CN215637212U - High salt waste water burns and innocent treatment system - Google Patents
High salt waste water burns and innocent treatment system Download PDFInfo
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- CN215637212U CN215637212U CN202121117865.8U CN202121117865U CN215637212U CN 215637212 U CN215637212 U CN 215637212U CN 202121117865 U CN202121117865 U CN 202121117865U CN 215637212 U CN215637212 U CN 215637212U
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Abstract
The utility model discloses a high-salt-content wastewater incineration and harmless treatment system which comprises an incinerator, wherein a flue gas outlet of the incinerator is communicated with a waste heat boiler, an exhaust port of the waste heat boiler is connected with a high-temperature dust remover, the exhaust port of the high-temperature dust remover is communicated with a quench tower, a washing tower and a wet-electric whiting removal tower in sequence, and an exhaust port of the wet-electric whiting removal tower is communicated with an exhaust funnel through a draught fan; the liquid outlet of the incinerator is communicated with a water-sealed salt dissolving tank, a water distribution device communicated with the water-sealed salt dissolving tank is arranged at the water-sealed salt dissolving tank, the water-sealed salt dissolving tank is communicated with a neutralization tank through a pipeline, a solid outlet of the high-temperature dust remover is communicated with the neutralization tank, and the neutralization tank is sequentially communicated with a sedimentation tank and a filter. The utility model can effectively remove the organic components in the high-salt wastewater and carry out hydrolysis harmless treatment.
Description
Technical Field
The utility model relates to the field of waste salt incineration and harmless treatment, in particular to a high-salt-content waste water incineration and harmless treatment system.
Background
The high-salt-content wastewater is a pollutant with large yield and difficult treatment, and at present, the domestic high-salt-content wastewater treatment method mainly comprises the following steps: 1) recycling by a proper method 2), selling as a byproduct after oxidation by an advanced oxidation technology 3), and sending to a solid waste landfill for landfill treatment. The third treatment mode is the most common, but waste salt generated by many enterprises cannot be sent to a landfill site for treatment due to the requirement of environmental protection policy and unreasonable arrangement of the landfill site. Therefore, the effective recovery and treatment of the high-salt-content wastewater has very important practical significance for environmental protection and comprehensive utilization of wastes.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-salinity wastewater incineration and harmless treatment system.
The utility model has the innovation point that the organic components in the high-salt-content wastewater can be effectively removed, and the hydrolysis harmless treatment is carried out.
In order to realize the purpose of the utility model, the technical proposal of the utility model is as follows: a high-salt-content wastewater incineration and harmless treatment system comprises an incinerator, wherein a flue gas outlet of the incinerator is communicated with a waste heat boiler, an exhaust port of the waste heat boiler is connected with a high-temperature dust remover, the exhaust port of the high-temperature dust remover is sequentially communicated with a quench tower, a washing tower and a wet-electric de-whitening tower, and an exhaust port of the wet-electric de-whitening tower is communicated with an exhaust funnel through a draught fan; the liquid outlet of the incinerator is communicated with a water-sealed salt dissolving tank, a water distribution device communicated with the water-sealed salt dissolving tank is arranged at the water-sealed salt dissolving tank, the water-sealed salt dissolving tank is communicated with a neutralization tank through a pipeline, a solid outlet of the high-temperature dust remover is communicated with the neutralization tank, and the neutralization tank is sequentially communicated with a sedimentation tank and a filter.
Further, the hearth of the incinerator is of a Venturi structure. The disturbance of the air flow in the furnace is strengthened, and when the incineration rate reaches 99.9 percent, the thermal decomposition temperature can be reduced by 50-100 ℃ compared with the common furnace body structure due to the good disturbance of the air flow in the furnace, and meanwhile, the retention time can be shortened.
Furthermore, a urea injection port is arranged on a connecting pipeline of the incinerator and the waste heat boiler. And reducing NOx in the flue gas by using urea so as to reduce the content of NOx in the flue gas.
Furthermore, a spiral-flow type pressure stabilizing center cylinder is arranged in the high-temperature dust collector, the bottom of the high-temperature dust collector is of a cone structure, and the spiral-flow type pressure stabilizing center cylinder is arranged in the center of the cone structure and is communicated with an air inlet of the high-temperature dust collector. The air flow is stably lifted, and the function of promoting the separation of air and powder is also realized.
Furthermore, a plurality of filter pipes are arranged in the high-temperature dust remover, a back-blowing device is arranged in the high-temperature dust remover, and a plurality of back-blowing openings aligned with the pipe orifices of the filter pipes in the high-temperature dust remover are formed in the back-blowing device. And back flushing is performed at regular time, so that dust collection is reduced.
Furthermore, a plurality of filter pipes are arranged in the high-temperature dust remover, and the outer walls of the filter pipes are plated with high polymer material films; the high polymer material membrane material is expanded polytetrafluoroethylene fiber. And plating a film to make it have adsorption effect on dioxin.
The utility model has the beneficial effects that:
1. according to the utility model, organic components in the high-salt-content wastewater can be effectively removed to be changed into a clean inorganic salt powder solution, and then harmless treatment is carried out; and no exhaust gas is discharged.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Example 1: as shown in fig. 1, a high-salt-content wastewater incineration and harmless treatment system comprises an incinerator 1, wherein a flue gas outlet of the incinerator 1 is communicated with a waste heat boiler 2, an exhaust port of the waste heat boiler 2 is connected with a high-temperature dust remover 3, an exhaust port of the high-temperature dust remover 3 is sequentially communicated with a quench tower 4, a washing tower 5 and a wet-electric white-removing tower 6, and an exhaust port of the wet-electric white-removing tower 6 is communicated with an exhaust funnel 8 through an induced draft fan 7; a liquid outlet of the incinerator 1 is communicated with a water-sealed salt dissolving tank 9, a water distribution device 15 communicated with the water-sealed salt dissolving tank 9 is arranged at the water-sealed salt dissolving tank 9, the water-sealed salt dissolving tank 9 is communicated with a neutralization tank 10 through a pipeline, a solid outlet of the high-temperature dust remover 3 is communicated with the neutralization tank 10, and the neutralization tank 10 is communicated with a sedimentation tank 11 and a filter 12 in sequence; the hearth of the incinerator 1 is of a Venturi structure, and a urea injection port 13 is arranged on a connecting pipeline of the incinerator 1 and the waste heat boiler 2; a spiral-flow type pressure-stabilizing central cylinder 14 is arranged in the high-temperature dust remover 3, the bottom of the high-temperature dust remover 3 is of a cone structure, and the spiral-flow type pressure-stabilizing central cylinder 14 is arranged in the center of the cone structure and is communicated with an air inlet 3.1 of the high-temperature dust remover 3. A plurality of filter pipes 3.3 are arranged in the high-temperature dust remover 3, and the outer walls of the filter pipes 3.1 are plated with high polymer material films; the high polymer material membrane material is expanded polytetrafluoroethylene fiber. A back-blowing device 3.2 is arranged in the high-temperature dust remover 3, and a plurality of back-blowing openings which are aligned with the pipe orifices of the filter pipes 3.3 in the high-temperature dust remover 3 are arranged on the back-blowing device 3.2.
The working principle is as follows: spraying the high-salt-content wastewater into an incinerator 1 to perform high-temperature pyrolysis and oxidation reactions, controlling the temperature in the incinerator 1 to 1150 ℃, collecting the reacted salt after the reaction is finished, feeding the salt into a water seal salt dissolving pool, and sealing the water seal to avoid high-temperature hot gas from overflowing; the high-temperature flue gas after reaction is cooled by heat energy recovered by a waste heat boiler 2 and then enters a high-temperature dust collector 3 for dust collection, and dioxin substances and heavy metal substances in the flue gas are adsorbed; and in a temperature section with the flue gas temperature of 950-1020 ℃ on a connecting pipeline of the incinerator 1 and the waste heat boiler 2, compressed air is atomized and sprayed into urea solution to reduce the content of NOx in the flue gas. Collecting salt dust in the high-temperature dust remover 3 after the high-temperature dust remover 3 removes dust; collecting the salt water in the salt dissolving tank and the salt dust of the high-temperature dust remover 3, neutralizing and hydrolyzing by using water, wherein the salt water ratio is 1:10 during hydrolysis, precipitating by using a precipitation tank 11 after neutralization, recovering the precipitated salt, and filtering the precipitated clear water by using a filter 12 to perform harmless treatment; high-temperature flue gas combusted in the incinerator 1 enters the waste heat boiler 2 to recycle heat energy; flue gas subjected to harmless treatment by the waste heat boiler 2 is subjected to dust collection by the high-temperature dust collector 3, the flue gas subjected to dust collection by the high-temperature dust collector 3 is introduced into the quench tower 4 by the induced draft fan 7 to be cooled, then deacidification is carried out by the washing tower 5, the flue gas subjected to deacidification is subjected to harmless treatment after being whitened by the wet electric de-whitening 6, and finally the flue gas is discharged by the exhaust funnel 8.
The described embodiments are only some embodiments of the utility model, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (6)
1. A high salt waste water incineration and innocent treatment system is characterized by comprising an incinerator, wherein a flue gas outlet of the incinerator is communicated with a waste heat boiler, an exhaust port of the waste heat boiler is connected with a high-temperature dust remover, the exhaust port of the high-temperature dust remover is sequentially communicated with a quench tower, a washing tower and a wet-electric whiting removal tower, and an exhaust port of the wet-electric whiting removal tower is communicated with an exhaust funnel through a draught fan; the liquid outlet of the incinerator is communicated with a water-sealed salt dissolving tank, a water distribution device communicated with the water-sealed salt dissolving tank is arranged at the water-sealed salt dissolving tank, the water-sealed salt dissolving tank is communicated with a neutralization tank through a pipeline, a solid outlet of the high-temperature dust remover is communicated with the neutralization tank, and the neutralization tank is sequentially communicated with a sedimentation tank and a filter.
2. The high salinity wastewater incineration and innocent treatment system of claim 1, wherein, the furnace of incinerator is venturi structure.
3. The high salinity wastewater incineration and innocent treatment system of claim 1, wherein the connection pipeline of the incinerator and the exhaust-heat boiler is provided with a urea injection port.
4. The high salinity wastewater incineration and innocent treatment system of claim 1, wherein, the inside of the high temperature dust remover is provided with a rotational flow type pressure stabilizing central cylinder, the bottom of the high temperature dust remover is of a cone structure, and the rotational flow type pressure stabilizing central cylinder is arranged in the center of the cone structure and is communicated with the air inlet of the high temperature dust remover.
5. The system for incinerating and detoxifying wastewater containing high salt according to claim 1, wherein the high temperature dust collector is provided with a plurality of filter pipes, the high temperature dust collector is provided with a back-blowing device, and the back-blowing device is provided with a plurality of back-blowing openings aligned with the openings of the filter pipes in the high temperature dust collector.
6. The high salinity wastewater incineration and innocent treatment system according to claim 1, wherein a plurality of filter pipes are arranged in the high temperature dust remover, and the outer walls of the filter pipes are plated with polymer material films; the high polymer material membrane material is expanded polytetrafluoroethylene fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121117865.8U CN215637212U (en) | 2021-05-24 | 2021-05-24 | High salt waste water burns and innocent treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121117865.8U CN215637212U (en) | 2021-05-24 | 2021-05-24 | High salt waste water burns and innocent treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN215637212U true CN215637212U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121117865.8U Active CN215637212U (en) | 2021-05-24 | 2021-05-24 | High salt waste water burns and innocent treatment system |
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| CN (1) | CN215637212U (en) |
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2021
- 2021-05-24 CN CN202121117865.8U patent/CN215637212U/en active Active
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