CN113483338A - Sludge low-temperature drying incinerator with waste heat recovery function - Google Patents
Sludge low-temperature drying incinerator with waste heat recovery function Download PDFInfo
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- CN113483338A CN113483338A CN202110642078.3A CN202110642078A CN113483338A CN 113483338 A CN113483338 A CN 113483338A CN 202110642078 A CN202110642078 A CN 202110642078A CN 113483338 A CN113483338 A CN 113483338A
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- heat recovery
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- 239000010802 sludge Substances 0.000 title claims abstract description 51
- 239000002918 waste heat Substances 0.000 title claims abstract description 39
- 238000011084 recovery Methods 0.000 title claims abstract description 35
- 238000001035 drying Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000000779 smoke Substances 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000003860 storage Methods 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 11
- 239000002893 slag Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 38
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 14
- 239000003546 flue gas Substances 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000498 cooling water Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000018044 dehydration Effects 0.000 abstract 1
- 238000006297 dehydration reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 10
- 238000009825 accumulation Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 6
- 230000002265 prevention Effects 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000002147 killing effect Effects 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/20—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having rotating or oscillating drums
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a sludge low-temperature drying incinerator with a waste heat recovery function, which comprises a bottom plate, wherein the top end of the bottom plate is fixedly connected with a front-end bin, the bottom ends of two sides of the hot bin are respectively provided with a quick ash discharging mechanism, the other side of the top end of the bottom plate is provided with a feeding anti-blocking mechanism, and the top end of the hot bin is provided with a waste heat recovery structure. This sludge low temperature mummification burns burning furnace with retrieve waste heat function is through being provided with the finned tube, the outlet, the retaining jar, pipe and water inlet, during the use, when mud in the internal portion of rotary incineration kiln continuous upset heating mummification dehydration, the flue gas dust of production can enter into inside the hot bin along the smoke guide tube on the rear end storehouse, the inside intensive low temperature finned tube of distributing in hot bin and the flue gas of high temperature carry out heat exchange hot water and can draw forth along the outlet and be used as life or process water, continuously pour into new cooling water into from the water inlet simultaneously, waste heat recovery's function has been realized, the problem of the device function that does not possess waste heat recovery is solved.
Description
Technical Field
The invention relates to the technical field of incinerators, in particular to a sludge low-temperature drying incinerator with a waste heat recovery function.
Background
The municipal sludge contains a large amount of organic matters and a certain amount of cellulose and lignin, has a certain heat value, so that the municipal sludge can be burnt and dried to be convenient for subsequent accumulation, utilization or further processing, the current common low-temperature sludge drying incinerators are various and are divided into a plurality of rotary kiln incinerators, fluidized bed incinerators, rotary kiln incinerators, grate type incinerators and the like, the scheme focuses on the rotary kiln incinerator, the rotary kiln incinerator has a large temperature change range of 810-1650 ℃, the temperature control is adjusted by the fuel quantity of a burner at the end of a kiln, liquid fuel or gas fuel is usually adopted, or coal powder can be used as fuel or waste oil and is used as fuel, the sludge is injected into the rotary incinerator and is heated while rolling to be quickly heated, and the common rotary kiln incinerator on the current market has some problems during drying, the improvement is needed, if a waste heat recovery structure is lacked, a large amount of smoke dust is generated after incineration, heat carried in the smoke dust can only be wasted due to empty dissipation, then the smoke dust in the ash discharge position is easy to block after being accumulated for a long time, wet dust is easy to harden and stick together, the ash discharge is unsmooth, the internal combustion efficiency is influenced, the ash cleaning and blocking prevention functions are not provided, most of sludge is high in viscosity, sundries are easy to wrap in the sludge, the sundries are easy to block a feed inlet, the feeding is unsmooth, the production efficiency is influenced, the scheme is correspondingly improved, the waste heat recovery structure is added for recycling waste heat, the discharged smoke gas is cooled while hot water is provided for production and life in a factory, harm is reduced, the vibration mechanism is added at the ash discharge port to prevent dust accumulation and blocking, the dust adhered together can be vibrated and fall off by high-frequency vibration, and the dust is convenient to discharge, and the feeding is accelerated while the anti-blocking mechanism is additionally arranged at the feeding port to stir large granular substances, so that the production efficiency is improved.
Disclosure of Invention
The invention aims to provide a sludge low-temperature drying incinerator with a waste heat recovery function, and aims to solve the problem that the prior art does not have the waste heat recovery function.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a mud low temperature mummification burns burning furnace with retrieve waste heat function, includes the bottom plate, the top fixedly connected with front end storehouse of bottom plate, one side fixedly connected with rear end storehouse on the top of bottom plate, transversely be provided with the rotary incineration kiln body between front end storehouse and the rear end storehouse, the bottom of rear end storehouse front end is provided with row cinder notch, one side of bottom plate is provided with first support body, the top fixedly connected with hot storehouse of first support body, the top in front end storehouse is provided with the air intake, fixedly connected with leads the tobacco pipe between one side in hot storehouse and the top in rear end storehouse, the bottom of hot storehouse both sides all is provided with quick ash discharging mechanism, the opposite side on bottom plate top is provided with the feeding and prevents blockking up the mechanism, the top in hot storehouse is provided with the waste heat recovery structure.
The waste heat recovery structure comprises a water storage tank, the water storage tank is fixedly connected to the top end of the hot bin through a fixing piece, the bottom end of one side of the water storage tank is fixedly connected with a water outlet, the bottom end of the other side of the water storage tank is fixedly connected with a water inlet, a plurality of groups of finned tubes are arranged inside the hot bin, and guide tubes are fixedly connected between the tops of the finned tubes and the bottom end of the water storage tank.
Preferably, the conduit penetrates through the top end of the hot bin and is communicated with the interior of the water storage tank.
Preferably, the finned tubes are arranged at equal intervals.
Preferably, the conduits are symmetrically distributed about a vertical centre line of the reservoir.
Preferably, quick ash discharge mechanism comprises fixed plate, protecting crust, access cover, servo motor and eccentric wheel, fixed plate fixed connection is in the bottom of hot storehouse one side, one side fixedly connected with protecting crust of fixed plate, the inside of protecting crust one side is provided with the access cover, one side fixedly connected with servo motor inside the protecting crust, shaft coupling fixedly connected with eccentric wheel is passed through to servo motor's output, the inside of eccentric wheel is provided with the mounting hole.
Preferably, one side of the access cover and the inside of one side of the protective shell are engaged.
Preferably, the outer diameter of the output end of the servo motor is consistent with the inner diameter of the mounting hole of the eccentric wheel.
Preferably, the feeding anti-blocking mechanism is composed of a second frame body, a driving motor, a material guide pipe, a hopper and a spiral roller shaft, the second frame body is fixedly connected to one side of the top end of the bottom plate, the material guide pipe is fixedly connected to the top end of the second frame body, the hopper is fixedly connected to the top end of the material guide pipe, the driving motor is fixedly connected to one side of the material guide pipe, and the output end of the driving motor penetrates through one side of the material guide pipe and the spiral roller shaft.
Preferably, the horizontal center line of the spiral roller shaft is coincident with the horizontal center line of the driving motor.
Preferably, the interior of the guide pipe is communicated with the interior of the front end bin.
Compared with the prior art, the invention has the beneficial effects that: the sludge low-temperature drying incinerator with the waste heat recovery function not only realizes the waste heat recovery function, realizes the rapid ash discharge and accumulation prevention function, but also realizes the automatic feeding and blockage prevention function;
(1) by arranging the finned tube, the water outlet, the water storage tank, the guide tube and the water inlet, when in use, an external water source is connected to the water inlet, clean water is filled into the water storage tank through the water inlet for storage, water in the water storage tank enters the finned tube downwards along the guide tube, so that the finned tube is kept in a low-temperature state, when wet sludge is continuously overturned, heated, dried and dehydrated in the rotary incineration kiln body, generated high-temperature flue gas dust enters the hot bin along the smoke guide tube on the rear end bin, the low-temperature finned tube densely distributed in the hot bin exchanges heat with high-temperature flue gas, the temperature of the finned tube is continuously increased, the water temperature of the finned tube in the hot bin is continuously increased, the high-temperature water in the finned tube in the hot bin is continuously neutralized with cold water in the water storage tank, the water in the water storage tank is gradually heated, the temperature of the discharged flue gas is reduced, and hot water can be led out along the water outlet for use as domestic or production water, meanwhile, new cooling water is continuously injected from the water inlet, so that heat energy is fully utilized, resource waste is avoided, and the function of waste heat recovery is realized;
(2) when the device is used, when smoke dust enters the hot bin along the smoke guide pipe on the rear end bin, the smoke dust is blocked by the densely distributed low-temperature finned tubes, the dust in the smoke is cooled and combined with water molecules in the air to fall off, the dust is directly blocked by the finned tubes, the servo motor is started to drive the eccentric wheel to rotate quickly to generate vibration, the dust falling at the bottom of the hot bin and the dust on the surface of the hot bin are shaken and dispersed to fall off and accumulated at the bottom of the hot bin, the dust is prevented from being accumulated and adhered together to cause blockage of a dust discharge port, the fixed plate and the protective shell form a basic mounting and fixing structure, the internal servo motor is also protected while the fixing device, the eccentric wheel on one side of the servo motor can rotate at a high speed during working, certain killing force exists, and damage caused by accidental touch of a worker is prevented, the access cover can facilitate the maintenance personnel to timely maintain when the internal servo motor fails, and the function of ash discharge and accumulation prevention is realized;
(3) by arranging the second frame body, the driving motor, the material guiding pipe, the hopper and the spiral roll shaft, continuously injecting external sludge into the hopper, allowing the wet, slippery and sticky sludge to flow downwards along the hopper and enter the material guide pipe, and continuously flows along the material guide pipe until the sludge enters the rotary incineration kiln body, the rotary incineration kiln body continuously rotates to incinerate and dry the sludge in the rotary incineration kiln body, water in the sludge is evaporated, when the sludge contains large-particle impurities such as wood block, pebble and the like and is easy to accumulate in the material guide pipe to cause blockage, the driving motor is started to drive the spiral roller shaft to rotate, the rotating spiral roller shaft continuously pushes the sludge forwards, have broken function simultaneously concurrently, directly stir breakable large granule impurity and smash, prevent that impurity wherein from piling up and causing the jam, the second support body makes its operation more steady as the support of structure, has realized that the feeding prevents the function of blockking up.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic side view of the waste heat recovery structure of the present invention;
FIG. 3 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention;
FIG. 4 is a side view enlarged schematic of the finned tube of the present invention;
FIG. 5 is an enlarged schematic top view of the ash discharge mechanism of the present invention;
FIG. 6 is an enlarged side view of a partial section of the quick ash discharge mechanism according to the present invention.
In the figure: 1. a base plate; 2. a front end bin; 3. a rotary incineration kiln body; 4. a rear end bin; 5. a slag discharge port; 6. a first frame body; 7. a hot bin; 8. a quick ash discharge mechanism; 801. a fixing plate; 802. a protective shell; 803. an access cover; 804. a servo motor; 805. an eccentric wheel; 9. a finned tube; 10. a water outlet; 11. a water storage tank; 12. a conduit; 13. a water inlet; 14. a smoke guide pipe; 15. an air inlet; 16. a feeding anti-blocking mechanism; 1601. a second frame body; 1602. a drive motor; 1603. a material guide pipe; 1604. a hopper; 1605. a spiral roll shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: referring to fig. 1-6, a sludge low-temperature drying incinerator with waste heat recovery function comprises a bottom plate 1, wherein a front end bin 2 is fixedly connected to the top end of the bottom plate 1, a rear end bin 4 is fixedly connected to one side of the top end of the bottom plate 1, a rotary incineration kiln body 3 is transversely arranged between the front end bin 2 and the rear end bin 4, a slag discharge port 5 is arranged at the bottom end of the front end of the rear end bin 4, a first frame body 6 is arranged on one side of the bottom plate 1, a hot bin 7 is fixedly connected to the top end of the first frame body 6, an air inlet 15 is arranged at the top end of the front end bin 2, a smoke guide pipe 14 is fixedly connected between one side of the hot bin 7 and the top end of the rear end bin 4, and a waste heat recovery structure is arranged at the top end of the hot bin 7;
referring to fig. 1-6, the sludge low-temperature drying incinerator with the waste heat recovery function further comprises a waste heat recovery structure, the waste heat recovery structure comprises a water storage tank 11, the water storage tank 11 is fixedly connected to the top end of the hot bin 7 through a fixing part, the bottom end of one side of the water storage tank 11 is fixedly connected with a water outlet 10, the bottom end of the other side of the water storage tank 11 is fixedly connected with a water inlet 13, a plurality of groups of finned tubes 9 are arranged inside the hot bin 7, and a guide tube 12 is fixedly connected between the top ends of the finned tubes 9 and the bottom end of the water storage tank 11;
specifically, as shown in fig. 1 and 4, an external water source is connected to the water inlet 13, the cleaning water is filled into the water storage tank 11 through the water inlet 13 for storage, the water in the water storage tank 11 enters the finned tubes 9 downwards along the guide pipes 12, so that the finned tubes 9 are kept in a low-temperature state, when moist sludge is continuously overturned, heated, dried and dehydrated in the rotary incineration kiln body 3, the generated high-temperature flue gas dust enters the hot bin 7 along the smoke guide pipe 14 on the rear end bin 4, the low-temperature finned tubes 9 densely distributed in the hot bin 7 exchange heat with high-temperature flue gas, the temperature of the finned tubes 9 is continuously increased, the temperature of the water in the finned tubes is also continuously increased, the high-temperature water of the finned tubes 9 and cold water in the water storage tank 11 are continuously neutralized, the water in the water storage tank 11 is gradually heated, and the temperature of the discharged flue gas is reduced while the water in the water storage tank 11 is heated, so that the function of reducing the temperature of the smoke dust is realized.
Example 2: the guide pipe 12 penetrates through the top end of the hot bin 7 and is communicated with the interior of the water storage tank 11, the finned pipes 9 are arranged at equal intervals, and the guide pipe 12 is symmetrically distributed about the vertical center line of the water storage tank 11, so that the heating is more uniform;
specifically, as shown in fig. 1 and 2, hot water can be drawn out along the water outlet 10 for use as domestic or production water, and new cooling water is continuously injected from the water inlet 13, so that heat energy is fully utilized, resource waste is avoided, and a function of waste heat recovery is realized.
Example 3: the bottom ends of two sides of the hot bin 7 are respectively provided with a quick ash discharging mechanism 8, each quick ash discharging mechanism 8 consists of a fixing plate 801, a protective shell 802, an access cover 803, a servo motor 804 and an eccentric wheel 805, the fixing plate 801 is fixedly connected to the bottom end of one side of the hot bin 7, one side of the fixing plate 801 is fixedly connected with the protective shell 802, the access cover 803 is arranged inside one side of the protective shell 802, one side of the inside of the protective shell 802 is fixedly connected with the servo motor 804, the output end of the servo motor 804 is fixedly connected with the eccentric wheel 805 through a coupler, and a mounting hole is formed inside the eccentric wheel 805;
specifically, as shown in fig. 1 and 5, when flue gas dust enters the interior of the hot bin 7 along the smoke guide pipe 14 on the rear end bin 4, the flue gas dust is blocked by the densely distributed low-temperature finned tubes 9, on one hand, the dust in the flue gas is cooled and combined with water molecules in the air to fall, on the other hand, the dust is directly blocked by the finned tubes 9, on the other hand, the servo motor 804 is started to drive the eccentric wheel 805 to rotate rapidly to generate vibration, so that the dust falling on the bottom of the hot bin 7 and the dust on the surface of the hot bin 7 are scattered to fall off and accumulated at the bottom of the hot bin 7, and the dust is prevented from being accumulated and bonded together to cause the blockage of a dust discharge port, so that the dust discharge and accumulation prevention functions are realized.
Example 4: one side of the access cover 803 is embedded with the inside of one side of the protective shell 802, the outer diameter of the output end of the servo motor 804 is consistent with the inner diameter of the mounting hole of the eccentric wheel 805, and the installation is firm and convenient to overhaul;
specifically, as shown in fig. 1 and 6, the fixing plate 801 and the protective shell 802 form a basic mounting and fixing structure, the fixing device also protects the internal servo motor 804, the eccentric wheel 805 on one side of the servo motor 804 can rotate at a high speed during working, certain killing force exists, damage caused by accidental touch of workers is prevented, and the 803 access cover can be used for facilitating timely maintenance of maintenance personnel when the internal servo motor 804 breaks down, so that the function of facilitating maintenance is realized.
Example 5: the feeding anti-blocking mechanism 16 is arranged on the other side of the top end of the bottom plate 1, the feeding anti-blocking mechanism 16 is composed of a second frame body 1601, a driving motor 1602, a material guide pipe 1603, a hopper 1604 and a spiral roll shaft 1605, the second frame body 1601 is fixedly connected to one side of the top end of the bottom plate 1, the top end of the second frame body 1601 is fixedly connected with the material guide pipe 1603, the top end of the material guide pipe 1603 is fixedly connected with the hopper 1604, one side of the material guide pipe 1603 is fixedly connected with the driving motor 1602, and the output end of the driving motor 1602 penetrates through one side of the material guide pipe 1603 and is fixedly connected with the spiral roll shaft 1605;
specifically, as shown in fig. 1 and fig. 3, external sludge is continuously injected into the hopper 1604, wet, slippery and sticky sludge flows downwards along the hopper 1604 into the material guiding pipe 1603 and continuously flows along the material guiding pipe 1603 until entering the rotary incineration kiln body 3, the rotary incineration kiln body 3 rotates continuously to incinerate and dry the sludge therein, and moisture in the sludge is evaporated, so that a function of stabilizing feeding is realized.
Example 6: the horizontal central line of the spiral roller shaft 1605 is consistent with the horizontal central line of the driving motor 1602, and the interior of the material guide pipe 1603 is communicated with the interior of the front end bin 2;
specifically, as shown in fig. 1 and fig. 3, when sludge contains large-particle impurities such as wood block stones, the sludge is easily accumulated in the material guiding pipe 1603 to cause blockage, at this moment, the driving motor 1602 is started to drive the spiral roller shaft 1605 to rotate, the rotating spiral roller shaft 1605 continuously pushes the sludge forwards, and the sludge has a crushing function, the fragile large-particle impurities are directly crushed, the blockage caused by accumulation of the impurities is prevented, the second frame body 1601 serves as a structural support to enable the second frame body to run more stably, and the feeding anti-blockage function is realized.
The working principle is as follows: when the sludge incinerator is used, firstly, external sludge is continuously injected into the hopper 1604, wet, slippery and sticky sludge flows downwards along the hopper 1604 to enter the material guide pipe 1603 and continuously flows along the material guide pipe 1603 until the wet, slippery and sticky sludge enters the rotary incineration kiln body 3, the rotary incineration kiln body 3 continuously rotates to incinerate and dry the sludge in the rotary incineration kiln body and evaporate water in the sludge, when the sludge contains large-particle impurities such as wood blocks and stones, the large-particle impurities are easy to accumulate in the material guide pipe 1603 to cause blockage, at the moment, the driving motor 1602 is started to drive the spiral roller 1605 to rotate, the rotary spiral roller 1605 continuously pushes the sludge forwards, the crushing function is achieved, the fragile large-particle impurities are directly crushed, the blockage caused by accumulation of the impurities in the sludge is prevented, the second frame body 1601 serves as a structural support to enable the feeding to operate more stably, and the function of blockage prevention is achieved; when moist sludge is continuously overturned, heated, dried and dehydrated in the rotary incineration kiln body 3, generated high-temperature flue gas dust enters the hot bin 7 along the smoke guide pipe 14 on the rear end bin 4, an external water source is connected to the water inlet 13 at the moment, cleaning water is filled into the water storage tank 11 through the water inlet 13 for storage, water in the water storage tank 11 downwards enters the finned tube 9 along the guide pipe 12, the finned tube 9 is kept at a low-temperature state, the low-temperature finned tube 9 densely distributed in the hot bin 7 exchanges heat with high-temperature flue gas, the temperature of the finned tube 9 continuously rises, the water temperature of the finned tube 9 continuously neutralizes the high-temperature water in the water storage tank 9 and the cold water in the water storage tank 11, the water in the water storage tank 11 is gradually heated, the temperature of the discharged flue gas is reduced, and the hot water can be led out along the water outlet 10 to be used as domestic or production water, meanwhile, new cooling water is continuously injected from the water inlet 13, so that heat energy is fully utilized, resource waste is avoided, and the function of waste heat recovery is realized; when smoke dust enters the hot bin 7 along the smoke guide pipe 14 on the rear end bin 4, the smoke dust is blocked by the densely distributed low-temperature finned tubes 9, dust in the smoke is cooled and combined with water molecules in the air to fall off, the dust is directly blocked by the finned tubes 9, the servo motor 804 is started at the moment to drive the eccentric wheel 805 to rotate rapidly to generate vibration, the dust falling at the bottom of the hot bin 7 and dust on the surface of the hot bin 7 are shaken and dispersed, the dust falls off and is accumulated at the bottom of the hot bin 7 to prevent the dust from being accumulated and adhered together, a dust discharge port is blocked, the fixing plate 801 and the protective shell 802 form a basic mounting and fixing structure, the internal servo motor 804 is also protected while the fixing device is used, the eccentric wheel 805 on one side of the servo motor 804 can rotate at a high speed during working, certain killing force exists to prevent workers from being damaged by accidental touch, and the 803 inspection cover can be used when the internal servo motor 804 breaks down, the maintenance personnel can conveniently and timely maintain the ash discharging and accumulation preventing function.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a mud low temperature mummification burns burning furnace with retrieve waste heat function, includes bottom plate (1), its characterized in that: the top end of the bottom plate (1) is fixedly connected with a front end bin (2), one side of the top end of the bottom plate (1) is fixedly connected with a rear end bin (4), a rotary incineration kiln body (3) is transversely arranged between the front-end bin (2) and the rear-end bin (4), a slag discharge port (5) is arranged at the bottom end of the front end of the rear end bin (4), a first frame body (6) is arranged at one side of the bottom plate (1), the top end of the first frame body (6) is fixedly connected with a hot bin (7), the top end of the front end bin (2) is provided with an air inlet (15), a smoke guide pipe (14) is fixedly connected between one side of the hot bin (7) and the top end of the rear end bin (4), the bottom ends of the two sides of the hot bin (7) are respectively provided with a quick ash discharging mechanism (8), the other side of the top end of the bottom plate (1) is provided with a feeding anti-blocking mechanism (16), and the top end of the hot bin (7) is provided with a waste heat recovery structure;
the waste heat recovery structure comprises a water storage tank (11), the water storage tank (11) is fixedly connected to the top end of the hot bin (7) through a fixing piece, a water outlet (10) is fixedly connected to the bottom end of one side of the water storage tank (11), a water inlet (13) is fixedly connected to the bottom end of the other side of the water storage tank (11), a plurality of groups of finned tubes (9) are arranged inside the hot bin (7), and guide pipes (12) are fixedly connected between the top ends of the finned tubes (9) and the bottom ends of the water storage tank (11).
2. The sludge low-temperature drying incinerator with the waste heat recovery function as claimed in claim 1, characterized in that: the conduit (12) penetrates through the top end of the hot bin (7) and is communicated with the interior of the water storage tank (11).
3. The sludge low-temperature drying incinerator with the waste heat recovery function as claimed in claim 1, characterized in that: the finned tubes (9) are arranged at equal intervals.
4. The sludge low-temperature drying incinerator with the waste heat recovery function as claimed in claim 1, characterized in that: the conduits (12) are symmetrically distributed about a vertical centre line of the reservoir (11).
5. The sludge low-temperature drying incinerator with the waste heat recovery function as claimed in claim 1, characterized in that: quick ash discharging mechanism (8) comprise fixed plate (801), protecting crust (802), access cover (803), servo motor (804) and eccentric wheel (805), fixed plate (801) fixed connection is in the bottom of hot bin (7) one side, one side fixedly connected with protecting crust (802) of fixed plate (801), the inside of protecting crust (802) one side is provided with access cover (803), one side fixedly connected with servo motor (804) of protecting crust (802) inside, shaft coupling fixedly connected with eccentric wheel (805) is passed through to the output of servo motor (804), the inside of eccentric wheel (805) is provided with the mounting hole.
6. The sludge low-temperature drying incinerator with the waste heat recovery function as claimed in claim 5, characterized in that: one side of the access cover (803) is embedded with the inside of one side of the protective shell (802).
7. The sludge low-temperature drying incinerator with the waste heat recovery function as claimed in claim 5, characterized in that: the outer diameter of the output end of the servo motor (804) is consistent with the inner diameter of the mounting hole of the eccentric wheel (805).
8. The sludge low-temperature drying incinerator with the waste heat recovery function as claimed in claim 1, characterized in that: feed anti-blocking mechanism (16) comprises second support body (1601), driving motor (1602), passage (1603), hopper (1604) and spiral roller axle (1605), one side on bottom plate (1) top is connected to second support body (1601) fixed, top fixedly connected with passage (1603) of second support body (1601), top fixedly connected with hopper (1604) of passage (1603), one side fixedly connected with driving motor (1602) of passage (1603), one side and fixedly connected with spiral roller axle (1605) of passage (1603) are run through to the output of driving motor (1602).
9. The sludge low-temperature drying incinerator with the waste heat recovery function as claimed in claim 8, characterized in that: the horizontal center line of the spiral roller shaft (1605) is consistent with the horizontal center line of the driving motor (1602).
10. The sludge low-temperature drying incinerator with the waste heat recovery function as claimed in claim 8, characterized in that: the interior of the material guide pipe (1603) is communicated with the interior of the front end bin (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110642078.3A CN113483338A (en) | 2021-06-09 | 2021-06-09 | Sludge low-temperature drying incinerator with waste heat recovery function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110642078.3A CN113483338A (en) | 2021-06-09 | 2021-06-09 | Sludge low-temperature drying incinerator with waste heat recovery function |
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| CN113483338A true CN113483338A (en) | 2021-10-08 |
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| CN202110642078.3A Pending CN113483338A (en) | 2021-06-09 | 2021-06-09 | Sludge low-temperature drying incinerator with waste heat recovery function |
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Cited By (2)
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| CN113927788A (en) * | 2021-10-11 | 2022-01-14 | 严仁苹 | Material guiding system with thermal cycle constant temperature effect for plastic product production |
| CN114001362A (en) * | 2021-12-03 | 2022-02-01 | 上海市离心机械研究所有限公司 | Waste heat recovery system of recycling based on energy-concerving and environment-protective sludge drying burns technique |
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Application publication date: 20211008 |