CN113304533B - Printing ink waste water environmental protection processing system - Google Patents
Printing ink waste water environmental protection processing system Download PDFInfo
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- CN113304533B CN113304533B CN202110450668.6A CN202110450668A CN113304533B CN 113304533 B CN113304533 B CN 113304533B CN 202110450668 A CN202110450668 A CN 202110450668A CN 113304533 B CN113304533 B CN 113304533B
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- 239000002351 wastewater Substances 0.000 title claims abstract description 13
- 238000007639 printing Methods 0.000 title claims abstract description 7
- 238000012545 processing Methods 0.000 title claims description 23
- 230000007613 environmental effect Effects 0.000 title description 2
- 238000002347 injection Methods 0.000 claims abstract description 129
- 239000007924 injection Substances 0.000 claims abstract description 129
- 238000007790 scraping Methods 0.000 claims abstract description 115
- 239000010865 sewage Substances 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000005192 partition Methods 0.000 claims abstract description 35
- 238000002955 isolation Methods 0.000 claims abstract description 28
- 239000002245 particle Substances 0.000 claims abstract description 8
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 5
- 238000010992 reflux Methods 0.000 claims description 27
- 238000004140 cleaning Methods 0.000 claims description 16
- 238000004065 wastewater treatment Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 description 3
- 239000007943 implant Substances 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- 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
-
- 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
-
- 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
-
- 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
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/143—Filter condition indicators
- B01D35/1435—Filter condition indicators with alarm means
-
- 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
- B01D2029/033—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 bar screens
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses an environment-friendly treatment system for printing ink wastewater, and relates to the technical field of sewage treatment. In the present invention: a secondary treatment cavity is arranged at the downstream of the dirt treatment cavity, and a grating body is arranged in the secondary treatment cavity; a first partition plate is fixedly arranged between the sewage injection cavity and the dirt treatment cavity; a second partition plate is fixedly arranged between the dirt treatment cavity and the secondary treatment cavity; a first injection body positioned in the sewage injection cavity is arranged on one side of the first partition plate; an injection isolation net is arranged on an upstream pipeline of the first injection body; a middle position isolation plate is fixedly arranged in the dirt treatment cavity; a middle position channel is arranged on the middle position isolation plate; and a plurality of scraping clearance plates are rotatably arranged on the middle channel through a rotating shaft structure. A plurality of vertically arranged reverse impact water pipes are arranged on the other side of the middle isolation plate; the reverse impact water pipe is provided with a plurality of straight nozzle openings. The invention reduces large-particle dirt attached on the grid body and ensures the whole water circulation capacity of the grid body.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to an environment-friendly treatment system for printing ink wastewater.
Background
In the process of treating sewage such as printing ink wastewater, before the sewage completely enters chemical treatment, a grid is usually adopted to remove larger suspended matters, floating matters, large granular substances and other dirt substances in the wastewater so as to ensure the normal operation of a subsequent treatment unit and a water pump, reduce the treatment load of the subsequent treatment unit and prevent a sludge discharge pipeline from being blocked.
As mentioned above, the pre-filtering function of the grille is very important, but the grille body is easily subject to the reduction of the water flow through the grille after being adhered by a large amount of larger particles, and the large particles of dirt enter the grille body and are very inconvenient to clean.
Disclosure of Invention
The invention aims to provide an environment-friendly treatment system for printing ink wastewater, which reduces large-particle dirt attached to a grid body and ensures the whole water circulation capacity of the grid body.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an environment-friendly treatment system for ink wastewater.
The invention comprises a device part, which specifically comprises the following contents:
a dirt treatment cavity is arranged at the downstream of the sewage injection cavity, a secondary treatment cavity is arranged at the downstream of the dirt treatment cavity, and a grid body is arranged in the secondary treatment cavity; a first partition plate is fixedly arranged between the sewage injection cavity and the dirt treatment cavity; a second partition plate is fixedly arranged between the dirt treatment cavity and the secondary treatment cavity; a first injection body positioned in the sewage injection cavity is arranged on one side of the first partition plate; an injection isolation net is arranged on an upstream pipeline of the first injection body; the first injection body is provided with a first injection pump; the other side of the first partition plate is provided with a plurality of discharge pipes positioned in the dirt treatment cavity.
A middle position isolation plate is fixedly arranged in the dirt treatment cavity; a middle position channel is arranged on the middle position isolation plate; and a plurality of scraping clearance plates are rotatably arranged on the middle channel through a rotating shaft structure. A plurality of vertically arranged reverse impact water pipes are arranged on the other side of the middle isolation plate; the reverse impact water pipe is provided with a plurality of straight spray pipe orifices; one side of the second partition plate is provided with a second injection body positioned in the dirt treatment cavity; a second injection pump is arranged on the second injection body; the other side of the second partition plate is provided with a plurality of discharge pipes positioned in the secondary treatment cavity; the lower part of the dirt processing cavity is connected with a first reflux pump and a second reflux pump through pipelines.
The invention comprises a system part, which specifically comprises the following contents:
(1) The sewage in the sewage injection cavity enters the first injection body from the injection isolation net, the sewage entering the first injection body is pressurized by the first injection pump, and the sewage is discharged from the plurality of discharge pipes of the first injection body just opposite to the scraping clearance plate.
(2) The rivers impact to the clearance board of scraping of corresponding direction, and the clearance board of scraping of slope form is scraped the dirt in to rivers, and the sewage rivers after scraping flow through the meso position passageway, get into the opposite side of meso position division board, then is inhaled the second infusion pump.
(3) The second injection pump discharges the sucked sewage scraped by the scraping gap plate, a plurality of discharge pipes on the second partition plate are branched to uniformly discharge water to the grating body, and the grating body is used for separating fine substance particles.
(4) After a certain time, the amount of dirt scraped on the scraping gap plate begins to accumulate, the first injection body is disconnected from water inlet, the second injection body discharges a large amount of sewage in the dirt treatment cavity, and the residual sewage in the dirt treatment cavity is discharged from the first backflow pump or flows back to the sewage injection cavity through the second backflow pump.
(5) After the sewage in (4) is discharged, a plurality of straight jet nozzles on the reverse impact water pipe impact the cleaning water to the scraping gap plate, meanwhile, the scraping gap plates rotate up and down, and the water sprayed from the straight jet nozzles scour the side faces of the scraping gap plates at corresponding positions.
(6) Dirty water which is used for cleaning the scraping gap plate in the dirt processing cavity falls into the dirt processing cavity and is discharged into the corresponding collecting device through the first backflow pump and the second backflow pump.
As a preferred technical scheme of the system device of the invention:
an injection cavity is arranged in the first injection body; the first injection pump is communicated with the injection cavity of the first injection body; the injection isolation net is arranged on a water inlet pipe of the first injection pump; a plurality of discharge pipes on the first partition plate are communicated with the injection cavity on the first injection body; an injection cavity is arranged in the second injection body; the second injection pump is communicated with the injection cavity of the second injection body; and a plurality of discharge pipes on the second partition plate are communicated with the injection cavity on the second injection body.
As a preferred technical scheme of the system device of the invention:
one side of the middle position isolation plate is provided with a lifting connecting rod; the outer ends of the scraping gap plates are connected to the lifting connecting rod together through a rotating shaft structure; a connecting rod adjusting power device for driving the lifting connecting rod to move in a curve manner is arranged above the lifting connecting rod; the output end of the connecting rod adjusting power device is provided with a curve radial groove.
As a preferred technical scheme of the system device of the invention:
the opening direction of the discharge pipe on the first partition plate is right opposite to the upper side position of the scraping gap plate in the inclined working state.
As a preferred technical scheme of the system device of the invention:
the first reflux pump and the second reflux pump are at least provided with three-direction channel structures; a first main side valve is arranged on a pipeline connected with the first backflow pump and the dirt treatment cavity; the first reflux pump is provided with a pipeline connected with an external processing device, and the pipeline is provided with a first branch valve; a pipeline is communicated between the first reflux pump and the second reflux pump, and a middle position communication valve is arranged on the pipeline; a second main side valve is arranged on a pipeline connected with the second reflux pump and the dirt processing cavity; a pipeline is communicated between the second reflux pump and the sewage injection cavity, and a second branch valve is arranged on the pipeline.
As a preferred technical scheme of the system device of the invention:
channel valves are arranged on a plurality of straight spray pipe orifices of the reverse impact water pipe; a water injection device is connected above the plurality of vertically arranged reverse impact water pipes through pipelines; the plurality of scraping gap plates are arranged in parallel; the upper side surface of the scraping gap plate is provided with a rough scraping surface.
As a preferred technical scheme of the system device of the invention:
setting the inclination angle of the scraping clearance plate in the scraping working state as alpha which belongs to [30 degrees ] and 75 degrees ]; the opening direction of the straight nozzle on the reverse impact water pipe corresponds to the gaps among the scraping gap plates.
As a preferred technical scheme for the system control of the invention:
(1) The unit area of the rough scraping surface on the upper side of each scraping gap plate is provided with the maximum capacity delta W for bearing the scraped dirt, and the area of the rough scraping surface on the upper side of each scraping gap plate is provided with the S; the total amount of dirt borne on the scraping gap plate is Q W ，Q W ＝S·ΔW。
(2) The water flow per unit time of the sewage flowing through each scraping gap plate is set as Q S The amount of fouling contained in the average unit volume of the sewage is set to Q P The probability of scraping dirt and the scraping gap plate in the unit volume of sewage is P; the amount of dirt scraped by the scraping clearance plate in unit time is Q T ，Q T ＝Q S ·Q P ·P。
(3) The effective working time of the scraping gap plate is set as T,
as a preferred technical scheme for the system control of the invention:
the processing system is provided with a time monitoring unit and a prompt early warning unit, the time monitoring unit monitors the continuous working time of the scraping gap plate, and when the continuous working time of the scraping gap plate reaches T-delta T X Prompting the early warning unit to send out a full load warning signal, wherein Δ T X And reserving preparation time for pre-regulating and controlling time, discovering the full load condition for an operator and controlling equipment.
As a preferred technical scheme for the system control of the invention:
when the scraping gap plate is cleaned, the cleaning time of the scraping gap plate is T when the straight spray pipe mouth of the reverse impact water pipe is arranged q Then T is present q ∝t c Wherein t is c The length of time that the gap plate lasts work for scraping.
The invention has the following beneficial effects:
1. according to the invention, before the ink wastewater is subjected to biochemical treatment, the ink wastewater is physically filtered in advance, the dirt treatment cavity is arranged at the upstream of the grating body, and larger dirt in the wastewater flowing through the dirt treatment cavity is scraped, so that large-particle dirt attached to the grating body is reduced, and the whole water circulation capacity of the grating body is ensured;
2. according to the invention, the front and back closed dirt treatment cavities are designed, so that the scraping gap plate is correspondingly and efficiently cleaned, the scraping effect of the scraping gap plate is ensured, and the high efficiency of water circulation of the grating body is realized.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an overall schematic view of the wastewater treatment scraping and related structures of the present invention;
FIG. 2 is a schematic view of the structure of the scraping gap plate of the present invention;
FIG. 3 is a schematic view of a reverse draft tube (front view) of the present invention;
FIG. 4 is a schematic view of the scraping gap plate of the present invention rotating up and down during cleaning;
FIG. 5 is a schematic diagram showing the relationship between the cleaning time and the duration of the scraping gap plate;
in the drawings, the components represented by the respective reference numerals are listed below:
1-sewage injection cavity; 2-a dirt treatment chamber; 3-a secondary treatment cavity; 4-a first partition panel; 5-a second partition panel; 6-a first implant; 7-an injection cavity; 8-a first injection pump; 9-injecting an isolation net; 10-a discharge pipe; 11-median barrier; 12-a median channel; 13-scraping gap plate, 1301-rough scraping surface; 14-a lifting link; 15-link adjusting power device; 16-reverse impact water pipe, 1601-straight jet nozzle; 17-a water injection device; 18-a second implant; 19-a second infusion pump; 20-a grid body; 21-a first reflux pump; 22-a second reflux pump; 23-a first primary side valve; 24-a first branch valve; 25-a median communicating valve; 26-a second main side valve; 27-second branch valve.
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.
Example one
In the sewage treatment apparatus section of the present invention:
(1) A dirt treatment cavity 2 is arranged at the downstream of the sewage injection cavity 71, a secondary treatment cavity 3 is arranged at the downstream of the dirt treatment cavity 2, and a grid body 20 is arranged in the secondary treatment cavity 3; a first partition plate 4 is fixedly arranged between the sewage injection cavity 71 and the dirt treatment cavity 2; a second partition plate 5 is fixedly arranged between the dirt processing cavity 2 and the secondary processing cavity 3.
(2) A first injection body 6 positioned in the sewage injection cavity 71 is arranged at one side of the first partition plate 4; an injection isolation net 9 is arranged on an upstream pipeline of the first injection body 6; a first injection pump 8 is arranged on the first injection body 6; the other side of the first partition plate 4 is provided with a plurality of discharge pipes 10 positioned in the dirt processing cavity 2;
wherein, an injection cavity 7 is arranged in the first injection body 6; the first injection pump 8 is communicated with the injection cavity 7 of the first injection body 6; the injection isolation net 9 is arranged on the water inlet pipe of the first injection pump 8; the discharge pipes of the first partition plate 4 communicate with the injection chamber 7 of the first injection body 6.
(3) A middle position isolation plate 11 is fixedly arranged in the dirt processing cavity 2; a middle channel 12 is arranged on the middle isolation plate 11; a plurality of scraping gap plates 13 are rotatably mounted on the middle channel 12 through a rotating shaft structure, the scraping gap plates 13 are arranged in parallel, a rough scraping surface 1301 is arranged on the upper side surface of each scraping gap plate 13, and the inclination angle of each scraping gap plate 13 in a scraping working state is [30 degrees ] and [ 75 degrees ]; a plurality of vertically arranged reverse impact water pipes 16 are arranged on the other side of the middle isolation plate 11; the reverse impact water pipe 16 is provided with a plurality of straight nozzle ports 1601.
Wherein, a plurality of straight nozzle ports 1601 of the reverse impact water pipe 16 are provided with channel valves, and the opening direction of the straight nozzle ports 1601 on the reverse impact water pipe 16 corresponds to the gaps among the plurality of scraping gap plates 13; a water injection device 17 is connected above the plurality of vertically arranged reverse impact water pipes 16 through pipelines.
Wherein, one side of the middle isolation plate 11 is provided with a lifting connecting rod 14; the outer ends of the scraping gap plates 13 are connected to the lifting connecting rod 14 through a rotating shaft structure; a connecting rod adjusting power device 15 for driving the lifting connecting rod 14 to do curvilinear motion is arranged above the lifting connecting rod 14; the output end of the connecting rod adjusting power device 15 is provided with a curve radial groove.
Wherein the opening direction of the discharge pipe 10 on the first partition plate 4 is opposite to the upper side position of the scraping gap plate 13 in the inclined working state
(4) One side of the second partition plate 5 is provided with a second injection body 18 positioned in the dirt treatment cavity 2; a second injection pump 19 is arranged on the second injection body 18; the other side of the second partition plate 5 is provided with a plurality of discharge pipes 10 positioned in the secondary treatment cavity 3; a first reflux pump 21 and a second reflux pump 22 are connected below the dirt treatment cavity 2 through pipelines;
wherein, the second injection body 18 is internally provided with an injection cavity 7; the second injection pump 19 is communicated with the injection cavity 7 of the second injection body 18; the plurality of discharge pipes 10 of the second partition plate 5 are communicated with the injection chamber 7 of the second injection body 18.
Example two
In the sewage treatment system section of the present invention:
(1) Sewage in the sewage injection cavity 71 enters the first injection body from the injection isolation net 9, the sewage entering the first injection body 6 is pressurized by the first injection pump 8, and the sewage is discharged from the plurality of discharge pipes 10 of the first injection body 6 opposite to the scraping gap plates 13;
(2) The water flow in the corresponding direction impacts the scraping gap plate 13, the inclined scraping gap plate 13 scrapes dirt in the water flow, and the scraped sewage water flow flows through the middle channel 12, enters the other side of the middle isolation plate 11 and is sucked into the second injection pump 19;
(3) The second injection pump 19 discharges the sucked sewage scraped by the scraping gap plate 13, a plurality of discharge pipes on the second partition plate 5 are branched to uniformly discharge water to the grating body 20, and the grating body 20 separates fine substance particles;
(4) After a certain time, the amount of dirt scraped on the scraping gap plate 13 begins to accumulate, the first injection body 6 is cut off from water inlet, the second injection body 18 discharges a large amount of sewage in the dirt treatment cavity 2, and the residual sewage in the dirt treatment cavity 2 is discharged from the first reflux pump 21 or the second reflux pump 22 returns to the sewage injection cavity 71;
(5) After the sewage in the step (4) is discharged, the plurality of straight nozzle ports 1601 on the reverse impact water pipe 16 impact cleaning water to the scraping gap plates 13, meanwhile, the plurality of scraping gap plates 13 rotate up and down, and the water sprayed by the straight nozzle ports 1601 washes the upper side surfaces of the scraping gap plates 13 at the corresponding positions;
(6) Turbid water cleaned by the scraping gap plates 13 in the dirt processing cavity 2 falls into the dirt processing cavity 2 and is discharged into the corresponding collecting devices by the first reflux pump 21 and the second reflux pump 22.
EXAMPLE III
In the system control of the invention:
(1) The unit area of the rough scraping surface on the upper side of the scraping gap plate 13 is set to bear the maximum scraping dirt capacity delta W, and the area of the rough scraping surface on the upper side of each scraping gap plate 13 is set to S; the total amount of dirt that can be carried on the scraping gap plate 13 is Q W ，Q W ＝S·ΔW。
(2) The water flow per unit time of the sewage flowing through each scraping gap plate 13 is set to be Q S The amount of fouling contained in the average unit volume of the sewage is set to Q P The probability of scraping dirt and the scraping gap plate 13 in the unit volume of sewage is P; the amount of dirt scraped by the scraping clearance plate 13 per unit time is Q T ，Q T ＝Q S ·Q P ·P。
(3) The effective working time of the scraping gap plate 13 is set as T,
wherein, the processing system is provided with a time monitoring unit and a prompt early warning unit, the time monitoring unit monitors the continuous working time of the scraping gap plate 13, and when the continuous working time of the scraping gap plate 13 reaches T-delta T X Prompting the early warning unit to send out a full load warning signal, wherein Δ T X And reserving preparation time for pre-regulating and controlling time, discovering the full load condition for an operator and carrying out equipment regulation and control.
Example four
When the scraping gap plate 13 is cleaned, the straight spraying pipe port 1601 with the reverse impact water pipe 16 is used for cleaning the scraping gap plate 13 for a time length T q Then T is present q ∝t c Wherein t is c For the duration of the operation of the scraping gap plate 13.
For example, when the operation duration of the scratch gap plate 13 is 5 hours, the cleaning time is 10 minutes when the scratch gap plate 13 is cleaned. Generally, the longer the duration of the operation of the scraping gap plate 13, the longer the time required for cleaning the scraping gap plate 13, but the longer the cleaning time is, the longer the duration of the cleaning time is, for example, fig. 5 shows a relationship between the cleaning time and the duration of the operation of the scraping gap plate 13.
EXAMPLE five
In the present invention, a plurality of parallel dirt treatment chambers 2 and secondary treatment chambers 3 may be provided downstream of the same sewage injection chamber 1. The intermittent operation of scraping the gap plate 13 and the grating body 20 can be used for uninterrupted wastewater treatment.
In the description herein, references to "an embodiment" or the like are intended to mean that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The environment-friendly treatment system for the printing ink wastewater is characterized in that:
the device structure on which the processing system is based includes the following:
the sewage treatment device comprises a sewage injection cavity (1), wherein a dirt treatment cavity (2) is arranged at the downstream of the sewage injection cavity (1), a secondary treatment cavity (3) is arranged at the downstream of the dirt treatment cavity (2), and a grid body (20) is arranged in the secondary treatment cavity (3);
a first partition plate (4) is fixedly arranged between the sewage injection cavity (1) and the dirt treatment cavity (2);
a second partition plate (5) is fixedly arranged between the dirt treatment cavity (2) and the secondary treatment cavity (3);
a first injection body (6) positioned in the sewage injection cavity (1) is arranged on one side of the first partition plate (4);
an injection isolation net (9) is arranged on an upstream pipeline of the first injection body (6);
a first injection pump (8) is arranged on the first injection body (6);
the other side of the first partition plate (4) is provided with a plurality of discharge pipes (10) positioned in the dirt processing cavity (2);
a middle position isolation plate (11) is fixedly arranged in the dirt processing cavity (2);
a middle channel (12) is formed in the middle isolation plate (11);
a plurality of scraping gap plates (13) are rotatably arranged on the middle channel (12) through a rotating shaft structure, and a rough scraping surface (1301) is arranged on the upper side of each scraping gap plate (13);
a plurality of vertically arranged reverse impact water pipes (16) are arranged on the other side of the middle isolation plate (11);
a plurality of straight spray nozzles (1601) are arranged on the reverse impact water pipe (16);
a second injection body (18) positioned in the dirt treatment cavity (2) is arranged on one side of the second partition plate (5);
a second injection pump (19) is arranged on the second injection body (18);
a plurality of discharge pipes (10) positioned in the secondary treatment cavity (3) are arranged on the other side of the second partition plate (5);
a first reflux pump (21) and a second reflux pump (22) are connected below the dirt treatment cavity (2) through pipelines;
the system part comprises the following contents:
(1) Sewage in the sewage injection cavity (1) enters a first injection body from an injection isolation net (9), the sewage entering the first injection body (6) is pressurized by a first injection pump (8), and the sewage is discharged from a plurality of discharge pipes (10) of the first injection body (6) opposite to a scraping gap plate (13);
(2) The water flow in the corresponding direction impacts the scraping gap plate (13), the inclined scraping gap plate (13) scrapes dirt in the water flow, and the scraped sewage flow flows through the middle channel (12), enters the other side of the middle isolation plate (11) and is sucked into the second injection pump (19);
(3) The second injection pump (19) discharges the sucked sewage scraped by the scraping gap plate (13), a plurality of discharge pipes on the second partition plate (5) are branched to uniformly discharge water to the grating body (20), and the grating body (20) blocks fine substance particles;
(4) After a certain time, the amount of dirt scraped on the scraping gap plate (13) begins to accumulate, water is cut off from the first injection body (6), the second injection body (18) discharges a large amount of sewage in the dirt treatment cavity (2), and the residual sewage in the dirt treatment cavity (2) is discharged from the first reflux pump (21) or the second reflux pump (22) flows back to the sewage injection cavity (1);
(5) After the sewage in the step (4) is discharged, a plurality of straight spray pipe ports (1601) on the reverse impact water pipe (16) impact cleaning water to the scraping gap plates (13), meanwhile, the scraping gap plates (13) rotate up and down, and the water spray of the straight spray pipe ports (1601) scours the upper side surfaces of the scraping gap plates (13) at corresponding positions;
wherein, the maximum capacity of the unit area of the rough scraping surface (1301) at the upper side of the scraping clearance plate (13) for bearing the scraped dirt is delta W, the area of the rough scraping surface at the upper side of each scraping clearance plate (13) is S, and the total dirt amount borne by the scraping clearance plate (13) is Q W ，Q W = S · Δ W; the water flow per unit time of the sewage flowing through each scraping gap plate (13) is set as Q S The amount of fouling contained in the average unit volume of the sewage is set to Q P The probability of scraping dirt and the scraping gap plate (13) in unit volume of sewage is P, and the dirt amount scraped by the scraping gap plate (13) in unit time is Q T ，Q T ＝Q S ·Q P P; the effective working time of the scraping gap plate (13) is set as T,
(6) Turbid water for cleaning the scraping gap plates (13) in the dirt processing cavity (2) falls into the dirt processing cavity (2) and is discharged into the corresponding collecting device by the first reflux pump (21) and the second reflux pump (22).
2. The environment-friendly ink wastewater treatment system according to claim 1, characterized in that:
an injection cavity (7) is arranged in the first injection body (6);
the first injection pump (8) is communicated with the injection cavity (7) of the first injection body (6);
the injection isolation net (9) is arranged on a water inlet pipe of the first injection pump (8);
a plurality of discharge pipes on the first partition plate (4) are communicated with an injection cavity (7) on the first injection body (6);
an injection cavity (7) is arranged in the second injection body (18);
the second injection pump (19) is communicated with the injection cavity (7) of the second injection body (18);
a plurality of discharge pipes (10) on the second partition plate (5) are communicated with the injection cavity (7) on the second injection body (18).
3. The environment-friendly ink wastewater treatment system according to claim 1, characterized in that:
a lifting connecting rod (14) is arranged on one side of the middle isolation plate (11);
the outer ends of the scraping gap plates (13) are connected to a lifting connecting rod (14) through a rotating shaft structure;
a connecting rod adjusting power device (15) for driving the lifting connecting rod (14) to do curvilinear motion is arranged above the lifting connecting rod (14);
and the output end of the connecting rod adjusting power device (15) is provided with a curve radial groove.
4. The environment-friendly ink wastewater treatment system according to claim 1, characterized in that:
the opening direction of the discharge pipe (10) on the first partition plate (4) is just opposite to the upper side position of the scraping clearance plate (13) in the inclined working state.
5. The environment-friendly ink wastewater treatment system according to claim 1, characterized in that:
the first reflux pump (21) and the second reflux pump (22) are at least provided with three-direction channel structures;
a first main side valve (23) is arranged on a pipeline connected with the first backflow pump (21) and the dirt treatment cavity (2);
a pipeline connected with an external processing device is arranged on the first backflow pump (21), and a first branch valve (24) is arranged on the pipeline;
a pipeline is communicated between the first reflux pump (21) and the second reflux pump (22), and a middle communication valve (25) is arranged on the pipeline;
a second main side valve (26) is arranged on a pipeline connected with the second return pump (22) and the dirt processing cavity (2);
a pipeline is communicated between the second return pump (22) and the sewage injection cavity (1), and a second branch valve (27) is arranged on the pipeline.
6. The environment-friendly ink wastewater treatment system according to claim 1, characterized in that:
a plurality of straight nozzle openings (1601) of the reverse impact water pipe (16) are provided with channel valves;
a water injection device (17) is connected above the plurality of vertically arranged reverse impact water pipes (16) through a pipeline;
the scraping gap plates (13) are arranged in parallel.
7. The environment-friendly ink wastewater treatment system according to claim 6, characterized in that:
setting the inclination angle of the scraping clearance plate (13) in a scraping working state as alpha which belongs to [30 degrees, 75 degrees ];
the opening direction of a straight nozzle (1601) on the reverse impact water pipe (16) corresponds to the gaps among the plurality of scraping gap plates (13).
8. The environment-friendly treatment system for the ink wastewater as recited in claim 1, wherein:
the processing system is provided with a time monitoring unit and a prompt early warning unit, the time monitoring unit monitors the continuous working time of the scraping gap plate (13), and when the continuous working time of the scraping gap plate (13) reaches T-delta T X Prompting the early warning unit to send out a full load warning signal, wherein Δ T X The time is pre-adjusted.
9. The environment-friendly ink wastewater treatment system according to claim 1, characterized in that:
when the scraping gap plate (13) is in a cleaning state, the cleaning time of the straight spray pipe port (1601) with the reverse impact water pipe (16) on the scraping gap plate (13) is T q ；
Then there is T q ∝t c Wherein t is c The duration of the continuous work of the scraping gap plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110450668.6A CN113304533B (en) | 2021-04-26 | 2021-04-26 | Printing ink waste water environmental protection processing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110450668.6A CN113304533B (en) | 2021-04-26 | 2021-04-26 | Printing ink waste water environmental protection processing system |
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| CN113304533B true CN113304533B (en) | 2022-11-04 |
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| CN208193759U (en) * | 2018-04-04 | 2018-12-07 | 扬州市职业大学 | A kind of inclined-plate clarifying basin |
| CN110559697A (en) * | 2019-09-03 | 2019-12-13 | 国家电投集团远达水务有限公司 | High-density sedimentation tank |
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