CN209583827U - A kind of Sucralose waste water pretreatment system - Google Patents
A kind of Sucralose waste water pretreatment system Download PDFInfo
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- CN209583827U CN209583827U CN201822074338.8U CN201822074338U CN209583827U CN 209583827 U CN209583827 U CN 209583827U CN 201822074338 U CN201822074338 U CN 201822074338U CN 209583827 U CN209583827 U CN 209583827U
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Abstract
The utility model belongs to technical field of waste water processing, and in particular to a kind of Sucralose waste water pretreatment system, including the first preprocessing subsystem for removing organic matter, polycondensation reaction occurs at 180-220 DEG C or more for the organic matter, generates waste residue；The pretreatment system further includes the second preprocessing subsystem for carrying out catalysis oxidation to the treatment fluid being discharged from the first preprocessing subsystem；First preprocessing subsystem is connected by pipeline with the second preprocessing subsystem, and first preprocessing subsystem is equipped with Sucralose waste water inlet, and second preprocessing subsystem is equipped with outlet.The beneficial effects of the utility model are: the utility model cooperates the method for flash distillation to add thermogenetic polycondensation reaction to fulfil ahead of schedule waste liquid again using sectional steaming heating, the waste residue generated is avoided to attach to catalytic oxidation tower inner wall of the pipe, it can effectively prevent blocking, can achieve the effect of permanent stable operation.
Description
Technical field
The utility model belongs to technical field of waste water processing, and in particular to a kind of Sucralose waste water pretreatment system.
Background technique
Sucralose is uniquely using sucrose as the functional sweetener of raw material, and sugariness is up to 600 times of sucrose.This sweetener
The features such as with noenergy, sugariness is high, and sweet taste is pure, highly safe.It is one of current classic functional sweetener.
The waste water generated in the production process of Sucralose is often high concentration, amount with high salt, difficult to degrade, and it is high to contain ring class
The organic wastewater of molecular contaminants, open loop chain rupture and degradation treatment are all more difficult, if pretreatment cannot reach effect, to subsequent
Biochemical treatment bring biggish difficulty, or even water outlet can be not up to standard.Wet raw noodles are useless for processing Sucralose
Water effect is very considerable, hence it is evident that is better than other advanced oxidation processes.
But polycondensation reaction can occur when water temperature rises to 180 DEG C or more for the organic pollutant in Sucralose production waste water
To generate a large amount of waste residues, and these waste residues can attach to catalytic oxidation tower inner wall of the pipe and progressive additive, and then cause
Heat exchanger, pipeline etc. usually block, and equipment can not be run steadily in the long term.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of Sucralose waste water pretreatment system, is being catalyzed
The easy organic matter that polycondensation reaction occurs is removed before oxidation, the waste residue generated is avoided to attach in catalytic oxidation tower tube road
Wall can effectively prevent blocking.
The utility model provides the following technical solution:
A kind of Sucralose waste water pretreatment system, it is described including the first preprocessing subsystem for removing organic matter
First preprocessing subsystem is equipped with Sucralose waste water inlet, occurs into the organic matter in first preprocessing subsystem
Polycondensation reaction generates waste residue；The pretreatment system further include for from the treatment fluid that the first preprocessing subsystem is discharged into
Second preprocessing subsystem of row catalysis oxidation, first preprocessing subsystem pass through pipeline and the second preprocessing subsystem phase
Connection, second preprocessing subsystem are equipped with outlet.
Preferably, first preprocessing subsystem include logical raw water slot is sequentially connected by pipeline, multistage pressure adds
Hot device one, batch condensation polymerization reactor, flash tank one, cooling slot one, filter press one and treatment fluid collecting tank, the raw water slot are equipped with three
Chlorine sucrose waste water inlet, the treatment fluid collecting tank are connected by pipeline with the second preprocessing subsystem.
Preferably, the ammonium hydroxide for being adjusted to neutrality Sucralose wastewater pH in raw water slot is equipped in the system；
The multistage pressure heater one includes at least the two-stage pressure heater being connected with each other by pipeline, wherein first
Stage pressure heater is low-pressure heater one of the pressure in 0.2-0.4Mpa, temperature at 120-140 DEG C, second level pressure heater
High-pressure heater one for pressure in 0.8-1.2Mpa, temperature at 180-200 DEG C, the low-pressure heater one, high-pressure heater
It is equipped with the vapor inlet port being connected with steam-out (SO) on one and is heated by steam, the low-pressure heater one passes through
Pipeline is connected with raw water slot, and the high-pressure heater one is connected by pipeline with batch condensation polymerization reactor.
Preferably, second preprocessing subsystem include be sequentially connected by pipeline logical multistage pressure heater two,
Catalytic oxidation tower, flash tank two, cooling slot two, filter press two and collecting tank, the multistage pressure heater pass through pipeline
It is connected with the first preprocessing subsystem or treatment fluid collecting tank, the collecting tank is equipped with outlet.
Preferably, the multistage pressure heater two includes at least the two-stage pressure heating for being connected with each other logical by pipeline
Device, wherein first order pressure heater is low-pressure heater two of the pressure in 0.2-0.4Mpa, temperature at 120-140 DEG C, the
Secondary pressure heater is high-pressure heater two of the pressure in 0.8-1.2Mpa, temperature at 180-200 DEG C, and the low pressure adds
Hot device two is connected by pipeline with the first preprocessing subsystem or treatment fluid collecting tank, and the high-pressure heater two passes through pipeline
It is connected with catalytic oxidation tower.
The beneficial effects of the utility model are:
1, the utility model cooperates the method for flash distillation that waste liquid is added thermogenetic polycondensation reaction again using sectional steaming heating
It fulfils ahead of schedule, then is separated the waste residue that polycondensation reaction generates from waste liquid by the method for cooling, filters pressing, separate
Clear liquid carries out catalytic wet oxidation again, and the waste residue generated is avoided to attach to catalytic oxidation tower inner wall of the pipe, can be effective
It prevents from blocking, can achieve the effect of permanent stable operation.
2, the utility model separates the larger molecular organics that polycondensation reaction is generated in waste liquid, using catalytic wet
Oxidation can greatly improve catalytic wet oxidation system equipment service life, reduce maintenance cost.
3, the utility model is heated using low-pressure steam and high pressure steam heating is used in combination, and segmentally heating makes steam sharp
It is substantially improved with efficiency, reduces operating cost.
4, the utility model is heated using steam, accomplishes sufficiently to disturb to the waste liquid in heating process, and then prevent glutinous
Property waste residue has an impact preprocessing process.
Detailed description of the invention
Fig. 1 is the first preprocessing subsystem and the second preprocessing subsystem annexation figure；
Fig. 2 is the structural schematic diagram of Sucralose waste water pretreatment system.
Attached meaning marked in the figure is as follows:
1- the first preprocessing subsystem 11- raw water slot 12- low-pressure heater one 13- high-pressure heater, one 14- polycondensation is anti-
Answer one 16- of kettle 15- flash tank cooling one 17- filter press of slot, one 18- treatment fluid collecting tank
Two 22- high-pressure heater of 2- the second preprocessing subsystem 21- low-pressure heater, two 23- catalytic oxidation tower
Two 25- of 24- flash tank cooling two 26- filter press of slot, two 27- collecting tank
Specific embodiment
The utility model is illustrated combined with specific embodiments below.
Embodiment 1
As shown in Figure 1, a kind of Sucralose waste water pretreatment system, including the first pretreatment for removing organic matter
System 1, first preprocessing subsystem 1 is equipped with Sucralose waste water inlet, into first preprocessing subsystem 1
Organic matter occur polycondensation reaction, generate waste residue；The pretreatment system further includes for from 1 row of the first preprocessing subsystem
Treatment fluid out carries out the second preprocessing subsystem 2 of catalysis oxidation, and first preprocessing subsystem 1 passes through pipeline and second
Preprocessing subsystem 2 is connected, and second preprocessing subsystem 2 is equipped with outlet.
Embodiment 2
On the basis of embodiment 1, as shown in Fig. 2, first preprocessing subsystem includes being sequentially connected by pipeline
Logical raw water slot 11, multistage pressure heater one, batch condensation polymerization reactor 14, flash tank 1, cooling slot 1, filter press 1
With treatment fluid collecting tank 18, the raw water slot 11 is equipped with Sucralose waste water inlet, and the treatment fluid collecting tank 18 passes through pipe
Road is connected with the second preprocessing subsystem.
Embodiment 3
On the basis of real-time example 2, as shown in Fig. 2, being equipped in the system by Sucralose wastewater pH tune in raw water slot 11
It saves to neutral ammonium hydroxide；
The multistage pressure heater one includes at least the two-stage pressure heater being connected with each other by pipeline, wherein first
Stage pressure heater is low-pressure heater one 12 of the pressure in 0.3Mpa, temperature at 130 DEG C, and second level pressure heater is pressure
It is all provided on the high-pressure heater 1 of 1.0Mpa, temperature at 190 DEG C, the low-pressure heater 1, high-pressure heater 1
Have the vapor inlet port being connected with steam-out (SO) and heated by steam, the low-pressure heater 1 by pipeline with
Raw water slot 11 is connected, and the high-pressure heater 1 is connected by pipeline with batch condensation polymerization reactor 14.
Embodiment 4
On the basis of real-time example 3, the temperature that the batch condensation polymerization reactor carries out polycondensation reaction is 180 DEG C, and pressure is
1.0Mpa, reaction time 45min.
Embodiment 5
On the basis of embodiment any one of 1-4, as shown in Figure 1, 2, second preprocessing subsystem 2 includes passing through pipe
Road is sequentially connected logical multistage pressure heater two, catalytic oxidation tower 23, flash tank 2 24, cooling slot 2 25, filter press
2 26 and collecting tank 27, the multistage pressure heater passes through pipeline and the first preprocessing subsystem 1 or treatment fluid collecting tank 18
It is connected, the collecting tank 27 is equipped with outlet.
Embodiment 6
On the basis of real-time example 5, the multistage pressure heater two is included at least to be connected with each other logical two by pipeline
Stage pressure heater, wherein first order pressure heater is low-pressure heater two of the pressure in 0.3Mpa, temperature at 130 DEG C
21, second level pressure heater is high-pressure heater two 22 of the pressure in 1.0Mpa, temperature at 190 DEG C, the low-pressure heating
Device 2 21 is connected by pipeline with the first preprocessing subsystem 1 or treatment fluid collecting tank 18, and the high-pressure heater 2 22 is logical
Pipeline is crossed to be connected with catalytic oxidation tower 23.
Embodiment 7
On the basis of real-time example 6, the catalytic oxidation tower is using Wet Catalytic Oxidation Method to Sucralose waste water
Carry out catalysis oxidation；
Catalyst used by the Wet Catalytic Oxidation Method is prepared via a method which,
S1, the polystyrene microsphere aqueous solution for being 3%-5% by mass fraction and graphene oxide are according to weight ratio
It 100:(1-10) mixes, uniform stirring 20-60min, it is dry at 100-120 DEG C, obtain product A；
S2, nickel, palladium, silver, platinum and gold are calcined into 2h under 800 DEG C, condition of nitrogen gas according to weight ratio 1:2:3:1:1, obtained
Product B；
S3, by product A, product B according to weight ratio 1:(3-5) after evenly mixing, obtain the catalyst.
Polystyrene microsphere aqueous solution and the product A of graphene oxide preparation are the Non-metallic components with catalytic activity,
It increases electrochemistry specific surface area with classifying porous structure, micropore and meso-hole structure therein, and macroporous structure is easy to react
The transmission of object and product；Nickel, palladium, silver, platinum and the product B of gold preparation are with catalytically-active metal component, and utility model people will
After the two mixing, it is found that its catalytic performance produces great raising, at this moment due to that can be distributed with catalytically-active metal component
Above-mentioned micropore and it is mesoporous in, significantly increase the contact area of catalytic oxidation.
The pretreatment system workflow of the utility model is as follows:
Sucralose produces waste water COD=150000mg/L, B/C < 0.2, initially enters raw water slot 11, and ammonium hydroxide tune is added
It saves pH to 7.0 and enters back into hyperbaric heating reactor then via being preheated in plunger pump to low-pressure heating reactor 12
The heating of 13 depth, low-pressure heating reactor 12 and high-pressure heater 13 are all 304 stainless steel materials, have pressure gauge, and low pressure adds
The reaction pressure control of thermal reactor in 0.3Mpa, reaction temperature control at 110 DEG C, the 13 reaction pressure control of hyperbaric heating reactor
System is heated in 1.0Mpa, reaction temperature control at 190 DEG C, and in a manner of being passed through steam, and the disturbance of steam can prevent waste water from existing
A large amount of waste residues that this section generates are attached to equipment surface, are heated to 170 DEG C；Waste water after heating, which is passed through batch condensation polymerization reactor 14, makes it
In some larger molecular organics polycondensation reaction occurs, the material of batch condensation polymerization reactor 14 is 304 stainless steels, and kettle interior reaction temperature is
170 DEG C, reaction pressure 1.0Mpa, the reaction time is 45 minutes；Flash tank 1, abrupt release pressure are entered by relief valve control again
Power reduces waste liquid boiling point, is conducive to waste residue and separates from waste liquid, and the material of flash tank 1 is 304 stainless steels；After flash distillation
Mixture through cooling slot 1 cool down, cooling slot 1 utilize circulating water cooling；Enter filter press 1 after cooling, after filters pressing
Obtained clear liquid enters treatment fluid collecting tank 18, waste water COD=120000mg/L.
Waste water in treatment fluid collecting tank 18 passes sequentially through low-pressure heater 2 21, high-pressure heater 2 22 via plunger pump
170 DEG C are heated to, wherein the material of low-pressure heater 2 21 is 304 stainless steels, and internal pressure is controlled in 0.3Mpa, hyperbaric heating
The material of device 2 22 is 304 stainless steels, and internal pressure control is Kazakhstan conjunction in 1.0Mpa, the material of catalytic oxidation tower 23
Gold, inside are furnished with 1.5 side's catalyst, and 200-215 DEG C of temperature, outlet pressure 2.5Mpa in tower, dwell time in the tower is 4 hours；
Water outlet enters flash tank 2 24, and abrupt release pressure reduces boiling point；The slot 2 25 that cools down utilizes circulating water cooling；Enter after cooling
Filter press 2 26, the clear liquid obtained after filters pressing enter collecting tank 27.It is discharged COD=60000mg/L, biochemical B/C > 0.4.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (5)
1. a kind of Sucralose waste water pretreatment system, which is characterized in that including the first pretreatment for removing organic matter
System (1), first preprocessing subsystem (1) are equipped with Sucralose waste water inlet, into the first pretreatment subsystem
Polycondensation reaction occurs for the organic matter in system (1), generates waste residue；The pretreatment system further includes for sub from the first pretreatment
The treatment fluid of system (1) discharge carries out the second preprocessing subsystem (2) of catalysis oxidation, first preprocessing subsystem (1)
It is connected by pipeline with the second preprocessing subsystem (2), second preprocessing subsystem (2) is equipped with outlet.
2. a kind of Sucralose waste water pretreatment system according to claim 1, which is characterized in that first pretreatment
Subsystem (1) include be sequentially connected by pipeline logical raw water slot (11), multistage pressure heater one, batch condensation polymerization reactor (14),
Flash tank one (15), cooling slot one (16), filter press one (17) and treatment fluid collecting tank (18), the raw water slot (11) are equipped with
Sucralose waste water inlet, the treatment fluid collecting tank (18) are connected by pipeline with the second preprocessing subsystem (2).
3. a kind of Sucralose waste water pretreatment system according to claim 2, which is characterized in that being equipped in the system will
The ammonium hydroxide that the interior Sucralose wastewater pH of raw water slot (11) is adjusted to neutrality；
The multistage pressure heater one includes at least the two-stage pressure heater being connected with each other by pipeline, wherein first order pressure
Power heater is low-pressure heater one (12) of the pressure in 0.2-0.4Mpa, temperature at 120-140 DEG C, second level pressure heater
High-pressure heater one (13) for pressure in 0.8-1.2Mpa, temperature at 180-200 DEG C, the low-pressure heater one (12), height
The vapor inlet port being connected with steam-out (SO) is equipped in pressure heater one (13) and is heated by steam, the low pressure
Heater one (12) is connected by pipeline with raw water slot (11), and the high-pressure heater one (13) passes through pipeline and polycondensation reaction
Kettle (14) is connected.
4. a kind of Sucralose waste water pretreatment system according to claim 1-3, which is characterized in that described
Two preprocessing subsystems (2) include be sequentially connected by pipeline logical multistage pressure heater two, catalytic oxidation tower (23),
Flash tank two (24), cooling slot two (25), filter press two (26) and collecting tank (27), the multistage pressure heater pass through pipeline
It is connected with the first preprocessing subsystem (1) or treatment fluid collecting tank (18), the collecting tank (27) is equipped with outlet.
5. a kind of Sucralose waste water pretreatment system according to claim 4, which is characterized in that the multistage pressure adds
Hot device two includes at least the two-stage pressure heater for being connected with each other logical by pipeline, and wherein first order pressure heater is pressure
In the low-pressure heater two (21) of 0.2-0.4Mpa, temperature at 120-140 DEG C, second level pressure heater is pressure in 0.8-
The high-pressure heater two (22) of 1.2Mpa, temperature at 180-200 DEG C, the low-pressure heater two (21) are pre- by pipeline and first
Processing subsystem (1) or treatment fluid collecting tank (27) are connected, and the high-pressure heater two (22) passes through pipeline and catalysis oxidation
Reaction tower (23) is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822074338.8U CN209583827U (en) | 2018-12-11 | 2018-12-11 | A kind of Sucralose waste water pretreatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822074338.8U CN209583827U (en) | 2018-12-11 | 2018-12-11 | A kind of Sucralose waste water pretreatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109485179A (en) * | 2018-12-11 | 2019-03-19 | 安徽三江水务工程有限公司 | A kind of Sucralose waste water pretreatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109485179A (en) * | 2018-12-11 | 2019-03-19 | 安徽三江水务工程有限公司 | A kind of Sucralose waste water pretreatment system |
| CN109485179B (en) * | 2018-12-11 | 2024-01-09 | 安徽三江水务工程有限公司 | Sucralose wastewater pretreatment system |
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