CN108455693B - Industrial waste liquid recycling system and recycling method - Google Patents
Industrial waste liquid recycling system and recycling method Download PDFInfo
- Publication number
- CN108455693B CN108455693B CN201810208809.1A CN201810208809A CN108455693B CN 108455693 B CN108455693 B CN 108455693B CN 201810208809 A CN201810208809 A CN 201810208809A CN 108455693 B CN108455693 B CN 108455693B
- Authority
- CN
- China
- Prior art keywords
- waste liquid
- main shaft
- scraper
- outlet
- condenser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 149
- 239000002440 industrial waste Substances 0.000 title claims abstract description 39
- 238000004064 recycling Methods 0.000 title claims description 12
- 238000000034 method Methods 0.000 title abstract description 5
- 239000002699 waste material Substances 0.000 claims abstract description 94
- 238000011084 recovery Methods 0.000 claims abstract description 64
- 238000003756 stirring Methods 0.000 claims abstract description 57
- 238000004821 distillation Methods 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 230000018044 dehydration Effects 0.000 claims abstract description 25
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 25
- 238000007790 scraping Methods 0.000 claims description 24
- 238000012544 monitoring process Methods 0.000 claims description 14
- 239000002893 slag Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000002184 metal Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses an industrial waste liquid recovery treatment system and a recovery treatment method. The industrial waste liquid recovery treatment system comprises a dehydration tank, a condenser and a waste liquid pump, wherein the dehydration tank comprises a distillation kettle and a stirring mechanism, the condenser comprises a steam exhaust inlet, a recovery liquid outlet, a condensing medium inlet and a condensing medium outlet, the outlet of the waste liquid pump is connected with the condensing medium inlet of the condenser, and the condensing medium outlet of the condenser is connected with the waste liquid inlet of the distillation kettle; the steam outlet of the distillation still is connected with the steam outlet of the condenser. The industrial waste liquid recovery treatment system of the utility model preheats waste liquid to be treated by utilizing waste liquid steam in the condenser, condenses the waste liquid steam by utilizing the waste liquid to be treated, utilizes the heat of the steam discharged by the distillation kettle, preheats the waste liquid before entering the distillation kettle, and has high heating speed of the waste liquid in the distillation kettle and high heat efficiency of the system.
Description
[ technical field ]
The utility model relates to industrial waste liquid recovery treatment, in particular to an industrial waste liquid recovery treatment system and a recovery treatment method.
[ background Art ]
With the development of technology, the requirements on surface treatment of precision electronics, hardware parts, optical parts and the like are higher and higher, and as a result, industrial waste liquid is more and more, and is a major cause of water pollution, and recovery treatment of the industrial waste liquid is a great measure for avoiding environmental pollution.
The utility model of the patent number CN201020553608.4 provides a decompression dehydration dryer, which comprises: the apparatus comprises a distillation still, a waste stirring mechanism for stirring the interior of the distillation still by using stirring wings, a driving mechanism for driving the stirring wings of the waste stirring mechanism by using stirring shafts, a heat source for heating waste in the distillation still, a condenser for condensing gas evaporated from the waste in the distillation still into liquid, and a pump for reducing at least the pressure in the distillation still; wherein, in the installation state of the distillation still, the stirring shaft extends in the horizontal direction. In this reduced-pressure dehydration dryer, the waste stirring mechanism of the still pot is provided with a scraper that slides on the inner surface of the still pot. The utility model provides a decompression dehydration dryer which can separate waste such as waste liquid, sewage, sludge, excrement and urine into a solid component and a liquid component, and can separate high-concentration waste, waste difficult to treat and the like into the solid component and the liquid component.
However, this utility model uses steam to heat the waste in the distillation still, and the liquid component in the waste is vaporized and then introduced into the condenser, and the recovered liquid obtained by condensing the steam discharged from the distillation still by heat exchange with the circulating cooling water in the condenser is required. The heat of the steam discharged from the distillation still is not utilized, the waste entering the distillation still is not preheated, the heating speed of the waste is low, and the heat efficiency of the system is low.
[ summary of the utility model ]
The utility model aims to provide a method for recycling and treating industrial waste liquid with high heat efficiency.
The utility model further aims to provide an industrial waste liquid recovery treatment system with high heat efficiency.
In order to solve the technical problems, the technical scheme adopted by the utility model is that the condenser is used as a waste liquid preheating device, the waste liquid to be treated before entering the dehydration tank is preheated by utilizing the heat emitted by waste liquid steam recovered from the dehydration tank in the condenser, the waste liquid to be treated before entering the dehydration tank is used as a condensing medium, and the waste liquid steam entering the condenser is condensed.
The industrial waste liquid recovery treatment system comprises a dehydration tank, a condenser and a waste liquid pump, wherein the dehydration tank comprises a distillation kettle and a stirring mechanism, the condenser comprises a steam exhaust inlet, a recovery liquid outlet, a condensing medium inlet and a condensing medium outlet, the outlet of the waste liquid pump is connected with the condensing medium inlet of the condenser, and the condensing medium outlet of the condenser is connected with the waste liquid inlet of the distillation kettle; the steam outlet of the distillation still is connected with the steam outlet of the condenser.
The industrial waste liquid recovery treatment system comprises a vapor filtering device, a recovery liquid metering tank, a recovery liquid storage tank and a waste liquid metering device, wherein the vapor filtering device is connected between a vapor discharge inlet of a condenser and a vapor discharge outlet of a distillation kettle; the outlet of the waste liquid metering device is connected with the inlet of the waste liquid pump, the inlet of the recovery liquid metering tank is connected with the recovery liquid outlet of the condenser, and the outlet of the recovery liquid metering tank is connected with the recovery liquid storage tank; the vacuum pump is connected with the vacuum inlet of the recovery liquid metering tank through a valve, and the vacuum inlet of the recovery liquid metering tank is communicated with the inlet of the recovery liquid metering tank.
The industrial waste liquid recovery treatment system comprises a distillation kettle, a heating jacket, a front end plate, a rear end plate and a waste residue outlet, wherein the heating jacket is cylindrical and is sleeved on the periphery of the distillation kettle barrel; the exhaust steam outlet is arranged at the upper part of the front end plate or the rear end plate; the waste residue outlet is arranged at the lower end of the rear part of the cylinder body and penetrates through the heating jacket; the medium inlet and the medium outlet of the heating jacket are arranged at the lower part of the heating jacket.
The industrial waste liquid recycling system comprises a deslagging valve and a deslagging bent pipe, wherein the deslagging bent pipe is arranged on a heating jacket below a waste residue outlet; the slag discharging valve comprises a valve clack and a cylinder, and the waste slag outlet comprises a valve seat; the bending part of the deslagging elbow comprises a mounting seat, and the mounting seat comprises a piston rod hole; the cylinder body of the air cylinder is fixed on the mounting seat, and a piston rod of the air cylinder penetrates through the piston rod hole and enters the deslagging elbow pipe; the valve clack is installed on the top of cylinder piston rod, supports on the disk seat.
The industrial waste liquid recovery treatment system comprises a stirring mechanism, a stirring device and a liquid stirring device, wherein the stirring mechanism comprises a rotor arranged in a distillation kettle, the rotor comprises a main shaft and a plurality of stirring units axially arranged along the main shaft, and the main shaft is supported by a front end plate and a rear end plate through bearings; the stirring unit comprises a scraper mechanism, the scraper mechanism comprises a scraper bracket, an elastic piece and a scraper assembly, and the scraper assembly is arranged on the scraper bracket in a radial sliding manner along the main shaft; the scraper assembly comprises a plurality of scrapers inclined to the axis of the main shaft; the scraper assembly comprises a scraper bar, the top surface of the scraper bar is an arc surface, the scraper bar is arranged at the top of the scraper bar, a plurality of scrapers are axially connected in series along the main shaft, the axis of the scraper bar is parallel to the axis of the main shaft, and the top surface of the scraper bar is attached to the inner wall of the cylinder body.
The industrial waste liquid recycling system comprises a stirring unit, a stirring unit and a stirring unit, wherein the stirring unit comprises two radial plates and two scraping plate mechanisms, the two radial plates are arranged separately along the axial direction of a main shaft, and the middle parts of the radial plates are fixed on the main shaft; the two scraping mechanisms are arranged between the two radial plates and are symmetrically arranged along the radial direction of the main shaft; the scraper bracket is fixed on the inner side of the radial plate, the top surface of the scraper is outwards, and a gap exists between the scraper bracket and the inner wall of the cylinder body; the scraper assembly comprises a supporting plate and two guide rods, and the bottom of the scraper is fixed above the supporting plate; the top end of the guide rod is fixed on the supporting plate; the scraper bracket is a rectangular frame and comprises two guide holes, the guide rods are inserted into the guide holes, and the two guide holes are in sliding fit; the elastic piece comprises two V-shaped elastic pieces, and the V-shaped elastic pieces are arranged between the supporting plate of the scraper assembly and the top plate of the scraper bracket.
The industrial waste liquid recycling system comprises a stirring unit and a stirring unit, wherein the stirring unit comprises two stirring assemblies, the stirring assemblies comprise a plurality of stirring wings inclined to the axis of the main shaft, and the rotation directions of the stirring wings are opposite to the rotation directions of the scraping plates; the two stirring assemblies are symmetrically arranged along the radial direction of the main shaft, and are staggered by 90 degrees with the scraper mechanism along the circumferential direction of the main shaft.
In the industrial waste liquid recovery treatment system, the radial plates are cross-shaped, the rotation direction of the stirring wings is from 35 degrees to 55 degrees, the rotation direction of the scraping plates is from 40 degrees to 60 degrees, adjacent stirring units are staggered by 90 degrees along the circumferential direction of the main shaft, and the adjacent stirring units share one radial plate.
The industrial waste liquid recovery treatment system comprises a rotor and a plurality of water tanks, wherein the rotor comprises a plurality of hollow temperature monitoring rods which are arranged along the axial direction of a main shaft in a separated mode; the inner end of the temperature monitoring rod is fixed on the main shaft, the main shaft is a hollow shaft and comprises an axial hole, and the inner hole of the temperature monitoring rod is communicated with the axial hole of the main shaft; one end of the main shaft is provided with an electric conduction slip ring, a temperature sensor is arranged in the temperature monitoring rod, and a signal wire of the temperature sensor penetrates through an axial hole of the main shaft to be connected with the electric conduction slip ring.
The industrial waste liquid recovery treatment system of the utility model preheats waste liquid to be treated by utilizing waste liquid steam in the condenser, condenses the waste liquid steam by utilizing the waste liquid to be treated, utilizes the heat of the steam discharged by the distillation kettle, preheats the waste liquid before entering the distillation kettle, and has high heating speed of the waste liquid in the distillation kettle and high heat efficiency of the system.
[ description of the drawings ]
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a front view of a rotor of an agitator mechanism according to an embodiment of the present utility model.
Fig. 2 is a top view of a rotor of an agitator mechanism according to an embodiment of the present utility model.
Fig. 3 is a cross-sectional view of a rotor of an agitator mechanism according to an embodiment of the present utility model.
Fig. 4 is a perspective view of a rotor of an agitator mechanism according to an embodiment of the present utility model.
Fig. 5 is a left side view of a rotor of an agitator mechanism according to an embodiment of the present utility model.
Fig. 6 is a front view of a squeegee mechanism of an embodiment of the utility model.
Fig. 7 is a top view of a squeegee mechanism of an embodiment of the utility model.
Fig. 8 is a side view of a squeegee mechanism of an embodiment of the utility model.
FIG. 9 is an axial cross-sectional view of an industrial waste water removal tank according to an embodiment of the present utility model.
Fig. 10 is a sectional view taken along the direction a in fig. 9.
FIG. 11 is a block diagram of an industrial waste recovery processing system according to an embodiment of the present utility model.
Detailed description of the preferred embodiments
The structure of the industrial waste liquid recovery treatment system of the embodiment of the utility model is shown in fig. 11, and the industrial waste liquid recovery treatment system comprises a dehydration tank, a condenser, a waste liquid pump, a vapor filtering device and a recovery liquid metering tank. The recycling liquid storage tank, the waste liquid metering device and the plurality of pneumatic valves.
The dehydration tank comprises a distillation kettle and a stirring mechanism, and a heating jacket is arranged on the periphery of the wall of the distillation kettle.
The outlet of the waste liquid metering device is connected with the inlet of the waste liquid pump, the outlet of the waste liquid pump is connected with the condensing medium inlet of the condenser through the pneumatic valve, and the condensing medium outlet of the condenser is connected with the waste liquid inlet of the distillation still through the pneumatic valve.
The steam filter is connected between the steam inlet of the condenser and the steam outlet of the distillation still, and the steam outlet of the distillation still is connected with a pneumatic valve for breaking vacuum.
The inlet of the recovery liquid metering tank is connected with the recovery liquid outlet of the condenser through a pneumatic valve, the outlet of the recovery liquid metering tank is connected with the recovery liquid storage tank through a pneumatic valve, the vacuum pump is connected with the vacuum inlet of the recovery liquid metering tank through a pneumatic valve, and the vacuum inlet of the recovery liquid metering tank is communicated with the inlet of the recovery liquid metering tank. The vacuum inlet of the recovery liquid metering tank is additionally provided with a pneumatic valve for breaking vacuum.
The condenser of the industrial waste liquid recovery treatment system provided by the embodiment of the utility model is used as a waste liquid preheating device at the same time, and the industrial waste liquid recovery treatment system provided by the embodiment of the utility model can recover and treat high-concentration industrial waste liquid. When the system works, firstly, waste liquid is pumped into a waste liquid preheating device (condenser) by utilizing a waste liquid pump, the air in the dehydration tank is sucked out by the liquid ring vacuum pump, a waste liquid inlet valve is opened when the inside of the dehydration tank reaches a certain vacuum, the waste liquid is sucked into the dehydration tank, a pneumatic angle seat valve for providing steam for a heating jacket of the distillation kettle is opened after the liquid inlet is finished, the steam enters an indirect heating jacket, the waste liquid is heated by heat transfer of the heating jacket to the cylinder wall, a stirring mechanism of the dehydration tank is started at the moment, the waste liquid is uniformly stirred, the waste liquid reaches a uniform heating effect, and the waste liquid reaches a certain temperature under the vacuum. The water in the waste liquid begins to evaporate, the water vapor formed by the water in the waste liquid passes through a water vapor filtering device, the water vapor filtering device filters out the impurities attached to the water vapor, clean water vapor passes through a coil pipe in a condenser (waste liquid preheating device), the waste liquid in the waste liquid preheating device is preheated and condensed into water, condensed water flowing out of the coil pipe of the condenser enters a recovery liquid metering tank, the recovery liquid metering tank meters the condensed water and then discharges the condensed water to a recovery liquid storage tank, the purpose of recycling is achieved, the treatment cost is very low,
when heating the waste liquid, the liquid ring vacuum pump keeps a certain vacuum degree in the distillation kettle, so that the boiling point of the waste liquid is reduced, and the water in the waste liquid in the distillation kettle can be evaporated and separated from impurities at a low temperature (50 ℃). Impurities in the waste liquid form solid matters which are remained in the distillation still, and finally are discharged through a slag discharging port.
The preheating device can greatly improve the dehydration efficiency in the distillation kettle, and reduce the steam consumption for heating the waste liquid by half.
The structure of the industrial waste water dehydration tank according to the embodiment of the present utility model is shown in fig. 9 and 10, and includes a distillation still 100 and a rotor 200 of a stirring mechanism.
The distillation still 100 comprises a metal cylinder 21, a heating jacket 22, a front end plate 23, a rear end plate 24, a steam exhaust outlet 2301 and a waste residue outlet 2101, wherein the heating jacket 22 is cylindrical and is sleeved on the periphery of the metal cylinder 21 of the distillation still 100.
A medium inlet 2201 and a medium outlet 2202 of the heating jacket 22 are arranged in a lower portion of the heating jacket 22. The heating medium fed into the heating jacket 22 may be steam or hot oil.
The steam discharge outlet 2301 is arranged at an upper portion of the front end plate 23; the slag outlet 2101 is arranged at the lower end of the rear portion of the metal cylinder 21, passing through the heating jacket 22.
The slag discharging elbow 25 is arranged on the heating jacket 22 below the waste residue outlet 2101; the slag discharging valve comprises a valve clack 26 and a cylinder 27, and the slag outlet 2101 forms a valve seat; the bending part of the slag discharging elbow pipe 25 is provided with a mounting seat 2501, and a piston rod hole is arranged in the mounting seat; the cylinder body of the air cylinder 27 is fixed on the mounting seat 2501, and the piston rod of the air cylinder passes through the piston rod hole and enters the vertical pipeline of the deslagging elbow pipe 25; the valve clack 26 is mounted on the top end of the piston rod of the cylinder 27 and abuts against the valve seat.
The stirring mechanism rotor 200 has a structure as shown in fig. 1 to 8, and comprises a main shaft 1 and 6 stirring units axially arranged along the main shaft 1, wherein adjacent stirring units are mutually staggered by 90 degrees along the circumferential direction of the main shaft 1
The stirring unit comprises two webs 2, two stirring assemblies and two scraper mechanisms. The web 2 is cross-shaped, and two adjacent scraping mechanisms share the middle web.
The two webs 2 are arranged separately along the axial direction of the spindle 1, and the middle part of each web 2 is fixed on the spindle 1. The two scraping mechanisms are arranged between the two webs 2 and symmetrically arranged along the radial direction of the main shaft 1.
The scraping mechanism comprises a scraping plate bracket 3, two V-shaped elastic sheets 4 and a scraping plate assembly 5. The squeegee-bracket 3 is a rectangular frame including a top plate 301, a bottom plate 302, and two side plates 303, and the side plates 303 of the squeegee-bracket 3 are fixed to the inner side of the web 2.
The squeegee assembly 5 comprises a pallet 501, two guide bars 502, 5 squeegees 503 and one squeegee strip 504.
The bottom of the scraper 503 is fixed above the pallet 501, and the top end of the guide rod 502 is fixed below the pallet 501. The scraper 503 is inclined to the axis of the spindle 1, the rotation direction of the scraper is left-handed, and the helix angle (inclination angle with the axis of the spindle 1) is 50 °.
The scraping plate 503 is a soft scraping plate, the material is polytetrafluoroethylene, the top surface of the scraping plate 503 is an arc surface, the top surface of the scraping plate faces outwards, and a gap is reserved between the top surface and the inner wall of the metal cylinder 21. The scraping strip 504 is arranged on the top of the scraping plates 503, 5 scraping plates 503 are axially connected in series along the main shaft 1, the axis of the scraping strip 504 is parallel to the axis of the main shaft 1, and the top surface of the scraping strip 504 is attached to the inner wall of the cylinder 21.
The squeegee assembly 5 is slidably mounted on the squeegee support 3 in the radial direction of the main shaft 1. The scraper bracket 3 has two guide holes, and the guide rod 502 of the scraper assembly 5 is inserted into the guide holes and is in sliding fit with the guide holes. Two V-shaped spring plates 4 are arranged between the supporting plate 501 of the scraper assembly 5 and the top plate of the scraper bracket 3.
The stirring assembly comprises two stirring wings 6 inclined with the axis of the main shaft 1, and the rotation direction of the stirring wings 6 is 45 degrees. The two stirring assemblies are symmetrically arranged along the radial direction of the main shaft 1, and are staggered by 90 degrees with the scraper mechanism along the circumferential direction of the main shaft 1.
Three hollow temperature monitoring rods 7 are arranged on the main shaft 1, and the temperature monitoring rods 7 are arranged along the axial direction of the main shaft 1 in a separated mode. The inner end of the temperature monitoring rod 7 is fixed on the main shaft 1, the main shaft 1 is a hollow shaft and is provided with an axial hole 101, and the inner hole of the temperature monitoring rod 7 is communicated with the axial hole 101 of the main shaft 1. One end of the main shaft 1 is provided with an electric conduction slip ring 102, the temperature monitoring rod 7 is provided with a temperature sensor 701, and a signal wire 702 of the temperature sensor passes through an axial hole 101 of the main shaft 1 to be electrically connected with the electric conduction slip ring 102.
According to the industrial waste liquid recovery treatment system disclosed by the embodiment of the utility model, waste liquid steam is utilized to preheat waste liquid to be treated in the condenser, the waste liquid steam to be treated is utilized to condense the waste liquid steam, the heat of the steam discharged by the distillation kettle is utilized, the waste liquid before entering the distillation kettle is preheated, the heating speed of the waste liquid in the distillation kettle is high, and the heat efficiency of the system is high.
The heating jacket of the distillation still in the embodiment of the utility model is cylindrical, is sleeved on the periphery of the cylinder of the distillation still, can heat the industrial waste liquid in the cylinder by 360 degrees, and has high heating speed and high heat efficiency.
The scraping plate assembly of the rotor of the embodiment of the utility model is provided with the scraping strip parallel to the axis of the main shaft, no gap exists between the working surface of the scraping strip and the inner wall of the tank, waste residues on the inner wall of the dehydration tank can be thoroughly cleaned, and the thermal efficiency is not reduced due to coking of the waste residues on the inner wall of the dehydration tank.
Claims (9)
1. The industrial waste liquid recovery treatment system comprises a dehydration tank, a condenser and a waste liquid pump, wherein the dehydration tank comprises a distillation kettle and a stirring mechanism, the condenser comprises a steam exhaust inlet, a recovery liquid outlet, a condensing medium inlet and a condensing medium outlet, and the industrial waste liquid recovery treatment system is characterized in that the outlet of the waste liquid pump is connected with the condensing medium inlet of the condenser, and the condensing medium outlet of the condenser is connected with the waste liquid inlet of the distillation kettle; the steam outlet of the distillation still is connected with the steam outlet of the condenser; the stirring mechanism comprises a rotor arranged in the distillation still, the rotor comprises a main shaft and a plurality of stirring units which are axially arranged along the main shaft, and the main shaft is supported by a front end plate and a rear end plate of the distillation still through bearings; the stirring unit comprises a scraper mechanism, the scraper mechanism comprises a scraper bracket, an elastic piece and a scraper assembly, and the scraper assembly is arranged on the scraper bracket in a radial sliding manner along the main shaft; the scraper assembly comprises a scraper bar and a plurality of scrapers inclined to the axis of the main shaft, the top surface of each scraper bar is an arc surface, the scraper bar is arranged at the top of each scraper bar, the plurality of scrapers are axially connected in series along the main shaft, the axis of each scraper bar is parallel to the axis of the main shaft, and the top surface of each scraper bar is attached to the inner wall of the cylinder body.
2. The industrial waste liquid recovery processing system according to claim 1, comprising a vapor filtration device, a recovery liquid metering tank, a recovery liquid storage tank and a waste liquid metering device, wherein the vapor filtration device is connected between a vapor discharge inlet of the condenser and a vapor discharge outlet of the distillation still; the outlet of the waste liquid metering device is connected with the inlet of the waste liquid pump, the inlet of the recovery liquid metering tank is connected with the recovery liquid outlet of the condenser, and the outlet of the recovery liquid metering tank is connected with the recovery liquid storage tank; the vacuum pump is connected with the vacuum inlet of the recovery liquid metering tank through a valve, and the vacuum inlet of the recovery liquid metering tank is communicated with the inlet of the recovery liquid metering tank.
3. The industrial waste liquid recovery processing system according to claim 1, wherein the distillation still comprises a cylinder body and a heating jacket, the front end plate, the rear end plate and the waste residue outlet are cylindrical, and the heating jacket is sleeved on the periphery of the cylinder body of the distillation still; the exhaust steam outlet is arranged at the upper part of the front end plate or the rear end plate; the waste residue outlet is arranged at the lower end of the rear part of the cylinder body and penetrates through the heating jacket; the medium inlet and the medium outlet of the heating jacket are arranged at the lower part of the heating jacket.
4. The industrial waste liquid recovery and treatment system according to claim 1, wherein the dewatering tank comprises a slag discharging valve and a slag discharging elbow pipe, and the slag discharging elbow pipe is arranged on a heating jacket below the waste residue outlet; the slag discharging valve comprises a valve clack and a cylinder, and the waste slag outlet comprises a valve seat; the bending part of the deslagging elbow comprises a mounting seat, and the mounting seat comprises a piston rod hole; the cylinder body of the air cylinder is fixed on the mounting seat, and a piston rod of the air cylinder penetrates through the piston rod hole and enters the deslagging elbow pipe; the valve clack is installed on the top of cylinder piston rod, supports on the disk seat.
5. The industrial waste liquid recycling system according to claim 1, wherein the stirring unit comprises two webs and two scraper mechanisms, the two webs are arranged separately along the axial direction of the main shaft, and the middle part of the web is fixed on the main shaft; the two scraping mechanisms are arranged between the two radial plates and are symmetrically arranged along the radial direction of the main shaft; the scraper bracket is fixed on the inner side of the radial plate, the top surface of the scraper is outwards, and a gap exists between the scraper bracket and the inner wall of the cylinder body; the scraper assembly comprises a supporting plate and two guide rods, and the bottom of the scraper is fixed above the supporting plate; the top end of the guide rod is fixed on the supporting plate; the scraper bracket is a rectangular frame and comprises two guide holes, the guide rods are inserted into the guide holes, and the two guide holes are in sliding fit; the elastic piece comprises two V-shaped elastic pieces, and the V-shaped elastic pieces are arranged between the supporting plate of the scraper assembly and the top plate of the scraper bracket.
6. The industrial waste recovery processing system of claim 4, wherein the stirring unit comprises two stirring assemblies, the stirring assemblies comprise a plurality of stirring wings inclined to the axis of the main shaft, and the rotation directions of the stirring wings are opposite to the rotation directions of the scraping plates; the two stirring assemblies are symmetrically arranged along the radial direction of the main shaft, and are staggered by 90 degrees with the scraper mechanism along the circumferential direction of the main shaft.
7. The industrial waste liquid recycling system according to claim 5, wherein the web is cross-shaped, the rotation direction of the stirring wings is from 35 ° to 55 ° right-handed, adjacent stirring units with the rotation direction of the scraping plates from 40 ° left-handed to 60 ° left-handed are staggered by 90 ° along the circumferential direction of the main shaft, and the adjacent stirring units share one web.
8. The industrial waste recovery processing system of claim 1, wherein the rotor comprises a plurality of hollow temperature monitoring bars, the temperature monitoring bars being spaced apart along the axial direction of the main shaft; the inner end of the temperature monitoring rod is fixed on the main shaft, the main shaft is a hollow shaft and comprises an axial hole, and the inner hole of the temperature monitoring rod is communicated with the axial hole of the main shaft; one end of the main shaft is provided with an electric conduction slip ring, a temperature sensor is arranged in the temperature monitoring rod, and a signal wire of the temperature sensor penetrates through an axial hole of the main shaft to be connected with the electric conduction slip ring.
9. A recovery processing method for an industrial waste liquid recovery processing system according to claim 1, characterized in that a condenser is used as a waste liquid preheating device, waste liquid to be processed before entering a dehydration tank is preheated by heat emitted from waste liquid vapor recovered from the dehydration tank in the condenser, and waste liquid to be processed before entering the dehydration tank is used as a condensing medium, and the waste liquid vapor entering the condenser is condensed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810208809.1A CN108455693B (en) | 2018-03-14 | 2018-03-14 | Industrial waste liquid recycling system and recycling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810208809.1A CN108455693B (en) | 2018-03-14 | 2018-03-14 | Industrial waste liquid recycling system and recycling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108455693A CN108455693A (en) | 2018-08-28 |
| CN108455693B true CN108455693B (en) | 2023-11-17 |
Family
ID=63219870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810208809.1A Active CN108455693B (en) | 2018-03-14 | 2018-03-14 | Industrial waste liquid recycling system and recycling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108455693B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002652A (en) * | 2019-04-29 | 2019-07-12 | 江苏惟亨环保科技有限公司 | Reclaiming system and process flow is concentrated in acid-bearing wastewater |
| CN110270120A (en) * | 2019-07-13 | 2019-09-24 | 深圳市科伟达超声波设备有限公司 | A kind of industrial wastes recovery and processing system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5936583A (en) * | 1982-08-25 | 1984-02-28 | Hitachi Ltd | Treating device for heating steam and condensate of condenser for waste liquid |
| CN201823330U (en) * | 2010-10-09 | 2011-05-11 | 大和化学工业株式会社 | Pressure-reducing and dewatering drier |
| CN202580046U (en) * | 2012-05-29 | 2012-12-05 | 温州科瑞机械有限公司 | Pneumatic tank bottom valve |
| CN203593694U (en) * | 2013-05-10 | 2014-05-14 | 大和化学工业株式会社 | Waste disposal system |
| CN104086068A (en) * | 2014-07-10 | 2014-10-08 | 深圳市科伟达超声波设备有限公司 | Industrial liquid-containing sludge drying treatment device |
| CN106986486A (en) * | 2017-05-10 | 2017-07-28 | 南京工业大学 | A kind of highly salt containing organic waste water processing unit |
| CN206911206U (en) * | 2017-05-03 | 2018-01-23 | 河北晟凯新材料科技有限公司 | A kind of reactive flame retardant prepares and uses multi-angle stirring-type drying unit |
-
2018
- 2018-03-14 CN CN201810208809.1A patent/CN108455693B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5936583A (en) * | 1982-08-25 | 1984-02-28 | Hitachi Ltd | Treating device for heating steam and condensate of condenser for waste liquid |
| CN201823330U (en) * | 2010-10-09 | 2011-05-11 | 大和化学工业株式会社 | Pressure-reducing and dewatering drier |
| CN202580046U (en) * | 2012-05-29 | 2012-12-05 | 温州科瑞机械有限公司 | Pneumatic tank bottom valve |
| CN203593694U (en) * | 2013-05-10 | 2014-05-14 | 大和化学工业株式会社 | Waste disposal system |
| CN104086068A (en) * | 2014-07-10 | 2014-10-08 | 深圳市科伟达超声波设备有限公司 | Industrial liquid-containing sludge drying treatment device |
| CN206911206U (en) * | 2017-05-03 | 2018-01-23 | 河北晟凯新材料科技有限公司 | A kind of reactive flame retardant prepares and uses multi-angle stirring-type drying unit |
| CN106986486A (en) * | 2017-05-10 | 2017-07-28 | 南京工业大学 | A kind of highly salt containing organic waste water processing unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108455693A (en) | 2018-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108455693B (en) | Industrial waste liquid recycling system and recycling method | |
| JP6308933B2 (en) | Sludge dewatering method and sludge dewatering device | |
| WO2017107028A1 (en) | Equipment and method for processing petroleum rock cuttings mud | |
| CN111644454A (en) | Contaminated soil thermal desorption remediation system and method | |
| CN106566576B (en) | Distill pyrolysis installation and material processing method | |
| KR100781179B1 (en) | Apparatus for concentrating | |
| US9962626B2 (en) | Compound distiller | |
| CN212884126U (en) | Contaminated soil thermal desorption device and thermal desorption repair system | |
| CN212282923U (en) | Novel molecular distiller | |
| CN215249680U (en) | Environment-friendly industrial production advanced waste treatment device | |
| CN112723450A (en) | Forced circulation evaporator for sewage treatment of thermal power plant | |
| CN218620402U (en) | Concentrated drying device of scraper blade | |
| CN208287524U (en) | A kind of vacuum-concentrcted equipment | |
| WO2000013811A1 (en) | Apparatus and process for thermal treatment of waste | |
| CN215785659U (en) | Direct thermal desorption device of overheated formula steam | |
| CN212597901U (en) | Contaminated soil thermal desorption repair system | |
| CN213803328U (en) | Reduction processing system of oily waste emulsion | |
| KR102235341B1 (en) | Complex system for resource recovery from organic waste water and separation of organic acids | |
| CN210313608U (en) | High concentration organic wastewater treatment system | |
| CN210728713U (en) | Industrial waste liquid dewatering tank | |
| CN111137934A (en) | Acid and alkali slurry treatment method and system suitable for landfill leachate | |
| CN220385825U (en) | Solvent recovery processing device | |
| CN219567736U (en) | Desalting treatment device for industrial wastewater | |
| CN210384891U (en) | Industrial waste liquid recovery processing system | |
| CN111803981B (en) | Deep concentration evaporator and method for high-salt high-viscosity easy-scaling feed liquid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190121 Address after: 518000 The 1st to 3rd floors of Building A and the 1st floor of Building C of Keweida Industrial Park, Henglang Village, Dalang Street, Longhua New District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN KEEPAHEAD ULTRASONIC EQUIPMENT Co.,Ltd. Address before: 541399 Jianmin Pharmacy No. 239 Qinhuang Road, Xing'an Town, Guilin City, Guangxi Zhuang Autonomous Region Applicant before: Wang Zhoulin |
|
| TA01 | Transfer of patent application right | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |