CN102603150A - Closed air circulation sludge dryer - Google Patents
Closed air circulation sludge dryer Download PDFInfo
- Publication number
- CN102603150A CN102603150A CN2012100971942A CN201210097194A CN102603150A CN 102603150 A CN102603150 A CN 102603150A CN 2012100971942 A CN2012100971942 A CN 2012100971942A CN 201210097194 A CN201210097194 A CN 201210097194A CN 102603150 A CN102603150 A CN 102603150A
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- heat exchanger
- drying
- sludge
- air
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Abstract
The invention discloses a closed air circulation sludge dryer, which comprises a sludge drying box, a condenser, a heat exchange device, a closed air circulation loop, a waste heat source and a chiller, wherein the closed air circulation loop is communicated with the sludge drying box, the condenser and the heat exchange device; the waste heat source is used for supplying heat energy to the heat exchange device; the chiller is used for removing heat energy produced by the condenser; the sludge drying box produces air which contains water; and the air which contains water is subjected to temperature reduction and dehumidification by the condenser and heated by the heat exchange device and enters the sludge drying box to take the water in the sludge drying box away, so that the air which contains water is produced again and can be recycled.
Description
Technical field
The invention relates to a kind of sludge drier, and particularly relevant for a kind of airtight air circulating sludge drying machine.
Background technology
The factory that is provided with the sewage-farm needs sludge drier with the sludge dewatering after drying usually, reaching the reduction sludge moisture content, and then realizes the purpose of mud decrement and stabilization, and can reduce transporting and the final expense of handling that mud throws aside.In order to reach mud decrement and to reduce the mud shipping expense, have the sludge drier of multiple different structure in the market.In the existing sludge drier, much be to utilize refrigerant cooling reaching the function of dehumidifying, and use heating installation to provide to add the needed thermal source of warm air.Higher, the complex structure of these equipment costs, and when work, to utilize a large amount of electric power, can consume mass energy.
In view of this, how designing a kind of sludge drier, with conserve energy and reduction equipment cost, is the problem that those skilled in the art need solution badly.
Summary of the invention
The object of the invention is exactly that a kind of airtight air circulating sludge drying machine that uses used heat is being provided, in order to save energy and reduction equipment cost.
According to one embodiment of the invention, a kind of airtight air circulating sludge drying machine is proposed, comprise drying sludge case, condensing surface, heat exchanger, closed type air circulation loop, used heat thermal source and frozen water machine.The closed type air circulation loop is communicated with drying sludge case, condensing surface and heat exchanger.The used heat thermal source is in order to supply heat energy to heat exchanger.The frozen water machine is in order to remove the heat energy that condensing surface produces.Wherein the drying sludge case produces the air contain moisture, and the air that contains moisture is via after condensing surface cool-down dehumidification and the heat exchanger heating, and after getting into the drying sludge case and taking away the moisture in the drying sludge case, generation contains the air of moisture and recycles again.Furtherly, be that the air that uses in the airtight air circulating sludge drying machine is the state that belongs to a kind of recirculated air, especially at the air of closed type air circulation loop, it does not carry out any exchange with the external world and handles.
Airtight air circulating sludge drying machine also comprises a blower fan, is arranged between heat exchanger and the drying sludge case, orders about the air admission drying sludge case after the heating.The closed type air circulation loop comprises the cold wind admission passage, connects condensing surface and heat exchanger.The closed type air circulation loop comprises the hot blast admission passage, connects heat exchanger and drying sludge case.The venting port of hot blast admission passage connects the Lower Half of drying sludge case.The closed type air circulation loop comprises the hot blast exhaust line, connects drying sludge case and condensing surface.Wherein the used heat thermal source comprises a pressurized air.Heat exchanger can comprise a cavity and a partition, and partition is divided into the first flow and second runner with cavity, and air behind the cool-down dehumidification and pressurized air get into first flow and second runner respectively to carry out heat exchange through partition.Perhaps, heat exchanger can comprise cavity, first interchanger, second heat exchanger and liquid circulation loop.Cavity is between condensing surface and drying sludge case.First heat exchanger is in order to carry out heat exchange with the used heat thermal source.Second heat exchanger is arranged in the cavity, in order to cool-down dehumidification after air carry out heat exchange.Liquid circulation loop connects first heat exchanger and second heat exchanger.Wherein the temperature of used heat thermal source less than or equal Celsius 130 the degree.
Because the air through the drying sludge case is that closed circulation is used, and therefore is difficult for the puzzlement that frowziness leaked, influenced environment.In addition, utilize low order used heat in the factory, except that the effect that can have save energy, more can used heat be lowered the temperature, have the effect of carbon reduction as adding the thermal source of warm air.
Description of drawings
For letting above-mentioned and other purposes of the present invention, characteristic, advantage and the embodiment can be more obviously understandable, the detailed description of appended accompanying drawing be following:
Fig. 1 illustrates the functional diagram of airtight air circulating sludge drying machine one embodiment of the present invention;
Fig. 2 is the synoptic diagram of airtight another embodiment of air circulating sludge drying machine of the present invention;
Fig. 3 is the synoptic diagram of the another embodiment of airtight air circulating sludge drying machine of the present invention.
[main element nomenclature]
100: airtight air circulating sludge drying machine
110,210: the drying sludge case
120,220: condensing surface
130,230,230 ': heat exchanger
140,240: the closed type air circulation loop
150,250: the used heat thermal source
160,260: the frozen water machine
170,270: blower fan
212: mud
222: the first cavitys
224: water-collecting tray
231: partition
232: the second cavitys
233: first flow
234: the first heat exchangers
235: the second runners
236: the second heat exchangers
238: liquid circulation loop
242: the cold wind admission passage
244: the hot blast admission passage
245: venting port
246: the hot blast exhaust line
247: air intake vent
Embodiment
Below will clearly demonstrate spirit of the present invention with accompanying drawing and detailed description; Has common knowledge the knowledgeable under any in the technical field after understanding preferred embodiment of the present invention; When can be by the technology of teachings of the present invention, change and modification, it does not break away from spirit of the present invention and scope.
With reference to Fig. 1, it illustrates the functional diagram of airtight air circulating sludge drying machine one embodiment of the present invention.Airtight air circulating sludge drying machine 100 comprises drying sludge case 110, condensing surface 120, heat exchanger 130, closed type air circulation loop 140, used heat thermal source 150, and frozen water machine 160.Wherein closed type air circulation loop 140 is communicated with drying sludge case 110, condensing surface 120 and heat exchanger 130.Used heat thermal source 150 is in order to supply heat energy to heat exchanger 130, and 160 in frozen water machine is in order to remove the heat energy that condensing surface 120 is produced.Airtight air circulating sludge drying machine 100 more includes blower fan 170, is arranged between heat exchanger 130 and the drying sludge case 110.
Air is via after heat exchanger 130 heating; Can become the lower high temperature drying air of water cut, the high temperature drying air after this heating drives via blower fan 170, gets into drying sludge case 110 from closed type air circulation loop 140; After taking away the aqueous vapor in the drying sludge case 110; Warm damp atmosphere in becoming, this middle temperature damp atmosphere that contains moisture is delivered to condensing surface 120 via closed type air circulation loop 140 again, becomes after the dry Cryogenic air via condensing surface 120 cool-down dehumidifications; After delivering to heat exchanger 130 and be heated as the high temperature drying air by closed type air circulation loop 140 again, recycle once more.
So-called used heat thermal source 150 mainly is meant the low order used heat in the factory, more particularly, used heat such as the pressurized air that can discharge for air or high-temperature vapor, the temperature of these used heat thermals source for less than or equal 130 degree Celsius.Because airtight air circulating sludge drying machine 100 of the present invention is to utilize used heat thermal source 150 to provide heat energy to give heat exchanger 130; Therefore; Can save traditional electrification and add the required energy of warm air, more can save over needs cooling to handle these used heat energy needed.
Heat exchange between heat exchanger 130 of the present invention and the used heat thermal source 150 can be carried out the heat exchange form of gas through heat exchange form or the gas of gas to liquid, below will specify with embodiment respectively.
With reference to Fig. 2, it is the synoptic diagram of airtight another embodiment of air circulating sludge drying machine of the present invention.Airtight air circulating sludge drying machine 200 includes drying sludge case 210, condensing surface 220, heat exchanger 230, closed type air circulation loop 240, used heat thermal source 250, frozen water machine 260 and blower fan 270.Mud 212 is for leaving in the drying sludge case 210.Closed type air circulation loop 240 is communicated with drying sludge case 210, condensing surface 220 and heat exchanger 230.Used heat thermal source 250 is in order to supply heat energy to heat exchanger 230, and 260 in frozen water machine is in order to remove the heat energy that condensing surface 220 is produced.Blower fan 270 is arranged between heat exchanger 230 and the drying sludge case 210, gets into drying sludge casees 210 with the air that orders about after the heating from heat exchanger 230.
Closed type air circulation loop 240 includes cold wind admission passage 242; Connect condensing surface 220 and heat exchanger 230, make to get into heat temperature raising in the heat exchanger 230 via cold wind admission passage 242 via the cryodrying air behind condensing surface 220 cool-down dehumidifications.Particularly, airtight air circulating sludge drying machine 200 includes first cavity 222, and condensing surface 220 is positioned among first cavity 222, and cold wind admission passage 242 connects first cavity 222 and heat exchanger 230.
Closed type air circulation loop 240 comprises hot blast admission passage 244, connects heat exchanger 230 and drying sludge case 210.Blower fan 270 is arranged in the hot blast admission passage, and the feasible driving of passing through blower fan 270 via the high temperature drying air after heat exchanger 230 heating is taken away the moisture of mud 212 via hot blast admission passage 244 entering drying sludge casees 210.In order to increase the duration of contact of high temperature drying air and mud 212; To promote the drying effect of drying sludge case 210; The venting port 245 of hot blast admission passage 244 is preferably for being connected in the Lower Half of drying sludge case 210; Make the high temperature drying air in the process that rises, fully contact warm damp atmosphere in becoming with mud 212 to take away mud 212 contained aqueous vapors.
Closed type air circulation loop 240 includes hot blast exhaust line 246, connects drying sludge case 210 and condensing surface 220, and more particularly, hot blast exhaust line 246 connects the drying sludge case 210 and first cavity 222.The air intake vent 247 of hot blast exhaust line 246 is preferably for being positioned at the first half of drying sludge case 210, so that warm damp atmosphere in collecting.The middle temperature damp atmosphere that contains moisture utilizes condensing surface 220 cool-down dehumidifications after getting into first cavity 222 via hot blast exhaust line 246.Airtight air circulating sludge drying machine 200 more includes water-collecting tray 224, and water-collecting tray 224 is arranged among first cavity 222, and is positioned at condensing surface 220 belows, to collect the agglomerative aqueous vapor.
260 in frozen water machine is to be connected with condensing surface 220, to remove the heat that is produced when condensing surface 220 is lowered the temperature.Frozen water machine 260 can be unique host, or shared with other facility in the factory building, to save space configuration and equipment cost.
Because airtight air circulating sludge drying machine 200 is to utilize used heat thermal source 250 to provide heat exchanger 230 necessary energy; Can save traditional electrification and add the required energy of warm air; More can save over needs cooling to handle these used heat energy needed, reaches the effect of environmental protection.In addition, this kind gas is applicable to the used heat of higher-order to the heat exchange form of liquid, reaches the used heat or the transfer line place far away of 130 degree Celsius like temperature.Earlier thermal source is changed into the liquid pattern and be delivered to far-end again, all economize for cost and space are set.
With reference to Fig. 3, it is the synoptic diagram of the another embodiment of airtight air circulating sludge drying machine of the present invention.Airtight air circulating sludge drying machine 200 includes drying sludge case 210, condensing surface 220, heat exchanger 230 ', closed type air circulation loop 240, used heat thermal source 250, frozen water machine 260 and blower fan 270.Mud 212 is for leaving in the drying sludge case 210.Closed type air circulation loop 240 is communicated with drying sludge case 210, condensing surface 220 and heat exchanger 230 '.To heat exchanger 230 ', 260 in frozen water machine is in order to remove the heat energy that condensing surface 220 is produced to used heat thermal source 250 in order to supply heat energy.Blower fan 270 is arranged between heat exchanger 230 ' and the drying sludge case 210, gets into drying sludge case 210 with the air that orders about after the heating from heat exchanger 230 '.
The difference of present embodiment and last embodiment is that the heat exchanger 230 ' in the present embodiment is that gaseous state is to gasiform heat exchange form.Below only to describing with heat exchanger 230 ' relevant element, the structure of all the other elements and function see also last embodiment, repeat no more at this.
Heat exchanger 230 ' includes second cavity 232 and a partition 231, and partition 231 is divided into the mutual isolated first flow 233 and second runner 235 with second cavity 232.First flow 233 connects cold wind admission passage 242 and hot blast admission passage 244.Flow into first flow 233 via the air behind condensing surface 220 cool-down dehumidifications.Used heat thermal source 250; The low order used heat steam of 100 then is to get in second runner 235 according to appointment; Pyritous air comparatively in the comparatively cryogenic air in the first flow 233 and second runner 235; Carrying out heat exchange through partition 231, is the high temperature drying air with intensification cryodrying air.Because airtight air circulating sludge drying machine 200 is to utilize used heat thermal source 250 to provide heat exchanger 230 ' necessary energy; Can save traditional electrification and add the required energy of warm air; In addition; Reclaim low order used heat directly to be used as the thermal source of heat exchanger 230, also can reduce needs also to lower the temperature or the required energy of the used heat of other temperature that heat up, and reaches the effect of environmental protection.This kind gaseous state is applicable to comparatively low order to gasiform heat exchange form, and like the gas used heat of temperature about 100, or transmitting range has good heat exchanger effectiveness than in the short equipment.
Can know by the invention described above preferred embodiment, use the present invention and have advantage.Because the air through the drying sludge case is that closed circulation is used, and therefore is difficult for the puzzlement that frowziness leaked, influenced environment.In addition, utilize low order used heat in the factory, except that the effect that can have save energy, more can used heat be lowered the temperature, have the effect of carbon reduction as adding the thermal source of warm air.
Though the present invention discloses as above with a preferred embodiment; Right its is not in order to limit the present invention; Anyly be familiar with this art; Do not breaking away from the spirit and scope of the present invention, when can doing various changes and retouching, so protection scope of the present invention is as the criterion when looking the scope that appending claims defines.
Claims (10)
1. an airtight air circulating sludge drying machine is characterized in that, comprises:
One drying sludge case;
One condensing surface;
One heat exchanger;
One closed type air circulation loop is communicated with this drying sludge case, this condensing surface and this heat exchanger;
One used heat thermal source is to supply heat energy to this heat exchanger; And
One frozen water machine; To remove the heat energy that this condensing surface produces; Wherein this drying sludge case generation one contains the air of moisture; This air that contains moisture via this condensing surface cool-down dehumidification and the heating of this heat exchanger after, after getting into this drying sludge case and taking away the moisture in this drying sludge case, produce this again and contain the air of moisture and recycle.
2. airtight air circulating sludge drying machine according to claim 1 is characterized in that, also comprises a blower fan, is arranged between this heat exchanger and this drying sludge case, orders about this drying sludge case of air admission after this heating.
3. airtight air circulating sludge drying machine according to claim 1 is characterized in that this closed type air circulation loop comprises a cold wind admission passage, connects this condensing surface and this heat exchanger.
4. airtight air circulating sludge drying machine according to claim 1 is characterized in that this closed type air circulation loop comprises a hot blast admission passage, connects this heat exchanger and this drying sludge case.
5. airtight air circulating sludge drying machine according to claim 4 is characterized in that, a venting port of this hot blast admission passage connects the Lower Half of this drying sludge case.
6. airtight air circulating sludge drying machine according to claim 1 is characterized in that this closed type air circulation loop comprises a hot blast exhaust line, connects this drying sludge case and this condensing surface.
7. airtight air circulating sludge drying machine according to claim 1 is characterized in that this used heat thermal source comprises one and is compressed to gas.
8. airtight air circulating sludge drying machine according to claim 7; It is characterized in that; This heat exchanger comprises a cavity and a partition; This partition is divided into a first flow and one second runner with this cavity, and the air behind this cool-down dehumidification and this pressurized air get into this first flow and this second runner respectively to carry out heat exchange through this partition.
9. airtight air circulating sludge drying machine according to claim 1 is characterized in that this heat exchanger comprises:
One cavity is between this condensing surface and this drying sludge case;
One first heat exchanger is in order to carry out heat exchange with this used heat thermal source;
One second heat exchanger is arranged in this cavity, with this cool-down dehumidification after air carry out heat exchange; And
One liquid circulation loop connects this first heat exchanger and this second heat exchanger.
10. airtight air circulating sludge drying machine according to claim 1 is characterized in that, the temperature of this used heat thermal source less than or equal Celsius 130 the degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100971942A CN102603150A (en) | 2011-10-26 | 2012-03-30 | Closed air circulation sludge dryer |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110334970 | 2011-10-26 | ||
| CN201110334970.1 | 2011-10-26 | ||
| CN2012100971942A CN102603150A (en) | 2011-10-26 | 2012-03-30 | Closed air circulation sludge dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102603150A true CN102603150A (en) | 2012-07-25 |
Family
ID=46521014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100971942A Pending CN102603150A (en) | 2011-10-26 | 2012-03-30 | Closed air circulation sludge dryer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102603150A (en) |
| TW (1) | TWI458926B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154723A (en) * | 2014-08-14 | 2014-11-19 | 长沙开元仪器股份有限公司 | Coal sample drying device and method |
| CN105745175A (en) * | 2013-11-08 | 2016-07-06 | 裵熙东 | Air current circulation type low-temperature hot-air sludge drying equipment and processing method |
| CN105776811A (en) * | 2016-05-05 | 2016-07-20 | 深圳市怡泰水处理有限公司 | Sludge dewatering method and device |
| CN106382805A (en) * | 2016-11-16 | 2017-02-08 | 长沙开元仪器股份有限公司 | Drying equipment |
| CN107101493A (en) * | 2017-06-09 | 2017-08-29 | 枞阳县程鹏水产养殖有限责任公司 | A kind of fish meal processes special dendrobium candidum hot air circular drying machine |
| CN107473562A (en) * | 2017-10-09 | 2017-12-15 | 利得环境科技（北京）有限公司 | Utilize the sludge drying system and sludge drying method of used heat flue gas |
| CN107555756A (en) * | 2017-10-09 | 2018-01-09 | 利得环境科技（北京）有限公司 | Sludge drying system |
| CN107677090A (en) * | 2017-10-17 | 2018-02-09 | 佛山市金凯地过滤设备有限公司 | A kind of energy-saving canal drier |
| CN110864521A (en) * | 2019-09-30 | 2020-03-06 | 程冠皓 | Thermal cycle drying box and drying method thereof |
| CN111762989A (en) * | 2020-06-05 | 2020-10-13 | 北京云水浩瑞环境科技有限公司 | Sludge drying pyrolysis system and method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI588099B (en) * | 2014-12-19 | 2017-06-21 | 鑏詳科技有限公司 | Apparatus and method for slurry dewatering |
| NO343915B1 (en) * | 2018-01-16 | 2019-07-08 | Waister As | System and method of drying solid materials and liquid-solid mixtures |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105745175A (en) * | 2013-11-08 | 2016-07-06 | 裵熙东 | Air current circulation type low-temperature hot-air sludge drying equipment and processing method |
| CN104154723A (en) * | 2014-08-14 | 2014-11-19 | 长沙开元仪器股份有限公司 | Coal sample drying device and method |
| CN105776811A (en) * | 2016-05-05 | 2016-07-20 | 深圳市怡泰水处理有限公司 | Sludge dewatering method and device |
| CN106382805A (en) * | 2016-11-16 | 2017-02-08 | 长沙开元仪器股份有限公司 | Drying equipment |
| CN107101493A (en) * | 2017-06-09 | 2017-08-29 | 枞阳县程鹏水产养殖有限责任公司 | A kind of fish meal processes special dendrobium candidum hot air circular drying machine |
| CN107473562A (en) * | 2017-10-09 | 2017-12-15 | 利得环境科技（北京）有限公司 | Utilize the sludge drying system and sludge drying method of used heat flue gas |
| CN107555756A (en) * | 2017-10-09 | 2018-01-09 | 利得环境科技（北京）有限公司 | Sludge drying system |
| CN107677090A (en) * | 2017-10-17 | 2018-02-09 | 佛山市金凯地过滤设备有限公司 | A kind of energy-saving canal drier |
| CN110864521A (en) * | 2019-09-30 | 2020-03-06 | 程冠皓 | Thermal cycle drying box and drying method thereof |
| CN110864521B (en) * | 2019-09-30 | 2023-12-29 | 程冠皓 | Thermal cycle drying box and drying method thereof |
| CN111762989A (en) * | 2020-06-05 | 2020-10-13 | 北京云水浩瑞环境科技有限公司 | Sludge drying pyrolysis system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI458926B (en) | 2014-11-01 |
| TW201317529A (en) | 2013-05-01 |
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Application publication date: 20120725 |