CN107540184A - A kind of sludge wedge shape blade dryer and its drying means - Google Patents
A kind of sludge wedge shape blade dryer and its drying means Download PDFInfo
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- CN107540184A CN107540184A CN201610486866.7A CN201610486866A CN107540184A CN 107540184 A CN107540184 A CN 107540184A CN 201610486866 A CN201610486866 A CN 201610486866A CN 107540184 A CN107540184 A CN 107540184A
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- Prior art keywords
- sludge
- wedge
- wedge shape
- blade dryer
- outlet
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- 239000010802 sludge Substances 0.000 title claims abstract description 69
- 238000001035 drying Methods 0.000 title claims abstract description 37
- 239000010865 sewage Substances 0.000 claims abstract description 25
- 238000005201 scrubbing Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 239000011345 viscous material Substances 0.000 claims description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 6
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 6
- 239000004571 lime Substances 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 6
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229940097275 indigo Drugs 0.000 description 1
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of sludge wedge shape blade dryer sludge wedge shape blade dryer, and it includes charger, scrubbing tower and the interior wedge-shaped blade dryer with Loop Seal for setting hot axle, wedge-shaped blade and chuck.Charging aperture, exhaust outlet are respectively equipped with the top of the wedge-shaped blade dryer with Loop Seal, its side is provided with the swivel joint being connected with thermal medium entrance, and its opposite side is provided with thermal medium outlet, and its bottom is respectively equipped with discharging opening, condensing water conduit；The hot axle is connected with the motor with reductor；The charger is located at the top of the charging aperture；The top of the scrubbing tower is connected with air-introduced machine by pipeline, and its side, which is respectively equipped with, rinses water inlet, gas inlet, and its opposite side is respectively equipped with sewage inlet, outlet of sewer；The gas inlet is connected with the exhaust outlet；The outlet of sewer is connected through sewage pump with the sewage inlet.Meanwhile the invention also discloses the drying means of the drying machine.Energy consumption of the present invention is small, efficiency high.
Description
Technical field
The present invention relates to drying sludge technical field, more particularly to a kind of sludge wedge shape blade dryer and its drying side
Method.
Background technology
At present, the desiccation to sludge both at home and abroad uses thermal conductivity drying equipment and hot air type drying equipment mostly.Due to
Sludge moisture content is high（Generally higher than 50%, up to 90%）, viscosity it is big, above-mentioned drying means often occurs viscous wall and showed in production
As, it is necessary to periodic cleaning.Wherein：Fluid bed dryer is then required before drying in advance in one layer of bed upper berth siccative, using effect
It is very undesirable；Hot air type energy consumption for drying is very big, and substantial amounts of waste gas is produced after drying, and exhaust treatment system is very huge, and easily
Produce secondary pollution.
The content of the invention
The technical problems to be solved by the invention are to provide that a kind of energy consumption is small, sludge wedge shape blade dryer of efficiency high.
Another technical problem to be solved by this invention is to provide the drying means of the sludge wedge shape blade dryer.
A kind of to solve the above problems, sludge wedge shape blade dryer of the present invention, it is characterised in that：It includes adding
Material machine, scrubbing tower and the interior wedge-shaped blade dryer with Loop Seal for setting hot axle, wedge-shaped blade and chuck；The band returning charge machine
Charging aperture, exhaust outlet are respectively equipped with the top of the wedge-shaped blade dryer of structure, its side is provided with the rotation being connected with thermal medium entrance
Adapter, its opposite side are provided with thermal medium outlet, and its bottom is respectively equipped with discharging opening, condensing water conduit；The hot axle subtracts with band
The motor of fast machine is connected；The charger is located at the top of the charging aperture；The top of the scrubbing tower is connected with by pipeline draws
Blower fan, its side, which is respectively equipped with, rinses water inlet, gas inlet, and its opposite side is respectively equipped with sewage inlet, outlet of sewer；It is described
Gas inlet is connected with the exhaust outlet；The outlet of sewer is connected through sewage pump with the sewage inlet.
The charger refers to the viscous materials conveyer of single-screw conveyer or cross-compound arrangement.
The quantity of the hot axle is intermeshing two axle or four axles.
The wedge-shaped blade dryer with Loop Seal is set by 1 ~ 3 degree of inclination angle.
A kind of drying means of sludge wedge shape blade dryer as described above, comprises the following steps：
(1) moisture content>50% sludge is continuously and uniformly added to the wedge-shaped blade with Loop Seal by charger from charging aperture
In drying machine, meanwhile, saturated vapor is entered in hot axle, wedge-shaped blade and chuck by the rotated joint of thermal medium entrance, by heat
Amount is indirectly transferred to the sludge, and the hot axle makes the sludge be squeezed and relax by the driving of motor and reductor
Alternating action, and promote wet part evaporation in the sludge, respectively obtain dewatered sludge that moisture content is≤30%, dry containing wet part
Dry tail gas, jacket steam lime set and axle and the dried steam condensate of blade；The dewatered sludge that the moisture content is≤30% is through discharging
Mouth discharge；The jacket steam lime set is discharged by condensing water conduit；The dried steam condensate of axle and blade is situated between through heat
Matter outlet discharge；
(2) the drying tail gas containing wet part is discharged from exhaust outlet, and enters scrubbing tower through gas inlet；Now, flushing water is by institute
The flushing water inlet for stating scrubbing tower enters the scrubbing tower, through washing dedusting, go out it is smelly after, respectively obtain sewage and tail gas；It is described
Tail gas is vented by pipeline through air-introduced machine；The sewage by outlet of sewer through sewage pump circulation, by sewage inlet to the washing
In tower.
The step (1) in sludge refer to industrial sludge and domestic sludge.
The step (1) in saturated vapor replaced by conduction oil or the hot water of temperature >=80 DEG C.
The present invention has advantages below compared with prior art：
1st, charger refers to the viscous materials conveyer of single-screw conveyer or cross-compound arrangement in the present invention, therefore, can be according to dirt
Mud composition, the difference selection single-screw conveyer of viscosity or the viscous materials conveyer of cross-compound arrangement.
2nd, the drying machine in the present invention has selected the wedge-shaped blade dryer with Loop Seal, and the drying machine has stirring equal
Even, the features such as drying effect is good, it is reliable to operate steadily, energy consumption is low, cost is low, be successfully applied to molecular sieve, nano-calcium carbonate,
The drying of nano-aluminum hydroxide, polyvinyl alcohol, nano-sized magnesium hydroxide, kaolin and the inorganic and organic viscous material such as indigo.Through
Cross the experimental study to municipal sludge and industrial sludge drying, it was demonstrated that the drying machine is very suitable for the dry of high-viscosity sludge
It is dry（Referring to table 1）.
Table 1 tests the moisture content of front and rear various sludge
The result that blade drying test research is carried out for biochemical sludge, oiliness sludge, domestic sludge and catalysis sludge shows：Thing
Expect good fluidity, wedge-shaped blade dryer smooth running, material is without significantly viscous wall and arch formation.
3rd, foul gas being produced after drying sludge can pollute.But at present to the processing method such as burning of foul gas
Method, oxidizing process, absorption process, absorption method, neutralisation and bioanalysis etc. all can not thoroughly solve problem.Using the inventive method through wedge
The tail gas dust entrainment discharged in shape blade drying process is small, and again passes by scrubbing tower washing dedusting, after deodorization, significantly
Reduce the pollution to environment.
4th, the present invention is that a kind of indirectly heat stirs energy-saving dry technology, is for the high moisture content of sludge, high viscosity
The drying process complete set technology that characteristic is formed, it is applicable to the industry such as oil product sludge, catalysis sludge, chemical sludge, biochemical sludge
The drying of sludge and domestic sludge.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention.
In figure：1-charger；2-wedge-shaped the blade dryer with Loop Seal；3-charging aperture；4-thermal medium entrance；
5-swivel joint；6-hot axle；7-chuck；8-discharging opening；9-condensing water conduit；10-thermal medium outlet；11-exhaust
Mouthful；12-scrubbing tower；13-air-introduced machine；14-sewage pump.
Embodiment
As shown in figure 1, a kind of sludge wedge shape blade dryer, it includes charger 1, scrubbing tower 12 and interior sets hot axle 6, wedge
The wedge-shaped blade dryer 2 with Loop Seal of shape blade and chuck 7.
The top of wedge-shaped blade dryer 2 with Loop Seal is respectively equipped with charging aperture 3, exhaust outlet 11, and its side is provided with
The swivel joint 5 being connected with thermal medium entrance 4, its opposite side are provided with thermal medium outlet 10, its bottom be respectively equipped with discharging opening 8,
Condensing water conduit 9；Hot axle 6 is connected with the motor with reductor；Charger 1 is located at the top of charging aperture 3；The top of scrubbing tower 12
Air-introduced machine 13 is connected with by pipeline, its side, which is respectively equipped with, rinses water inlet, gas inlet, and its opposite side is respectively equipped with sewage and entered
Mouth, outlet of sewer；Gas inlet is connected with exhaust outlet 11；Outlet of sewer is connected through sewage pump 14 with sewage inlet.
Wherein：
Charger 1 refers to the viscous materials conveyer of single-screw conveyer or cross-compound arrangement.
The quantity of hot axle 6 is intermeshing two axle or four axles.
Wedge-shaped blade dryer 2 with Loop Seal is set by 1 ~ 3 degree of inclination angle.
The drying means of the sludge wedge shape blade dryer, comprises the following steps：
(1) moisture content>50% sludge is continuously and uniformly added to the wedge-shaped oar with Loop Seal by charger 1 from charging aperture 3
Leaf drying machine 2（ZL 01265998.3）In, meanwhile, saturated vapor by the rotated joint 5 of thermal medium entrance 4 enter hot axle 6,
In wedge-shaped blade and chuck 7, heat is indirectly transferred to sludge, hot axle 6 by motor and reductor driving, make sludge by
Extruding and the alternating action of relaxation, and promote wet part evaporation in sludge, respectively obtain dewatered sludge that moisture content is≤30%, containing wet
The drying tail gas, jacket steam lime set and axle and the dried steam condensate of blade of part.
The dewatered sludge that moisture content is≤30% is discharged through discharging opening 8；Jacket steam lime set is discharged by condensing water conduit 9；Axle
Discharged with the dried steam condensate of blade through thermal medium outlet 10.
Sludge refers to industrial sludge and the domestic sludges such as oil product sludge, catalysis sludge, chemical sludge, biochemical sludge.
Charger 1 refers to the viscous materials conveyer of single-screw conveyer or cross-compound arrangement.The less sludge of viscosity can be adopted
With single-screw conveyer；The larger sludge of viscosity, easily seize, build bridge and clogging, using the viscosity of cross-compound arrangement
Material conveyor.
Saturated vapor is replaced by conduction oil or the hot water of temperature >=80 DEG C.
(2) the drying tail gas containing wet part is discharged from exhaust outlet 11, and enters scrubbing tower 12 through gas inlet；Now, flushing water
Scrubbing tower 12 is entered by the flushing water inlet of scrubbing tower 12, through washing dedusting, go out it is smelly after, respectively obtain sewage and tail gas.
Tail gas is vented by pipeline through air-introduced machine 13；Sewage is circulated by outlet of sewer through sewage pump 14, by sewage inlet extremely
In scrubbing tower 12.
Claims (7)
- A kind of 1. sludge wedge shape blade dryer, it is characterised in that：It includes charger（1）, scrubbing tower（12）And interior set hot axle （6）, wedge-shaped blade and chuck（7）The wedge-shaped blade dryer with Loop Seal（2）；The wedge-shaped blade with Loop Seal Drying machine（2）Top be respectively equipped with charging aperture（3）, exhaust outlet（11）, its side is provided with and thermal medium entrance（4）Connected rotation Adapter（5）, its opposite side is provided with thermal medium outlet（10）, its bottom is respectively equipped with discharging opening（8）, condensing water conduit（9）；Institute State hot axle（6）It is connected with the motor with reductor；The charger（1）It is located at the charging aperture（3）Top；The scrubbing tower （12）Top air-introduced machine is connected with by pipeline（13）, its side, which is respectively equipped with, rinses water inlet, gas inlet, its opposite side point She You not sewage inlet, outlet of sewer；The gas inlet and the exhaust outlet（11）It is connected；The outlet of sewer is through sewage pump （14）It is connected with the sewage inlet.
- A kind of 2. sludge wedge shape blade dryer as claimed in claim 1, it is characterised in that：The charger（1）Refer to list The viscous materials conveyer of conveying worm or cross-compound arrangement.
- A kind of 3. sludge wedge shape blade dryer as claimed in claim 1, it is characterised in that：The hot axle（6）Quantity be Intermeshing two axles or four axles.
- A kind of 4. sludge wedge shape blade dryer as claimed in claim 1, it is characterised in that：The wedge shape with Loop Seal Blade dryer（2）Set by 1 ~ 3 degree of inclination angle.
- 5. a kind of drying means of sludge wedge shape blade dryer as claimed in claim 1, comprises the following steps：(1) moisture content>50% sludge passes through charger（1）Continuously and uniformly from charging aperture（3）It is added to the wedge with Loop Seal Shape blade dryer（2）In, meanwhile, saturated vapor passes through thermal medium entrance（4）Rotated joint（5）Into hot axle（6）, wedge shape Blade and chuck（7）In, heat is indirectly transferred to the sludge, the hot axle（6）By the driving of motor and reductor, make The alternating action that the sludge is squeezed and relaxed, and promote wet part evaporation in the sludge, respectively obtain moisture content for≤ 30% dewatered sludge, the drying tail gas containing wet part, jacket steam lime set and axle and the dried steam condensate of blade；It is described wet to contain The dewatered sludge for≤30% is measured through discharging opening（8）Discharge；The jacket steam lime set passes through condensing water conduit（9）Discharge；The axle With the dried steam condensate of blade through thermal medium outlet（10）Discharge；(2) the drying tail gas containing wet part is from exhaust outlet（11）Discharge, and enter scrubbing tower through gas inlet（12）；Now, rush Wash water is by the scrubbing tower（12）Flushing water inlet enter the scrubbing tower（12）, through washing dedusting, go out it is smelly after, respectively obtain Sewage and tail gas；The tail gas is by pipeline through air-introduced machine（13）Emptying；The sewage is by outlet of sewer through sewage pump（14）Follow Ring, by sewage inlet to the scrubbing tower（12）In.
- A kind of 6. drying means of sludge wedge shape blade dryer as claimed in claim 5, it is characterised in that：The step is (1) In sludge refer to industrial sludge and domestic sludge.
- A kind of 7. drying means of sludge wedge shape blade dryer as claimed in claim 5, it is characterised in that：The step is (1) In saturated vapor replaced by conduction oil or the hot water of temperature >=80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486866.7A CN107540184A (en) | 2016-06-29 | 2016-06-29 | A kind of sludge wedge shape blade dryer and its drying means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610486866.7A CN107540184A (en) | 2016-06-29 | 2016-06-29 | A kind of sludge wedge shape blade dryer and its drying means |
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| CN107540184A true CN107540184A (en) | 2018-01-05 |
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| CN201610486866.7A Pending CN107540184A (en) | 2016-06-29 | 2016-06-29 | A kind of sludge wedge shape blade dryer and its drying means |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117241A (en) * | 2018-02-02 | 2018-06-05 | 厦门大学 | A kind of mud drying device |
| CN108507337A (en) * | 2018-05-30 | 2018-09-07 | 谢先锋 | Full automatic high efficiency drying device and its drying means |
| CN111117708A (en) * | 2020-01-21 | 2020-05-08 | 恒力石化（大连）炼化有限公司 | Coal water slurry gasification fine ash treatment system and process |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1843985A (en) * | 2005-04-08 | 2006-10-11 | 兰州瑞德干燥技术有限公司 | Method for drying sludge by blade drier |
-
2016
- 2016-06-29 CN CN201610486866.7A patent/CN107540184A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1843985A (en) * | 2005-04-08 | 2006-10-11 | 兰州瑞德干燥技术有限公司 | Method for drying sludge by blade drier |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117241A (en) * | 2018-02-02 | 2018-06-05 | 厦门大学 | A kind of mud drying device |
| CN108507337A (en) * | 2018-05-30 | 2018-09-07 | 谢先锋 | Full automatic high efficiency drying device and its drying means |
| CN111117708A (en) * | 2020-01-21 | 2020-05-08 | 恒力石化（大连）炼化有限公司 | Coal water slurry gasification fine ash treatment system and process |
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Application publication date: 20180105 |
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