CN209848577U - Facility for recovering metal salt product and byproduct acid from high-concentration metal ion acid-containing wastewater - Google Patents
Facility for recovering metal salt product and byproduct acid from high-concentration metal ion acid-containing wastewater Download PDFInfo
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- CN209848577U CN209848577U CN201822264662.6U CN201822264662U CN209848577U CN 209848577 U CN209848577 U CN 209848577U CN 201822264662 U CN201822264662 U CN 201822264662U CN 209848577 U CN209848577 U CN 209848577U
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Abstract
The utility model discloses a high concentration metal ion contains the vice facility of producing acid of acid waste water recovery metal salt product, the vice facility of producing acid of high concentration metal ion containing acid waste water recovery metal salt product comprises negative pressure bleed air system, gasification crystallization system, solid gas piece-rate system and condensation recovery system, the external tail gas processing system of condensation recovery system wherein. High concentration contains salt waste water and can decompose into three kinds of main products of crystallization salt, acidizing fluid and circulating water after through above-mentioned equipment to retrieve respectively through professional equipment, unable recovery's gas sprays the scrubbing through external spray column and detects the atmosphere of discharging after up to standard, through using above-mentioned equipment, the utility model discloses can realize recycling the meticulous classification of resource in the high concentration waste water, reduce environmental pollution promptly and improve economic benefits again.
Description
Technical Field
The utility model relates to an environmental protection field especially relates to a facility that high concentration metal ion contains acid waste water recovery metal salt product vice-production acid.
Background
With the development of the times, the concept of environmental protection is gradually deepened, high-concentration salt-containing wastewater is taken as one of the common wastewater in the industrial production process, the direct discharge of the high-concentration salt-containing wastewater can cause serious pollution to soil and water sources, so the high-concentration salt-containing wastewater needs to be recycled and treated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a waste water recovery equipment, can fully retrieve the resource in the high concentration waste water and recycle.
In order to solve the technical problem, the utility model discloses a technical scheme be: the facility for recovering the metal salt product and the secondary acid from the high-concentration metal ion acid-containing wastewater is composed of the following parts: the system comprises a negative pressure gas-entraining system, a gasification crystallization system, a solid-gas separation system and a condensation recovery system, wherein the condensation recovery system is externally connected with a tail gas treatment system; the negative pressure air entraining system consists of an air blowing device arranged at an air inlet end and an air inducing device arranged at an exhaust gas outlet end, and pressure drop is formed between the air blowing device and the air inducing device to guide airflow to flow in the whole pipeline system; the gasification crystallization system is a gasification crystallization bed, the bottom of the gasification crystallization bed is provided with an air inlet, the air inlet is connected with the air blast device, a plurality of burners are arranged above the air inlet, the burners are externally connected with a gas supply facility, the wall of the crystallization bed above the burners is provided with an atomizer nozzle, the atomizer nozzle is externally connected with a stock solution pipeline, and the stock solution pipeline is connected with a stock solution pool; the solid-gas separation system consists of a cyclone separator and a bag-type dust collector, the cyclone separator is connected with a gas outlet at the top of the gasification crystallization bed through a gas inlet pipeline, a gas outlet pipe of the cyclone separator is connected with the bag-type dust collector, and the bag-type dust collector is connected with a gas separator of the condensation system through a pipeline; the condensation system consists of a gas separator and a condenser, the outlet of a separation pipeline of the gas separator is respectively connected with a corresponding water vapor condenser and an acid mist condenser, the liquid outlet of the water vapor condenser is connected with a circulating water collecting pool, the liquid outlet of the acid mist condenser is connected with an acid liquid pool, the water vapor condenser and the acid mist condenser share a set of externally connected cooling water device, and the negative pressure gas outlet of the condenser is connected with the gas inlet of the negative pressure induced air device; the tail gas treatment system comprises a waste gas guide pipeline and a spray tower, the waste gas guide pipeline is connected with a gas outlet of the negative pressure induced draft device, and a waste gas outlet of the spray tower is provided with a detection alarm device.
In a preferred embodiment of the present invention, the raw liquid passes through a pipeline pressure boosting device before entering the atomizer.
In a preferred embodiment of the present invention, the position of the atomizer head does not exceed 1/3 of the total height of the gas-phase crystallization bed.
In a preferred embodiment of the present invention, the vertical distance between the atomizer head and the burner is 0.15 ~ 0.3.3 m.
In a preferred embodiment of the present invention, the bag-type dust collector is provided with a heat exchange pipeline, and the heat exchange pipeline is connected to the stock solution pipeline.
In a preferred embodiment of the present invention, the air is preheated by a heat exchanger before entering the blower.
In a preferred embodiment of the present invention, the air is preheated by a heat exchange pipeline preset on the bag-type dust collector before entering the heat exchanger for heating.
In a preferred embodiment of the present invention, the gas separator is a multi-stage continuous gas separator, an acid mist condenser is connected below each stage of gas separator, and the condensate outlets of the acid mist condensers are communicated with each other through a pipeline.
The utility model has the advantages that: the utility model discloses a technical scheme is through using control high concentration metal salt waste water to burn inside equipment to gas and salt crystal after burning are selected separately through cyclone and gas separation machine, and further separate the acid mist in the gas, have realized recycling the meticulous classification of the resource in the waste water, have reduced environmental pollution promptly and have improved economic benefits again.
Drawings
Fig. 1 is a schematic perspective view of a preferred embodiment of the present invention;
the parts in the drawings are numbered as follows:
1. the system comprises a gasification crystallization bed, 2. a cyclone separator, 3. a bag-type dust remover, 4. a gas separator, 5. an acid mist condenser, 6. a water vapor condenser, 7. an induced draft device, 8. an air blowing device, 9. a heat exchanger, 10. a stock solution tank, 11. an acid solution tank, 12. a circulating water tank, 13. a combustor, 14. an atomizer spray head.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to the drawings, a preferred embodiment of the present invention includes:
a facility for recovering metal salt product and side acid from high-concentration metal ion acid-containing wastewater comprises: the system comprises a negative pressure gas-entraining system, a gasification crystallization system, a solid-gas separation system and a condensation recovery system, wherein the condensation recovery system is externally connected with a tail gas treatment system. The negative pressure air entraining system consists of an air blowing device 8 arranged at an air inlet end and an air inducing device 7 arranged at an exhaust gas outlet end, a pressure drop is formed between the air blowing device 8 and the air inducing device 7, and strong system negative pressure can guide airflow to flow in the whole pipeline system. The gasification crystallization system is a gasification crystallization bed 1, an air inlet is formed in the bottom of the gasification crystallization bed 1 and connected with a blowing device 8, 4 burners 13 are symmetrically arranged above the air inlet, a natural gas supply facility is externally connected with the burners 13, an atomizer nozzle 14 is arranged on the wall of the crystallization bed above the burners 13, an external stock solution pipeline is connected with the atomizer nozzle 14 and connected with a stock solution tank 10, the blowing device 8 can blow air into a combustion area of the gasification crystallization bed 1 and simultaneously blow gasified dust-containing steam to flow along the direction of pressure reduction and enter the cyclone separator 2, and a natural gas supply device is externally connected with the burners 13 and uses water and carbon dioxide generated after natural gas combustion, so that other impurities cannot be introduced. The solid-gas separation system is composed of a cyclone separator 2 and a bag-type dust collector 3, the cyclone separator 2 is connected with a gas outlet at the top of the gasification crystallization bed 1 through a gas inlet pipeline, a gas outlet pipe of the cyclone separator 2 is connected with a gas inlet of the bag-type dust collector 3, and the bag-type dust collector 2 is connected with a gas separator 4 of the condensation system through a pipeline. The dust-containing steam enters the cyclone separator 2 under the guidance of system negative pressure, crystallized salt is deposited at the discharge port of the cyclone separator 2 under the action of centrifugal force and is periodically recovered by workers according to production conditions, the residual dust-containing steam enters the bag-type dust collector 3 through the air hole in the top of the cyclone separator 2, and the dust-containing steam enters the gas separator 4 of the condensation system after passing through the bag-type dust collector. The condensation system comprises gas separator 4 and condenser, the condenser divide into acid mist condenser 5 and water vapor condenser 6 two kinds, the separation pipeline of water vapor condenser 6 and the pipeline of acid mist condenser 6 are connected respectively to the separator 4 of catch water, water vapor condenser 6 and acid mist condenser 5 share one set of external cooling water installation, the condensate export of acid mist condenser 5 links to each other with acid liquor pond 11, the condensate export of water vapor condenser 6 links to each other with circulation water pond 12, the negative pressure gas outlet of condenser with the air inlet of negative pressure induced air device 7 links to each other. Tail gas processing system includes that waste gas derives pipeline and spray column, and the back edge is taken out from the condenser to remaining waste gas that can't eliminate by negative pressure induced air device 7 in waste gas derives the pipeline and gets into external spray column, discharges into the atmosphere after spraying the scrubbing, set up online pollution detection device on the gas vent of waste gas, the device links to each other with the alarm, if exhaust gas is not up to standard, alarm device can automatic start, reminds on-the-spot operating personnel to notice.
The stoste get into atomizing device before earlier through supercharging equipment, supercharging equipment is the pressure tank body, the stoste gets into the overhead tank from the stoste pond first, is pressed into the stoste pipeline by the pressure pump after the pressurization again, gets into through the heat transfer pipeline of sack cleaner 3 in the atomizer shower nozzle 14, the purpose of increasing pressure in the stoste pipeline is in order to carry the atomizing efficiency of atomizer 14.
The position of the spray head of the atomizer 14 does not exceed 1/3 of the total height of the gasification crystallization bed 1, and the position of the spray head 14 of the atomizer is too high, which easily causes that the atomized liquid enters the cyclone separator 2 without being gasified due to insufficient heating, and causes that the water content in the steam is too large.
The vertical distance between the spray head of the atomizer 14 and the combustor 13 is 0.15 ~ 0.3.3 m, the temperature of the combustion flame body is insufficient when the distance is too close, and the distance is too far, so that the atomized liquid drops are insufficiently heated.
The bag-type dust collector 3 is provided with a heat exchange pipeline, the heat exchange pipeline is connected with a stock solution pipeline, the stock solution enters the atomizer nozzle 14 after passing through the heat exchange pipeline and is atomized and then is sprayed onto the flame of the combustor 13, so that the total heat absorption amount during gasification can be reduced, and the gasification crystallization efficiency of the gasification crystallization bed 1 is improved.
The air is heated by the heat exchanger 9 before entering the blowing device 8, so that the overall temperature of the gasification crystallization bed 1 is improved, and the gasification efficiency is improved.
The air can be preheated through a heat exchange pipeline preset on the bag-type dust collector 3 before entering the heat exchanger for heating, so that the overall energy loss is reduced.
The gas separator 4 is a 3-stage continuous gas separator 4, an acid mist condenser 5 is respectively connected below each stage of gas separator 4, condensate outlets of the acid mist condensers 5 are mutually communicated through a pipeline, the water vapor and the acid mist in the steam can be thoroughly separated by the gas separator 4, and the separated gas enters the corresponding condenser for condensation through the condensation pipeline of the water vapor and the condensation pipeline of the acid mist respectively, because the main components in the acid mist separated from each stage are the same, so that the liquid outlets of all the acid mist condensers 5 can be communicated together and then the condensed acid liquid is guided into the acid mist collecting tank 11, condensed liquid of the separated water vapor after passing through the water vapor condenser 6 enters a condensed water collecting tank 12, and non-condensed gas is sucked away by an induced draft fan 7 and enters an external spray tower through a waste gas pipe.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. The facility for recovering the metal salt product and the secondary acid from the high-concentration metal ion acid-containing wastewater is characterized by comprising the following parts: the system comprises a negative pressure gas-entraining system, a gasification crystallization system, a solid-gas separation system and a condensation recovery system, wherein the condensation recovery system is externally connected with a tail gas treatment system;
the negative pressure air entraining system consists of an air blowing device arranged at an air inlet end and an air inducing device arranged at an exhaust gas outlet end, and pressure drop is formed between the air blowing device and the air inducing device to guide airflow to flow in the whole pipeline system;
the gasification crystallization system is a gasification crystallization bed, the bottom of the gasification crystallization bed is provided with an air inlet, the air inlet is connected with the air blast device, a plurality of burners are arranged above the air inlet, the burners are externally connected with a gas supply facility, the wall of the crystallization bed above the burners is provided with an atomizer nozzle, the atomizer nozzle is externally connected with a stock solution pipeline, and the stock solution pipeline is connected with a stock solution pool;
the solid-gas separation system consists of a cyclone separator and a bag-type dust collector, the cyclone separator is connected with a gas outlet at the top of the gasification crystallization bed through a gas inlet pipeline, a gas outlet pipe of the cyclone separator is connected with the bag-type dust collector, and the bag-type dust collector is connected with a gas separator of the condensation system through a pipeline;
the condensation system consists of a gas separator and a condenser, the outlet of a separation pipeline of the gas separator is respectively connected with a corresponding water vapor condenser and an acid mist condenser, the liquid outlet of the water vapor condenser is connected with a circulating water collecting pool, the liquid outlet of the acid mist condenser is connected with an acid liquid pool, the water vapor condenser and the acid mist condenser share a set of externally connected cooling water device, and the negative pressure gas outlet of the condenser is connected with the gas inlet of the negative pressure induced air device;
the tail gas treatment system comprises a waste gas guide pipeline and a spray tower, the waste gas guide pipeline is connected with a gas outlet of the negative pressure induced draft device, and a waste gas outlet of the spray tower is provided with a detection alarm device.
2. The facility for recovering the byproduct acid of the metal salt product from the high-concentration metal ion acid-containing wastewater as claimed in claim 1, wherein the stock solution passes through a pipeline supercharging device in advance before entering the atomizer.
3. The facility for recovering metal salt product and byproduct acid from high-concentration metal ion acid-containing wastewater as claimed in claim 1, wherein the position of the atomizer spray head does not exceed 1/3 of the total height of the gasification crystallization bed.
4. The facility for recovering metal salt product and byproduct acid from high-concentration metal ion acid-containing wastewater as claimed in claim 1, wherein the vertical distance between the atomizer spray head and the burner is 0.15 ~ 0.3.3 m.
5. The facility for recovering the byproduct acid of the metal salt product from the high-concentration metal ion acid-containing wastewater as claimed in claim 1, wherein a heat exchange pipeline is arranged on the bag-type dust remover, and the heat exchange pipeline is connected with a stock solution pipeline.
6. The facility for recovering the by-product acid of the metal salt from the high-concentration metal ion acid-containing wastewater as claimed in claim 1, wherein the air is preheated by a heat exchanger before entering the blower.
7. The facility for recovering the byproduct acid of the metal salt product from the high-concentration metal ion acid-containing wastewater as claimed in claim 6, wherein the air is preheated through a heat exchange pipeline preset on a bag-type dust remover before entering a heat exchanger for heating.
8. The facility for recovering metal salt product and byproduct acid from high-concentration metal ion acid-containing wastewater as claimed in claim 1, wherein the gas separator is a multi-stage continuous gas separator, an acid mist condenser is connected below each stage of gas separator, and condensate outlets of the acid mist condensers are communicated with each other through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822264662.6U CN209848577U (en) | 2018-12-31 | 2018-12-31 | Facility for recovering metal salt product and byproduct acid from high-concentration metal ion acid-containing wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822264662.6U CN209848577U (en) | 2018-12-31 | 2018-12-31 | Facility for recovering metal salt product and byproduct acid from high-concentration metal ion acid-containing wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN209848577U true CN209848577U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822264662.6U Active CN209848577U (en) | 2018-12-31 | 2018-12-31 | Facility for recovering metal salt product and byproduct acid from high-concentration metal ion acid-containing wastewater |
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| Country | Link |
|---|---|
| CN (1) | CN209848577U (en) |
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2018
- 2018-12-31 CN CN201822264662.6U patent/CN209848577U/en active Active
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