CN209010288U - Aged resin wastewater treatment and recovery system in epoxy resin production process - Google Patents
Aged resin wastewater treatment and recovery system in epoxy resin production process Download PDFInfo
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- CN209010288U CN209010288U CN201821602533.7U CN201821602533U CN209010288U CN 209010288 U CN209010288 U CN 209010288U CN 201821602533 U CN201821602533 U CN 201821602533U CN 209010288 U CN209010288 U CN 209010288U
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Abstract
The utility model discloses aged resin wastewater treatment and recovery systems in epoxy resin production process, compression set is precipitated including aged resin, solvent extraction device, precipitating compression set includes settling tank, centrifugal pump, screw pump, plate and frame filter press, settling tank import is connect with outlet of centrifugal pump, centrifugal pump inlet is connect with waste water container, flocculant, which is equipped with, in outlet of centrifugal pump pipeline fills pipeline, valve is equipped on flocculant filling pipeline, flocculant filling pipeline is connect with polyacrylamide solution container, metering pump is equipped on flocculant filling pipeline, metering pump and the settling tank top are equipped with overflow weir, clear water effuser on the outside of overflow weir is connect with settling tank, it precipitates pot bottom and is equipped with discharge gate, discharge gate is connect with drainage conduit, drainage conduit is connect with sludge sump, screw pump side is connect by pipeline with sludge sump, screw pump is another Side is connect with plate and frame filter press.The utility model solves the problems, such as that the aged resin of toluene processing is tacky, the epoxy resin rate of recovery is low.
Description
Technical field
The utility model relates to the technical field of waste water processing of epoxy resin production more particularly to a kind of productions of epoxy resin
Aged resin wastewater treatment and recovery system in the process.
Background technique
Epoxy resin is that a kind of bisphenol-A two generated under conditions of basic catalyst by bisphenol-A and epoxychloropropane contracts
Water glycerin ether has aged resin in production water-washing process and is precipitated, in the prior art using the solvent first of purification epoxy resin
Benzene comes from aged resin Wastewater by Solvent Extraction epoxy resin, the epoxy resin yellowish of extraction, and aged resin is tacky and epoxy
The problem that the resin rate of recovery is low, energy consumption is high.
Utility model content
In order to overcome above-mentioned disadvantage of the existing technology, the utility model aim is to propose that a kind of epoxy resin produced
Aged resin wastewater treatment and recovery system in journey；The utility model by aged resin device repacking and solvent complex, effectively
It solves the problems, such as that the aged resin of toluene processing is tacky, the epoxy resin rate of recovery is low, and the low boiling point of double solvents, saves
Energy consumption needed for solvent distillation has economic value and extensive market application prospect.
The technical solution adopted by the utility model to solve its technical problems is that:
Aged resin wastewater treatment and recovery system in a kind of epoxy resin production process, including aged resin precipitating compression dress
It sets, aged resin solvent extraction device, wherein aged resin precipitating compression set includes settling tank, centrifugal pump, screw pump, sheet frame
Filter press, the settling tank import are connect by pipeline with outlet of centrifugal pump, and centrifugal pump inlet is connected by pipeline and waste water container
It connects, is equipped with the flocculant being connected in outlet of centrifugal pump pipeline and fills pipeline, be equipped with valve, flocculation on flocculant filling pipeline
Agent filling pipeline is connect with polyacrylamide solution container, is equipped with metering pump on flocculant filling pipeline, metering pump passes through pipe
Line and the settling tank top are equipped with overflow weir, and the clear water effuser on the outside of overflow weir is connect with settling tank, and precipitating pot bottom is set
There is discharge gate, discharge gate is connect with drainage conduit, is equipped with blow-off valve in drainage conduit, drainage conduit is connect with sludge sump, screw pump side
It is connect by pipeline with sludge sump, the screw pump other side is connect with plate and frame filter press.
The aged resin solvent extraction device includes aged resin processing kettle, recycling water pot, and aged resin handles bottom
Portion is equipped with discharge outlet, and discharge outlet is connect by pipeline with centrifuge；Aged resin handles kettle top and is equipped with feed inlet, high-temperature steam
Inlet port, toluene overflow port, feed inlet are connect with water inlet pipe, toluene feed pipe respectively by pipeline, and hot water or tap water are logical
Water inlet injection is crossed, toluene overflow port is connect by the overflow valve on pipeline and pipeline with recycling water pot top, at aged resin
Reason kettle top is additionally provided with condenser connector, and condenser connector is connect by pipeline with condenser inlet, condensator outlet and
Recycle the connection of water pot top.
Recycle-water pot bottom water outlet is connect by pipeline and water pump with feed inlet, and recycling water pot top passes through pipeline and valve
Door is connect with aged resin processing kettle top water outlet.
Aged resin handles kettle and is equipped with transparent windows close to upper position.
The recycling water pot top, feed inlet are connected by the water outlet of pipeline and refining kettle, are connect with exit of pump
The water inlet for being discharged pipeline and refining kettle connects, and recycle-water pot bottom water outlet goes wastewater disposal basin to be processed, in addition returns by pipeline
Receipts water pot top can also cut water pipeline with de- benzene kettle and connect.
The beneficial effects of the utility model are:
1. the aging tree that the aged resin wastewater treatment and recovery system of the utility model can effectively solve the problem that toluene processing
The problem that rouge is tacky, the epoxy resin rate of recovery is low has saved the energy consumption of solvent distillation due to the low boiling point of double solvents, reduces
The discharge of VOCs reduces the generation etc. of dangerous waste aged resin, has economic value and extensive market application prospect.
2. using aged resin wastewater treatment and recovery system in the utility model point epoxy resin production process, aged resin
Recovery efficiency is high, and wastewater treatment rate is high, and waste water, treated water and heat utilization rate are high, reduces the cost of wastewater treatment, mentions
High whole economic efficiency.
3. by the utility model by aged resin it is washed after starting stirring be continuously heating to 95 DEG C or so, heating it is same
When the straight steam on aged resin kettle is opened to setting position to accelerate to steam toluene, open bottom valve will it is processed always
Change resin band water be at the uniform velocity put into centrifuge separation, the separation phase later period close stirring, prevent idle running damage from stirring, after close
Bottom valve.Aperture be without toluene or steam outlet at condenser emptying above aged resin kettle it is suitable, avoid direct-flow steam from opening
Aged resin in kettle is easily pressed into blockage of condenser condenser caused by too much, a large amount of toluene, which are discharged into atmosphere, causes yard
Institute's air pollution, or even bring fire safety evaluating hidden danger, and the problem of increase toluene loss, when temperature rise to 95 DEG C or so and from
The water that bottom valve is released, which does not have toluene smell to be then considered as piptonychia benzene, to be terminated, and aged resin can be discharged.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is aged resin solvent extraction apparatus structure schematic diagram.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution in the utility model, below in conjunction with this reality
With the attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that
The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.In outlet of centrifugal pump pipe
Line is equipped with the flocculant filling pipeline being connected,
Embodiment 1
In conjunction with Fig. 1, Fig. 2, aged resin wastewater treatment and recovery system in a kind of epoxy resin production process, including aging tree
Rouge precipitate compression set 1, aged resin solvent extraction device 3, wherein aged resin precipitating compression set include settling tank 11, from
Heart pump 12, screw pump 17, plate and frame filter press 18,11 import of settling tank are connected by pipeline and the outlet of centrifugal pump 12, centrifugation
It pumps 12 imports to connect by pipeline with waste water container 19, is equipped with the flocculant being connected in outlet of centrifugal pump pipeline and fills pipeline,
Valve is equipped on flocculant filling pipeline.Flocculant filling pipeline is connect with polyacrylamide solution container 21, in flocculant
It fills pipeline and is equipped with metering pump 20, metering pump 20 is equipped with overflow weir 14, overflow weir by pipeline and 11 top of settling tank
The clear water effuser 13 in 14 outsides is connect with settling tank 11, and precipitating pot bottom is equipped with discharge gate, and discharge gate is connect with drainage conduit 15,
It is equipped with blow-off valve in drainage conduit, drainage conduit is connect with sludge sump 16, and 17 side of screw pump is connect by pipeline with sludge sump, screw rod
The pump other side is connect with plate and frame filter press 18.
The aged resin solvent extraction device includes aged resin processing kettle 31, recycling water pot 32, aged resin processing
Bottom portion is equipped with discharge outlet, and discharge outlet is connect by pipeline with centrifuge 36；Aged resin handle kettle top be equipped with feed inlet 44,
High-temperature steam inlet port 42, toluene overflow port 39, feed inlet are connect with water inlet pipe 34, toluene feed pipe 35 respectively by pipeline,
Hot water or tap water are injected by water inlet, and toluene overflow port 39 passes through the overflow valve and recycling water pot 32 on pipeline and pipeline
Top connection, aged resin processing kettle top are additionally provided with condenser connector, and condenser connector passes through pipeline and condenser 33
Import connection, condensator outlet are connect with recycling 32 top of water pot.
Recycling 32 bottom water outlet of water pot is connect by pipeline and water pump 41 with feed inlet, and recycling water pot top passes through pipeline
And valve is connect with aged resin processing kettle top water outlet 40.
Aged resin handles kettle and is equipped with transparent windows 43 close to upper position.
In addition recycling 32 top of water pot, feed inlet 44 can be connect by pipeline with the water outlet of refining kettle 46, with water pump
The water outlet pipeline of 41 outlet connections can be connect with the water inlet of refining kettle.In addition recycling 32 bottom water outlet of water pot passes through pipeline
It can directly go wastewater disposal basin 45 to be processed.In addition recycling 32 top of water pot can also cut water pipeline 37 with de- benzene kettle and connect.
In use, aged resin processing kettle 3~4 batches of aged resins of every reception or liquid level reach 1000mm or more will and
When do.Aged resin handles whether kettle closes into inspection bottom valve before aged resin, prevents from leaking out.Check that related valve keeps correct
Switch state, prevent from building the pressure or leaking in kettle.Aged resin, organic solvent, resin is forbidden to flow into trench in treatment process.
In use, waste water by pipe-line mixer is squeezed into vertical-flow settling tank by centrifugal pump by waste water, by with from
The polyacrylamide solution prepared is passed through metering pump as flocculant by the flocculant filling pipeline that heart pump outlet line is connected
It is proportionally added into waste water, waste water precipitates in settling tank, and clear water flows out clear water from defeated stream tank overflow weir, the aging after precipitating
Resin is emitted into sludge sump by settling tank bottom discharging mouth, and aged resin in sludge sump is delivered to plate compression by screw pump
Machine carries out subsequent processing after being compressed into filter cake；Be compressed into filter cake aged resin be added solvent, heating stirring to sufficiently it is molten
Solution, static layering are recycled in the boiling temperature distillation of solvent, gained solvent, and the epoxy resin of recycling is as finished product.
The utility model is by efficiently solving the aging tree of toluene processing to the repacking of aged resin device and solvent complex
The problem that rouge is tacky, the epoxy resin rate of recovery is low, and the low boiling point of double solvents have saved the energy consumption of solvent distillation, reduce
The discharge of VOCs reduces the generation etc. of dangerous waste aged resin, has economic value and extensive market application prospect.
Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The range of the utility model protection all should belong in every other embodiment obtained.
Claims (5)
1. aged resin wastewater treatment and recovery system in a kind of epoxy resin production process, characterized in that heavy including aged resin
Shallow lake compression set, aged resin solvent extraction device, wherein aged resin precipitating compression set includes settling tank, centrifugal pump, spiral shell
Bar pump, plate and frame filter press, the settling tank import are connect by pipeline with outlet of centrifugal pump, and centrifugal pump inlet is by pipeline and gives up
Water container connection is equipped with the flocculant being connected in outlet of centrifugal pump pipeline and fills pipeline, is equipped on flocculant filling pipeline
Valve, flocculant filling pipeline are connect with polyacrylamide solution container, are equipped with metering pump, metering on flocculant filling pipeline
Pump is equipped with overflow weir by pipeline and the settling tank top, and the clear water effuser on the outside of overflow weir is connect with settling tank, precipitates
Pot bottom is equipped with discharge gate, and discharge gate is connect with drainage conduit, is equipped with blow-off valve in drainage conduit, drainage conduit is connect with sludge sump, spiral shell
Bar pump side is connect by pipeline with sludge sump, and the screw pump other side is connect with plate and frame filter press.
2. aged resin wastewater treatment and recovery system in epoxy resin production process as described in claim 1, characterized in that institute
Stating aged resin solvent extraction device includes aged resin processing kettle, recycling water pot, and aged resin handles bottom portion and is equipped with draining
Mouthful, discharge outlet is connect by pipeline with centrifuge；Aged resin handles kettle top and is equipped with feed inlet, high-temperature steam inlet port, first
Benzene overflow port, feed inlet are connect with water inlet pipe, toluene feed pipe respectively by pipeline, and hot water or tap water are infused by water inlet
Enter, toluene overflow port is connect by the overflow valve on pipeline and pipeline with recycling water pot top, and aged resin handles kettle top also
Equipped with condenser connector, condenser connector is connect by pipeline with condenser inlet, on condensator outlet and recycling water pot
Portion's connection.
3. aged resin wastewater treatment and recovery system in epoxy resin production process as claimed in claim 2, characterized in that return
It receives water pot bottom water outlet to connect by pipeline and water pump with feed inlet, recycling water pot top passes through pipeline and valve and aging tree
Rouge handles the connection of kettle top water outlet.
4. aged resin wastewater treatment and recovery system in epoxy resin production process as claimed in claim 2, characterized in that old
Change resin treatment kettle and is equipped with transparent windows close to upper position.
5. aged resin wastewater treatment and recovery system in epoxy resin production process as claimed in claim 2, characterized in that institute
State recycling water pot top, feed inlet is connected by the water outlet of pipeline and refining kettle, the water outlet pipeline that connect with exit of pump and
The water inlet of refining kettle connects, and recycle-water pot bottom water outlet goes wastewater disposal basin to be processed by pipeline, in addition recycles water pot top
Water pipeline can also be cut with de- benzene kettle to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821602533.7U CN209010288U (en) | 2018-09-29 | 2018-09-29 | Aged resin wastewater treatment and recovery system in epoxy resin production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821602533.7U CN209010288U (en) | 2018-09-29 | 2018-09-29 | Aged resin wastewater treatment and recovery system in epoxy resin production process |
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| CN209010288U true CN209010288U (en) | 2019-06-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109110975A (en) * | 2018-09-29 | 2019-01-01 | 山东天茂新材料科技股份有限公司 | Aged resin wastewater treatment and recovery system and method in epoxy resin production process |
-
2018
- 2018-09-29 CN CN201821602533.7U patent/CN209010288U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109110975A (en) * | 2018-09-29 | 2019-01-01 | 山东天茂新材料科技股份有限公司 | Aged resin wastewater treatment and recovery system and method in epoxy resin production process |
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