CN108503186A - A kind of sludge Analysis of Heat Pump Drying System - Google Patents
A kind of sludge Analysis of Heat Pump Drying System Download PDFInfo
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- CN108503186A CN108503186A CN201810603180.0A CN201810603180A CN108503186A CN 108503186 A CN108503186 A CN 108503186A CN 201810603180 A CN201810603180 A CN 201810603180A CN 108503186 A CN108503186 A CN 108503186A
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- sludge
- heat
- heat pump
- drying system
- analysis
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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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to a kind of sludge Analysis of Heat Pump Drying System, the sludge Analysis of Heat Pump Drying System includes heat insulation plate house, and the heat insulation plate house is provided with the solar energy heat conducting circulatory system, hot air circulating system and sludge circulation system.Sludge Analysis of Heat Pump Drying System provided by the invention makes dry-heat air be recycled in heat insulation plate house, heat convection in gap between sludge conveyer belt, moisture in sludge is brought, board house is discharged by condensate draining pipe to evaporator coil, it is dry to achieve the purpose that.The present invention realizes the drying of sludge using closed loop dehumanization method instead of traditional open loop method of evaporating, unitary design installs simple, performance stabilization, sludge is dried in the heat that comprehensive utilization solar energy, heat pump and residual-heat exchanger generate, the energy consumption for greatly reducing drying sludge process, has saved the energy.
Description
Technical field
The present invention relates to drying sludge fields, and in particular, to a kind of sludge Analysis of Heat Pump Drying System.
Background technology
Different processes will produce different types of waste material in paper making process, wherein paper mill sludge is paper-making process
The end product of wastewater treatment, main component are the dust and paper pulp that can not be detached, felt fiber and filler.Except containing short
Outside fibrous matter, organic matter and nitrogen, phosphorus, chlorine, heavy metal, parasitic ovum and pathogenic bacteria etc. are detrimental to health also containing there are many
Ingredient, it is necessary to properly be disposed.Conventional treatment method is using landfill and to burn, and sludge is handled with land-fill method, in sludge
Ink, pigment, chemical agent etc. easily permeated the ground by stratum, to the very harmful of underground water source, once by underground water dirt
Dye, will lean on clear-cutting forestland that will need the time of last 100 years.
Burning method can realize the peculiar advantage of innoxious, minimizing and recycling increasingly by the weight of people due to it
Depending on.Before paper mill sludge directly burn, in order to avoid heat waste, moisture percentage in sewage sludge need to be reduced to 39% or less（Sludge
75 or more mass dryness fraction）, but because drying cost Gao Erwei is greatly developed.
Therefore, it is necessary to design a kind of sludge Analysis of Heat Pump Drying System at low cost, efficient.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of sludge Analysis of Heat Pump Drying System, the present invention is logical
The mixing hot wind from solar heat-exchange coil pipe, condenser coil and residual-heat exchanger is crossed to follow the sludge in heat insulation plate house
Ring heats.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of sludge Analysis of Heat Pump Drying System, the sludge Analysis of Heat Pump Drying System includes heat insulation plate house, and the heat insulation plate house is provided with
The solar energy heat conducting circulatory system, hot air circulating system and sludge circulation system；
The solar energy heat conducting circulatory system includes the solar heat-collection plate being set to outside heat insulation plate house, the first VERTICAL TUBE, second
VERTICAL TUBE, horizontal tube and solar heat-exchange coil pipe, the solar heat-collection plate and solar heat-exchange coil pipe by the first VERTICAL TUBE,
Second VERTICAL TUBE, horizontal tube are connected；
The hot air circulating system includes the drying heat pump main frame being set in heat insulation plate house, in the dry heat pump main frame successively
It is provided with room temperature cooling water coil, evaporator coil, normal temperature circulation water coil, condenser coil and residual-heat exchanger, the steaming
Hair device coil pipe is connected with condenser coil, and compressor is respectively arranged in two side ducts that are connected of the two and throttling fills
It sets, condensate draining pipe is additionally provided on the evaporator coil；It is provided in the dry heat pump main frame for making damp and hot wind
Into the damp and hot wind inlet of room temperature cooling water coil and for making dry-heat air blow to the hot-blast outlet of sludge；The solar energy changes
Hot coil is set in dry heat pump main frame, and is set between normal temperature circulation water coil and condenser coil, or is set to remaining
After heat exchanger sequence；
The sludge circulation system includes the feed inlet being set on heat insulation plate house, discharge port and the dirt being set in heat insulation plate house
Mud conveyer belt and electronic runner, the feed inlet, sludge conveyer belt and discharge port are sequentially connected, the electronic driven by rotating wheel sludge
Conveyer belt transmits sludge.
Heat-conducting medium in the solar energy heat conducting circulatory system absorbs solar energy in the solar heat-collection plate outside heat insulation plate house
Afterwards, by the first VERTICAL TUBE of heat insulation plate house medial surface to flowing downward into solar heat-exchange coil pipe, the heat conduction after heat exchange is situated between
Matter continues flowing and flows up into solar heat-collection plate by the second VERTICAL TUBE of another medial surface of heat insulation plate house and continue to absorb heat,
Form circulation loop.Wherein, the first VERTICAL TUBE, the second VERTICAL TUBE and horizontal tube can not need stringent heat-insulating property, because
The heat dissipation capacity of pipeline is present on the inside of heat insulation plate house, can carry out auxiliary heating to the sludge in heat insulation plate house.
Damp and hot wind in hot air circulating system enters heat pump drying host by damp and hot wind inlet, first cools down water pond in room temperature
It is cooled into clammy wind in pipe, then passes through evaporator coil, the moisture condensation in clammy wind, condensed water is expelled directly out thermal insulation board
Room flows through normal temperature circulation water coil by the cold wind after evaporator coil and is preheated, subsequently into the sun with sewage formal layout
Energy heat exchange coil is heated, and is entered back into the condenser coil of heat pump main frame and is heated, and is finally entered residual-heat exchanger and is added again
Heat forms dry-heat air, is sent between sludge conveyer belt by air blower and sludge is dried.In the present invention, solar energy changes
Hot coil can also be arranged after heat pump main frame, and hot wind is introduced into the condenser coil of heat pump main frame and heats, and enter back into remaining
Heat exchanger is heated, and solar heat-exchange coil pipe is finally entered.The order of placement of heating device can according to waste heat heat source temperature, too
The conditions such as heat-conducting medium temperature, heat pump power are adjusted in positive energy collecting plate.
After system run all right, gas channel convection current heat transfer of the hot wind in heat insulation plate house between sludge conveyer belt is formed
Steady air flow tissue eventually passes back to the damp and hot wind inlet of dry heat pump main frame, and hot wind flows in heat insulation plate house always, is closed loop
Dehumidification mode, without leaking, dust will not be scattered to the external world, avoid causing secondary pollution to ambient enviroment, meet hygienic requirements for closing.
Hot wind passes through heating for multiple times, can reach higher temperature, has preferable drying sludge effect.
Wherein, the heat source of residual-heat exchanger can be the industrial waste heats such as high-temperature flue gas or waste water and gas waste heat.
Preferably, the solar heat-collection plate is set to the top of heat insulation plate house.
Preferably, it is provided with circulating pump on the horizontal tube of the solar energy heat conducting circulatory system.
Preferably, it is provided with strainer at the damp and hot wind inlet.
Preferably, the feed inlet is provided with charging preheating apparatus.
Preferably, the discharge port is provided with discharging heat reclamation device.
When sewage sludge feed, feed sludge is preheated using charging preheating apparatus, is returned using discharging heat when discharging
Receiving apparatus carries out heat recovery to high temperature sludge.
Preferably, the discharge outlet is additionally provided with discharge bucket.
Preferably, the hot air circulating system further includes the drum for hot wind to be blown to sludge being set at hot-blast outlet
Wind turbine.
Preferably, the sludge conveyer belt is to be obliquely installed.
Preferably, the inclined angle is 10~20 °.
Preferably, the sludge conveyer belt is multilayer crawler belt pipeline organization.Sludge is fed by heat insulation plate house top, more
In heat insulation plate house bottom discharge after layer cycle.
In the present invention, control system, temperature-detecting device and humidity inspection are provided in the sludge Analysis of Heat Pump Drying System
Device is surveyed, the control system controls system by the data of temperature-detecting device and humidity detector, makes air blast
The dry-heat air temperature and humidity in machine exit, and the damp and hot air temperature of the damp and hot wind inlet of dry heat pump main frame and humidity dimension
It holds in suitable numberical range.
Preferably, the dry-heat air temperature at the blower export is 60~70 DEG C, humidity 10%RH, described damp and hot
The damp and hot air temperature of wind inlet is 50 DEG C, humidity 80%RH.
Compared with prior art, the present invention has the advantages that：
（1）The present invention realizes the drying of sludge using closed loop dehumanization method instead of traditional open loop method of evaporating, using closed loop,
Low temperature, dehumidifying mode, without leaking, dust will not be scattered to the external world, avoid causing secondary pollution, satisfaction to defend ambient enviroment for closing
It is raw to require；
（2）Sludge Analysis of Heat Pump Drying System provided by the invention designs for integral type, and installation is simple, performance is stablized, system effectiveness with
Outside climatic relationship is little, can guarantee drying effect under any area, any weather conditions；
（3）The present invention comprehensively utilizes the heat that solar energy, heat pump, residual-heat exchanger generate and sludge is dried, and substantially reduces
The energy consumption of drying sludge process, has saved the energy.
Description of the drawings
Fig. 1 is the structural schematic diagram for the sludge Analysis of Heat Pump Drying System that the embodiment of the present invention 1 provides.
Specific implementation mode
To enable the purpose of the present invention, feature, advantage more apparent and understandable, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that reality disclosed below
It is only a part of the embodiment of the present invention to apply example, and not all embodiment.Based on the embodiments of the present invention, this field is common
All other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
Fig. 1 is the structural schematic diagram of sludge Analysis of Heat Pump Drying System provided in this embodiment, as shown in Figure 1, the sludge heat pump is dry
Drying system includes heat insulation plate house 1, and the heat insulation plate house 1 is provided with the solar energy heat conducting circulatory system, hot air circulating system and sludge
The circulatory system；
The solar energy heat conducting circulatory system includes the solar heat-collection plate 2 being set to outside heat insulation plate house 1, the first VERTICAL TUBE 7,
Two VERTICAL TUBEs 8, horizontal tube and solar heat-exchange coil pipe 17, the solar heat-collection plate 2 and solar heat-exchange coil pipe 17 pass through
One VERTICAL TUBE 7, the second VERTICAL TUBE 8, horizontal tube are connected；
The hot air circulating system includes the drying heat pump main frame 24 being set in heat insulation plate house 1, the dry heat pump main frame 24
Inside it is disposed with room temperature cooling water coil 23, evaporator coil 21, normal temperature circulation water coil 19, condenser coil 16 and waste heat
Exchanger 15, the evaporator coil 21 are connected with condenser coil 16, and are set respectively in two side ducts that are connected of the two
It is equipped with compressor 20 and throttling set 18, condensate draining pipe 22 is additionally provided on the evaporator coil 21；Refrigerant is distinguished
Circulation loop is formed by compressor 20, condenser coil 16, throttling set 18 and evaporator coil 22.The dry heat pump
It is provided on host 24 for making damp and hot wind enter the damp and hot wind inlet 25 of room temperature cooling water coil 23 and for making dry-heat air
Blow to the hot-blast outlet 26 of sludge；The solar heat-exchange coil pipe 17 is set in dry heat pump main frame 24, and is set to room temperature
It recycles between water coil 19 and condenser coil 16, or is set to after 15 sequence of residual-heat exchanger；
The sludge circulation system includes the feed inlet 3 being set on heat insulation plate house 1, discharge port 10 and is set to heat insulation plate house 1
Interior sludge conveyer belt 6 and electronic runner 5, the feed inlet 3, sludge conveyer belt 6 and discharge port 10 are sequentially connected, described electronic
Runner 5 drives sludge conveyer belt 6 to transmit sludge.
Wherein, circulating pump 12, the damp and hot wind inlet 25 are provided on the horizontal tube of the solar energy heat conducting circulatory system
Place is provided with strainer 13, and the feed inlet 3 is provided with charging preheating apparatus 4, and the discharge port 10 is provided with discharging recuperation of heat
Device 9 is additionally provided with discharge bucket 11 at the discharge port 10, and the hot air circulating system further includes being set at hot-blast outlet 26
For hot wind to be blown to the air blower 14 of sludge.
In the present embodiment, the sludge conveyer belt is to be obliquely installed, and the inclined angle is 10~20 °, the dirt
Mud conveyer belt is multilayer crawler belt pipeline organization.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of sludge Analysis of Heat Pump Drying System, which is characterized in that the sludge Analysis of Heat Pump Drying System includes heat insulation plate house（1）, institute
State heat insulation plate house（1）It is provided with the solar energy heat conducting circulatory system, hot air circulating system and sludge circulation system；
The solar energy heat conducting circulatory system includes being set to heat insulation plate house（1）Outer solar heat-collection plate（2）, the first VERTICAL TUBE
（7）, the second VERTICAL TUBE（8）, horizontal tube and solar heat-exchange coil pipe（17）, the solar heat-collection plate（2）And solar heat-exchange
Coil pipe（17）Pass through the first VERTICAL TUBE（7）, the second VERTICAL TUBE（8）, horizontal tube is connected；
The hot air circulating system includes being set to heat insulation plate house（1）Interior drying heat pump main frame（24）, the dry heat pump master
Machine（24）Inside it is disposed with room temperature cooling water coil（23）, evaporator coil（21）, normal temperature circulation water coil（19）, condenser
Coil pipe（16）And residual-heat exchanger（15）, the evaporator coil（21）And condenser coil（16）It is connected, and the two is connected
It is respectively arranged with compressor in two logical side ducts（20）And throttling set（18）, the evaporator coil（21）On be additionally provided with
Condensate draining pipe（22）；The dry heat pump main frame（24）On be provided with for making damp and hot wind enter room temperature cooling water coil
（23）Damp and hot wind inlet（25）With for making dry-heat air blow to the hot-blast outlet of sludge（26）；The solar heat-exchange coil pipe
（17）It is set to dry heat pump main frame（24）It is interior, and it is set to normal temperature circulation water coil（19）And condenser coil（16）Between,
Or it is set to residual-heat exchanger（15）After sequence；
The sludge circulation system includes being set to heat insulation plate house（1）On feed inlet（3）, discharge port（10）It is kept the temperature with being set to
Board house（1）Interior sludge conveyer belt（6）With electronic runner（5）, the feed inlet（3）, sludge conveyer belt（6）And discharge port（10）
It is sequentially connected, the electronic runner（5）Drive sludge conveyer belt（6）Transmit sludge.
2. sludge Analysis of Heat Pump Drying System according to claim 1, which is characterized in that the water of the solar energy heat conducting circulatory system
It is provided with circulating pump on flat pipe（12）.
3. sludge Analysis of Heat Pump Drying System according to claim 1, which is characterized in that the damp and hot wind inlet（25）Place is provided with
Strainer（13）.
4. sludge Analysis of Heat Pump Drying System according to claim 1, which is characterized in that the feed inlet（3）It is pre- to be provided with charging
Heating device（4）.
5. sludge Analysis of Heat Pump Drying System according to claim 1, which is characterized in that the discharge port（10）It is provided with discharging heat
Retracting device（9）.
6. sludge Analysis of Heat Pump Drying System according to claim 1, which is characterized in that the discharge port（10）Place is additionally provided with out
Hopper（11）.
7. sludge Analysis of Heat Pump Drying System according to claim 1, which is characterized in that the hot air circulating system further includes setting
In hot-blast outlet（26）The air blower for hot wind to be blown to sludge at place（14）.
8. sludge Analysis of Heat Pump Drying System according to claim 1, which is characterized in that the sludge conveyer belt is to be obliquely installed.
9. sludge Analysis of Heat Pump Drying System according to claim 8, which is characterized in that the inclined angle of sludge conveyer belt is
10~20 °.
10. sludge Analysis of Heat Pump Drying System according to claim 1, which is characterized in that the sludge conveyer belt is multilayer crawler belt
Pipeline organization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603180.0A CN108503186B (en) | 2018-06-12 | 2018-06-12 | Sludge heat pump drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603180.0A CN108503186B (en) | 2018-06-12 | 2018-06-12 | Sludge heat pump drying system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108503186A true CN108503186A (en) | 2018-09-07 |
| CN108503186B CN108503186B (en) | 2023-06-20 |
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ID=63403163
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810603180.0A Active CN108503186B (en) | 2018-06-12 | 2018-06-12 | Sludge heat pump drying system |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680807A (en) * | 2021-08-31 | 2021-11-23 | 南京仁丰汇达环境科技发展有限公司 | In-situ ex-situ soil remediation system based on heat pump thermal desorption |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102603148A (en) * | 2012-03-21 | 2012-07-25 | 江苏大学 | Integrated solar sludge drying system |
| CN103482838A (en) * | 2012-06-13 | 2014-01-01 | 中国科学院理化技术研究所 | Solar heat pump combined sludge drying system and drying method |
| JP2017116196A (en) * | 2015-12-25 | 2017-06-29 | 公益財団法人日本下水道新技術機構 | Sewage sludge drying system |
-
2018
- 2018-06-12 CN CN201810603180.0A patent/CN108503186B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102603148A (en) * | 2012-03-21 | 2012-07-25 | 江苏大学 | Integrated solar sludge drying system |
| CN103482838A (en) * | 2012-06-13 | 2014-01-01 | 中国科学院理化技术研究所 | Solar heat pump combined sludge drying system and drying method |
| JP2017116196A (en) * | 2015-12-25 | 2017-06-29 | 公益財団法人日本下水道新技術機構 | Sewage sludge drying system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113680807A (en) * | 2021-08-31 | 2021-11-23 | 南京仁丰汇达环境科技发展有限公司 | In-situ ex-situ soil remediation system based on heat pump thermal desorption |
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| Publication number | Publication date |
|---|---|
| CN108503186B (en) | 2023-06-20 |
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