CN109368973A - Sludge dry system - Google Patents
Sludge dry system Download PDFInfo
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- CN109368973A CN109368973A CN201811224378.4A CN201811224378A CN109368973A CN 109368973 A CN109368973 A CN 109368973A CN 201811224378 A CN201811224378 A CN 201811224378A CN 109368973 A CN109368973 A CN 109368973A
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- Prior art keywords
- sludge
- cold source
- flue gas
- valve
- hot water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
Abstract
This patent provides sludge dry system, it includes sludge incineration device, flue gas type lithium bromide heat pump unit, condensation heat recoverer and hot-water coil pipe.Waste heat after burning sludge is carried out Multi-class propagation by this patent, and the Multi-class propagation of waste heat includes: to be generated electricity in generator using high-temperature flue gas；High-temperature flue gas participates in low-temperature water heating processed as driving heat source in flue gas type lithium bromide heat pump unit；The medium temperature flue gas that high-temperature flue gas is formed after being utilized is condensed heat exchanger for improving the temperature of cold source water supply, and the cold source water supply for improving temperature returns to flue gas type lithium bromide heat pump unit and participates in low-temperature water heating processed.Finally, the surrounding air of sludge conveying device is heated into dry-heat air by the hot water pipe dish, the dry-heat air is used to dry the sludge in sludge conveying device.This patent brings out hair from the energy, by Multi-class propagation, compensates for the single use high power consumption problem of sludge at low temperature drying equipment bring, is particularly suitable for the more difficult sludge treatment Reconstruction Project of electric power increase-volume.
Description
Technical field
This patent is related to sludge treatment field, and in particular to sludge dry system.
Background technique
The sides such as the processing treatment approach of conventional sludge mainly has landfill anaerobic digestion, burns, and dry compost or building materials utilize
Formula.Landfill anaerobic digestion takes up a large area, and transportation range is remote, and national environmental standard is increasingly strict in addition, disposes traffic expense
With higher and higher.Sludge incineration is easy to bring serious tail gas problem.Drying sludge compost or building materials are using then as one kind
Positive, productive sludge disposal method, there is vast potential for future development.Traditional dry technology and equipment mainly passes through
Burning fuel manufacture overheat high-temperature steam, with steam come heat drying material, there are heated drying energy consumptions greatly, and drying is less economical,
Flexibility is poor, and reliability is low, while bringing a large amount of pollution gas.With the promotion of industry dry technology, sludge at low temperature at present
For dry technology because its stability is good, pollution gas discharge is few, and economy is preferably waited relatively and paid close attention to by market.
Application No. is the patents of 201120315729X to disclose a kind of sludge treating system, it include sludge drying mechanism,
Sludge incineration device, is used for institute the first transport mechanism for the sludge after drying to be transmitted to the sludge incineration device
The high temperature for stating the flue gas that sludge incineration generates in sludge incineration device is transmitted to the second transport mechanism of the sludge drying mechanism,
The sludge drying mechanism passes through the first transport mechanism respectively and the second transport mechanism is connected with the sludge incineration device.It should
Patent be dried in sludge incineration device after sludge incineration, in flue gas processing device to the flue gas after sludge incineration into
Row processing, the waste heat of flue gas is supplied drying and burned by heat exchanger and water circulation after processing uses air, which realizes
Recuperation of heat and recycle also only herein.The effect of flue gas processing device is that flue gas is purified or solidified, and is being purified
Or it is cured during there is the case where waste heat is wasted.If being able to achieve the Multi-class propagation of waste heat, so that it may compensate for single
Using the high power consumption problem of sludge at low temperature drying equipment bring, it is particularly suitable for the more difficult sludge treatment reorganization and expansion item of electric power increase-volume
Mesh.
Summary of the invention
To solve the above problems, this patent provides sludge drying mechanism, it can carry out the fume afterheat after sludge incineration
Multi-class propagation.
The technical solution of this patent is as follows:
Sludge dry system, comprising: sludge conveying device, compressor, fuel supply, burner, combustion gas turbine and generator；
Mud mouth, the discharge port of fuel supply and the air of compressor of the entrance of the burner sludge conveying device in parallel go out
Mouthful, the outlet of burner is connect with combustion gas turbine, and the fuel turbine is connect with generator；It further include flue gas type lithium bromide heat pump
Unit, condensation heat recoverer, condensation water supply line, condensate return pipeline and hot water supply loop, the fuel turbine and flue gas
The air inlet of type lithium bromide heat pump unit connects, and the gas outlet connection condensation heat recoverer of flue gas type lithium bromide heat pump unit enters
The gas outlet of port, condensation heat recoverer connects exhaust pipe；Cold source water supply line connects the water inlet of condensation heat recoverer, condensation
The water outlet of heat regenerator connects the cold source water return outlet of flue gas type lithium bromide heat pump unit, flue gas type bromine by cold source water return pipeline
The cold source water outlet for changing lithium heat pump unit connects the cold source water supply line；The heat supply of flue gas type lithium bromide heat pump unit is discharged
Mouth and heat supply water inlet are separately connected hot water supply loop, and hot water supplies loop using the heat in flue gas type lithium bromide heat pump unit
The sludge in sludge conveying device is dried in amount.
This patent generates high-temperature flue gas by sludge conveying device, compressor, fuel supply, burner.Wherein, sludge
Transmission device is used to transmit the sludge after drying, and sludge is the dry mud of 30% moisture content.Compressor is used to compressed air, fuel supply
Device is used to supply other fuel.The dry mud of 30% moisture content, other fuel, compressed air are sent into burner together, generate high temperature cigarette
Gas.The effect of high-temperature flue gas first is that power generation, high-temperature flue gas push fuel turbine acting, drive gas electricity generator generate electricity.
Fuel turbine has been also connected with flue gas type lithium bromide heat pump unit other than connecting generator.The high-temperature flue gas of combustion gas turbine discharge
It is sent into flue gas type lithium bromide heat pump unit as high temperature heat source, high-temperature flue gas is through flue gas type lithium bromide heat pump unit recuperation of heat benefit
Enter condensation heat recoverer with the medium temperature flue gas of rear discharge and carry out second heat recycling, the low-temperature flue gas after final heat exchange passes through
By in emission by exhaust pipe to surrounding air or atmosphere after processing.Condensation heat recoverer using medium temperature flue gas to cold source supply water into
Row heating, obtained cold source return water enter flue gas type lithium bromide heat pump unit and are utilized as low-temperature heat source, eventually formed
Cold source water supply turns again to condensation heat recoverer and exchanges heat, and then proceedes to by flue gas type lithium bromide heat pump unit as Low Temperature Thermal
Source recycles.The flue gas type lithium bromide heat pump unit that this patent uses belongs to first kind gain of heat type absorption heat pump.This patent
Using absorption heat pump principle, high-temperature flue gas is the generator for entering absorption heat pump as driving heat source, and heat is absorbed formula
The flue-gas temperature discharged is down to 150 DEG C or so after heat pump utilizes, 150 DEG C or so of medium temperature flue gas enter in condensation heat recoverer with
Low-grade cold source exchanges heat, and low-grade cold source grade is low, concentration is small, little energy, is the waste heat energy not being taken seriously.In
Low-grade sink temperature is risen to 25 DEG C or so by 20 DEG C by warm flue gas, subsequently into the evaporator of absorption heat pump, after absorbing heat
Cooling cycle utilizes again, this is improved due to sink temperature in the process, improves evaporating temperature, the performance meeting of absorption heat pump
It improves.The condenser heat rejection for running simultaneously absorption heat pump in entire cyclic process produces 75 DEG C of hot water and is supplied in drying sludge
It utilizes.The absorption heat pump heat supply coefficient of performance can achieve 2.5 or so, and efficiency is higher.Flue gas type lithium bromide heat pump unit
It is separately connected hot water supply loop for hot water outlet and heat supply water inlet, hot water supplies loop and utilizes flue gas type lithium bromide heat pump machine
The sludge in sludge conveying device is dried in the hot water that group is produced.The hot water that dry mode can be circulation is also possible to
The hot wind that hot water generates.Finally dry sludge is recycled again to generate electricity and carry out wet mud with multistage recuperation of heat as fuel
Desiccation.The Multi-class propagation of waste heat includes: to be generated electricity in generator using high-temperature flue gas；High-temperature flue gas is as driving heat source in flue gas
Low-temperature water heating processed is participated in type lithium bromide heat pump unit；The medium temperature flue gas that high-temperature flue gas is formed after being utilized be condensed heat exchanger use
The temperature of cold source water supply is improved, the cold source water supply for improving temperature returns to flue gas type lithium bromide heat pump unit and participate in Low Temperature Thermal processed
Water.This patent proposes a kind of system that disposition is dried for regional sludge, brings out hair from the energy, by Multi-class propagation,
The single use high power consumption problem of sludge at low temperature drying equipment bring is compensated for, is particularly suitable at the more difficult sludge of electric power increase-volume
Set Reconstruction Project.
Further, the hot water supply loop includes hot-water coil pipe, hot water feeding pipe road, hot water backwater's pipeline, flue gas
The water inlet for connecting hot-water coil pipe by hot water feeding pipe road for hot water outlet of type lithium bromide heat pump unit, hot-water coil pipe go out
The mouth of a river connects the heat supply water inlet of flue gas type lithium bromide heat pump unit by hot water backwater's pipeline.Flue gas type lithium bromide heat pump unit
By using high-temperature flue gas and low-grade cold source synchronize produce low-temperature water heating, low-temperature water heating is 75 DEG C.Low-temperature water heating is in hot water disc
It is circulated in pipe, surrounding air is heated to obtain dry-heat air, the hot water backwater that temperature reduces after heat exchange is fed again into cigarette
Gas type lithium bromide heat pump unit is exchanged heat to be recycled again.Dry-heat air blows to sludge conveying device, for drying sludge
Sludge in transmission device.
Further, including cold source water pipe, the first valve, the second valve, third valve, the 4th valve and the 5th valve
Door；Cold source water pipe accesses in the cold source water supply line, and cold source water pipe is equipped with the first valve, cold source water supply line
The second valve of upper setting and third valve, the second valve, third valve are separately positioned on cold source water pipe and cold source water supplying pipe
The front and back of pipeline joint；4th valve is set on cold source water return pipeline；It further include cold source by-pass line connection cold source water return pipeline
With cold source water supply line, the cold source by-pass line is equipped with the 5th valve.Low-grade cold source moisturizing is mended by low-grade cold source
Water lines carry out moisturizing.And multiple valves are set, valve be used to control the direction of fluid, pressure, flow device, be to make pipe
Medium (liquid, gas, powder) in road flows or stops and can control the device of its flow.It is further added by a cold source water supply pipe
Road is used to give cold source water supply line moisturizing.This is because cold source supplies water always in cold source heat regenerator and flue gas type lithium bromide heat
It is recycled between pump assembly, cold source, which supplies water, enters cold source heat regenerator, then arrives the process come out from flue gas type lithium bromide heat pump unit, water
Changes will occur with temperature for amount.So needing a cold source moisturizing pipeline regulation water, mainly supplement cold source supplies water.Separately
Outside, cold source by-pass line connection cold source water return pipeline and cold source water supply line, the cold source through condensation heat recoverer heat exchange supply water
Mixed water management temperature is carried out by the 5th valve on cold source bypass line with cold source return water.
Further, including the 6th valve, the 7th valve, the 8th valve；6th valve is set on the hot water feeding pipe road
, the 7th valve is set on hot water backwater's pipeline；It further include hot water bypass duct connection hot water feeding pipe road and hot water backwater
The 8th valve is arranged on the hot water bypass duct for pipeline.Multiple valves are set on hot water supply loop, and valve is used to control stream
The direction of body, pressure, flow device, be that the medium (liquid, gas, powder) in pipeline is made to flow or stop and can control it
The device of flow.Wherein, the 8th valve on hot water bypass duct is used to carry out hot water feeding pipe road and hot water backwater's pipeline
Mixed water is to control temperature.
It further, further include the 9th valve, combustion gas turbine connects flue gas type lithium bromide heat pump unit by the 9th valve.
9th valve is that the high-temperature gas in pipeline is made to flow or stop and can control the device of its flow.
Further, the hot water pipe dish setting is arranged in sludge drying workshop with sludge conveying device, the dirt
Mud desiccation workshop includes drying sludge area and heat transfer zone, and partition, the partition are equipped between the drying sludge area and heat transfer zone
It is equipped with air outlet and return air inlet, in heat transfer zone, sludge conveying device is arranged in drying sludge area for the hot water pipe dish setting.Heat
The setting of water pipe disk is arranged with sludge conveying device in the same space, this space then can choose in sludge drying workshop.?
In sludge drying workshop, low-temperature water heating circulates in hot-water coil pipe, and the surrounding air of heat transfer zone is heated to obtain dry heat
Wind, the dry-heat air are blown into drying sludge area from the air outlet on partition, and dry-heat air dry sludge in drying sludge area passes
The sludge in device is sent, the dry-heat air after dry sludge is returned to heat transfer zone from the return air inlet on partition, continues by hot water disc
Pipe heating, is thusly-formed the circulation of wind.
Further, the sludge drying workshop includes upper layer and lower layer, and drying sludge area and heat transfer zone are located at lower layer, on
Layer setting ventilation opening, drying sludge area are connected to by ventilation opening with upper layer, and upper layer is connected to by return air inlet with heat transfer zone, heat transfer zone
It is connected to by air outlet with drying sludge area.Sludge drying factory separately opens up path of the upper layer as return air.
Further, air outlet is provided with below return air inlet in the partition.The endless form and sludge served back below
Slitting sludge on transmission device exchanges heat, and slitting sludge is dried.
Further, the sludge conveying device is that network chain transmits device of sludge, it includes that upper and lower horizontal correspondence is arranged in
Network chain transmission belt in rack.
The beneficial effect of this patent is that this patent proposes a kind of system that disposition is dried for regional sludge,
Hair is brought out from the energy, by Multi-class propagation, compensates for the single use high power consumption problem of sludge at low temperature drying equipment bring, especially
The sludge treatment Reconstruction Project more difficult suitable for electric power increase-volume.Realize the sustainable use of sludge and the Multi-class propagation of the energy,
Good energy saving property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of this patent sludge dry system
It include sludge conveying device 1, compressor 2, fuel supply 3, burner 4, combustion gas turbine 5 and generator 6, flue gas in figure
Type lithium bromide heat pump unit 7, condensation heat recoverer 8, cold source water supply line 9, cold source water return pipeline 10, hot-water coil pipe 11, hot water
Water supply line 12, hot water backwater's pipeline 13, cold source water pipe 14, the first valve 15, the second valve 16, third valve 17,
Four valves 18 and the 5th valve 19, cold source bypass line 20, the 6th valve 21, the 7th valve 22, the 8th valve 23, hot water bypass
Pipeline 24, the 9th valve 25, sludge drying workshop 26, drying sludge area 27, heat transfer zone 28, partition 29, air outlet 30, return air inlet
31, upper layer 32, ventilation hole 33.
Specific embodiment
This patent is further described below in conjunction with attached drawing.
Sludge dry system, as shown in Figure 1, comprising: sludge conveying device 1, compressor 2, fuel supply 3, burner
4, combustion gas turbine 5 and generator 6；The mud mouth of the entrance of burner 4 sludge conveying device 1 in parallel, fuel supply 2
The outlet of the air outlet slit of discharge port and compressor 3, burner 4 is connect with combustion gas turbine 5, the fuel turbine 5 and generator 6
Connection.
Include flue gas type lithium bromide heat pump unit 7 and condensation heat recoverer 8 in Fig. 1, the fuel turbine 5 also with flue gas type
Lithium bromide heat pump unit 7 connects, the air intake of the gas outlet connection condensation heat recoverer 8 of flue gas type lithium bromide heat pump unit 7, cold
The gas outlet of solidifying heat regenerator 8 connects exhaust pipe, and gas is discharged into surrounding air by exhaust pipe.
Fig. 1 includes that the flue gas type lithium bromide heat pump unit 7, condensation heat recoverer 8, cold source water supply line 9 and cold source return
Waterpipe 10, the air intake of the gas outlet connection condensation heat recoverer 8 of the flue gas type lithium bromide heat pump unit 7, cold source supply water
Pipeline 9 connects the water inlet of condensation heat recoverer 8, and the water outlet of condensation heat recoverer 8 connects cigarette by cold source water return pipeline 10
The cold source water outlet of the cold source water return outlet of gas type lithium bromide heat pump unit 7, flue gas type lithium bromide heat pump unit 7 connects the cold source
Water supply line 9.
Fig. 1 includes going back hot water supply loop, and flue gas type lithium bromide heat pump unit 7 is divided for hot water outlet and heat supply water inlet
Not Lian Jie hot water supply loop, hot water, which is supplied loop and transmitted using the heat in flue gas type lithium bromide heat pump unit 7 to sludge, to be filled
Sludge in setting is dried.In embodiment shown in FIG. 1, hot water supply loop includes hot-water coil pipe 11, hot-water coil pipe 11, heat
Heating water's water outlet of water water supply line 12, flue gas type lithium bromide heat pump unit 7 connects hot water by hot water feeding pipe road 12
The water outlet of the water inlet of coil pipe 11, hot-water coil pipe 11 connects flue gas type lithium bromide heat pump unit 7 by hot water backwater's pipeline 13
Heating water's water inlet；The hot water pipe dish 11 is arranged in space locating for sludge conveying device 1, for transmitting sludge
The surrounding air of device 1 is heated into dry-heat air, and the dry-heat air is used to dry the sludge in sludge conveying device 1.
This patent generates high-temperature flue gas by sludge conveying device 1, compressor 2, fuel supply 3, burner 4.Wherein,
Sludge conveying device 1 is used to transmit the sludge after drying, and sludge is the dry mud of 30% moisture content.Compressor 2 is used to compressed air, combustion
Material power supply unit 3 is used to supply other fuel.The dry mud of 30% moisture content, other fuel, compressed air are sent into together in burner 4, are produced
Raw high-temperature flue gas.The effect of high-temperature flue gas first is that power generation, high-temperature flue gas push fuel turbine 5 do work, drive gas electricity generator 6
It generates electricity.Fuel turbine 5 has been also connected with flue gas type lithium bromide heat pump unit 7 other than connecting generator 6.Combustion gas turbine 5
The high-temperature flue gas of discharge is sent into flue gas type lithium bromide heat pump unit 7 as high temperature heat source, and high-temperature flue gas is through flue gas type lithium bromide
The medium temperature flue gas that 7 recuperation of heat of heat pump unit is discharged after enters condensation heat recoverer 8 and carries out second heat recycling, finally changes
Low-temperature flue gas after heat is discharged into after treatment in surrounding air or atmosphere.Condensation heat recoverer 8 utilizes medium temperature flue gas pair
Cold source water supply is heated, and obtained cold source return water enters flue gas type lithium bromide heat pump unit 7 and utilized as low-temperature heat source,
The cold source water supply eventually formed turns again to condensation heat recoverer 8 and exchanges heat, and then proceedes to by flue gas type lithium bromide heat pump machine
Group 7 is recycled as low-temperature heat source.
The flue gas type lithium bromide heat pump unit 7 that this patent uses belongs to first kind gain of heat type absorption heat pump.This patent is adopted
With absorption heat pump principle, high-temperature flue gas is the generator for entering absorption heat pump as driving heat source, and heat is absorbed formula heat
The flue-gas temperature discharged is down to 150 DEG C or so after pump utilizes, 150 DEG C or so of medium temperature flue gas enter in condensation heat recoverer with it is low
Grade cold source exchanges heat, and low-grade cold source grade is low, concentration is small, little energy, is the waste heat energy not being taken seriously.Medium temperature
Low-grade sink temperature is risen to 25 DEG C or so by 20 DEG C by flue gas, subsequently into the evaporator of absorption heat pump, after being absorbed heat again
Secondary cooling cycle utilizes, this is improved due to sink temperature in the process, improves evaporating temperature, the performance of absorption heat pump can mention
It is high.The condenser heat rejection for running simultaneously absorption heat pump in entire cyclic process produces 75 DEG C of hot water and is supplied in drying sludge benefit
With.The absorption heat pump heat supply coefficient of performance can achieve 2.5 or so, and efficiency is higher.
The Multi-class propagation of this patent waste heat includes: to be generated electricity in generator using high-temperature flue gas；High-temperature flue gas is as driving
Heat source participates in low-temperature water heating processed in flue gas type lithium bromide heat pump unit；The medium temperature flue gas that high-temperature flue gas is formed after being utilized is cold
Solidifying heat exchanger is used to improve the temperature of cold source water supply, and the cold source water supply for improving temperature returns to flue gas type lithium bromide heat pump unit ginseng
With low-temperature water heating processed.
In hot water supply loop, flue gas type lithium bromide heat pump unit 7 passes through same using high-temperature flue gas and low-grade cold source
Step produces low-temperature water heating, and low-temperature water heating is 75 DEG C.Low-temperature water heating circulates in hot-water coil pipe 11, and surrounding air is heated
To dry-heat air, the hot water backwater that temperature reduces after heat exchange is fed again into flue gas type lithium bromide heat pump unit 7 and is exchanged heat again
It is secondary to recycle.And hot-water coil pipe 11 and sludge conveying device 1 are in the same space, dry-heat air can also blow to sludge transmission dress
1 is set, for drying the sludge in sludge conveying device 1.Finally dry sludge is recycled again as fuel to generate electricity
Wet mud desiccation is carried out with multistage recuperation of heat.
Preferably, cold source water pipe 14, the first valve 15, the second valve 16, third valve 17, the 4th valve are also set up
18 and the 5th valve 19；Cold source water pipe 14 accesses in the cold source water supply line 9, and cold source water pipe 14 is equipped with first
The second valve 16 and third valve 17 are arranged on cold source water supply line 9 for valve 15, and the second valve 16, third valve 17 are set respectively
It sets before and after cold source water pipe 14 and 9 interface of cold source water supply line；4th valve 18 is set on cold source water return pipeline 10；Also
Including a cold source by-pass line 20 connection cold source water return pipeline 9 and cold source water supply line 10, set on the cold source by-pass line 20
There is the 5th valve 19.Low-grade cold source moisturizing carries out moisturizing by low-grade cold source water pipe 14.And multiple valves are set,
Valve be used to control the direction of fluid, pressure, flow device, be make the medium (liquid, gas, powder) in pipeline flow or
Stop and can control the device of its flow.It is further added by a cold source water pipe 14, is used to give cold source water supply line moisturizing.This is
Because cold source water supply recycles between cold source heat regenerator 8 and flue gas type lithium bromide heat pump unit 7 always, cold source, which supplies water, enters cold source
Heat regenerator 8, then to the process come out from flue gas type lithium bromide heat pump unit 7, changes will occur for water and temperature.So needing
There is a cold source moisturizing pipeline 14 to regulate and control water, mainly supplement cold source supplies water.In addition, a cold source by-pass line 20 be connected to it is cold
Source water return pipeline 9 and cold source water supply line 10, the cold source to exchange heat through condensation heat recoverer 8 supplies water and cold source return water passes through by cold source
The 5th valve 19 on siphunculus road 20 carries out mixed water management temperature.
Equally, multiple valves are also provided on hot water supply loop, valve is used to control the direction of fluid, pressure, flow
Device is that the medium (liquid, gas, powder) in pipeline is made to flow or stop and can control the device of its flow.Hot water supply
6th valve 21, the 7th valve 22, the 8th valve 23 are set on loop；6th valve is set on the hot water feeding pipe road 12
21, the 7th valve 22 is set on hot water backwater's pipeline 13；Further include a hot water bypass duct 24 connection hot water feeding pipe road 12 with
The 8th valve 23 is arranged on the hot water bypass duct 24 for hot water backwater's pipeline 13.Wherein, the 8th on hot water bypass duct 24
Valve 23 is used to carry out the mixed water of hot water feeding pipe road 12 and hot water backwater's pipeline 13 to control temperature.
Combustion gas turbine 5 connects flue gas type lithium bromide heat pump unit 7 by the 9th valve 25.9th valve 25 is the height made in pipeline
Wet body flows or stops and can control the device of its flow.
As shown in Figure 1, the setting of hot water pipe dish 11 is arranged in sludge drying workshop 26 with sludge conveying device 1,
The sludge drying workshop 26 includes drying sludge area 27 and heat transfer zone 28, is set between the drying sludge area 27 and heat transfer zone 28
There is partition 29, the partition 29 is equipped with air outlet 30 and return air inlet 31, and the hot water pipe dish 11 is arranged in heat transfer zone 28, sludge
Transmission device 1 is arranged in drying sludge area 27.As shown in the figure, heat transfer zone is also the vertical passageway separated by partition 29.
The setting of hot water pipe dish 11 is arranged with sludge conveying device 1 in the same space, this space then can choose in dirt
Mud desiccation workshop 26.In sludge drying workshop 26, low-temperature water heating circulates in hot-water coil pipe 11, by the ring of heat transfer zone 28
Border air heats to obtain dry-heat air, which is blown into drying sludge area 27, dry heat from the air outlet 30 on partition 29
Wind dries the sludge in sludge conveying device 1 in drying sludge area 27, and the dry-heat air after dry sludge is from partition 29
Return air inlet 31 is returned to heat transfer zone 28, and continuation is heated by hot-water coil pipe 11, is thusly-formed the circulation of wind.
Preferably, the sludge drying workshop 26 includes upper layer 32 and lower layer, the lower layer include drying sludge area 27 with
Ventilation opening 33 is arranged in heat transfer zone 28, upper layer 33, and drying sludge area 27 is connected to by ventilation opening 33 with upper layer 33, and upper layer 33 passes through back
Air port 31 is connected to heat transfer zone 28, and heat transfer zone 28 is connected to by air outlet 30 with drying sludge area.Sludge drying factory separately opens up one
Path of the upper layer 32 as wind.Preferably, air outlet 30 is provided with below return air inlet 31 in the partition 30.It serves back below
Endless form exchanges heat with the slitting sludge on sludge conveying device 1, and slitting sludge is dried.Sludge drying workshop 26
Flows drying cycles air-supply, drying cycles air-supply flow up, dry sludge during flowing up, then upper layer
32 flow drying cycles return air, and drying cycles return air returns heat transfer zone 28.The sludge conveying device 1 that this patent uses is net
Chain transmits device of sludge, it includes the network chain transmission belt of upper and lower horizontal corresponding arrangement on the rack.
This patent proposes a kind of system that disposition is dried for regional sludge, brings out hair from the energy, passes through multistage
It utilizes, compensates for the single use high power consumption problem of sludge at low temperature drying equipment bring, it is more difficult to be particularly suitable for electric power increase-volume
Sludge treatment Reconstruction Project.
Claims (9)
1. sludge dry system characterized by comprising
Sludge conveying device, compressor, fuel supply, burner, combustion gas turbine and generator；The entrance parallel connection institute of burner
State the air outlet slit of the mud mouth of sludge conveying device, the discharge port of fuel supply and compressor, the outlet and combustion of burner
The connection of gas turbine, the fuel turbine are connect with generator；
It further include flue gas type lithium bromide heat pump unit, condensation heat recoverer, condensation heat recoverer cold source water supply line, cold source return water
Pipeline and hot water supply loop；
The fuel turbine is connect with the air inlet of flue gas type lithium bromide heat pump unit, the outlet of flue gas type lithium bromide heat pump unit
The air intake of mouth connection condensation heat recoverer, the gas outlet of condensation heat recoverer connect exhaust pipe；
Condensation heat recoverer condensation heat recoverer cold source water supply line connects the water inlet of condensation heat recoverer, condensation heat recoverer
Water outlet by cold source water return pipeline connect flue gas type lithium bromide heat pump unit cold source water return outlet, flue gas type lithium bromide heat pump
The cold source water outlet of unit connects the cold source water supply line；
Flue gas type lithium bromide heat pump unit is separately connected hot water supply loop, hot water supply for hot water outlet and heat supply water inlet
Loop is dried the sludge in sludge conveying device using the heat in flue gas type lithium bromide heat pump unit.
2. sludge dry system according to claim 1, which is characterized in that the hot water supply loop includes hot water disc
Pipe, hot water feeding pipe road, hot water backwater's pipeline, flue gas type lithium bromide heat pump unit pass through hot water feeding pipe road for hot water outlet
The water inlet of hot-water coil pipe is connected, the water outlet of hot-water coil pipe connects flue gas type lithium bromide heat pump unit by hot water backwater's pipeline
Heat supply water inlet.
3. sludge dry system according to claim 2, which is characterized in that including cold source water pipe, the first valve,
Two valves, third valve, the 4th valve and the 5th valve；
Cold source water pipe accesses in the cold source water supply line, and cold source water pipe is equipped with the first valve, cold source water supplying pipe
Second valve and third valve are set on road, and the second valve, third valve are separately positioned on cold source water pipe and cold source supplies water
The front and back of pipe joint；4th valve is set on cold source water return pipeline；It further include cold source by-pass line connection cold source return pipe
Road and cold source water supply line, the cold source by-pass line are equipped with the 5th valve.
4. sludge dry system according to claim 2, which is characterized in that including the 6th valve, the 7th valve, the 8th valve
Door；6th valve is set on the hot water feeding pipe road, the 7th valve is set on hot water backwater's pipeline；It further include hot water bypass
Pipeline is connected to hot water feeding pipe road and hot water backwater's pipeline, and the 8th valve is arranged on the hot water bypass duct.
5. sludge dry system according to claim 2, which is characterized in that further include the 9th valve, combustion gas turbine passes through
9th valve connects flue gas type lithium bromide heat pump unit.
6. sludge dry system according to claim 2, which is characterized in that the hot water pipe dish setting is filled with sludge transmission
It sets and is arranged in sludge drying workshop, the sludge drying workshop includes drying sludge area and heat transfer zone, the drying sludge
Partition is equipped between area and heat transfer zone, the partition is equipped with air outlet and return air inlet, and the hot water pipe dish is arranged in heat transfer zone,
Sludge conveying device is arranged in drying sludge area.
7. sludge dry system according to claim 6, which is characterized in that the sludge drying workshop includes upper layer under
Layer, drying sludge area and heat transfer zone are located at lower layer, and ventilation opening is arranged in upper layer, and drying sludge area is connected to by ventilation opening with upper layer,
Upper layer is connected to by return air inlet with heat transfer zone, and heat transfer zone is connected to by air outlet with drying sludge area.
8. sludge dry system according to claim 7, which is characterized in that air outlet is provided with return air inlet in the partition
Below.
9. sludge dry system according to claim 1, which is characterized in that the sludge conveying device is that network chain transmission is dirty
Mud device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811224378.4A CN109368973A (en) | 2018-10-19 | 2018-10-19 | Sludge dry system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066686A (en) * | 2020-10-09 | 2020-12-11 | 浙江浙能技术研究院有限公司 | Novel condensation heat recovery disc type sludge low-temperature drying system |
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| CN101235973A (en) * | 2008-03-06 | 2008-08-06 | 清华大学 | Water-mixing flue gas condensation heat reclamation absorption type heat pump heat distribution system |
| RU2499211C1 (en) * | 2012-05-23 | 2013-11-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Марийский государственный технический университет | Timber condensation drier with absorption utiliser |
| KR20140134862A (en) * | 2013-05-15 | 2014-11-25 | 지에스건설 주식회사 | Drying sludge apparatus |
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| KR20180013335A (en) * | 2016-07-29 | 2018-02-07 | 주식회사 지산바이오 | Recycling drying apparatus |
| CN209128296U (en) * | 2018-10-19 | 2019-07-19 | 广东申菱环境系统股份有限公司 | Sludge dry system |
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| JPH06146812A (en) * | 1992-11-17 | 1994-05-27 | Nkk Corp | Drier for combustible |
| CN101235973A (en) * | 2008-03-06 | 2008-08-06 | 清华大学 | Water-mixing flue gas condensation heat reclamation absorption type heat pump heat distribution system |
| RU2499211C1 (en) * | 2012-05-23 | 2013-11-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Марийский государственный технический университет | Timber condensation drier with absorption utiliser |
| KR20140134862A (en) * | 2013-05-15 | 2014-11-25 | 지에스건설 주식회사 | Drying sludge apparatus |
| CN105180170A (en) * | 2015-09-30 | 2015-12-23 | 永清环保股份有限公司 | Municipal solid waste coordinative incineration power generation system |
| KR20180013335A (en) * | 2016-07-29 | 2018-02-07 | 주식회사 지산바이오 | Recycling drying apparatus |
| CN209128296U (en) * | 2018-10-19 | 2019-07-19 | 广东申菱环境系统股份有限公司 | Sludge dry system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112066686A (en) * | 2020-10-09 | 2020-12-11 | 浙江浙能技术研究院有限公司 | Novel condensation heat recovery disc type sludge low-temperature drying system |
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