CN211771102U - Useless integrated processing system of organic danger - Google Patents
Useless integrated processing system of organic danger Download PDFInfo
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- CN211771102U CN211771102U CN202020017720.XU CN202020017720U CN211771102U CN 211771102 U CN211771102 U CN 211771102U CN 202020017720 U CN202020017720 U CN 202020017720U CN 211771102 U CN211771102 U CN 211771102U
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Abstract
The utility model provides an organic hazardous waste comprehensive treatment system, which comprises a solid phase storage and transportation unit, a solid-liquid storage and transportation unit, a liquid phase storage and transportation unit, a crushing and screening unit, a solid-liquid separation unit, a wet grinding unit, an organic liquid separation unit, an organic liquid storage tank, a water treatment unit, a buffer tank, a pulping unit, a gasification unit, a crude gas purification unit, an air separation unit and a waste residue treatment unit, a solid-liquid storage and transportation unit, a solid-liquid separation unit, a wet grinding unit and a buffer tank, the pulping unit and the gasification unit are connected in sequence, the solid-phase storage and transportation unit is connected to the cache pool through the crushing and screening unit, the liquid-phase storage and transportation unit is connected to the solid-liquid separation unit, the organic liquid storage tank and the water treatment unit through the organic liquid separation unit, the organic liquid storage tank is connected to the pulping unit, and the gasification unit is connected to the crude gas purification unit, the air separation unit and the waste residue treatment unit. By storing, conveying and uniformly treating the multiphase organic hazardous wastes in a classified manner, various emissions are harmless and are recycled.
Description
Technical Field
The utility model relates to an useless processing technology field of organic danger, concretely relates to useless integrated processing system of organic danger.
Background
With the rapid migration of society and the rapid development of industry, there are also more and more serious environmental problems in which organic hazardous wastes are one of the objects that are difficult to dispose of reasonably. The existing methods for treating hazardous wastes can be classified according to hazardous wastes in different phase states, wherein the solid phase treatment methods comprise an incineration method, a pyrolysis method, a solidification method, a landfill method and the like; the liquid phase treatment method comprises coagulation, chemical precipitation, oxidation reduction, adsorption and desorption, ion exchange, incineration and the like; the gas phase treatment method includes sedimentation, air flotation, filtration, distillation and the like. The method is mainly used for treating the organic hazardous wastes which are difficult to treat, such as waste activated carbon, rectification residues, chemical fractions, waste ion exchange resin, chromium-containing leather and other wastes in an incineration mode so as to achieve the aim of reducing the quantity. The incineration method not only is easy to generate secondary pollution, but also cannot recycle organic components of wastes.
The increasing contradiction between the continuous consumption of world non-renewable energy and the increasing demand for energy by human beings has made the energy problem an international problem and become more and more serious. The process utilizes the gasification technology to treat the organic hazardous waste with the calorific value, not only greatly reduces the volume of the organic hazardous waste, but also reduces the harm of the organic hazardous waste to the environment, simultaneously generates crude fuel gas with certain calorific value and utilization value, has no secondary pollution in the whole process flow, and realizes the harmlessness of discharged slag, liquid and gas.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough that prior art is overcome to the purpose, provides an useless integrated processing system of organic danger, through with the organic hazardous waste of solid-phase, the organic hazardous waste of solid-phase and the organic hazardous waste classified storage of liquid phase, the mode of categorised transport, unified processing has realized the integrated processing of multiple organic hazardous waste. Treating the obtained gas to obtain CO and H with a certain heat value2The fuel gas realizes the harmless and recycling of tail gas; one part of the wastewater generated by treatment can be reused as reuse water after treatment, and the other part of the wastewater can be discharged after water treatment and reaching the standard, so that the wastewater is harmless; the slag discharged by the treatment is common solid waste, so that the harmlessness and the reduction of the organic hazardous waste are realized.
The purpose of the utility model is achieved through the following technical measures: an organic hazardous waste comprehensive treatment system comprises a solid phase storage and transportation unit, a solid-liquid storage and transportation unit, a liquid phase storage and transportation unit, a crushing and screening unit, a solid-liquid separation unit, a wet grinding unit, an organic liquid separation unit, an organic liquid storage tank, a water treatment unit, a buffer tank, a pulping unit, a gasification unit, a crude gas purification unit, an air separation unit and a waste residue treatment unit, wherein the solid-liquid storage and transportation unit, the solid-liquid separation unit, the wet grinding unit, the buffer tank, the pulping unit and the gasification unit are sequentially connected, the solid phase storage and transportation unit is connected into the buffer tank through the crushing and screening unit, the liquid phase storage and transportation unit is connected with the inlet end of the organic liquid separation unit, the outlet end of the organic liquid separation unit is connected with the organic liquid storage tank and the water treatment unit in parallel, the other end of the organic liquid storage tank is connected into the pulping unit, and the liquid phase of the solid-liquid separation unit is connected to the organic liquid separation unit.
Further, the waste water generated by the gasification unit is connected to a water treatment unit to be used as recycled water and/or discharged after reaching the standard.
Further, the solid-phase storage and transportation unit is used for independently transporting and storing the solid-phase organic hazardous waste, the solid-liquid storage and transportation unit is used for independently transporting and storing the solid-liquid organic hazardous waste, and the liquid-phase storage and transportation unit is used for independently transporting and storing the liquid-phase organic hazardous waste.
Furthermore, crushing and screening unit, including solid phase feed arrangement, breaker, explosion-proof machine and screening machine of grinding, feed arrangement, breaker, explosion-proof machine and screening machine connect gradually.
Further, the screening machine returns solid-phase organic hazardous waste larger than 200 meshes to the explosion-proof grinding machine for circular grinding.
Further, the solid-liquid separation unit comprises a filter sieve, a settling tank and a cyclone separator, the filter sieve is connected with the settling tank, the filter sieve sends the intercepted solid-phase materials into the wet grinding unit, and the settling tank is connected with the cyclone separator.
Furthermore, the wet grinding unit comprises a homogenizing stirrer, a centrifugal grinding pump and a vibrating screen, the homogenizing stirrer is connected with one end of the centrifugal grinding pump, the other end of the centrifugal grinding pump is connected with the vibrating screen, and the vibrating screen sends the intercepted solid-phase materials into the homogenizing stirrer for circulation treatment.
Further, the organic liquid separation unit comprises a homogenizing tank and an organic liquid separation tank, wherein the homogenizing tank is connected with one end of the organic liquid separation tank, and the other end of the organic liquid separation tank is connected with an organic liquid storage tank.
Further, the pulping unit comprises an organic slurry mixing tank, a medicament feeding device, a stirring device and an organic slurry storage tank, wherein the organic slurry mixing tank is connected with the medicament feeding device and the organic slurry storage tank respectively, the stirring device is arranged in the organic slurry mixing tank, and the organic slurry storage tank is connected with the gasification unit.
Further, the waste residue processing unit comprises a waste residue cooling device, a slag breaking machine and a slag hopper, one end of the waste residue cooling device is connected with the gasification unit, the other end of the waste residue cooling device is connected with the slag breaking machine, and the other end of the slag breaking machine is connected with the slag hopper.
Compared with the prior art, the beneficial effects of the utility model are that: the comprehensive treatment of various organic hazardous wastes is realized by classified storage, classified conveying and unified treatment of solid-phase organic hazardous wastes, solid-liquid organic hazardous wastes and liquid-phase organic hazardous wastes. Treating the obtained gas to obtain CO and H with a certain heat value2The fuel gas realizes the harmless and recycling of tail gas; one part of the wastewater generated by treatment can be reused as reuse water after treatment, and the other part of the wastewater can be discharged after water treatment and reaching the standard, so that the wastewater is harmless; the slag discharged by the treatment is common solid waste, so that the harmlessness and the reduction of the organic hazardous waste are realized.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The system comprises a solid-phase storage and transportation unit, a solid-liquid storage and transportation unit, a liquid-phase storage and transportation unit, a crushing and screening unit, a solid-liquid separation unit, a wet grinding unit, an organic liquid separation unit, an organic liquid storage tank, a water treatment unit, a buffer tank, a slurry preparation unit, a gasification unit, a crude gas purification unit, an air separation unit, a crude gas purification unit.
Detailed Description
As shown in figure 1, the comprehensive treatment system for organic hazardous waste comprises a solid phase storage and transportation unit 1, a solid-liquid storage and transportation unit 2, a liquid phase storage and transportation unit 3, a crushing and screening unit 4, a solid-liquid separation unit 5, a wet grinding unit 6, an organic liquid separation unit 7, an organic liquid storage tank 8, a water treatment unit 9, a buffer tank 10, a pulping unit 11, a gasification unit 12, a crude gas purification unit 13, an air separation unit 14 and a waste residue treatment unit 15, wherein the solid-liquid storage and transportation unit 2, the solid-liquid separation unit 5, the wet grinding unit 6, the buffer tank 10, the pulping unit 11 and the gasification unit 12 are sequentially connected, the solid phase storage and transportation unit 1 is connected into the buffer tank 10 through the crushing and screening unit 4, the liquid phase storage and transportation unit 3 is connected with an inlet end of the organic liquid separation unit 7, an outlet end of the organic liquid separation unit 7 is connected with the, the other end of the organic liquid storage tank 8 is connected with a pulping unit 11, a gasification unit 12 is respectively connected with a crude gas purification unit 13, an air separation unit 14 and a waste residue treatment unit 15, and the liquid phase of the solid-liquid separation unit 5 is connected with an organic liquid separation unit 7. The gasification unit 12 is mainly an entrained flow gasifier. The slag can be discharged in a liquid state and vitrified state by adding calcium salt into the gasification unit 12, wherein the content of vitreous bodies is more than 85 percent, the slag is common solid waste, and the solid slag discharge is harmless. The air separation unit 14 comprises an air compressor, a refrigeration dryer, a filter, an air buffer tank and a pressure regulating valve. The crude fuel gas purification unit comprises a heat exchanger, a waste heat boiler, a dust removal tower, a washing tower and a desulfurization tower. The main components of the tail gas discharged by the gasification unit 12 and treated by the crude gas purification unit 13 are combustible gases such as hydrogen, carbon monoxide and the like, the effective gas components are above 80%, the gaseous emission is harmless, and the reuse of the emitted gaseous is realized. The water treatment unit 9 comprises a homogenizing tank, a secondary Fenton oxidation treatment tank, an anaerobic tank, an aerobic tank, a secondary sedimentation tank and the like. The discharged wastewater can reach the standard after being treated by the water treatment unit 9.
The waste water produced by the gasification unit 12 is connected to the water treatment unit 9 as recycled water and/or discharged after reaching standards.
The solid-phase storage and transportation unit 1 is used for independently transporting and storing solid-phase organic hazardous wastes, the solid-liquid storage and transportation unit 2 is used for independently transporting and storing solid-liquid organic hazardous wastes, and the liquid-phase storage and transportation unit 3 is used for independently transporting and storing liquid-phase organic hazardous wastes. Solid phase, liquid phase and solid-liquid mixed phase organic hazardous waste are stored in a classified mode, transported in a classified mode, mixed in a certain proportion to prepare hazardous waste slurry, and processed in a unified mode. The solid-phase organic hazardous waste comprises carbon-containing organic solid waste; the liquid-phase organic hazardous waste comprises carbon-containing organic liquid; the mixed-phase organic hazardous waste comprises a mixture of carbon-containing organic solids and carbon-containing organic liquid, mixed waste of the carbon-containing organic solids and inorganic liquid phase, and mixed waste of the inorganic solids and the organic liquid phase.
The crushing and screening unit 4 comprises a solid-phase feeding device, a crusher, an explosion-proof grinding machine and a screening machine, wherein the feeding device, the crusher, the explosion-proof grinding machine and the screening machine are sequentially connected.
The screening machine returns solid-phase organic hazardous waste larger than 200 meshes to the explosion-proof grinding machine for circular grinding.
The solid-liquid separation unit 5 comprises a filter sieve, a settling tank and a cyclone separator, the filter sieve is connected with the settling tank, the filter sieve sends intercepted solid-phase materials into the wet grinding unit 6, and the settling tank is connected with the cyclone separator.
The wet grinding unit 6 comprises a homogenizing stirrer, a centrifugal grinding pump and a vibrating screen, the homogenizing stirrer is connected with one end of the centrifugal grinding pump, the other end of the centrifugal grinding pump is connected with the vibrating screen, and the vibrating screen sends the intercepted solid-phase materials into the homogenizing stirrer for circulation treatment.
The organic liquid separation unit 7 comprises a homogenizing tank and an organic liquid separation tank, wherein the homogenizing tank is connected with one end of the organic liquid separation tank, and the other end of the organic liquid separation tank is connected with an organic liquid storage tank 8.
Slurrying unit 11 includes that organic thick liquid mixing pond, medicament are thrown feeder apparatus, agitating unit, organic thick liquid storage tank, organic thick liquid mixing pond is connected with medicament throwing feeder apparatus, organic thick liquid storage tank respectively, agitating unit establishes in organic thick liquid mixing pond, and organic thick liquid storage tank is connected with gasification unit 12.
The waste residue processing unit 15 comprises a waste residue cooling device, a slag breaking machine and a slag hopper, one end of the waste residue cooling device is connected with the gasification unit 12, the other end of the waste residue cooling device is connected with the slag breaking machine, and the other end of the slag breaking machine is connected with the slag hopper.
The solid phase materials are transported to a crushing and screening unit 4, the solid phase materials are ground to be below 200 meshes through an explosion-proof grinder, the solid phase materials larger than 200 meshes are screened through a screening machine, and the solid phase materials return to the explosion-proof grinder to be ground continuously; the solid-liquid mixed phase material passes through a filter sieve, the material with the diameter larger than 100mm is intercepted, the rest material enters a settling tank for settling, the solid phase material obtained by the settling tank and the filter sieve is subjected to wet grinding, and the rest material enters an organic liquid separation tank; liquid phase materials and liquid phase materials obtained by solid-liquid separation enter an organic liquid separation tank, organic components are stored in an organic liquid storage tank, and wastewater is conveyed to a water treatment unit 9 to be treated and discharged after reaching the standard. Solid-phase materials and liquid-phase materials meeting the conditions enter a cache pool 10, then a fluxing agent is added, the mixture is uniformly mixed and then enters a pulping unit 11, a stabilizing agent and a dispersing agent are added, and the mixture is uniformly mixed, wherein the solid-phase components of the prepared organic slurry account for 65-70%; the liquid phase component accounts for 30 to 35 percent.
The organic slurry enters a fluidized bed gasification furnace for gasification, the flow is 1-2t/h, and the adopted gasification agent is oxygen with the purity of more than 90% and the pressure of 0.5MPa, and is provided by a PSA pressure swing adsorption oxygen generator. The temperature in the gasification furnace reaches more than 1500 ℃, the slag is molten, and the content of the glass body is more than 85 percent. The crude gas enters a heat exchanger to be cooled to below 300 ℃, and the ash content is reduced to 5mg/Nm by a dust removal tower3The desulfurizing tower reduces the total sulfur to 80 mug/Nm3. The yield of the synthetic gas is 850Nm3More than 6000-10000 KJ/h. The wastewater can reach the standard and be discharged after being treated by the water treatment unit 9.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an useless integrated processing system of organic danger which characterized in that: the device comprises a solid-phase storage and transportation unit, a solid-liquid storage and transportation unit, a liquid-phase storage and transportation unit, a crushing and screening unit, a solid-liquid separation unit, a wet grinding unit, an organic liquid separation unit, an organic liquid storage tank, a water treatment unit, a buffer tank, a pulping unit, a gasification unit, a crude gas purification unit, an air separation unit and a waste residue treatment unit, wherein the solid-liquid storage and transportation unit, the solid-liquid separation unit, the wet grinding unit, the buffer tank, the pulping unit and the gasification unit are sequentially connected, the solid-phase storage and transportation unit is connected into the buffer tank through the crushing and screening unit, the liquid-phase storage and transportation unit is connected with the inlet end of the organic liquid separation unit, the outlet end of the organic liquid separation unit is connected with the organic liquid storage tank and the water treatment unit in parallel, the other end of the organic liquid, and the liquid phase of the solid-liquid separation unit is connected to the organic liquid separation unit.
2. The organic hazardous waste comprehensive treatment system according to claim 1, characterized in that: and the wastewater generated by the gasification unit is connected into a water treatment unit to be used as recycled water and/or discharged after reaching the standard.
3. The organic hazardous waste comprehensive treatment system according to claim 1, characterized in that: the solid-phase storage and transportation unit is used for independently transporting and storing solid-phase organic hazardous wastes, the solid-liquid storage and transportation unit is used for independently transporting and storing solid-liquid organic hazardous wastes, and the liquid-phase storage and transportation unit is used for independently transporting and storing liquid-phase organic hazardous wastes.
4. The organic hazardous waste comprehensive treatment system according to claim 1, characterized in that: the crushing and screening unit comprises a solid-phase feeding device, a crusher, an explosion-proof grinding machine and a screening machine, wherein the feeding device, the crusher, the explosion-proof grinding machine and the screening machine are sequentially connected.
5. The organic hazardous waste comprehensive treatment system according to claim 4, characterized in that: the screening machine returns solid-phase organic hazardous waste larger than 200 meshes to the explosion-proof grinding machine for circular grinding.
6. The organic hazardous waste comprehensive treatment system according to claim 1, characterized in that: the solid-liquid separation unit comprises a filter sieve, a settling tank and a cyclone separator, the filter sieve is connected with the settling tank, the filter sieve sends intercepted solid-phase materials into the wet grinding unit, and the settling tank is connected with the cyclone separator.
7. The organic hazardous waste comprehensive treatment system according to claim 1, characterized in that: the wet type grinding unit comprises a homogenizing stirrer, a centrifugal grinding pump and a vibrating screen, the homogenizing stirrer is connected with one end of the centrifugal grinding pump, the other end of the centrifugal grinding pump is connected with the vibrating screen, and the vibrating screen sends the intercepted solid-phase materials into the homogenizing stirrer for circulation treatment.
8. The organic hazardous waste comprehensive treatment system according to claim 1, characterized in that: the organic liquid separation unit comprises a homogenizing tank and an organic liquid separation tank, wherein the homogenizing tank is connected with one end of the organic liquid separation tank, and the other end of the organic liquid separation tank is connected with an organic liquid storage tank.
9. The organic hazardous waste comprehensive treatment system according to claim 1, characterized in that: the pulping unit comprises an organic slurry mixing tank, a medicament adding device, a stirring device and an organic slurry storage tank, wherein the organic slurry mixing tank is respectively connected with the medicament adding device and the organic slurry storage tank, the stirring device is arranged in the organic slurry mixing tank, and the organic slurry storage tank is connected with the gasification unit.
10. The organic hazardous waste comprehensive treatment system according to claim 1, characterized in that: the waste residue processing unit comprises a waste residue cooling device, a slag breaking machine and a slag hopper, one end of the waste residue cooling device is connected with the gasification unit, the other end of the waste residue cooling device is connected with the slag breaking machine, and the other end of the slag breaking machine is connected with the slag hopper.
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| CN202020017720.XU CN211771102U (en) | 2020-01-06 | 2020-01-06 | Useless integrated processing system of organic danger |
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| CN202020017720.XU CN211771102U (en) | 2020-01-06 | 2020-01-06 | Useless integrated processing system of organic danger |
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