CN209024303U - The cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid - Google Patents
The cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid Download PDFInfo
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- CN209024303U CN209024303U CN201821634552.8U CN201821634552U CN209024303U CN 209024303 U CN209024303 U CN 209024303U CN 201821634552 U CN201821634552 U CN 201821634552U CN 209024303 U CN209024303 U CN 209024303U
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- sulphur ammonium
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Abstract
The utility model discloses a kind of cleaning treatment systems of acrylonitrile installation sulphur ammonium waste liquid, comprising: feed surge tank, for accepting the sulphur ammonium waste liquid of upstream；Feed surge tank top is also connected with the exhaust pipe for degassing；Filter is connected to, for filtering the catalyst granules in waste liquid with the feed surge tank；The filter top is also connected with liquid pipe after filter；Catalyst underflow slot, is connected to the filter, for carrying out concentration to filtered waste liquid；Also, the catalyst underflow slot is also connected with the exhaust pipe；Slag drying machine is connected to the catalyst underflow slot, for being carried out dehydrating to the underflow after concentration and degassing；Subsider is connected to the waste liquid outlet of the slag drying machine, and the upper clear supernate of the subsider is connected to liquid pipe after the filter on filter, and the underflow liquid of the sedimentation trench bottom is connected to slag drying machine.The utility model can effectively isolate catalyst from sulphur ammonium waste liquid and can long-acting stable operation.
Description
Technical field
The utility model relates to containing catalyst liquid waste disposal technique field more particularly to a kind of acrylonitrile installation sulphur ammonium it is useless
The cleaning treatment system of liquid.
Background technique
Acrylonitrile is a kind of important industrial chemicals, mainly for the production of acrylic fiber, ABS/SAN resin, nitrile rubber
Equal products.A large amount of sulphur ammonium waste liquid can be generated in the production process of acrylonitrile and downstream product, need to carry out thiamine recovery and
Wastewater treatment.Industrial processing sulphur ammonium waste liquid is burning disposal after the logical concentration by sulphur ammonium waste liquid at present, but is contained in sulphur ammonium waste liquid
There is a large amount of catalyst granules, causes waste water to generate serious boiler tube dust stratification when burning, increase firing rate, therefore sulphur ammonium
Waste liquid is needed before burning disposal by catalyst removal.
It is at present by settling Removal of catalyst for technology used by sulphur ammonium waste liquid Removal of catalyst.Since sulphur ammonium is useless
0.6~30 μm of the granularity of catalyst in liquid, granularity is very small, and the required sedimentation time is longer and the efficiency of sedimentation is lower therefore heavy
Still contain a large amount of catalyst granules in waste water after drop.Chinese patent literature CN206590982 discloses one kind and urges containing powder
The processing system of agent waste liquid, sulphur ammonium waste liquid after settling, then pass through accurate filter to remove remaining catalyst granules, but
It is that can polymerize to be formed largely in long-time infall process due to containing a large amount of aldoketones low molecule organic matter in sulphur ammonium waste liquid
Oil-based polymers, make secondary filter object thereafter by liquid-solid two-phase (water, catalyst) Gu become liquid-liquid-three-phase (water, oil,
Gu), attachment of the oil-based polymers on filter material makes filter material become hydrophobic nature, causes filtration resistance speedup to be accelerated, filter cycle
It shortens, or even can not normal operating.
Therefore, solid-liquor separation is always the technology and operation problem of sulphur ammonium upgrading unit in acrylonitrile process.This field skill
There is an urgent need to develop a kind of acrylonitrile that catalyst and the long-acting stable operation of energy can be effectively isolated from sulphur ammonium waste liquid by art personnel
The cleaning treatment system of device sulphur ammonium waste liquid.
Summary of the invention
Catalyst and the long-acting stabilization of energy can be effectively isolated from sulphur ammonium waste liquid the purpose of the utility model is to provide a kind of
The cleaning treatment system of the acrylonitrile installation sulphur ammonium waste liquid of operation.
The technical scheme that the utility model is provided is as follows:
A kind of cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid, comprising:
Feed surge tank, for accepting the sulphur ammonium waste liquid of upstream；Feed surge tank top is also connected with for deaerating
Exhaust pipe；
Filter is connected to, for filtering the catalyst granules in waste liquid with the feed surge tank；The filter top
It is also connected with liquid pipe after filtering；
Catalyst underflow slot, is connected to the filter, for carrying out concentration to filtered waste liquid；Also, institute
Catalyst underflow slot is stated also to be connected with the exhaust pipe；
Slag drying machine is connected to the catalyst underflow slot, for being carried out dehydrating to the underflow after concentration and degassing；Institute
It states and is additionally provided with waste liquid outlet on slag drying machine；
Subsider is connected to, in the upper clear supernate and filter of the subsider with the waste liquid outlet of the slag drying machine
Liquid pipe is connected to after filter, and the underflow liquid of the sedimentation trench bottom is connected to slag drying machine.
Preferably, further includes: filter feed pump, be arranged between the feed surge tank and filter, and respectively with
The feed surge tank is connected with filter, for the waste liquid in the feed surge tank to be delivered in filter.
Preferably, further includes: slag drying machine feed pump is arranged between the catalyst underflow slot and slag drying machine, and respectively
It is connect with catalyst underflow slot and slag drying machine, for the underflow liquid in the catalyst underflow slot to be delivered to slag drying machine.
Preferably, further includes: dry slag waste liquid tank is arranged between the slag drying machine and subsider, and the dry slag waste liquid
Tank is connect with the waste liquid outlet and subsider of slag drying machine respectively, for receiving the waste liquid of slag drying machine generation.
Further, the slag drying machine and/or dry slag waste liquid tank and/or subsider are connected to the exhaust pipe.
Preferably, further includes: subsider feed pump, be arranged between dry slag waste liquid tank and subsider, and respectively with dry slag
Waste liquid tank is connected with subsider, for the waste water in the dry slag waste liquid tank to be delivered to subsider.
Preferably, further includes: clear liquid pump, setting is after subsider and filter between liquid pipe, and respectively and after subsider and filter
Liquid pipe connection, for by clear liquid obtained in subsider be delivered to filter after liquid pipe.
Preferably, further includes: chemicals dosing plant is exported towards subsider, for adding flocculant in the waste liquid into slot.
Preferably, the filter uses filtering accuracy for 0.5-5 μm of automatic backwashing filter, the automatic backflushing
It washes filter and backwash is realized by the line duration control of the filter differential pressure or 2-4h of control 100-450KPa.
Preferably, the pressure control in the feed surge tank is 50-100KPag；
And/or；
Pressure control in the catalyst underflow slot is 50-100KPag.
The cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid provided by the utility model can be brought following beneficial to effect
Fruit:
1) the utility model changes the process of the prior art, and the waste liquid of sulphur ammonium containing catalyst come out from upstream device is direct
It is sent into liquid and is separated by filtration system admittedly, waste water is only 2~5min in the residence time of filter, and the wastewater treatment time is short, no oils
Polymerization generates, therefore not will lead to the blocking of filter, makes the long-acting operation of the separation of catalyst, and liquid-solid separation efficiency is high, filter
Catalyst content < 10mg/l in acrylic nitrile waste water afterwards reduces the dust stratification situation of incinerator.Correspondingly, the utility model is to mistake
Without oil-based polymers in the residue liquid obtained after filter blowback, therefore dry Slag treatment difficulty being reduced, slag drying machine is not easy to plug, and
Filter cake moisture content is low, reduces dangerous waste yield and processing cost.
2) in addition, containing a small amount of fine grained in the waste liquid that dry slag generates, after the utility model further progress flocculating setting
Catalyst solid content is less than 10mg/l, meets the solid content requirement of incinerator, to realize entire purification process technique without useless
Liquid generates.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, to acrylonitrile installation sulphur ammonium waste liquid
Above-mentioned characteristic, technical characteristic, advantage and its implementation of cleaning treatment system be further described.
Fig. 1 is the schematic diagram of the first specific embodiment of the cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid；
Fig. 2 is the structural schematic diagram of second of specific embodiment of the cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid；
Drawing reference numeral explanation:
1- feed surge tank, 2- filter feed pump, 3- filter, 4- catalyst underflow slot, 5- slag drying machine feed pump, 6-
Slag drying machine, the dry slag waste liquid tank of 7-, 8- subsider feed pump, 9- subsider, 10- clear liquid pump, a- exhaust pipe, liquid pipe after b- filter.
Specific embodiment
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that the accompanying drawings in the following description is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings, and obtains other embodiments.
To make simplified form, part relevant to the utility model is only schematically shown in each figure, they are simultaneously
Its practical structures as product is not represented.
Embodiment 1
In conjunction with attached drawing 1, the cleaning treatment system of the acrylonitrile installation sulphur ammonium waste liquid of the present embodiment, comprising:
Feed surge tank 1, for accepting the sulphur ammonium waste liquid of upstream；1 top of feed surge tank is also connected with for taking off
The exhaust pipe of gas；
Filter 3 is connected to, for filtering the catalyst granules in waste liquid with the feed surge tank 1；On the filter
Portion is also connected with liquid pipe after filter；
Catalyst underflow slot 4, is connected to the filter, for carrying out concentration to filtered waste liquid；Also, institute
Catalyst underflow slot is stated also to be connected with the exhaust pipe；
Slag drying machine 6 is connected to, for being carried out dehydrating to the underflow after concentration and degassing with the catalyst underflow slot 4；
Waste liquid outlet is additionally provided on the slag drying machine；
Subsider 9 is connected to the waste liquid outlet of the slag drying machine 6, and upper clear supernate and the filter 3 of the subsider go out
Liquid pipe b is connected to after filter at mouthful, and the underflow liquid of 9 bottom of subsider is connected to slag drying machine 6.
In conjunction with attached drawing 1, the cleaning treatment system of the acrylonitrile installation sulphur ammonium waste liquid of the present embodiment can be carried out following specific
Using:
S1, sulphur ammonium waste liquid deaerate through 1 pressure drop of feed surge tank, and the aldoketones low molecule that low boiling point therein easily polymerize is organic
Object drains into torch by exhaust pipe, thus the removal aldoketones low molecule organic matter that wherein low boiling point easily polymerize；
Waste liquid after S2, degassing subsequently enters solid catalyst contained therein is removed in filter 3 after, the sulphur ammonium after filter
Waste liquid liquid pipe b after filtering is sent to sulphur ammonium concentration process；
S3, filter control backwash regeneration, obtain catalyst underflow liquid；
S4, catalyst underflow liquid is sent to catalyst underflow slot 4, after pressure buffer and further degassing, after degassing
Catalyst underflow liquid enter the further removing moisture of slag drying machine 6, the dry slag being dehydrated simultaneously sends outside；
S5, the produced waste liquid of slag drying machine 6 send to subsider 9 and are settled, after removing oil component and heavy component therein
It is returned to slag drying machine 6, remaining clear liquid carries out sulphur ammonium concentration after mixing with sulphur ammonium waste liquid after the filter of filter outlet, is then sent to
Burning disposal.
It is to which the present embodiment changes the process of the prior art, the waste liquid of sulphur ammonium containing catalyst come out from upstream device is direct
It being sent into filter and realizes that liquid is separated by filtration admittedly, waste water is only 2~5min in the residence time of filter, and the wastewater treatment time is short,
Oil-free Type of Collective generates, therefore not will lead to the blocking of filter 3；Moreover, liquid-solid separation efficiency is high, after filter in acrylic nitrile waste water
Catalyst content < 10mg/l reduces the dust stratification situation of incinerator.Without oils in the residue liquid obtained after Filter Back Washing
Polymer, therefore dry Slag treatment difficulty is reduced, slag drying machine is not easy to plug, and filter cake moisture content is low, reduces dangerous waste yield
And processing cost.Contain a small amount of fine grained in the waste liquid that dry slag generates, further progress sedimentation rear catalyst solid content is less than
10mg/l, meets the solid content requirement of incinerator, generates to realize entire purification process technique without waste liquid.
Embodiment 2
The cleaning treatment system of the present embodiment acrylonitrile installation sulphur ammonium waste liquid is on the basis of embodiment 1, further includes: filtering
Device feed pump 2, be arranged between the feed surge tank 1 and filter 3, and respectively with the feed surge tank 1 and filter 3
Connection, for the waste liquid in the feed surge tank to be delivered in filter.
The concrete application of the embodiment is similar to Example 1, is only that the pumping for increasing filter feed pump to waste liquid
Process.
Specifically, filter feed pump 2 can be set as pneumatic diaphragm pump, the diaphragm of pump is polytetrafluoroethylene tape neoprene pair
Diaphragm, valve ball are polytetrafluoroethylene (PTFE), and valve seat is 316L stainless steel, and the place of waste liquid can be improved by the way that filter feed pump 2 is arranged
Manage efficiency.
Embodiment 3
The cleaning treatment system of the present embodiment acrylonitrile installation sulphur ammonium waste liquid is on the basis of embodiment 1, further includes: dry slag
Machine feed pump 5, be arranged between the catalyst underflow slot 4 and slag drying machine 6, and respectively with catalyst underflow slot 4 and slag drying machine 6
Connection, for the underflow liquid in the catalyst underflow slot 4 to be delivered to slag drying machine 6.
The concrete application of the embodiment is similar to Example 1, is only that and increases slag drying machine feed pump 5 to catalyst underflow
The pumping procedure of liquid.
Specifically, slag drying machine feed pump 5 can be set as screw pump, the stator of screw pump is ERP or nitrile rubber stator, rotor are
The treatment effeciency of catalyst underflow liquid can be improved by the way that slag drying machine feed pump 5 is arranged in 316L material.
Embodiment 4
The cleaning treatment system of the present embodiment acrylonitrile installation sulphur ammonium waste liquid, on the basis of embodiment 1, further includes: dry
Slag waste liquid tank 7 is arranged between the slag drying machine 6 and subsider 9, and the dry slag waste liquid tank 7 waste liquid with slag drying machine 6 respectively
Outlet and subsider 9 connect, for receiving the waste liquid of slag drying machine generation.
The concrete application of the embodiment is similar to Example 1, is only that the storage for increasing dry slag waste liquid tank 7 to waste liquid
Journey.
Waste liquid can be stored as buffering by the way that dry slag waste liquid tank 7 is arranged in this implementation, not to settling system in subsider 9
It is directly impacted, because the treatment effeciency of waste liquid can be improved without adversely affecting to infall process.
Embodiment 5
In conjunction with Fig. 2, the cleaning treatment system of the present embodiment acrylonitrile installation sulphur ammonium waste liquid is on the basis of embodiment 4, institute
It states slag drying machine 6 and/or dry slag waste liquid tank 7 and/or subsider 9 is connected to the exhaust pipe a.
The concrete application of the embodiment is similar to Example 4, is only that and increases slag drying machine 6 and/or dry slag waste liquid tank 7
And/or the further degassing process of subsider 9.
The present embodiment can further realize degassing in the follow up device of catalyst underflow slot, improve the processing effect of this system
Fruit.
Embodiment 6
The cleaning treatment system of the present embodiment acrylonitrile installation sulphur ammonium waste liquid is on the basis of embodiment 1, further includes: sedimentation
Slot feed pump 8, setting are connect between dry slag waste liquid tank 7 and subsider 9, and respectively with dry slag waste liquid tank 7 and subsider 9, are used
In the waste water in the dry slag waste liquid tank 7 is delivered to subsider 9.
The concrete application of the embodiment is similar to Example 1, is only that and increases subsider feed pump 8 to dry slag waste liquid
Pumping procedure.
Specifically, pneumatic diaphragm pump can be selected in subsider feed pump 8, the diaphragm of pump is polytetrafluoroethylene tape neoprene pair
Diaphragm, valve ball are polytetrafluoroethylene (PTFE), and valve seat is 316L stainless steel, and the place of waste liquid can be improved by the setting of subsider feed pump
Manage efficiency.
Embodiment 7
The cleaning treatment system of the present embodiment acrylonitrile installation sulphur ammonium waste liquid is on the basis of embodiment 1, further includes: clear liquid
Pump 10, setting are connect after subsider 9 and filter between liquid pipe respectively with subsider 9 with liquid pipe after filter, and being used for will be in subsider
Obtained clear liquid is delivered to liquid pipe after filter.
The concrete application of the embodiment is similar to Example 1, is only that the pump of clear liquid after increasing 10 pairs of clear liquid pump sedimentations
Pass through journey.
Specifically, self priming centrifugal pump can be selected in clear liquid pump 10, sulphur ammonium after filtering can be improved by the setting of clear liquid pump 10
The treatment effeciency of liquid.
Embodiment 8
The cleaning treatment system of the present embodiment acrylonitrile installation sulphur ammonium waste liquid is on the basis of embodiment 1, further includes: dosing
Device is exported towards subsider, for adding flocculant in the waste liquid into slot.
The concrete application of the embodiment is similar to Example 1, is only that flocculant is increased in subsider, increases sedimentation speed
Degree.
Contain a small amount of fine grained in the waste liquid that dry slag generates, sedimentation effect can be improved by addition flocculant in the present embodiment
Fruit and sinking speed can sufficiently ensure that catalyst solid content is less than 10mg/l after further flocculating setting, meet consolidating for incinerator
Content requirement generates to realize entire purification process technique without waste liquid.
Embodiment 9
The cleaning treatment system of the present embodiment acrylonitrile installation sulphur ammonium waste liquid on the basis of embodiment 1, the filter
Use filtering accuracy for 0.5-5 μm of automatic backwashing filter.The present embodiment keeps sulphur ammonium useless by the precision of controlling filter
Liquid after the filter, can sufficiently remove the catalyst granules in waste liquid, be less than filtered waste liquid catalyst content
10mg/l, it is subsequent to send to sulphur ammonium concentration the solid content requirement for meeting incinerator.In addition, the automatic backwashing filter is logical
Backwash is realized in the line duration control for crossing the pressure difference or 2-4h of control 100-450KPa, by effectively backwashing regeneration, is made
Its simple and stable obtains catalyst underflow liquid.
Embodiment 10
The cleaning treatment system of the present embodiment acrylonitrile installation sulphur ammonium waste liquid is on the basis of embodiment 1:
Pressure controllable in the feed surge tank is made as 50-100KPag.In addition, the pressure in the catalyst underflow slot
Power is also controllable to 50-100KPag.The present embodiment is made by the control of pressure in feed surge tank and/or catalyst underflow slot
The organic matter that low boiling point easily polymerize drains into torch by exhaust pipe a, sufficiently deaerates, and it is useless effectively to purify the sulphur ammonium containing catalyst
Liquid.
Embodiment 11
It of courses, embodiment 1-10 can also be carried out to any combination to obtain new embodiment, such as by embodiment 1-
10 whole combinations obtain the cleaning treatment system of the acrylonitrile installation sulphur ammonium waste liquid of the present embodiment, in conjunction with Fig. 2, comprising:
Feed surge tank 1, for accepting the sulphur ammonium waste liquid of upstream；1 top of feed surge tank is also connected with for taking off
The exhaust pipe a of gas；
Filter 3 is connected to, for filtering in waste liquid with the bottom of the feed surge tank 1 by filter feed pump 2
Catalyst granules；The filter top is also connected with liquid pipe b after filter；
Catalyst underflow slot 4, is connected to the bottom of the filter, for carrying out concentration to filtered waste liquid；
Also, the catalyst underflow slot is also connected with the exhaust pipe；
Slag drying machine 6 is connected to, after to concentration and degassing with the catalyst underflow slot 4 by slag drying machine feed pump 5
Underflow is carried out dehydrating；Waste liquid outlet is additionally provided on the slag drying machine；
Dry slag waste liquid tank 7 is connect with the waste liquid outlet of the slag drying machine 6, for receiving the waste liquid of slag drying machine generation；
Subsider 9 is connected to by subsider feed pump 8 with the dry slag waste liquid tank 7, and the top of the subsider connects all the way
Feed channel of running in a, another way are connected to by clear liquid pump 10 with liquid pipe b after the filter on filter；The underflow at 9, the subsider bottom
Liquid is connected to slag drying machine 6.
Certainly, also whether optional set is connected (in attached drawing 2 with exhaust pipe a for slag drying machine 6 therein and/or dry slag waste liquid tank 7
What is provided is connected situation).
The cleaning treatment system of the acrylonitrile installation sulphur ammonium waste liquid of the present embodiment, can carry out following concrete application:
S1, upstream containing 1~10g/L of catalyst, feeding temperature be 70-95 DEG C be preferably 80 DEG C, feed pressure 200-
500KPag is preferably that the sulphur ammonium waste liquid of 300KPa enters in feed surge tank 1, and pressure drops to 50- in feed surge tank 1
100KPag is preferably 50KPag, and the organic matter that low boiling point easily polymerize drains into torch by exhaust pipe a, and sulphur ammonium is useless after degassing
Liquid is delivered to filter 3 by filter feed pump 2；
0.5 μm of filtering accuracy of S2, filter 3, sulphur ammonium waste liquid pass through the filtering of filter 3, remove the catalysis in waste liquid
Agent particle, filtered waste liquid catalyst content are less than 10mg/l, and liquid pipe b is sent to sulphur ammonium concentration after filtering；
S3, filter 3 by filtration pressure difference 100-450KPa be preferably 200KPa or line duration be preferably 2hr control into
Row backwash regeneration, obtains catalyst underflow liquid；
S4, catalyst underflow liquid is sent to catalyst underflow slot 4, slag drying machine is then delivered to by slag drying machine feed pump 5
6；
S5, catalyst underflow liquid obtain catalyst cake after dehydrating in slag drying machine 6, send processing outside；
The waste water that S6, dry slag generate is sent to dry slag waste liquid tank 7, and is delivered to the progress of subsider 9 by subsider feed pump 8
Sedimentation；In order to improve effect of settling and sinking speed, flocculant is added into subsider 9 by chemicals dosing plant；
S7,9 bottom of subsider underflow liquid send to slag drying machine 6；
Pressure is 50KPag in S8, control settlement slot, is further vented, and the clear liquid on 9 top of subsider passes through clear after degassing
Sulphur ammonium waste liquid is sent after merging to sulphur ammonium concentration after the filter that liquid pipe b is discharged after the pumping of liquid pump 10 is filtered with filter 3.
It should be noted that above-described embodiment can be freely combined as needed, for other numerous combinations, herein not
It repeats one by one again.The above is only the preferred embodiment of the utility model, it is noted that for the common of the art
For technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvement
It also should be regarded as the protection scope of the utility model with retouching.
Claims (10)
1. a kind of cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid characterized by comprising
Feed surge tank, for accepting the sulphur ammonium waste liquid of upstream；Feed surge tank top is also connected with the row for degassing
Feed channel；
Filter is connected to, for filtering the catalyst granules in waste liquid with the feed surge tank；The filter top also connects
It is connected to liquid pipe after filtering；
Catalyst underflow slot, is connected to the filter, for carrying out concentration to filtered waste liquid；Also, it is described to urge
Agent underflow slot is also connected with the exhaust pipe；
Slag drying machine is connected to the catalyst underflow slot, for being carried out dehydrating to the underflow after concentration and degassing；It is described dry
Waste liquid outlet is additionally provided on slag machine；
Subsider is connected to, after the filter in the upper clear supernate and filter of the subsider with the waste liquid outlet of the slag drying machine
The underflow liquid of liquid pipe connection, the sedimentation trench bottom is connected to slag drying machine.
2. the cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid according to claim 1, which is characterized in that further include:
Filter feed pump, be arranged between the feed surge tank and filter, and respectively with the feed surge tank and filter
Connection, for the waste liquid in the feed surge tank to be delivered in filter.
3. the cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid according to claim 1, which is characterized in that further include:
Slag drying machine feed pump, be arranged between the catalyst underflow slot and slag drying machine, and respectively with catalyst underflow slot and slag drying machine
Connection, for the underflow liquid in the catalyst underflow slot to be delivered to slag drying machine.
4. the cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid according to claim 1, which is characterized in that further include:
Dry slag waste liquid tank is arranged between the slag drying machine and subsider, and the dry slag waste liquid tank is arranged with the waste liquid of slag drying machine respectively
Outlet is connected with subsider, for receiving the waste liquid of slag drying machine generation.
5. the cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid according to claim 4, which is characterized in that the dry slag
Machine and/or dry slag waste liquid tank and/or subsider are connected to the exhaust pipe.
6. the cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid according to claim 1, which is characterized in that further include:
Subsider feed pump, setting connect with dry slag waste liquid tank and subsider between dry slag waste liquid tank and subsider, and respectively, are used for
Waste water in the dry slag waste liquid tank is delivered to subsider.
7. the cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid according to claim 1, which is characterized in that further include:
Clear liquid pump, setting are connect respectively after subsider and filter between liquid pipe with subsider with liquid pipe after filter, and being used for will be in subsider
Obtained clear liquid is delivered to liquid pipe after filter.
8. the cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid according to claim 1, it is characterised in that: further include:
Chemicals dosing plant is exported towards subsider, for adding flocculant in the waste liquid into slot.
9. the cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid according to claim 1, it is characterised in that: the filtering
Device uses filtering accuracy for 0.5-5 μm of automatic backwashing filter；The automatic backwashing filter passes through control 100-
Backwash is realized in the line duration control of the pressure difference or 2-4h of 450KPa.
10. the cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid according to claim 1, it is characterised in that: it is described into
Expect that the pressure control in surge tank is 50-100KPag；
And/or；
Pressure control in the catalyst underflow slot is 50-100KPag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821634552.8U CN209024303U (en) | 2018-10-09 | 2018-10-09 | The cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821634552.8U CN209024303U (en) | 2018-10-09 | 2018-10-09 | The cleaning treatment system of acrylonitrile installation sulphur ammonium waste liquid |
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| CN209024303U true CN209024303U (en) | 2019-06-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330035A (en) * | 2019-08-13 | 2019-10-15 | 青岛哈工资源环境技术有限公司 | System for recycling ammonium sulfate and organic matter in evaporation concentrated solution of acrylonitrile dilute ammonium sulfate solution and using method thereof |
-
2018
- 2018-10-09 CN CN201821634552.8U patent/CN209024303U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330035A (en) * | 2019-08-13 | 2019-10-15 | 青岛哈工资源环境技术有限公司 | System for recycling ammonium sulfate and organic matter in evaporation concentrated solution of acrylonitrile dilute ammonium sulfate solution and using method thereof |
| CN110330035B (en) * | 2019-08-13 | 2022-05-13 | 青岛哈工资源环境技术有限公司 | System for recycling ammonium sulfate and organic matter in evaporation concentrated solution of acrylonitrile dilute ammonium sulfate solution and using method thereof |
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