CN207062041U - The system for purifying waste acid - Google Patents
The system for purifying waste acid Download PDFInfo
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- CN207062041U CN207062041U CN201720985776.2U CN201720985776U CN207062041U CN 207062041 U CN207062041 U CN 207062041U CN 201720985776 U CN201720985776 U CN 201720985776U CN 207062041 U CN207062041 U CN 207062041U
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Abstract
The utility model discloses the system of purification waste acid.The system of the purification waste acid includes：Vulcanization plant, the vulcanization plant have liquid outlet and gas outlet after hydrogen sulfide entrance, waste acid entrance, vulcanization；There is air inlet, alkali liquor inlet, sulfide solution outlet and first row gas port, the air inlet to be connected with the gas outlet for tail gas washing tower, the tail gas washing tower；Resolver, the resolver export with liquid outlet, hydrogen chloride outlet and hydrogen fluoride after liquid entrance, parsing after vulcanization, and liquid entrance is connected with liquid outlet after the vulcanization after the vulcanization；Sedimentation device, the sedimentation device are exported with liquid after liquid entrance, flocculate outlet and sedimentation after parsing, and liquid entrance is exported with liquid after the parsing and is connected after the parsing；And equipment for separating liquid from solid, the equipment for separating liquid from solid is with the waste acid outlet after liquid entrance, second exhaust port, waste residue outlet and purification after sedimentation, and liquid entrance is exported with liquid after the sedimentation and is connected after the sedimentation.
Description
Technical field
Chemical field is the utility model is related to, in particular it relates to purify the system of waste acid.
Background technology
In nonferrous smelting production process, substantial amounts of waste acid can be usually produced in sulphuric acid process.Due to leading in waste acid
Often contain the heavy metal ion such as higher arsenic, lead, zinc, cadmium.It is very big to health and environmental hazard, it is therefore necessary to be located
Reason.At present, the domestic sour water processing containing arsenic, containing heavy metal ion mainly has vulcanization method processing system, neutralisation processing system
System etc..Although the processing system of waste acid is varied, the defects of many is remained, for example intractability is big, operating cost is high, work
Make bad environments.
Thus, the system of purified treatment waste acid has much room for improvement.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.It is therefore, of the present utility model
One purpose is to propose a kind of system for purifying waste acid, and the system carries out vulcanization to acid pickle using hydrogen sulfide as vulcanizing agent and taken off
Removing heavy metals processing, gypsum tailings will not be produced, processed waste water energy reuse, environmentally friendly zero emission requirement can be achieved.
According to one side of the present utility model, the utility model provides a kind of system for purifying waste acid.According to this reality
With new embodiment, the system of the purification waste acid includes：
Vulcanization plant, the vulcanization plant have liquid outlet and gas outlet after hydrogen sulfide entrance, waste acid entrance, vulcanization；
Tail gas washing tower, the tail gas washing tower have air inlet, alkali liquor inlet, sulfide solution outlet and first exhaust
Mouthful, the air inlet is connected with the gas outlet；
Resolver, the resolver is with liquid outlet, hydrogen chloride outlet and hydrogen fluoride after liquid entrance, parsing after vulcanization
Outlet, liquid entrance is connected with liquid outlet after the vulcanization after the vulcanization；
Sedimentation device, the sedimentation device export with liquid after liquid entrance, flocculate outlet and sedimentation after parsing, the solution
Liquid entrance is connected with liquid outlet after the parsing after analysis；And
Equipment for separating liquid from solid, the equipment for separating liquid from solid have liquid entrance after sedimentation, second exhaust port, waste residue outlet and net
Waste acid outlet after change, liquid entrance is connected with liquid outlet after the sedimentation after the sedimentation.
According to the system of the purification waste acid of the utility model embodiment, sulphur is carried out to acid pickle using hydrogen sulfide as vulcanizing agent
Change removing heavy metal processing, gypsum tailings will not be produced, processed waste water energy reuse, environmentally friendly zero emission requirement can be achieved.Also, should
The rate of recovery and arsenic removal efficiency high of the valuable metal of system, the stability of operation is good, and cost is low.
Optionally, the system further comprises：Electrolysis unit, the electrolysis unit have water inlet, hydrogen outlet and oxygen
Gas exports；Sulfur melting groove, the sulfur melting groove have sulphur entrance and sulfur gas outlet；Synthesizer, the synthesizer have hydrogen
Gas entrance and the outlet of sulfur gas entrance and hydrogen sulfide gas, the hydrogen inlet are connected with the hydrogen outlet, the sulphur
Gas access is connected with sulfur gas outlet, the hydrogen sulfide gas outlet and the hydrogen sulfide entrance phase of the vulcanization plant
Even.
Optionally, the system further comprises：Purification devices, the purification devices include：Moisture trap, the air water
Separator has hydrogen inlet, dry hydrogen outlet and water out, and the hydrogen of the hydrogen inlet and the electrolysis unit goes out
Mouth is connected；Degasifier, the degasifier have dry hydrogen inlet, deoxidation hydrogen outlet and moisture outlet, the drying
Hydrogen inlet is connected with the hydrogen outlet of the drying；Condensation dehydration device, the condensation dehydration utensil have deoxidation hydrogen inlet, cold
Solidifying dehydration hydrogen outlet and condensation-water drain, the deoxidation hydrogen inlet are connected with the deoxidation hydrogen outlet；Molecular sieve adsorption
Drier, the molecular sieve adsorption drier has condensation dehydration hydrogen inlet and the hydrogen outlet that dries, the condensation dehydration hydrogen
Gas entrance is connected with the condensation dehydration hydrogen outlet, the hydrogen inlet phase of the dry hydrogen outlet and the synthesizer
Even.
Optionally, the resolver is parsing groove, and the parsing groove has：Temperature controller, the temperature control
It is 60-70 DEG C that device, which controls the temperature in the parsing groove,；Pressure regulator, the pressure regulator regulation is described to be parsed in groove
Pressure is 0.7-0.8MPa.
Optionally, the system further comprises：First rotary-cut stream shower nozzle, the first rotary-cut stream shower nozzle are arranged on the solution
Liquid porch after the vulcanization of analysis groove.
Optionally, the system further comprises：Wash mill, the wash mill, which has, treats washing gas entrance and washing
Gas vent afterwards, the first row gas port for treating washing gas entrance respectively with the tail gas washing tower, separation of solid and liquid dress
The second exhaust port put is connected with the hydrogen sulfide gas outlet of the synthesizer.
Optionally, the system further comprises：Deentrainment tower, after the deentrainment tower has hydrogen sulfide entrance to be clean and purification
Hydrogen sulfide exports, and the purification hydrogen sulfide entrance is connected with the hydrogen sulfide gas outlet of the synthesizer.
Optionally, the vulcanization plant is three-level sulfur tank.
Optionally, the system further comprises：Second rotary-cut stream shower nozzle, the second rotary-cut stream shower nozzle are arranged on described three
On at least one-level sulfur tank of level sulfur tank.
Optionally, the hydrogen sulfide entrance is located at the bottom of the first order sulfur tank in the three-level sulfur tank, the dirt
Sour entrance is located at the third level sulfur tank in the three-level sulfur tank, and the third level sulfur tank and the tail gas washing tower
Sulfide solution outlet is connected.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 shows the structural representation of the system of the purification waste acid according to the utility model one embodiment；
Fig. 2 shows the structural representation of the system of the purification waste acid according to the utility model another embodiment.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom " be based on orientation shown in the drawings or position relationship,
It is for only for ease of description the utility model rather than requires that the utility model must be with specific azimuth configuration and operation, therefore
It is not intended that to limitation of the present utility model.
It should be noted that term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be with
Express or implicitly include one or more this feature.Further, in description of the present utility model, unless otherwise
Illustrate, " multiple " are meant that two or more.
According to one side of the present utility model, the utility model provides a kind of system for purifying waste acid.With reference to figure 1,
According to embodiment of the present utility model, the system of the purification waste acid includes：Vulcanization plant 100, tail gas washing tower 200, parsing dress
Put 300, sedimentation device 400 and equipment for separating liquid from solid 500.
According to the system of the purification waste acid of the utility model embodiment, sulphur is carried out to acid pickle using hydrogen sulfide as vulcanizing agent
Change removing heavy metal processing, gypsum tailings will not be produced, processed waste water energy reuse, environmentally friendly zero emission requirement can be achieved.Also, should
The rate of recovery and arsenic removal efficiency high of the valuable metal of system, the stability of operation is good, and cost is low.
For the ease of understanding the system of above-mentioned purification waste acid, each device of the system is explained below：
Vulcanization plant 100：According to embodiment of the present utility model, there is the vulcanization plant 100 hydrogen sulfide entrance, waste acid to enter
Hydrogen sulfide and waste acid are carried out vulcanizing treatment, liquid after being vulcanized by liquid outlet and gas outlet, the vulcanization plant 100 after mouth, vulcanization
And tail gas, wherein, the hydrogen sulfide remained after vulcanizing treatment is contained in tail gas.Thus, using hydrogen sulfide as collecting agent, than conventional vulcanized
Sodium cost is low, and the removal effect of heavy metal and arsenic is good, can reach >=99.9%, and will not during removing heavy metal and arsenic
Other impurity are introduced, the water quality after processing can reuse.
According to embodiment of the present utility model, the vulcanization plant 100 is three-level sulfur tank.Thus, in abundant collecting waste acid
Heavy metal and arsenic.
With reference to figure 2, according to embodiment of the present utility model, the system further comprises：Second rotary-cut stream shower nozzle 600, should
Second rotary-cut stream shower nozzle 600 is arranged at least one-level sulfur tank of three-level sulfur tank.Thus, hydrogen sulfide and the liquid phase of waste acid
Contact area is big, the heavy metal in hydrogen sulfide and waste acid and arsenic is fully contacted and is reacted, and is advantageous to remove in waste acid
Heavy metal and arsenic.
According to embodiment of the present utility model, the second rotary-cut stream shower nozzle 600 (horizontal or vertical can mainly be pacified by sluicing pipe
Dress) composition such as nozzle, circulating slot, Despumation device, circulating pump, wherein, nozzle is special nozzle, cleaning solution is had bigger gas
Liquid phase contact area.Thus, rotary-cut stream shower nozzle has that air-flow flux is big, keeps that liquid measure is small, and pressure drop is low, and operating flexibility is wide, does not allow
Easily block, the advantages that operating efficiency is high.
According to embodiment of the present utility model, hydrogen sulfide entrance is located at the bottom of the first order sulfur tank in three-level sulfur tank
Portion, waste acid entrance are located at the third level sulfur tank in three-level sulfur tank, and the sulfide of third level sulfur tank and tail gas washing tower
Taphole is connected.Thus, hydrogen sulfide and waste acid counter current contact, contact area is big, time length, makes the weight in hydrogen sulfide and waste acid
Metal and arsenic are fully contacted and reacted, and are advantageous to remove the heavy metal and arsenic in waste acid.
With reference to figure 2, according to embodiment of the present utility model, the system further comprises：Electrolysis unit 700, sulfur melting groove 800
With synthesizer 900, wherein, electrolysis unit 700 has water inlet, hydrogen outlet and oxygen outlet, and water is carried out into electrolysis processing,
Obtain hydrogen and oxygen；There are sulfur melting groove 800 sulphur entrance and sulfur gas to export, and sulphur is carried out into melt process, obtains sulfury
Body；Synthesizer 900 has hydrogen inlet and sulfur gas entrance and hydrogen sulfide gas outlet, and hydrogen inlet goes out with the hydrogen
Mouthful, sulfur gas entrance is connected with sulfur gas outlet, and hydrogen sulfide gas outlet is connected with the hydrogen sulfide entrance of vulcanization plant, will
Hydrogen and sulfur gas carry out synthesis processing, obtain hydrogen sulfide gas.Thus, the preparation obtains hydrogen using electrolysis water, relatively
In the method for existing ammoniacal liquor heat resolve hydrogen, for aqueous phase for the ammoniacal liquor of high risk, more energy-saving safety is reliable, and
Hydrogen purity is higher, and impurity is less.
According to embodiment of the present utility model, the system further comprises：Purification devices (not shown), purifying dress
Put including moisture trap, degasifier, condensation dehydration device and molecular sieve adsorption drier, wherein, moisture trap has hydrogen
Entrance, dry hydrogen outlet and water out, hydrogen inlet are connected with the hydrogen outlet of electrolysis unit 700, for separating trip
Ionized water；Degasifier has dry hydrogen inlet, deoxidation hydrogen outlet and moisture outlet, dry hydrogen inlet and drying
Hydrogen outlet is connected, and in the presence of catalyst catalyst, makes impurity oxygen in dry hydrogen and hydrogen is counter generates steam；Condensation is de-
Hydrophone has deoxidation hydrogen inlet, condensation dehydration hydrogen outlet and condensation-water drain, deoxidation hydrogen inlet and deoxidation hydrogen outlet
It is connected, for hydrogen to be condensed and gas-water separation, separates free condensate；Molecular sieve adsorption drier has condensation de-
Water hydrogen inlet and the hydrogen outlet that dries, condensation dehydration hydrogen inlet are connected with condensation dehydration hydrogen outlet, and dry hydrogen outlet
It is connected with the hydrogen inlet of synthesizer 900, for condensation dehydration hydrogen to be carried out into wet process, obtains wet hydrogen.
Tail gas washing tower 200：According to embodiment of the present utility model, there is the tail gas washing tower 200 air inlet, alkali lye to enter
Mouth, sulfide solution outlet and first row gas port, wherein, air inlet is connected with gas outlet, and tail gas is carried out into washing neutralisation treatment,
Obtain sulfide solution.Thus, alkali liquor absorption is carried out to remaining hydrogen sulfide gas in tail gas, be allowed to be converted into NaHS or
Vulcanized sodium, hydrogen sulfide discharge pollution environment is prevented, and be used for vulcanizing treatment, realize twice laid.
Resolver 300：According to embodiment of the present utility model, the resolver 300 has liquid entrance, parsing after vulcanization
Liquid outlet, hydrogen chloride outlet and hydrogen fluoride outlet afterwards, liquid entrance is connected with liquid outlet after the vulcanization after the vulcanization, will vulcanize
Liquid carries out dissection process, liquid, hydrogen chloride and hydrogen fluoride after being parsed afterwards.Contain substantial amounts of fluorine and chlorine after vulcanization in liquid, pass through
Dissection process, part fluorine and chlorine after removing vulcanization in liquid.
With reference to figure 2, according to embodiment of the present utility model, the system further comprises：First rotary-cut stream shower nozzle 1100, should
First rotary-cut stream shower nozzle 1100 is arranged on liquid porch after the vulcanization of parsing groove, by rotary-cut stream shower nozzle and blower export come
Air contact.Wherein, the first rotary-cut stream shower nozzle 1100 is identical with the structure of the second rotary-cut stream shower nozzle 600, has the advantages of identical,
It will not be repeated here.Thus, fluorine and chlorine in liquid after removing vulcanizes are advantageous to.
According to embodiment of the present utility model, the resolver 300 is parsing groove, and the parsing groove has：Temperature control
Device and pressure regulator (not shown), wherein, it is 60-70 DEG C that temperature controller, which controls the temperature in parsing groove, and pressure is adjusted
The pressure saved in device regulation parsing groove is 0.7-0.8MPa.Some existing parsing grooves are generally under the conditions of 60~70 DEG C, negative pressure
Under carry out dissection process under (1000~5000Pa), slough fluorine and chlorine, by hydrogen chloride, hydrogen fluoride effumability, be passed through hot blast
Or live (open) steam indirectly heat parsing fluorine and chlorine, and it is passed through hot blast or live (open) steam indirectly heat is required for consuming substantial amounts of heat
Can, energy consumption and cost are high, and practicality is poor, and fluorine and dechlorination rate be not high, still has substantial amounts of fluorine, chlorine to remain in acid solution
In, dilute sulfuric acid purity is not high.Inventor has found by numerous studies, parses groove under conditions of 60-70 DEG C, 0.7-0.8MPa,
Do not apply the normal pressure of the dissection process of negative pressure, parsed, and taken off using two sections of neutralization depth fluorine removals and chlorine, fluorine and chlorine
Except rate is high, without promoting parsing by hot blast or live (open) steam indirectly heat, energy consumption and cost are low, and practicality is good, in acid solution
The residual quantity of middle fluorine and chlorine is extremely low.
Sedimentation device 400：According to embodiment of the present utility model, the sedimentation device 400 has liquid entrance, flocculation after parsing
Liquid exports after thing is exported and settled, wherein, liquid entrance is connected with liquid outlet after parsing after parsing, and liquid after parsing is carried out at sedimentation
Reason, obtain liquid after flocculate and sedimentation.Thus, the flocculate flocculating setting containing arsenic in liquid after parsing is made.
Equipment for separating liquid from solid 500：According to embodiment of the present utility model, the equipment for separating liquid from solid 500 has liquid after sedimentation
Waste acid outlet after entrance, second exhaust port, waste residue outlet and purification, wherein, liquid entrance and liquid outlet phase after sedimentation after sedimentation
Even, liquid after sedimentation is subjected to separation of solid and liquid processing, obtains the waste acid after waste residue and purification.Thus, consolidating in liquid after settling is removed
Body residue, purify waste acid more abundant.
According to embodiment of the present utility model, the equipment for separating liquid from solid 500 is filter press.Thus, the efficiency of separation of solid and liquid
Height, effect are good.
According to embodiment of the present utility model, the system further comprises：Wash mill (not shown), washing dress
Put with after washing gas entrance and washing after gas vent, wherein, treat washing gas entrance respectively with tail gas washing tower 200
First row gas port, the second exhaust port of equipment for separating liquid from solid 500 are connected with the hydrogen sulfide gas outlet of synthesizer 900, and led to
Cross blower fan all to put together the gas in this tail gas washing tower 200, equipment for separating liquid from solid 500 and synthesizer 900, to gas
Body is washed, and prevents the hydrogen sulfide in gas from escaping, and pollutes environment.
With reference to figure 2, according to embodiment of the present utility model, the system further comprises：Deentrainment tower 1000, the deentrainment tower
1000 have hydrogen sulfide entrance to be clean and the outlet of purification after cure hydrogen, wherein, the sulphur of purification hydrogen sulfide entrance and synthesizer
Change hydrogen outlet to be connected, for carrying out purified treatment to hydrogen sulfide gas, remove the impurity in hydrogen sulfide gas.
For the ease of understanding the system of above-mentioned purification waste acid, herein, there is provided a kind of using embodiment of the present utility model
The method that the system of waste acid carries out purified treatment to waste acid is purified, concrete processing procedure is as follows：
(1) hydrogen of the output of electrolysis unit 700 is purified to obtain pure hydrogen by purification devices 1000.
(2) pure hydrogen is passed through from the bottom of synthesizer 900, liquid sulfur is entered by high potential difference and synthesized in sulfur melting groove 800
Device 900, from hydrogen sulfide caused by synthesizer 900 after the purified treatment of deentrainment tower 1000, obtain pure hydrogen sulfide gas.
(3) waste acid enters three-level sulfur tank 100 by waste acid delivery pump, and waste acid is entered from three-level sulfur tank through two level sulfur tank
Enter one-level sulfur tank liquid leakage, the hydrogen sulfide gas come out from deentrainment tower 1000 is introduced into one-level sulfur tank, through two level sulfur tank most
Three-level sulfur tank is reached afterwards, and every grade of sulfur tank allows hydrogen sulfide to be contacted with acid solution by the second rotary-cut stream shower nozzle 600, liquid after vulcanization
Parsing groove 300 is out delivered to from one-level sulfur tank, the tail gas come out from three-level sulfur tank connects tail gas washing tower 200, it is ensured that
Tail gas qualified discharge (vulcanized sodium of generation returns to three-level sulfur tank, is used as vulcanizing agent).
(4) liquid carries out dissection process by parsing groove 300 after vulcanizing, and the fluorine and chlorine gone in vulcanisation rear liquid, is parsed
Liquid afterwards.
(5) liquid enters right sedimentation device 400 progress settlement treatment after parsing, and obtains liquid after flocculate and sedimentation.
(6) liquid carries out separation of solid and liquid by equipment for separating liquid from solid 500 after settling, and obtains supernatant and waste residue, wherein, supernatant
Liquid can deliver to neutralized system recycling.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle and objective of the present utility model, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (10)
- A kind of 1. system for purifying waste acid, it is characterised in that including：Vulcanization plant, the vulcanization plant have liquid outlet and gas outlet after hydrogen sulfide entrance, waste acid entrance, vulcanization；Tail gas washing tower, the tail gas washing tower have air inlet, alkali liquor inlet, sulfide solution outlet and first row gas port, The air inlet is connected with the gas outlet；Resolver, the resolver go out with liquid outlet, hydrogen chloride outlet and hydrogen fluoride after liquid entrance, parsing after vulcanization Mouthful, liquid entrance is connected with liquid outlet after the vulcanization after the vulcanization；Sedimentation device, the sedimentation device exports with liquid after liquid entrance, flocculate outlet and sedimentation after parsing, after the parsing Liquid entrance is connected with liquid outlet after the parsing；AndEquipment for separating liquid from solid, after the equipment for separating liquid from solid is with liquid entrance, second exhaust port, waste residue outlet and purification after sedimentation Waste acid outlet, after the sedimentation liquid entrance with after the sedimentation liquid export be connected.
- 2. the system of purification waste acid according to claim 1, it is characterised in that further comprise：Electrolysis unit, the electrolysis unit have water inlet, hydrogen outlet and oxygen outlet；Sulfur melting groove, the sulfur melting groove have sulphur entrance and sulfur gas outlet；Synthesizer, the synthesizer have hydrogen inlet and sulfur gas entrance and hydrogen sulfide gas outlet, the hydrogen Entrance is connected with the hydrogen outlet, and the sulfur gas entrance is connected with sulfur gas outlet, the hydrogen sulfide gas Outlet is connected with the hydrogen sulfide entrance of the vulcanization plant.
- 3. the system of purification waste acid according to claim 2, it is characterised in that further comprise：Purification devices are described pure Makeup put including：Moisture trap, the moisture trap have hydrogen inlet, dry hydrogen outlet and water out, the hydrogen inlet It is connected with the hydrogen outlet of the electrolysis unit；Degasifier, the degasifier have dry hydrogen inlet, deoxidation hydrogen outlet and moisture outlet, the hydrogen of the drying Entrance is connected with the hydrogen outlet of the drying；Condensation dehydration device, the condensation dehydration utensil have deoxidation hydrogen inlet, condensation dehydration hydrogen outlet and condensation-water drain, institute Deoxidation hydrogen inlet is stated with the deoxidation hydrogen outlet to be connected；Molecular sieve adsorption drier, the molecular sieve adsorption drier has condensation dehydration hydrogen inlet and the hydrogen outlet that dries, The condensation dehydration hydrogen inlet is connected with the condensation dehydration hydrogen outlet, hydrogen outlet and the synthesizer of drying Hydrogen inlet be connected.
- 4. the system of purification waste acid according to claim 1, it is characterised in that the resolver is to parse groove, and institute Stating parsing groove has：Temperature controller, it is 60-70 DEG C that the temperature controller, which controls the temperature in the parsing groove,；Pressure regulator, the pressure regulator regulation pressure parsed in groove is 0.7-0.8MPa.
- 5. the system of purification waste acid according to claim 1, it is characterised in that further comprise：First rotary-cut stream shower nozzle, the first rotary-cut stream shower nozzle are arranged on liquid porch after the vulcanization of the parsing groove.
- 6. the system of purification waste acid according to claim 2, it is characterised in that further comprise：Wash mill, the wash mill has the gas vent after washing gas entrance and washing, described to treat that washing gas enter Mouth the first row gas port with the tail gas washing tower, the second exhaust port of the equipment for separating liquid from solid and the synthesizer respectively Hydrogen sulfide gas outlet be connected.
- 7. the system of purification waste acid according to claim 2, it is characterised in that further comprise：Deentrainment tower, the deentrainment tower have hydrogen sulfide entrance to be clean and the outlet of purification after cure hydrogen, and the purification hydrogen sulfide enters Mouth is connected with the hydrogen sulfide gas outlet of the synthesizer.
- 8. the system of purification waste acid according to claim 1, it is characterised in that the vulcanization plant is three-level sulfur tank.
- 9. the system of purification waste acid according to claim 8, it is characterised in that further comprise：Second rotary-cut stream shower nozzle, the second rotary-cut stream shower nozzle are arranged at least one-level sulfur tank of the three-level sulfur tank.
- 10. the system of purification waste acid according to claim 8, it is characterised in that the hydrogen sulfide entrance is located at described three The bottom of first order sulfur tank in level sulfur tank, the waste acid entrance are located at the third level vulcanization in the three-level sulfur tank Groove, and the third level sulfur tank is connected with the sulfide solution outlet of the tail gas washing tower.
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| CN201720985776.2U CN207062041U (en) | 2017-08-08 | 2017-08-08 | The system for purifying waste acid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111499038A (en) * | 2020-04-22 | 2020-08-07 | 沈阳鑫迪环境技术有限公司 | Method for combined demercuration in complex chemical high-mercury-content waste acid liquid |
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2017
- 2017-08-08 CN CN201720985776.2U patent/CN207062041U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111499038A (en) * | 2020-04-22 | 2020-08-07 | 沈阳鑫迪环境技术有限公司 | Method for combined demercuration in complex chemical high-mercury-content waste acid liquid |
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