CN202945138U - Device for drying sludge by use of solar energy - Google Patents
Device for drying sludge by use of solar energy Download PDFInfo
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- CN202945138U CN202945138U CN2012206542310U CN201220654231U CN202945138U CN 202945138 U CN202945138 U CN 202945138U CN 2012206542310 U CN2012206542310 U CN 2012206542310U CN 201220654231 U CN201220654231 U CN 201220654231U CN 202945138 U CN202945138 U CN 202945138U
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- 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
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Abstract
The utility model provides a device for drying sludge by the use of solar energy. The device is characterized in that a hot water outlet of a solar hot water system is connected with a water-air heat exchanger; a water outlet pipeline of the water-air heat exchanger is connected with a water inlet of the solar hot water system; an air inlet is connected with an inlet of an air cooling dehumidifier; an air outlet pipeline of the air cooling dehumidifier is connected with an air inlet of the water-air heat exchanger; a hot air outlet pipeline of the water-air heat exchanger is connected with a fan; an outlet of the fan is connected with an air distribution channel; and an outlet of the air distribution channel faces to a sludge evaporation surface. The device provided by the utility model makes full use of solar energy and residual heat in the system, and realizes energy conservation and environmental friendliness in the sludge drying process.
Description
Technical field
The utility model relates to a kind of device that utilizes solar energy drying mud, relates in particular to a kind of device that utilizes solar energy drying mud, its sludge drying mechanism take sun power as main drying source.
Background technology
The drying of municipal sludge mostly adopts the method for convection drying, and the mud direct drying method gets according to drying medium differently can be divided into high temperature flue gas drying, hot-air dry and superheat steam drying method.Adopt high temperature flue gas drying, need the hot flue gas of fuel or other system generation as drying medium, its advantage is that flow process is simple, processing efficiency is high, but due to the singularity of mud, the danger that there is blast in the drying process excess Temperature and catches fire, if do not have waste heat to utilize, consume energy larger; The superheat steam drying advantage is that heat exchange efficiency is high, existing high drying efficiency can easily not form duricrust in Sludge Surface because drying rate is too high again, shortcoming is that Superheated Steam Drying Technology is a technology that newly-developed gets up, higher to system and equipment requirements, as dehumidification system, gas leakage can not be arranged, the superheat steam drying facility investment is larger, in addition, the system operation temperature is higher, feeding procedure easily produces the dewfall phenomenon, and if dried waste gas is not fully utilized, just there is not advantage in this dry technology yet aspect energy-conservation.
For above problem, a kind of device that utilizes solar energy drying mud of the utility model development, it is to adopt sun power as main drying source, and mud is carried out drying process take warm air as medium, minimum to reach energy consumption for drying, and the purpose of environmentally safe.
The utility model content
The utility model provides a kind of device that utilizes solar energy drying mud, relates in particular to a kind of sludge drying mechanism take sun power as main drying source.This device has that the drying process energy consumption is low, drying efficiency is high, good economy performance, processing method and equipment is simple, treatment capacity is large, eco-friendly a bit.
The technical solution of the utility model is a kind of device that utilizes solar energy drying mud: be connected with the water-air interchanger by the solar water heating system hot water outlet, water-air interchanger water out is connected with the solar water heating system water-in, air intlet is connected with the moisture trap inlet mouth, after dehumidifying, air is connected with water-air interchanger inlet mouth, the hot air outlet of water-air interchanger is connected with blower fan, fan outlet is connected with the cloth air channel, and the cloth ducting outlet is towards the mud water surface of evaporation.The present invention takes full advantage of waste heat in sun power and system, has realized the energy-conservation and environmental friendliness of drying sludge process.
A kind of device that utilizes solar energy drying mud, formed by mud pre-dehydration device, solar water heating system, solar energy drying chamber, assisted heat pump, water-air interchanger, cooling-dehumidifying air device, wherein, be positioned at the indoor hot air system of sun power drying sludge and be comprised of fixedly air channel, Mobile hot air pipeline, blower fan and wind-distributing pipe, and each device described above connects in the following manner: the sludge outlet of mud pre-dehydration device is connected with solar energy drying chamber mud inlet; The solar water heating system hot water outlet is connected with water-air exchanger heat water inlet, simultaneously, there is the hot water branch road to be connected with the cooling water inlet of assisted heat pump device, after the heat exchange of water-air interchanger, hot water outlet is connected with the solar water heating system cooling water inlet, and the assisted heat pump hot water outlet is connected with water-air exchanger heat water inlet; Cooling-dehumidifying air device air intlet be connected from environment or solar energy drying chamber air intlet, cooling-dehumidifying air device airout is connected with water-air interchanger air intlet, and water-air interchanger airout is connected with HAI Heated Air Intake pipeline in the solar energy drying chamber; The hot air system device that is positioned at the solar energy drying chamber connects in the following manner: fixedly the air channel is connected with the Mobile hot air conduit entrance, and the mobile ventiduct outlet is connected with the blower fan import, and fan outlet is connected with the hot air duct import.
The beneficial effect of the utility model device: whole drying sludge process stabilization of the present invention is reliable, can adopt automatization to control.As the drying to municipal sludge, if be 60% through pre-dried wet mud wet basis water capacity, after dry, the moisture content of mud is 10%, day lignin-sludge amount 100t, if utilize drying method for sludge and the device that patent of the present invention proposes to carry out drying, HAI Heated Air Intake temperature 45 degree, temperature out 30 degree, outlet air relative humidity 80% can be saved 2.27 tons, mark coal every day, reduces CO
25.66 tons of quantity dischargeds.To sum up, and compared with prior art, the present invention has the following advantages:
1, the related drying source of the utility model patent is take sun power as main, and the conventional energy resources energy consumption of dry unit sludge is very little.Even can ignore in the regional conventional energy resources consumption that solar energy resources is abundant.
2, the related drying process of the utility model patent mainly adopts sun power, can not cause environmental pollution because using fossil oil.
3, the related device of the utility model patent is relatively simple, invests littlely, easily realizes.
4, the related sludge drying mechanism service temperature of the utility model patent is lower, does not have the blast that the high-temperature flue gas drying sludge may cause and the danger of catching fire.
Description of drawings
Fig. 1 is the schematic diagram of solar drying apparatus of the present utility model.
Fig. 2 is mud hot air apparatus schematic diagram in kiln in the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings and the specific embodiments the utility model is described in further detail.
Embodiment:A kind of device that utilizes solar energy drying mud, as shown in Figure 2, by having motor 8, hot blast wind-distributing pipe road 7, blower fan 6 and turnover throwing machine 9 in mud pre-dehydration device 11, solar water heating system 10,1(solar energy drying chamber, solar energy drying chamber 1), assisted heat pump 13, water-air interchanger 14, cooling-dehumidifying air device 16 form.
The sludge outlet of mud pre-dehydration device 11 is connected with solar energy drying chamber 1 mud inlet; Solar water heating system 10 hot water outlets are connected with water-air interchanger 14 hot water inlets, simultaneously, there is hot water branch road 12 to be connected with assisted heat pump 13 cooling water inlets, after 14 heat exchange of water-air interchanger, hot water outlet is connected with solar water heating system 10 cooling water inlets, and assisted heat pump 13 hot water outlets are connected with water-air interchanger 14 hot water inlets; Cooling-dehumidifying air device 16 air intlets be connected from environment or solar energy drying chamber 1 air intlet, the airout of cooling-dehumidifying air device 16 is connected with water-air interchanger 14 air intlets, and water-air interchanger 14 airouts are connected with HAI Heated Air Intake pipeline 3 in solar energy drying chamber 1.In one embodiment, as shown in Figure 2, water-air interchanger 14 can be placed in the inside of solar energy drying chamber 10.
The below is according to Fig. 2 explanation apparatus structure according to hot air system in a kind of device that utilizes solar energy drying mud described above.
As shown in Figure 2, wherein indoor hot air system device and the working process of solar energy drying is as follows: enter fixedly air channel 21 by the warm air after the heating of water-air interchanger, under the effect of blower fan 23, warm air enters the mobile hot-air duct 22 that is connected with fixing air channel 21, warm air enters in hot air duct 24 through blower fan, blows to mud water surface of evaporation 26 at heating duct air outlet 25 warm airs.The utility model employing belt dressing conduct fixedly integral part in air channel 21 is useful.The utility model warm air is useful to the stirring of mud to drying effect with turnover throwing machine when hot air duct 24 blows out.
According to the mud pre-dehydration device 11 in above-described sludge drying mechanism, can adopt the efficient energy-conservation device such as system's waste heat flue gas drying device or the recycled superheated vapour sludge dryer of steam to realize predrainage.
According to the solar water heating system 10 in above-described sludge drying mechanism, can be solar vacuum-tube water heater or heat-pipe vacuum-tube solar water-heater or the apparatus for heating water by solar energy that adopts the optically focused mode.
According to the assisted heat pump 13 in above-described sludge drying mechanism, can be the energy-conservation equipment such as water resource heat pump, air-source water heater.
According to the water-air interchanger 14 in above-described sludge drying mechanism, can be shell-and-tube, board-like, finned heat exchanger.
In conjunction with Fig. 1, the sludge drying mechanism working process that the utility model is related is described:
As shown in Figure 1,, enter in mud pre-dehydration device 11 about 30-40% from the mud solid content of sewage work, increase between 35-55% through the dehydrated sludge solid content, enter in solar energy drying chamber 1, evenly be tiled in ground at solar energy drying chamber 1 interior mud 2 by sludge distribution device; Simultaneously, the hot-water system working process is as follows: waste heat hot water or tap water from other system enter in solar water heating system 10, hot water after solar heating enters in water-air interchanger 14, transfer heat to air, the hot water after heat exchange returns in solar water heating system 10 and reheats; Wherein, when due to weather or season reason or drying load excessive, cause in the inadequate situation of the hot water heat that enters water-air interchanger 14, start assisted heat pump 13, at this moment, enter assisted heat pump 13 from the hot water branch road 12 of solar water heating system 10, enter in water-air interchanger 14 through the hot water after heat again, to the air release of heat, assisted heat pump also can directly be introduced external water; Simultaneously, the air system working process is as follows: detect the air from solar energy drying chamber or ambient atmosphere, if its humidity is excessive, should first introducing air cooling dehumidifier 16 in, after dehumidifying, air enters in water-air interchanger 14; Because the method for interchanger cooling and dehumidifying can reduce air themperature, so if this atmospheric moisture is less, directly introduce in water-air interchanger 14, warm air after heating enters in HAI Heated Air Intake pipeline 3 in the solar energy drying chamber, warm air enters under the effect of blower fan 6 in hot blast wind-distributing pipe road 7, warm air blows to the mud water surface of evaporation, the drying of accelerate sludge from the cloth air port when 9 pairs of mud of turnover throwing machine turn over throwing.In addition, when ambient air outside had lower water capacity, extraneous air can directly enter by pipeline 15 and participate in drying in water-air interchanger 14; When extraneous air had higher temperature and higher water capacity, extraneous air directly entered in cooling-dehumidifying air device 16 through pipeline 17, participated in drying sludge.Mud blows under the convective heat exchange effect that causes by absorbing solar radiant energy, inner air cycle heat exchange and wind-distributing pipe warm air described above in kiln, its moisture evaporates gradually, solid content increases, until solid content increases to desirable value, 85-95% for example, dry after mud 4 discharge whole sludge dry systems.
In sum, these are only preferred embodiment of the present utility model, is not be used to limiting protection domain of the present utility model.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (1)
1. device that utilizes solar energy drying mud, it is characterized in that: formed by mud pre-dehydration device, solar water heating system, solar energy drying chamber, assisted heat pump, water-air interchanger, cooling-dehumidifying air device, wherein, be positioned at the indoor hot air system of sun power drying sludge and be comprised of fixedly air channel, Mobile hot air pipeline, blower fan and wind-distributing pipe, and each device described above connects in the following manner: the sludge outlet of mud pre-dehydration device is connected with solar energy drying chamber mud inlet; The solar water heating system hot water outlet is connected with water-air exchanger heat water inlet, simultaneously, there is the hot water branch road to be connected with the cooling water inlet of assisted heat pump device, after the heat exchange of water-air interchanger, hot water outlet is connected with the solar water heating system cooling water inlet, and the assisted heat pump hot water outlet is connected with water-air exchanger heat water inlet; Cooling-dehumidifying air device air intlet be connected from environment or solar energy drying chamber air intlet, cooling-dehumidifying air device airout is connected with water-air interchanger air intlet, and water-air interchanger airout is connected with HAI Heated Air Intake pipeline in the solar energy drying chamber; The hot air system device that is positioned at the solar energy drying chamber connects in the following manner: fixedly the air channel is connected with the Mobile hot air conduit entrance, and the mobile ventiduct outlet is connected with the blower fan import, and fan outlet is connected with the hot air duct import.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206542310U CN202945138U (en) | 2012-12-03 | 2012-12-03 | Device for drying sludge by use of solar energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206542310U CN202945138U (en) | 2012-12-03 | 2012-12-03 | Device for drying sludge by use of solar energy |
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| Publication Number | Publication Date |
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| CN202945138U true CN202945138U (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206542310U Expired - Fee Related CN202945138U (en) | 2012-12-03 | 2012-12-03 | Device for drying sludge by use of solar energy |
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| CN (1) | CN202945138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193139A (en) * | 2014-09-16 | 2014-12-10 | 江苏金山环保工程集团有限公司 | Return air external recycle system for processing kitchen wastes and quickly drying sludge by using solar energy |
-
2012
- 2012-12-03 CN CN2012206542310U patent/CN202945138U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193139A (en) * | 2014-09-16 | 2014-12-10 | 江苏金山环保工程集团有限公司 | Return air external recycle system for processing kitchen wastes and quickly drying sludge by using solar energy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20151203 |
|
| EXPY | Termination of patent right or utility model |