CN108996607A - A kind of coal chemical wastewater treating technique - Google Patents
A kind of coal chemical wastewater treating technique Download PDFInfo
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- CN108996607A CN108996607A CN201810956396.5A CN201810956396A CN108996607A CN 108996607 A CN108996607 A CN 108996607A CN 201810956396 A CN201810956396 A CN 201810956396A CN 108996607 A CN108996607 A CN 108996607A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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Abstract
The invention belongs to technical field of waste water processing, specifically a kind of coal chemical wastewater treating technique, the technique uses oily-water seperating equipment, which includes cylinder, water inlet pipe, outlet pipe, flowline and detach module；Motor is mounted at the top of cylinder, and motor output shaft end is fixedly connected with rotating block；Rotating block is equipped with the square slot through rotating block top and bottom, and rotating block is rotatably installed in fixed disk, and fixed disk is fixedly connected with cylinder inboard wall, and fixed pan bottom is fixedly connected with one group of pipette；Pipette upper end is equipped with check valve, is fixedly connected with one group of exhaust tube at the top of fixed disk；Exhaust tube generates negative pressure for making in square slot；Negative pressure is generated in square slot, and then is sucked the oil liquid of wastewater surface in square slot by pipette, then carry out concentration discharge.The present invention by using suction mode, can be avoided waste water shake generate wave and caused by the more waste water of mixing in oil liquid, improve the precision of oil liquid separation.
Description
Technical field
The invention belongs to technical field of waste water processing, specifically a kind of coal chemical wastewater treating technique.
Background technique
Coal chemical industry is so that it is converted into various fuel and chemistry through a series of chemistry and chemical engineering process using the coal of exploitation as raw material
The integrated industrial process of product.As one of traditional industries, high energy consumption, maximum discharge, the inefficient feature of coal chemical industry are restrict always
The development of the sector.Although the introducing of novel green coal chemical technology makes moderate progress to pollution situation in recent years, coal chemical industry
Industry still can not effectively solve the serious pollution of environment.Wherein, the most serious with discharge of wastewater effect on environment.Coal chemical industry
Waste water is a kind of organic industrial sewage of typical difficult for biological degradation, contains a large amount of suspended matter, toxic organics and again
Metal etc..Oil content can excessively form oil film on the water surface in waste water, hinder oxygen dissolution, cause anoxic microbial in water.
In addition oily substance is readily adsorbed in zoogloea surface, hinders zoogloea to obtain oxygen from water, seriously affects biochemical effects, because
The effect of this oil removing directly determines the success or failure of coal chemical industrial waste water biochemical treatment.
Oils mainly includes heavy oil, light oil, dispersed oil and emulsion etc. in waste water.By primary gravity oil removal process with
Afterwards, most of heavy oil is separated.Remaining is mostly oil emulsion, including Water-In-Oil, oil-in-water, multiple emulsus oil.Coalification at present
The main oil removing of work is common the techniques such as gravity oil removal, oil removal by air bubbling, absorption oil removing.
Also occur the technical solution of some coal chemical industrial waste waters processing in the prior art, such as application No. is
A Chinese patent of 201721145395X discloses a kind of coal chemical industrial waste water processing unit, including stirring mud chamber and oil liquid
Separation chamber stirs and is equipped with lateral stirring shaft in mud chamber, is connected with stirring blade, one end of stirring shaft on stirring shaft
It is connected with stirring motor, the top inside mud chamber is stirred and is equipped with perfusion tube, be connected with several spray heads below perfusion tube, stir
It mixes the top outside mud chamber and is equipped with liquid reserve tank, perfusion tube connects liquid reserve tank, and the top of the inside of oil liquid separation chamber is equipped with one
Fishplate bar, is connected with a lateral piston rod in the vertical direction of gusset piece, and one end of piston rod is connected with cylinder, under gusset piece
Side is connected with scraper plate, and the end of piston rod stroke is equipped with a baffle, and the lower end of baffle is connected in oil liquid separation chamber, the height of baffle
It spends consistent with the height of scraper plate.
The oil removing process can be realized being automatically separated for oil liquid, but the technique is when oil liquid separates, using the side of scraper plate
Formula carries out oil liquid separation, and scraper plate will cause liquid level and generate wave when scraping off the oil liquid on waste water surface layer, causes extra waste water mixed
It closes oil liquid to separate together, so that containing a large amount of waste water in isolated oil liquid, separation accuracy is lower.
Summary of the invention
In order to make up for the deficiencies of the prior art, a kind of coal chemical wastewater treating technique proposed by the present invention, the technique use
Oily-water seperating equipment, the oily-water seperating equipment rotate by setting rotating block, rotating block and pass through pipette for wastewater surface
Oil liquid sucks in square slot；Oil liquid in square slot realizes the separation of oil liquid, by adopting along the flowline discharge of connection groove end
With the mode of suction, can be avoided waste water shake generate wave and caused by the more waste water of mixing in oil liquid, improve oil liquid point
From precision.
The technical solution adopted by the present invention to solve the technical problems is: a kind of coal chemical industrial waste water processing of the present invention
Technique, the technique the following steps are included:
Step 1: coal chemical industrial waste water is passed through oily-water seperating equipment；
Step 2: the coal chemical industrial waste water after step 1 oil removing is passed through adsorption tank, has added adsorption material in the adsorption tank
Material；
Step 3: by step 2, treated that coal chemical industrial waste water is passed through clarifying basin precipitates；
Step 4: by step 3 clarifying basin, treated that coal chemical industrial waste water is successively passed through anaerobic pond, anoxic pond and aerobic tank；
Step 5: by step 4, treated that coal chemical industrial waste water is passed through that sedimentation basin carries out precipitation process；
Wherein, the oily-water seperating equipment includes cylinder, water inlet pipe, outlet pipe, flowline and detaches module, the cylinder
Body side is equipped with water inlet pipe and outlet pipe；The water inlet pipe is located above outlet pipe；The cylinder other side is equipped with flowline, institute
It states flowline and is connected with module is detached, the module that detaches is mounted on above inner barrel, and described to detach module useless for detaching
Water surface oil liquid；The module that detaches includes motor, rotating block, fixed disk, pipette and exhaust tube；The motor is mounted on cylinder
At the top of body, the motor output shaft end is fixedly connected with rotating block；The rotating block is equipped with the square through rotating block top and bottom
Slot, the rotating block are rotatably installed in fixed disk, and the fixed disk is fixedly connected with cylinder inboard wall, and the fixed pan bottom is solid
Surely one group of pipette is connected；The pipette upper end is equipped with check valve, is fixedly connected with one group of exhaust tube at the top of the fixed disk；Institute
It states exhaust tube and generates negative pressure in square slot for making；Negative pressure is generated in square slot, and then passes through pipette for the oil of wastewater surface
Liquid sucks in square slot, then carries out concentration discharge.
Guide post is installed in the exhaust tube basal sliding, is equipped with venthole, the venthole outer ring inside the guide post
It is sleeved and fixed ring, the fixed ring is fixedly connected with pumping inside pipe wall, and mounting plate, the mounting plate are equipped at the top of the rotating block
On be fixedly connected with ventilation head, the ventilation head keeps guide post mobile for squeezing guide post；Rotating block intermittent rotary, ventilation
When head is turned at venthole, ventilation head squeezes and pushes guide post mobile, is connected to exhaust tube and square slot by venthole, from
And oil liquid is pumped into square slot；
Fixed disk upper surface side is equipped with connectivity slot, and the connectivity slot counterparty type groove is arranged, outside the fixed disk
Circle is equipped with the flowline for connecting slot.In use, motor control rotating block intermittent rotary, turns at venthole in ventilation head
When, ventilation head squeezes and pushes guide post mobile, and exhaust tube and square slot are connected to by venthole, generate negative pressure in square slot,
And then the oil liquid of wastewater surface is sucked in square slot by pipette；When rotating block rotates at connectivity slot, in square slot
Oil liquid along connection groove end flowline discharge, realize the separation of oil liquid, by using the mode of suction, can be avoided waste water
Shake generate wave and caused by the more waste water of mixing in oil liquid, improve the precision of oil liquid separation.
Preferably, it is fixedly connected with cam in the middle part of the motor output shaft, the first air bag is set on the exhaust tube；Cam turns
It employs in squeezing the first air bag.The first air bag of cam extrusion deforms the first air bag, after cam is detached from the first air bag, first
Air bag replys and passes through exhaust tube and is evacuated into square slot, so that oil liquid is pumped into square slot；It is realized and is taken out by the first air bag
The effect of sucking pump has saved energy consumption, while having reduced equipment volume.
Preferably, the cylinder body bottom is equipped with air bearing pipe, and the air bearing pipe is connected with the first air bag.Air bearing pipe generates small
Bubble is attached to some tiny suspension oil droplets and solid particle in water on bubble, floats to the water surface with bubble and formed
Dross achievees the purpose that be sufficiently separated waste water inner fluid, increases the separative efficiency of oil liquid.
Preferably, the pipette is hose, and the pipette outer ring is equipped with intercommunicating pore, and the pipette lower end is equipped with floating
Block, the floating block inside are equipped with cavity.For different waste water, by presetting the size of floating block internal cavities so that floating block by
Different buoyancy, to realize that floating block rests on oil liquid and waste water intersection, cooperation pipette detaches oil liquid, can keep away
Exempt to detach extra waste water together when aspirating oil liquid, that improves oil liquid detaches efficiency.
Preferably, the floating block two sides are equipped with the baffle being fixedly connected below fixed disk, and two neighboring plate washer dislocation is set
It sets.Reduce waste water by baffle and be vibrated the wave size of generation, can be avoided waste water shake generate wave and caused by oil
The more waste water of mixing in liquid, to improve the precision of oil liquid separation.
Preferably, square slot one end is equipped with circular arc, is fixedly connected with gas-guide tube in the connectivity slot, on the gas-guide tube
Equipped with control valve, the gas-guide tube and circular arc are tangent, and the gas-guide tube is connected with gas storage air bag, the gas storage air bag and the first gas
Capsule is connected.The air-flow for squeezing the generation of the first air bag, is oriented to by gas-guide tube and through circular arc, pushes oil liquid to flow to flowline, mentions
The separative efficiency of high oil liquid.
Beneficial effects of the present invention are as follows:
1. a kind of coal chemical wastewater treating technique of the invention, which uses oily-water seperating equipment, water-oil separating dress
It sets by the way that rotating block is arranged, rotating block rotates and passes through pipette will be in the oil liquid sucking square slot of wastewater surface；In square slot
Oil liquid along connection groove end flowline discharge, realize the separation of oil liquid, by using the mode of suction, can be avoided waste water
Shake generate wave and caused by the more waste water of mixing in oil liquid, improve the precision of oil liquid separation.
2. a kind of coal chemical wastewater treating technique of the invention, which uses oily-water seperating equipment, water-oil separating dress
It sets by the way that the first air bag is arranged, exhaust tube is connected with the first air bag, and the first air bag of cam extrusion deforms the first air bag, convex
After wheel is detached from the first air bag, the first air bag replys and passes through exhaust tube and is evacuated into square slot, so that oil liquid is pumped into square slot
It is interior；The effect that suction pump is realized by the first air bag, has saved energy consumption, while reducing equipment volume.
3. a kind of coal chemical wastewater treating technique of the invention, which uses oily-water seperating equipment, water-oil separating dress
Set by the way that floating block is arranged in pipette lower end, for different waste water, by presetting the size of floating block internal cavities so that floating block by
To different buoyancy, to realize that floating block rests on oil liquid and waste water intersection, cooperation pipette detaches oil liquid；Simultaneously
Baffle is set in floating block two sides, baffle reduces the wave size that waste water is vibrated generation, can be avoided waste water and shakes generation wave
Wave and caused by the more waste water of mixing in oil liquid, to improve the precision of oil liquid separation.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is process flow chart of the invention；
Fig. 2 is the main view of oily-water seperating equipment of the present invention；
Fig. 3 is A-A cross-sectional view in Fig. 2；
Fig. 4 is ventilation head and guide post connection status figure of the invention；
In figure: cylinder 1, outlet pipe 12, flowline 13, detaches module 2, motor 21, rotating block 22, square at water inlet pipe 11
Slot 221, fixed disk 23, pipette 24, exhaust tube 25, guide post 3, venthole 31, fixed ring 32, mounting plate 33, ventilation head 34,
Connectivity slot 4, gas-guide tube 41, cam 5, the first air bag 51, air bearing pipe 6, floating block 7, baffle 71, circular arc 8, gas storage air bag 9.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figures 1 to 4, a kind of coal chemical wastewater treating technique of the present invention, the technique the following steps are included:
Step 1: coal chemical industrial waste water is passed through oily-water seperating equipment；
Step 2: the coal chemical industrial waste water after step 1 oil removing is passed through adsorption tank, has added adsorption material in the adsorption tank
Material；
Step 3: by step 2, treated that coal chemical industrial waste water is passed through clarifying basin precipitates；
Step 4: by step 3 clarifying basin, treated that coal chemical industrial waste water is successively passed through anaerobic pond, anoxic pond and aerobic tank；
Step 5: by step 4, treated that coal chemical industrial waste water is passed through that sedimentation basin carries out precipitation process；
Wherein, the oily-water seperating equipment includes cylinder 1, water inlet pipe 11, outlet pipe 12, flowline 13 and detaches module
2,1 side of cylinder is equipped with water inlet pipe 11 and outlet pipe 12；The water inlet pipe 12 is located at 11 top of outlet pipe；The cylinder 1
The other side is equipped with flowline 13, and the flowline 13 is connected with module 2 is detached, and the module 2 that detaches is mounted on 1 inside of cylinder
Side, the module 2 that detaches is for detaching wastewater surface oil liquid；The module 2 that detaches includes motor 21, rotating block 22, fixed disk
23, pipette 24 and exhaust tube 25；The motor 21 is mounted on 1 top of cylinder, and the 21 output shaft end of motor is fixedly connected
Rotating block 22；The rotating block 22 is equipped with the square slot 221 through 22 top and bottom of rotating block, and the rotating block 22 is rotatably installed in
In fixed disk 23, the fixed disk 23 is fixedly connected with 1 inner wall of cylinder, and 23 bottom of fixed disk is fixedly connected with one group of pipette
24；24 upper end of pipette is equipped with check valve, is fixedly connected with one group of exhaust tube 25 at the top of the fixed disk 23；The exhaust tube
25 generate negative pressure for making in square slot 221；Negative pressure is generated in square slot 221, and then passes through pipette 24 for wastewater surface
Oil liquid sucks in square slot 221, then carries out concentration discharge.
Guide post 3 is installed in 25 basal sliding of exhaust tube, is equipped with venthole 31, the ventilation inside the guide post 3
31 outer ring of hole is sleeved and fixed ring 32, and the fixed ring 32 is fixedly connected with 25 inner wall of exhaust tube, is equipped at the top of the rotating block 22
Mounting plate 33 is fixedly connected with ventilation head 34 on the mounting plate 33, and the ventilation head 34 is used to squeeze guide post 3, and makes to be oriented to
Column 3 is mobile；22 intermittent rotary of rotating block, when ventilation head 34 is turned at venthole 31, ventilation head 34 squeezes and pushes guide post 3
It is mobile, exhaust tube 25 and square slot 221 are connected to by venthole 31, so that oil liquid is pumped into square slot 221；
The 23 upper surface side of fixed disk is equipped with connectivity slot 4, and 4 counterparty's type groove 221 of connectivity slot setting is described solid
23 outer ring of price fixing is equipped with the flowline 13 for connecting slot 4.In use, motor 21 controls 22 intermittent rotary of rotating block, ventilating
First 34 when turning at venthole 31, and ventilation head 34, which squeezes, simultaneously pushes guide post 3 mobile, passes through venthole 31 and is connected to exhaust tube 25
With square slot 221, square slot 221 is interior to generate negative pressure, and then the oil liquid of wastewater surface is sucked square slot 221 by pipette 24
It is interior；When rotating block 22 rotates at connectivity slot 4, flowline 13 of the oil liquid along 4 end of connectivity slot in square slot 221 is discharged,
The separation for realizing oil liquid, by using the mode of suction, can be avoided waste water shake generate wave and caused by mixing in oil liquid
More waste water improves the precision of oil liquid separation.
As one embodiment of the present invention, cam 5, the exhaust tube are fixedly connected in the middle part of 21 output shaft of motor
First air bag 51 is set on 25；The rotation of cam 5 is for squeezing the first air bag 51.Cam 5 squeezes the first air bag 51 and makes the first gas
Capsule 51 deforms, and after cam 5 is detached from the first air bag 51, the first air bag 51 is replied and taken out by exhaust tube 25 into square slot 221
Gas, so that oil liquid is pumped into square slot 221；The effect that suction pump is realized by the first air bag 51, has saved energy consumption, together
When reduce equipment volume.
As one embodiment of the present invention, 1 bottom of cylinder is equipped with air bearing pipe 6, the air bearing pipe 6 and the first gas
Capsule 51 is connected.Air bearing pipe 6 generates micro-bubble, is attached to some tiny suspension oil droplets and solid particle in water on bubble,
The water surface is floated to bubble and forms dross, is achieved the purpose that be sufficiently separated waste water inner fluid, is increased the separative efficiency of oil liquid.
As one embodiment of the present invention, the pipette 24 is hose, and 24 outer ring of pipette is equipped with connection
Hole, 24 lower end of pipette are equipped with floating block 7, are equipped with cavity inside the floating block 7.For different waste water, by presetting floating block 7
The size of internal cavities, so that floating block 7 by different buoyancy, to realize that floating block 7 rests on oil liquid and waste water intersection, is matched
It closes pipette 24 to detach oil liquid, can be avoided and detach extra waste water together when aspirating oil liquid, improve oil liquid
Detach efficiency.
As one embodiment of the present invention, 7 two sides of floating block are equipped with the gear for being fixedly connected on 23 lower section of fixed disk
Plate 71, two neighboring plate washer 71 shift to install.Reduce the wave size that waste water is vibrated generation by baffle 71, can be avoided
Waste water shake generate wave and caused by the more waste water of mixing in oil liquid, to improve the precision of oil liquid separation.
As one embodiment of the present invention, described 221 one end of square slot is equipped with circular arc 8, fixes in the connectivity slot 4
Connect gas-guide tube 41, the gas-guide tube 41 is equipped with control valve, and the gas-guide tube 41 and circular arc 8 are tangent, the gas-guide tube 41 and
Gas storage air bag 9 is connected, and the gas storage air bag 9 is connected with the first air bag 51.The air-flow for squeezing the generation of the first air bag 51, passes through air guide
Pipe 41 is simultaneously oriented to through circular arc 8, is pushed oil liquid to flow to flowline 13, is improved the separative efficiency of oil liquid.
In use, motor 21 controls 22 intermittent rotary of rotating block, and when head 34 of ventilating turns at venthole 31, head of ventilating
34 squeeze and push guide post 3 mobile, are connected to exhaust tube 25 and square slot 221 by venthole 31, generate in square slot 221 negative
Pressure, and then sucked the oil liquid of wastewater surface in square slot 221 by pipette 24；When rotating block 22 rotates at connectivity slot 4
When, flowline 13 of the oil liquid along 4 end of connectivity slot in square slot 221 is discharged, and the separation of oil liquid is realized, by using suction
Mode, can be avoided waste water shake generate wave and caused by the more waste water of mixing in oil liquid, improve the precision of oil liquid separation；
Wherein, exhaust tube 25 is connected with the first air bag 51, and cam 5 squeezes the first air bag 51 and first air bag 51 is deformed,
After cam 5 is detached from the first air bag 51, the first air bag 51 is replied and is evacuated by exhaust tube 25 into square slot 221, thus will
Oil liquid is pumped into square slot 221；The effect that suction pump is realized by the first air bag 51, has saved energy consumption, has reduced simultaneously
Equipment volume；
In 24 lower end of pipette, floating block 7 is set, for different waste water, by presetting the size of 7 internal cavities of floating block, so that
Floating block 7 is by different buoyancy, to realize that floating block 7 rests on oil liquid and waste water intersection, cooperation pipette 24 to oil liquid into
Row detaches；Baffle 71 is set in 7 two sides of floating block simultaneously, baffle 71 reduces the wave size that waste water is vibrated generation, can keep away
Exempt from waste water shake generate wave and caused by the more waste water of mixing in oil liquid, to improve the precision of oil liquid separation.
Although the present invention be illustrated by specific embodiment, it will be appreciated by those skilled in the art that, do not departing from
In the case where the scope of the invention, various transformation and equivalent substitute can also be carried out to the present invention.In addition, being directed to particular condition or material
Material, can do various modifications to the present invention, without departing from the scope of the present invention.Therefore, the present invention is not limited to disclosed tool
Body embodiment, and should include the whole embodiments fallen within the scope of the appended claims.
Claims (6)
1. a kind of coal chemical wastewater treating technique, which is characterized in that the technique the following steps are included:
Step 1: coal chemical industrial waste water is passed through oily-water seperating equipment；
Step 2: the coal chemical industrial waste water after step 1 oil removing is passed through adsorption tank, has added adsorbent material in the adsorption tank；
Step 3: by step 2, treated that coal chemical industrial waste water is passed through clarifying basin precipitates；
Step 4: by step 3 clarifying basin, treated that coal chemical industrial waste water is successively passed through anaerobic pond, anoxic pond and aerobic tank；
Step 5: by step 4, treated that coal chemical industrial waste water is passed through that sedimentation basin carries out precipitation process；
Wherein, the oily-water seperating equipment includes cylinder (1), water inlet pipe (11), outlet pipe (12), flowline (13) and detaches
Module (2), cylinder (1) side are equipped with water inlet pipe (11) and outlet pipe (12)；The water inlet pipe (12) is located at outlet pipe
(11) top；Cylinder (1) other side is equipped with flowline (13), and the flowline (13) is connected with module (2) is detached, described
It detaches module (2) and is mounted on cylinder (1) inner upper, described detach module (2) are for detaching wastewater surface oil liquid；It is described to detach
Module (2) includes motor (21), rotating block (22), fixed disk (23), pipette (24) and exhaust tube (25)；The motor (21)
It is mounted at the top of cylinder (1), motor (21) the output shaft end is fixedly connected with rotating block (22)；The rotating block (22) is equipped with
Square slot (221) through rotating block (22) top and bottom, the rotating block (22) is rotatably installed in fixed disk (23), described solid
Price fixing (23) is fixedly connected with cylinder (1) inner wall, and fixed disk (23) bottom is fixedly connected with one group of pipette (24)；The suction
Liquid pipe (24) upper end is equipped with check valve, is fixedly connected with one group of exhaust tube (25) at the top of the fixed disk (23)；The exhaust tube
(25) for making to generate negative pressure in square slot (221)；
Guide post (3) are installed in exhaust tube (25) basal sliding, are equipped with venthole (31) inside the guide post (3), described
Venthole (31) outer ring is sleeved and fixed ring (32), and the fixed ring (32) is fixedly connected with exhaust tube (25) inner wall, the rotation
Mounting plate (33) are equipped at the top of block (22), ventilation head (34) is fixedly connected on the mounting plate (33), the ventilation head (34) is used
In extruding guide post (3), and keep guide post (3) mobile；
Fixed disk (23) the upper surface side is equipped with connectivity slot (4), connectivity slot (4) counterparty's type groove (221) setting, institute
It states fixed disk (23) outer ring and is equipped with the flowline (13) for connecting slot (4).
2. a kind of coal chemical wastewater treating technique according to claim 1, it is characterised in that: motor (21) output shaft
Middle part is fixedly connected cam (5), and the first air bag (51) are arranged on the exhaust tube (25)；Cam (5) rotation is for squeezing first
Air bag (51).
3. a kind of coal chemical wastewater treating technique according to claim 2, it is characterised in that: cylinder (1) bottom is set
Have air bearing pipe (6), the air bearing pipe (6) is connected with the first air bag (51).
4. a kind of coal chemical wastewater treating technique according to claim 1, it is characterised in that: the pipette (24) is soft
Pipe, pipette (24) outer ring are equipped with intercommunicating pore, and pipette (24) lower end is equipped with floating block (7), and the floating block (7) is internal
Equipped with cavity.
5. a kind of coal chemical wastewater treating technique according to claim 4, it is characterised in that: floating block (7) two sides are set
There is the baffle (71) being fixedly connected below fixed disk (23), two neighboring plate washer (71) shifts to install.
6. a kind of coal chemical wastewater treating technique according to claim 1, it is characterised in that: the square slot (221) one
End is equipped with circular arc (8), is fixedly connected gas-guide tube (41) in the connectivity slot (4), and the gas-guide tube (41) is equipped with control valve, institute
It states gas-guide tube (41) and circular arc (8) is tangent, the gas-guide tube (41) is connected with gas storage air bag (9), the gas storage air bag (9) and the
One air bag (51) is connected.
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| CN201810956396.5A CN108996607A (en) | 2018-08-21 | 2018-08-21 | A kind of coal chemical wastewater treating technique |
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| 环境保护部环境工程评估中心: "《火电行业环境保护政策法规》", 30 June 2014, 中国环境出版社 * |
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