CN103011550A - Sludge freeze thawing dewatering treating system and treating method using system - Google Patents
Sludge freeze thawing dewatering treating system and treating method using system Download PDFInfo
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- CN103011550A CN103011550A CN2013100156782A CN201310015678A CN103011550A CN 103011550 A CN103011550 A CN 103011550A CN 2013100156782 A CN2013100156782 A CN 2013100156782A CN 201310015678 A CN201310015678 A CN 201310015678A CN 103011550 A CN103011550 A CN 103011550A
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Abstract
The invention discloses a sludge freeze thawing dewatering treating system and a treating method using the system, solving the problems of poor sludge dewatering effect and higher cost in the prior art. The sludge freeze thawing dewatering system comprises a freezing chamber for freezing sludge and a thawing chamber communicated with the freezing chamber and used for heating the sludge, wherein an evaporator for cooling the sludge is arranged in the freezing chamber; a hot water pipe for heating the sludge is arranged in the thawing chamber; a conveyer belt for conveying the sludge is arranged in the freezing chamber and the thawing chamber and extends out of the thawing chamber; and the conveyor belt is arranged below the evaporator and the hot water pipe. The invention also provides a treating method using the sludge freeze thawing dewatering treating system. The sludge freeze thawing dewatering treating system is simple in structure, low in price, convenient for operation and excellent in sludge dewatering effect.
Description
Technical field
The invention belongs to environmental technology field, be specifically related to a kind of mud and freeze solution-off water treatment system and treatment process thereof.
Background technology
Along with the fast development of society, human utilization to water resources is more and more, causes quantity of wastewater effluent constantly to increase, and people more and more obtain paying attention to water environment protection, and numerous sewage works in succession build up and put into operation in each main cities.The operation of large amount of sewage treatment facility will improve the water quality environment situation effectively, and the mud of following sewage disposal to produce becomes new environmental problem.
That the treatment process of mud mainly adopts is concentrated, stable, conditioning, dehydration etc., and in numerous treatment processs, matter of utmost importance is to solve the sludge dewatering problem.Although the mud water content is high, there is difficulty in sludge dewatering.Major cause has: the wetting ability of Sludge Surface, the microbial cell wall is not easy to destroy in the mud, in addition high viscosity ECP(extracellular polymeric) layer is present in the surface of cell walls, and shows as negative charge, sludge surface charge presents electrically opposite, and the sludge absorption glassware for drinking water has high surface tension.Yet existing mud dewatering method has to a certain degree dehydration to mud, but poor effect, the dehydrated sludge water ratio is still very high, and cost is higher, is difficult to realize industrialization.
Summary of the invention
The object of the present invention is to provide a kind of mud to freeze solution-off water treatment system and treatment process thereof, solve sludge dewatering poor effect in the prior art, and the higher problem of cost.
To achieve these goals, the technical solution used in the present invention is as follows:
Mud freezes the solution-off water treatment system, comprise the chamber of dissolving that is communicated with and is used for heating mud for the refrigeration chamber of cooling mud and with refrigeration chamber, be provided with the vaporizer for cooling mud in the described refrigeration chamber, described dissolve indoor also be provided with for the heating mud hot-water line, described refrigeration chamber with dissolve the indoor conveying belt that also is provided with for transportation mud, these conveying belt two ends extend to respectively refrigeration chamber and dissolve outdoor and be positioned at vaporizer and hot-water line below.
For the ease of better mud being heated, described dissolving indoorly also is provided with the fan coil that blows to mud for the heat that hot-water line is discharged, and the air outlet of this fan coil is positioned at the top of hot-water line.
Further, the present invention also comprises the compressor that links to each other with vaporizer, the first heat exchanger that links to each other with this compressor, and be used for carrying out heat exchange with the first heat exchanger, and the second heat exchanger that links to each other with hot-water line, described the first heat exchanger also links to each other with vaporizer.
Again further, also be connected with recycle pump and temperature measuring device in turn between described the second heat exchanger and the hot-water line.
Further, also be provided with between described recycle pump and the temperature measuring device for the donkey boiler that heats.
Can not produce heat exchange phenomenon in order to prevent refrigeration chamber and to dissolve between the chamber, described refrigeration chamber and dissolve and also be provided with insulated chamber between the chamber, described refrigeration chamber and an end that dissolves the chamber and link to each other with insulated chamber, and an end relative with insulated chamber is equipped with isolating door.
In addition, describedly dissolve the indoor conveying belt below of being positioned at and also be provided with for the receiving tank of collecting mud and dissolve water.
Freeze the treatment process of solution-off water treatment system based on above-mentioned mud, may further comprise the steps:
(1) by conveying belt mud is transported in the refrigeration chamber, the control vaporizer cools off Sludge Surface, keeps the refrigeration chamber room temperature at-5～-25 ℃, to mud cooling 2～24h;
(2) by conveying belt with cooled mud be transported to dissolve indoor, the control fan coil blows hot-water line, the cooled mud of heat transferred that hot-water line is discharged heats it, and hot blast keeps dissolving the chamber room temperature at 2～10 ℃ in indoor circulation.
The sewage that produces when further, mud dissolves then is collected in the receiving tank and discharges.
Again further, when dissolving the chamber room temperature when not reaching 2～10 ℃, then start donkey boiler the water in the hot-water line is heated again in the described step (2).
The present invention compared with prior art has the following advantages and beneficial effect:
(1) system of the present invention keeps energy conservation, effectively refrigeration compressor cold energy and heat energy utilization is got up, and keeps two relative closed environments of reaction chamber, and effectively save energy consumption reduces electric cost;
(2) the present invention by freeze molten after, moisture percentage in sewage sludge drops to below 65% by original 90%, the sludge settling after the processing significantly improves, thereby follow-up mechanism filter-pressing, the drying bed be convenient to mud are processed;
(3) the present invention does not need to add chemical agent, further reduces environmental pollution, and its treatment effect is good, and technique is simple, and is with low cost;
(4) the present invention is simple in structure, and is cheap, easy to operate, is fit to apply.
Description of drawings
Fig. 1 is structural representation of the present invention.
In the above-mentioned accompanying drawing, the component names that Reference numeral is corresponding is as follows: the 1-refrigeration chamber, and 2-dissolves the chamber, the 3-compressor, 4-recycle pump, 5-donkey boiler, the 6-conveying belt, 7-vaporizer, 8-the first heat exchanger, 9-the second heat exchanger, 10-fan coil, 11-insulated chamber, the 12-isolating door, the 13-receiving tank, 14-hot-water line, 15-temperature measuring device.
Embodiment
The invention will be further described below in conjunction with drawings and Examples, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in Figure 1, mud freezes the solution-off water treatment system, comprise for the refrigeration chamber of cooling mud and with refrigeration chamber and being communicated with, and the chamber of dissolving that is used for heating mud, be provided with in the described refrigeration chamber for the cooling mud vaporizer, described dissolve indoor also be provided with for the heating mud hot-water line, described refrigeration chamber with dissolve indoor also be provided with for the transportation mud conveying belt, and this conveying belt extends to refrigeration chamber and dissolves outdoorly, and this conveying belt is positioned at vaporizer and hot-water line below.For the ease of better the mud after freezing being heated, also be provided with the fan coil that blows to mud for the heat that hot-water line is discharged in the described refrigeration chamber, the air outlet of described fan coil is positioned at the top of hot-water line.
In order to reduce cost, realize the effective energy of utilization of rationalization, the present invention also comprises the compressor that links to each other with vaporizer, the first heat exchanger that links to each other with this compressor, and be used for carrying out heat exchange with the first heat exchanger, and the second heat exchanger that links to each other with hot-water line, described the first heat exchanger also links to each other with vaporizer, and this first heat exchanger is adjacent with the second heat exchanger.
In order to recognize that accurately the hot water switch to dissolving the indoor hot water temperature who passes into, also is connected with recycle pump and temperature measuring device in turn between described the second heat exchanger and the hot-water line.
Because energy has loss in switching process, in order to guarantee to dissolve indoor homo(io)thermism, also be provided with the donkey boiler for heating between described recycle pump and the temperature measuring device, this donkey boiler can heat water according to the temperature that temperature measuring device tests out, be passed into again and dissolve indoor hot-water line mud is heated, guaranteed to dissolve indoor temperature and can keep constant.
Can not produce heat exchange phenomenon in order to prevent refrigeration chamber and to dissolve between the chamber, described refrigeration chamber and dissolve and also be provided with insulated chamber between the chamber, and this insulated chamber and refrigeration chamber with dissolve the both sides that the chamber links to each other and be equipped with an isolating door, described refrigeration chamber and dissolve and also be provided with an isolating door on the chamber.
In order conveniently to be collected in the sewage that dissolves after the indoor processing, describedly dissolve the indoor conveying belt below of being positioned at and also be provided with for the receiving tank of collecting mud, dissolve when mud is heated, sewage just enters receiving tank and discharges, and the mud after the dehydration then carries out mechanism filter-pressing, drying bed is processed.
The treatment process of above-mentioned mud cold cut processed system, at first with the mud of sewage work's mechanism filter-pressing by belt conveyance in refrigeration chamber, and the control compressor cools off Sludge Surface by vaporizer, keep the refrigeration chamber room temperature at-5～-25 ℃ this moment, to mud cooling 2～24h, the heat that this process compressor produces carries out heat exchange by the first heat exchanger and the second heat exchanger, the second heat exchanger just carries out transferring heat to hot water pipeline internal recycle water, has reduced energy expenditure; Then by travelling belt with the mud after freezing be transported to dissolve indoor, this moment, hot water circulated between donkey boiler and hot-water line, the control fan coil blows hot-water line, the cooled mud of heat transferred that hot-water line is discharged carries out heat treated to it, and keep dissolving the chamber room temperature at 2～10 ℃, cooled mud can be dissolved completely, when dissolving the chamber room temperature when being lower than 2 ℃, only needing to start donkey boiler heats recirculated water, make and dissolve the chamber room temperature and reach 2～10 ℃, simultaneously also can be according to the hot-water line temperature conditions of temperature measuring device demonstration, recirculated water is heated, concrete is when the hot-water line circulating water temperature is lower than 60 ℃, just can open donkey boiler and heat, and makes the interior hot water temperature of hot-water line remain on 60～90 ℃; When mud be heated dissolve after, sewage is just discharged from receiving tank, mud then carries out mechanism filter-pressing, drying bed is processed.
Moisture percentage in sewage sludge after processing by the present invention drops to below 65% by original 90%, sludge settling after the processing significantly improves, and follow-up mechanism filter-pressing, the drying bed be convenient to mud are processed, and running cost of the present invention is lower, sludge volume is little, is suitable for promoting the use of.
According to above-described embodiment, just can realize well the present invention.What deserves to be explained is; under the prerequisite based on above-mentioned design, for solving same technical problem, even some that make in the present invention are without substantial change or polishing; the essence of the technical scheme that adopts is still the same with the present invention, so it also should be in protection scope of the present invention.
Claims (9)
1. mud freezes the solution-off water treatment system, it is characterized in that, comprise for the refrigeration chamber (1) of cooling mud and is communicated with and is used for heating mud with refrigeration chamber (1) dissolve chamber (2), be provided with the vaporizer (7) for cooling mud in the described refrigeration chamber (1), the described hot-water line (14) that also is provided with in the chamber (2) for heating mud that dissolves, described refrigeration chamber (1) with dissolve the conveying belt (6) that also is provided with in the chamber (2) for transportation mud, this conveying belt (6) two ends extend to respectively refrigeration chamber (1) and dissolve chamber (2) outer and be positioned at below vaporizer (7) and the hot-water line (14).
2. mud according to claim 1 freezes the solution-off water treatment system, it is characterized in that, described dissolving also is provided with the fan coil (10) that blows to mud for the heat that hot-water line (14) is discharged in the chamber (2), and the air outlet of this fan coil (10) is positioned at the top of hot-water line (14).
3. mud according to claim 2 freezes the solution-off water treatment system, it is characterized in that, also comprise the compressor (3) that links to each other with vaporizer (7), the first heat exchanger (8) that links to each other with this compressor (3), and being used for the second heat exchanger (9) of carrying out heat exchange and link to each other with hot-water line (14) with the first heat exchanger (8), described the first heat exchanger (8) also links to each other with vaporizer (7).
4. mud according to claim 3 freezes the solution-off water treatment system, it is characterized in that, also is connected with recycle pump (4) and temperature measuring device (15) between described the second heat exchanger (9) and the hot-water line (14) in turn.
5. mud according to claim 4 freezes the solution-off water treatment system, it is characterized in that, also is provided with the donkey boiler (5) for heating between described recycle pump (4) and the temperature measuring device (15).
6. mud according to claim 5 freezes the solution-off water treatment system, it is characterized in that, described refrigeration chamber (1) and dissolve and also be provided with insulated chamber (11) between the chamber (2), described refrigeration chamber (1) and an end that dissolves chamber (2) and link to each other with insulated chamber (11), and an end relative with insulated chamber (11) is equipped with isolating door (12).
7. mud according to claim 6 freezes the solution-off water treatment system, it is characterized in that, described dissolving is positioned at conveying belt below and also is provided with for the receiving tank (13) of collecting mud and dissolve water in the chamber (2).
8. each described mud of claim 1～7 freezes the treatment process of solution-off water treatment system, it is characterized in that, may further comprise the steps:
(1) by conveying belt mud is transported in the refrigeration chamber, the control vaporizer cools off Sludge Surface, keeps the refrigeration chamber room temperature at-5～-25 ℃, to mud cooling 2～24h;
(2) by conveying belt with cooled mud be transported to dissolve indoor, the control fan coil blows hot-water line, the cooled mud of heat transferred that hot-water line is discharged heats it, and hot blast keeps dissolving the chamber room temperature at 2～10 ℃ in indoor circulation.
9. mud according to claim 8 freezes the treatment process of solution-off water treatment system, it is characterized in that, when dissolving the chamber room temperature when not reaching 2～10 ℃, then starts donkey boiler the water in the hot-water line is heated again in the described step (2).
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| CN2013100156782A CN103011550B (en) | 2013-01-16 | 2013-01-16 | Sludge freeze thawing dewatering treating system and treating method using system |
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| CN2013100156782A CN103011550B (en) | 2013-01-16 | 2013-01-16 | Sludge freeze thawing dewatering treating system and treating method using system |
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| CN103011550B CN103011550B (en) | 2013-11-13 |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098240A (en) * | 2014-08-04 | 2014-10-15 | 饶宾期 | Sewage sludge treatment device |
| CN104193140A (en) * | 2014-08-25 | 2014-12-10 | 陈士强 | Energy-saving refrigerating pretreatment device for deep sludge dehydration of sewage treatment plant |
| CN104355522A (en) * | 2014-10-13 | 2015-02-18 | 山东福航新能源环保股份有限公司 | Sludge drying platform device |
| CN105060679A (en) * | 2015-08-03 | 2015-11-18 | 轻工业环境保护研究所 | Sludge thawing and conditioning system |
| CN105693049A (en) * | 2014-08-04 | 2016-06-22 | 饶宾期 | Advanced treatment method for sewage sludge |
| CN105712607A (en) * | 2016-04-28 | 2016-06-29 | 湖南科技大学 | Spraying granulation refrigeration vacuum drying device and method for sludge |
| CN105859093A (en) * | 2016-04-28 | 2016-08-17 | 湖南科技大学 | Low energy consumption vacuum freeze-drying method capable of recovering and utilizing energy for sludge |
| CN109160713A (en) * | 2018-09-20 | 2019-01-08 | 胡妙芳 | The sludge treatment equipment of intelligence |
| CN109160712A (en) * | 2018-09-20 | 2019-01-08 | 胡妙芳 | The sludge freezing processing equipment of freezing parameter can be automatically adjusted |
| CN109160706A (en) * | 2018-09-21 | 2019-01-08 | 侯燕楠 | Sludge treatment device |
| CN109160704A (en) * | 2018-09-21 | 2019-01-08 | 侯燕楠 | Freeze the sludge treatment device of Parameter adjustable |
| CN109160711A (en) * | 2018-09-20 | 2019-01-08 | 胡妙芳 | Sludge treatment equipment |
| CN110183087A (en) * | 2019-05-31 | 2019-08-30 | 武汉美丽东方污泥治理科技有限公司 | A kind of method of sludge Frozen-thawed cycled conditioning and deep dehydration |
| CN112028434A (en) * | 2020-08-17 | 2020-12-04 | 中电建水环境科技有限公司 | Plate-frame type sludge freeze-thawing deep dehydration method |
| CN112794617A (en) * | 2021-01-06 | 2021-05-14 | 陈傲然 | Intelligent drying equipment with motor input end penetrating through box body |
| CN114477585A (en) * | 2022-01-13 | 2022-05-13 | 烟台大学 | Garbage filter pressing and filtering device adopting progressive freezing and combined thawing treatment and working method |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105693049B (en) * | 2014-08-04 | 2018-09-14 | 杭州浩斌科技有限公司 | A kind of sewage sludge deep treatment method |
| CN104098240B (en) * | 2014-08-04 | 2015-10-21 | 中国计量学院 | Sewage sludge treatment unit |
| CN105693049A (en) * | 2014-08-04 | 2016-06-22 | 饶宾期 | Advanced treatment method for sewage sludge |
| CN104098240A (en) * | 2014-08-04 | 2014-10-15 | 饶宾期 | Sewage sludge treatment device |
| CN104193140A (en) * | 2014-08-25 | 2014-12-10 | 陈士强 | Energy-saving refrigerating pretreatment device for deep sludge dehydration of sewage treatment plant |
| CN104355522A (en) * | 2014-10-13 | 2015-02-18 | 山东福航新能源环保股份有限公司 | Sludge drying platform device |
| CN105060679A (en) * | 2015-08-03 | 2015-11-18 | 轻工业环境保护研究所 | Sludge thawing and conditioning system |
| CN105712607B (en) * | 2016-04-28 | 2019-04-16 | 湖南科技大学 | A kind of the spraying granule vacuum freeze-drying apparatus and method of sludge |
| CN105859093B (en) * | 2016-04-28 | 2018-09-11 | 湖南科技大学 | A kind of low-power consumption sludge method of vacuum freeze drying that energy regenerating utilizes |
| CN105859093A (en) * | 2016-04-28 | 2016-08-17 | 湖南科技大学 | Low energy consumption vacuum freeze-drying method capable of recovering and utilizing energy for sludge |
| CN105712607A (en) * | 2016-04-28 | 2016-06-29 | 湖南科技大学 | Spraying granulation refrigeration vacuum drying device and method for sludge |
| CN109160711A (en) * | 2018-09-20 | 2019-01-08 | 胡妙芳 | Sludge treatment equipment |
| CN109160712A (en) * | 2018-09-20 | 2019-01-08 | 胡妙芳 | The sludge freezing processing equipment of freezing parameter can be automatically adjusted |
| CN109160713A (en) * | 2018-09-20 | 2019-01-08 | 胡妙芳 | The sludge treatment equipment of intelligence |
| CN109160706A (en) * | 2018-09-21 | 2019-01-08 | 侯燕楠 | Sludge treatment device |
| CN109160704A (en) * | 2018-09-21 | 2019-01-08 | 侯燕楠 | Freeze the sludge treatment device of Parameter adjustable |
| CN110183087A (en) * | 2019-05-31 | 2019-08-30 | 武汉美丽东方污泥治理科技有限公司 | A kind of method of sludge Frozen-thawed cycled conditioning and deep dehydration |
| CN112028434A (en) * | 2020-08-17 | 2020-12-04 | 中电建水环境科技有限公司 | Plate-frame type sludge freeze-thawing deep dehydration method |
| CN112794617A (en) * | 2021-01-06 | 2021-05-14 | 陈傲然 | Intelligent drying equipment with motor input end penetrating through box body |
| CN114477585A (en) * | 2022-01-13 | 2022-05-13 | 烟台大学 | Garbage filter pressing and filtering device adopting progressive freezing and combined thawing treatment and working method |
| CN114477585B (en) * | 2022-01-13 | 2023-01-17 | 烟台大学 | Garbage filter pressing and filtering device adopting progressive freezing and combined thawing treatment and working method |
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