CN111438042A - Impurity removal and drying process method and system for sludge with high water content - Google Patents
Impurity removal and drying process method and system for sludge with high water content Download PDFInfo
- Publication number
- CN111438042A CN111438042A CN202010062035.3A CN202010062035A CN111438042A CN 111438042 A CN111438042 A CN 111438042A CN 202010062035 A CN202010062035 A CN 202010062035A CN 111438042 A CN111438042 A CN 111438042A
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- CN
- China
- Prior art keywords
- sludge
- discharge gate
- mud
- water content
- edulcoration
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/20—Stationary drums with moving interior agitators
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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
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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
- C02F11/02—Biological treatment
-
- 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
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
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- 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
Abstract
The invention relates to the technical field of sludge treatment, in particular to a high-moisture-content sludge impurity removal and drying process method, which comprises the following process steps: adding medicine on line; stirring to remove impurities; sending the mixture to a high-pressure belt machine for pre-dewatering; cutting the sludge into strips; sending the mixture into a drier for drying; packaging and feeding into a pit for fermentation; incineration treatment; and (5) recycling the slag. The utility model provides a high moisture content mud edulcoration mummification system, it includes wet mud feed bin, mud buffering storehouse, charge device, edulcoration mixer, high-pressure strip machine, slitter, desiccator, dry feed bin, fermentation pit and burn burning furnace, mud buffering storehouse discharge gate and edulcoration mixer feed inlet intercommunication, edulcoration mixer discharge gate and high-pressure strip machine feed inlet intercommunication, high-pressure strip machine discharge gate and slitter feed inlet intercommunication, slitter discharge gate and desiccator feed inlet intercommunication, desiccator discharge gate and dry feed bin intercommunication. The method and the system provided by the invention have the advantages of simple and rapid treatment, energy conservation and environmental protection, and can effectively remove impurities such as bricks in sludge.
Description
Technical Field
The invention relates to the technical field of sludge treatment, in particular to a high-moisture-content sludge impurity removal and drying process method and system.
Background
The sludge with the water content of more than 85 percent is poor in forming effect when being cut into strips on a sludge waste heat drying machine slitter, the stable 80mm pile height cannot be formed, the drying effect is directly influenced, the power consumption is increased rapidly, impurities such as bricks and cloth strips are often doped in the sludge, and if the sludge is directly dried, equipment can be damaged and the drying effect of the sludge can be influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a high-moisture content sludge impurity removal and drying process method and a high-moisture content sludge impurity removal and drying system which are simple, rapid, energy-saving and environment-friendly in treatment and can effectively remove impurities such as bricks in sludge.
The invention is realized by the following technical scheme:
a high-moisture content sludge impurity removal and drying process method comprises the following process steps:
-adding chemicals to the high water content sludge on-line;
stirring the sludge after adding the medicine to remove impurities;
pumping the sludge into a high-pressure belt machine for pre-dewatering to the water content of about 72%;
-cutting the sludge, pre-dewatered, into strips;
sending the mud strips into a drying machine to be dried until the water content is about 40 percent;
packaging the dried sludge particles and feeding the sludge particles into the pit for fermentation;
-burning the fermented particles;
and the slag is recycled.
Further, the condensed water in the drying process is conveyed to a sewage well of the factory area to be treated.
The utility model provides a high moisture content mud edulcoration mummification system, it includes supporting platform, wet mud feed bin, mud buffering storehouse, charge device, the edulcoration mixer, high-pressure belt machine, the slitter, the mummification machine, dry feed bin, the fermentation pit and burn burning furnace, communicate through feeding plunger pump between the discharge gate of wet mud feed bin and the mud buffering storehouse feed inlet, mud buffering storehouse discharge gate communicates through screw conveyer with the feed inlet of edulcoration mixer mutually, the discharge gate of edulcoration mixer passes through feeding plunger pump with the feed inlet of high-pressure belt machine and communicates, the discharge gate of high-pressure belt machine is linked together with the feed inlet of slitter, the discharge gate of slitter is linked together with the feed inlet of mummification machine, the discharge gate and the dry feed bin of mummification machine communicate mutually through scraper conveyer, charge device's.
Further, the edulcoration mixer includes agitator tank, twin-screw (mixing) shaft, a filter sieve section of thick bamboo and rose box, and the feed inlet that is linked together with screw conveyer's discharge gate is seted up at the agitator tank top, and the twin-screw (mixing) shaft is installed in the agitator tank, and a filter sieve section of thick bamboo and rose box fixed mounting are in the front end opening part of agitator tank, in the twin-screw (mixing) shaft stretched into a filter sieve section of thick bamboo, the discharge gate of rose box bottom was linked together through the feed plunger pump with the feed inlet.
Further, the filtering screen cylinder is fixedly connected with the stirring box through a flange.
Furthermore, an access door is arranged on the filter box.
Furthermore, the double-screw stirring shaft comprises a driving shaft and a driven shaft, a pair of gears which are meshed with each other are sleeved on the driving shaft and the driven shaft, and the driving shaft is driven by a motor to rotate.
Further, the wet sludge bin is located underground, the sludge buffer bin, the impurity removal stirrer and the high-pressure belt machine are fixedly installed on the supporting platform, and the slitter and the drier are fixedly installed below the supporting platform.
The invention has the advantages of
The impurity removal and drying process method and the impurity removal and drying system for the sludge with high water content, which are protected by the invention, have the advantages of reliable operation, low energy consumption and long service life. The process method and the equipment provided by the invention can be used for thoroughly treating and disposing municipal sludge and stock sludge. The process flow is simple, the energy consumption is low, the treatment and the disposal are thorough, and the treated product can be reasonably utilized. 1 ton of sludge with 80 percent of water content is treated, and the energy consumption is as low as 90 kwh. And (4) performing sludge granulation treatment, and realizing sludge resource utilization.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic diagram of the system of the present invention;
FIG. 3 is an enlarged view of part A;
FIG. 4 is a schematic top view of the trash-removing agitator;
in the figure, 1, a wet mud bin, 2, a feeding plunger pump, 3, a dosing device, 4, an impurity removal stirrer, 5, a high-pressure belt machine, 6, a drier, 7, a scraper conveyor, 8, a dry bin, 9, a sludge buffer bin, 10, a slitter, 11, a fermentation pit, 12, an incinerator, 13, a supporting platform, 14, a screw conveyor, 15, a stirring box, 16, a filtering screen cylinder, 17, a filtering box, 18, an access door, 19, a flange, 20, a motor, 21, a gear, 22, a driving shaft and 23, and a driven shaft are arranged.
Detailed Description
A high-moisture content sludge impurity removal and drying process method comprises the following process steps:
-adding chemicals to the high water content sludge on-line;
stirring the sludge after adding the medicine to remove impurities;
pumping the sludge into a high-pressure belt machine for pre-dewatering to the water content of about 72%;
-cutting the sludge, pre-dewatered, into strips;
sending the mud strips into a drying machine to be dried until the water content is about 40 percent;
packaging the dried sludge particles and feeding the sludge particles into the pit for fermentation;
-burning the fermented particles;
and the slag is recycled.
Further, the condensed water in the drying process is conveyed to a sewage well of the factory area to be treated.
The utility model provides a high moisture content mud edulcoration mummification system, its includes supporting platform 13, wet mud feed bin 1, mud surge bin 9, charge device 3, edulcoration mixer 4, high-pressure band machine 5, slitter 10, desiccator 6, dry material storehouse 8, fermentation pit 11 and burn burning furnace 12, through feeding plunger pump 2 intercommunication between the discharge gate of wet mud feed bin and the mud surge bin feed inlet, because mud moisture content is than higher, adopt plunger pump and pipeline to make things convenient for the transport of mud. The discharge port of the sludge buffer bin is communicated with the feed port of the impurity removal stirrer through a screw conveyor 14, the discharge port of the impurity removal stirrer is communicated with the feed port of the high-pressure belt machine through a feeding plunger pump, the discharge port of the high-pressure belt machine is communicated with the feed port of the strip cutting machine, the discharge port of the strip cutting machine is communicated with the feed port of the drying machine, the discharge port of the drying machine is communicated with the dry material bin through a scraper conveyor 7, and the medicine outlet of the medicine adding device is communicated with the medicine inlet of the sludge buffer bin.
Further, the impurity removal stirrer comprises a stirring box 15, a double-screw stirring shaft, a filtering screen cylinder 16 and a filtering box 17, wherein a feeding hole communicated with a discharging hole of the screw conveyor is formed in the top of the stirring box, the double-screw stirring shaft is installed in the stirring box, the filtering screen cylinder and the filtering box are fixedly installed at the front end opening of the stirring box, the double-screw stirring shaft extends into the filtering screen cylinder, the discharging hole in the bottom of the filtering box is communicated with the feeding hole of the high-pressure belt conveyor through a feeding plunger pump, the added sludge enters the stirring box, is stirred through the double-screw stirring shaft and is conveyed into the filtering screen cylinder of the filtering box for filtering, large impurities are left in the screen cylinder, and the sludge enters the filtering box, so that the stirring and.
Furthermore, the filtering screen cylinder is fixedly connected with the stirring box through the flange 19, so that the filtering screen cylinder is convenient to disassemble and assemble and sundries are convenient to clean.
The filter box is provided with an access door 18, so that the filter screen cylinder is further convenient to disassemble and assemble and the sundries are further convenient to clean.
Further, the twin-screw stirring shaft comprises a driving shaft 22 and a driven shaft 23, a pair of gears 21 which are meshed with each other are sleeved on the driving shaft and the driven shaft, the driving shaft is driven to rotate by a motor 20, and the driving shaft 22 and the driven shaft are driven by the same motor, so that the machine purchasing cost is saved, and the operation cost is reduced.
Furthermore, the wet sludge bin is located underground, the sludge buffer bin, the impurity removal stirrer and the high-pressure belt machine are fixedly installed on the supporting platform, and the slitter and the drier are fixedly installed below the supporting platform, so that the layout is reasonable, and the occupied area and the transportation stroke are reduced.
During municipal administration sludge treatment, carry the mud in the wet mud feed bin to the mud surge bin through feeding plunger pump earlier and add the liquid medicine after, rethread edulcoration mixer stirring and edulcoration, then send to the predrying in the high pressure belt again through feeding plunger pump sending, make the moisture of mud fall to about 72%, then carry out the strip cutting and handle the mummification of entering mummification built-in, at last rethread scraper conveyor carries to in the drier storehouse, rethread transport vehicle transports to fermentation pit in the fermentation, the fermentation finishes and delivers to burning in the incinerator, slag utilization. The process flow is simple, the energy consumption is low, the treatment and the disposal are thorough, and the treated product can be reasonably utilized. 1 ton of sludge with 80 percent of water content is treated, and the energy consumption is as low as 90 kwh. And (4) performing sludge granulation treatment, and realizing sludge resource utilization. The impurity removal stirrer can fully and uniformly stir the liquid medicine and the sludge, and can filter impurities such as stones and bricks, so that the sludge is reasonably treated and disposed, and harmlessness, reduction and recycling are achieved.
The drying machine, the high-pressure belt machine, the slitting machine and the incinerator are all the existing products sold in the market.
In conclusion, the impurity removal and drying process method and the impurity removal and drying system for the sludge with the high water content have the advantages of simple and rapid treatment, energy conservation, environmental protection and capability of effectively removing impurities such as bricks in the sludge.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The impurity removal and drying process method for the sludge with high water content is characterized by comprising the following process steps:
-adding chemicals to the high water content sludge on-line;
stirring the sludge after adding the medicine to remove impurities;
pumping the sludge into a high-pressure belt machine for pre-dewatering to the water content of about 72%;
-cutting the sludge, pre-dewatered, into strips;
sending the mud strips into a drying machine to be dried until the water content is about 40 percent;
packaging the dried sludge particles and feeding the sludge particles into the pit for fermentation;
-burning the fermented particles;
and the slag is recycled.
2. The impurity-removing and drying process method for the sludge with the high water content as claimed in claim 1, wherein the condensed water in the drying process is conveyed to a sewage well of a factory area to be treated.
3. The utility model provides a high moisture content mud edulcoration mummification system, a serial communication port, including supporting platform, wet mud feed bin, mud buffering storehouse, charge device, the edulcoration mixer, high-pressure belt machine, the slitter, the mummification machine, dry feed bin, the fermentation pit and burn burning furnace, communicate through feeding plunger pump between the discharge gate of wet mud feed bin and the mud buffering storehouse feed inlet, mud buffering storehouse discharge gate communicates through screw conveyer with the feed inlet of edulcoration mixer, the discharge gate of edulcoration mixer passes through feeding plunger pump with the feed inlet of high-pressure belt machine and communicates, the discharge gate of high-pressure belt machine is linked together with the feed inlet of slitter, the discharge gate of slitter is linked together with the feed inlet of mummification machine, the discharge gate of mummification machine communicates through scraper conveyor with dry feed bin, charge device's medicine outlet.
4. The high-moisture-content sludge impurity-removing and drying system as claimed in claim 3, wherein the impurity-removing stirrer comprises a stirring box, a double-screw stirring shaft, a filtering screen cylinder and a filtering box, a feeding port communicated with a discharging port of the screw conveyor is formed in the top of the stirring box, the double-screw stirring shaft is installed in the stirring box, the filtering screen cylinder and the filtering box are fixedly installed at an opening at the front end of the stirring box, the double-screw stirring shaft extends into the filtering screen cylinder, and a discharging port at the bottom of the filtering box is communicated with a feeding port of the high-pressure belt machine through a feeding plunger pump.
5. The impurity-removing and drying system for the sludge with the high water content as claimed in claim 4, wherein the filtering screen drum is fixedly connected with the stirring box through a flange.
6. The impurity-removing and drying system for the sludge with high water content as claimed in claim 4, wherein the filter box is provided with an access door.
7. The impurity-removing and drying system for the sludge with high water content as claimed in claim 4, wherein the twin-screw stirring shaft comprises a driving shaft and a driven shaft, a pair of gears meshed with each other are sleeved on the driving shaft and the driven shaft, and the driving shaft is driven to rotate by a motor.
8. The impurity-removing and drying system for the sludge with the high water content as claimed in claim 3, wherein the wet sludge bin is located under the ground, the sludge buffering bin, the impurity-removing stirrer and the high-pressure belt machine are fixedly mounted on the supporting platform, and the slitter and the dryer are fixedly mounted below the supporting platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010062035.3A CN111438042A (en) | 2020-01-20 | 2020-01-20 | Impurity removal and drying process method and system for sludge with high water content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010062035.3A CN111438042A (en) | 2020-01-20 | 2020-01-20 | Impurity removal and drying process method and system for sludge with high water content |
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| Publication Number | Publication Date |
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| CN111438042A true CN111438042A (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010062035.3A Pending CN111438042A (en) | 2020-01-20 | 2020-01-20 | Impurity removal and drying process method and system for sludge with high water content |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113105091A (en) * | 2021-04-19 | 2021-07-13 | 浙江诺曼环保工程技术有限公司 | Low-temperature drying treatment process for electroplating sludge |
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| CN204039233U (en) * | 2014-09-03 | 2014-12-24 | 长兴日月环保机械有限公司 | A kind of sludge desiccation processing equipment |
| CN104630462A (en) * | 2015-02-28 | 2015-05-20 | 北京辰兴旭光环保技术有限公司 | Steelmaking sludge drying ball pressing system and ball pressing method |
| CN108314293A (en) * | 2018-04-14 | 2018-07-24 | 宜兴市爱迪尔科技有限公司 | Low temperature belt-type drying system |
| CN209872731U (en) * | 2019-04-11 | 2019-12-31 | 葛洲坝水务淄博博山有限公司 | Three-dimensional multi-plane intensive complete residual sludge drying equipment |
| CN211726461U (en) * | 2020-01-20 | 2020-10-23 | 北京晟启环能科技有限公司 | High moisture content mud edulcoration mummification system |
-
2020
- 2020-01-20 CN CN202010062035.3A patent/CN111438042A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204039233U (en) * | 2014-09-03 | 2014-12-24 | 长兴日月环保机械有限公司 | A kind of sludge desiccation processing equipment |
| CN104630462A (en) * | 2015-02-28 | 2015-05-20 | 北京辰兴旭光环保技术有限公司 | Steelmaking sludge drying ball pressing system and ball pressing method |
| CN108314293A (en) * | 2018-04-14 | 2018-07-24 | 宜兴市爱迪尔科技有限公司 | Low temperature belt-type drying system |
| CN209872731U (en) * | 2019-04-11 | 2019-12-31 | 葛洲坝水务淄博博山有限公司 | Three-dimensional multi-plane intensive complete residual sludge drying equipment |
| CN211726461U (en) * | 2020-01-20 | 2020-10-23 | 北京晟启环能科技有限公司 | High moisture content mud edulcoration mummification system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113105091A (en) * | 2021-04-19 | 2021-07-13 | 浙江诺曼环保工程技术有限公司 | Low-temperature drying treatment process for electroplating sludge |
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