CN210711238U - System for utilize stove cigarette to handle municipal sludge - Google Patents

System for utilize stove cigarette to handle municipal sludge Download PDF

Info

Publication number
CN210711238U
CN210711238U CN201921565743.8U CN201921565743U CN210711238U CN 210711238 U CN210711238 U CN 210711238U CN 201921565743 U CN201921565743 U CN 201921565743U CN 210711238 U CN210711238 U CN 210711238U
Authority
CN
China
Prior art keywords
sludge
drying drum
furnace smoke
pipeline
rotary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921565743.8U
Other languages
Chinese (zh)
Inventor
周虹光
严万军
吴庆龙
丹慧杰
牟春华
严响林
李帅英
卢琦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thermal Power Research Institute
Xian Thermal Power Research Institute Co Ltd
Xian Xire Boiler Environmental Protection Engineering Co Ltd
Original Assignee
Thermal Power Research Institute
Xian Xire Boiler Environmental Protection Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thermal Power Research Institute, Xian Xire Boiler Environmental Protection Engineering Co Ltd filed Critical Thermal Power Research Institute
Priority to CN201921565743.8U priority Critical patent/CN210711238U/en
Application granted granted Critical
Publication of CN210711238U publication Critical patent/CN210711238U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

Abstract

The utility model provides an utilize system of stove cigarette processing municipal sludge, system simple structure, energy consumption are little, the working costs is low, can utilize flue gas drying process and transport mud safely high-efficiently in succession, simultaneously with moisture recycle in the mud. The system comprises a furnace smoke pipeline and a sludge integrated processor; the sludge integrated processor comprises a rotary sludge drying roller, a crushing and conveying fan and a steam condenser; the furnace smoke pipeline comprises an input furnace smoke pipeline and an output furnace smoke pipeline; a flue gas inlet of the rotary sludge drying drum is connected with a flue gas pipeline of the input furnace, a flue gas outlet is connected with a crushing and conveying fan, and a sludge inlet connected with a sludge feeding device is arranged on the rotary sludge drying drum; a plurality of heat storage balls are arranged in the rotary sludge drying drum; the steam condenser is connected with the rotary sludge drying drum in parallel or connected between the rotary sludge drying drum and the crushing and conveying fan in series; the outlet of the crushing and conveying fan is connected with the smoke pipeline of the output furnace.

Description

System for utilize stove cigarette to handle municipal sludge
Technical Field
The utility model relates to a sludge treatment technical field specifically is a system for utilize stove cigarette to handle municipal sludge.
Background
Municipal sludge is sludge produced during operation and maintenance of municipal facilities in urban life and in connection with activities of urban life. Municipal sludge is mainly classified into municipal sewage plant sludge, municipal water supply sludge, municipal water body dredging sludge, municipal drainage channel sludge, municipal construction site slurry, and the like according to the source thereof. Along with the acceleration of the urbanization process in China, the amount of urban sludge is greatly increased, and the social treatment problems such as sludge enclosing city and the like appear. The traditional municipal sludge treatment method mainly comprises the methods of sanitary landfill, land utilization, incineration, throwing into the sea and the like, but the traditional municipal sludge treatment method has the problems of secondary pollution, difficult control of atmospheric water quality pollution, high investment and operation cost and the like.
Coal-fired power plants are plants that produce electrical energy using fossil fuel coal as a fuel. The energy-saving and energy-saving boiler has the advantages that abundant heat sources (such as steam, flue gas and the like which can be used for drying sludge) exist in the process of producing electric energy, and meanwhile, the combustion of the boiler furnace of the coal-fired power plant has the characteristic of high temperature, and harmful substances such as bacteria, dioxin and the like carried in the sludge can be eliminated in the high-temperature environment of the furnace, so that the coal-fired power plant has certain advantages in treating municipal sludge. The typical technical route for treating municipal sludge in the current coal-fired power plant is to indirectly heat and dry carbonized sludge by using steam, and the dried and carbonized sludge is sent to a coal mill to be ground together with raw coal and then sent to a hearth for combustion. The technical route has the defects of complex system, more equipment, high operation and maintenance cost, high initial investment, long investment recovery period and the like.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides an utilize system of stove cigarette processing municipal sludge, system simple structure, energy consumption are little, the working costs is low, can utilize flue gas drying process and transport mud safely high-efficiently in succession, simultaneously with moisture recycle in the mud.
The utility model discloses a realize through following technical scheme:
a system for treating municipal sludge by using furnace smoke comprises a furnace smoke pipeline and a sludge integrated processor; the sludge integrated processor comprises a rotary sludge drying roller, a crushing and conveying fan and a steam condenser;
the furnace smoke pipeline comprises an input furnace smoke pipeline and an output furnace smoke pipeline;
the flue gas inlet of the rotary sludge drying drum is connected with the flue gas pipeline of the input furnace, the flue gas outlet is connected with the crushing and conveying fan, and the rotary sludge drying drum is provided with a sludge inlet connected with the sludge feeding device; a plurality of heat storage balls are arranged in the rotary sludge drying drum;
the steam condenser is connected with the rotary sludge drying drum in parallel or connected between the rotary sludge drying drum and the crushing and conveying fan in series;
the outlet of the crushing and conveying fan is connected with an output furnace smoke pipeline.
Preferably, the rotary sludge drying drum inner wall is provided with a plurality of radial clapboards along the drum axis, the clapboards divide the space in the rotary sludge drying drum into a plurality of communicated cavity bodies, and the heat storage ball is arranged in the cavity bodies.
Preferably, the furnace smoke is high-temperature furnace smoke and/or medium-temperature furnace smoke; the inlet end of the input furnace smoke pipeline is provided with two inlets, one inlet is connected with an outlet flue of the boiler furnace to extract high-temperature furnace smoke, the other inlet is connected with an outlet flue of the SCR denitration device to extract medium-temperature furnace smoke, and the boiler furnace and the SCR denitration device are sequentially connected.
Preferably, the outlet of the crushing and conveying fan is connected with a burner nozzle of a boiler hearth through an output furnace smoke pipeline.
Preferably, the inlet of the steam condenser is connected with the flue gas inlet of the rotary sludge drying drum, and the outlet of the steam condenser is connected with the flue gas outlet of the rotary sludge drying drum to form parallel connection of the steam condenser and the rotary sludge drying drum; the pipeline of the steam condenser is provided with a steam valve, the flue gas pipeline of the input flue is provided with a flue gas valve, and the flue gas outlet of the rotary sludge drying drum is provided with an outlet valve.
Preferably, the inlet of the steam condenser is connected with the flue gas outlet of the rotary sludge drying drum, the outlet of the steam condenser is connected with the inlet of the crushing and conveying fan, and meanwhile, a connecting pipeline is arranged between the flue gas outlet of the rotary sludge drying drum and the inlet of the crushing and conveying fan and is connected with the steam condenser in parallel to form the series connection of the steam condenser and the rotary sludge drying drum; the pipeline of the steam condenser is provided with a steam valve, the furnace smoke pipeline is provided with a furnace smoke valve, and the connecting pipeline is provided with a bypass valve.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the system of the utility model is simple and only comprises the integrated sludge treatment machine and the furnace smoke pipeline equipment, so that the initial investment of the whole system is small, the operation and maintenance cost is low, and the system is safe to operate and has high reliability; the heat storage balls in the rotary sludge drying cylinder are used for storing heat and releasing heat to evaporate the water in the sludge, the heat storage balls extrude and crush the sludge in the process, and the contact surface for evaporating the water in the sludge is increased, so that the evaporation speed of the water is accelerated, and the drying efficiency of the sludge is improved. The steam heat in the sludge evaporation process is recovered through the steam condenser, and meanwhile, the water in the sludge is recycled after condensation, so that the energy-saving and water-saving benefits are better; and finally, the dried sludge is directly sent into a hearth through a crushing and conveying fan, so that secondary pollution is avoided.
Further, the utility model discloses the mud evaporation to dryness section adopts negative pressure system, directly sends into furnace after the mud drying simultaneously and burns, has eliminated the mud drying process in outer hourglass and dry mud secondary fortune and has caused secondary pollution to the environment.
Drawings
FIG. 1 is a schematic diagram of a system for treating municipal sludge by using flue gas when steam condensers are connected in parallel.
Fig. 2 is a schematic cross-sectional view of a-a in fig. 1 according to the present invention.
FIG. 3 is a schematic diagram of a system for treating municipal sludge by using flue gas when the steam condensers are connected in series.
In the figure: 1-sludge integrated processor; 2-rotating a sludge drying drum; 3-crushing and conveying the fan; 4-a steam condenser; 5-a sludge feeding system; 6-a separator; 7-rotating the wall of the sludge drying drum; 8-heat storage balls; 9-boiler furnace; 10-SCR denitration device; 11-a fume valve; 12-a steam valve; 13-an outlet valve; 14-an input furnace smoke pipeline; 15-output furnace smoke pipeline, 16-connecting pipeline; 17-bypass valve, 18-high temperature smoke valve, 19-medium temperature smoke valve.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
The utility model relates to an utilize device of stove cigarette processing municipal sludge, as shown in figure 1, including mud integration processor 1 and stove tobacco pipe way, wherein mud integration processor 1 is shown in the dotted line frame in figure 1, and it includes gyration sludge drying drum 2, smashes conveying fan 3 and steam condenser 4. As shown in fig. 2, a plurality of radial baffles 6 axially arranged inside the rotary sludge drying drum 2 are divided into a plurality of cavity bodies, heat storage balls 8 are placed in the cavity bodies, the baffles are radially arranged, and the radial length of the baffles is smaller than the radius of the rotary sludge drying drum 2, so that the cavity bodies are communicated with each other in the center of the rotary sludge drying drum 2.
Specifically, the utility model relates to an utilize among the system of flue gas treatment municipal sludge, as shown in fig. 1, 2 flue gas entries of gyration sludge drying drum and boiler afterbody flue high temperature/medium temperature flue gas get the mouth and be connected, the exhanst gas outlet with smash 3 entry linkage of conveyor fan, smash 3 exports of conveyor fan and is connected with boiler furnace 9's combustor spout. And a sludge feeding device 5 is arranged on the flue gas inlet side of the rotary sludge drying drum 2. The inlet end of the input furnace smoke pipeline 14 is provided with two inlets, one inlet is connected with an outlet flue of a boiler furnace 9 to extract high-temperature furnace smoke, the other inlet is connected with an outlet flue of an SCR denitration device 10 to extract medium-temperature furnace smoke, and the boiler furnace 9 and the SCR denitration device 10 are sequentially connected; the two inlets are respectively and correspondingly provided with a high-temperature furnace smoke valve 18 and a medium-temperature furnace smoke valve 19.
The outlet of the steam condenser 4 is connected with the inlet of the crushing and conveying fan 3, the inlet can be connected with the flue gas outlet or the flue gas inlet of the rotary sludge drying drum 2, the outlet is connected with the flue gas inlet in parallel with the rotary sludge drying drum 2, and the outlet is connected with the flue gas outlet in series with the rotary sludge drying drum 2.
When in parallel connection, as shown in fig. 1, a flue gas valve 11 is arranged on the flue gas inlet pipe 14, a steam valve 12 is arranged at the inlet end of the steam condenser 4, and an outlet valve 13 is arranged at the flue gas outlet of the rotary sludge drying drum 2; when the steam is recovered, the furnace smoke valve 11 and the outlet valve 13 are closed, and the steam valve 12 is opened; when the dry sludge is blown and conveyed, the furnace smoke valve 11 and the outlet valve 13 are opened, and the steam valve 12 is closed.
When the steam condenser is connected in series, as shown in fig. 3, a connecting pipeline 16 is arranged in parallel with the steam condenser 4, a flue gas valve 11 is arranged on an input flue gas pipeline 14, a steam valve 12 is arranged at the input end of the steam condenser 4, and a bypass valve 17 is arranged on the connecting pipeline 16; when the steam is recovered, the furnace smoke valve 11 and the bypass valve 17 are closed, and the steam valve 12 is opened; when the dry sludge is blown and conveyed, the furnace smoke valve 11 and the bypass valve 17 are opened, and the steam valve 12 is closed.
The utility model discloses utilize stove cigarette drying sludge and innovated on the sludge drying mode, at first rely on heat accumulation ball 8 in the stove cigarette heating gyration sludge drying cylinder 2 and make its heat accumulation, then through heat accumulation ball 8 extrusion mud and the moisture in the exothermic flash evaporation to dryness mud, will evaporate out steam heat simultaneously and retrieve and to condensate water recycle, improve the effect that sludge drying efficiency reaches energy-conservation, water conservation simultaneously.
The utility model relates to a system for treating municipal sludge by using furnace smoke, when in use,
a. high-temperature and/or medium-temperature furnace smoke is extracted from a flue at the tail part of the boiler through a crushing and conveying fan 3 and an input furnace smoke pipeline 14, and the high-temperature and/or medium-temperature furnace smoke enters a rotary sludge drying drum 2 to heat a heat storage ball 8 and enable the heat storage ball to complete heat storage; in the heat accumulation, because smash the continuous extraction of conveying fan 3 to the flue gas, form negative pressure state at gyration sludge drying cylinder 2, prevent that the material from leaking outward. In the actual operation process, the smoke extraction amount of the high-temperature/medium-temperature furnace is adjusted through the sludge treatment amount. The high temperature/medium temperature furnace smoke after releasing heat is sent to a boiler hearth by a crushing and conveying fan 3.
b. After the heat storage ball 8 in the rotary sludge drying drum 2 finishes heat storage, the channel of the furnace smoke inlet pipeline 14 is cut off, the extraction of high-temperature and/or medium-temperature furnace smoke is stopped, at the moment, wet sludge is sent into the rotary sludge drying drum 2 through the sludge feeding system 5, and under the extrusion and heating of the heat storage ball 8, the evaporation surface of moisture in the wet sludge is enlarged to accelerate the evaporation of the moisture. Meanwhile, the evaporated water vapor enters the steam condenser 4 for condensation and heat release, so that the water vapor carries heat and condensed water to be recycled, and the purposes of energy saving and water saving are achieved;
c. after the sludge is dried, a loop of the steam condenser 4 is closed, an input furnace smoke pipeline 14 is opened, high-temperature and/or medium-temperature furnace smoke is extracted by the crushing and conveying fan 3 to blow and convey dry sludge in the rotary sludge drying drum 2, and the dried sludge is conveyed to a boiler hearth for combustion. And heat is stored in the heat storage ball 8 in the rotary sludge drying roller 2 in the sludge sweeping process.
d. And (c) repeating the steps a to c after the sludge in the rotary sludge drying drum 2 is completely swept, and periodically and circularly treating the sludge.

Claims (6)

1. A system for treating municipal sludge by using furnace smoke is characterized by comprising a furnace smoke pipeline and a sludge integrated processor (1); the integrated sludge treatment machine (1) comprises a rotary sludge drying roller (2), a crushing and conveying fan (3) and a steam condenser (4);
the furnace smoke pipeline comprises an input furnace smoke pipeline (14) and an output furnace smoke pipeline (15);
a flue gas inlet of the rotary sludge drying drum (2) is connected with an input furnace flue pipe (14), a flue gas outlet is connected with a crushing and conveying fan (3), and a sludge inlet connected with a sludge feeding device (5) is arranged on the rotary sludge drying drum (2); a plurality of heat storage balls (8) are arranged in the rotary sludge drying drum (2);
the steam condenser (4) is connected with the rotary sludge drying drum (2) in parallel or connected between the rotary sludge drying drum (2) and the crushing and conveying fan (3) in series;
the outlet of the crushing and conveying fan (3) is connected with an output furnace smoke pipeline (15).
2. The system for treating municipal sludge by using furnace smoke as claimed in claim 1, wherein the inner wall of the rotary sludge drying drum (2) is provided with a plurality of radial partitions (6) along the axis of the drum, the partitions (6) divide the space in the rotary sludge drying drum (2) into a plurality of communicated hollow cavities, and the heat storage balls (8) are placed in the hollow cavities.
3. The system for treating municipal sludge by using furnace smoke according to claim 1, wherein the furnace smoke is high temperature furnace smoke and/or medium temperature furnace smoke; the inlet end of the input furnace smoke pipeline (14) is provided with two inlets, one inlet is connected with an outlet flue of the boiler furnace (9) to extract high-temperature furnace smoke, the other inlet is connected with an outlet flue of the SCR denitration device (10) to extract medium-temperature furnace smoke, and the boiler furnace (9) and the SCR denitration device (10) are sequentially connected.
4. The system for treating municipal sludge with furnace smoke according to claim 1, wherein the outlet of the pulverizing and delivering blower (3) is connected to the burner port of the boiler furnace (9) through the output furnace flue pipe (15).
5. The system for treating municipal sludge by using furnace smoke as claimed in claim 1, wherein the inlet of the steam condenser (4) is connected with the flue gas inlet of the rotary sludge drying drum (2), and the outlet of the steam condenser (4) is connected with the flue gas outlet of the rotary sludge drying drum (2), so as to form the parallel connection of the steam condenser (4) and the rotary sludge drying drum (2); the pipeline of the steam condenser (4) is provided with a steam valve (12), the flue gas input pipeline (14) is provided with a flue gas valve (11), and the flue gas outlet of the rotary sludge drying drum (2) is provided with an outlet valve (13).
6. The system for treating municipal sludge by using furnace smoke as claimed in claim 1, wherein the inlet of the steam condenser (4) is connected with the flue gas outlet of the rotary sludge drying drum (2), the outlet of the steam condenser (4) is connected with the inlet of the crushing and conveying fan (3), a connecting pipeline (16) is arranged between the outlet of the furnace smoke of the rotary sludge drying drum (2) and the inlet of the crushing and conveying fan (3), the connecting pipeline (16) is arranged in parallel with the steam condenser (4), and the steam condenser (4) and the rotary sludge drying drum (2) are connected in series; the pipeline of the steam condenser (4) is provided with a steam valve (12), the furnace smoke pipeline (14) is provided with a furnace smoke valve (11), and the connecting pipeline (16) is provided with a bypass valve (17).
CN201921565743.8U 2019-09-19 2019-09-19 System for utilize stove cigarette to handle municipal sludge Active CN210711238U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921565743.8U CN210711238U (en) 2019-09-19 2019-09-19 System for utilize stove cigarette to handle municipal sludge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921565743.8U CN210711238U (en) 2019-09-19 2019-09-19 System for utilize stove cigarette to handle municipal sludge

Publications (1)

Publication Number Publication Date
CN210711238U true CN210711238U (en) 2020-06-09

Family

ID=70963167

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921565743.8U Active CN210711238U (en) 2019-09-19 2019-09-19 System for utilize stove cigarette to handle municipal sludge

Country Status (1)

Country Link
CN (1) CN210711238U (en)

Similar Documents

Publication Publication Date Title
CN103244957A (en) Integral treatment method for drying and incinerating sludge
CN203980292U (en) Cement kiln associated treatment combustible waste material system that can bypass cogeneration
CN103708702B (en) Energy-saving sludge drying device by utilizing recovery waste heat of vapor compression
CN104033905B (en) System for combustible waste co-processing in cement kiln with bypass exhaust and waste heat power generation
CN104150732B (en) A kind of mud two-stage anhydration system
CN210320080U (en) Incineration system for coupling wet sludge drying treatment and pulverized coal fired boiler
CN203653407U (en) Energy-saving sludge drying device using solar energy and afterheat
CN202744434U (en) Treatment device for sludge drying
CN102964047A (en) Treatment method of sludge drying
CN205133368U (en) Triple devices that utilize of mud superheated steam drying exhaust steam waste heat
CN210711238U (en) System for utilize stove cigarette to handle municipal sludge
CN104048297A (en) Cement kiln cooperative processing combustible waste and by-pass exhaust power generation complementary system
CN201530772U (en) System utilizing double-stage paddle dryers and drying sludge with superheated steam
CN208222522U (en) A kind of garbage combustion device with heat recovery
CN110736332A (en) household garbage drying system and method
CN201653093U (en) Transversely placed rotary drum reverse air drying furnace
CN207797664U (en) Moist material negative pressure drying equipment
CN202369480U (en) Device for anhydration of sludge by utilizing low-temperature tail exhaust gas of cement kiln
CN208620352U (en) A kind of waste incineration and generating electricity system
CN203116031U (en) System incinerating sludge through smoke waste heat of garbage-incinerating electricity generation
CN104910931A (en) Cultivation farm solid waste continuous pyrolysis carbonization treatment method and device
CN110498589A (en) A kind of system and method using furnace cigarette processing municipal sludge
CN204981747U (en) Continuous pyrolysis and carbonization processing apparatus of solid waste of plant
CN209835944U (en) High-temperature steam fluidized bed sludge drying and blending combustion system suitable for coal-fired boiler
CN209876933U (en) Waste disposal system based on waste incineration waste heat is recycled

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant