CN107935350A - A kind of new sludge drying device - Google Patents
A kind of new sludge drying device Download PDFInfo
- Publication number
- CN107935350A CN107935350A CN201711408718.4A CN201711408718A CN107935350A CN 107935350 A CN107935350 A CN 107935350A CN 201711408718 A CN201711408718 A CN 201711408718A CN 107935350 A CN107935350 A CN 107935350A
- Authority
- CN
- China
- Prior art keywords
- gas
- dryer
- gas pipeline
- material preheating
- sludge drying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 50
- 238000001035 drying Methods 0.000 title claims abstract description 30
- 239000007789 gas Substances 0.000 claims abstract description 100
- 239000000463 material Substances 0.000 claims abstract description 46
- 239000000446 fuel Substances 0.000 claims abstract description 26
- 239000007787 solid Substances 0.000 claims abstract description 16
- 241000628997 Flos Species 0.000 claims abstract description 7
- 230000008676 import Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 9
- 239000002912 waste gas Substances 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000006641 stabilisation Effects 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention provides a kind of new sludge drying device, including a dryer, dryer is connected by the first gas pipeline with a high-temperature incinerator；Fresh air passage and fuel channel are provided with high-temperature incinerator；The feed inlet of dryer is connected with the discharge port of a material preheating device；Wet stock import is provided with material preheating device, and material preheating device is connected by the second gas pipeline with high-temperature incinerator；The discharge port of dryer is connected with a solid and gas separator, and solid and gas separator is connected by the 3rd gas pipeline with material preheating device；The 4th gas pipeline is connected with first gas pipeline, 4th gas pipeline is connected with a heat-energy recovering apparatus, heat-energy recovering apparatus is connected by the 5th gas pipeline with material preheating device, heat-energy recovering apparatus is connected with an emission-control equipment, and uncontaminated gases floss hole is provided with emission-control equipment.The new sludge drying device reduces the consumption of fuel reducing while exhaust gas discharge.
Description
Technical field
The present invention relates to sludge treatment field, and in particular to a kind of new sludge drying device.
Background technology
Sludge is the product after sewage disposal, is that one kind is made of organic debris, microorganism, inorganic particle, colloid etc.
Extremely complex heterogeneous body.The key property of sludge is that moisture content is high (up to more than 99%), and high organic content, holds
Easily degenerate smelly, and particle is thinner, and proportion is smaller, jelly liquid.It is the concentrated thing between liquid and solid, can
To be transported with pump, but it is difficult to carry out separation of solid and liquid by settling.
Harm of the sludge to environment mainly includes deteriorating source quality, contaminated soil and crops etc.；As people give birth to
The flat raising of running water and production-scale expansion, the harmfulness of this polluter of sludge are also increasingly apparent.The applicable place of sludge
Reason technology should make reducing sludge volume, stabilisation and innoxious, if be left unrestricted and uncurbed, its consequence is hardly imaginable.
Sludge is dried it is well known that the furnace drying method of traditional sludge is all flue gas or steam, gas after drying
Body is just expelled directly out, and so causes fuel availability not high and environment is polluted seriously.
The content of the invention
In order to solve the above technical problem, the present invention provides a kind of new sludge drying device.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of new sludge drying device, including a dryer, the dryer are high by the first gas pipeline and one
Warm incinerator connection；Fresh air passage and fuel channel are provided with the high-temperature incinerator；The feed inlet of the dryer
It is connected with the discharge port of a material preheating device；Wet stock import is provided with the material preheating device, and the material is pre-
Thermal is connected by the second gas pipeline with the high-temperature incinerator；The discharge port of the dryer and a solid and gas separator
Connection, the solid and gas separator are connected by the 3rd gas pipeline with the material preheating device；First gas pipeline
On be connected with the 4th gas pipeline, the 4th gas pipeline is connected with a heat-energy recovering apparatus, and the heat-energy recovering apparatus leads to
Cross the 5th gas pipeline to be connected with the material preheating device, the heat-energy recovering apparatus is connected with an emission-control equipment, institute
State and uncontaminated gases floss hole is provided with emission-control equipment.
Preferably, the dryer is cylindrical dryer.
Preferably, fuel spray is provided with the port of one end that the fuel channel is extend into the high-temperature incinerator
Rifle mouth.
Preferably, it is provided with material device for thinning in the material preheating device.
Preferably, connected between first gas pipeline and the 4th gas pipeline by a gas distribution valve.
Preferably, the emission-control equipment includes dust-extraction unit and desulfurizer, the exhaust gas inlet of the dust-extraction unit
It is connected with the waste gas outlet of the heat-energy recovering apparatus, the exhaust gas inlet of the desulfurizer and the exhaust gas of the dust-extraction unit go out
Mouth connects, and the uncontaminated gases floss hole is provided with the top of the desulfurizer.
Preferably, the dust-extraction unit is spray column, and the bottom of the spray column is provided with a sink, the sink connection
There is a water circulating pump, the water outlet of the water circulating pump extend into the top of the spray column by a water pipeline, described to send
The part that waterpipe stretches into inner cavity at the top of first spray column is provided with multiple nozzles.
Compared with prior art, one or more technical solutions provided by the invention at least have the following technical effects or advantages：
A kind of new sludge drying device provided by the invention will preheat and during drying sludge in sludge the exhaust gas that produces into
Row is recycled and burned, and the heat that the organic matter in exhaust gas produces during burning is also used to dry together, is reducing exhaust gas
Reduce the consumption of fuel while discharge.
Further, a kind of new sludge drying device provided by the invention by heat-energy recovering apparatus by the heat of discharge
Recycle and be used for wet stock prebake, further increase heat utilization efficiency.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of new sludge drying device provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of emission-control equipment in the embodiment of the present invention.
Embodiment
An embodiment of the present invention provides a kind of new sludge drying device, including a dryer, the dryer to pass through
First gas pipeline is connected with a high-temperature incinerator；Fresh air passage and fuel channel are provided with the high-temperature incinerator；
The feed inlet of the dryer is connected with the discharge port of a material preheating device；Wet stock is provided with the material preheating device
Import, and the material preheating device is connected by the second gas pipeline with the high-temperature incinerator；The discharging of the dryer
Mouth is connected with a solid and gas separator, and the solid and gas separator passes through the 3rd gas pipeline and the material preheating device connects
Connect；The 4th gas pipeline is connected with first gas pipeline, the 4th gas pipeline is connected with a heat-energy recovering apparatus,
The heat-energy recovering apparatus is connected by the 5th gas pipeline with the material preheating device, and the heat-energy recovering apparatus is connected with
One emission-control equipment, is provided with uncontaminated gases floss hole on the emission-control equipment.
The exhaust gas that the above-mentioned new sludge drying device that example of the present invention provides will produce in sludge when preheating and drying sludge
Recycled and burned, the heat that the organic matter in exhaust gas produces during burning is also used to dry together, useless reducing
Gas reduces the consumption of fuel while discharge.
Further, above-mentioned new sludge drying device provided in an embodiment of the present invention will be discharged by heat-energy recovering apparatus
Heat recovery and be used for wet stock prebake, further increase heat utilization efficiency.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts, belong to the scope of protection of the invention.
Please refer to Fig.1 and Fig. 2, an embodiment of the present invention provides a kind of new sludge drying device, including a dryer
1, dryer 1 is connected by the first gas pipeline 2 with a high-temperature incinerator 3；Fresh air passage is provided with high-temperature incinerator 3
4 and fuel channel 5；The feed inlet of dryer 1 is connected with the discharge port of a material preheating device 6；Set on material preheating device 6
There is wet stock import, and material preheating device 6 is connected by the second gas pipeline 7 with high-temperature incinerator 3；The discharging of dryer 1
Mouth is connected with a solid and gas separator 8, and solid and gas separator 8 is connected by the 3rd gas pipeline 9 with material preheating device 6；The
The 4th gas pipeline 10 is connected with one gas pipeline 2, the 4th gas pipeline 10 is connected with a heat-energy recovering apparatus 11, and thermal energy returns
Receiving apparatus 11 is connected by the 5th gas pipeline 12 with material preheating device 6, and heat-energy recovering apparatus 11 is connected with an exhaust-gas treatment
Device 13, is provided with uncontaminated gases floss hole 14 on emission-control equipment 13.
In specific implementation process, dryer 1 has different species and model, as preference, the embodiment of the present invention
In dryer 1 use cylindrical dryer.
In specific implementation process, what is be passed through in the fuel channel of high-temperature incinerator can be natural gas, liquefied petroleum
The clean fuels such as gas, cleaning coal gas, alcohol-ether fuel, unleaded gas, fill to enable to be passed into the fuel in high-temperature incinerator
Divided combustion, as preference, being extend into the embodiment of the present invention in fuel channel 5 at the port of one end in high-temperature incinerator 3
It is provided with a Fuel lance mouth.Fuel is ejected by Fuel lance mouth, the contact area of fuel and air can be expanded, so that
Make full combustion of fuel.
In specific implementation process, since sludge is the concentrated thing between liquid and solid, it is under normal conditions
Very big blocks, in order to enable sludge is easier to be oven-dried, improves the work efficiency of dryer, as preference, of the invention
Material device for thinning is provided with embodiment in material preheating device 6.When sludge is preheated in material preheating device 6
When, sludge is progressively carried out cutting decomposition by material device for thinning, so that tiny sludge piece or sludge bar are formed, such as the thing
Material device for thinning is arranged to filter screen so that sludge is passed through from filter screen, forms bar, and such as described material refinement dress
Install and be set to disk roller, sludge is pressed into by disk roller by small tablet, increases the surface area of sludge.After sludge is refined
Dry again, drying efficiency can be greatly improved.
Certainly, the material device for thinning in the embodiment of the present invention can also be other existing device for thinning, herein
It is not limited.
In specific implementation process, the 4th gas pipeline 10 is mainly used for discharging exhaust gas, as preference, the present invention is real
Apply in example and connected between the first pipeline 2 and the 4th pipeline 10 by a gas distribution valve.It can be controlled by gas distribution valve
The exhausted air quantity of discharge.
In specific implementation process, there may be pollutants such as flue dust, sulphur in the exhaust gas of the 4th pipeline 10 discharge, because
This, as preference, the emission-control equipment 13 in the embodiment of the present invention includes dust-extraction unit 131 and desulfurizer 132, dedusting
The exhaust gas inlet of device 131 is connected with the waste gas outlet of heat-energy recovering apparatus 11, and exhaust gas inlet and the dedusting of desulfurizer 132 fill
131 waste gas outlet connection is put, the top of desulfurizer 132 is provided with the uncontaminated gases floss hole 14.Exhaust gas by except
Become uncontaminated gases after the dedusting of dirt device and desulfurizer desulfurization, be then discharged into again in air, air can be avoided dirty
Dye.
Further, in specific implementation process, the desulfurizer 132 in the embodiment of the present invention uses existing desulfurization
Tower, and dust-extraction unit 131 then uses spray column, the bottom of the spray column is provided with a sink 1311, and sink 1311 is connected with
One water circulating pump 1312, the water outlet of water circulating pump 1312 extend into the top of the spray column by a water pipeline 1313,
The part that water pipeline 1313 stretches into inner cavity at the top of first spray column is provided with multiple nozzles 1314.
A kind of course of work of new sludge drying device provided in an embodiment of the present invention is as follows：
Fresh air and clean fuel enter high-temperature incinerator 3 by fresh air passage 4 and fuel channel 5 respectively
In, it is sufficiently mixed and burns by the recycling exhaust gas that the second gas pipeline 7 conveys with material preheating device 6, by recycling exhaust gas
Organic matter burn-up, the temperature control of burning is at 1000 DEG C -1200 DEG C.
The hot wind part produced in combustion process is by the 4th gas pipeline 10, heat-energy recovering apparatus 11 and exhaust gas
It is discharged into after reason device 13 in air, another part is sent into dryer 1, to being delivered to after being preheated in material preheating device 6
Material in dryer 1 is dried.10% or so, the hot wind control being transported in dryer exists for the hot wind control of discharge
90% or so.
Dryer 1 sends out sludge and exhaust gas is sent into solid and gas separator 8, and solid and gas separator 8 is directly separated out dry
Material, while exhaust gas is sent in material preheating device 6 by the 3rd gas pipeline 9 wet stock is preheated.
Solid and gas separator 8 is sent into the high-temp waste gas and thermal energy recycling dress of material preheating device 6 by the 3rd gas pipeline 9
Put 11 and the recycling thermal energy of material preheating device 6 is sent into the wet thing in feeding material preheating device 6 by the 5th gas pipeline 12
Material is heated, and the material after heating, which is sent into dryer 1, is dried, defeated by second by the low temperature waste gas after heat exchange
Feed channel 7 is sent into high-temperature incinerator 3 and is burned.
The exhaust gas that the above-mentioned new sludge drying device that example of the present invention provides will produce in sludge when preheating and drying sludge
Recycled and burned, the heat that the organic matter in exhaust gas produces during burning is also used to dry together, useless reducing
Gas reduces the consumption of fuel while discharge.
Further, above-mentioned new sludge drying device provided in an embodiment of the present invention will be discharged by heat-energy recovering apparatus
Heat recovery and be used for wet stock prebake, further increase heat utilization efficiency.
It should be understood by those skilled in the art that, the foregoing is merely presently preferred embodiments of the present invention, not it is used for limiting
The scope that the present invention is implemented, the impartial change carried out by all shapes according to described in scope of the invention as claimed, construction, feature and spirit
Change and modify, scope of the presently claimed invention should all be included in.
Claims (7)
1. a kind of new sludge drying device, including a dryer, it is characterised in that the dryer passes through the first appendix
Road is connected with a high-temperature incinerator；Fresh air passage and fuel channel are provided with the high-temperature incinerator；The dryer
Feed inlet be connected with the discharge port of a material preheating device；Wet stock import, and institute are provided with the material preheating device
Material preheating device is stated to be connected with the high-temperature incinerator by the second gas pipeline；The discharge port of the dryer and a solid and gas
Separator connects, and the solid and gas separator is connected by the 3rd gas pipeline with the material preheating device；Described first
The 4th gas pipeline is connected with gas pipeline, the 4th gas pipeline is connected with a heat-energy recovering apparatus, and the thermal energy returns
Receiving apparatus is connected by the 5th gas pipeline with the material preheating device, and the heat-energy recovering apparatus is connected with an exhaust-gas treatment
Device, is provided with uncontaminated gases floss hole on the emission-control equipment.
2. new sludge drying device according to claim 1, it is characterised in that the dryer is cylindrical dryer.
3. new sludge drying device according to claim 1, it is characterised in that the fuel channel extend into the height
A Fuel lance mouth is provided with the port of one end in warm incinerator.
4. new sludge drying device according to claim 1, it is characterised in that be provided with the material preheating device
Material device for thinning.
5. new sludge drying device according to claim 1, it is characterised in that first gas pipeline and described
Connected between four gas pipelines by a gas distribution valve.
6. new sludge drying device according to claim 1, it is characterised in that the emission-control equipment includes dedusting
Device and desulfurizer, the exhaust gas inlet of the dust-extraction unit are connected with the waste gas outlet of the heat-energy recovering apparatus, described de-
The exhaust gas inlet of sulphur device is connected with the waste gas outlet of the dust-extraction unit, and the no dirt is provided with the top of the desulfurizer
Contaminate gas discharge outlet.
7. new sludge drying device according to claim 6, it is characterised in that the dust-extraction unit is spray column, institute
The bottom for stating spray column is provided with a sink, and the sink is connected with a water circulating pump, and the water outlet of the water circulating pump passes through
One water pipeline extend into the top of the spray column, and the water pipeline stretches into the part of inner cavity at the top of first spray column
It is provided with multiple nozzles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408718.4A CN107935350A (en) | 2017-12-22 | 2017-12-22 | A kind of new sludge drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408718.4A CN107935350A (en) | 2017-12-22 | 2017-12-22 | A kind of new sludge drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107935350A true CN107935350A (en) | 2018-04-20 |
Family
ID=61939750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711408718.4A Pending CN107935350A (en) | 2017-12-22 | 2017-12-22 | A kind of new sludge drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107935350A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113648728A (en) * | 2021-07-22 | 2021-11-16 | 中城院(北京)环境科技有限公司 | Sludge drying tail gas purification treatment system and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105645733A (en) * | 2016-03-09 | 2016-06-08 | 江苏大学 | Sludge drying and incinerating system and incinerating process thereof |
| CN207958099U (en) * | 2017-12-22 | 2018-10-12 | 四川洁能干燥设备有限责任公司 | A kind of novel sludge drying device |
-
2017
- 2017-12-22 CN CN201711408718.4A patent/CN107935350A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105645733A (en) * | 2016-03-09 | 2016-06-08 | 江苏大学 | Sludge drying and incinerating system and incinerating process thereof |
| CN207958099U (en) * | 2017-12-22 | 2018-10-12 | 四川洁能干燥设备有限责任公司 | A kind of novel sludge drying device |
Non-Patent Citations (1)
| Title |
|---|
| 张乐如: "《铅锌冶炼新技术》", 湖南科学技术出版社, pages: 68 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113648728A (en) * | 2021-07-22 | 2021-11-16 | 中城院(北京)环境科技有限公司 | Sludge drying tail gas purification treatment system and method |
| CN113648728B (en) * | 2021-07-22 | 2022-07-15 | 中城院(北京)环境科技有限公司 | Sludge drying tail gas purification treatment system and method |
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