CN108996878A - Sludge freeze thawing dewatering system and method based on solar semiconductor refrigeration heating technology - Google Patents
Sludge freeze thawing dewatering system and method based on solar semiconductor refrigeration heating technology Download PDFInfo
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- CN108996878A CN108996878A CN201811199121.8A CN201811199121A CN108996878A CN 108996878 A CN108996878 A CN 108996878A CN 201811199121 A CN201811199121 A CN 201811199121A CN 108996878 A CN108996878 A CN 108996878A
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- 239000010802 sludge Substances 0.000 title claims abstract description 273
- 238000010438 heat treatment Methods 0.000 title claims abstract description 176
- 239000004065 semiconductor Substances 0.000 title claims abstract description 93
- 238000010257 thawing Methods 0.000 title claims abstract description 80
- 238000005057 refrigeration Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000005516 engineering process Methods 0.000 title claims abstract description 31
- 230000018044 dehydration Effects 0.000 claims abstract description 18
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 18
- 239000002699 waste material Substances 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims description 37
- 238000002474 experimental method Methods 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 14
- 238000004146 energy storage Methods 0.000 claims description 14
- 239000000654 additive Substances 0.000 claims description 12
- 230000000996 additive effect Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000001931 thermography Methods 0.000 claims description 11
- 238000010792 warming Methods 0.000 claims description 10
- 238000013019 agitation Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910021536 Zeolite Inorganic materials 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 7
- 239000012634 fragment Substances 0.000 claims description 7
- 238000007710 freezing Methods 0.000 claims description 7
- 230000008014 freezing Effects 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000010457 zeolite Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000001757 thermogravimetry curve Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 3
- 239000004020 conductor Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 239000005439 thermosphere Substances 0.000 claims 1
- 235000015110 jellies Nutrition 0.000 abstract description 6
- 239000008274 jelly Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000001932 seasonal effect Effects 0.000 abstract description 3
- 239000002918 waste heat Substances 0.000 abstract description 3
- 210000004027 cell Anatomy 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 239000004519 grease Substances 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001086 cytosolic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003834 intracellular effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
Landscapes
- 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)
- Treatment Of Sludge (AREA)
Abstract
Based on the sludge freeze thawing dewatering system and method for solar semiconductor refrigeration heating technology, belong to technical field of sludge treatment, solves the problems, such as that existing sludge freeze thawing dewatering energy consumption is high low with dehydration efficiency.Sludge freeze thawing dewatering system of the present invention does not realize that the hot and cold amount in sludge frozen-thaw process is supplied only with solar semiconductor refrigeration heating combined equipment, and sludge is heated and freezed using the waste heat and waste cold generated in the work of solar semiconductor refrigeration heating combined equipment, and then it is high to solve the problems, such as that existing sludge freeze thawing dewatering consumes energy.On the other hand, sludge freeze thawing dewatering system of the present invention is artificially built the jelly of sludge, is melted environment using solar semiconductor refrigeration heating combined equipment and corresponding warehouse, this mode that sludge freeze thawing is realized by artificial cold and heat source is not subject to seasonal restrictions, jelly can be manually set, melt the period, and then solve the problems, such as that existing sludge freeze thawing dewatering dehydration efficiency is low.
Description
Technical field
The present invention relates to a kind of sludge freeze thawing dewatering system and methods, belong to technical field of sludge treatment.
Background technique
Treatment of Sludge is that the process of minimizing, stabilisation and harmless treatment is carried out to sludge.Sewage treatment degree is higher,
More sludge residue needs will be generated to be pocessed.Sewage only is handled using land treatment systems or sump, otherwise
General sewage treatment plant must be provided with sludge treatment facilities.For the sewage treatment plant of modernization, the processing of sludge and place
It sets and has become most complicated in operation of sewage disposal system and spend highest a part.
Sludge dewatering is the important link of Treatment of Sludge, is mainly used for realizing the minimizing of sludge.Existing sludge dewatering
Method mainly includes heat treating process, freeze-thaw method, supercritical ultrasonics technology, microwave method, method of chemical treatment and biological treatment.Among these, freeze
Melt method because can change the flocculation structure in sludge, promote the growth of sludge intracellular ice crystal, promotes cell membrane and cytoplasmic broken
It is bad, it is effectively reduced moisture percentage in sewage sludge and receive more and more attention and application.
However, existing sludge freeze thawing dewatering still has following problems:
One, a large amount of hot and cold amount supply is needed during sludge freeze thawing, the high energy consumption issues thus caused are seriously made
The about popularization of existing sludge freeze thawing dewatering, universal and scale application.
Two, existing sludge freeze thawing dewatering is usually realized the jelly of sludge and is melted by natural environment, this dependence
Natural environment is not only subject to seasonal restrictions realizing the mode of sludge freeze thawing but also freezes, it is longer to melt the period, can not efficiently realize dirt
The freeze thawing of mud is dehydrated.
Summary of the invention
The present invention is to solve the problems, such as that existing sludge freeze thawing dewatering energy consumption is high low with dehydration efficiency, proposes a kind of base
In the sludge freeze thawing dewatering system and method for solar semiconductor refrigeration heating technology.
Sludge freeze thawing dewatering system of the present invention based on solar semiconductor refrigeration heating technology includes solar energy
Semi-conductor and sludge freeze thawing dehydration device;
Solar semiconductor refrigeration heating combined equipment includes the first semiconductor refrigerating unit and the second semiconductor refrigerating unit;
Sludge freeze thawing dehydration device includes sludge pretreatment unit and sludge deep processing unit;
Sludge pretreatment unit is used for the dirt to stalk fragment, zeolite granular, active carbon particle or waste iron filing is added with
Mud is stirred, and then is sufficiently mixed sludge with additive;
Sludge deep processing unit includes level-one cool chamber, second level cool chamber, level-one heating cabinet and second level heating cabinet;
First semiconductor refrigerating cell operation in refrigeration mode, cold and hot end be respectively second level cool chamber cold source and
The heat source of level-one heating cabinet;
Second semiconductor refrigerating cell operation in heating mode, cold and hot end be respectively level-one cool chamber cold source and
The heat source of second level heating cabinet;
Level-one cool chamber, second level cool chamber, level-one heating cabinet and second level heating cabinet handle suitable according to scheduled sludge deep
The pretreated sludge of ordered pair is freezed or is heated, and then realizes the circulating freezing resistance dehydration of sludge.
As preferably, sludge pretreatment unit includes pretreatment storehouse and rabbling mechanism;
Rabbling mechanism includes motor, agitating shaft, multiple agitating paddles, first bearing and second bearing;
Vertical clapboard is provided in pretreatment storehouse, pretreatment storehouse is divided into motor placement by vertical clapboard from front to back
Storehouse and sludge agitation storehouse;
Motor is arranged in motor place position, and the shaft of agitating shaft and motor links;
First bearing level is installed on vertical clapboard, and runs through vertical clapboard;
Second bearing level is installed on the end plate of pretreatment storehouse;
The rear end of agitating shaft enters in sludge agitation storehouse through first bearing, and extends in second bearing;
Multiple agitating paddles are coaxially installed on agitating shaft, and the equidistantly distributed in the horizontal direction in sludge agitation storehouse.
As preferably, the first side wall of the first side wall and level-one heating cabinet of second level cool chamber is oppositely arranged, two
The first fixed plate is closely provided between person;
The first side wall of level-one cool chamber and the first side wall of second level heating cabinet are oppositely arranged, between close setting
There is the second fixed plate;
First semiconductor refrigerating unit is embedded in the first fixed plate, and cold and hot end exceeds the first fixed plate respectively
Two sides, the cold end enter second level cool chamber after the first side wall through second level cool chamber, which is running through level-one heating cabinet
The first side wall after enter level-one heating cabinet;
Second semiconductor refrigerating unit is embedded in the second fixed plate, and cold and hot end exceeds the two of the second fixed plate respectively
Side, the cold end enter level-one cool chamber after the first side wall through level-one cool chamber, and the hot end is through second level heating cabinet
Enter second level heating cabinet after the first side wall.
As preferably, the sludge freeze thawing dewatering system further includes sludge storing apparatus;
Pretreated sludge through sludge storing apparatus be shelved on level-one cool chamber, second level cool chamber, level-one heating cabinet and
In second level heating cabinet, and shift between level-one cool chamber, second level cool chamber, level-one heating cabinet and second level heating cabinet;
Sludge storing apparatus includes screen tray and sieve, and sieve is distributed along the outer of screen tray and can be whole in the axial direction of screen tray
Body is flexible;
When pretreated sludge is freezed or heated, where screen tray is placed in it on bottom plate in storehouse;
In the second sidewall of level-one heating cabinet and the first overflow pipe is respectively arranged in the second sidewall of second level heating cabinet
With the second overflow pipe, the absolute altitude of the first overflow pipe and the second overflow pipe is respectively less than screen tray thickness.
As preferably, the sludge freeze thawing dewatering system further includes cooling and warming time-controlling arrangement;
Cooling and warming time-controlling arrangement is used for according to preset control instruction, controls the first semiconductor refrigerating unit and the
The working time of two semiconductor refrigerating units.
As preferably, the sludge freeze thawing dewatering system further includes temperature measuring device;
Temperature measuring device include the first temperature sensing unit~the 4th temperature sensing unit, temperature data samwpling unit and
Temperature data display unit;
First temperature sensing unit~the 4th temperature sensing unit is respectively used to real-time measurement level-one cool chamber, second level freezing
Temperature data in storehouse, level-one heating cabinet and second level heating cabinet;
Temperature data samwpling unit is surveyed for the first temperature sensing unit of wireless collection~the 4th temperature sensing unit simultaneously
The temperature data measured;
Temperature data display unit is used for the collected temperature data of displays temperature data acquisition unit.
As preferably, the sludge freeze thawing dewatering system further includes infrared thermal imaging device;
Infrared thermal imaging device is used for while acquiring and showing level-one cool chamber, second level cool chamber, level-one heating cabinet and two
Infrared Thermogram inside grade heating cabinet;
Infrared thermal imaging device includes the first infrared detecting unit~the 4th infrared detecting unit;
First is respectively arranged in the warehouse lid of level-one cool chamber, second level cool chamber, level-one heating cabinet and second level heating cabinet
Infrared viewing window~the 4th infrared viewing window, the first infrared detecting unit~the 4th infrared detecting unit is respectively through the first infrared sight
It examines window~the 4th infrared viewing window and receives the heat radiation in corresponding storehouse.
As preferably, solar semiconductor refrigeration heating combined equipment further includes solar energy photoelectric conversion unit, numerical control
With unit and energy-storage units;
Solar energy photoelectric conversion unit is used for each use by numerical control matching unit for the sludge freeze thawing dewatering system
Electric equipment power supply, and charge for energy-storage units;
Numerical control matching unit is used to make the electric energy of the sludge freeze thawing dewatering system to transmit and is in best match state always,
And to the overcharging of energy-storage units, over-discharge controls;
Energy-storage units are used for when solar energy photoelectric conversion unit is without output as each of the sludge freeze thawing dewatering system
Power supply for electrical equipment;
Cooling and warming time-controlling arrangement controls the first semiconductor refrigerating unit and the second half by numerical control matching unit and leads
The working time of body refrigeration unit.
As preferably, the cold and hot end of the first semiconductor refrigerating unit and the second semiconductor refrigerating unit it is cold
End and hot end are all made of air-cooled, water cooling, heat pipe or the radiating mode of free convection;
Guarantor is provided in the inner and outer surfaces of level-one cool chamber, second level cool chamber, level-one heating cabinet and second level heating cabinet
Warm thermal insulation layer;
First fixed plate and the second fixed plate are hard heat-insulating plate;
First infrared viewing window~the 4th infrared viewing window is all made of heat insulation glass and is made.
Sludge freeze thawing dewatering of the present invention realized based on the sludge freeze thawing dewatering system, this method packet
It includes:
Step 1: by being sampled to obtain test sludge to pending mud, and using sludge pretreatment unit to adding
It is stirred added with the test sludge of stalk fragment, zeolite granular, active carbon particle or waste iron filing, makes to test sludge and addition
Object is sufficiently mixed;
Step 2: it is dirty that pretreated test sludge is divided into first batch test sludge~the 4th batch experiment in equal volume
Mud;
Step 3: successively using second level cool chamber, level-one heating cabinet, second level heating cabinet and level-one cool chamber to first batch
It tests sludge and carries out the circulating advanced treating that the single treatment time is T hours, until the moisture content of first batch test sludge
Reach scheduled moisture content, and the number of processes of circulating advanced treating link is denoted as to the optimal place of first batch test sludge
Manage number;
Step 4: successively using level-one cool chamber, second level cool chamber, level-one heating cabinet and second level heating cabinet to second lot
It tests sludge and carries out the circulating advanced treating that the single treatment time is T hours, until the moisture content of second lot test sludge
Reach scheduled moisture content, and the number of processes of circulating advanced treating link is denoted as to the optimal place of second lot test sludge
Manage number;
Step 5: successively using level-one heating cabinet, second level heating cabinet, level-one cool chamber and second level cool chamber to third batch
It tests sludge and carries out the circulating advanced treating that the single treatment time is T hours, until the moisture content of third batch experiment sludge
Reach scheduled moisture content, and the number of processes of circulating advanced treating link is denoted as to the optimal place of third batch experiment sludge
Manage number;
Step 6: successively using second level heating cabinet, level-one cool chamber, second level cool chamber and level-one heating cabinet to the 4th batch
It tests sludge and carries out the circulating advanced treating that the single treatment time is T hours, until the moisture content of the 4th batch experiment sludge
Reach scheduled moisture content, and the number of processes of circulating advanced treating link is denoted as to the optimal place of the 4th batch experiment sludge
Manage number;
Step 7: the average value of first batch test sludge~the 4th batch experiment sludge optimal processing number is taken, and
Average value after rounding up is denoted as to the optimal processing number of single batch sludge;
Step 8: taking out the sludge isometric with test sludge in remaining pending mud, added in sludge same
Type, etc. quality additive, and sludge is stirred using sludge pretreatment unit, keeps sludge and additive sufficiently mixed
It closes;
Step 9: sludge to be divided into first batch sludge~the 4th batch sludge in equal volume;
Step 10: successively using second level cool chamber, level-one heating cabinet, second level heating cabinet and level-one cool chamber to first batch
Sludge carries out circulating advanced treating, successively uses level-one cool chamber, second level cool chamber, level-one heating cabinet and second level heating cabinet pair
Second lot sludge carries out circulating advanced treating, successively uses level-one heating cabinet, second level heating cabinet, level-one cool chamber and second level
Cool chamber carries out circulating advanced treating to third batch sludge, successively using second level heating cabinet, level-one cool chamber, second level freezing
Storehouse and level-one heating cabinet carry out circulating advanced treating to the 4th batch sludge;
The circulating advanced treating of four batch sludge carries out simultaneously, and the single treatment time of every batch of sludge is T hours,
The number of processes of the circulating advanced treating of every batch of sludge is the optimal processing number of single batch sludge.
Sludge freeze thawing dewatering system of the present invention based on solar semiconductor refrigeration heating technology, using solar energy
Semi-conductor come realize the hot and cold amount in sludge frozen-thaw process supply.In addition to this, level-one heating cabinet utilizes the
The waste heat generated in semiconductor refrigeration unit process of refrigerastion heats sludge, and level-one cool chamber utilizes the second semiconductor system
The waste cold generated in cold unit heating operations freezes sludge.Therefore, of the present invention to be based on solar energy and semiconductor system
The sludge freeze thawing dewatering system of cold heating technology is because as operating power source and making full use of semiconductor system using renewable energy
The waste cold and waste heat that are generated in cold cell operation and to efficiently solve existing sludge freeze thawing dewatering energy consumption high, uneconomic
Problem.
Sludge freeze thawing dewatering system of the present invention based on solar semiconductor refrigeration heating technology, using solar energy
Semi-conductor and corresponding warehouse artificially build the jelly of sludge, melt environment, this to come by artificial cold and heat source
It realizes that the mode of sludge freeze thawing is not subject to seasonal restrictions not only, but also jelly can be manually set, melt the period.Therefore, of the present invention
Based on solar semiconductor refrigeration heating technology sludge freeze thawing dewatering system can efficiently realize sludge freeze thawing dehydration.
Detailed description of the invention
It will hereinafter come based on the embodiments and with reference to the accompanying drawings to of the present invention based on solar semiconductor refrigeration system
The sludge freeze thawing dewatering system and method for thermal technology are described in more detail, in which:
Fig. 1 is the inside for heating the sludge freeze thawing dewatering system of technology described in embodiment based on solar semiconductor refrigeration
Structural plan figure;
Fig. 2 is the vertical view for heating the sludge freeze thawing dewatering system of technology described in embodiment based on solar semiconductor refrigeration
Figure;
Fig. 3 is the structural schematic diagram for the first semiconductor refrigerating unit that embodiment refers to.
Specific embodiment
It is de- to the sludge freeze thawing of the present invention based on solar semiconductor refrigeration heating technology below in conjunction with attached drawing
Water system and method are described further.
Embodiment: the present embodiment is explained in detail below with reference to FIG. 1 to FIG. 3.
Sludge freeze thawing dewatering system based on solar semiconductor refrigeration heating technology described in the present embodiment includes the sun
It can Semi-conductor and sludge freeze thawing dehydration device;
Solar semiconductor refrigeration heating combined equipment includes the first semiconductor refrigerating unit and the second semiconductor refrigerating unit;
Sludge freeze thawing dehydration device includes sludge pretreatment unit and sludge deep processing unit;
Sludge pretreatment unit is used for the dirt to stalk fragment, zeolite granular, active carbon particle or waste iron filing is added with
Mud is stirred, and then is sufficiently mixed sludge with additive;
Sludge deep processing unit includes level-one cool chamber 1, second level cool chamber 2, level-one heating cabinet 3 and second level heating cabinet 4;
For first semiconductor refrigerating cell operation in refrigeration mode, cold and hot end is respectively the cold source of second level cool chamber 2
With the heat source of level-one heating cabinet 3;
For second semiconductor refrigerating cell operation in heating mode, cold and hot end is respectively the cold source of level-one cool chamber 1
With the heat source of second level heating cabinet 4;
Level-one cool chamber 1, second level cool chamber 2, level-one heating cabinet 3 and second level heating cabinet 4 according to scheduled sludge deep at
It makes the pretreated sludge of ordered pair in order to be freezed or heated, and then realizes the circulating freezing resistance dehydration of sludge.
The sludge pretreatment unit of the present embodiment includes pretreatment storehouse and rabbling mechanism;
Rabbling mechanism includes motor 5, agitating shaft 6, multiple agitating paddles 7, first bearing 8 and second bearing 9;
Vertical clapboard 10 is provided in pretreatment storehouse, pretreatment storehouse is divided into motor by vertical clapboard 10 from front to back
Place position and sludge agitation storehouse;
Motor 5 is arranged in motor place position, and the shaft of agitating shaft 6 and motor 5 links;
8 level of first bearing is installed on vertical clapboard 10, and runs through vertical clapboard 10;
9 level of second bearing is installed on the end plate of pretreatment storehouse;
The rear end of agitating shaft 6 enters in sludge agitation storehouse through first bearing 8, and extends in second bearing 9;
Multiple agitating paddles 7 are coaxially installed on agitating shaft 6, and equidistant point in the horizontal direction in sludge agitation storehouse
Cloth.
In the present embodiment, the first side wall of second level cool chamber 2 and the first side wall of level-one heating cabinet 3 are oppositely arranged,
Therebetween closely it is provided with the first fixed plate;
The first side wall of level-one cool chamber 1 and the first side wall of second level heating cabinet 4 are oppositely arranged, and are closely set between
It is equipped with the second fixed plate;
First semiconductor refrigerating unit is embedded in the first fixed plate, and cold and hot end exceeds the first fixed plate respectively
Two sides, the cold end enter second level cool chamber 2 after the first side wall through second level cool chamber 2, which heats through level-one
Enter level-one heating cabinet 3 after the first side wall in storehouse 3;
Second semiconductor refrigerating unit is embedded in the second fixed plate, and cold and hot end exceeds the two of the second fixed plate respectively
Side, the cold end enter level-one cool chamber 1 after the first side wall through level-one cool chamber 1, which is running through second level heating cabinet 4
The first side wall after enter second level heating cabinet 4.
Sludge freeze thawing dewatering system based on solar semiconductor refrigeration heating technology described in the present embodiment further includes dirt
Mud storing apparatus;
Pretreated sludge is shelved on level-one cool chamber 1, second level cool chamber 2, level-one heating cabinet 3 through sludge storing apparatus
Turn in second level heating cabinet 4, and between level-one cool chamber 1, second level cool chamber 2, level-one heating cabinet 3 and second level heating cabinet 4
It moves;
Sludge storing apparatus includes screen tray 11 and sieve, and sieve is distributed along the outer of screen tray 11 and can be in the axis of screen tray 11
Upward integral telescopic;
When pretreated sludge is freezed or heated, where screen tray 11 is placed in it on bottom plate in storehouse;
In the second sidewall of level-one heating cabinet 3 and the first overflow is respectively arranged in the second sidewall of second level heating cabinet 4
The absolute altitude of pipe 12 and the second overflow pipe 13, the first overflow pipe 12 and the second overflow pipe 13 is respectively less than 11 thickness of screen tray.
Sludge freeze thawing dewatering system based on solar semiconductor refrigeration heating technology described in the present embodiment further includes system
Cold heating time-controlling arrangement 31;
Cooling and warming time-controlling arrangement 31 is used for according to preset control instruction, control the first semiconductor refrigerating unit and
The working time of second semiconductor refrigerating unit.
Sludge freeze thawing dewatering system based on solar semiconductor refrigeration heating technology described in the present embodiment further includes temperature
Spend measuring device;
Temperature measuring device includes the 14~the 4th temperature sensing unit 17 of the first temperature sensing unit, temperature data acquisition list
Member 18 and temperature data display unit 19;
The 14~the 4th temperature sensing unit 17 of first temperature sensing unit is respectively used to real-time measurement level-one cool chamber 1, two
Temperature data in grade cool chamber 2, level-one heating cabinet 3 and second level heating cabinet 4;
Temperature data samwpling unit 18 is for the 14~the 4th temperature sensing list of the first temperature sensing unit of wireless collection simultaneously
The temperature data that member 17 measures;
Temperature data display unit 19 is used for the collected temperature data of displays temperature data acquisition unit 18.
Sludge freeze thawing dewatering system based on solar semiconductor refrigeration heating technology described in the present embodiment further includes red
Outer thermal imaging device 32;
Infrared thermal imaging device 32 is used for while acquiring and showing level-one cool chamber 1, second level cool chamber 2, level-one heating cabinet 3
With the Infrared Thermogram inside second level heating cabinet 4;
Infrared thermal imaging device 32 includes the 20~the 4th infrared detecting unit 23 of the first infrared detecting unit;
It is respectively arranged in the warehouse lid of level-one cool chamber 1, second level cool chamber 2, level-one heating cabinet 3 and second level heating cabinet 4
The 24~the 4th infrared viewing window 27 of first infrared viewing window, the 20~the 4th infrared detecting unit 23 of the first infrared detecting unit difference
The heat radiation in corresponding storehouse is received through the 24~the 4th infrared viewing window 27 of the first infrared viewing window.
The solar semiconductor refrigeration heating combined equipment of the present embodiment further includes solar energy photoelectric conversion unit 28, numerical control matching
Unit 29 and energy-storage units 30;
Solar energy photoelectric conversion unit 28 is used to through numerical control matching unit 29 be each of the sludge freeze thawing dewatering system
A power supply for electrical equipment, and charge for energy-storage units 30;
Numerical control matching unit 29 is used to make the electric energy of the sludge freeze thawing dewatering system to transmit always in best match shape
State, and to the overcharging of energy-storage units 30, over-discharge controls;
Energy-storage units 30 are used for when solar energy photoelectric conversion unit 28 is without output as the sludge freeze thawing dewatering system
Each power supply for electrical equipment;
Cooling and warming time-controlling arrangement 31 controls the first semiconductor refrigerating unit and second by numerical control matching unit 29
The working time of semiconductor refrigerating unit.
In the present embodiment, solar energy photoelectric conversion unit 28 can be led with the first half simultaneously by numerical control matching unit 29
Body refrigeration unit, the second semiconductor refrigerating unit, motor 5, cooling and warming time-controlling arrangement 31, temperature data samwpling unit
18, temperature data display unit 19, infrared thermal imaging device 32 and energy-storage units 30 constitute electric loop.
Energy-storage units 30 can by numerical control matching unit 29 simultaneously with the first semiconductor refrigerating unit, the second semiconductor system
Cold unit, motor 5, cooling and warming time-controlling arrangement 31, temperature data samwpling unit 18,19 and of temperature data display unit
Infrared thermal imaging device 32 constitutes electric loop.
The first semiconductor refrigerating unit and numerical control matching unit 29 of the present embodiment are just connecing, the second semiconductor refrigerating unit with
Numerical control matching unit 29 is reversely connected.
In actual use, the solar energy photoelectric conversion unit 28 of the present embodiment could alternatively be wind light mutual complementing power generation and set
It is standby.
In the present embodiment, the cold and hot end of the first semiconductor refrigerating unit and the second semiconductor refrigerating unit is cold
End and hot end are all made of the radiating mode of forced air cooling.
It is respectively provided in the inner and outer surfaces of level-one cool chamber 1, second level cool chamber 2, level-one heating cabinet 3 and second level heating cabinet 4
There is heat insulation layer;
First fixed plate and the second fixed plate are hard heat-insulating plate;
The 24~the 4th infrared viewing window 27 of first infrared viewing window is all made of heat insulation glass and is made.
The first semiconductor refrigerating unit of the present embodiment includes two block semiconductor cooling assemblies 33, two block semiconductor refrigeration trains
Part 33 is embedded in the first fixed plate in tiling shape.Heat-conducting silicone grease is disposed in the cold end of semiconductor refrigerating component 33
Layer, cold end radiator 34 and cold end fan 35, set gradually thermal grease layer, hot end on the hot end of semiconductor refrigerating component 33
Radiator 36 and hot end fan 37.Cold end radiator 34 and hot-side heat dissipation device 36 are fixed on semiconductor refrigerating by fixing bolt
On component 33.Cold end fan 35 and hot end fan 37 are used for forced heat radiation.
The level-one cool chamber 1, second level cool chamber 2, level-one heating cabinet 3, second level heating cabinet 4 and pretreatment storehouse of the present embodiment are adopted
It is designed with integrated structure, specific structure are as follows: level-one cool chamber 1, second level cool chamber 2, level-one heating cabinet 3, second level heating cabinet 4
It is vertically arranged on unsplit bed(-)plate, pretreatment storehouse is horizontally set on unsplit bed(-)plate.Level-one heating cabinet 3 and second level cool chamber 2
It is located at the left front portion and left back portion of unsplit bed(-)plate.Level-one cool chamber 1 is located at the right side of level-one heating cabinet 3, and corresponding thereto.
Second level heating cabinet 4 is located at the right side of second level cool chamber 2, and corresponding thereto.
Walking mechanism is provided on the bottom plate of unsplit bed(-)plate.
Sludge freeze thawing dewatering system based on solar semiconductor refrigeration heating technology described in the present embodiment further includes smelly
Gas is collected and purification device, the foul smell generated in frozen-thaw process for collecting and purifying sludge.
Sludge freeze thawing dewatering system based on solar semiconductor refrigeration heating technology described in the present embodiment is according to following
Step carries out freeze thawing dehydration to sludge:
Step 1: by being sampled to obtain test sludge to pending mud, and using sludge pretreatment unit to adding
It is stirred added with the test sludge of stalk fragment, zeolite granular, active carbon particle or waste iron filing, makes to test sludge and addition
Object is sufficiently mixed;
Step 2: it is dirty that pretreated test sludge is divided into first batch test sludge~the 4th batch experiment in equal volume
Mud;
Step 3: successively using second level cool chamber 2, level-one heating cabinet 3, second level heating cabinet 4 and level-one cool chamber 1 to first
The circulating advanced treating that it is T hours the single treatment time that batch experiment sludge, which carries out, until first batch test sludge contains
Water rate reaches scheduled moisture content, and the number of processes of circulating advanced treating link is denoted as first batch test sludge most
Excellent number of processes;
Step 4: successively using level-one cool chamber 1, second level cool chamber 2, level-one heating cabinet 3 and second level heating cabinet 4 to second
The circulating advanced treating that it is T hours the single treatment time that batch experiment sludge, which carries out, until second lot test sludge contains
Water rate reaches scheduled moisture content, and the number of processes of circulating advanced treating link is denoted as second lot test sludge most
Excellent number of processes;
Step 5: successively using level-one heating cabinet 3, second level heating cabinet 4, level-one cool chamber 1 and second level cool chamber 2 to third
The circulating advanced treating that it is T hours the single treatment time that batch experiment sludge, which carries out, until third batch experiment sludge contains
Water rate reaches scheduled moisture content, and the number of processes of circulating advanced treating link is denoted as third batch experiment sludge most
Excellent number of processes;
Step 6: successively using second level heating cabinet 4, level-one cool chamber 1, second level cool chamber 2 and level-one heating cabinet 3 to the 4th
The circulating advanced treating that it is T hours the single treatment time that batch experiment sludge, which carries out, until the 4th batch experiment sludge contains
Water rate reaches scheduled moisture content, and the number of processes of circulating advanced treating link is denoted as the 4th batch experiment sludge most
Excellent number of processes;
Step 7: the average value of first batch test sludge~the 4th batch experiment sludge optimal processing number is taken, and
Average value after rounding up is denoted as to the optimal processing number of single batch sludge;
Step 8: taking out the sludge isometric with test sludge in remaining pending mud, added in sludge same
Type, etc. quality additive, and sludge is stirred using sludge pretreatment unit, keeps sludge and additive sufficiently mixed
It closes;
Step 9: sludge to be divided into first batch sludge~the 4th batch sludge in equal volume;
Step 10: successively using second level cool chamber 2, level-one heating cabinet 3, second level heating cabinet 4 and level-one cool chamber 1 to first
Batch sludge carries out circulating advanced treating, successively uses level-one cool chamber 1, second level cool chamber 2, level-one heating cabinet 3 and second level
Heating cabinet 4 carries out circulating advanced treating to second lot sludge, successively uses level-one heating cabinet 3, second level heating cabinet 4, level-one
Cool chamber 1 and second level cool chamber 2 carry out circulating advanced treating to third batch sludge, successively use second level heating cabinet 4, level-one
Cool chamber 1, second level cool chamber 2 and level-one heating cabinet 3 carry out circulating advanced treating to the 4th batch sludge;
The circulating advanced treating of four batch sludge carries out simultaneously, and the single treatment time of every batch of sludge is T hours,
The number of processes of the circulating advanced treating of every batch of sludge is the optimal processing number of single batch sludge.
Sludge freeze thawing dewatering described in the present embodiment is additionally arranged on the basis of existing sludge freeze thawing dewatering
Stalk fragment, zeolite granular, active carbon particle or waste iron filing are added in sludge and make the well-mixed pre-dehydration link of the two.
When sludge and additive are sufficiently mixed, additive can not only absorb the moisture in sludge, and can increase inside sludge
Hole, be conducive to air entrance, and then improve dehydration rate.
Sludge freeze thawing dewatering system based on solar semiconductor refrigeration heating technology described in the present embodiment, in conjunction with this reality
Sludge freeze thawing dewatering described in example is applied, circulating freezing resistance dehydration can be carried out to multiple batches of sludge simultaneously, realizes sludge jelly
Melt the integrated and scale of dehydration.
Although describing the present invention herein with reference to specific embodiment, it should be understood that, these realities
Applying example only is the example of principles and applications.It should therefore be understood that can be permitted exemplary embodiment
More modifications, and can be designed that other arrangements, without departing from spirit of the invention as defined in the appended claims and
Range.It should be understood that different appurtenances can be combined by being different from mode described in original claim
It is required that and feature described herein.It will also be appreciated that the feature in conjunction with described in separate embodiments can be used at it
In his embodiment.
Claims (10)
1. the sludge freeze thawing dewatering system based on solar semiconductor refrigeration heating technology, which is characterized in that the sludge freeze thawing
Dewatering system includes solar semiconductor refrigeration heating combined equipment and sludge freeze thawing dehydration device;
Solar semiconductor refrigeration heating combined equipment includes the first semiconductor refrigerating unit and the second semiconductor refrigerating unit;
Sludge freeze thawing dehydration device includes sludge pretreatment unit and sludge deep processing unit;
Sludge pretreatment unit be used for added with stalk fragment, zeolite granular, active carbon particle or waste iron filing sludge into
Row stirring, and then it is sufficiently mixed sludge with additive;
Sludge deep processing unit includes level-one cool chamber, second level cool chamber, level-one heating cabinet and second level heating cabinet;
For first semiconductor refrigerating cell operation in refrigeration mode, cold and hot end is respectively the cold source and level-one of second level cool chamber
The heat source of heating cabinet;
For second semiconductor refrigerating cell operation in heating mode, cold and hot end is respectively the cold source and second level of level-one cool chamber
The heat source of heating cabinet;
Level-one cool chamber, second level cool chamber, level-one heating cabinet and second level heating cabinet are according to scheduled sludge deep processing sequence pair
Pretreated sludge is freezed or is heated, and then realizes the circulating freezing resistance dehydration of sludge.
2. the sludge freeze thawing dewatering system as described in claim 1 based on solar semiconductor refrigeration heating technology, feature
It is, sludge pretreatment unit includes pretreatment storehouse and rabbling mechanism;
Rabbling mechanism includes motor, agitating shaft, multiple agitating paddles, first bearing and second bearing;
Be provided with vertical clapboard in pretreatment storehouse, vertical clapboard pretreatment storehouse is divided into from front to back motor place position and
Sludge agitation storehouse;
Motor is arranged in motor place position, and the shaft of agitating shaft and motor links;
First bearing level is installed on vertical clapboard, and runs through vertical clapboard;
Second bearing level is installed on the end plate of pretreatment storehouse;
The rear end of agitating shaft enters in sludge agitation storehouse through first bearing, and extends in second bearing;
Multiple agitating paddles are coaxially installed on agitating shaft, and the equidistantly distributed in the horizontal direction in sludge agitation storehouse.
3. the sludge freeze thawing dewatering system as claimed in claim 2 based on solar semiconductor refrigeration heating technology, feature
It is, the first side wall of the first side wall and level-one heating cabinet of second level cool chamber is oppositely arranged, and is closely provided between
First fixed plate;
The first side wall of level-one cool chamber and the first side wall of second level heating cabinet are oppositely arranged, and are closely provided between
Two fixed plates;
First semiconductor refrigerating unit is embedded in the first fixed plate, and cold and hot end exceeds the two of the first fixed plate respectively
Side, the cold end enter second level cool chamber after the first side wall through second level cool chamber, and the hot end is through level-one heating cabinet
Enter level-one heating cabinet after the first side wall;
Second semiconductor refrigerating unit is embedded in the second fixed plate, and cold and hot end exceeds the two sides of the second fixed plate respectively,
The cold end enters level-one cool chamber after the first side wall through level-one cool chamber, which is running through the first of second level heating cabinet
Enter second level heating cabinet after side wall.
4. the sludge freeze thawing dewatering system as claimed in claim 3 based on solar semiconductor refrigeration heating technology, feature
It is, the sludge freeze thawing dewatering system further includes sludge storing apparatus;
Pretreated sludge is shelved on level-one cool chamber, second level cool chamber, level-one heating cabinet and second level through sludge storing apparatus
In heating cabinet, and shift between level-one cool chamber, second level cool chamber, level-one heating cabinet and second level heating cabinet;
Sludge storing apparatus includes screen tray and sieve, and sieve is distributed and can integrally stretch in the axial direction of screen tray along the outer of screen tray
Contracting;
When pretreated sludge is freezed or heated, where screen tray is placed in it on bottom plate in storehouse;
The first overflow pipe and the are respectively arranged in the second sidewall of level-one heating cabinet and in the second sidewall of second level heating cabinet
The absolute altitude of two overflow pipes, the first overflow pipe and the second overflow pipe is respectively less than screen tray thickness.
5. the sludge freeze thawing dewatering system as claimed in claim 4 based on solar semiconductor refrigeration heating technology, feature
It is, the sludge freeze thawing dewatering system further includes cooling and warming time-controlling arrangement;
Cooling and warming time-controlling arrangement is used for according to preset control instruction, controls the first semiconductor refrigerating unit and the second half
The working time of conductor refrigeration unit.
6. the sludge freeze thawing dewatering system as claimed in claim 5 based on solar semiconductor refrigeration heating technology, feature
It is, the sludge freeze thawing dewatering system further includes temperature measuring device;
Temperature measuring device includes the first temperature sensing unit~the 4th temperature sensing unit, temperature data samwpling unit and temperature
Data display unit;
First temperature sensing unit~the 4th temperature sensing unit be respectively used to real-time measurement level-one cool chamber, second level cool chamber,
Temperature data in level-one heating cabinet and second level heating cabinet;
Temperature data samwpling unit is measured for the first temperature sensing unit of wireless collection~the 4th temperature sensing unit simultaneously
Temperature data;
Temperature data display unit is used for the collected temperature data of displays temperature data acquisition unit.
7. the sludge freeze thawing dewatering system as claimed in claim 6 based on solar semiconductor refrigeration heating technology, feature
It is, the sludge freeze thawing dewatering system further includes infrared thermal imaging device;
Infrared thermal imaging device is used for while acquiring and showing that level-one cool chamber, second level cool chamber, level-one heating cabinet and second level add
Infrared Thermogram inside hot storehouse;
Infrared thermal imaging device includes the first infrared detecting unit~the 4th infrared detecting unit;
It is infrared that first is respectively arranged in the warehouse lid of level-one cool chamber, second level cool chamber, level-one heating cabinet and second level heating cabinet
Observation window~the 4th infrared viewing window, the first infrared detecting unit~the 4th infrared detecting unit is respectively through the first infrared viewing window
~the four infrared viewing window receives the heat radiation in corresponding storehouse.
8. the sludge freeze thawing dewatering system as claimed in claim 7 based on solar semiconductor refrigeration heating technology, feature
It is, solar semiconductor refrigeration heating combined equipment further includes solar energy photoelectric conversion unit, numerical control matching unit and energy-storage units;
Solar energy photoelectric conversion unit is used to set by each electricity consumption that numerical control matching unit is the sludge freeze thawing dewatering system
Available electricity, and charge for energy-storage units;
Numerical control matching unit is used to make the electric energy of the sludge freeze thawing dewatering system to transmit and is in best match state always, and right
The overcharging of energy-storage units, over-discharge is controlled;
Energy-storage units are used for each electricity consumption when solar energy photoelectric conversion unit is without output for the sludge freeze thawing dewatering system
Equipment power supply;
Cooling and warming time-controlling arrangement controls the first semiconductor refrigerating unit and the second semiconductor system by numerical control matching unit
The working time of cold unit.
9. the sludge freeze thawing dewatering system as claimed in claim 8 based on solar semiconductor refrigeration heating technology, feature
It is, the cold and hot end of the cold and hot end of the first semiconductor refrigerating unit and the second semiconductor refrigerating unit is all made of wind
Cold, water cooling, heat pipe or the radiating mode of free convection;
Thermal insulation separation is provided in the inner and outer surfaces of level-one cool chamber, second level cool chamber, level-one heating cabinet and second level heating cabinet
Thermosphere;
First fixed plate and the second fixed plate are hard heat-insulating plate;
First infrared viewing window~the 4th infrared viewing window is all made of heat insulation glass and is made.
10. the sludge freeze thawing dewatering based on sludge freeze thawing dewatering system described in claim 1, which is characterized in that described
Sludge freeze thawing dewatering includes:
Step 1: by being sampled to obtain test sludge to pending mud, and using sludge pretreatment unit to being added with
Stalk fragment, zeolite granular, active carbon particle or waste iron filing test sludge be stirred, make to test sludge and be filled with additive
Divide mixing;
Step 2: pretreated test sludge is divided into first batch test sludge~the 4th batch experiment sludge in equal volume;
Step 3: successively being tested using second level cool chamber, level-one heating cabinet, second level heating cabinet and level-one cool chamber first batch
The circulating advanced treating that it is T hours the single treatment time that sludge, which carries out, until the moisture content of first batch test sludge reaches
Scheduled moisture content, and the optimal processing that the number of processes of circulating advanced treating link is denoted as first batch test sludge is secondary
Number;
Step 4: successively being tested using level-one cool chamber, second level cool chamber, level-one heating cabinet and second level heating cabinet second lot
The circulating advanced treating that it is T hours the single treatment time that sludge, which carries out, until the moisture content of second lot test sludge reaches
Scheduled moisture content, and the optimal processing that the number of processes of circulating advanced treating link is denoted as second lot test sludge is secondary
Number;
Step 5: successively using level-one heating cabinet, second level heating cabinet, level-one cool chamber and second level cool chamber to third batch experiment
The circulating advanced treating that it is T hours the single treatment time that sludge, which carries out, until the moisture content of third batch experiment sludge reaches
Scheduled moisture content, and the optimal processing that the number of processes of circulating advanced treating link is denoted as third batch experiment sludge is secondary
Number;
Step 6: successively using second level heating cabinet, level-one cool chamber, second level cool chamber and level-one heating cabinet to the 4th batch experiment
The circulating advanced treating that it is T hours the single treatment time that sludge, which carries out, until the moisture content of the 4th batch experiment sludge reaches
Scheduled moisture content, and the optimal processing that the number of processes of circulating advanced treating link is denoted as the 4th batch experiment sludge is secondary
Number;
Step 7: taking the average value of first batch test sludge~the 4th batch experiment sludge optimal processing number, and will be to
Average value after upper rounding is denoted as the optimal processing number of single batch sludge;
Step 8: taken out in remaining pending mud with the isometric sludge of test sludge, added in sludge same type,
Etc. quality additive, and sludge is stirred using sludge pretreatment unit, is sufficiently mixed sludge with additive;
Step 9: sludge to be divided into first batch sludge~the 4th batch sludge in equal volume;
Step 10: successively using second level cool chamber, level-one heating cabinet, second level heating cabinet and level-one cool chamber to first batch sludge
Circulating advanced treating is carried out, successively using level-one cool chamber, second level cool chamber, level-one heating cabinet and second level heating cabinet to second
Batch sludge carries out circulating advanced treating, successively using level-one heating cabinet, second level heating cabinet, level-one cool chamber and second level freezing
Storehouse carries out circulating advanced treating to third batch sludge, successively using second level heating cabinet, level-one cool chamber, second level cool chamber and
Level-one heating cabinet carries out circulating advanced treating to the 4th batch sludge;
The circulating advanced treating of four batch sludge carries out simultaneously, and the single treatment time of every batch of sludge is T hours, every batch of
The number of processes of the circulating advanced treating of secondary sludge is the optimal processing number of single batch sludge.
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