CN113716835A - Modularization indirect heating formula sludge drying equipment - Google Patents
Modularization indirect heating formula sludge drying equipment Download PDFInfo
- Publication number
- CN113716835A CN113716835A CN202110992163.2A CN202110992163A CN113716835A CN 113716835 A CN113716835 A CN 113716835A CN 202110992163 A CN202110992163 A CN 202110992163A CN 113716835 A CN113716835 A CN 113716835A
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- Prior art keywords
- sludge
- heat exchange
- outlet
- heat
- heat source
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- 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.)
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Links
- 239000010802 sludge Substances 0.000 title claims abstract description 118
- 238000001035 drying Methods 0.000 title claims abstract description 33
- 238000010438 heat treatment Methods 0.000 title claims abstract description 14
- 239000002912 waste gas Substances 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000779 smoke Substances 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- 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
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
-
- 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
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
-
- 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
- C02F2303/26—Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
Abstract
The invention provides a modularized indirect heating type sludge drying device which is safe and stable, has less smoke, is easy to treat tail gas and greatly saves the production cost. It includes: the heat exchange modules are stacked and combined; the heat exchange module comprises: a displacement heat jacket is arranged outside the sludge dryer; the heat exchange modules are stacked from bottom to top in the vertical direction; the sludge inlet of the uppermost heat exchange module is used as an integral sludge inlet and is communicated with wet sludge conveying source equipment; the heat source inlet of the uppermost heat exchange module is used as an integral heat source inlet and communicated with heat source equipment; a heat source outlet and a sludge outlet of the heat exchange module at the lowest part are used as an integral heat source outlet and an integral sludge outlet; except for the heat exchange module at the lowest part, the heat source outlet of each layer of heat exchange module is communicated with the heat source inlet of the next layer of heat exchange module, and the sludge outlet of each layer of heat exchange module is communicated with the sludge inlet of the next layer of heat exchange module.
Description
Technical Field
The invention relates to the technical field of sludge drying equipment, in particular to modularized indirect heating type sludge drying equipment.
Background
Most of the traditional sludge dryers use steam, hot flue gas and heat conducting oil as heat sources; however, in the actual production process, in the existing drying mode in which flue gas is used as a heat source, heat source substances are in direct contact with materials, the waste gas amount is large, and the treatment difficulty is high; meanwhile, an indirect heating mode with steam and heat conducting oil as heat sources is adopted, the heat sources are positioned in the stirrer, and the stirrer is in contact with materials for a long time and is worn to cause heat source leakage during operation; particularly, the drying equipment using heat-conducting oil as a heat source has large potential safety hazard because the heat source has unstable material performance; therefore, in actual production, more cost needs to be invested to adjust the equipment structure, and the production cost is greatly improved.
Disclosure of Invention
In order to solve the problems of increased system cost and potential safety hazard caused by the defects of equipment in the prior art, the invention provides the modularized indirect heating type sludge drying equipment which is safe and stable, has less smoke and easy tail gas treatment and greatly saves the production cost.
The technical scheme of the invention is as follows: a modular indirect heating type sludge drying equipment is characterized by comprising: the heat exchange modules are stacked and combined;
the heat exchange module comprises: the sludge dryer is externally provided with a replacement heat jacket;
a heat source inlet and a heat source outlet are arranged on the heat exchange jacket, and a heat source substance is led into the inner cavity of the jacket from the heat source inlet and led out of the jacket from the heat source outlet; the sludge dryer is provided with a sludge inlet, a sludge outlet, a conveying slurry and a waste gas outlet, sludge to be dried is conveyed into the inner cavity of the sludge dryer from the sludge inlet, the conveying slurry conveys the sludge to be dried to the sludge outlet, and waste gas generated in the drying process is discharged from the waste gas outlet;
the heat exchange modules are stacked from bottom to top in the vertical direction;
the sludge inlet of the uppermost heat exchange module is used as an integral sludge inlet and is communicated with wet sludge conveying source equipment; the heat source inlet of the uppermost heat exchange module is used as an integral heat source inlet and communicated with heat source equipment;
the heat source outlet and the sludge outlet of the heat exchange module at the lowest part are used as an integral heat source outlet and an integral sludge outlet;
except for the heat exchange module at the lowest layer, the heat source outlet of each layer of heat exchange module is communicated with the heat source inlet of the next layer of heat exchange module, and the sludge outlet of each layer of heat exchange module is communicated with the sludge inlet of the next layer of heat exchange module.
It is further characterized in that:
it still includes: when the heat source outlet and the sludge outlet of each layer of heat exchange module are communicated with the next layer of heat exchange module, the heat source outlet and the sludge outlet are connected based on a flange type;
the waste gas outlet of each sludge dryer is used as a heat source to be communicated with the heat exchanger, and the sludge to be dried passes through the heat exchanger and then is sent to the integral sludge inlet;
the conveying slurry is realized based on solid blades.
According to the modularized indirect heating type sludge drying equipment, heat source substances are conveyed through the heat exchange jacket, sludge to be dried in the sludge drying machine is conveyed from the sludge inlet to the sludge outlet in the stirring process, drying is carried out in the stirring process, and then the sludge is conveyed from the sludge outlet to the next layer of sludge drying machine for further stirring and drying, the heat source substances provide heat in the heat exchange jacket in the whole process, the heat source substances do not need to be in contact with the sludge to be dried, redundant waste gas cannot be generated, tail gas treatment is easy, and the system operation cost is reduced; leakage caused by abrasion of the sludge dryer can be avoided, and the system maintenance cost is reduced; meanwhile, heat source substances are transferred through the heat exchange jacket, and the safety is excellent. The number of heat exchange modules stacked together in this patent, according to the handling capacity of treating dry sludge, or the moisture content of feeding and the ejection of compact carry out the increase or decrease of module quantity, connect through the installation of flange formula, reduced design, the installation cost of system.
Drawings
FIG. 1 is a schematic structural view of the whole of a modularized indirect heating type sludge drying apparatus;
fig. 2 is a schematic structural view of the sludge dryer.
Detailed Description
As shown in fig. 1 to 2, the present invention provides a modular indirect heating type sludge drying apparatus, including: the heat exchange module of piling up the combination, heat exchange module includes: sludge drying machine 1, sludge drying machine 1 outside sets up heat transfer jacket 2.
The heat exchange jacket 2 is provided with a heat source inlet 2-1 and a heat source outlet 2-2, a heat source substance is introduced into the inner cavity of the jacket from the heat source inlet 2-1, and is led out of the heat exchange jacket 2 from the heat source outlet 2-2.
The sludge dryer 1 is provided with: the sludge drying device comprises a sludge inlet 1-1, a sludge outlet 1-2, conveying slurry 1-3 and a waste gas outlet, wherein sludge to be dried is conveyed into an inner cavity of the sludge drying device 1 from the sludge inlet 1-1, the conveying slurry 1-3 conveys the sludge to be dried to the sludge outlet 1-2, and waste gas generated in the drying process is discharged from the waste gas outlet; the conveying paddles 1-3 are provided with a rotational driving force by a motor 1-5.
As shown in fig. 1, the heat exchange modules are stacked from bottom to top in the vertical direction; the sludge inlet 1-1 of the uppermost heat exchange module is used as an integral sludge inlet and is communicated with wet sludge conveying source equipment; the heat source inlet 2-1 of the uppermost heat exchange module is used as an integral heat source inlet and communicated with heat source equipment; a heat source outlet 2-2 and a sludge outlet 1-2 of the heat exchange module at the lowest part are used as an integral heat source outlet and an integral sludge outlet; except for the heat exchange module at the lowest part, a heat source outlet 2-2 of each layer of heat exchange module is communicated with a heat source inlet 2-1 of the next layer of heat exchange module, and a sludge outlet 1-2 of each layer of heat exchange module is communicated with a sludge inlet 1-1 of the next layer of heat exchange module. In this patent technical side, pile up in vertical direction between the heat transfer module, area is little, is applicable to various application scenes more nimble.
Sludge to be dried enters the uppermost sludge dryer 1 from the integral sludge inlet, is stirred by the conveying slurry 1-3 and is heated by a heat source substance in the heat exchange jacket 2 while being stirred; when the sludge to be dried is conveyed; the sludge outlet 1-2 of the uppermost heat exchange module falls into the sludge inlet 1-1 of the next layer of heat exchange module, and meanwhile, the heat source substance in the uppermost heat exchange jacket 2 also enters the heat source inlet 2-1 of the next layer of heat exchange module through the heat source outlet 2-2 of the uppermost heat exchange jacket 2; in the second layer of heat exchange module, the sludge to be dried is stirred and subjected to heat exchange and drying at the same time, then is sent into the next layer of heat exchange module until being sent into the heat exchange module at the bottommost layer, and after drying is finished, drying equipment is led out from the whole sludge outlet.
When the heat source outlet 2-2 and the sludge outlet 1-2 of each layer of heat exchange module are communicated with the heat source inlet 2-1 and the sludge inlet 1-1 of the next layer of heat exchange module, the heat source outlet and the sludge outlet are connected based on a flange type; the installation is convenient, the assembly is easy, the transformation is convenient, and the system construction cost is reduced.
A waste gas outlet 1-4 of each sludge dryer 1 is used as a heat source to be communicated with a heat exchanger 3, and sludge to be dried passes through the heat exchanger and then is sent into an integral sludge inlet 1-1; waste gas waste heat generated in the drying process of the sludge to be dried exchanges heat with the sludge to be dried in the heat exchanger 3, waste heat is carried out on the sludge to be dried, and then a waste gas treatment program is carried out, so that the operation cost of the system is reduced.
Among this patent technical scheme, carry thick liquid 1-3 to realize based on solid paddle, treat that dry sludge provides great stirring power, treat dry sludge and carry out intensive mixing, ensure to treat that dry sludge can be more abundant with the heat energy that the heat source material in the heat transfer jacket 2 provided and contact, improved heat transfer effect, play the crushing effect to the material simultaneously, prevent to block up.
After the technical scheme of the invention is used, the sludge to be dried is indirectly heated by utilizing the heat source circulating in the heat exchange jacket 2, so that the method is safe and stable, the smoke gas amount is small, the tail gas is easy to treat, the equipment installation is convenient and fast, and the sludge treatment capacity is large; this patent technical scheme adopts the modularized design, can adjust the quantity of heat exchange module according to the moisture content of treating dry sludge treatment volume, perhaps feeding, ejection of compact, and the design, the installation degree of difficulty are little, but standardized manufacturing.
Claims (4)
1. A modular indirect heating type sludge drying equipment is characterized by comprising: the heat exchange modules are stacked and combined;
the heat exchange module comprises: the sludge dryer is externally provided with a replacement heat jacket;
a heat source inlet and a heat source outlet are arranged on the heat exchange jacket, and a heat source substance is led into the inner cavity of the jacket from the heat source inlet and led out of the jacket from the heat source outlet; the sludge dryer is provided with a sludge inlet, a sludge outlet, a conveying slurry and a waste gas outlet, sludge to be dried is conveyed into the inner cavity of the sludge dryer from the sludge inlet, the conveying slurry conveys the sludge to be dried to the sludge outlet, and waste gas generated in the drying process is discharged from the waste gas outlet;
the heat exchange modules are stacked from bottom to top in the vertical direction;
the sludge inlet of the uppermost heat exchange module is used as an integral sludge inlet and is communicated with wet sludge conveying source equipment; the heat source inlet of the uppermost heat exchange module is used as an integral heat source inlet and communicated with heat source equipment;
the heat source outlet and the sludge outlet of the heat exchange module at the lowest part are used as an integral heat source outlet and an integral sludge outlet;
except for the heat exchange module at the lowest layer, the heat source outlet of each layer of heat exchange module is communicated with the heat source inlet of the next layer of heat exchange module, and the sludge outlet of each layer of heat exchange module is communicated with the sludge inlet of the next layer of heat exchange module.
2. The modular indirect heating type sludge drying apparatus of claim 1, wherein: it still includes: when the heat source outlet of each layer of heat exchange module and the sludge outlet are communicated with the next layer of heat exchange module, the heat source outlet and the sludge outlet are connected based on a flange type.
3. The modular indirect heating type sludge drying apparatus of claim 1, wherein: the sludge drying device further comprises heat exchangers, the waste gas outlet of each sludge drying machine is used as a heat source to be communicated with the heat exchangers, and the sludge to be dried passes through the heat exchangers and then is sent to the integral sludge inlet.
4. The modular indirect heating type sludge drying apparatus of claim 1, wherein: the conveying slurry is realized based on solid blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110992163.2A CN113716835A (en) | 2021-08-27 | 2021-08-27 | Modularization indirect heating formula sludge drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110992163.2A CN113716835A (en) | 2021-08-27 | 2021-08-27 | Modularization indirect heating formula sludge drying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113716835A true CN113716835A (en) | 2021-11-30 |
Family
ID=78678325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110992163.2A Pending CN113716835A (en) | 2021-08-27 | 2021-08-27 | Modularization indirect heating formula sludge drying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113716835A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2536586Y (en) * | 2002-03-19 | 2003-02-19 | 李爱民 | Sludge low-temperature phase transformation driers |
| DE102006011871A1 (en) * | 2006-03-15 | 2007-09-20 | Bessenbach, Ina | Sludge drying apparatus comprises inlet for damp sludge, outlet for dried sludge, air-inlet for dry air, air-outlet for the air moistened in drying process, rotating plates arranged on a air deflection duct, and rabble arms |
| CN103723902A (en) * | 2012-10-15 | 2014-04-16 | 上海中发环保(集团)有限公司 | Sludge drying method and apparatus thereof |
| CN103922557A (en) * | 2014-04-16 | 2014-07-16 | 重庆大学 | Binocular wet sludge drying equipment |
| JP2019126788A (en) * | 2018-01-25 | 2019-08-01 | 株式会社タクマ | Indirect heating sludge dryer |
| CN211198976U (en) * | 2019-12-06 | 2020-08-07 | 金红梅 | Sludge drying equipment |
-
2021
- 2021-08-27 CN CN202110992163.2A patent/CN113716835A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2536586Y (en) * | 2002-03-19 | 2003-02-19 | 李爱民 | Sludge low-temperature phase transformation driers |
| DE102006011871A1 (en) * | 2006-03-15 | 2007-09-20 | Bessenbach, Ina | Sludge drying apparatus comprises inlet for damp sludge, outlet for dried sludge, air-inlet for dry air, air-outlet for the air moistened in drying process, rotating plates arranged on a air deflection duct, and rabble arms |
| CN103723902A (en) * | 2012-10-15 | 2014-04-16 | 上海中发环保(集团)有限公司 | Sludge drying method and apparatus thereof |
| CN103922557A (en) * | 2014-04-16 | 2014-07-16 | 重庆大学 | Binocular wet sludge drying equipment |
| JP2019126788A (en) * | 2018-01-25 | 2019-08-01 | 株式会社タクマ | Indirect heating sludge dryer |
| CN211198976U (en) * | 2019-12-06 | 2020-08-07 | 金红梅 | Sludge drying equipment |
Non-Patent Citations (1)
| Title |
|---|
| 全国勘察设计注册工程师环保专业管理委员会等, 中国环境出版集团 * |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211130 |