CN107879594A - A kind of energy recovery type temperature adjusting and dehumidifying sludge drier system - Google Patents
A kind of energy recovery type temperature adjusting and dehumidifying sludge drier system Download PDFInfo
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- CN107879594A CN107879594A CN201711380479.6A CN201711380479A CN107879594A CN 107879594 A CN107879594 A CN 107879594A CN 201711380479 A CN201711380479 A CN 201711380479A CN 107879594 A CN107879594 A CN 107879594A
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- guipure
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- sludge
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- 239000010802 sludge Substances 0.000 title claims abstract description 79
- 238000011084 recovery Methods 0.000 title claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 148
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000010801 sewage sludge Substances 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000003507 refrigerant Substances 0.000 claims description 64
- 238000007791 dehumidification Methods 0.000 claims description 44
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 230000035699 permeability Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 21
- 239000007789 gas Substances 0.000 description 9
- 125000004122 cyclic group Chemical group 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
A kind of energy recovery type temperature adjusting and dehumidifying sludge drier system, sewage sludge feed strip-cutter are placed in the top of input and output material transmission case, and sludge is expressed in orifice plate by sewage sludge feed strip-cutter by rotary cutting knife；Guipure is arranged in drying box, and slitting feed arrangement is arranged at one end of guipure, and temperature adjusting and dehumidifying drying device is placed in drying box side, and temperature adjusting and dehumidifying drying device is connected by air outlet with drying box bottom；Two layers of setting of guipure point, first layer guipure and second layer guipure are set according to up to lower leaf, and first layer guipure end bottom is second layer guipure top, and the material of first layer guipure is fallen into breaker in its end, sludge after broken is fallen on second layer guipure top, finally falls into discharging opening.Moisture content can effectively be handled in 80% 65% scopes, do not influence sludge extrusion；Flexible adjustment, screw pump variable frequency adjustment quantity delivered can be passed through；It is good and uniform to spread effect, can adjust the gas permeability of sludge bar；Adapt to the requirement of inhomogeneity sludge extrusion.
Description
Technical field
Patent of the present invention is related to drying device field, specially a kind of energy recovery type temperature adjusting and dehumidifying sludge drier system
System.
Background technology
At present, conventional anhydration system is mainly with convection drying rotary drum technique, multilayer platform stepwise drying process, rotating disc type
Based on drying process, fluid bed drying process.However, belt type sludge is dried because to wet mud strong adaptability, Awaiting Parts are few, make
With long lifespan, the low advantage of drying temperature, receive significant attention, there is good market application foreground；Dehumidifying is done with reference to net belt type
Dry sludge drying technique is belt type sludge drying → kind of new trend, and it has very big advantage in terms of energy saving, the feature of environmental protection, dirty
The wet dry technology of Fender dries leading belt type sludge.
Problems be present in existing sludge drier：（1）High energy consumption：Drying sludge is Net Energy consumption process, and tradition is dirty
Mud drying equipment uses heating, drying hydrofuge mode, and energy utilization rate is low.（2）Security risk be present, drying sludge avoids exploding
Generally use adds nitrogen mode to reduce oxygen content；（3）Not environmentally：A large amount of foul smell are discharged, exhaust treatment system need to be built；Drying plant
Working environment is poor；Drying process heat source uses boiler, also discharges substantial amounts of tail gas, secondary sludge be present；（4）Wet dirt
Mud forming technique is the key link of drying sludge, and existing market technology is orifice plate extrusion technique, but this technology is by impurity（Sand
Stone）Friction loss influence is very big, and sludge bar spreads poor air permeability, and sludge quantity is not easy to adjust, particularly small-sized sludge machine adaptability
Difference.
Therefore, it is necessary to existing drying equipment is improved.
The content of the invention
To overcome above the shortcomings of the prior art, the present invention provides a kind of environmental protection and energy saving and the sludge energy of safety returns
The dryer system of receipts type temperature adjusting and dehumidifying.
The technical solution adopted for the present invention to solve the technical problems is：A kind of energy recovery type temperature adjusting and dehumidifying drying sludge
Machine system, it is characterised in that including sewage sludge feed strip-cutter, input and output material transmission case, the drying box device of at least one layer of guipure,
Breaker, turn the broken transmission case of material and temperature adjusting and dehumidifying drying device；Sewage sludge feed strip-cutter is placed in input and output material transmission case
Sludge is expressed in orifice plate by top, sewage sludge feed strip-cutter by rotary cutting knife, so as to carry out to sludge extrusion, is dropped
On the initial end guipure of one layer of guipure；Guipure is arranged in drying box, and slitting feed arrangement is arranged above one end of guipure,
Drying box side is installed on to guipure, temperature adjusting and dehumidifying drying device for transport after sludge to be dried is cut, temperature adjustment removes
Wet drying device is connected by air outlet with drying box bottom, and is sealed by sealing strip；Two layers of setting of guipure point, first layer
Guipure and second layer guipure are set according to up to lower leaf, and first layer guipure end bottom is second layer guipure top, first layer net
The material of band is fallen into breaker in its end, and the sludge after crushing is fallen on second layer guipure top, finally falls into discharging
Mouthful.
Preferably, it is provided with breaker between first layer guipure end and second layer guipure top.
Preferably, 4 homogenating plates are provided with drying box；1 homogenating plate is arranged at the top of first layer guipure, 1
Homogenating plate is arranged at the lower section of first layer guipure, and 1 homogenating plate is arranged at the top of second layer guipure, and 1 homogenating plate is arranged at
The lower section of second layer guipure.
Preferably, equal wind guipure is arranged on the surface of one layer and two layers stainless (steel) wire band, and is closely pasted with stainless (steel) wire band
Close；Mixed wind space is provided between first layer guipure and second layer guipure, mixed wind space communicates with temperature adjusting and dehumidifying drying device；
Equal wind guipure square opening is 2mm.
Preferably, circulating fan is provided with drying box, makes shape between drying box 25 and temperature adjusting and dehumidifying drying device
Into air circulation system.
Preferably, temperature adjusting and dehumidifying drying device by No. 1 refrigerant dehumidification system and No. 2 refrigerant dehumidification systems, filter,
Filter, cooler, heat regenerator and electric control gear composition；The evaporator and No. 2 refrigerants of wherein No. 1 refrigerant dehumidification system
Dehumidification system evaporator forms two level dehumidifying to contact side by side.
Preferably, No. 1 refrigerant dehumidification system of temperature adjusting and dehumidifying drying device and the condenser of No. 2 refrigerant dehumidification systems
It is arranged apart；The condenser of No. 1 refrigerant dehumidification system is arranged in the bottom of cooler, the condensation of No. 2 refrigerant dehumidification systems
Device arranges the top of cooler, and the return air after filtering after the condenser heating of No. 2 refrigerant dehumidification systems directly by passing through axle
Flow fan is delivered in drying box；The condenser of No. 1 refrigerant dehumidification system is evaporated by heat regenerator elder generation heating and dehumidification
Air is reheated after the low temperature and low humidity air of device, by the bottom that drying box is delivered to without scroll centrifugal fan.
Preferably, the setting of the heat regenerator of temperature adjusting and dehumidifying drying device, hot and humid hot-air and the two level of return air are removed
Wet evaporator air-out carries out heat exchange, is on the one hand lowered into the EAT of dehumidify evaporimeter, on the other hand rise two
The temperature of level dehumidify evaporimeter air-out, and then it is raised through the wind pushing temperature after condenser heating.
Compared to the prior art the present invention, the advantage is that：
（1）The feature of environmental protection：Emission-free discharge, without stench processing system；Whole drying process all can be entered under the conditions of closed environment
OK, gas is not had to be discharged in external environment, will not cause secondary environmental pollution.
（2）Energy saving：Wet-out property ratio is up to 3.5kgH2O/kW.h, relatively conventional sludge drying apparatus（It is coal-fired）It can save
Energy more than 40%；It is more with respect to fuel-firing gas-firing energy-saving；According to night trough-electricity, energy-saving effect becomes apparent from.
（3）Security：Low temperature（40-75 DEG C adjustable）Totally-enclosed drying process, suppress escaping gas volatilization, can transport safely
OK.
（4）Applicability：It can meet that moisture content can turn into the mud cake primary drying of moisture content 80% from 70-80% sludge dryings to contain
Water mud granule below 30%；Using continuous net band drying mode, do not influenceed by the sticky area of sludge, be adapted to all types of sludge to do
Drying system（Including the big sludge of sand content）, few easy workout part, easy care, service life length.
To sum up, sludge slitting feed arrangement sludge is applied widely, can effectively handle moisture content in 80%-65% scopes, fits
Ying Xingqiang, it is applicable compared with major class sludge to amount containing sand grains, for being crushed containing hair or the rotatable shear knife of bar shaped class impurity, not shadow
Ring sludge extrusion；Flow-rate adjustment is flexible, meets to go water to require for different moisture content sludge, can pass through screw pump variable frequency adjustment
Quantity delivered；It is good and uniform to spread effect, can adjust the gas permeability of sludge bar；Directly warp can be adjustable by regulating orifice plate diameter for sludge bar
The size for saving sludge bar diameter adapts to the requirement of inhomogeneity sludge extrusion.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or arrived by the practice solution of the present invention.
Brief description of the drawings
, below will be to embodiment or existing to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in technology description, it should be apparent that, drawings in the following description are only this hair
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the main structure diagram of the dryer system of energy recovery type temperature adjusting and dehumidifying；
Fig. 2 is the left view structural representation of the dryer system of energy recovery type temperature adjusting and dehumidifying；
Fig. 3 is the block combiner and schematic flow sheet of the dryer system of energy recovery type temperature adjusting and dehumidifying；
Description of reference numerals：1st, energy recovery type temperature adjusting and dehumidifying sludge drier；2nd, roughing-efficiency plate filter；3rd, bag type filtering
Device；4th, trim cooler；5th, No. 2 condensers；6th, No. 1 condenser；7th, without scroll centrifugal fan；8th, No. 2 liquid reservoirs；9th, automatically controlled dress
Put；10th, No. 1 liquid reservoir；11st, No. 1 choke valve；12nd, No. 1 gas-liquid separator；13rd, No. 1 compressor；14th, No. 2 compressors；15、1
Number evaporator；16th, No. 2 evaporators；17th, recuperator；18th, axial flow blower；19th, No. 2 gas-liquid separators；20th, No. 2 throttlings
Valve；21st, equal drift net band；22nd, buncher；23rd, chain；24th, barge board；25th, drying box；26th, sealing strip；27 turns of material are broken
Transmission case；28th, No. 1 fender；29th, disintegrating machine；30th, No. 2 mud guards；31st, second layer guipure；32nd, first layer guipure；33rd, go out
Material mouth；34th, input and output material is driven；35th, sprocket wheel；36th, 3 fender；37th, sewage sludge feed strip-cutter；38-41, homogenating plate.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in accompanying drawing
Exemplary embodiment, it being understood, however, that can realize the disclosure without should be limited by embodiments set forth here in a variety of manners
System.Conversely, there is provided these embodiments be for the disclosure can be best understood from, and can be complete by the scope of the present disclosure
It is communicated to those skilled in the art.
In the description of the invention, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear",
"left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", the orientation of " outer " instruction or position relationship are based on shown in accompanying drawing
Orientation or position relationship, be only for ease of the description present invention, rather than instruction or imply that signified device or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
As Figure 1-Figure 2, sludge energy recovery type temperature adjusting and dehumidifying sludge drier system, including sewage sludge feed strip-cutter
37, input and output material transmission case 34, the drying box device 25 of at least one layer of guipure, breaker 29, turn the broken transmission case 27 of material, adjust
Warm dehumidification drying device 1.
Sewage sludge feed strip-cutter 37 is placed in the top of input and output material transmission case 34, and sewage sludge feed strip-cutter will by rotary cutting knife
Sludge is expressed in orifice plate, so as to carry out to sludge extrusion, dropping on the initial end guipure of first layer guipure 32.
Guipure is arranged in drying box 25, and slitting feed arrangement is arranged above one end of guipure 32, for that will wait to do
After dry sludge slitting on transport to guipure 32, temperature adjusting and dehumidifying drying device 1 is installed on the side of drying box 25, and temperature adjusting and dehumidifying is dried
Device 1 is connected by air outlet with the bottom of drying box 25, and is sealed by sealing strip 25.
Two layers of setting of guipure point, first layer guipure 32 and second layer guipure 31 are set according to up to lower leaf, first layer guipure
32 ends bottom are the top of second layer guipure 31, and the material of first layer guipure is fallen into breaker 29 in its end, after crushing
Sludge fall on the top of second layer guipure 31, finally fall into discharging opening 33.
Breaker 29 is provided between the end of first layer guipure 32 and the top of second layer guipure 31, for the dirt to upper strata
Mud bar be dried again on second layer guipure after crushing, to improve drying efficiency.
Homogenating plate 38,39,40,41 is provided with drying box, percent opening designs according to air circulation.Homogenating plate 38 is set
In the top of first layer guipure 32, homogenating plate 39 is arranged at the lower section of first layer guipure 32, and homogenating plate 40 is arranged at second layer net
With 31 top, homogenating plate 41 is arranged at the lower section of second layer guipure 31, for the heat that will come in from temperature adjusting and dehumidifying drying device
Air is evenly distributed.
Equal wind guipure 21 is arranged on the surface of first layer guipure 32 and second layer guipure 31, and is closely pasted with stainless (steel) wire band
Close, evenly distributed for temperature adjusting and dehumidifying drying device 1 to be transported into dry-heat air through pressure fan 7, improve drying efficiency；
Mixed wind space is provided between first layer guipure and second layer guipure, mixed wind space communicates with temperature adjusting and dehumidifying drying device 1, is used for
The sludge on first layer guipure is dried again after air after primary drying is mixed with new air, processing can be effectively improved
Efficiency.Equal wind guipure square opening is 2mm × 2mm.
Circulating fan 18 is provided with drying box 25, makes to be formed between drying box 25 and temperature adjusting and dehumidifying drying device 1
Air circulation system.
Temperature adjusting and dehumidifying drying device 1 is by No. 1 refrigerant dehumidification system and No. 2 refrigerant dehumidification systems, filter 2, filtering
Device 3, cooler 28, heat regenerator 17, electric control gear 9 form, wherein the evaporator 15 of No. 1 refrigerant dehumidification system and No. 2 systems
Cryogen dehumidification system evaporator 16 forms two level dehumidifying, ensures effect on moisture extraction to contact side by side.
No. 1 refrigerant dehumidification system of temperature adjusting and dehumidifying drying device 1 and the condenser of No. 2 refrigerant dehumidification systems separate cloth
Put, the condenser 6 of No. 1 refrigerant dehumidification system is arranged in the bottom of cooler 4, the cloth of condenser 5 of No. 2 refrigerant dehumidification systems
The top of cooler 4 is put, the return air after filtering passes through axle stream after directly being heated by the condenser 5 of No. 2 refrigerant dehumidification systems
Blower fan is delivered in drying box 25.The condenser 6 of No. 1 refrigerant dehumidification system is steamed by 17 first heating and dehumidification of heat regenerator
Air is reheated after sending out the low temperature and low humidity air of device, by the bottom that drying box 25 is delivered to without scroll centrifugal fan 7.By dividing
The condenser for opening No. 1 refrigerant dehumidification system of arrangement and No. 2 refrigerant dehumidification systems reaches the purpose for reducing energy consumption.
The setting of the heat regenerator 17 of temperature adjusting and dehumidifying drying device 1, be advantageous to improve wet-out property than SMER values, return air
Hot and humid hot-air and the evaporator air-out of two level dehumidifying carry out heat exchange, are on the one hand lowered into entering for dehumidify evaporimeter
Air temperature, effect on moisture extraction is improved, on the other hand raise the temperature of two level dehumidify evaporimeter air-out, be also raised through condenser 5 and add
Wind pushing temperature after heat.
The setting of the cooler 4 of temperature adjusting and dehumidifying drying device 1, the temperature value in drying box 25 is on the one hand can adjust, separately
On the one hand, by the cooperation of cooler 4 and heat regenerator 17, wet-out property is improved than SMER values, allows temperature adjusting and dehumidifying drying device 1
Energy saving, reliability, system dehumidification performance ratio greatly improve.
The setting of leaf filter and bag filter in temperature adjusting and dehumidifying drying device 1 so that by condenser 5 and cold
But the air of device 4, heat regenerator 17 and two-stage steaming device 15,16 is cleaner, is not easy to block because of return air dirt, improves system
Operational reliability and operational effect.
Energy recovery type temperature adjusting and dehumidifying sludge drier system by input and output material transmission case 34, drying box device 25, turn
The broken transmission case 27 of material, the modular combination of temperature adjusting and dehumidifying drying device 1, facilitate the matching application of various sludge production capacities.
Embodiment
Operation principle as depicted in figs. 1 and 2 is as follows：
1. material flow：
Sewage sludge feed → sewage sludge feed strip-cutter 37 → first layer guipure 32 → sludge bar 29 → second layer of breaker guipure →
Discharging opening（Conveyer entrance）.
2. cyclic drying flow
2.1 cyclic drying passage A：Drying box 25（Air outlet）2 → bag filter of → leaf filter, 3 → No. 2 condensers 5
18 → drying box of → circulating fan mixes wind space → homogenating plate → 32 → homogenating plate of first layer guipure → drying box 25（Air-out
Mouthful）.
2.2 circulating dehumidification dry channel B：Drying box 25（Air outlet）2 → bag filter of → leaf filter 3 → tune
17 → No. 1 condensers 6 of the warm evaporator 16 → 1 of 4 → heat regenerator of cooler 17 → 2 15 → heat regenerator of evaporator → without whirlpool
31 → homogenating plate of the equal wind guipure of shell 7 → second layer of centrifugal blower → drying box mix wind space → homogenating plate → first layer guipure 32 →
Homogenating plate → drying box 25（Air outlet）.
As Figure 1-Figure 2, it includes refrigerant flow circuit and dried medium flow.
3. dried medium flow includes：
3.1 cyclic drying passage A：Drying box 25（Air outlet）, leaf filter 2,3, No. 2 condensers 5 of bag filter, follow
Ring blower fan 18, drying box mix wind space, homogenating plate, first layer guipure 32, homogenating plate, drying box 25（Air outlet）.
Drying box 25（Air outlet）By air channel with the board-like mistake in energy recovery type temperature adjusting and dehumidifying sludge drier
Filter 2 and bag filter 3 are connected, and leaf filter 2 and bag filter 3 are connected by air channel with No. 2 condensers 5, and 2
Number condenser 5 is connected by air channel with circulating fan 18, and circulating fan 18 mixes wind space with drying box by air channel and is connected,
Drying box mixes wind space and is connected by air channel with homogenating plate and first layer guipure 32, and first layer guipure 32 passes through air channel and drying
Casing 25（Air outlet）It is connected, so as to realize that cyclic drying passage A dried medium circulates.
3.2 circulating dehumidification dry channel B：Drying box 25（Air outlet）, leaf filter 2, bag filter 3, temperature adjustment
Cooler 4, the evaporator 16,1 of heat regenerator 17,2 evaporator 15,17, No. 1 condensers 6 of heat regenerator, without volute centrifuge wind
The equal wind guipure 31 of machine 7, the second layer, homogenating plate, drying box mix wind space, homogenating plate, first layer guipure 32, homogenating plate, drying box
Body 25（Air outlet）.
Drying box 25（Air outlet）By air channel with the board-like mistake in energy recovery type temperature adjusting and dehumidifying sludge drier
Filter 2 and bag filter 3 are connected, and leaf filter 2 and bag filter 3 are connected by air channel with trim cooler 4,
Trim cooler 4 is connected by air channel with heat regenerator 17, and heat regenerator 17 is connected by air channel with No. 2 evaporators 16, and 2
Number evaporator 16 is connected by air channel with No. 1 evaporator 15, and No. 1 evaporator 15 is connected by air channel with heat regenerator 17,
Heat regenerator 17 is connected by air channel with No. 1 condenser 6, and No. 1 condenser 6 is connected by air channel with without scroll centrifugal fan 7
Connect, no scroll centrifugal fan 7 is connected by air channel with the equal wind guipure 31 of the second layer, the equal wind guipure 31 of the second layer by air channel with
Homogenating plate, drying box mix wind space, homogenating plate is connected, and drying box mixes wind space and passes through air channel and homogenating plate and first layer guipure
32 are connected, and first layer guipure 32 passes through air channel and drying box 25（Air outlet）It is connected, so as to realize cyclic drying passage B
Dried medium circulation.
4. the course of work of dried medium flow is as follows：Drying box 25（Air outlet）Damp-heat air is delivered to by energy by air channel
Reclaiming type temperature adjusting and dehumidifying sludge drier is measured, point two paths are dried after leaf filter 2, bag filter 3 filter
With the work that dehumidifies.
4.1 cyclic drying passage A：Drying box 25（Air outlet）It is dirty with entering energy recovery type temperature adjusting and dehumidifying by air channel
After leaf filter 2 and bag filter 3 in mud drying machine filter, No. 2 condensers 5 are entered by air channel, entered by air channel
Enter circulating fan 18, entering drying box by air channel mixes wind space, enters homogenating plate and first layer guipure 32 by air channel, passes through
Air channel enters drying box 25（Air outlet）, so as to realize that cyclic drying passage A dried medium circulates.
4.2 circulating dehumidification dry channel B：Drying box 25（Air outlet）Energy recovery type temperature adjusting and dehumidifying is entered by air channel
Leaf filter 2 and bag filter 3 in sludge drier, trim cooler 4 is entered by air channel, heat is entered by air channel
Recover 17, enters No. 2 evaporators 16 by air channel, enters No. 1 evaporator 15 by air channel, enters heat regenerator by air channel
17, No. 1 condenser 6 is entered by air channel, is entered by air channel without scroll centrifugal fan 7, the equal wind of the second layer is entered by air channel
Guipure 31, the mixed wind space of homogenating plate, drying box, homogenating plate are entered by air channel, homogenating plate and first layer net are entered by air channel
Band 32, drying box 25 is entered by air channel（Air outlet）, so as to realize that cyclic drying passage B dried medium circulates.
5. circulating dehumidification dry channel flow：Filter 2,3 → temperature adjusting and dehumidifying drying device → 4 → heat regenerator of cooler
17 → No. 2 evaporator → No. 1 evaporators → condenser of heat regenerator 17 → 1 → without scroll centrifugal fan 7 → second layer guipure
→ homogenating plate → mixed wind space → homogenating plate → first layer guipure → homogenating plate → filter 2,3.
No. 5.11 refrigerant desiccant cooling system flows：No. 1 liquid reservoir 10 → 1 of condenser 6 → 1 of compressor 13 → 1
Number throttling arrangement 11（Heating power expansion valve or electric expansion valve）→ No. 1 compressor of gas-liquid separator 12 → 1 of evaporator 15 → 1
13。
The equipment of refrigerant flow circuit includes：No. 1 10, No. 1 throttling arrangements of reservoir of condenser 6,1 of compressor 13,1
11（Heating power expansion valve or electric expansion valve）, No. 1 compressor 13 of gas-liquid separator 12,1 of evaporator 15,1.No. 1 compressor
13 are connected by refrigerant tubing with No. 1 condenser 6, and No. 1 condenser 6 is connected by refrigerant tubing with No. 1 high pressure flow container 10,
No. 1 reservoir 10 passes through refrigerant tubing and No. 1 throttling arrangement 11（Heating power expansion valve or electric expansion valve）Connection, No. 1 throttling
Device 11（Heating power expansion valve or electric expansion valve）It is connected by refrigerant tubing with No. 1 evaporator 15, No. 1 evaporator 15 passes through
Refrigerant tubing is connected with No. 1 gas-liquid separator 12, and No. 1 gas-liquid separator 12 is connected by refrigerant tubing and No. 1 compressor 13
Connect, form kind of refrigeration cycle.
No. 5.22 refrigerant desiccant cooling system flows：No. 2 liquid reservoirs 8 → 2 of condenser 5 → 2 of compressor 14 → 2
Throttling arrangement 20（Heating power expansion valve or electric expansion valve）→ No. 2 compressors of gas-liquid separator 19 → 2 of evaporator 16 → 2
14。
The equipment of refrigerant flow circuit includes：No. 28, No. 2 throttling arrangements of reservoir of condenser 5,2 of compressor 14,2
20（Heating power expansion valve or electric expansion valve）, No. 2 compressors 14 of gas-liquid separator 19,2 of evaporator 16,2.No. 2 compressors
14 are connected by refrigerant tubing with No. 2 condensers 5, and No. 2 condensers 5 are connected by refrigerant tubing with No. 2 high pressure flow containers 8, and 2
Number reservoir 8 passes through refrigerant tubing and No. 2 throttling arrangements 20（Heating power expansion valve or electric expansion valve）Connection, No. 2 throttling dresses
Put 20（Heating power expansion valve or electric expansion valve）It is connected by refrigerant tubing with No. 2 evaporators 16, No. 2 evaporators 16 pass through system
Cryogen pipeline is connected with No. 2 gas-liquid separators 19, and No. 2 gas-liquid separators 19 are connected by refrigerant tubing with No. 2 compressors 14,
Form kind of refrigeration cycle.
The specific work process of No. 5.31 refrigerant flow circuits and No. 2 refrigerant flow circuits is as follows：Compressor is by HTHP mistake
Heated gaseous refrigerant squeezes into condenser, and refrigerant gas becomes saturation or subcooled liquid, and low pressure is formed after reservoir, expansion valve
Air-liquid mixture refrigerant, gas-liquid separator is entered after evaporator, form low-temp low-pressure overheated gas refrigerant, most pass through afterwards
HTHP overheated gas refrigerant, so circulation are formed after compressor compresses, reaches the effect of heat exchange refrigerated dehumidification.
No. 5.41 refrigerant flow circuits and No. 2 refrigerant flow circuit auxiliary equipment selections are as follows：No. 1 compressor 13 and No. 2 compressors
14 can use vortex compressor, piston compressor, screw compressor；It is preferential using vortex for small unit
Formula compressor.No. 1 reservoir 10 and No. 2 reservoirs 8 can use high-pressure reservoir.No. 1 throttling arrangement and No. 2 throttling arrangements can be adopted
With heating power or electric expansion valve, electric expansion valve should preferentially typically be used according to different refrigerant type selectings, high temperature mix refrigerant.
The purpose of No. 1 gas-liquid separator and No. 2 gas-liquid separators is to prevent compressor from entering gas carrying liquid, causes liquid hammer and damages compressor.
Refrigerant tubing preferentially uses high-quality copper tube.Refrigerant can be inorganic compound, fluoride pure refrigerant, hydrocarbon or mixed
Refrigerant is closed, is selected according to temperature requirements, temperature is less than 55 DEG C, preferentially selects R410A refrigerants；Temperature is less than 80 DEG C, selects
R134a;Temperature is higher than 85 DEG C, from special high temperature mix refrigerant.
As Figure 1-Figure 2, refrigerant flow circuit and dried medium flow setting have electric control gear 9, with monitoring work process
In each equipment running status.May be provided with electric control gear 9 dry indoor temperature, humidity, outlet wind-warm syndrome, power supply instruction,
Compressor operating, fan operation, accessory fan operation, instruction set operation, stop button, and blower fan is manual, automatic button failure
Instruction and reset parameter are shown.In electric control gear 9 can be set include compressor, blower fan heavy-current control device and dehumidifying, refrigeration,
Heating, Ventilation Control functional module.
As Figure 1-Figure 2, to ensure that drying medium is uniformly distributed with drying in drying baker, in first layer guipure and second
Equipartition device is designed between layer guipure, is easy to dried medium to be exchanged with the sufficient heat mass-and heat-transfer of dried material.
As Figure 1-Figure 2, the guipure in drying baker has buncher driving, according to the water capacity of material drying
Situation adjusts the speed of service of guipure, ensures that special material with the operation on different drying curves, realizes efficient drying.
As Figure 1-Figure 2, energy recovery type temperature adjusting and dehumidifying sludge drier system uses twin-stage temperature adjusting and dehumidifying pattern, entirely
Closed dehumidification mode, operating cost is saved, wet-out property ratio is up to 1：3.5kg.H2O/kW.h.The energy is used as using electricity, nothing is appointed
What waste gas waste heat discharge, meets environmental requirement.
As Figure 1-Figure 2, energy recovery type temperature adjusting and dehumidifying sludge drier system combination temperature adjusting and dehumidifying drying machine and band
Formula operation principle, two-step heating air circulating system arranged apart, fan energy consumption is reduced, air duct radiation is uniform, wind system circulation resistance
Power is small.Using continuous net band drying mode, it is adapted to all types of continuous drying systems of sludge（Including the big sludge of sand content）, use the longevity
Life length；The mud cake primary drying of moisture content 80% can be turned into aqueous less than 30% mud granule.Technology is cut using sludge, can be expired
Sufficient moisture content is evenly arranged in heating and dehumidification on guipure from 70-80% sludge extrusions；Using low temperature（40-75℃）Totally-enclosed drying
Technique, emission-free discharge, without stench processing system；Whole drying process can be carried out all under the conditions of closed environment, not had
Gas is discharged in external environment, will not cause secondary environmental pollution.
As Figure 1-Figure 2, system operation safety, no hidden peril of explosion；Guipure transfer rate uses VFC, and sludge goes out
Expect that moisture content is adjustable（10%→30%）, meet all types of technological requirements.Removed using the dry case energy-saving design structure of case and multistage temperature adjustment
Wet dehumidifying technology, can save energy more than 40%；
As Figure 1-Figure 2, using module unit design, it can fully meet that band drier module requires, on-site consolidation is simple.
The number of modules of operation can be adjusted according to the change of yield and the change of material variety, reaches energy-conservation purpose.Using layered circulation wind
System（Design one, two layer of mixed wind space）, according to sludge, later stage rate of water loss is different before it is dried, and the early stage of drying slitting shaping needs
The quick dehumidification of Wind Volume is wanted, the later stage of drying demand air quantity is small, meets material in different layers guipure wind speed requirement, improvement driving band type
The shortcomings that drying machine wind system designs.
As Figure 1-Figure 2, can be according to sludge cake drying property, using double-deck or three layers or Multi-layer design；Using thing
Expect that moving direction designs with removal moisture drying air inversion, improve temperature adjusting and dehumidifying and dry return air operating mode, improve dehumidifying heat pump dehumidifying
Performance ratio.In practical operation, sludge is delivered to sludge cutting machine after plate and frame filter press press filtration, by mud cake conveyer, by dirt
Mud is cut into strip and is dispersed on the guipure in drying baker, by being dried in the drying machine of energy recovery type temperature adjusting and dehumidifying, Ran Houyou
Spiral discharging machine be delivered to ribbon conveyer upload transport to outward transport in-car transport.
Although the various embodiments described above are described, those skilled in the art once learn substantially creative
Concept, then other change and modification can be made to these embodiments, so the foregoing is only embodiments of the invention, not
Therefore the scope of patent protection of the present invention, every effect structure made using description of the invention and accompanying drawing content or effect stream are limited
Cheng Bianhuan, or other related technical areas are directly or indirectly used in, similarly it is included in the scope of patent protection of the present invention
Within.
Claims (8)
1. a kind of energy recovery type temperature adjusting and dehumidifying sludge drier system, it is characterised in that including sewage sludge feed strip-cutter（37）,
Input and output material transmission case（34）, at least one layer of guipure drying box device（25）, breaker（29）, turn the broken transmission case of material
（27）And temperature adjusting and dehumidifying drying device（1）；
Sewage sludge feed strip-cutter（37）It is placed in input and output material transmission case（34）Top, sewage sludge feed strip-cutter pass through rotary cutting knife will
Sludge is expressed in orifice plate, so as to carry out, to sludge extrusion, dropping in first layer guipure（32）Initial end guipure on；
Guipure is arranged at drying box（25）Interior, slitting feed arrangement is arranged at guipure（32）One end above, for that will wait to do
Transported after dry sludge slitting to guipure（32）On, temperature adjusting and dehumidifying drying device（1）It is installed on drying box（25）Side, temperature adjustment remove
Wet drying device（1）Pass through air outlet and drying box（25）Bottom connects, and passes through sealing strip（25）Sealing；
Two layers of setting of guipure point, first layer guipure（32）With second layer guipure（31）Set according to up to lower leaf, first layer guipure
（32）End bottom is second layer guipure（31）Top, the material of first layer guipure fall into breaker in its end（29）In,
Sludge after broken falls into second layer guipure（31）On top, discharging opening is finally fallen into（33）.
2. energy recovery type temperature adjusting and dehumidifying sludge drier system according to claim 1, it is characterised in that first layer net
Band（32）End and second layer guipure（31）Breaker is provided between top（29）.
3. energy recovery type temperature adjusting and dehumidifying sludge drier system according to claim 1, it is characterised in that drying box
Inside it is provided with 4 homogenating plates（38）-（41）；Homogenating plate（38）It is arranged at first layer guipure（32）Top, homogenating plate（39）If
It is placed in first layer guipure（32）Lower section, homogenating plate（40）It is arranged at second layer guipure（31）Top, homogenating plate（41）Set
In second layer guipure（31）Lower section.
4. energy recovery type temperature adjusting and dehumidifying sludge drier system according to claim 1, it is characterised in that equal wind guipure
（21）The surface of one layer and two layers stainless (steel) wire band is arranged on, and is brought into close contact with stainless (steel) wire band；In first layer guipure and
Mixed wind space is provided between two layers of guipure, mixes wind space and temperature adjusting and dehumidifying drying device（1）Communicate；Equal wind guipure square opening is
2mm。
5. energy recovery type temperature adjusting and dehumidifying sludge drier system according to claim 1, it is characterised in that drying box
（25）On be provided with circulating fan（18）, make drying box 25 and temperature adjusting and dehumidifying drying device（1）Between form air circulation system
System.
6. energy recovery type temperature adjusting and dehumidifying sludge drier system according to claim 1, it is characterised in that temperature adjusting and dehumidifying
Drying device（1）By No. 1 refrigerant dehumidification system and No. 2 refrigerant dehumidification systems, filters（2）, filter（3）, cooler
（28）, heat regenerator（17）And electric control gear（9）Composition；The evaporator of wherein No. 1 refrigerant dehumidification system（15）And No. 2 refrigeration
Agent dehumidification system evaporator（16）To contact side by side, two level dehumidifying is formed.
7. energy recovery type temperature adjusting and dehumidifying sludge drier system according to claim 1, it is characterised in that temperature adjusting and dehumidifying
Drying device（1）No. 1 refrigerant dehumidification system and No. 2 refrigerant dehumidification systems condenser it is arranged apart；No. 1 refrigerant removes
The condenser of wet system（6）It is arranged in cooler（4）Bottom, the condenser of No. 2 refrigerant dehumidification systems（5）Arrange cooler
（4）Top, the return air after filtering directly passes through the condenser of No. 2 refrigerant dehumidification systems（5）Pass through axial flow blower after heating
Deliver to drying box（25）In；The condenser of No. 1 refrigerant dehumidification system（6）It is then to pass through heat regenerator（17）First heating and dehumidification
Air is reheated after the low temperature and low humidity air of evaporator, by without scroll centrifugal fan（7）Deliver to drying box（25）Bottom.
8. energy recovery type temperature adjusting and dehumidifying sludge drier system according to claim 1, it is characterised in that temperature adjusting and dehumidifying
Drying device（1）Heat regenerator（17）Setting, the evaporator air-out that the hot and humid hot-air of return air dehumidifies with two level enters
Row heat exchange, the EAT of dehumidify evaporimeter is on the one hand lowered into, on the other hand raises two level dehumidify evaporimeter air-out
Temperature, and then be raised through condenser（5）Wind pushing temperature after heating.
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| CN108679997A (en) * | 2018-04-23 | 2018-10-19 | 广州晟启能源设备有限公司 | Return air circulating-heating drying device |
| CN108679996A (en) * | 2018-04-23 | 2018-10-19 | 广州晟启能源设备有限公司 | Closed heat pump condensing units drying system |
| CN108800876A (en) * | 2018-04-23 | 2018-11-13 | 广州晟启能源设备有限公司 | Equal air holes plate and drying machine |
| CN110015832A (en) * | 2019-04-02 | 2019-07-16 | 中山市爱美泰电器有限公司 | A kind of sludge drying system based on heat pump techniques |
| CN110372172A (en) * | 2019-08-19 | 2019-10-25 | 环能科技股份有限公司 | A kind of low temperature drying equipment for high-moisture percentage, high-viscosity sludge |
| CN111186979A (en) * | 2018-11-14 | 2020-05-22 | 光大水务科技发展（南京）有限公司 | Sludge drying system and sludge treatment equipment |
| CN111186980A (en) * | 2018-11-14 | 2020-05-22 | 徐州市市政设计院有限公司 | Sludge drying device and sludge treatment equipment |
| CN113185077A (en) * | 2020-05-12 | 2021-07-30 | 广东吉康环境系统科技有限公司 | Low-temperature sludge drying device for discharging, cooling and heat recovery and control method thereof |
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| CN108679997A (en) * | 2018-04-23 | 2018-10-19 | 广州晟启能源设备有限公司 | Return air circulating-heating drying device |
| CN108679996A (en) * | 2018-04-23 | 2018-10-19 | 广州晟启能源设备有限公司 | Closed heat pump condensing units drying system |
| CN108800876A (en) * | 2018-04-23 | 2018-11-13 | 广州晟启能源设备有限公司 | Equal air holes plate and drying machine |
| CN108679996B (en) * | 2018-04-23 | 2024-05-14 | 广州晟启能源设备有限公司 | Closed heat pump condensation heat recovery drying system |
| CN111186979A (en) * | 2018-11-14 | 2020-05-22 | 光大水务科技发展（南京）有限公司 | Sludge drying system and sludge treatment equipment |
| CN111186980A (en) * | 2018-11-14 | 2020-05-22 | 徐州市市政设计院有限公司 | Sludge drying device and sludge treatment equipment |
| CN110015832A (en) * | 2019-04-02 | 2019-07-16 | 中山市爱美泰电器有限公司 | A kind of sludge drying system based on heat pump techniques |
| CN110372172A (en) * | 2019-08-19 | 2019-10-25 | 环能科技股份有限公司 | A kind of low temperature drying equipment for high-moisture percentage, high-viscosity sludge |
| CN113185077A (en) * | 2020-05-12 | 2021-07-30 | 广东吉康环境系统科技有限公司 | Low-temperature sludge drying device for discharging, cooling and heat recovery and control method thereof |
| WO2021227697A1 (en) * | 2020-05-12 | 2021-11-18 | 广东吉康环境系统科技有限公司 | Low-temperature drying device for cooling discharge sludge and recovering heat from sludge, and control method thereof |
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