CN109368980A - It is a kind of using steam as the hollow paddle type sludge drying device and method of heat source - Google Patents
It is a kind of using steam as the hollow paddle type sludge drying device and method of heat source Download PDFInfo
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- CN109368980A CN109368980A CN201811569648.5A CN201811569648A CN109368980A CN 109368980 A CN109368980 A CN 109368980A CN 201811569648 A CN201811569648 A CN 201811569648A CN 109368980 A CN109368980 A CN 109368980A
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- steam
- groomed oar
- sludge
- blade
- shell
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- 239000010802 sludge Substances 0.000 title claims abstract description 72
- 238000001035 drying Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000012159 carrier gas Substances 0.000 claims abstract description 31
- 230000008676 import Effects 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims abstract description 4
- 239000004047 hole gas Substances 0.000 claims abstract description 3
- 238000012545 processing Methods 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000002910 solid waste Substances 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000002351 wastewater Substances 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
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)
- Drying Of Solid Materials (AREA)
Abstract
It is a kind of using steam as the hollow paddle type sludge drying device and method of heat source, belong to field of solid waste treating technology, wet mud entrance is separately connected at the top of shell, carrier gas outlet, emergency safety protection water spray import, temperature detecting point, access hole and carrier gas inlet, the bottom connection dewatered sludge outlet of shell, the side of shell connects motor, the output axis connection hollow blade axis of motor, positioned at the intracorporal hollow blade axis connection groomed oar blade of housing chamber, the other side of shell connects groomed oar rachis steam inlet, groomed oar rachis steam inlet connects groomed oar rachis condensate water discharging mouth, shell is connected with steam jacket, steam jacket has jacket steam import and collet condensate water discharging mouth.Phenomena such as being intermeshed between groomed oar blade on adjacent two axis of the present invention, can effectively prevent the gluing of the very big sludge of viscosity, glue wall, seize, realizes the automatically cleaning of drying machine, is particularly suitable for the higher municipal sludge of viscosity.
Description
Technical field
The present invention relates to a kind of using steam as the hollow paddle type sludge drying device and method of heat source, belongs to solid waste
Object processing technology field, the drying suitable for wet mud.
Background technique
With the quickening of rapid development of economy and urbanization process, quantity of wastewater effluent and treating capacity be always in recent years in China
In rising trend, as the spin-off of sewage disposal process, the yield of sewage treatment plants sludge also can be because of sewage load
Increase and processing standard increasingly strict and increase year by year.Under normal circumstances, sewage treatment plant handle 10,000 tons of sanitary sewages can
Generate 5-8 tons of sludge of moisture content 80%.Portion's statistical yearbook data are built according to living, end 2015, national cities and towns wet mud produces
Measuring (moisture content 80%) is 38,070,000 tons.It is predicted according to the network of rivers, with Development of China's Urbanization, the year two thousand twenty wet mud yield will be risen to
45470000 tons.
Processing disposition is carried out to sludge, no matter uses land use, burning, agricultural use or heat energy utilization mode, it is dirty
Mud desiccation is all important the first step, this makes sludge drying play the part of more and more important role in entire sludge management system.
In practical applications, sludge drying generally as the processing techniques such as land use, burning pre-treatment means and combine makes therewith
With, it is therefore intended that energy saving reduces subsequent storage and transportation and processing cost, reduces environmental pollution.Therefore, sludge drying technique has
Sizable market application space, according to E20 to the statistical data of current domestic 328 sludge marketization project, sludge drying
Technique accounts for 69.5% using rate.
The country starts late to the research of sludge drying technique, in all types of drying equipments, oar blade type desiccation skill
The art incoming domestic time relatively early, however the country to sludge blades formula drying equipment really still in conceptual phase, really possess
The independent intellectual property right and blade desiccation research achievement for having promotional value is also very limited.It is built and in the sludge blades built at present
The desiccation project overwhelming majority still uses foreign technology and import equipment, and there are cost height, discomfort for import equipment
Therefore the problem of answering Chinese municipal sludge characteristic it is low and to state to develop a set for the treatment of effeciency height, high degree of automation, price
The good sludge drying paddle-dryer of the adaptability of interior sludge becomes the task of top priority.
Summary of the invention
In order to solve the above technical problems, the present invention provide it is a kind of using steam as the hollow paddle type sludge drying device of heat source
And method, it can be used as the key facility of sludge anhydration burning processing system, fully achieve home-made equipment, while realizing that sludge is dry
Change the automation of technology controlling and process, and creates income by reducing input cost.
It is a kind of using steam as the hollow paddle type sludge drying device of heat source, be separately connected wet mud at the top of shell and enter
Mouth, carrier gas outlet, the import of emergency safety protection water spray, temperature detecting point, access hole and carrier gas inlet, the bottom connection of shell are dry
Sludge outlet, the side of shell connect motor, and the output axis connection hollow blade axis of motor is located at the intracorporal groomed oar of housing chamber
Rachis connects groomed oar blade, and the other side of shell connects groomed oar rachis steam inlet, the connection of groomed oar rachis steam inlet
Groomed oar rachis condensate water discharging mouth, shell are connected with steam jacket, and steam jacket has jacket steam import and collet condensed water
Discharge outlet.
Groomed oar rachis is two axis, and two groomed oar rachis horizontal Tiles are mounted in shell, and two motors are separately connected
Two groomed oar rachises, every motor independently drive a groomed oar rachis rotation.
The groomed oar blade of wedge shape is arranged on groomed oar rachis, groomed oar blade is connected with groomed oar rachis, groomed oar
Blade is divided into pulling flow type, choke type or mixing formula paddle blade.
It is a kind of using steam as the hollow paddle type sludge drying means of heat source, comprising the following steps:
Step 1), drying device realize the drying to wet mud by the way of indirect heating, and steam is steamed from collet respectively
Vapor inlet and groomed oar rachis steam inlet import in shell, groomed oar rachis and groomed oar blade with steam jacket, right
Heat needed for wet mud carries out desiccation is conducted to by inner walls, groomed oar rachis and groomed oar blade with steam jacket
Wet mud enables sludge desiccation；
Step 2), two motors drive two groomed oar rachises and groomed oar blade to rotate respectively.Wet mud continuous and quantitative
By wet mud entrance be added drying machine in, groomed oar blade stirring, mixing with dispersion under the action of, sludge obtains desiccation simultaneously
Dewatered sludge is delivered to by groomed oar blade to export and be discharged outside machine；
Step 3), steam jacket steam condensed after heat transfer exchanges heat, condensed water by collet condensate water discharging mouth be discharged,
Steam in groomed oar rachis and groomed oar blade condenses after heat transfer exchanges heat, and condensed water is by groomed oar rachis condensate water discharging
Mouth discharge；
Step 4), sludge drying generate wet carrier gas by carrier gas export be discharged, the wet carrier gas in part after processing by carrier gas into
Mouth is back to drying device, realizes recycling for carrier gas；
Step 5) is equipped with emergency safety protection water jet and temperature detecting point on the tail portion shell of drying device, works as temperature
When degree detection is more than preset temperature, emergency safety protects water injection system starting, protects equipment safety.
Step 6), according to DIFFERENT WET sludge conditioning charging rate, the revolving speed of axis and heat carrier temperature etc., and then adjust wet dirt
The mud residence time.
It is intermeshed between groomed oar blade in step 7), adjacent two axis, can effectively prevent the glue of the very big sludge of viscosity
Phenomena such as gluing, gluing wall, seize, realizes the automatically cleaning of drying machine.
Compared with prior art the invention has the benefit that
Drying device avoids wet mud from guaranteeing the cleaning of steam to the pollution of heating steam by the way of indirect heating,
Be conducive to utilization of the entire sludge treating system to steam condensate (SC)；
Wet mud is in inner walls, the triple conduction of heat of groomed oar rachis and groomed oar blade for having steam jacket
Lower carry out desiccation, drying efficiency are high；
Be intermeshed between groomed oar blade on adjacent two axis, can effectively prevent the gluing of the very big sludge of viscosity, viscous wall,
Phenomena such as seizing realizes the automatically cleaning of drying machine, is particularly suitable for the higher municipal sludge of viscosity；
The front end of groomed oar rachis is equipped with blade, plays the role of adjusting sludge each position residence time in drying machine,
It can be realized according to sludge quality by changing its angle.
It is equipped with emergency safety protection water spray import and temperature detecting point on the tail portion shell of drying device, works as temperature detection
When more than preset temperature, emergency safety protects water injection system starting, improves the security reliability of equipment operation.
The wet carrier gas that sludge drying generates is exported by carrier gas and is discharged, and the wet carrier gas in part is back to dry dress by carrier gas inlet
It sets, realizes recycling for carrier gas.
When drying machine is run, inside forms micro-vacuum state, and avoiding carrier gas from spilling into workshop will cause environmental pollution, and right
Human body is harmful.
Wet mud wide adaptability, uniform drying, and can be carried according to DIFFERENT WET sludge conditioning charging rate, the revolving speed of axis and heat
Temperature etc., and then the wet mud residence time is adjusted, it is required with adapting to difficult dry wet mud and the dry of high-moisture wet mud.
Detailed description of the invention
When considered in conjunction with the accompanying drawings, by referring to following detailed description, the present invention can be more completely and better understood with
And be easy to learn many adjoint advantages, but the drawings described herein are used to provide a further understanding of the present invention,
A part of the invention is constituted, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, does not constitute to this hair
Bright improper restriction is such as schemed wherein:
Fig. 1 is a kind of using steam as the side of the hollow paddle type sludge drying device of heat source described in the embodiment of the present invention
Structural schematic diagram；
Fig. 2 is a kind of using steam as the section of the hollow paddle type sludge drying device of heat source described in the embodiment of the present invention
Structural schematic diagram.
Specific embodiment
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being arranged used in specification of the invention
Diction " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when claiming element, group
When part is "connected" to another element, component, it can be directly connected to other elements perhaps component or there may also be in
Between element or component.Wording "and/or" used herein includes one or more associated any cells for listing item
With whole combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term) there is meaning identical with the general understanding of the those of ordinary skill in fields.
Convenient for the understanding to embodiment, to be further explained explanation below, and each embodiment is not constituted to this
The restriction of invention.
Embodiment 1: as shown in Figure 1 and Figure 2, a kind of using steam as the hollow paddle type sludge drying device of heat source, shell 1
Top be separately connected wet mud entrance 5, carrier gas outlet 12, emergency safety protection water spray import 13, temperature detecting point 14, maintenance
Mouth 15 and carrier gas inlet 11, the bottom connection dewatered sludge outlet 6 of shell 1, the side of shell 1 connects motor 3, the output of motor 3
Axis connection groomed oar rachis 2 is located at the intracorporal groomed oar rachis 2 of 1 chamber of shell and connects groomed oar blade 4, and the other side of shell 1 connects
Groomed oar rachis steam inlet 7 is connect, groomed oar rachis steam inlet 7 connects groomed oar rachis condensate water discharging mouth 9, and shell 1 connects
It is connected to steam jacket, steam jacket has jacket steam import 8 and collet condensate water discharging mouth 10.
Groomed oar rachis 2 is two axis, and two 2 horizontal Tiles of groomed oar rachis are mounted in shell 1, and two motors 3 are distinguished
Two groomed oar rachises 2 are connected, every motor 3 is independent to drive a groomed oar rachis 2 to rotate.
The groomed oar blade 4 of wedge shape, wedge-shaped groomed oar blade 4 and 2 phase of groomed oar rachis are arranged on groomed oar rachis 2
Even, groomed oar blade 4 divides for pulling flow type, choke type or mixing formula paddle blade, can each serve as in the different parts of drying machine
It promotes sludge, prevent sludge from advancing, the effect of mixed material.
Embodiment 2: as shown in Figure 1 and Figure 2, a kind of using steam as the hollow paddle type sludge drying device of heat source, including band
There is the shell 1 of steam jacket, groomed oar rachis 2, motor 3, groomed oar blade 4, wet mud entrance 5, dewatered sludge outlet 6, hollow
Paddle shaft steam inlet 7, jacket steam import 8, groomed oar rachis condensate water discharging mouth 9, collet condensate water discharging mouth 10, carrier gas
Import 11, carrier gas outlet 12, emergency safety protection water spray import 13, temperature detecting point 14, access hole 15.
Of the invention is a kind of using steam as the hollow paddle type sludge drying device of heat source, and the drying device is by with steaming
The shell 1 of vapour collet and groomed oar rachis 2 and motor 3 form, and groomed oar rachis 2 is two axis.
Of the invention is a kind of using steam as the hollow paddle type sludge drying device of heat source, arranges on the groomed oar rachis 2
It arranges wedge hollow blade piece 4 and is connected with groomed oar rachis 2, groomed oar blade is divided into pulling flow type, choke type, mixing formula paddle
Blade can each serve as in the different parts of drying machine and promote sludge, prevent sludge from advancing, the effect of mixed material.
Embodiment 3: of the invention is a kind of using steam as the hollow paddle type sludge drying means of heat source, including following step
It is rapid:
Step 1), drying device realize the drying to wet mud by the way of indirect heating, and steam is steamed from collet respectively
Vapor inlet 8 and groomed oar rachis steam inlet 6 import shell 1, groomed oar rachis 2 and the groomed oar blade 4 for having steam jacket
Interior, heat needed for carrying out desiccation to wet mud is by 1 inner wall of shell, groomed oar rachis 2 and hollow blade with steam jacket
Piece 4 is conducted to wet mud, enables sludge desiccation；When operation, dryer inner forms micro-vacuum state；
Step 2), two motors 3 drive two groomed oar rachises 2 and groomed oar blade 4 to rotate respectively.Wet mud is continuously fixed
Amount is added in drying machine by wet mud entrance 5, and under the action of the stirring of groomed oar blade 4, mixing are with dispersion, sludge is done
Change and is delivered to dewatered sludge outlet 6 by groomed oar blade 4 and is discharged outside machine；
Step 3), steam jacket steam condensed after heat transfer exchanges heat, condensed water is by 10 row of collet condensate water discharging mouth
Out, the steam in groomed oar rachis 2 and groomed oar blade 4 condenses after heat transfer exchanges heat, and condensed water is condensed by groomed oar rachis
Water discharge outlet 9 is discharged；
The wet carrier gas that step 4), sludge drying generate is by 12 discharge of carrier gas outlet, and the wet carrier gas in part is after processing by carrier gas
Import 11 is back to drying device, realizes recycling for carrier gas；
Step 5) is equipped with emergency safety protection water spray import 13 and temperature detecting point on the tail portion shell of drying device
14, when temperature detection is more than preset temperature, emergency safety protects water injection system starting, protects equipment safety.
Step 6), according to DIFFERENT WET sludge conditioning charging rate, the revolving speed of axis and heat carrier temperature etc., and then adjust wet dirt
The mud residence time.
It is intermeshed between groomed oar blade 4 in step 7), adjacent two axis, can effectively prevent the glue of the very big sludge of viscosity
Phenomena such as gluing, gluing wall, seize, realizes the automatically cleaning of drying machine.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of using steam as the hollow paddle type sludge drying device of heat source, it is characterised in that be separately connected at the top of shell wet
Sludge inlet, carrier gas outlet, the import of emergency safety protection water spray, temperature detecting point, access hole and carrier gas inlet, the bottom of shell
Dewatered sludge outlet is connected, the side of shell connects motor, and it is intracorporal to be located at housing chamber for the output axis connection hollow blade axis of motor
Hollow blade axis connection groomed oar blade, the other side of shell connect groomed oar rachis steam inlet, groomed oar rachis steam into
Mouth connection groomed oar rachis condensate water discharging mouth, shell are connected with steam jacket, and steam jacket has jacket steam import and collet
Condensate water discharging mouth.
2. according to claim 1 a kind of using steam as the hollow paddle type sludge drying device of heat source, it is characterised in that
Groomed oar rachis is two axis, and two groomed oar rachis horizontal Tiles are mounted in shell, two motors be separately connected two it is hollow
Paddle shaft, every motor independently drive a groomed oar rachis rotation.
3. according to claim 1 a kind of using steam as the hollow paddle type sludge drying device of heat source, it is characterised in that
The groomed oar blade of wedge shape is arranged on groomed oar rachis, groomed oar blade is connected with groomed oar rachis, and groomed oar blade is divided into
Pulling flow type, choke type or mixing formula paddle blade.
4. a kind of using steam as the hollow paddle type sludge drying means of heat source, it is characterised in that the following steps are included:
Step 1), drying device realize drying to wet mud by the way of indirect heating, steam respectively from jacket steam into
Mouth and groomed oar rachis steam inlet import in shell, groomed oar rachis and groomed oar blade with steam jacket, to wet dirt
Heat needed for mud carries out desiccation is conducted to wet dirt by inner walls, groomed oar rachis and groomed oar blade with steam jacket
Mud enables sludge desiccation；
Step 2), two motors drive two groomed oar rachises and groomed oar blade to rotate respectively.Wet mud continuous and quantitative by
Wet mud entrance is added in drying machine, and under the action of the stirring of groomed oar blade, mixing are with dispersion, sludge obtains desiccation and by sky
Heart paddle blade is delivered to dewatered sludge and exports and be discharged outside machine；
Step 3), steam jacket steam condensed after heat transfer exchanges heat, condensed water by collet condensate water discharging mouth be discharged, it is hollow
Steam in paddle shaft and groomed oar blade condenses after heat transfer exchanges heat, and condensed water is arranged by groomed oar rachis condensate water discharging mouth
Out；
The wet carrier gas that step 4), sludge drying generate is exported by carrier gas to be discharged, and the wet carrier gas in part is returned by carrier gas inlet after processing
It is back to drying device, realizes recycling for carrier gas；
Step 5) is equipped with emergency safety protection water jet and temperature detecting point on the tail portion shell of drying device, when temperature is examined
When surveying more than preset temperature, emergency safety protects water injection system starting, protects equipment safety.
Step 6), according to DIFFERENT WET sludge conditioning charging rate, the revolving speed of axis and heat carrier temperature etc., and then adjust wet mud and stop
Stay the time.
It is intermeshed between groomed oar blade in step 7), adjacent two axis, can effectively prevent the gluing of the very big sludge of viscosity, glues
Wall, phenomena such as seizing, realize the automatically cleaning of drying machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569648.5A CN109368980A (en) | 2018-12-21 | 2018-12-21 | It is a kind of using steam as the hollow paddle type sludge drying device and method of heat source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569648.5A CN109368980A (en) | 2018-12-21 | 2018-12-21 | It is a kind of using steam as the hollow paddle type sludge drying device and method of heat source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109368980A true CN109368980A (en) | 2019-02-22 |
Family
ID=65371748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811569648.5A Pending CN109368980A (en) | 2018-12-21 | 2018-12-21 | It is a kind of using steam as the hollow paddle type sludge drying device and method of heat source |
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| Country | Link |
|---|---|
| CN (1) | CN109368980A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112047607A (en) * | 2020-09-08 | 2020-12-08 | 江苏华俊环保科技有限公司 | Closed paddle stirring sludge drying system |
| CN115183534A (en) * | 2022-06-23 | 2022-10-14 | 华能国际电力股份有限公司大连电厂 | Hollow blade type drying machine |
| CN115572034A (en) * | 2022-11-10 | 2023-01-06 | 苏州环职安环境工程技术有限公司 | Full-automatic sludge reduction device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112047607A (en) * | 2020-09-08 | 2020-12-08 | 江苏华俊环保科技有限公司 | Closed paddle stirring sludge drying system |
| CN115183534A (en) * | 2022-06-23 | 2022-10-14 | 华能国际电力股份有限公司大连电厂 | Hollow blade type drying machine |
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| CN115572034A (en) * | 2022-11-10 | 2023-01-06 | 苏州环职安环境工程技术有限公司 | Full-automatic sludge reduction device |
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