CN203128377U - Sludge drying integrated system - Google Patents
Sludge drying integrated system Download PDFInfo
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- CN203128377U CN203128377U CN 201320034166 CN201320034166U CN203128377U CN 203128377 U CN203128377 U CN 203128377U CN 201320034166 CN201320034166 CN 201320034166 CN 201320034166 U CN201320034166 U CN 201320034166U CN 203128377 U CN203128377 U CN 203128377U
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Abstract
The utility model belongs to the technical field of sludge treatment, and particularly relates to a sludge drying integrated system which comprises a sludge concentrating pond, at least two stages of sludge conditioning devices, a feeding pump and a sludge filtering device which are sequentially connected. According to the sludge drying integrated system, the sludge is treated by adopting the at least two stages of sludge conditioning devices, the sludge with the water content being about 97 percent or wet sludge with water content of 80 percent after being concentrated by the sludge concentrating pond is conditioned through a coagulant and is directly treated into a mud cake with the water content lower than 60 percent, and a good foundation is laid for reasonable treatment of the subsequent sludge. The sludge drying integrated system is short in treating process, high in treating efficiency and low in operating cost, and realizes reduction and stabilization of sludge treatment; meanwhile, the sludge drying integrated system keeps the composition of original elements of the sludge without causing the loss of the sludge, and ensures that the sludge is treated in a hazard-free manner and recycled without causing secondary pollution in a treating process; and the sludge drying integrated system is compact in structure, saves investment, and realizes energy saving, full automation and remote control of the sludge treatment.
Description
Technical field
The utility model belongs to technical field of sludge treatment, is specifically related to a kind of sludge drying integral system.
Background technology
At present the annual weight that produces contained humidity in 2,200 ten thousand tons of water ratio 80%(mud of China's town sewage treatment facility is called moisture percentage in sewage sludge with the percentage ratio of the ratio of mud gross weight) mud, the sludge disposal rate is less than 10% then, a large amount of excess sludges just directly enter in the environment without harmless treatment, greatly reduce sewage work and subdue pollutent to improve the ability of environmental quality.For advancing the lasting reduction of discharging of municipal sewage treatment facility; national environmental protection " 12 " planning is listed mud among the important engineering of principal pollutant reduction of discharging; house and town and country construction portion, Environmental Protection Department, the Ministry of Science and Technology unite issue " urban wastewater treatment firm sludge treatment disposal technology guide (trying) " (building the city [2009] No. 23) for this reason, stipulate that clearly the treating sludge target is: " innoxious, minimizing, stabilization, resource utilization ".
Existing sludge treatment technology mainly contains following several:
First kind is SSD mud high-efficiency dehydration technology, and the advantage of this technology is that reduced investment, running cost are lower, compact construction and easy and simple to handle, shortcoming be to mud to subtract capacitive relatively poor.
Second kind is the lime curing technology, and the advantage of this technology is that investment and running cost are lower, easy and simple to handle, and shortcoming is that the mud increment is big, and the pH value of handling back mud raises, and has limited the ultimate disposal of mud widely.
The third is the heat drying technology, and this technology can make mud significantly subtract appearance, and sludge-drying does not have stink and no pathogenic micro-organism, and shortcoming is the technological operation complexity, and capital construction and working cost are all higher.
The 4th kind is the bioleaching technology, and the advantage of this technology is that working cost is low, and it is unaffected substantially to handle back sludge calorific value and organic content, and shortcoming is to take up an area of greatlyyer, and stink is heavy and operating performance is unstable.
The 5th kind for the osmosis sludge drying technique, and the advantage of this technology is complete sets of equipment degree height, and processing efficiency is high and take up an area of lessly, and shortcoming is that investment is big and working cost is higher.
The utility model content
The purpose of this utility model is to provide a kind of sludge drying integral system, and this sludge drying integral system treatment scheme is short, the processing efficiency height, and the solid increment of handling back mud is little, has realized minimizing and the stabilization of sludge treatment; The processing mode of native system has kept the formation of the original element of mud simultaneously, does not lose the calorific value of mud, has guaranteed the innoxious and resource utilization of mud; Native system compact construction reduced investment has in addition realized energy-conservationization of sludge treatment.
For achieving the above object, the utility model has adopted following technical scheme: a kind of sludge drying integral system, and native system comprises following integral part:
Sludge thickener is used for making the sewage mud liquid that enters wherein to separate, and makes the moisture percentage in sewage sludge after concentrating be equal to or less than 99%, and the mud after described the concentrating enters the sludge conditioning device;
The sludge conditioning device; Be used for the thickened sludge and the coagulated agent that enter are wherein done in order to obtain nursing one's health thickened sludge;
Fresh feed pump is used for nursing one's health thickened sludge and is delivered to sludge press filtration equipment place;
Sludge press filtration equipment is used for nursing one's health thickened sludge and carries out filter-press dehydration and be lower than 60% mud cake to obtain moisture percentage in sewage sludge, and the filtrate discharge that filter-press dehydration obtains is to the aeration tank or biochemistry pool.
Simultaneously, the utility model can also be able to further realization by following technical measures:
Preferably, native system also comprises the outside pug transfer roller that transmits of the mud cake that sludge press filtration equipment is made.
Preferably, described sludge conditioning device comprises first step sludge conditioning device and second stage sludge conditioning device at least;
Described first step sludge conditioning device is made of first step coagulated agent allotment container and first step sludge conditioning pond, and the drain pipe of first step coagulated agent allotment container is connected with first step sludge conditioning pond;
Described second stage sludge conditioning device is made of second stage coagulated agent allotment container and sludge conditioning pond, the second stage, and the drain pipe of second stage coagulated agent allotment container is connected with sludge conditioning pond, the second stage;
Described sludge thickener is connected with first step sludge conditioning pond by drain pipe, and first step sludge conditioning pond is connected with sludge conditioning pond, the second stage by drain pipe, and described fresh feed pump is arranged on the discharge end in sludge conditioning pond, the second stage.
Preferably, native system comprises that also described mud feed bin is connected with first step sludge conditioning pond by discharge nozzle be used to the mud feed bin that holds wet mud.
Further, two of being set to be connected in parallel to each other of described fresh feed pump.
Preferably, described sludge press filtration equipment comprises the sludge press filtration machine, also comprises the water source that is connected with the feed-water end of sludge press filtration machine by press pump, and the water side of described sludge press filtration machine is connected with the water source by pipeline.
Further, described sludge press filtration equipment also comprises the mud cake in the sludge press filtration machine is carried out self-discharging air-blowing stripping mechanism.
Further, described fresh feed pump, pug transfer roller, first step coagulated agent allotment container, second stage coagulated agent allotment container, sludge press filtration machine, press pump and air-blowing stripping mechanism all are electrically connected with controller.
The beneficial effects of the utility model are:
1), the utility model adopts at least two-stage sludge conditioning device that mud is handled, the wet mud that sludge thickener is concentrated the mud of back water ratio about 97% or water ratio 80% under the prerequisite that guarantees the original composition of municipal sludge directly is processed into water ratio by the coagulating agent conditioning and is lower than 60% mud cake, for the reasonable disposal of follow-up mud is had laid a good foundation.
2), the utility model integration degree height, the setting of two-stage sludge conditioning device is good energy-conserving effect not only, and short to the treatment scheme of mud, the processing efficiency height.
3), the maintenance of processing structure maximum possible of the present utility model the formation of the original element of mud, do not lose the calorific value of mud, fully realized " energy and the resource utilization " of mud.
4), the utility model suitability is strong, do not have complicated complete sets of basic equipment system, also need not big change when the utility model acts on the upgrading of old dewatering system.
5), the utility model is simple in structure, easy and simple to handle and easy to maintenance, realized omnidistance processing automatization, and realized Long-distance Control.
6), sludge press filtration equipment filter-press dehydration obtains in the utility model filtrate can directly enter in the aeration tank, thereby can not produce the secondary treatment expense of sewage, further saved investment, reduced cost.Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the present utility model when existing sludge treating system is carried out upgrading.
The implication of mark is as follows among the figure:
10-sludge thickener, 20-first step sludge conditioning device
21-first step coagulated agent allotment container, 22-first step sludge conditioning pond
Sludge conditioning device 31-second stage, 30-second stage coagulated agent allotment container
Sludge conditioning pond, 32-second stage 40-fresh feed pump, 50-sludge press filtration machine
51-water source, 52-press pump, 53-air-blowing stripping mechanism, 60-pug transfer roller
70-aeration tank, 80-transport trolley, 90-mud feed bin
Embodiment
In two kinds of situation and by reference to the accompanying drawings the utility model is described further below.
Embodiment 1
Structure when situation shown in the embodiment 1 is newly-built sludge dehydrating and drying system.
As shown in Figure 1, the sewage mud liquid in sludge thickener 10 that enters in the sludge thickener 10 separates, the water ratio that obtains after concentrating is equal to or less than 99% mud and enters first step sludge conditioning pond 22, coagulated agent was allocated in the container 21 by first step coagulated agent and was entered first step sludge conditioning pond 22 by drain pipe this moment, and the mud that water ratio is higher and coagulated agent carry out the conditioning first time in first step sludge conditioning pond 22; The mud that the water ratio that obtains after the conditioning is lower enters in the sludge conditioning pond, the second stage 32, coagulated agent is by also entering sludge conditioning pond, the second stage 32 by drain pipe in the second stage coagulated agent allotment container 31, and the mud that water ratio is lower and coagulated agent carry out the conditioning second time in sludge conditioning pond, the second stage 32.
The conditioning thickened sludge that obtains through conditioning for the second time is transported in the sludge press filtration machine 50 through fresh feed pump 40, water source 51 carries out mechanical dehydration by the conditioning thickened sludge in 52 pairs of sludge press filtration machines 50 of press pump, finally obtain water ratio and be lower than 60% mud cake, controller control air-blowing stripping mechanism 53 is with the mud cake unloading of blowing off in sludge press filtration machine 50, mud cake after the unloading is sent to transport trolley 80 places by pug transfer roller 60, subsequent treatment process such as transport trolley 80 transports that mud cake covers that mound is neat, anhydration and incineration, comprehensive utilization and landfill.
The filtrate that sludge press filtration machine 50 extruding conditioning thickened sludges obtain is delivered to aeration tank 70 through pipeline and is handled.
Embodiment 2
Situation shown in the embodiment 2 is the structure when old sludge dewatering system is carried out upgrading.
Enter mud feed bin 90 after the mud of the water ratio 80% that original old sludge dewatering system obtains is smashed, the mud of this water ratio 80% enters first step sludge conditioning pond 22 by discharge nozzle; The water ratio that this moment, sludge thickener 10 obtained after concentrating is equal to or less than 99% mud and also enters first step sludge conditioning pond 22, meanwhile, coagulated agent is by entering first step sludge conditioning pond 22 by drain pipe in the first step coagulated agent allotment container 21, and the mud that water ratio is equal to or less than 99% mud and water ratio 80% carries out the first time with coagulated agent and nurses one's health in first step sludge conditioning pond 22; The mud that the water ratio that obtains after the conditioning is lower enters in the sludge conditioning pond, the second stage 32, coagulated agent is by also entering sludge conditioning pond, the second stage 32 by drain pipe in the second stage coagulated agent allotment container 31, and the mud that water ratio is lower and coagulated agent carry out the conditioning second time in sludge conditioning pond, the second stage 32.
The conditioning thickened sludge that obtains through conditioning for the second time is transported in the sludge press filtration machine 50 through fresh feed pump 40, water source 51 carries out mechanical dehydration by the conditioning thickened sludge in 52 pairs of sludge press filtration machines 50 of press pump, finally obtain water ratio and be lower than 60% mud cake, controller control air-blowing stripping mechanism 53 is with the mud cake unloading of blowing off in sludge press filtration machine 50, mud cake after the unloading is sent to transport trolley 80 places by pug transfer roller 60, subsequent treatment process such as transport trolley 80 transports that mud cake covers that mound is neat, anhydration and incineration, comprehensive utilization and landfill.
The filtrate that sludge press filtration machine 50 extruding conditioning thickened sludges obtain is delivered to aeration tank 70 through pipeline and is handled.
Above-described embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (8)
1. sludge drying integral system is characterized in that native system comprises following integral part:
Sludge thickener (10) is used for making the sewage mud liquid that enters wherein to separate, and makes the moisture percentage in sewage sludge after concentrating be equal to or less than 99%, and the mud after described the concentrating enters the sludge conditioning device;
The sludge conditioning device; Be used for the thickened sludge and the coagulated agent that enter are wherein done in order to obtain nursing one's health thickened sludge;
Fresh feed pump (40) is used for nursing one's health thickened sludge and is delivered to sludge press filtration equipment place;
Sludge press filtration equipment is used for nursing one's health thickened sludge and carries out filter-press dehydration and be lower than 60% mud cake to obtain moisture percentage in sewage sludge, and the filtrate discharge that filter-press dehydration obtains is to the aeration tank or biochemistry pool.
2. sludge drying integral system according to claim 1 is characterized in that: native system also comprises the pug transfer roller (60) that mud cake that sludge press filtration equipment is made outwards transmits.
3. sludge drying integral system according to claim 2, it is characterized in that: described sludge conditioning device comprises first step sludge conditioning device (20) and second stage sludge conditioning device (30) at least;
Described first step sludge conditioning device (20) is made of first step coagulated agent allotment container (21) and first step sludge conditioning pond (22), and the drain pipe of first step coagulated agent allotment container (21) is connected with first step sludge conditioning pond (22);
Described second stage sludge conditioning device (30) is made of second stage coagulated agent allotment container (31) and sludge conditioning pond, the second stage (32), and the drain pipe of second stage coagulated agent allotment container (31) is connected with sludge conditioning pond, the second stage (32);
Described sludge thickener (10) is connected with first step sludge conditioning pond (22) by drain pipe, first step sludge conditioning pond (22) is connected with sludge conditioning pond, the second stage (32) by drain pipe, and described fresh feed pump (40) is arranged on the discharge end in sludge conditioning pond, the second stage (32).
4. sludge drying integral system according to claim 3 is characterized in that: native system comprises that also described mud feed bin (90) is connected with first step sludge conditioning pond (22) by discharge nozzle be used to the mud feed bin (90) that holds wet mud.
5. sludge drying integral system according to claim 3 is characterized in that: two of being set to be connected in parallel to each other of described fresh feed pump (40).
6. sludge drying integral system according to claim 3, it is characterized in that: described sludge press filtration equipment comprises sludge press filtration machine (50), also comprise the water source (51) that is connected with the feed-water end of sludge press filtration machine (50) by press pump (52), the water side of described sludge press filtration machine (50) is connected with water source (51) by pipeline.
7. sludge drying integral system according to claim 6 is characterized in that: described sludge press filtration equipment also comprises the mud cake in the sludge press filtration machine (50) is carried out self-discharging air-blowing stripping mechanism (53).
8. sludge drying integral system according to claim 7 is characterized in that: described fresh feed pump (40), pug transfer roller (60), first step coagulated agent allotment container (21), second stage coagulated agent allotment container (31), sludge press filtration machine (50), press pump (52) and air-blowing stripping mechanism (53) all are electrically connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320034166 CN203128377U (en) | 2013-01-23 | 2013-01-23 | Sludge drying integrated system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320034166 CN203128377U (en) | 2013-01-23 | 2013-01-23 | Sludge drying integrated system |
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| Publication Number | Publication Date |
|---|---|
| CN203128377U true CN203128377U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320034166 Expired - Fee Related CN203128377U (en) | 2013-01-23 | 2013-01-23 | Sludge drying integrated system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386899A (en) * | 2014-03-13 | 2015-03-04 | 南京道科环境科技有限公司 | Efficient automatic control method for sludge deep dehydration |
| CN107226598A (en) * | 2017-08-03 | 2017-10-03 | 福建润土工程科技有限公司 | One-stop mud disposal system |
| CN109020139A (en) * | 2018-07-19 | 2018-12-18 | 广州福之源环保科技有限公司 | A kind of municipal sludge decrement method |
-
2013
- 2013-01-23 CN CN 201320034166 patent/CN203128377U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386899A (en) * | 2014-03-13 | 2015-03-04 | 南京道科环境科技有限公司 | Efficient automatic control method for sludge deep dehydration |
| CN104386899B (en) * | 2014-03-13 | 2016-06-08 | 江苏道科环境科技有限公司 | The efficient autocontrol method of a kind of deeply dehydrating sludge |
| CN107226598A (en) * | 2017-08-03 | 2017-10-03 | 福建润土工程科技有限公司 | One-stop mud disposal system |
| CN109020139A (en) * | 2018-07-19 | 2018-12-18 | 广州福之源环保科技有限公司 | A kind of municipal sludge decrement method |
| CN109020139B (en) * | 2018-07-19 | 2021-07-09 | 广州福之源环保科技有限公司 | Municipal sludge reduction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20150123 |
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| EXPY | Termination of patent right or utility model |