CN109704426A - A kind of used cutting liquid and emulsification liquid treating system - Google Patents
A kind of used cutting liquid and emulsification liquid treating system Download PDFInfo
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- CN109704426A CN109704426A CN201910138332.9A CN201910138332A CN109704426A CN 109704426 A CN109704426 A CN 109704426A CN 201910138332 A CN201910138332 A CN 201910138332A CN 109704426 A CN109704426 A CN 109704426A
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- 239000007788 liquid Substances 0.000 title claims abstract description 191
- 238000005520 cutting process Methods 0.000 title claims abstract description 94
- 238000004945 emulsification Methods 0.000 title claims abstract description 20
- 239000000839 emulsion Substances 0.000 claims abstract description 64
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 238000003860 storage Methods 0.000 claims abstract description 38
- 239000002699 waste material Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910001868 water Inorganic materials 0.000 claims abstract description 28
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 239000002351 wastewater Substances 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 11
- 239000008234 soft water Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 239000006096 absorbing agent Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000007865 diluting Methods 0.000 claims description 5
- 238000010790 dilution Methods 0.000 claims description 5
- 239000012895 dilution Substances 0.000 claims description 5
- 239000007791 liquid phase Substances 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000007792 gaseous phase Substances 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 20
- 230000008569 process Effects 0.000 abstract description 12
- 230000009467 reduction Effects 0.000 abstract description 10
- 239000002480 mineral oil Substances 0.000 abstract description 9
- 235000010446 mineral oil Nutrition 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 8
- 239000013043 chemical agent Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000002440 industrial waste Substances 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 239000002173 cutting fluid Substances 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000001804 emulsifying effect Effects 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000012958 reprocessing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000007701 flash-distillation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 238000009284 supercritical water oxidation Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The present invention provides a kind of used cutting liquid and emulsification liquid treating systems, belong to industrial wastes processing technology field, including the first storage tank for storing high heating value waste liquid；For storing the second storage tank of used cutting liquid and emulsion；The agitator tank for being connected to the upper layer discharge port of the discharge port of the first storage tank and the second storage tank and being stirred high heating value waste liquid and used cutting liquid and emulsion；The surge tank being connected to the discharge port of the agitator tank；It overcritical water oxidization reactor and is connected to the discharge port of the surge tank by the high-pressure pump of mixing liquid pressurized delivered to overcritical water oxidization reactor.Present invention process is simple, cost is relatively low, used cutting liquid and the mineral oil on emulsion upper layer are sufficiently mixed by high heating value waste liquid heat exchange viscosity reduction, by high-speed stirred tank and used cutting liquid and emulsion, can simultaneously mass disposal used cutting liquid and emulsion and its upper layer mineral oil, reduce process, it reprocesses, avoids using excessive chemical agent, processing is more thorough and the period is short without separation.
Description
Technical field
The invention belongs to industrial wastes processing technology fields, are to be related to a kind of used cutting liquid and emulsion more specifically
Processing system.
Background technique
It uses a large amount of cutting fluids and emulsion as lubricating and cooling agent in metal cutting process, cuts after a period of use
Liquid and emulsion can be saponified failure, and the organic pollutant for generating used cutting liquid and emulsion is dense, generally up to 20000~
50000mg/L can not be directly discharged to public sewerage treatment system, need to discharge by processing.
It is many kinds of for the processing technique of used cutting liquid and emulsion at present, it is broadly divided into chemical method, physical method and micro-
Bioanalysis, chemical method need to add medicament to realize precipitating, separation, degradation；Physical method is by various physical means greases
Separation common are film filtering, magnetization method, and the oil isolated mutually goes reuse or burning；Microbial method is mainly for useless cutting
Contain large amount of organic in liquid and emulsion, cultivates suitable bacteria culture and realize the degradation of used cutting liquid and emulsion and divide
Solution.These method and processes are more complex, and medicament, operating cost are higher, and the oily phase (predominantly mineral oil) after settle and separate goes to burn
Furnace burning disposal, lower layer's high concentrated organic wastewater are finally reached by Chemical treatment or microbial degradation, resolution process
It is innoxious.Treating capacity is limited, is suitble to small lot processing.
Summary of the invention
The purpose of the present invention is to provide a kind of used cutting liquid and emulsification liquid treating systems, it is intended to solve current used cutting liquid
And the processing technique complex process of emulsion, higher cost, the limited technical problem for the treatment of capacity.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of used cutting liquid and emulsion processing system are provided
System, comprising:
First storage tank, for storing high heating value waste liquid；
Second storage tank, for storing used cutting liquid and emulsion, top is equipped with upper layer discharge port；
Agitator tank is connected to the upper layer discharge port of the discharge port of first storage tank and second storage tank respectively, is used for
High heating value waste liquid and used cutting liquid and emulsion are stirred；
Surge tank is connected to the discharge port of the agitator tank, for keeping high heating value waste liquid and used cutting liquid and emulsion
Admixture, and for buffering impulse force and pressure in the agitator tank；
Overcritical water oxidization reactor；And
High-pressure pump is connected to the discharge port of the surge tank, for cutting the high heating value waste liquid in the surge tank with useless
The mixing liquid for cutting liquid and emulsion pressurizes and is delivered to the overcritical water oxidization reactor.
Further, for heating up to high heating value waste liquid is successively arranged between first storage tank and the agitator tank
One heat exchanger, first filter and the first metering pump；It is successively arranged between second storage tank and the agitator tank for useless
Cutting fluid and the second heat exchanger, the second filter and the second metering pump of emulsion heating.
Further, further includes:
Thinning tank is connected to, for diluting used cutting liquid and emulsion with the upper layer discharge port of second storage tank；And
Liquid relief pump, for by the thinning tank dilution after used cutting liquid and emulsion be pumped into the agitator tank；
The thinning tank is connected to waste water or soft water pipeline；The first valve is equipped between second storage tank and the agitator tank
Door is equipped with the second valve between the thinning tank and the upper layer discharge port.
Further, the bottom of second storage tank is equipped with bottom layer discharging mouth, the bottom layer discharging mouth and the thinning tank
Connection；Third valve is equipped between the bottom layer discharging mouth and the thinning tank.
Further, it is equipped with the first blender in the agitator tank, the second blender is equipped in the surge tank, it is described dilute
It releases and is equipped with third blender in tank；The revolving speed of first blender is higher than second blender and the third blender
Revolving speed.
Further, further includes: flash tank and dropping equipment, the interior object for completing reaction of the overcritical water oxidization reactor
Material is transported in the flash tank by the dropping equipment and carries out gas-liquid separation.
It further, further include tail gas absorber, the tail gas absorber is connected to the gaseous phase outlet of the flash tank, is used
Sour gas in the gas for absorbing the flash tank release.
It further, further include filter press, the filter press is connected to the liquid-phase outlet of the flash tank, is used for filtered fluid
Solid particulate matter in body.
Further, the liquid-phase outlet of the flash tank is connected to waste water or soft water pipeline.
A kind of used cutting liquid provided by the invention and the beneficial effect for emulsifying liquid treating system are: with prior art phase
Than a kind of used cutting liquid of the present invention and emulsification liquid treating system, simple process, cost is relatively low, will be on used cutting liquid and emulsion
The mineral oil of layer is sufficiently mixed by high heating value waste liquid heat exchange viscosity reduction, by high-speed stirred tank and used cutting liquid and emulsion, high
Oil droplet is thinner under fast stirring, mixes with used cutting liquid and emulsion and more tends to that homogeneously, used cutting liquid and cream can be handled simultaneously
Change liquid and its upper layer mineral oil, reduce process, do not have to separation reprocessing, avoids handling more thorough using excessive chemical agent
And the period is short, it can mass disposal used cutting liquid and emulsion.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of used cutting liquid provided in an embodiment of the present invention and the structural schematic diagram for emulsifying liquid treating system；
In figure: 1, first charging aperture；2, the first storage tank；3, second charging aperture；4, the second storage tank；5, First Heat Exchanger；6,
Second heat exchanger；7, first filter；8, the second filter；9, the first metering pump；10, the second metering pump；11, thinning tank；12,
Agitator tank；13, surge tank；14, the first blender；15, the second blender；16, third blender；17, high-pressure pump；18, surpass and face
Boundary's water oxidation reactor；19, dropping equipment；20, flash tank；21, filter press；22, waste water or soft water pipeline；23, liquid relief pumps；
24, upper layer discharge port；25, bottom layer discharging mouth；26, the first valve；27, the second valve；28, tail gas absorber；29, third valve
Door.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Referring to Fig. 1, existing be illustrated a kind of used cutting liquid provided by the invention and emulsification liquid treating system.Described one
Kind used cutting liquid and emulsification liquid treating system, comprising: the first storage tank 2, for storing high heating value waste liquid；Second storage tank 4, for storing up
Reservation or revocation cutting fluid and emulsion, top are equipped with upper layer discharge port 24；Agitator tank 12, respectively with the discharge port of first storage tank 2
It is connected to the upper layer discharge port of second storage tank 4, for high heating value waste liquid and used cutting liquid and emulsion to be stirred；It is slow
Tank 13 is rushed, is connected to the discharge port of the agitator tank 12, for keeping the mixing of high heating value waste liquid and used cutting liquid and emulsion
State, and for buffering impulse force and pressure in the agitator tank 12；Overcritical water oxidization reactor；And high-pressure pump 17, with
The discharge port of the surge tank 13 is connected to, for by the high heating value waste liquid and used cutting liquid and emulsion in the surge tank 13
Mixing liquid pressurizes and is delivered to the overcritical water oxidization reactor 18.
First storage tank 2 is equipped with first charging aperture 1 and high heating value waste liquid discharge port, and high heating value waste liquid is in industrial production
Some higher dangerous waste liquid of heat content, the second storage tank 4 are equipped with second charging aperture 3 and used cutting liquid and emulsion upper layer discharge port
24, first charging aperture 1 is high heating value waste liquid feed inlet, and second charging aperture 3 is used cutting liquid and emulsion feed inlet, the first storage tank
It is equipped with valve between 2 and agitator tank 12, between the second storage tank 4 and agitator tank 12, needs to carry out used cutting liquid and emulsion
When pretreatment, valve is opened, high heating value waste liquid enters agitator tank 12 with used cutting liquid and emulsion and is sufficiently mixed by stirring
Enter surge tank 13 afterwards, surge tank 13 will be added after mixing liquid holding admixture and compensator or trimmer pressure and impulse force by high-pressure pump 17
It is pressed into overcritical water oxidization reactor 18.
Herein it should be noted that used cutting liquid and emulsion are mixed in proportion with high heating value waste liquid, wherein useless cut
The calorific value for cutting liquid and emulsion is almost nil, mixed liquid calorific value in 4~6MJ/kg, mixed fluid temperature is 50~
60 degree, the overcritical water oxidization reactor feed liquid calorific value of stable operation is controlled can be anti-by itself in 4~6MJ/kg
Heat is answered to continue feed for duration reaction, the liquid of surge tank 13 is forced into 22.1~30MPa by high-pressure pump 17, into supercritical water
Oxidation reactor 18, organic matter and ammonia nitrogen are quickly oxidized to carbon dioxide, water, nitrogen etc. in overcritical water oxidization reactor 18
Innoxious substance.
A kind of used cutting liquid provided by the invention and the beneficial effect for emulsifying liquid treating system are: with prior art phase
Than a kind of used cutting liquid of the present invention and emulsification liquid treating system, simple process, cost is relatively low, will be on used cutting liquid and emulsion
The mineral oil of layer is sufficiently mixed by high heating value waste liquid heat exchange viscosity reduction, by high-speed stirred tank and used cutting liquid and emulsion, high
Oil droplet is thinner under fast stirring, mixes with used cutting liquid and emulsion and more tends to that homogeneously, used cutting liquid and cream can be handled simultaneously
Change liquid and its upper layer mineral oil, reduce process, do not have to separation reprocessing, avoids handling more thorough using excessive chemical agent
And the period is short, it can mass disposal used cutting liquid and emulsion.
As a kind of used cutting liquid provided by the invention and a kind of specific embodiment of liquid treating system is emulsified, is please referred to
Fig. 1, be successively arranged between first storage tank 2 and the agitator tank 12 for high heating value waste liquid heat up First Heat Exchanger 5,
First filter 7 and the first metering pump 9；It is successively arranged between second storage tank 4 and the agitator tank 12 for useless cutting
Liquid and the second heat exchanger 6, the second filter 8 and the second metering pump 10 of emulsion heating can pass through if high heating value waste liquid is thicker
First Heat Exchanger 5 exchanges heat viscosity reduction can be by the second heat exchanger 6 heat exchange viscosity reduction, wherein first if used cutting liquid and emulsion are thicker
High temperature hot steam or high temperature of the heat source of heat exchanger 5 and the second heat exchanger 6 from overcritical water oxidization reactor oxidation generation
Water, it is energy saving by the waste heat secondary use of overcritical water oxidization reactor, save cost；High heating value waste liquid passes through the first mistake
Filter 7 filters out larger particles, used cutting liquid and emulsion and filters out larger particles by the second filter 8；In order to make high fever
It is worth waste liquid and used cutting liquid and the mixed calorific value of emulsion in 4~6MJ/kg, by high heating value waste liquid and used cutting liquid and emulsification
Liquid is transferred in agitator tank 12 in proportion by the first metering pump 9 and the second metering pump 10 respectively, the high-speed stirred in agitator tank 12
Surge tank 13 is transferred to after being sufficiently mixed.
As a kind of used cutting liquid provided by the invention and a kind of specific embodiment of liquid treating system is emulsified, is please referred to
Fig. 1, further includes: thinning tank 11 is connected to, for diluting used cutting liquid and emulsification with the upper layer discharge port 24 of second storage tank 4
Liquid；And liquid relief pump 23, for by the thinning tank dilution after used cutting liquid and emulsion be pumped into the agitator tank 12；It is described
Thinning tank 11 is connected to waste water or soft water pipeline 22；The first valve, institute are equipped between second storage tank 4 and the agitator tank 12
It states and is equipped with the second valve between thinning tank 11 and the upper layer discharge port 24.
In the present embodiment, thinning tank 11 is connected to the discharge port of the second storage tank 4, for diluting used cutting liquid and emulsion；
The entrance of thinning tank is connected to waste water or soft water pipeline 22.If used cutting liquid and emulsion are diluter, do not need to pass through thinning tank
11 add waste water or soft water dilution, are directly passed through second by the second heat exchanger 6 heat exchange viscosity reduction by the discharge of upper layer discharge port 24 and filtered
Device 8 filters out larger particles, then is transferred in agitator tank 12 by the second metering pump 10 and is mixed with high heating value waste liquid, at this time the first valve
Door 26 is opened, and the second valve 27 is closed；If used cutting liquid and emulsion are thicker, thinning tank 11 plus waste water or soft water can be passed through
Dilution, can also be exchanged heat viscosity reduction by the second heat exchanger 6；When through the second heat exchanger 6 heat exchange viscosity reduction, the first valve opening,
Second valve 27 is closed；When being diluted by thinning tank 11, the first valve 26 is closed, and the second valve 27 is opened, thicker useless to cut
It cuts to pump 23 by liquid relief after liquid and emulsion are diluted by thinning tank 11 and produce from thinning tank 11 and be dropped by the second heat exchanger 6
It is viscous, filter out larger particles by the second filter 8, using the second metering pump 10 enter in agitator tank 12 with high heating value waste liquid
Mixing can also be pumped directly into agitator tank 12 and be sufficiently mixed with high heating value waste liquid in high-speed stirred effect.
As a kind of used cutting liquid provided by the invention and a kind of specific embodiment of liquid treating system is emulsified, is please referred to
The bottom of Fig. 1, second storage tank 4 are equipped with bottom layer discharging mouth 25, and the bottom layer discharging mouth 25 is connected to the thinning tank 11；Institute
It states and is equipped with third valve 29 between bottom layer discharging mouth 25 and the thinning tank 11.
In the present embodiment, when used cutting liquid and emulsion lower liquid need to dilute, third valve 29 is opened, lower layer compared with
Thick liquid is entered in thinning tank 11 by bottom layer discharging mouth 25 to be diluted, and the used cutting liquid and emulsion after diluting are pumped by liquid relief
23, it produces from thinning tank 11 by 6 viscosity reduction of the second heat exchanger, larger particles is filtered out by the second filter 8, using second
Metering pump 10 enters in agitator tank 12 to be mixed with high heating value waste liquid, can also be pumped directly into agitator tank 12 with high heating value waste liquid in height
Fast stirring action is sufficiently mixed.
As a kind of used cutting liquid provided by the invention and a kind of specific embodiment of liquid treating system is emulsified, is please referred to
Fig. 1 is equipped with the first blender 14 in the agitator tank 12, is equipped with the second blender 15, the thinning tank in the surge tank 13
Third blender 16 is equipped in 11；The revolving speed of first blender 14 is higher than second blender 15 and the third stirs
The revolving speed of device 16.
In the present embodiment, agitator tank 12 needs high heating value waste liquid and used cutting liquid and emulsion high-speed stirred is sufficiently mixed
It closes, it is more demanding to the revolving speed of the first blender 14；Surge tank 13 is for buffering 12 bring pressure of agitator tank and impulse force and making
Mixing liquid keeps admixture, requires the revolving speed of the second blender 15 lower；Thinning tank 11 is used for thicker useless cutting
Liquid and emulsion add waste water or soft water to be diluted, and require the revolving speed of third blender 16 also not high；Wherein, third stirs
The revolving speed of device 16 can be greater than the revolving speed of the second blender 15.
As a kind of used cutting liquid provided by the invention and a kind of specific embodiment of liquid treating system is emulsified, is please referred to
Fig. 1, further includes: flash tank 20 and dropping equipment 19, the interior material for completing reaction of the overcritical water oxidization reactor 18 pass through
The dropping equipment 19 is transported in the flash tank 20 and carries out gas-liquid separation.
In the present embodiment, flash tank 20 is connected to overcritical water oxidization reactor 18, is used for gas-liquid separation；Dropping equipment
19 are set between flash tank 20 and overcritical water oxidization reactor 18, for reacting to completion in overcritical water oxidization reactor 18
Material decompression；The material that reaction is completed in overcritical water oxidization reactor 18 is transported to flash tank 20 by dropping equipment 19
In, by gas-liquid separation, the material for completing to react in overcritical water oxidization reactor 18 will be down to low flash tank 20 from super-pressure
Pressure, then normal pressure is down to from low pressure.When decompression, the material that overcritical water oxidization reactor 18 comes out is dissolved in flash tank 20
Gas in water can release, and main component is CO2 (volume fraction is 85%~90%), and remaining gas is mainly a small amount of
N2 and O2 also has a small amount of SO2 sometimes.
As a kind of used cutting liquid provided by the invention and a kind of specific embodiment of liquid treating system is emulsified, is please referred to
Fig. 1 further includes tail gas absorber 28, and the tail gas absorber 28 is connected to the gaseous phase outlet of the flash tank 20, for absorbing
The sour gas in gas that the flash tank 20 discharges.Contain a small amount of SO2 in the gas that flash tank 20 discharges, it can be by tail
Lye in aspiration tower 28 absorbs, can be with direct emission after having handled.
As a kind of used cutting liquid provided by the invention and a kind of specific embodiment of liquid treating system is emulsified, is please referred to
Fig. 1 further includes filter press 21, and the filter press 21 is connected to the liquid-phase outlet of the flash tank 20, for filtering in liquid
Solid particulate matter；Liquid after flash distillation filters out the solid in liquid by filter press 21, and obtained waste water meets emission request.
As a kind of used cutting liquid provided by the invention and a kind of specific embodiment of liquid treating system is emulsified, is please referred to
The liquid-phase outlet of Fig. 1, the flash tank 20 are connected to waste water or soft water pipeline, if leading to the waste water of discharge because operating condition is unstable not
Meet drainage requirement, the liquid after flash distillation can be back to thinning tank 11 and be used to dilute thicker used cutting liquid and emulsion, save water
Resource.
The present invention can in high volume pre-process used cutting liquid and emulsion, can be by used cutting liquid and emulsion upper layer
Mineral oil by high heating value waste liquid feed liquor pipeline heat exchange viscosity reduction, filter filter out larger particles, by high speed agitator with
Lower layer's used cutting liquid and emulsion are sufficiently mixed, and oil droplet more carefully mixes more to become with used cutting liquid and emulsion under high-speed stirred state
In homogeneous, used cutting liquid and emulsion and its upper layer mineral oil can be handled simultaneously, reduces process, do not have to separation reprocessing；This
Invention avoids being using more chemical agents, and process cycle is short, more thorough；And after handling the tail gas that generates and waste water to environment without
Secondary pollution；Heat exchanger heat source can also be used the hot water that supercritical water oxidation exchanges heat and do thermal medium, make full use of heat source.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of used cutting liquid and emulsification liquid treating system characterized by comprising
First storage tank, for storing high heating value waste liquid；
Second storage tank, for storing used cutting liquid and emulsion, top is equipped with upper layer discharge port；
Agitator tank is connected to the upper layer discharge port of the discharge port of first storage tank and second storage tank respectively, and being used for will be high
Calorific value waste liquid and used cutting liquid and emulsion are stirred；
Surge tank is connected to the discharge port of the agitator tank, for keeping the mixed of high heating value waste liquid and used cutting liquid and emulsion
Conjunction state, and for buffering impulse force and pressure in the agitator tank；
Overcritical water oxidization reactor；And
High-pressure pump is connected to the discharge port of the surge tank, for by the high heating value waste liquid and used cutting liquid in the surge tank
And the mixing liquid of emulsion pressurizes and is delivered to the overcritical water oxidization reactor.
2. a kind of used cutting liquid as described in claim 1 and emulsification liquid treating system, which is characterized in that first storage tank with
First Heat Exchanger, first filter and the first metering for heating up to high heating value waste liquid are successively arranged between the agitator tank
Pump；The second heat exchange for heating up to used cutting liquid and emulsion is successively arranged between second storage tank and the agitator tank
Device, the second filter and the second metering pump.
3. a kind of used cutting liquid as claimed in claim 2 and emulsification liquid treating system, which is characterized in that further include:
Thinning tank is connected to, for diluting used cutting liquid and emulsion with the upper layer discharge port of second storage tank；And
Liquid relief pump, for by the thinning tank dilution after used cutting liquid and emulsion be pumped into the agitator tank；
The thinning tank is connected to waste water or soft water pipeline；The first valve is equipped between second storage tank and the agitator tank,
The second valve is equipped between the thinning tank and the upper layer discharge port.
4. a kind of used cutting liquid as claimed in claim 3 and emulsification liquid treating system, which is characterized in that second storage tank
Bottom is equipped with bottom layer discharging mouth, and the bottom layer discharging mouth is connected to the thinning tank；The bottom layer discharging mouth and the thinning tank
Between be equipped with third valve.
5. a kind of used cutting liquid as claimed in claim 4 and emulsification liquid treating system, which is characterized in that set in the agitator tank
There is the first blender, the second blender is equipped in the surge tank, is equipped with third blender in the thinning tank；Described first stirs
The revolving speed for mixing device is higher than the revolving speed of second blender and the third blender.
6. a kind of used cutting liquid as described in any one in claim 1-5 and emulsification liquid treating system, which is characterized in that also wrap
Include: flash tank and dropping equipment, the interior material for completing reaction of the overcritical water oxidization reactor pass through the dropping equipment quilt
It is delivered in the flash tank and carries out gas-liquid separation.
7. a kind of used cutting liquid as claimed in claim 6 and emulsification liquid treating system, which is characterized in that further include tail gas absorption
Tower, the tail gas absorber are connected to the gaseous phase outlet of the flash tank, in the gas for absorbing the flash tank release
Sour gas.
8. a kind of used cutting liquid as claimed in claim 7 and emulsification liquid treating system, which is characterized in that it further include filter press,
The filter press is connected to the liquid-phase outlet of the flash tank, for filtering the solid particulate matter in liquid.
9. a kind of used cutting liquid as claimed in claim 8 and emulsification liquid treating system, which is characterized in that the liquid of the flash tank
Mutually outlet is connected to waste water or soft water pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910138332.9A CN109704426A (en) | 2019-02-25 | 2019-02-25 | A kind of used cutting liquid and emulsification liquid treating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910138332.9A CN109704426A (en) | 2019-02-25 | 2019-02-25 | A kind of used cutting liquid and emulsification liquid treating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109704426A true CN109704426A (en) | 2019-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910138332.9A Pending CN109704426A (en) | 2019-02-25 | 2019-02-25 | A kind of used cutting liquid and emulsification liquid treating system |
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| CN110079275A (en) * | 2019-05-29 | 2019-08-02 | 廊坊新奥龙河环保科技有限公司 | A kind of pre-treating method of dangerous waste material |
| CN110469776A (en) * | 2019-09-04 | 2019-11-19 | 宁波精亦自动化工程技术有限公司 | A kind of Intellectualized chemical adding system |
| CN111392912A (en) * | 2020-04-21 | 2020-07-10 | 江苏暻慧诚环境工程有限公司 | Oil-based cutting waste liquid treatment and separation system and working method thereof |
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