CN209636011U - Nitrogen depressurizes shallow-layer flotation and filters coarse separation technique water treatment facilities - Google Patents
Nitrogen depressurizes shallow-layer flotation and filters coarse separation technique water treatment facilities Download PDFInfo
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- CN209636011U CN209636011U CN201920248674.1U CN201920248674U CN209636011U CN 209636011 U CN209636011 U CN 209636011U CN 201920248674 U CN201920248674 U CN 201920248674U CN 209636011 U CN209636011 U CN 209636011U
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Abstract
Coarse separation technique water treatment facilities are filtered in a kind of nitrogen decompression shallow-layer flotation of the utility model, and it includes primary treatment tank and secondary treatment tank, which is sequentially divided into gas-floating chamber, inclined plate room, oil-collecting slag trapping chamber and collecting chamber；The primary treatment tank Joining Technology water pipe and nitrogen input pipe, the technique water pipe and nitrogen input pipe connect jet aeration device in primary treatment tank；Accommodate several inclined plates being obliquely installed in the inclined plate room, there are gaps between adjacent inclined plate；Communicating pipe is equipped in the collecting chamber；The primary treatment tank end bottom is provided with preliminary treatment water discharge pipe.The primary treatment tank is connected with secondary treatment tank, be located between front end water inlet and final process water outlet in secondary treatment tank be sequentially provided with, breaking device, heavy oil discharger, nylon yarn stratum reticulare and unclogging discharger.This practical new construction is simple, takes off that solid, de-oiling effect is good, and a large amount of suspended particulate and colloid char particle and liquid hydrocarbon are removed, reuse requirement is met.
Description
Technical field
The utility model is net about the technique waste water recycling of a kind of Sewage treatment purification apparatus, especially petrochemical industry
Change processing equipment.
Background technique
In oil refining, ethylene, residual oil cracking, coal chemical industry, production process of natural gas, the process water produced in process
Need to be filtered removal suspended solid particles, Jiao Zhi, colloid, hydro carbons ability reuse, existing filter device uses filter substantially
Core is filtered, but filter core will block after a certain period of use time, needs to regularly replace filter core, and replacing filter core one is to make
Valence is high, and one is to need to frequently replace, and while replacing filter core needs to stop work, and frequently replaces filter core and has also resulted in frequent shutdowns,
So that entire production is all affected, to be integrally improved production cost.
Utility model content
The technical problem underlying that the utility model is solved is to provide a kind of completely new technique water treatment facilities, and existing
The means that some filters solve the problems, such as are entirely different, and filter effect is good, do not need frequently to replace filter core, little impact on production,
Reduce production cost.
Technological means used by the utility model is as described below.
A kind of nitrogen decompression shallow-layer flotation filtering coarse separation technique water treatment facilities, it includes primary treatment tanks, this is first
Grade process tank is sequentially divided into gas-floating chamber, inclined plate room, oil-collecting slag trapping chamber and collecting chamber；The gas-floating chamber, inclined plate room, oil-collecting slag trapping chamber and
Collecting chamber is separated by first partition, second partition and third partition, above the first partition, second partition and third partition
There are distances with primary treatment tank top；
The primary treatment tank Joining Technology water pipe and nitrogen input pipe, the technique water pipe and nitrogen input pipe are in primary treatment
Jet aeration device is connected in tank, which is set in gas-floating chamber；
Accommodate several inclined plates being obliquely installed in the inclined plate room, there are gaps between adjacent inclined plate；
Communicating pipe is equipped in the collecting chamber；
The primary treatment pot bottom is equipped with scum pipe, and inclined plate room front bottom end has the first drainpipe, and the first drainpipe connects
High muddy water cesspool is connect, inclined plate room rear end bottom has the second drainpipe, and the second drainpipe is connected with communicating pipe, is located at communicating pipe
Collecting chamber bottom is vertically arranged；
The primary treatment tank end bottom is provided with preliminary treatment water discharge pipe.
Primary treatment tank top is connected with nitrogen balance device, and nitrogen balance device is connected with nitrogen balance pipe.
The first partition, second partition and third divider height sequentially increase.
Oil-collecting slag trapping chamber bottom is arranged third drainpipe and connects oily wastewater tank.
Several inclined plate lower parts being obliquely installed are provided with support angle steel, the width of the inclined plate and the width of primary treatment tank
Match, the height after inclination is higher than first partition but is lower than second partition, and oleophobic layer is arranged on inclined plate.
The angle of inclined plate and horizontal plane is 60 °, the gap between adjacent inclined plate be 50mm, inclined plate with a thickness of 1.2mm.
The primary treatment tank is connected with secondary treatment tank, the preliminary treatment water discharge pipe connect secondary treatment tank front end into
The mouth of a river, the secondary treatment tank rear end are equipped with final process water outlet, are located at front end water inlet and final place in secondary treatment tank
It is sequentially provided between reason water outlet, breaking device, heavy oil discharger, nylon yarn stratum reticulare and unclogging discharger.
The breaking device is multi-layer polypropylene gauze filter layer, the polypropylene yarn net filtration layer and secondary treatment tank cross section
Product matches, which is nylon66 fiber silk screen.
The polypropylene yarn net filtration layer is six layers, which is three layers.
The setting of heavy oil discharger connects in secondary treatment pot bottom and removes heavy oil blowdown drum；Unclogging discharger is set
It sets in secondary treatment tank top, and connects light oil dirt, discharging pollution tank.
The beneficial effects of the utility model are as described below.The utility model structure is simple, takes off that solid, de-oiling effect is good, greatly
The suspended particulate and colloid char particle and liquid hydrocarbon of amount remove, and meet reuse requirement.
Detailed description of the invention
Fig. 1 is the structural block diagram of the utility model.
Fig. 2 is primary treatment tank partial block diagram enlarged diagram in the utility model.
Fig. 3 is secondary treatment tank partial block diagram enlarged diagram in the utility model.
Specific embodiment
As shown in Figure 1-3, coarse separation technique water treatment facilities are filtered in a kind of nitrogen decompression shallow-layer flotation of the utility model,
It focuses on, and it includes primary treatment tank 1, which is sequentially divided into gas-floating chamber 11, inclined plate room 12, oil-collecting collection slag
Room 13 and collecting chamber 14；The gas-floating chamber 11, inclined plate room 12, oil-collecting slag trapping chamber 13 and collecting chamber 14 by first partition 15, second every
Plate 16 and third partition 17 are separated, the first partition 15, second partition 16 and 17 top of third partition and primary treatment tank 1
There are distances at top.
The 1 Joining Technology water pipe 2 of primary treatment tank and nitrogen input pipe 3, the technique water pipe 2 and nitrogen input pipe 3 are first
Jet aeration device 4 is connected in grade process tank, which is set in gas-floating chamber 11, as shown, can be two groups of setting
Jet aeration device 4, jet aeration device 4 are existing apparatus, will need the process water filtered and nitrogen while being passed through primary place
Tank 1 is managed, general air water volume ratio is advisable for 1:1, and by the effect of jet aeration device, nitrogen and process water are sufficiently mixed aeration,
Lighter greasy dirt formed under the action of nitrogen surface be greasy dirt nitrogen bubble, float up, and heavier dregs, silt,
The substance of iron rust and color density greater than 1 sinks, and the purification process of the first step is completed in gas-floating chamber.Also, nitrogen will be filled with
Entire 1 top of primary treatment tank, and certain pressure (general nitrogen pressure is not less than 0.6MPa) is formed, pressure makes by processing
Process water overflow backward, the lighter greasy dirt of ullage is taken away backward, in order to control the pressure of nitrogen, on primary treatment tank
Portion is connected with nitrogen balance device 18, and nitrogen balance device 18 is connected with nitrogen balance pipe 19, if pressure is excessive, passes through nitrogen
Balance pipe pressure release can increase nitrogen input if pressure is too small with ftercompction or closing.Here nitrogen balance device 18 can be with
It as shown is the setting of protrusion 1 top of primary treatment tank, interior to control pressure using partition, this is that those skilled in the art know
The structure in road can also be replaced with the device of other similar function.
Liquid level is higher and higher in the process water above process by preliminary treatment, overflows to tiltedly finally by first partition 15
In plate room 12.
Several inclined plates 5 being obliquely installed of accommodating in the inclined plate room 12, there are gaps between adjacent inclined plate 5；In the present embodiment
In, which is provided with support angle steel 51 and is used to support inclined plate 5, the width and primary of the inclined plate 5
The width of process tank 1 matches, and the height after inclination is higher than first partition 15 but is lower than second partition 16, inclined plate 5 and horizontal plane
Angle be 60 ° be it is best, the gap between adjacent oblique 5 plate is that 50mm is best, the thickness of inclined plate most preferably 1.2mm.From gas
Floating chamber 11 overflows to the process water of inclined plate room 12, acts on from the bottom up by inclined plate, so that process water phase between adjacent inclined plate
Mutually collision, to enhance clean-up effect so that pollutant is preferably separated with water, also, in order to prevent greasy dirt to 5 shape of inclined plate
At cladding, the number of cleaning inclined plate is reduced, oleophobic layer can be set on inclined plate.
1 bottom of primary treatment tank can be equipped with scum pipe 20, and scum pipe 20 will be deposited to the slag of primary treatment pot bottom
Dregs, pollutant of the heavy oil isodensity greater than 1 are discharged, and in inclined plate room, 12 front bottom end is also provided with the first drainpipe 21, and first
Drainpipe 21 connects high muddy water cesspool, and the relatively serious sewage of pollution is discharged, and passes through the catharsis of inclined plate 5
Afterwards, 12 rear end bottom of inclined plate room has the second drainpipe 22, and the second drainpipe 22 is connected with communicating pipe 24, communicating pipe 24 is located at collection
14 bottom of water chamber is vertically arranged, and the sewage of relative clean is imported in collecting chamber 14 and carries out subsequent processing, and is passed through inclined plate 5 and acted on
The natant pollutant being discharged then overflows to oil-collecting slag trapping chamber 13 by second partition 16, and passes through 20 row of scum pipe
Out；Certainly third drainpipe 23 can also be set in 13 bottom of oil-collecting slag trapping chamber and connects oily wastewater tank.Also, primary treatment
Several evacuated tubes 25 can also be arranged in tank, for emptying pot liquid in repair apparatus, can arbitrarily be arranged according to demand
Position and number can also be connected to according to demand with other pipes, and details are not described herein for this non-this case emphasis.
The 1 end bottom of primary treatment tank is provided with preliminary treatment water discharge pipe 6, is discharged to collecting chamber 14 by communicating pipe 24
Treated sewage be discharged under the action of nitrogen pressure by preliminary treatment water discharge pipe 6.
In the present embodiment, the first partition 15, second partition 16 and 17 height of third partition can sequentially increase, so that
From gas-floating chamber 11 to inclined plate room 12, again to the overflow greasy dirt as much as possible of oil-collecting slag trapping chamber 13, and highest third partition 17
The dirt of oil-collecting slag trapping chamber 13 can be blocked, height can be arranged according to demand.
In addition, multiple valves, pump, liquid level meter, pressure controller and pipe can be arranged according to demand in the utility model
Road switch etc., can also be arranged automation control device, these components are all that those of ordinary skill in the art according to demand may be used
With the common facility voluntarily selected, it is not the focus of this case, details are not described herein.
In order to further handle sewage, which is also connected with secondary treatment tank 7, the preliminary treatment
Water discharge pipe 6 connects the front end water inlet 71 of secondary treatment tank 7, which is equipped with final process water outlet
72, last processed water after treatment, basically reaches reuse standard, can carry out reuse.Before secondary treatment tank 7 is located at
It is sequentially provided between end water inlet 71 and final process water outlet 72, breaking device 73, heavy oil discharger 74, nylon yarn
Stratum reticulare 75 and unclogging discharger 76.
Different from existing tubular type breaking device, the breaking device 73 of the utility model is the filtering of multi-layer polypropylene gauze
Layer, the polypropylene yarn net filtration layer match with secondary treatment tank cross-sectional area, which is nylon66 fiber silk screen.
In the preferred embodiment, which is six layers, which is three layers.It compares existing
Tubular type breaking device, demulsification is more preferable, and more (existing general half a year needs replacing durable, and in the utility model
It at least can be used 6 years).
Heavy oil discharger 74 connects in 7 bottom of secondary treatment tank and removes heavy oil blowdown drum, and heavier greasy dirt is arranged downwards
Out；The setting of unclogging discharger 76 connects light oil dirt, discharging pollution in 7 tank top of secondary treatment, discharge upwards dirty compared with light oil
Tank.
Using the processing equipment of the utility model, 95% can be reached to the removal rate of suspended particulate by primary treatment tank
More than, 98% is reached to the removal rate of free oil, major function is removal SS and includes the weight hydrocarbon under abnormal condition
Impact of the big oil mass to subsequent processing device under accident condition can be effectively relieved in class.In conjunction with secondary treatment tank can carry out into
The processing of one step, so that treated, water quality is more preferable, and complete equipment replaces filter core without frequent shutdown, and the cycle of operation is long.
Claims (10)
1. coarse separation technique water treatment facilities are filtered in a kind of nitrogen decompression shallow-layer flotation, which is characterized in that it includes at primary
Tank is managed, which is sequentially divided into gas-floating chamber, inclined plate room, oil-collecting slag trapping chamber and collecting chamber；The gas-floating chamber, inclined plate room, collection
Oily slag trapping chamber and collecting chamber are separated by first partition, second partition and third partition, the first partition, second partition and the
There are distances with primary treatment tank top above three partitions；
The primary treatment tank Joining Technology water pipe and nitrogen input pipe, the technique water pipe and nitrogen input pipe are in primary treatment tank
Jet aeration device is connected, which is set in gas-floating chamber；
Accommodate several inclined plates being obliquely installed in the inclined plate room, there are gaps between adjacent inclined plate；
Communicating pipe is equipped in the collecting chamber；
The primary treatment pot bottom is equipped with scum pipe, and inclined plate room front bottom end has the first drainpipe, and the connection of the first drainpipe is high
Muddy water cesspool, inclined plate room rear end bottom have the second drainpipe, and the second drainpipe is connected with communicating pipe, is located at communicating pipe and catchments
Room bottom is vertically arranged；
The primary treatment tank end bottom is provided with preliminary treatment water discharge pipe.
2. coarse separation technique water treatment facilities are filtered in nitrogen decompression shallow-layer flotation as described in claim 1, which is characterized in that
Primary treatment tank top is connected with nitrogen balance device, and nitrogen balance device is connected with nitrogen balance pipe.
3. coarse separation technique water treatment facilities are filtered in nitrogen decompression shallow-layer flotation as described in claim 1, which is characterized in that
The first partition, second partition and third divider height sequentially increase.
4. coarse separation technique water treatment facilities are filtered in nitrogen decompression shallow-layer flotation as described in claim 1, which is characterized in that
Oil-collecting slag trapping chamber bottom is arranged third drainpipe and connects oily wastewater tank.
5. coarse separation technique water treatment facilities are filtered in nitrogen decompression shallow-layer flotation as described in claim 1, which is characterized in that
Several inclined plate lower parts being obliquely installed are provided with support angle steel, and the width of the width and primary treatment tank of the inclined plate matches,
Height after inclination is higher than first partition but is lower than second partition, and oleophobic layer is arranged on inclined plate.
6. coarse separation technique water treatment facilities are filtered in nitrogen decompression shallow-layer flotation as claimed in claim 5, which is characterized in that
The angle of inclined plate and horizontal plane is 60 °, the gap between adjacent inclined plate be 50mm, inclined plate with a thickness of 1.2mm.
7. coarse separation technique water treatment facilities are filtered in any nitrogen decompression shallow-layer flotation as described in claim 1-6, special
Sign is that the primary treatment tank is connected with secondary treatment tank, the preliminary treatment water discharge pipe connect secondary treatment tank front end into
The mouth of a river, the secondary treatment tank rear end are equipped with final process water outlet, are located at front end water inlet and final place in secondary treatment tank
It is sequentially provided between reason water outlet, breaking device, heavy oil discharger, nylon yarn stratum reticulare and unclogging discharger.
8. coarse separation technique water treatment facilities are filtered in nitrogen decompression shallow-layer flotation as claimed in claim 7, which is characterized in that
The breaking device is multi-layer polypropylene gauze filter layer, the polypropylene yarn net filtration layer and secondary treatment tank cross-sectional area phase
Match, which is nylon66 fiber silk screen.
9. coarse separation technique water treatment facilities are filtered in nitrogen decompression shallow-layer flotation as claimed in claim 8, which is characterized in that
The polypropylene yarn net filtration layer is six layers, which is three layers.
10. coarse separation technique water treatment facilities are filtered in nitrogen decompression shallow-layer flotation as claimed in claim 7, feature exists
In the setting of heavy oil discharger connects in secondary treatment pot bottom and removes heavy oil blowdown drum；Unclogging discharger is arranged secondary
At the top of grade process tank, and connect light oil dirt, discharging pollution tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920248674.1U CN209636011U (en) | 2019-02-27 | 2019-02-27 | Nitrogen depressurizes shallow-layer flotation and filters coarse separation technique water treatment facilities |
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| CN201920248674.1U CN209636011U (en) | 2019-02-27 | 2019-02-27 | Nitrogen depressurizes shallow-layer flotation and filters coarse separation technique water treatment facilities |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109734210A (en) * | 2019-02-27 | 2019-05-10 | 北京兆华仙泉技术开发有限公司 | Nitrogen depressurizes shallow-layer flotation and filters coarse separation technique water treatment facilities |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109734210A (en) * | 2019-02-27 | 2019-05-10 | 北京兆华仙泉技术开发有限公司 | Nitrogen depressurizes shallow-layer flotation and filters coarse separation technique water treatment facilities |
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