CN210676330U - Complete high-efficiency treatment equipment for mercury-containing or organic pollution solid waste - Google Patents
Complete high-efficiency treatment equipment for mercury-containing or organic pollution solid waste Download PDFInfo
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- CN210676330U CN210676330U CN201921573062.6U CN201921573062U CN210676330U CN 210676330 U CN210676330 U CN 210676330U CN 201921573062 U CN201921573062 U CN 201921573062U CN 210676330 U CN210676330 U CN 210676330U
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Abstract
The utility model discloses a complete set high-efficiency treatment equipment and method of mercury-containing or organic pollution solid waste, the utility model discloses complete set treatment equipment includes that thermal desorption sled piece, tail gas treatment sled piece, pollutant are caught, enrichment sled piece and water treatment sled piece. Solid-phase, liquid-phase and gas-phase pollutants in the treatment process of the mercury-containing or organic-polluted solid waste are treated by a set of prying block devices, each prying block is provided with an independent operating system and an early warning system, the integral operation is formed, but each working space is independent, the operation environments are not interfered with each other, the mercury-containing or organic-polluted solid waste can be efficiently treated, and the method has the characteristics of good environmental safety, strong applicability and mobility, stable treatment effect, high automation control degree and convenience in management and operation.
Description
Technical Field
The utility model relates to a complete set of high-efficiency treatment equipment and method for solid polluted waste, in particular to the treatment and disposal aspects of mercury-containing or organic polluted solid waste, belonging to the technical field of thermal separation treatment.
Background
Soil is an important component of the material foundation and ecological environment on which human beings rely for survival. With the rapid development of industry and agriculture, heavy metals or organic pollution solid wastes which are left over in the development process of industry and agriculture and are produced in the production places, wastes (slag, soil, sediments and the like) and industries (petroleum, metallurgy, chemical industry and the like) seriously threaten the health of human beings. The treatment technology of the polluted solid waste becomes the key point and the focus of the research of all countries in the world, and the development of the treatment technology with reasonable economic value and strong applicability by combining the national conditions of China is the current and future important development direction of China and even all countries in the world.
In recent years, the technologies for treating mercury-containing or organic pollution solid waste mainly include a stabilization solidification repair technology, a bioremediation technology, a chemical leaching technology, an electric repair technology, a thermal separation treatment technology and the like. Wherein, the stabilization curing repair technology has long-term timeliness risk; the bioremediation technology has the disadvantages of long repair period, high requirement on treatment conditions, low benefit and unsuitability for mechanized operation; the disadvantage of chemical leaching is that the toxicity of the contaminants cannot be reduced; electrokinetic remediation is not suitable for large volumes of solid waste with high concentrations of pollutants. The thermal separation treatment technology comprises an incineration technology and a thermal desorption technology, and the common defects of the thermal separation treatment technology are that the tail gas treatment difficulty is high and the energy consumption of the incineration technology is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a complete set high efficiency processing equipment who contains mercury or organic pollution solid waste can high efficiency treatment contain mercury or organic pollution solid waste, takes complete set sled piece device to solid phase, liquid phase and gaseous phase medium processing, has that environmental security is good, suitability and mobility are strong, the treatment effect is stable, the characteristics of the management and operation of being convenient for.
In order to achieve the above object, the utility model provides a following technical scheme:
a complete set of high-efficiency treatment equipment for solid waste containing mercury or organic pollution comprises a thermal desorption pry block, a tail gas treatment pry block, a pollutant capture enrichment pry block and a water treatment pry block;
the thermal desorption prying block comprises a storage hopper, a feeding belt conveyor, a vibrating screen, a scraping plate machine, a feeding hopper, a feeding air locker, a thermal desorption chamber, a discharging auger, a discharging air locker and a double-shaft humidifying discharging machine which are connected in sequence; a spiral feeding flood dragon is arranged in the thermal desorption chamber, and a thermal desorption combustion chamber is arranged outside the thermal desorption chamber; the top of the thermal desorption combustion chamber is provided with a thermal desorption chimney, the bottom of the thermal desorption combustion chamber is provided with a plurality of burners, and the side part of the thermal desorption combustion chamber is connected with an air blower; the gas outlet at the top of the thermal desorption chamber is also connected with a cyclone dust collector, and is sequentially connected with a heat exchanger and a washing tower; the cyclone dust collector is also connected with a dust collection tank, the heat exchanger is connected with an oil storage tank, and the washing tower is connected with a slurry temporary storage tank;
the tail gas treatment skid block is connected with a washing tower of the thermal desorption skid block through a draught fan A; the device comprises an active carbon adsorption tower I, an active carbon adsorption tower II and an active carbon adsorption tower III which are sequentially connected, wherein the active carbon adsorption tower III is sequentially connected with a high-pressure induced draft fan B and an active carbon adsorption tower chimney;
the pollutant capturing and enriching pry block is connected with a slurry temporary storage tank below the thermal desorption pry block washing tower through a lifting pump A; the device comprises a slurry storage tank, a coagulation stirring and capturing device, a decrement enrichment device and a gas activated carbon adsorption tower IV which are sequentially connected; the coagulation stirring and capturing device is connected with the dosing device; the gas activated carbon adsorption tower IV is connected with a draught fan C; the decrement enrichment device is connected with the filtrate temporary storage box;
the filtrate temporary storage box is provided with a filtrate pump and is connected with a filtrate storage tank connected with the water treatment prying block; the water treatment skid block comprises a filtrate storage tank, a filtrate lifting pump B, a multi-variable-pressure integrated ecological membrane filter, a filtered water storage tank, an effluent lifting pump C, an ion exchange tank and a clear water storage tank which are sequentially connected; the multi-pressure-swing integrated ecological membrane filter also forms a circulation loop with a membrane recovery and separation sieve, and the membrane recovery and separation sieve is connected with a slurry storage tank for capturing and enriching pollutant pry blocks; the clear water storage tank is connected with a double-shaft humidifying discharging machine of the thermal desorption prying block and a washing tower.
Preferably, the ecological membrane adopted by the multi-variable-pressure integrated ecological membrane filter is a recyclable and pollution-free organic fiber material.
The utility model comprises a middle dosing device A, a dosing device B and a dosing device C, wherein the reagent addition amount and concentration of each device are added according to the characteristics and concentrations of different pollutants; the filling material of the ion exchange tank is filled with corresponding adsorbing materials according to different pollution characteristics.
Compared with the prior art, the utility model has the advantages that:
1. through the comprehensive treatment of the thermal desorption pry block, the tail gas treatment pry block, the pollutant capture enrichment pry block and the water treatment pry block, the mercury-containing or organic pollution solid waste is efficiently treated, and the environment is protected.
2. The floor area of the pollutant capturing and enriching pry block and the water treatment pry block is reduced, the running time of the pollutant capturing and enriching pry block is shortened, and the running cost is greatly saved.
3. Flue gas that burning produced in the thermal desorption combustion chamber and the gas that the indoor thermal desorption of thermal contact produced have the independent channel, and thermal desorption process gas production is few, and the pollutant is through the active carbon adsorption tower of three-level packing modified active carbon, has avoided producing the influence to ordinary active carbon after the gas liquefaction, and multistage absorption can ensure that tail gas treatment is stable up to standard for a long time.
4. The pollutant is captured and enriched by the pollutant capture prying block, so that the concentration of the pollutant in water is effectively reduced, and the subsequent water treatment tends to be simplified and stabilized.
5. The multi-variable-pressure integrated ecological membrane filter effectively solves the problems that the membrane is easy to block and damage due to long-term traditional membrane filtration, and the ecological membrane can be recycled through a membrane recycling and sorting sieve, so that the cost is low and the treatment efficiency is high; and the pollutants generated by the membrane recovery and separation sieve are recycled to the pollutant capture and enrichment skid block for treatment, so that the cyclic treatment is realized.
6. A circulating treatment system is formed between the whole devices, and clean water generated by the water treatment prying block is reasonably utilized.
7. Each prying block can be controlled through an independent operating system, integral operation is formed, each working space is independent and does not interfere with each other, operation is convenient, and environmental friendliness is high.
Drawings
Fig. 1 is a schematic structural view of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, a complete set of high efficiency treatment equipment for solid waste containing mercury or organic pollutants includes a thermal desorption skid block, a tail gas treatment skid block, a pollutant capture and enrichment skid block, and a water treatment skid block;
the thermal desorption skid block comprises a storage hopper 1, a feeding belt conveyor 2, a vibrating screen 3, a scraper conveyor 4, a feeding hopper 5, a feeding air locker 6, a thermal desorption chamber 7, a discharging auger 16, a discharging air locker 17 and a double-shaft humidifying discharging machine 18 which are connected in sequence; a spiral feeding flood dragon 21 is arranged in the thermal desorption chamber 7, and a thermal desorption combustion chamber 46 is arranged outside the thermal desorption chamber; the top of the thermal desorption combustion chamber 46 is provided with a thermal desorption chimney 19, the bottom is provided with a plurality of burners 8, and the side part is connected with an air blower 15; a gas outlet at the top of the thermal desorption chamber 7 is also connected with a cyclone dust collector 9, and is sequentially connected with a heat exchanger 13 and a washing tower 14; the cyclone dust collector 9 is also connected with a dust collection tank 10, the heat exchanger 13 is connected with an oil storage tank 11, and the washing tower 14 is connected with a slurry temporary storage tank 12;
the tail gas treatment skid block is connected with a washing tower 14 of the thermal desorption skid block through a draught fan A20; the device comprises an activated carbon adsorption tower I22, an activated carbon adsorption tower II 23 and an activated carbon adsorption tower III 24 which are sequentially connected, wherein the activated carbon adsorption tower III 24 is sequentially connected with a high-pressure induced draft fan B25 and an activated carbon adsorption tower chimney 26;
the pollutant capturing and enriching pry block is connected with a slurry temporary storage tank 12 below the thermal desorption pry block washing tower 14 through a water inlet pump 27; the device comprises a slurry storage tank 28, a coagulation stirring and capturing device 32, a decrement enrichment device 33 and a gas activated carbon adsorption tower IV 34 which are sequentially connected; the coagulation stirring catching device 32 is connected with a dosing device A29, a dosing device B30 and a dosing device C31; the gas activated carbon adsorption tower IV 34 is connected with an induced draft fan C35; the decrement enrichment device 33 is connected with a filtrate temporary storage tank 37;
the filtrate temporary storage tank 37 is provided with a filtrate pump 36 and is connected with a filtrate storage tank 38 connected with a water treatment pry block; the water treatment skid block comprises a filtrate storage tank 38, a filtrate lift pump B39, a multi-variable-pressure integrated ecological membrane filter 40, a filtered water storage tank 42, an effluent lift pump C43, an ion exchange tank 44 and a clean water storage tank 45 which are connected in sequence; the multi-variable-pressure integrated ecological membrane filter 40 and the membrane recycling and separating screen 41 form a circulation loop, and the membrane recycling and separating screen 41 is connected with the slurry storage tank 28 of the pollutant capturing and enriching skid block; the clean water storage tank 45 is connected with the double-shaft humidifying discharging machine 18 of the thermal desorption pry block and the washing tower 14.
The method for treating the solid waste by using the complete high-efficiency treatment equipment containing mercury or organic polluted solid waste comprises the following specific steps:
conveying solid pollutants from a storage chamber 1 through a feeding belt conveyor 2, removing stones through a vibrating screen 3, conveying a feeding hopper 5 through a scraper conveyor 4, and screening the solid pollutants to ensure that the particle size is less than 3cm and the water content is less than 25%; the solid pollutants are fed into a thermal desorption chamber 7 of the thermal desorption pry block by opening a feeding gas locking device 6, and are fully combusted in the thermal desorption combustion chamber 7 under the rotating push of a spiral feeding dragon 21 in the thermal desorption chamber 7, so that the thermal desorption is fully treated; after the materials subjected to thermal desorption are pushed out from the thermal desorption chamber 7, the materials are conveyed to a double-shaft humidifying discharging machine 18 through a spiral discharging dragon 16 to be humidified and cooled, and clean wastes are obtained; after dust and waste gas generated by thermal desorption treatment of solid pollutants in the thermal desorption chamber 7 are treated by a cyclone dust collector 9, a heat exchanger 13 and a washing tower 14, and the residual waste gas is purified and sequentially treated by an activated carbon adsorption tower I22, an activated carbon adsorption tower II 23 and an activated carbon adsorption tower III 24 of a tail gas treatment skid block to obtain the waste gas reaching the standard and then discharged; dust treated by the cyclone dust collector 9 is stored in a dust collection tank 10, oil stains in waste gas can be condensed and removed by a heat exchanger 13 and stored in an oil storage tank 11, dust and waste gas generated by thermal desorption treatment are finally sprayed and washed by a washing tower 14, condensed slurry formed after washing is stored in a slurry temporary storage tank 12, the condensed slurry is transferred to a coagulation stirring and catching device 32 of a pollutant catching and enriching pry block through a lifting pump A27, a reagent is added to the dust and waste gas through a medicine adding device A29, a medicine adding device B30 and a medicine adding device C31 to perform coagulation reaction with the dust and the pollutant so as to catch the slurry, filter pressing is performed through a reduction and enrichment device 33, a small amount of generated solid waste is stored in a special bag, filter liquor after filter pressing is temporarily stored in a filter liquor temporary storage tank 37, the filter liquor is stored in a filter liquor storage tank 38 of a water treatment pry block through a filter liquor pump 36, and is transferred to, Filtering the organic fiber material ecological membrane without pollution, carrying out advanced treatment from an effluent lifting pump C43 to an ion exchange tank 44 to obtain clean water, and storing the clean water in a clean water storage tank 45; a washing tower 14 and a dual-shaft humidifying discharging machine 18 for circulating clean water in a clean water storage tank 45; meanwhile, after the ecological membrane of the multi-variable-pressure integrated ecological membrane filter 40 in the water treatment skid block is used and filtered for a period of time, the attached pollutants reach a certain amount and then automatically fall off to the membrane recycling and sorting sieve 41 for re-cleaning, then the ecological membrane returns to the multi-variable-pressure integrated ecological membrane filter 40 for re-use, and the cleaned wastes are discharged to the slurry storage tank 28 of the pollutant capturing and enriching skid block for re-treatment.
The utility model discloses a middle dosing device A29, a dosing device B30 and a dosing device C31, wherein the reagent addition amount and concentration of each device are added according to the characteristics and concentrations of different pollutants; the ion exchange tank 44 is filled with a filler material according to the characteristics of different contaminants.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (3)
1. A complete set of high-efficiency treatment equipment for solid waste containing mercury or organic pollution is characterized by comprising a thermal desorption pry block, a tail gas treatment pry block, a pollutant capture and enrichment pry block and a water treatment pry block;
the thermal desorption pry block comprises a storage hopper (1), a feeding belt conveyor (2), a vibrating screen (3), a scraper conveyor (4), a feeding hopper (5), a feeding air locker (6), a thermal desorption chamber (7), a discharging auger (16), a discharging air locker (17) and a double-shaft humidifying discharging machine (18) which are connected in sequence; a spiral feeding flood dragon (21) is arranged in the thermal desorption chamber (7), and a thermal desorption combustion chamber (46) is arranged outside the thermal desorption chamber; the top of the thermal desorption combustion chamber (46) is provided with a thermal desorption chimney (19), the bottom is provided with a plurality of burners (8), and the side part is connected with a blower (15); a gas outlet at the top of the thermal desorption chamber (7) is also connected with a cyclone dust collector (9) and is sequentially connected with a heat exchanger (13) and a washing tower (14); the cyclone dust collector (9) is also connected with a dust collection tank (10), the heat exchanger (13) is connected with an oil storage tank (11), and the washing tower (14) is connected with a slurry temporary storage tank (12);
the tail gas treatment skid block is connected with a washing tower (14) of the thermal desorption skid block through a draught fan A (20); the device comprises an active carbon adsorption tower I (22), an active carbon adsorption tower II (23) and an active carbon adsorption tower III (24) which are sequentially connected, wherein the active carbon adsorption tower III (24) is sequentially connected with a high-pressure induced draft fan B (25) and an active carbon adsorption tower chimney (26);
the pollutant capturing and enriching pry block is connected with a slurry temporary storage tank (12) below the thermal desorption pry block washing tower through a lifting pump A (27); the pollutant capturing and enriching pry block also comprises a slurry storage tank (28), a coagulating stirring and capturing device (32), a decrement enriching device (33) and a gas activated carbon adsorption tower IV (34), which are sequentially connected; the coagulation stirring catching device (32) is connected with a dosing device; the gas activated carbon adsorption tower IV (34) is connected with a draught fan C (35); the decrement enrichment device (33) is connected with a filtrate temporary storage box (37);
the filtrate temporary storage box (37) is provided with a filtrate pump (36) and is connected with a filtrate storage tank (38) of the water treatment pry block; the water treatment skid block comprises a filtrate storage tank (38), a filtrate lift pump B (39), a multi-variable-pressure integrated ecological membrane filter (40), a filtered water storage tank (42), an effluent lift pump C (43), an ion exchange tank (44) and a clear water storage tank (45) which are sequentially connected; the multi-variable-pressure integrated ecological membrane filter (40) and a membrane recycling and separating sieve (41) form a circulation loop, and the membrane recycling and separating sieve (41) is connected with a slurry storage tank (28) of the pollutant capturing and enriching pry block; the clear water storage tank (45) is connected with a double-shaft humidifying discharging machine (18) of the thermal desorption pry block and a washing tower (14).
2. The integrated efficient treatment equipment for solid waste containing mercury or organic pollutants according to claim 1, wherein the medicine adding device comprises a medicine adding device A (29), a medicine adding device B (30) and a medicine adding device C (31).
3. The integrated high efficiency treatment facility for mercury-containing or organic contaminated solid waste according to claim 1, wherein the integrated ecological membrane filter (40) with multiple pressure swing uses an ecological membrane which is a recyclable and non-polluting organic fiber material.
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| CN201921573062.6U CN210676330U (en) | 2019-09-20 | 2019-09-20 | Complete high-efficiency treatment equipment for mercury-containing or organic pollution solid waste |
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| CN201921573062.6U CN210676330U (en) | 2019-09-20 | 2019-09-20 | Complete high-efficiency treatment equipment for mercury-containing or organic pollution solid waste |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586621A (en) * | 2019-09-20 | 2019-12-20 | 中核环保产业有限公司 | Complete set of efficient treatment equipment and method for mercury-containing or organic pollution solid waste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586621A (en) * | 2019-09-20 | 2019-12-20 | 中核环保产业有限公司 | Complete set of efficient treatment equipment and method for mercury-containing or organic pollution solid waste |
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