CN204702642U - A kind of continous way Thermal decomposition device for sludge - Google Patents

A kind of continous way Thermal decomposition device for sludge Download PDF

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Publication number
CN204702642U
CN204702642U CN201520382282.6U CN201520382282U CN204702642U CN 204702642 U CN204702642 U CN 204702642U CN 201520382282 U CN201520382282 U CN 201520382282U CN 204702642 U CN204702642 U CN 204702642U
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China
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water
heat
air outlet
inlet mouth
sludge
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CN201520382282.6U
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Chinese (zh)
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李学文
林常婧
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李学文
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Abstract

The utility model relates to a kind of continous way Thermal decomposition device for sludge, comprise drying unit, carbonizing plant, circulating water device, heat exchange retrieving arrangement, feeding device, exhaust gas processing device and fuel supply device, described fuel supply device is connected with carbonizing plant with drying unit respectively; Described drying unit is connected with heat exchange retrieving arrangement.In sludge treatment equipment of the present utility model, by drying unit is connected with heat exchange retrieving arrangement, the high-temperature vapor that drying unit drying process produces is carried out heat exchange, the heat that heat exchange is reclaimed is used for the Cryogenic air after heating and dehumidification, for the drying process of drying unit after Cryogenic air heating, the heat reusable edible of whole drying process, heat energy loss is little, and the continuous circulation of whole sludge handling process runs initially to provide primary energy just can ensure.

Description

A kind of continous way Thermal decomposition device for sludge

Technical field

The utility model relates to technical field of sludge treatment, is specifically related to a kind of continous way sludge hot decomposing system.

Background technology

Along with the quickening of urbanization process paces, the quantum of output of municipal sludge is also synchronously significantly increasing, and the composition of mud is very complicated, comprises organism, inorganics, microorganism, heavy metal, salt etc.

In prior art, the Commodity flow in municipal sludge treatment system can be divided into four classes: sludge stream, hot gas flow, airflow and current.The dewatered sludge of water ratio about 80% first enters in mummification stove by existing technique after sludge bucket, initial mud is delivered in charring furnace by travelling belt after mummification to water ratio 30% in mummification stove carries out carbonization, and the mud then after carbonization is sent in cooling tower by travelling belt and cooled.Existing dehumidification system adopts naked light hot air seasoning, and drying process produces a large amount of micronic dusts, especially goes out in material process in drying, and blower fan produces the micronic dust of a large amount of more than PM100, causes a large amount of pollution to environment.The thruster that existing carbonization main frame adopts is difficult to the high temperature bearing more than 700 DEG C needed for carbonization, is difficult to keep continuous and steady operation state.Existing sludge hot decomposition technique adopts circulating water cooling system, can reach more than 500 DEG C, need a large amount of circulating waters to reduce temperature owing to going out carbon temperature, and energy consumption and machinery consume large.

Utility model content

Technical problem to be solved in the utility model be to provide a kind of realize heat, product circulation utilize high-efficient environment protection type sludge treatment technique and device.

The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of continous way Thermal decomposition device for sludge, comprises drying unit, carbonizing plant, circulating water device, heat exchange retrieving arrangement, feeding device, exhaust gas processing device and fuel supply device;

Described fuel supply device is connected with carbonizing plant with drying unit respectively; Described drying unit is provided with the first opening for feed, the first discharge port, the first inlet mouth and the first air outlet;

Described carbonizing plant is provided with the second opening for feed, the second discharge port, the second inlet mouth and the second air outlet; Described heat exchange retrieving arrangement is provided with the 3rd inlet mouth, the 3rd air outlet and the first water outlet; Described exhaust gas processing device is provided with the 4th inlet mouth, the 4th air outlet, the first water-in, the second water outlet;

Described first opening for feed is connected with feeding device by feeding pipe, described first discharge port is connected with feeding device with the second opening for feed respectively by feeding pipe, described first inlet mouth is connected with the 3rd air outlet by the first gas pipe line, and described first air outlet is connected with the 3rd inlet mouth by the second gas pipe line; Described second discharge port is connected with circulating water device by feeding pipe, and described second inlet mouth is connected with the first air outlet by the second gas pipe line, and described second air outlet is connected with the 4th inlet mouth by the first gas pipe line; Described circulating water device is connected with the first water outlet with the first water-in, the second water outlet respectively; Described second gas pipe line is provided with high pressure positive blower.

The beneficial effects of the utility model are: in sludge treatment equipment of the present utility model, by drying unit is connected with heat exchange retrieving arrangement, the high-temperature vapor that drying unit drying process produces is carried out heat exchange, the heat that heat exchange is reclaimed is used for the Cryogenic air after heating and dehumidification, for the drying process of drying unit after Cryogenic air heating, the heat reusable edible of whole drying process, heat energy loss is little, and the continuous circulation of whole sludge handling process runs initially to provide primary energy just can ensure; The discharge port of drying unit is connected with feeding device with carbonizing plant by the utility model respectively, a mud part is used for carbonization, another part mixes with initial mud, adopt initial mud and high temperature drying mud by a certain percentage back-mixing form pending mud, preheating and drying can be carried out to initial mud, can ensure very fast excessively to follow-up drying stage on the one hand, the initial mud also preventing water content too high on the other hand sticks on dehumidification system inwall.

Further, described drying unit comprises at least 2 dry kilns, and be connected with carbonizing plant after described each dry kiln series connection, described each dry kiln is arranged in parallel from top to bottom, and described carbonizing plant is arranged on the below of dry kiln; Described drying unit outer wall is enclosed with sealed wall, forms flowing lumen between described sealed wall and drying unit outer wall, the lower end of described flowing lumen is communicated with carbonizing plant, and the upper end of described flowing lumen is connected with the 4th inlet mouth of exhaust gas processing device; Worm propeller is provided with in described dry kiln.

Adopt the beneficial effect of above-mentioned further scheme to be: by dry kiln being arranged on the top of carbonizing plant, mud relies on self gravitation to run from top to bottom, does not need by exterior power; By arranging worm propeller, by rotating, material is advanced to downstream, simply energy-conservation; By the outer wall in drying unit, sealed wall is set, between sealed wall and drying unit outer wall, form flowing lumen, flowing lumen is connected with exhaust gas processing device, makes high temperature cabonization tail gas through flowing lumen, lower the temperature by transferring heat to dry kiln, so that vent gas treatment; While this setting can make full use of heat energy, also tail gas is carried out lowering the temperature process.

Further, described carbonizing plant comprises combustion engine and tar vaporizer, and described combustion engine is connected with tar gasifier by the first gas pipe line; Described tar vaporizer is communicated with flowing lumen by the first gas pipe line; Worm propeller is provided with in described carbonizing plant.

The beneficial effect of above-mentioned further scheme is adopted to be: by arranging tar vaporizer, can, by the objectionable constituent tarring process in combustion tail gas, prevent objectionable impurities from discharging.

Further, described heat exchange retrieving arrangement also comprises super heat-conductive pipe heat regenerator and screw-type compressor, described super heat-conductive pipe heat regenerator comprises " Z " shape heat-conducting plate, described " Z " shape heat-conducting plate upper end is connected with holder, lower end is connected with interchanger, described screw-type compressor is arranged on the gap, left side of " Z " shape heat-conducting plate, and described interchanger is connected with screw-type compressor; Described interchanger comprises the 3rd inlet mouth and built-in air outlet, described holder comprises the 3rd air outlet and built-in inlet mouth, described screw-type compressor comprises the 5th inlet mouth, the 5th air outlet and the first water outlet, described 5th inlet mouth is connected with built-in air outlet, and described 5th air outlet is connected with built-in inlet mouth; Described interchanger adopts superconduction phase transformation material heat pipe to reclaim the heat of the water vapour that drying unit first air outlet is discharged; Described screw-type compressor adopts R401A refrigeration agent that the water vapour through heat recuperation is carried out condensation, water of condensation enters circulating water device through the first water outlet, and the air after dehumidification by condensation enters after holder heat temperature raising through built-in air outlet and enters drying unit recycle.

The beneficial effect of above-mentioned further scheme is adopted to be: holder and interchanger are coupled together by " Z " shape heat-conducting plate, and screw-type compressor is arranged on the gap, left side of " Z " shape heat-conducting plate, reasonable in design, makes full use of space; By high-temperature vapor after heat extraction, dehumidifying, in drying unit after reheating, heat energy is made full use of; R401A refrigeration is remarkable.

Further, between described second discharge port and circulating water device, be provided with out carbon cooling tank, described in go out carbon cooling tank and be provided with the 6th inlet mouth and the 6th air outlet, described 6th inlet mouth is connected with feeding device respectively by the second gas pipe line with the 6th air outlet.

The beneficial effect of above-mentioned further scheme is adopted to be: because oven-fresh carbon temperature is between 500 DEG C-700 DEG C, process of cooling is very slow, by setting out carbon cooling tank, arranging blower fan is sent in feeding device by the heat of oven-fresh carbon, and the water vapour that feeding device evaporates is sent in oven-fresh carbon, going out carbon cooling tank and feeding device establishes a temperature cycle, while accelerating pyrocarbon cooling, also the removal moisture drying of low temperature sludge is accelerated, accelerate method flow, save a large amount of heat energy.

Further, described circulating water device comprises adsorptive purifier and cyclic water tank, described adsorptive purifier comprises the second water-in, the 3rd water outlet, and described 3rd water outlet is connected with the first water-in, and described first water outlet, the second water outlet are connected with the second water-in by water pipe.

The beneficial effect of above-mentioned further scheme is adopted to be: by arranging adsorptive purifier, cooled carbon is used for the adsorption cleaning of water of condensation, filtered water after adsorption cleaning sets up circulation by cyclic water tank between exhaust gas cleaner, the abundant recycle of carbon of water of condensation and the carbonization process generation produced is reclaimed in heat exchange by adsorptive purifier, do not need to consume extra distilled water or sorbent material, reach the object of high-efficient energy-saving environment friendly.

Further, described feeding device is single shaft back-mixing stirrer or angle chapelet, and described single shaft back-mixing stirrer is provided with sludge delivery pump.

Adopt the beneficial effect of above-mentioned further scheme to be: to adopt single shaft back-mixing stirrer can accelerate the transmission speed of mud, adopt angle chapelet can save energy.

Further, described adsorptive purifier is carbon granules absorption filtering pool, is connected with chain-plate type speed change mucking machine bottom described carbon granules absorption filtering pool.

The beneficial effect of above-mentioned further scheme is adopted to be: arranging chain-plate type speed change mucking machine can clear up adsorbing the carbon utilized at any time.

Further, 200 object filtering nets are provided with in the first gas pipe line between described tar vaporizer and flowing lumen.

Accompanying drawing explanation

Fig. 1 is the utility model continous way Thermal decomposition device for sludge figure.

In accompanying drawing, the list of parts representated by each label is as follows:

1, drying unit; 11, the first opening for feed; 12, the first discharge port; 13, the first inlet mouth; 14, the first air outlet; 15, dry kiln; 151, worm propeller; 16, sealed wall; 17, flowing lumen; 2, carbonizing plant; 21, the second opening for feed; 22, the second discharge port; 23, the second inlet mouth; 24, the second air outlet; 25, combustion engine; 26, tar vaporizer; 3, circulating water device; 31, adsorptive purifier; 311, the second water-in; 312, the 3rd water outlet; 32, cyclic water tank; 33, chain-plate type speed change mucking machine; 4, heat exchange retrieving arrangement; 41, the first water outlet; 42, super heat-conductive pipe heat regenerator; 421, " Z " shape heat-conducting plate; 422, holder; 4221, the 3rd air outlet; 4222, built-in inlet mouth; 423, interchanger; 4231, the 3rd inlet mouth; 4232, built-in air outlet; 43, screw-type compressor; 431, the 5th inlet mouth; 432, the 5th air outlet; 5, feeding device; 6, exhaust gas processing device; 61, the 4th inlet mouth; 62, the 4th air outlet; 63, the first water-in; 64, the second water outlet; 7, carbon cooling tank is gone out; 71, the 6th inlet mouth; 72, the 6th air outlet; 8, gas pipe line; 81, the first gas pipe line; 82, the second gas pipe line; 821, high pressure positive blower; 9, fuel supply device.

Embodiment

Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.

As shown in Figure 1, a kind of continous way Thermal decomposition device for sludge of the present embodiment, comprise drying unit 1, carbonizing plant 2, circulating water device 3, heat exchange retrieving arrangement 4, feeding device 5, exhaust gas processing device 6 and fuel supply device 9, be connected by gas pipe line 8 or water pipe between each device, gas pipe line 8 comprises the first gas pipe line 81 and the second gas pipe line 82; Fuel supply device 9 mainly adopts natural gas supply device, also can adopt other fuel, and natural gas supply device adopts CNG bomb group to store Sweet natural gas, adopts CNG pressure reducing station to carry out the pressure of stable Sweet natural gas, to ensure combustion engine steady running; Fuel supply device is connected with carbonizing plant 2 with drying unit 1 respectively; Drying unit 1 is provided with the first opening for feed 11, first discharge port 12, first inlet mouth 13 and the first air outlet 14; Carbonizing plant 2 is provided with the second opening for feed 21, second discharge port 22, second inlet mouth 23 and the second air outlet 24; Heat exchange retrieving arrangement 4 is provided with the 3rd inlet mouth 4231, the 3rd air outlet 4221 and the first water outlet; Exhaust gas processing device is provided with the 4th inlet mouth 61, the 4th air outlet 62, first water-in 63, second water outlet 64; The feeding device 5 of the present embodiment is single shaft back-mixing stirrer or angle chapelet, and single shaft back-mixing stirrer is provided with sludge delivery pump.

First opening for feed 11 of the present embodiment drying unit is connected with feeding device 5 by feeding pipe, first discharge port 12 is connected with feeding device 5 with the second opening for feed 21 respectively by feeding pipe, first inlet mouth 13 is connected with the 3rd air outlet 4221 by the first gas pipe line 81, and the first air outlet 14 is connected with the 3rd inlet mouth 4231 by the second gas pipe line 82; Second discharge port 22 is connected with circulating water device 3 by feeding pipe, and the second inlet mouth 23 is connected with the first air outlet 14 by the second gas pipe line 82, and the second air outlet 24 is connected with the 4th inlet mouth 61 by the first gas pipe line 81; Circulating water device 3 is connected with the first water outlet 41 with the first water-in 311, second water outlet 312 respectively; Second gas pipe line 82 is provided with high pressure positive blower 821.In the present embodiment, pending mud is sent into drying unit from the first opening for feed of drying unit and is carried out drying by feeding device, drying temperature in drying unit is 80 DEG C-100 DEG C, be negative pressure in drying unit, pending mud at dry kiln inner drying to water content 10%-30%, form one-level dewatered sludge and produce high-temperature vapor, one-level dewatered sludge is divided into and treats carbonization mud and circulating sludge, treat that carbonization mud is sent to the second opening for feed from the first discharge port through feeding pipe by what account for gross weight 20%-40%, treat that carbonization mud enters carbonizing plant and carries out carbonization, carbonization temperature is 500 DEG C-700 DEG C, circulating sludge enters feeding device through the first discharge port, mixes with the pending mud in feeding device, and form the secondary dewatered sludge of water content 40%-50%, secondary dewatered sludge is follow-up pending mud, high-temperature water vapor is discharged from the first air outlet of drying unit, and the sub-fraction of high-temperature vapor enters in carbonizing plant through the second gas pipe line through the second inlet mouth, for carbonization process provides energy, the major part of high-temperature water vapor enters in heat exchange retrieving arrangement through the second gas pipe line through the 3rd inlet mouth, high-temperature water vapor carries out heat exchange condensation recovery in heat exchange retrieving arrangement, produce cold dry air and water of condensation, cold dry air is discharged through the 3rd air outlet after the heat heating that heat exchange dehumidification by condensation treating processes reclaims, 3rd air outlet first gas pipe line is connected with the first inlet mouth of drying unit, and the cold dry air through heating enters drying unit for the drying process of pending mud through the first inlet mouth provides heat.The water of condensation that heat exchange retrieving arrangement produces enters circulating water device from the first water outlet through water pipe.The pending mud carbon that carbonization obtains in carbonizing plant enters circulating water device through feeding pipe after discharging from the second discharge port; Because water of condensation has color and scent of, water of condensation forms filtered water after carbon adsorption filters, and filtered water enters exhaust gas processing device for tail gas wash clean process from the first water-in.The flue-gas temperature that in carbonizing plant, carbonization process produces is very high, first discharge from the second air outlet, after the outer wall cooling of drying device, enter exhaust gas processing device from the 4th inlet mouth and carry out the clean process of tail gas, the tail gas cleaned is discharged into the external world from the 4th air outlet, the waste water washing tail gas is discharged in circulating water device from the second water outlet again, and waste water filters Posterior circle through carbon adsorption and utilizes.

As shown in Figure 1, the drying unit of the present embodiment comprises at least 2 dry kilns 15 (the present embodiment is for 3), each dry kiln 15 is connected with carbonizing plant 2 after connecting, and each dry kiln 15 be arranged in parallel from top to bottom, and carbonizing plant 2 is arranged on the below of dry kiln 15; Worm propeller 151 is equipped with in dry kiln 15 and carbonization kiln 2.The present embodiment is by being arranged on the top of carbonizing plant by dry kiln, mud relies on self gravitation to run from top to bottom, does not need by exterior power; By being connected with heat exchange retrieving arrangement by dry kiln, pumped by the high-temperature vapor of dry kiln by high pressure positive blower, the heat of high-temperature vapor delivers to dry kiln again after super heat-conductive pipe heat recovery system reclaims, and water of condensation is recycled further; And carbonization kiln is connected with dry kiln, make a part of damp-heat air in dry kiln import in carbonizing plant, for carbonization is combustion-supporting; Whole dry carbonization process does not need by outside air combustion-supporting, the inner pressure producing-50Pa, and the foul smell avoiding the generation of drying sludge carbonization process leaks; The device of the present embodiment only needs fuel supply device to provide a little fuel starting outfit in initial launch, the follow-up operation relying on the energy recovery of dry carbonization process to maintain whole equipment, very efficient energy-saving.

As shown in Figure 1, the outer wall of each dry kiln 15 of the present embodiment drying unit is enclosed with sealed wall 16, form flowing lumen 17 between sealed wall 16 and drying unit 1 outer wall, flowing lumen 17 upper end is connected with the 4th inlet mouth 61 of exhaust gas processing device, and flowing lumen 17 lower end is communicated with carbonizing plant 2.As shown in Figure 1, the carbonizing plant 2 of the present embodiment comprises combustion engine 25 and tar vaporizer 26, and combustion engine 25 is connected with tar gasifier 26 by the first gas pipe line 81; Tar vaporizer 26 is communicated with flowing lumen 17 by the first gas pipe line 81, is provided with 200 object filtering nets, is fallen by the filtering dust in combustion tail gas in the first gas pipe line between tar vaporizer 26 and flowing lumen 17.Being provided with worm propeller in carbonizing plant 2, by rotating, material being advanced to downstream, simply energy-conservation; The present embodiment arranges sealed wall by the outer wall in drying unit, flowing lumen is formed between sealed wall and drying unit outer wall, flowing lumen is connected with carbonizing plant, exhaust gas processing device respectively, make high temperature cabonization flue gas through tar gasification process through flowing lumen, lower the temperature by transferring heat to dry kiln, so that vent gas treatment; While this setting can make full use of heat energy, also tail gas is carried out lowering the temperature process.

As shown in Figure 1, the dry kiln of the present embodiment comprises external-heat dry kiln A, external-heat dry kiln B and external-heat dry kiln C successively under upper, pending mud through cyclonic separator unloading, enters the feeding mouth of external-heat dry kiln A under high negative pressure effect; External-heat dry kiln A utilizes carbonization kiln to discharge the exhaust-heat heating of flue gas in outer wall, utilize inner material lifting flights and external spiral device, slowly secondary dewatered sludge heated to 55 DEG C-80 DEG C with rotation and be delivered to the feeding mouth of external-heat dry kiln B, enter down one drying program, the entire process have about 35min; External-heat dry kiln B utilizes carbonization kiln to discharge the exhaust-heat heating of flue gas in outer wall, utilize inner material copy half-sum external spiral device, slowly secondary dewatered sludge heated to 80 DEG C-120 DEG C with rotation and be delivered to the feeding mouth of external-heat dry kiln C, enter down one drying program, the entire process have about 35min; External-heat dry kiln C utilizes carbonization kiln to discharge the exhaust-heat heating of flue gas in outer wall, utilize inner material copy half-sum external spiral device, slowly secondary dewatered sludge heated to 120 DEG C-150 DEG C with rotation and be delivered to the feeding mouth of carbonizing plant, enter pyrolysis carbodiimide procedure (high temperature carbonization), omnidistance 35min.

As shown in Figure 1, the carbonizing plant of the present embodiment adopts external-heat pyrolysis carbide furnace kiln, the combustion of natural gas mouth heat production of fuel delivery means is utilized to heat in outer wall, utilize inner material lifting flights and external spiral device, slowly one-level dewatered sludge is heated to 550 DEG C-700 DEG C with rotation, carry out pyrolysis carbonization (high temperature carbonization) to one-level dewatered sludge, going out feeding mouth and going out air intake of carbonization stove all adopts special purpose device wind sheltering, avoids air to enter; One-level dewatered sludge is under hypoxemia negative pressure state, alkanes and other noncondensable gases is produced through high temperature carbonization, be delivered in combustion engine burner through dedicated transport pipeline and participate in burning, the heat energy produced can supply the continuous heating of self outer wall or dry kiln outer wall, after carbonization process carries out 25min-35min, after organic matter in one-level dewatered sludge is fully cracked into inflammable gas, the mud of abundant carbonization is discharged; The combustion tail gas of carbonization kiln will be discharged after 200 order filter screen filtration of inside setting.As shown in Figure 1, carbon cooling tank 7 is provided with out between second discharge port 22 of the present embodiment and circulating water device 3, go out carbon cooling tank 7 and be provided with the 6th inlet mouth 71 and the 6th air outlet the 72, six inlet mouth 71 is connected with feeding device 5 respectively by the second gas pipe line 82 with the 6th air outlet 72.Because the mud through abundant carbonization reaches as high as more than 700 DEG C at outlet temperature, in order to avoid discharging the gases such as carbonic acid gas with going out carbon, the present embodiment is by setting out carbon cooling tank, the steel outer wall of carbon cooling tank is utilized out indirectly to dispel the heat, carbon is delivered to outlet through to turn back for three times by the spiral conveying mechanism going out carbon cooling tank inside, simultaneously, high pressure positive blower is utilized to be delivered to bottom feeding device by heat energy, for pending mud heats, and the wet-air pump of pending mud is delivered to out in carbon cooling tank, establish recycle heat, the temperature going out carbon can be down to less than 50 DEG C, the waste heat in carbon dust is made fully to take part in drying program, save a large amount of energy.

As shown in Figure 1, the circulating water device 3 of the present embodiment comprises adsorptive purifier 31 and cyclic water tank 32, adsorptive purifier 31 comprises the second water-in 311, the 3rd water outlet 312,3rd water outlet 312 is connected with the first water-in 63, and the first water outlet 41, second water outlet 64 is connected with the second water-in 311 by water pipe; Adsorptive purifier 31 is carbon granules absorption filtering pool, chain-plate type speed change mucking machine 33 is connected with bottom carbon granules absorption filtering pool, utilize the waste water in carbon granules absorption filtering pool filter freezing water and exhaust gas processing device, for water of condensation decolouring taste removal removal of impurities, along with the operation of adsorption process, can export through chain-plate type speed change mucking machine 33, the filtered water after adsorption-edulcoration exports in cyclic water tank 32 for subsequent use.Exhaust gas processing device 6 is thionizer, and thionizer upper end is connected with gas shaft, is provided with centrifugal water pump between cyclic water tank and exhaust gas processing device, and the filtered water extracted in cyclic water tank by centrifugal water pump is used for tail gas desulfurization spray in thionizer and uses.By arranging adsorptive purifier, cooled carbon is used for the adsorption cleaning of water of condensation, filtered water after adsorption cleaning sets up circulation by cyclic water tank between exhaust gas cleaner, the abundant recycle of carbon of water of condensation and the carbonization process generation produced is reclaimed in heat exchange by adsorptive purifier, do not need to consume extra distilled water or sorbent material, reach the object of high-efficient energy-saving environment friendly.

Preferred further, as shown in Figure 1, the heat exchange retrieving arrangement 4 of the present embodiment comprises super heat-conductive pipe heat regenerator 42 and screw-type compressor 43, super heat-conductive pipe heat regenerator 42 comprises " Z " shape heat-conducting plate 421, " Z " shape heat-conducting plate 421 upper end is connected with holder 422, lower end is connected with interchanger 423, and screw-type compressor 43 is arranged on the gap, left side of " Z " shape heat-conducting plate 421, and interchanger 423 is connected with screw-type compressor 43; Interchanger 423 comprises the 3rd inlet mouth 4231 and built-in air outlet 4232, holder 422 comprises the 3rd air outlet 4221 and built-in inlet mouth 4222, screw-type compressor 43 comprises the 5th inlet mouth 431, the 5th air outlet 432 and the first water outlet 41,5th inlet mouth 431 is connected with built-in air outlet 4232, and the 5th air outlet 432 is connected with built-in inlet mouth 4222; Interchanger 423 adopts superconduction phase transformation material heat pipe to reclaim the heat of the water vapour that drying unit first air outlet 14 is discharged; Screw-type compressor 43 adopts R401A refrigeration agent that the water vapour through heat recuperation is carried out condensation, water of condensation enters circulating water device 3 through the first water outlet 41, and the air after dehumidification by condensation enters after holder heat temperature raising through built-in air outlet and enters drying unit recycle.Holder and interchanger are coupled together by " Z " shape heat-conducting plate, and screw-type compressor is arranged on the gap, left side of " Z " shape heat-conducting plate, reasonable in design, makes full use of space; By high-temperature vapor after heat extraction, dehumidifying, in drying unit after reheating, heat energy is made full use of; R401A refrigeration is remarkable.

Continous way sludge disintegration method of the present utility model makes full use of the heat and product that produce in drying sludge and carbonization process, and by heat recuperation recycle to the drying of mud and carbonization process, establish self-centered thermal energy supply system, do not need to consume the extra energy; Air containment in the utility model dry kiln runs, the damp-heat air part that dry kiln is discharged reclaims heat through super heat-conductive pipe, coagulate moisture completely by refrigeration compressor, temperature is promoted further again through compressor characteristics scatterer, supply dry use, another part supply firing system air distribution of damp-heat air uses, through high-temp combustion deodorizing, as exhaust emissions, odorless leaks.The utility model also takes full advantage of the adsorption cleaning function of carbon and the cleaning function of water, effective substance circulation is established between water of condensation, carbon Sum decomposition tail gas, while making full use of mud carbonized product, purifying treatment is carried out to emission, very energy-conserving and environment-protective; The carbon of final discharge is without poisonous and harmful element, and proterties is stablized, and is rich in mineral element potassium, phosphorus etc., can plant ash be replaced, as the soil improvement material of high-quality, the solid carbon of water-retaining effect, fixed nitrogen, can microbial reproduction be promoted, alleviate that chemical fertilizer is excessive applies the toxicological effect caused.The carbon of the utility model output remains most of carbon component, avoids the carbon dioxide directly burning and generate, significantly decreases greenhouse gas emission.

The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (9)

1. a continous way Thermal decomposition device for sludge, it is characterized in that, comprise drying unit (1), carbonizing plant (2), circulating water device (3), heat exchange retrieving arrangement (4), feeding device (5), exhaust gas processing device (6) and fuel supply device (9);
Described fuel supply device (9) is connected with carbonizing plant (2) with drying unit (1) respectively; Described drying unit (1) is provided with the first opening for feed (11), the first discharge port (12), the first inlet mouth (13) and the first air outlet (14);
Described carbonizing plant (2) is provided with the second opening for feed (21), the second discharge port (22), the second inlet mouth (23) and the second air outlet (24); Described heat exchange retrieving arrangement (4) is provided with the 3rd inlet mouth (4231), the 3rd air outlet (4221) and the first water outlet (41); Described exhaust gas processing device (6) is provided with the 4th inlet mouth (61), the 4th air outlet (62), the first water-in (63), the second water outlet (64);
Described first opening for feed (11) is connected with feeding device (5) by feeding pipe, described first discharge port (12) is connected with feeding device (5) with the second opening for feed (21) respectively by feeding pipe, described first inlet mouth (13) is connected with the 3rd air outlet (4221) by the first gas pipe line (81), and described first air outlet (14) is connected with the 3rd inlet mouth (4231) by the second gas pipe line (82); Described second discharge port (22) is connected with circulating water device (3) by feeding pipe, described second inlet mouth (23) is connected with the first air outlet (14) by the second gas pipe line (82), and described second air outlet (24) is connected with the 4th inlet mouth (61) by the first gas pipe line (81); Described circulating water device (3) is connected with the first water outlet (41) with the first water-in (63), the second water outlet (64) respectively; Described second gas pipe line (82) is provided with high pressure positive blower (821).
2. a kind of continous way Thermal decomposition device for sludge according to claim 1, it is characterized in that, described drying unit (1) comprises at least 2 dry kilns (15), be connected with carbonizing plant (2) after described each dry kiln (15) series connection, described each dry kiln (15) is arranged in parallel from top to bottom, and described carbonizing plant (2) is arranged on the below of dry kiln (15); Described drying unit (1) outer wall is enclosed with sealed wall (16), flowing lumen (17) is formed between described sealed wall (16) and drying unit (1) outer wall, the lower end of described flowing lumen (17) is communicated with carbonizing plant (2), and the upper end of described flowing lumen (17) is connected with the 4th inlet mouth (61) of exhaust gas processing device (6); Worm propeller (151) is provided with in described dry kiln (15).
3. a kind of continous way Thermal decomposition device for sludge according to claim 1, it is characterized in that, described carbonizing plant (2) comprises combustion engine (25) and tar vaporizer (26), and described combustion engine (25) is connected with tar gasifier (26) by the first gas pipe line (81); Described tar vaporizer (26) is communicated with flowing lumen (17) by the first gas pipe line (81); Described carbonizing plant is provided with worm propeller in (2).
4. a kind of continous way Thermal decomposition device for sludge according to claim 1, it is characterized in that, described heat exchange retrieving arrangement (4) also comprises super heat-conductive pipe heat regenerator (42) and screw-type compressor (43), described super heat-conductive pipe heat regenerator (42) comprises " Z " shape heat-conducting plate (421), described " Z " shape heat-conducting plate (421) upper end is connected with holder (422), lower end is connected with interchanger (423), described screw-type compressor (43) is arranged on the gap, left side of " Z " shape heat-conducting plate (421), described interchanger (423) is connected with screw-type compressor (43), described interchanger (423) comprises the 3rd inlet mouth (4231) and built-in air outlet (4232), described holder (422) comprises the 3rd air outlet (4221) and built-in inlet mouth (4222), described screw-type compressor (43) comprises the 5th inlet mouth (431), the 5th air outlet (432) and the first water outlet (41), described 5th inlet mouth (431) is connected with built-in air outlet (4232), and described 5th air outlet (432) is connected with built-in inlet mouth (4222), described interchanger (423) adopts superconduction phase transformation material heat pipe to reclaim the heat of the water vapour that drying unit (1) first air outlet (14) is discharged, described screw-type compressor (43) adopts R401A refrigeration agent that the water vapour through heat recuperation is carried out condensation, water of condensation enters circulating water device (3) through the first water outlet (41), and the air after dehumidification by condensation enters after holder (422) heat temperature raising through built-in air outlet (4232) and enters drying unit (1) recycle.
5. a kind of continous way Thermal decomposition device for sludge according to claim 1, it is characterized in that, carbon cooling tank (7) is provided with out between described second discharge port (22) and circulating water device (3), described go out carbon cooling tank (7) be provided with the 6th inlet mouth (71) and the 6th air outlet (72), described 6th inlet mouth (71) is connected with feeding device (5) respectively by the second gas pipe line (82) with the 6th air outlet (72).
6. a kind of continous way Thermal decomposition device for sludge according to claim 1, it is characterized in that, described circulating water device (3) comprises adsorptive purifier (31) and cyclic water tank (32), described adsorptive purifier (31) comprises the second water-in (311), the 3rd water outlet (312), described 3rd water outlet (312) is connected with the first water-in (63), and described first water outlet (41), the second water outlet (64) are connected with the second water-in (311) by water pipe.
7. a kind of continous way Thermal decomposition device for sludge according to claim 1, it is characterized in that, described feeding device (5) is single shaft back-mixing stirrer or angle chapelet, and described single shaft back-mixing stirrer is provided with sludge delivery pump.
8. a kind of continous way Thermal decomposition device for sludge according to claim 6, it is characterized in that, described adsorptive purifier (31) is carbon granules absorption filtering pool, is connected with chain-plate type speed change mucking machine (33) bottom described carbon granules absorption filtering pool.
9. a kind of continous way Thermal decomposition device for sludge according to claim 3, is characterized in that, be provided with 200 object filtering nets in the first gas pipe line between described tar vaporizer (26) and flowing lumen (17).
CN201520382282.6U 2015-06-05 2015-06-05 A kind of continous way Thermal decomposition device for sludge CN204702642U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104986934A (en) * 2015-06-05 2015-10-21 李学文 Continuous thermal decomposition method and apparatus for sludge
CN105645714A (en) * 2015-12-31 2016-06-08 杭州隽琛环保有限公司 Device and method for treating sludge through desiccation and carbonization combined method by utilizing steam of thermal power plant
CN106643230A (en) * 2016-12-30 2017-05-10 北京顺鸿金建环境科技发展有限公司 Heat exchange device for sludge carbonization technology
CN106643231A (en) * 2016-12-30 2017-05-10 北京顺鸿金建环境科技发展有限公司 Heat exchange device for sludge carbonizing process
CN109181721A (en) * 2018-09-26 2019-01-11 蔡度 A kind of animal husbandry waste charing process equipment
CN109337709A (en) * 2018-11-30 2019-02-15 湖南金润昌石油有限责任公司 Castoff processing system and technique during a kind of waste plastics recycling diesel production

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104986934A (en) * 2015-06-05 2015-10-21 李学文 Continuous thermal decomposition method and apparatus for sludge
CN105645714A (en) * 2015-12-31 2016-06-08 杭州隽琛环保有限公司 Device and method for treating sludge through desiccation and carbonization combined method by utilizing steam of thermal power plant
CN106643230A (en) * 2016-12-30 2017-05-10 北京顺鸿金建环境科技发展有限公司 Heat exchange device for sludge carbonization technology
CN106643231A (en) * 2016-12-30 2017-05-10 北京顺鸿金建环境科技发展有限公司 Heat exchange device for sludge carbonizing process
CN109181721A (en) * 2018-09-26 2019-01-11 蔡度 A kind of animal husbandry waste charing process equipment
CN109337709A (en) * 2018-11-30 2019-02-15 湖南金润昌石油有限责任公司 Castoff processing system and technique during a kind of waste plastics recycling diesel production

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