CN207792957U - A kind of crushed coal pressure gasifying wastewater treatment and reclaiming system - Google Patents
A kind of crushed coal pressure gasifying wastewater treatment and reclaiming system Download PDFInfo
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- CN207792957U CN207792957U CN201721328768.7U CN201721328768U CN207792957U CN 207792957 U CN207792957 U CN 207792957U CN 201721328768 U CN201721328768 U CN 201721328768U CN 207792957 U CN207792957 U CN 207792957U
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Abstract
The utility model discloses a kind of crushed coal pressure gasifying wastewater treatment and reclaiming system, including sequentially connected pretreatment unit, biological treatment device, advanced treatment apparatus and membrane treatment appts；The pretreatment unit includes gas liquor separative element, and the gas liquor separative element is connected with crushed coal pressure gasifying waste water water；The membrane treatment appts are connected with reuse unit.Crushed coal pressure gasifying wastewater treatment provided by the utility model and reclaiming system are had impact resistance and system Self-regulation ability, can be ensured outlet effect and operation stability using the combination of a variety of ripe treatment process；It is equipped with pretreatment unit before subsequent processing units, reduces the processing load of subsequent processing units；The combination advantage for making full use of kinds of processes can effectively save operating cost under the premise of ensuring treatment effect.
Description
Technical field
The utility model is related to technical field of waste water processing.Specifically, the utility model is related to a kind of crushed coal pressure gasifyings
Wastewater treatment and reclaiming system.
Background technology
Crushed coal pressure gasifying technique since the temperature in gasification furnace is relatively low, cause generate organic wastewater pollutant at
It is point extremely complex, including suspended matter, unit phenol, polyphenol, ammonia nitrogen, organic nitrogen, aliphatic acid, aromatic compound, heterocyclic compound
The substances such as object, sulfur-containing compound, oil have the characteristics that organic pollutant category is more, concentration is high, toxicity is big, coloration is deep, are a kind of
Typically containing the big industrial wastewater of hardly degraded organic substance, intractability.
In view of ecological requirements and water-saving requirement, Modern Coal-based Chemical enterprise generally implements " wastewater zero discharge " management, for life
Production sewage will be accomplished to recycle as far as possible, consider the water quality characteristics of crushed coal pressure gasifying waste water, it is main at present using pretreatment,
The technology of biochemical treatment and advanced treating combination, to achieve the purpose that reuse.But crushed coal pressure gasifying waste water quality is complicated
And there are fluctuations, intractability is high, is difficult to realize stable, reuse up to standard in actual operation, is brought very to enterprise's production
Big restricted influence.
Utility model content
The purpose of this utility model is to provide a kind of crushed coal pressure gasifying wastewater treatment and reclaiming system, above-mentioned existing to solve
The problem of with the presence of technology, stable water outlet when realizing crushed coal pressure gasifying wastewater treatment, and meet the target of reuse demand.
To achieve the above object, the utility model provides following scheme：
A kind of crushed coal pressure gasifying wastewater treatment of the utility model offer and reclaiming system, including sequentially connected pretreatment
Device, biological treatment device, advanced treatment apparatus and membrane treatment appts；The pretreatment unit includes gas liquor separative element,
The gas liquor separative element is connected with crushed coal pressure gasifying waste water water；The membrane treatment appts are connected with reuse unit.
Optionally, the pretreatment unit further includes biochemical pretreatment unit and phenol ammonia recovery unit, the coal gas moisture
It is connected to the biochemical pretreatment unit by the phenol ammonia recovery unit from unit；The gas liquor separative element and the life
Change pretreatment unit and is connected separately with the oily collector unit of separation.
Optionally, phenol recovery tube and recovery ammonia pipe are provided on the phenol ammonia recovery unit, the phenol recovery tube is connected with
Phenol recovery unit, the recovery ammonia pipe are connected with ammonia recovery unit.
Optionally, the biological treatment list device includes sequentially connected anaerobic bio-treated unit, anoxic biological treatment
Unit and aerobic biological processing unit, the water outlet of the water inlet of the anaerobic bio-treated unit and the biochemical pretreatment unit
Mouth connection, the water outlet of the Aerobic biological process unit are connect with the precipitation treatment device.
Optionally, the precipitation treatment device includes the precipitation list being connect with the water outlet of the Aerobic biological process unit
The water outlet of member, the precipitation unit is connected with adsorption treatment unit, and the adsorption treatment unit is connected with coagulating sedimentation unit,
The coagulating sedimentation unit is connect by ozone treatment unit with the membrane treatment appts.
Optionally, the membrane treatment appts include the Membrane Bioreactor for Wastewater Treatment list being connect with the ozone treatment unit
Member, and the reverse-osmosis treated unit that is connect with the Membrane Bioreactor for Wastewater Treatment unit, the reverse-osmosis treated unit go out
The mouth of a river is connect with the reuse unit.
Optionally, further include sludge treating block；At the biochemistry pretreatment unit, precipitation unit and membrane bioreactor
Reason unit offers sludge mouth respectively, and the biochemistry pretreatment unit, precipitation unit and Membrane Bioreactor for Wastewater Treatment unit pass through
Respective sludge mouth is connect with the sludge treating block respectively.
Optionally, the adsorption treatment unit is connected with adsorbent recovery processing unit, and the adsorbent recovery processing is single
Member is used for collecting the adsorbent after precipitation, absorption.
Optionally, the anoxic biological processing unit is used for removing the total nitrogen in crushed coal pressure gasifying waste water
Optionally, reverse osmosis membrane is provided in the reverse-osmosis treated unit, the reverse osmosis membrane, which is used for removing broken coal, to be added
Press the salinity in gasification waste water.
Crushed coal pressure gasifying wastewater treatment provided by the utility model and reclaiming system have following compared with prior art
Technique effect：
(1) a variety of ripe treatment process combinations, have impact resistance and system Self-regulation ability, can ensure water outlet
The stability of effect and operation；
(2) it is equipped with pretreatment unit before subsequent processing units, to reduce the processing load of subsequent processing units；
(3) this system makes full use of the combination advantage of kinds of processes, can effectively be saved under the premise of ensuring treatment effect
Save operating cost.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without having to pay creative labor, can also basis
These attached drawings obtain other attached drawings；
Fig. 1 is the utility model crushed coal pressure gasifying wastewater treatment and reclaiming system structural schematic diagram；
Reference sign：1 it is gas liquor separative element, 2 be phenol ammonia recovery unit, 3 be biochemical pretreatment unit, 4 is
Anaerobic bio-treated unit, 5 be anoxic biological processing unit, 6 be aerobic biological processing unit, 7 be precipitation unit, 8 be absorption
Processing unit, 9 be coagulating sedimentation unit, 10 be ozone treatment unit, 11 be Membrane Bioreactor for Wastewater Treatment unit, 12 be reverse osmosis
Processing unit, 13 be reuse unit, 14 be the oily collector unit of separation, 15 be phenol recovery unit, 16 be ammonia recovery unit, 17 be dirty
Mud processing unit, 18 are recycled unit for adsorbent.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The purpose of this utility model is to provide a kind of crushed coal pressure gasifying wastewater treatment and reclaiming system, above-mentioned existing to solve
The problem of with the presence of technology, stable water outlet when realizing crushed coal pressure gasifying wastewater treatment, and meet the target of reuse demand.
Crushed coal pressure gasifying wastewater treatment provided by the utility model and reclaiming system, including sequentially connected pretreatment dress
It sets, biological treatment device, advanced treatment apparatus and membrane treatment appts；The pretreatment unit includes gas liquor separative element, institute
It states gas liquor separative element and is connected with crushed coal pressure gasifying waste water water；The membrane treatment appts are connected with reuse unit.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
Crushed coal pressure gasifying wastewater treatment and reclaiming system provided by the utility model is as described in Figure 1, including by coal gas
The pretreatment unit that water separative element 1, phenol ammonia recovery unit 2 and biochemical pretreatment unit 3 form；By anaerobic bio-treated unit
4, the biological treatment device that anoxic biological processing unit 5, Aerobic biological process unit 6 and precipitation unit 7 form；By adsorption treatment
The advanced treatment apparatus that unit 8, coagulating sedimentation unit 9 and ozone treatment unit 10 form；By Membrane Bioreactor for Wastewater Treatment unit
11 and reverse-osmosis treated unit 12 form membrane treatment appts；
On the basis of the above, the utility model further includes reuse unit 13, the oily collector unit 14 of separation, phenol recovery unit
15, ammonia recovery unit 16, sludge treating block 17 and adsorbent are recycled unit 18.
Crushed coal pressure gasifying wastewater treatment provided by the utility model is with reclaiming system in use, crushed coal pressure gasifying is useless
Water initially enters gas liquor separative element 1, separates tar, middle oil and the substances such as dirt in waste water at this, isolated
Oil enter the oily collector unit of separation 14；
The outlet of gas liquor separative element 1 is connected with 2 import of phenol ammonia recovery unit, at this by waste water phenol and ammonia etc. it is valuable
Substance is recycled, while being lowered into the influent load of subsequent processing units, and the phenol that phenol ammonia recovery unit 2 obtains enters phenol
Recovery unit 15, the ammonia that phenol ammonia recovery unit 2 obtains enter ammonia recovery unit 16；
Phenol ammonia recovery unit 2 export with biochemistry 3 import of pretreatment unit is connected, herein by chemical oxidation, oil removal by air bubbling,
The techniques such as coagulating sedimentation and process combination are to pollutant removals such as oils present in waste water, suspended matter, toxicants, after reduction
Continuous biological processing unit load, the oil that biochemical pretreatment unit 3 generates enter the oily collector unit 14 of separation, biochemical pretreatment unit
3 sludge generated enter sludge treating block 17；
The outlet of biochemical pretreatment unit 3 is connected with 4 import of anaerobic bio-treated unit, handles broken coal under anaerobic and adds
Gasification waste water is pressed, pollutant or Recalcitrant chemicals content are reduced；
The outlet of anaerobic bio-treated unit 4 is connected with 5 import of anoxic biological processing unit, handles broken coal under anoxic conditions
Pressurized gasification waste water removes total nitrogen；
The outlet of anoxic biological processing unit 5 is connected with 6 import of Aerobic biological process unit, and broken coal is handled under aerobic condition
Pressurized gasification waste water makes most of pollutant in waste water obtain degradation removal, and Aerobic biological process unit 6 extracts a certain amount of
Mixed liquor returns to anoxic biological processing unit 5；
The outlet of Aerobic biological process unit 6 is connected with 7 import of precipitation unit, realizes mud-water separation herein, precipitates
A sludge part is sent to anaerobic bio-treated unit 4, and remainder enters sludge treating block 17；
The outlet of precipitation unit 7 is connected with 8 import of adsorption treatment unit, will be remaining in waste water by the suction-operated of adsorbent
Recalcitrant chemicals Adsorption；
The outlet of adsorption treatment unit 8 is connected with 9 import of coagulating sedimentation unit, under the action of coagulated agent by adsorbent and
Suspended impurity precipitates, and the adsorbent precipitated enters adsorbent recovery processing unit 18；
The outlet of coagulating sedimentation unit 9 is connected with 10 import of ozone treatment unit, by ozonidation, further removes
Remaining Recalcitrant chemicals in waste water, while modified waste water；
The outlet of ozone treatment unit 10 is connected with 11 import of Membrane Bioreactor for Wastewater Treatment unit, in biological treatment and UF membrane
It handles under collective effect, amounts of residual contamination is removed；
The outlet of Membrane Bioreactor for Wastewater Treatment unit 11 is connected with 12 import of reverse-osmosis treated unit, passes through the work of reverse osmosis membrane
With the salinity in removing water；
The outlet of reverse-osmosis treated unit 12 is connected with 13 import of reuse unit, realizes waste water recycling after treatment.
It needs to further explain, in the present invention, be both provided in the connecting pipe of all units solely
Vertical control valve；Wherein described " gas liquor separative element 1 " refers to realizing tar in crushed coal pressure gasifying waste water, middle oil and dirt
The processing unit of equal substances separation." the phenol ammonia recovery unit 2 " refers to realizing that sour gas is de- in crushed coal pressure gasifying waste water
It removes, and phenol and ammonia is subjected to Resource recovery, be lowered into the processing unit of subsequent processing units processing load.It is described " biochemical
Pretreatment unit 3 " refers to realizing the pollutant removals such as oils, suspended matter, toxicant in crushed coal pressure gasifying waste water, reduce into
Enter the physical chemistry processing unit of subsequent processing units load." the anaerobic bio-treated unit 4 " refers to realizing anaerobic condition
The biological processing unit of lower crushed coal pressure gasifying wastewater treatment." the anoxic biological processing unit 5 " refers to realizing anoxia condition
The biological processing unit of lower crushed coal pressure gasifying wastewater treatment." the Aerobic biological process unit 6 " refers to realizing aerobic condition
The biological processing unit of lower crushed coal pressure gasifying wastewater treatment." precipitation unit 7 " refers to realizing crushed coal pressure gasifying waste water
The processing unit of mud-water separation after biological treatment." the adsorption treatment unit 8 " refers to realizing the broken coal under adsorbent effect
The processing unit of pressurized gasification waste water residue Recalcitrant chemicals removing." the coagulating sedimentation unit 9 " refers to realizing in coagulation
Under pharmacy effect in crushed coal pressure gasifying waste water mud-water separation processing unit." the ozone treatment unit 10 " refers to realizing
Remaining processing unit Recalcitrant chemicals removal and be modified in crushed coal pressure gasifying waste water under ozonidation." the film
Bioreactor for treatment unit 11 " refers to realizing to be combined under effect in crushed coal pressure gasifying waste water with biological treatment in film process
The processing unit of amounts of residual contamination removal." the reverse-osmosis treated unit 12 " refers to realizing that broken coal adds under reverse osmosis membrane effect
Press the processing unit that salinity removes in gasification waste water." the reuse unit 13 " refer to refer to realize crushed coal pressure gasifying waste water warp
It crosses after a series of processing unit processes and reaches the unit of reuse purpose." the separation oil collector unit 14 " refers to realizing that broken coal adds
The oily substance that pressure gasification waste water is isolated collects the unit of processing." the phenol recovery unit 15 " refers to realizing broken coal pressurization gas
Change the processing unit of waste water aldehydes matter recycling." ammonia recovery unit 16 " refers to realizing crushed coal pressure gasifying waste water recovery ammonia
Processing unit." sludge treating block 17 " refers to sludge condensation after realizing crushed coal pressure gasifying waste water mud-water separation, takes off
The processing unit of water and the disposition of dry mud." adsorbent is recycled unit 18 " refers to realizing used in crushed coal pressure gasifying waste water
Adsorbent recycles the processing unit with disposition.
This specification applies specific case and is expounded to the principles of the present invention and embodiment, the above implementation
The explanation of example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general skill of this field
Art personnel, according to the thought of the utility model, there will be changes in the specific implementation manner and application range.To sum up institute
It states, the content of the present specification should not be construed as a limitation of the present invention.
Claims (6)
1. a kind of crushed coal pressure gasifying wastewater treatment and reclaiming system, it is characterised in that：Including sequentially connected pretreatment unit,
Biological treatment device, advanced treatment apparatus and membrane treatment appts；The pretreatment unit includes gas liquor separative element, the coal
Gas-water separation unit is connected with crushed coal pressure gasifying waste water water；The membrane treatment appts are connected with reuse unit；The pre- place
It further includes biochemical pretreatment unit and phenol ammonia recovery unit to manage device, and the gas liquor separative element passes through the phenol recovery ammonia list
It is first to be connected to the biochemical pretreatment unit；The gas liquor separative element and the biochemical pretreatment unit are connected separately with point
From oily collector unit；Phenol recovery tube and recovery ammonia pipe are provided on the phenol ammonia recovery unit, the phenol recovery tube is connected with phenol
Recovery unit, the recovery ammonia pipe are connected with ammonia recovery unit；The biological treatment device includes sequentially connected anaerobic organism
Processing unit, anoxic biological processing unit and aerobic biological processing unit, the water inlet of the anaerobic bio-treated unit and institute
The water outlet connection of biochemical pretreatment unit is stated, the water outlet of the Aerobic biological process unit is connect with precipitation unit, described
The water outlet of precipitation unit is connected with adsorption treatment unit, and the adsorption treatment unit is connected with coagulating sedimentation unit, described mixed
Solidifying precipitation unit is connect by ozone treatment unit with the membrane treatment appts.
2. crushed coal pressure gasifying wastewater treatment according to claim 1 and reclaiming system, it is characterised in that：The film process
Device includes the Membrane Bioreactor for Wastewater Treatment unit being connect with ozone treatment unit, and with the Membrane Bioreactor for Wastewater Treatment list
The connected reverse-osmosis treated unit of member, the water outlet of the reverse-osmosis treated unit are connect with the reuse unit.
3. crushed coal pressure gasifying wastewater treatment according to claim 2 and reclaiming system, it is characterised in that：Further include sludge
Processing unit；The biochemistry pretreatment unit, precipitation unit and Membrane Bioreactor for Wastewater Treatment unit offer sludge mouth respectively, institute
State biochemical pretreatment unit, precipitation unit and Membrane Bioreactor for Wastewater Treatment unit by respective sludge mouth respectively with the sludge
Processing unit connects.
4. crushed coal pressure gasifying wastewater treatment according to claim 3 and reclaiming system, it is characterised in that：At the absorption
Reason unit is connected with adsorbent recovery processing unit, and the adsorbent recovery processing unit is used for collecting the suction after precipitation, absorption
Attached dose.
5. crushed coal pressure gasifying wastewater treatment according to claim 4 and reclaiming system, it is characterised in that：The anoxic life
Object processing unit is used for removing the total nitrogen in crushed coal pressure gasifying waste water.
6. crushed coal pressure gasifying wastewater treatment according to claim 5 and reclaiming system, it is characterised in that：It is described reverse osmosis
Reverse osmosis membrane is provided in processing unit, the reverse osmosis membrane is used for removing the salinity in crushed coal pressure gasifying waste water.
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| CN201721328768.7U CN207792957U (en) | 2017-10-16 | 2017-10-16 | A kind of crushed coal pressure gasifying wastewater treatment and reclaiming system |
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| CN201721328768.7U CN207792957U (en) | 2017-10-16 | 2017-10-16 | A kind of crushed coal pressure gasifying wastewater treatment and reclaiming system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111072217A (en) * | 2018-10-22 | 2020-04-28 | 中国石油化工股份有限公司 | Method for advanced treatment and recycling of saliferous oil refining wastewater |
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2017
- 2017-10-16 CN CN201721328768.7U patent/CN207792957U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111072217A (en) * | 2018-10-22 | 2020-04-28 | 中国石油化工股份有限公司 | Method for advanced treatment and recycling of saliferous oil refining wastewater |
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