CN107218797A - A kind of drying device and its application - Google Patents
A kind of drying device and its application Download PDFInfo
- Publication number
- CN107218797A CN107218797A CN201710413223.4A CN201710413223A CN107218797A CN 107218797 A CN107218797 A CN 107218797A CN 201710413223 A CN201710413223 A CN 201710413223A CN 107218797 A CN107218797 A CN 107218797A
- Authority
- CN
- China
- Prior art keywords
- air
- regenerator
- introduced machine
- drying
- circulation pump
- 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.)
- Pending
Links
- 238000001035 drying Methods 0.000 title claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000010802 sludge Substances 0.000 claims description 16
- 230000008929 regeneration Effects 0.000 claims description 7
- 238000011069 regeneration method Methods 0.000 claims description 7
- 239000005416 organic matter Substances 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims 1
- 239000002918 waste heat Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000003303 reheating Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 244000039328 opportunistic pathogen Species 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/001—Heating arrangements using waste heat
- F26B23/002—Heating arrangements using waste heat recovered from dryer exhaust gases
- F26B23/005—Heating arrangements using waste heat recovered from dryer exhaust gases using a closed cycle heat pump system ; using a heat pipe system
-
- 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
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (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
The invention discloses a kind of drying device, including the dehumidifying tower being sequentially communicated, first air-introduced machine, regenerator, reheater, drying machine, second air-introduced machine, first air-introduced machine, second air-introduced machine is equipped with air inlet and air outlet, the air inlet of first air-introduced machine is connected with the top of the dehumidifying tower, the air inlet of second air-introduced machine is connected with the top of the drying machine, the air outlet of the top of the regenerator respectively with first air-introduced machine, the air outlet connection of second air-introduced machine, the bottom of the regenerator is connected with the top of the reheater, the bottom of the bottom of the reheater respectively with the drying machine, the bottom connection of the dehumidifying tower.Liquid dehumidifying technology is applied to drying device by the present invention, with many advantages such as Energy Efficiency Ratio height, system safety, small, the environmentally friendly, energy-conservations of floor space.
Description
Technical field
The present invention relates to a kind of device and its application, especially a kind of drying device and its application.
Background technology
With the continuous lifting of China's municipal sewage and Industrial Waste Water Treatments amount and processing requirement, supervene substantial amounts of
Sludge.In sewage disposal process, 30-50% COD has been transferred in sludge, while sludge contains substantial amounts of microorganism and disease
Opportunistic pathogen, therefore, in terms of the whole process of sewage disposal, wastewater treatment facility has only completed half or 2/3 work, and traditional landfill is
Main processing mode can not meet huge demand completely, while being also not suitable for the stabilisation of sludge treatment, minimizing, nothing
Evilization, recycling requirement.Stabilisation, minimizing, the innoxious, recycling of processing disposal to reach sludge are required, primary to appoint
Business is that, by sludge drying, existing desiccation drying equipment is largely also rested in the thinking of heating evaporation drying, with efficiency
The secondary pollutions such as stink are easily produced in low, heating, while there is risk of explosion, therefore is badly in need of introducing new dry technology, promotees
Enter Treatment of Sludge, the upgrading development of sewage disposal.
The content of the invention
Based on this, one kind is provided and removed using liquid it is an object of the invention to overcome above-mentioned the deficiencies in the prior art part
The drying device of wet technology.
To achieve the above object, the technical solution used in the present invention is：A kind of drying device, including removing of being sequentially communicated
Wet tower, the first air-introduced machine, regenerator, reheater, drying machine, the second air-introduced machine, first air-introduced machine, the second air-introduced machine are all provided with
There are air inlet and air outlet, the air inlet of first air-introduced machine is connected with the top of the dehumidifying tower, second air-introduced machine
Air inlet connected with the top of the drying machine, the top of regenerator air outlet respectively with first air-introduced machine,
The air outlet connection of second air-introduced machine, the bottom of the regenerator is connected with the top of the reheater, under the reheater
Bottom, the bottom of the dehumidifying tower of portion respectively with the drying machine are connected.
Liquid dehumidifying technology is introduced in drying device of the present invention, the operation principle of drying device of the present invention is：After dehumidifying
Cold dry air is extracted out by the second air-introduced machine (cold dry-air blast machine) from dehumidifying tower, and by regenerator, (regenerator can be carried out to energy
Reclaim, reduce the loss of heat), into (heat pump) reheater carry out becoming the hot-air of high temperature drying after reheating entering drying
Machine, drying machine is sent into by organic matter to be dried, material or sludge simultaneously, in drying machine, dries hot-air in drying machine
The interior heating and dehumidification completed to sludge, becomes damp-heat air, is extracted out by the first air-introduced machine (damp and hot blower fan) by regenerator, heat pump
After the cooling of reheater evaporator, (heat pump reheater herein is a set of heat pump, according to the requirement of system, by regenerator
Afterwards, cold dry air also needs to further heat reheating and be named as reheater.Specific works are：It is dry and cold after regenerator
Air by heat pump condenser and reheating, and the damp-heat air come out from drying machine after regenerator cools through overheat
The evaporator of pumping system further cools condensation, so as to save the energy to greatest extent) enter after dehumidifying tower dehumidifying, then by second
Air-introduced machine is extracted out, completes a closed circulation, simultaneity factor designs fresh air supply port on drying machine, by the wind for detecting the decorum
Pressure is automatically replenished air.
Drying machine in drying device of the present invention can be fixed batch-type interruption drying machine or company
Continuous formula band drier；Dehumidifying liquid in drying device of the present invention includes but is not limited in the present invention mention calcium chloride, chlorination
The various media suitable for liquid dehumidifying such as lithium, three dry alcohol.
Preferably, the drying device also includes first circulation pump, and the first circulation pump is provided with water inlet and delivery port,
The water inlet of the first circulation pump is connected with the bottom of the dehumidifying tower, the delivery port of the first circulation pump and the dehumidifying
The top connection of tower.The first circulation pump is mainly used in the circulation of dehumidifying liquid in dehumidifying tower.
It is highly preferred that the drying device also includes liquor box and regenerator, the top of the liquor box and described first
The water inlet connection of circulating pump, bottom, the bottom of the regenerator of the bottom of the liquor box respectively with the dehumidifying tower connects
It is logical.Solution after moisture absorption is connected by liquor box with regenerator, and regeneration is completed in regenerator.
It is highly preferred that the drying device also includes second circulation pump, the second circulation pump is provided with water inlet and water outlet
Mouthful, the water inlet of the second circulation pump connects with the bottom of the regenerator, the delivery port of the second circulation pump with it is described
The top connection of regenerator.The second circulation pump is mainly used in the circulation of liquid in regenerator.
Preferably, the regenerator is additionally provided with the 3rd air-introduced machine, and the air inlet of the 3rd air-introduced machine is communicated with air, institute
The delivery port for stating the 3rd air-introduced machine is connected with the bottom of the regenerator.Solution regeneration is that air type is molten in the regenerator
Liquid regenerates, and outside atmosphere enters regenerator by the 3rd air-introduced machine.
Preferably, the regeneration of solution regenerates for boiling type in the regenerator.
It is highly preferred that the thermal source of the regenerator is at least one of solar energy, underground heat, low temperature exhaust heat, heat pump.
Meanwhile, invention additionally discloses a kind of above-mentioned drying device in organic matter drying, dry materials or drying sludge
Using.
Relative to prior art, beneficial effects of the present invention are：
Liquid dehumidifying technology is applied to drying device by the present invention, and the drying device is relative to existing equipment, with efficiency
It is stabilisation, minimizing, the innoxious, money of sludge than many advantages such as high, system safety, small, the environmentally friendly, energy-conservations of floor space
Source creates favorable conditions.
Brief description of the drawings
Fig. 1 is a kind of structural representation of drying device of the present invention；
Wherein, 1, drying machine；2nd, the second air-introduced machine；3rd, regenerator；4th, reheater；5th, the first air-introduced machine；6th, dehumidify tower；7、
First circulation pump；8th, liquor box；9th, the 3rd air-introduced machine；10th, regenerator；11st, second circulation pump.
Embodiment
To better illustrate the object, technical solutions and advantages of the present invention, below in conjunction with the drawings and specific embodiments pair
The present invention is described further.
A kind of embodiment of drying device of the present invention, the structural representation of drying device such as accompanying drawing described in the present embodiment
Shown in 1：
Including passing sequentially through the dehumidifying tower 6 of pipeline communication, the first air-introduced machine 5, regenerator 3, reheater 4, drying machine 1,
Two air-introduced machines 2, the first air-introduced machine 5, the second air-introduced machine 2 are equipped with air inlet and air outlet, and the air inlet of the first air-introduced machine 5 is with removing
The top connection of wet tower 6, the air outlet of the first air-introduced machine 5 connects with the top of regenerator 3, the air inlet of the second air-introduced machine 2 and
The top connection of drying machine 1, the air outlet of the second air-introduced machine 2 is connected with the top of regenerator 3, the bottom of regenerator 3 and reheating
The top connection of device 4, bottom, the bottom for the tower 6 that dehumidifies of the bottom of reheater 4 respectively with drying machine 1 is connected, and drying machine is provided with
Fresh air supply port；
The drying device also includes first circulation pump 7, liquor box 8, regenerator 10, second circulation pump 11, first circulation
Pump 7 is provided with water inlet and delivery port, the water inlet of first circulation pump 7 is connected with the bottom of dehumidifying tower 6, and first circulation pump 7 goes out
The mouth of a river is connected with the top for the tower 6 that dehumidifies；The top of liquor box 8 is connected with the water inlet of first circulation pump 7, the bottom of liquor box 8
Connected respectively with the bottom of tower 6 of dehumidifying, the bottom of regenerator 10；Second circulation pump 11 is provided with water inlet and delivery port, and second follows
The water inlet of ring pump 11 is connected with the bottom of regenerator 10, and the delivery port of second circulation pump 11 is connected with the top of regenerator 10.
The course of work of drying device is in the present embodiment：
Dry organic matter, material or sludge are sent into drying machine 1, the cold dry air after dehumidifying passes through the first air-introduced machine 5
Extracted out from dehumidifying tower 6, energy regenerating is carried out by regenerator 3, high temperature drying is become after carrying out reheating into heat pump reheater 4
Hot-air enters drying machine 1, in drying machine 1, and dry hot-air completes the heating and dehumidification to sludge in drying machine, becomes wet
Hot-air, is extracted out by the second air-introduced machine 2, and heat recovery is carried out by regenerator 3, after the cooling of the evaporator of heat pump reheater 4,
Extracted out into after the dehumidifying dehumidifying of tower 1, then by the first air-introduced machine 5, complete a closed circulation, simultaneity factor design fresh air supplement
Mouthful, by detecting that the blast of the decorum is automatically replenished air.Circulation of the first circulation pump 7 for the liquid that dehumidifies, the solution after moisture absorption
Connected by liquor box 8 with regenerator 10, it is boiling that the regeneration of solution in regeneration, regenerator 10 is completed in regenerator 10
Formula regenerates, and thermal source can be one kind or its any combination in solar energy, underground heat, low temperature exhaust heat, heat pump.
Drying device in the present invention belongs to low temperature drying, has environmental protection, safety etc. many excellent first in sludge application
Gesture.Heat pump is developed rapidly in drying sludge industry at present due to high with Energy Efficiency Ratio.When using single heat pump
When technology is dried, in moisture percentage in sewage sludge in the range of 80% to 40%, the power consumption for often removing 1kg water is about 0.3-0.4KW.But
It is the case using this technology, the power consumption for often removing 1Kg water is about 0.2KW.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than the present invention is protected
The limitation of scope is protected, although being explained in detail with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Understand, technical scheme can be modified or equivalent substitution, without departing from the essence of technical solution of the present invention
And scope.
Claims (8)
1. a kind of drying device, it is characterised in that including the dehumidifying tower being sequentially communicated, the first air-introduced machine, regenerator, reheater,
Drying machine, the second air-introduced machine, first air-introduced machine, the second air-introduced machine are equipped with air inlet and air outlet, first air inducing
The air inlet of machine is connected with the top of the dehumidifying tower, and the air inlet of second air-introduced machine connects with the top of the drying machine
Logical, air outlet, the air outlet of the second air-introduced machine of the top of the regenerator respectively with first air-introduced machine are connected, described time
The bottom of hot device is connected with the top of the reheater, the bottom of reheater bottom respectively with the drying machine, described
The bottom connection of dehumidifying tower.
2. drying device as claimed in claim 1, it is characterised in that also including first circulation pump, the first circulation pump is set
There are water inlet and delivery port, the water inlet of the first circulation pump is connected with the bottom of the dehumidifying tower, the first circulation pump
Delivery port with it is described dehumidifying tower top connect.
3. drying device as claimed in claim 2, it is characterised in that also including liquor box and regenerator, the liquor box
Top is connected with the water inlet of the first circulation pump, the bottom of liquor box bottom respectively with the dehumidifying tower, described
The bottom connection of regenerator.
4. drying device as claimed in claim 3, it is characterised in that also including second circulation pump, the second circulation pump is set
There are water inlet and delivery port, the water inlet of the second circulation pump is connected with the bottom of the regenerator, the second circulation pump
Delivery port connected with the top of the regenerator.
5. the drying device as described in claim 3 or 4, it is characterised in that the regenerator is additionally provided with the 3rd air-introduced machine, described
The air inlet of 3rd air-introduced machine is communicated with air, and the delivery port of the 3rd air-introduced machine is connected with the bottom of the regenerator.
6. drying device as claimed in claim 3, it is characterised in that the regeneration of solution is boiling type in the regenerator
Regeneration.
7. drying device as claimed in claim 6, it is characterised in that the thermal source of the regenerator is solar energy, underground heat, low temperature
At least one of waste heat, heat pump.
8. a kind of drying device as described in any one of claim 1~7 is in organic matter drying, dry materials or drying sludge
Using.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710413223.4A CN107218797A (en) | 2017-06-05 | 2017-06-05 | A kind of drying device and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710413223.4A CN107218797A (en) | 2017-06-05 | 2017-06-05 | A kind of drying device and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107218797A true CN107218797A (en) | 2017-09-29 |
Family
ID=59948019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710413223.4A Pending CN107218797A (en) | 2017-06-05 | 2017-06-05 | A kind of drying device and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107218797A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164120A (en) * | 2018-01-24 | 2018-06-15 | 广州研华环境科技有限公司 | A kind of sludge drier |
| CN108164121A (en) * | 2018-01-24 | 2018-06-15 | 广州研华环境科技有限公司 | A kind of sludge dry system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544868A (en) * | 2003-11-10 | 2004-11-10 | 尹进福 | All-weather solution moisture removing low-temperature rapid drying apparatus |
| CN201244432Y (en) * | 2008-05-19 | 2009-05-27 | 上海理工大学 | Packing tower for eliminating air moisture |
| CN205874188U (en) * | 2016-07-28 | 2017-01-11 | 瑞科际再生能源股份有限公司 | Heat pump dehumidification circulation system |
| CN206902013U (en) * | 2017-06-05 | 2018-01-19 | 广州研华环境科技有限公司 | A kind of drying device |
-
2017
- 2017-06-05 CN CN201710413223.4A patent/CN107218797A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544868A (en) * | 2003-11-10 | 2004-11-10 | 尹进福 | All-weather solution moisture removing low-temperature rapid drying apparatus |
| CN201244432Y (en) * | 2008-05-19 | 2009-05-27 | 上海理工大学 | Packing tower for eliminating air moisture |
| CN205874188U (en) * | 2016-07-28 | 2017-01-11 | 瑞科际再生能源股份有限公司 | Heat pump dehumidification circulation system |
| CN206902013U (en) * | 2017-06-05 | 2018-01-19 | 广州研华环境科技有限公司 | A kind of drying device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164120A (en) * | 2018-01-24 | 2018-06-15 | 广州研华环境科技有限公司 | A kind of sludge drier |
| CN108164121A (en) * | 2018-01-24 | 2018-06-15 | 广州研华环境科技有限公司 | A kind of sludge dry system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170929 |
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