CN206219362U - A kind of processing system of C acid producing waste waters - Google Patents
A kind of processing system of C acid producing waste waters Download PDFInfo
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- CN206219362U CN206219362U CN201621143132.0U CN201621143132U CN206219362U CN 206219362 U CN206219362 U CN 206219362U CN 201621143132 U CN201621143132 U CN 201621143132U CN 206219362 U CN206219362 U CN 206219362U
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Abstract
The utility model is related to a kind of processing system of C acid producing waste waters, and the C acid production buffered tank of waste liquid and charging are pumped into the heating of steam-plate type heat exchanger, enter back into the crystallization charging aperture of forced-circulation evaporation crystallizer；Forced-circulation evaporation crystallizer includes vaporization chamber, circulating pump and heating chamber, vaporization chamber bottom is provided with magma outlet, vaporization chamber bottom is connected with circulation pipe, crystallization charging aperture is located at the middle part of circulation pipe, the lower end of circulation pipe is connected with circulating pump, the outlet of circulating pump is connected with the tube side lower end of heating chamber, the tube side upper end of heating chamber is connected with vaporization chamber, the vaporization chamber steam drain on vaporization chamber top is connected with the air intake of vapour compression machine, the steam drain of vapour compression machine is connected with heating chamber shell side air intake, heating chamber shell side discharge outlet is connected with the first solidifying water pot, magma outlet is connected with magma pump, the outlet of magma pump is connected with stiff tank, the outlet of stiff tank is connected with the charging aperture of solid-liquid separating equipment.The system process is simple, and COD clearances are high, and energy consumption is low.
Description
Technical field
The utility model is related to a kind of Waste Water Treatment, more particularly to a kind of processing system of C acid producing waste waters, belongs to
Technical field of waste water processing.
Background technology
C acid is a kind of important dyestuff intermediate, and also known as CLT acid, chemical name is 5- amino -2- chlorotoluene -4- sulfonic acid,
It is the key intermediate for synthesizing organic red pigment.C acid in process of production, can produce a kind of high chroma, contain a large amount of difficult drops
Solve the organic wastewater of material.The waste water COD concentration is typically up to tens thousand of mg/L.BOD5/ COD ratios are usually less than 10%, waste water
In the isomer containing p-methyl benzenesulfonic acid, the chloride, nitro compounds, amido thing of adjacent () toluenesulfonic acid etc., these materials
In contain sulfonic group and chlorine foundation group, both groups are more stable, it is difficult to biodegradable.Again because sulfonic group is with stronger
Hydrophily, makes waste water COD almost all show as dissolubility COD, and difficulty of governance is very big.
The main treatment technology of current CLT acid waste water has electrocoagulation, electrocoagulation → secondary biochemical → adsorption treatment method, extraction
Follow the example of.Wherein, electrocoagulation can produce a large amount of waste residues, cause secondary pollution, and water outlet COD, colourity are still higher.Electrocoagulation →
Secondary biochemical → absorbing process complex treatment process, operating cost is high, and produces secondary pollution.Solvent extraction extractant is consumed
Amount is big, and extracted species separates difficulty, and processing cost is high, is difficult to accomplish scale production.Further, since the neutralization procedure of production is usual
Using calcium hydroxide as nertralizer, the calcium ion concentration in waste water is very high, and calcium salt is easily generated in wastewater treatment process
Precipitation so that multiphase or the handling process with contact medium, such as iron-carbon micro-electrolysis and heterogeneous catalytic oxidation technique, due to stifled
Plug problem and be not used to the treatment of the waste water.
Utility model content
The purpose of this utility model is to overcome problems of the prior art, there is provided a kind of place of C acid producing waste waters
Reason system, process is simple, COD clearances are high.
To solve above technical problem, a kind of processing system of C acid producing waste waters of the present utility model, including C acid productions
Sewer pipe, the outlet of C acid production sewer pipe is connected with the entrance of surge tank, the outlet of the surge tank and entering for feed pump
Mouthful be connected, the outlet of the feed pump is connected with the waste liquid import of steam-plate type heat exchanger, the steam-plate type heat exchanger give up
Liquid outlet is connected with the crystallization charging aperture of forced-circulation evaporation crystallizer；The forced-circulation evaporation crystallizer include vaporization chamber,
Circulating pump and heating chamber, the bottom of the vaporization chamber are provided with magma outlet, and the bottom of the vaporization chamber is connected with circulation pipe, described
Crystallization charging aperture is connected to the middle part of the circulation pipe, and the lower end of the circulation pipe is connected with the circulating pump, the circulating pump
Outlet be connected with the tube side lower end of the heating chamber, the tube side upper end of the heating chamber is connected with the vaporization chamber, the steaming
The top for sending out room is provided with vaporization chamber steam drain；The vaporization chamber steam drain is connected with the air intake of vapour compression machine, the steam
The steam drain of compressor is connected with the shell side air intake of the heating chamber, and the shell side discharge outlet of the heating chamber coagulates water pot with first
Be connected, magma outlet is connected with magma pump, and the outlet of the magma pump is connected with stiff tank, the outlet of the stiff tank and
The charging aperture of solid-liquid separating equipment is connected.
Relative to prior art, the utility model achieves following beneficial effect：C acid production process in produce waste liquid from
C acid production sewer pipes enter surge tank, and being then pumped into steam-plate type heat exchanger by charging heats, and the waste liquid after heating enters
The crystallization charging aperture of forced-circulation evaporation crystallizer, it is descending along circulation pipe in the presence of circulating pump, enter back into heating chamber and add
Heat, the waste liquid after intensification is evaporated into vaporization chamber, and magma is exported from magma and discharged, and stiff tank is pumped into by magma, in stiff tank
In keep in and stir, entering back into solid-liquid separating equipment carries out separation of solid and liquid, crystal discharge.From the discharge of vaporization chamber steam drain
Steam is compressed into vapour compression machine, after supercharging heats up, into heating chamber shell side air intake, circulation waste liquid is added
Heat, coagulates water and is discharged from heating chamber shell side discharge outlet, into the first solidifying water pot, is discharged after subsequently being processed through waste water processing station.Pass through
The evaporative crystallization of forced-circulation evaporation crystallizer, can remove most of COD in waste liquid, substantially reduce C acid Industry Wastes
The handling process length of water, simplifies handling process, reduces processing cost.
Used as improvement of the present utility model, the mother liquor outlet of the solid-liquid separating equipment is connected with the entrance of mother liquor tank, institute
The outlet for stating mother liquor tank is connected with mother liquor pump, and the outlet of the mother liquor pump is connected with the refluxing opening of the surge tank.Separation of solid and liquid
The mother liquor that equipment is isolated enters mother liquor tank, by mother liquor pumped back surge tank, system evaporative crystallization is entered after mixing with waste liquid, can
To realize the zero-emission of mother liquor.
Used as further improvement of the utility model, the bottom of the described first solidifying water pot is connected with the first condensate pump, described
The outlet of the first condensate pump is connected with the solidifying water inlet of solidifying water plate formula heat exchanger, and the solidifying water out of the solidifying water plate formula heat exchanger connects
Enter waste water processing station；The outlet of the feed pump is connected with the waste liquid import of the solidifying water plate formula heat exchanger, the solidifying water plate formula
The waste liquid outlet of heat exchanger is connected with the waste liquid import of the steam-plate type heat exchanger.From the solidifying of heating chamber shell side discharge outlet discharge
Water has temperature higher, is discharged after being preheated to waste liquid into solidifying water plate formula heat exchanger, can improve the temperature of waste liquid, subtracts
The steam consumption of few steam-plate type heat exchanger.
As further improvement of the utility model, the steam inlet of the steam-plate type heat exchanger and raw steam pipe phase
Even, the condensation-water drain of the steam-plate type heat exchanger is connected with condensing hot air furnace pipe.
Used as further improvement of the utility model, the shell side air intake of the heating chamber passes through switching valve and reserve steam
Pipe is connected.When vapour compression machine needs maintenance, it is also possible to open switching valve, supplied to the shell side of heating chamber by reserve steam pipe
Vapour.
Used as further improvement of the utility model, the leakage fluid dram of the vapour compression machine is connected with hydrops tank, the product
The bottom of flow container is connected with hydrops pump, and the outlet of the hydrops pump accesses waste water processing station.
Used as further improvement of the utility model, the solid-liquid separating equipment is two-stage material-pushing centrifuge.
Used as further improvement of the utility model, the shell side top of the heating chamber is provided with vacuum orifice, described to take out true
Eat dishes without rice or wine to be connected with the air inlet of surface condenser by vacuum-pumping tube, exhaust outlet and the pumped vacuum systems phase of the surface condenser
Even, the leakage fluid dram of the surface condenser is connected with the second solidifying water pot, and described second coagulates bottom and the second condensate pump phase of water pot
Even, the outlet of second condensate pump accesses waste water processing station.The incoagulable gas of heating chamber shell side is extracted out by vacuum orifice,
Heat exchange efficiency can be improved, evaporating temperature is reduced, the condensate produced in vacuum-pumping tube can enter from vacuum-pumping tube bottom and add
The solidifying water refluxing opening in hot cell；After the gas that vacuum-pumping tube is extracted out is condensed through surface condenser, system extraction is evacuated, surface is cold
The condensate liquid of condenser discharge enters the second solidifying water pot and collects, and being then sent to waste water processing station by the second condensate pump is processed.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description, accompanying drawing only provides ginseng
Examine and used with explanation, be not used to limit the utility model.
Fig. 1 is the flow chart of the processing system of the utility model C acid producing waste waters.
In figure：1a. vaporization chambers；1a1. vaporization chamber steam drains；1b. circulation pipes；1b1. crystallizes charging aperture；1c. circulating pumps；
1d. heating chambers；1d1. heating chamber shell side air intakes；1d2. heating chamber shell side discharge outlet；1d3. vacuum orifices；The solidifying water backflows of 1d4.
Mouthful；2. vapour compression machine；3. solid-liquid separating equipment；4. waste water processing station；5. pumped vacuum systems；G1.C acid production sewer pipes；G2.
Raw steam pipe；G3. reserve steam pipe；G4. condensing hot air furnace pipe；G5. vacuum-pumping tube；B1. feed pump；B2. magma pump；B3. it is female
Liquid pump；B4. hydrops pump；B5. the first condensate pump；B6. the second condensate pump；T1. surge tank；T2. stiff tank；T3. mother liquor tank；H1.
Steam-plate type heat exchanger；H2. solidifying water plate formula heat exchanger；H3. surface condenser；N1. first coagulates water pot；N2. second coagulates water pot；
N3. hydrops tank；V1. switching valve.
Specific embodiment
As shown in figure 1, the processing system of the utility model C acid producing waste waters includes C acid production sewer pipe G1, C acid productions
The outlet of sewer pipe G1 is connected with the entrance of surge tank T1, and the outlet of surge tank T1 is connected with the entrance of feed pump B1, feed pump
The outlet of B1 is connected with the waste liquid import of steam-plate type heat exchanger H1, the waste liquid outlet and forced circulation of steam-plate type heat exchanger H1
The crystallization charging aperture 1b1 of crystallizing evaporator is connected；Forced-circulation evaporation crystallizer includes vaporization chamber 1a, circulating pump 1c and heating chamber
The bottom of 1d, vaporization chamber 1a is provided with magma outlet, and the bottom of vaporization chamber 1a is connected with circulation pipe 1b, the 1b1 connections of crystallization charging aperture
At the middle part of circulation pipe 1b, the lower end of circulation pipe 1b is connected with circulating pump 1c, the outlet of circulating pump 1c and the tube side of heating chamber 1d
Lower end is connected, and the tube side upper end of heating chamber 1d is connected with vaporization chamber 1a, and the top of vaporization chamber 1a is provided with vaporization chamber steam drain 1a1；
Vaporization chamber steam drain 1a1 is connected with the air intake of vapour compression machine 2, the steam drain of vapour compression machine 2 and the shell side of heating chamber 1d
Air intake is connected, and the shell side discharge outlet of heating chamber 1d water pot N1 solidifying with first is connected, and magma outlet is connected with magma pump B2, magma
The outlet of pump B2 is connected with stiff tank T2, and the outlet of stiff tank T2 is connected with the charging aperture of solid-liquid separating equipment 3.Separation of solid and liquid sets
Standby 3 can be two-stage material-pushing centrifuge.
The waste liquid produced in C acid production processes enters surge tank T1 from C acid production sewer pipes G1, then by feed pump B1
Feeding steam-plate type heat exchanger H1 heating, the waste liquid after heating enters the crystallization charging aperture 1b1 of forced-circulation evaporation crystallizer,
It is descending along circulation pipe 1b in the presence of circulating pump 1c, heating chamber 1d heating is entered back into, the waste liquid after intensification steams into vaporization chamber 1a
Hair, magma is exported from magma and discharged, and stiff tank T2 is sent into by magma pump B2, is kept in stiff tank T2 and stirred, then entered
Entering solid-liquid separating equipment 3 carries out separation of solid and liquid, crystal discharge.Enter both vapor compression from the steam of vaporization chamber steam drain 1a1 discharges
Machine 2 is compressed, and after supercharging heats up, into heating chamber shell side air intake 1d1, circulation waste liquid is heated, and coagulates water from heating
Room shell side discharge outlet 1d2 discharges, into the first solidifying water pot N1, discharge after subsequently being processed through waste water processing station 4.By forced circulation
The evaporative crystallization of crystallizing evaporator, can remove most of COD in waste liquid, substantially reduce the treatment of C acid industrial wastewaters
Operation length, simplifies handling process, reduces processing cost.
The mother liquor outlet of solid-liquid separating equipment 3 is connected with the entrance of mother liquor tank T3, outlet and the mother liquor pump B3 of mother liquor tank T3
It is connected, the outlet of mother liquor pump B3 is connected with the refluxing opening of surge tank T1.The mother liquor that solid-liquid separating equipment 3 is isolated enters mother liquor tank
T3, surge tank T1 is sent back to by mother liquor pump B3, system evaporative crystallization is entered after mixing with waste liquid, it is possible to achieve the zero-emission of mother liquor.
The bottom of the first solidifying water pot N1 is connected with the first condensate pump B5, and outlet and the solidifying water plate formula of the first condensate pump B5 exchange heat
The solidifying water inlet of device H2 is connected, and the solidifying water out of solidifying water plate formula heat exchanger H2 accesses waste water processing station 4；The outlet of feed pump B1 with
The waste liquid import of solidifying water plate formula heat exchanger H2 is connected, and the waste liquid outlet of solidifying water plate formula heat exchanger H2 is with steam-plate type heat exchanger H1's
Waste liquid import is connected.There is temperature higher from the solidifying water of heating chamber shell side discharge outlet 1d2 discharges, into solidifying water plate formula heat exchanger
H2 is discharged after being preheated to waste liquid, can improve the temperature of waste liquid, reduces the steam consumption of steam-plate type heat exchanger H1.
The steam inlet of steam-plate type heat exchanger H1 is connected with raw steam pipe G2, and the condensed water of steam-plate type heat exchanger H1 goes out
Mouth is connected with condensing hot air furnace pipe G4.
The shell side air intake of heating chamber 1d is connected by switching valve V1 with reserve steam pipe G3.When vapour compression machine 2 needs
During maintenance, it is also possible to open switching valve V1, by shell side steam supply from reserve steam pipe G3 to heating chamber 1d.
The leakage fluid dram of vapour compression machine 2 is connected with hydrops tank N3, and the bottom of hydrops tank N3 is connected with hydrops pump B4, hydrops pump
The outlet of B4 accesses waste water processing station 4.
The shell side top of heating chamber 1d is provided with vacuum orifice 1d3, and vacuum orifice 1d3 passes through vacuum-pumping tube G5 and surface condensation
The air inlet of device H3 is connected, and the exhaust outlet of surface condenser H3 is connected with pumped vacuum systems 5, the leakage fluid dram of surface condenser H3 and
Second solidifying water pot N2 is connected, and the bottom of the second solidifying water pot N2 is connected with the second condensate pump B6, and the outlet of the second condensate pump B6 is accessed
Waste water processing station 4.The incoagulable gas of heating chamber shell side is extracted out by vacuum orifice 1d3, can improve heat exchange efficiency, is reduced and is steamed
Hair temperature, the condensate produced in vacuum-pumping tube G5 can enter the solidifying water refluxing opening of heating chamber 1d from vacuum-pumping tube G5 bottoms
1d4；After the gas that vacuum-pumping tube G5 is extracted out is condensed through surface condenser H3, it is evacuated system 5 and extracts out, surface condenser H3 rows
The condensate liquid for going out enters the second solidifying water pot N2 and collects, and is then sent to waste water processing station 4 by the second condensate pump B6 and processes.
The foregoing is only the preferable possible embodiments of the utility model, non-therefore limitation patent of the present utility model
Protection domain.In addition to the implementation, the utility model can also have other embodiment, all use equivalents or equivalent change
The technical scheme to be formed is changed, is all fallen within the protection domain of the utility model requirement.Technology of the utility model without description is special
Levying can realize by or using prior art, will not be repeated here.
Claims (8)
1. a kind of processing system of C acid producing waste waters, including C acid production sewer pipe, it is characterised in that：The C acid production waste liquid
The outlet of pipe is connected with the entrance of surge tank, the outlet of the surge tank is connected with the entrance of feed pump, and the feed pump goes out
Mouth is connected with the waste liquid import of steam-plate type heat exchanger, waste liquid outlet and the forced-circulation evaporation knot of the steam-plate type heat exchanger
The crystallization charging aperture of brilliant device is connected；The forced-circulation evaporation crystallizer includes vaporization chamber, circulating pump and heating chamber, the evaporation
The bottom of room is provided with magma outlet, and the bottom of the vaporization chamber is connected with circulation pipe, and the crystallization charging aperture is connected to described following
The middle part of endless tube, the lower end of the circulation pipe is connected with the circulating pump, the pipe of the outlet of the circulating pump and the heating chamber
Journey lower end is connected, and the tube side upper end of the heating chamber is connected with the vaporization chamber, and the top of the vaporization chamber is provided with vaporization chamber row
Steam ports；The vaporization chamber steam drain is connected with the air intake of vapour compression machine, and the steam drain of the vapour compression machine adds with described
The shell side air intake in hot cell is connected, and the shell side discharge outlet of the heating chamber is connected with the first solidifying water pot, and the magma is exported and crystalline substance
Stock pump is connected, and the outlet of the magma pump is connected with stiff tank, the outlet of the stiff tank and the charging aperture of solid-liquid separating equipment
It is connected.
2. the processing system of C acid producing waste waters according to claim 1, it is characterised in that：The solid-liquid separating equipment
Mother liquor outlet is connected with the entrance of mother liquor tank, and the outlet of the mother liquor tank is connected with mother liquor pump, the outlet of the mother liquor pump and institute
The refluxing opening for stating surge tank is connected.
3. the processing system of C acid producing waste waters according to claim 1, it is characterised in that：The bottom of the described first solidifying water pot
Portion is connected with the first condensate pump, and the outlet of first condensate pump is connected with the solidifying water inlet of solidifying water plate formula heat exchanger, described solidifying
The solidifying water out of water plate type heat exchanger accesses waste water processing station；The outlet of the feed pump is useless with the solidifying water plate formula heat exchanger
Liquid import is connected, and the waste liquid outlet of the solidifying water plate formula heat exchanger is connected with the waste liquid import of the steam-plate type heat exchanger.
4. the processing system of C acid producing waste waters according to claim 1, it is characterised in that：The steam-plate type heat exchanger
Steam inlet be connected with raw steam pipe, the condensation-water drain of the steam-plate type heat exchanger is connected with condensing hot air furnace pipe.
5. the processing system of C acid producing waste waters according to claim 1, it is characterised in that：The shell side of the heating chamber enters
Steam ports is connected by switching valve with reserve steam pipe.
6. the processing system of C acid producing waste waters according to claim 1, it is characterised in that：The row of the vapour compression machine
Liquid mouthful is connected with hydrops tank, and the bottom of the hydrops tank is connected with hydrops pump, and the outlet of the hydrops pump accesses waste water processing station.
7. the processing system of C acid producing waste waters according to claim 1, it is characterised in that：The solid-liquid separating equipment is
Two-stage material-pushing centrifuge.
8. the processing system of C acid producing waste waters according to any one of claim 1 to 7, it is characterised in that：The heating
The shell side top of room is provided with vacuum orifice, and the vacuum orifice is connected by vacuum-pumping tube with the air inlet of surface condenser, institute
The exhaust outlet for stating surface condenser is connected with pumped vacuum systems, and the leakage fluid dram of the surface condenser is connected with the second solidifying water pot,
The bottom of the described second solidifying water pot is connected with the second condensate pump, and the outlet of second condensate pump accesses waste water processing station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621143132.0U CN206219362U (en) | 2016-10-21 | 2016-10-21 | A kind of processing system of C acid producing waste waters |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621143132.0U CN206219362U (en) | 2016-10-21 | 2016-10-21 | A kind of processing system of C acid producing waste waters |
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| CN206219362U true CN206219362U (en) | 2017-06-06 |
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| CN201621143132.0U Active CN206219362U (en) | 2016-10-21 | 2016-10-21 | A kind of processing system of C acid producing waste waters |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265736A (en) * | 2017-08-13 | 2017-10-20 | 贾新奎 | A kind of purifying processing device for high salt alkaline sewage |
| CN110002522A (en) * | 2019-03-26 | 2019-07-12 | 江苏科化节能环保设备有限公司 | Solid waste landfill site percolate evaporated crystallization device and method |
-
2016
- 2016-10-21 CN CN201621143132.0U patent/CN206219362U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265736A (en) * | 2017-08-13 | 2017-10-20 | 贾新奎 | A kind of purifying processing device for high salt alkaline sewage |
| CN110002522A (en) * | 2019-03-26 | 2019-07-12 | 江苏科化节能环保设备有限公司 | Solid waste landfill site percolate evaporated crystallization device and method |
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