CN212025170U - Concentrated electroosmosis deep dehydration all-in-one machine - Google Patents
Concentrated electroosmosis deep dehydration all-in-one machine Download PDFInfo
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- CN212025170U CN212025170U CN202020672364.5U CN202020672364U CN212025170U CN 212025170 U CN212025170 U CN 212025170U CN 202020672364 U CN202020672364 U CN 202020672364U CN 212025170 U CN212025170 U CN 212025170U
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- 230000018044 dehydration Effects 0.000 title claims abstract description 75
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 75
- 238000005370 electroosmosis Methods 0.000 title claims abstract description 41
- 239000010802 sludge Substances 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000005484 gravity Effects 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 5
- 239000010865 sewage Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000012163 sequencing technique Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model relates to a concentrated type electroosmosis degree of depth dehydration all-in-one, include: the system comprises a belt-type concentration system for primarily concentrating sludge, a cache material distribution device for caching the concentrated sludge and distributing materials, and at least two groups of electro-osmotic dehydration module systems which are sequentially connected; the belt type concentration system comprises a low-concentration material distribution box, a gravity dehydration section, a wedge-shaped dehydration section, an S-shaped rotary dehydration section and a conveying system and is used for recovering the removed sewage; the conveying system comprises a filter belt, an automatic filter belt deviation rectifying mechanism and a pneumatic filter belt tensioning mechanism; and after the sludge is preliminarily concentrated by the belt-type concentration system, the sludge enters the electroosmosis dehydration module system for further electroosmosis drying through the sequencing batch material distribution of the cache material distribution device. Has the advantages that: structural design is reasonable, and it is little to take up an area of the space, realizes the disposable high dry dehydration of low dense mud through multi-stage concentration, electroosmosis effect, and concentrated type electroosmosis all-in-one design can simplify technology, and effectual reduction energy consumption improves the treatment effeciency.
Description
Technical Field
The utility model belongs to the technical field of the sludge dewatering technique and specifically relates to a concentrated type electroosmosis degree of depth dehydration all-in-one is related to.
Background
With the high-speed development of national economy, the total amount of municipal sludge with the water content of 80% in China exceeds 7000 million tons, other industrial sludge also approaches 5000 million tons, the sludge components are complex, the treatment and disposal difficulty is high, and the national sludge treatment and disposal principle is as follows: reduction, harmlessness, stabilization and recycling. Where the reduction is crucial. The traditional method of decrement is that mud adds the medicine and takes care of the back degree of dehydration, can cause like this that mud absolutely dry increment and decrement's original intention contradict each other, and follow-up processing degree of difficulty increases. And the other method adopts heat drying for reduction, and because the 80 percent water content of the sludge is too high, the drying energy consumption is very large, and the investment and the operation cost of large-scale popularization and application are very high.
The electro-osmosis deep dehydration is adopted, the sludge with the water content of 80 percent can be directly subjected to deep dehydration to below 60 percent without adding medicaments, the deep dehydration is an advanced electric energy deep dehydration technology, and the dehydrated sludge has no adverse effect on subsequent treatment. The electroosmosis deep dehydrator consumes 60-80 degrees of electricity for treating ton of sludge, has the maximum single machine processing capacity of 50 tons/day, and is suitable for large-scale popularization and application.
Although electro-osmotic deep dehydration has great technical advantages, in practical application, a plurality of problems still exist to be solved: 1. the existing electro-osmosis deep dehydrator is suitable for sludge with the water content of about 80 percent, and the sludge can be lapped with the electro-osmosis deep dehydrator only through conveying and buffer transition and then is subjected to deep dehydration. The transportation equipment and installation increases the floor space and investment. 2. During the process of conveying the sludge, the dewatering property of the original sludge is deteriorated by conveying and stirring, and the treatment capacity and treatment effect of subsequent electroosmosis dewatering are reduced. 3. The sludge is easy to mix hard or metal impurities in the conveying process to damage the anode plate and the filter screen, and the metal impurities can also cause short circuit ignition of the electroosmosis anode and the cathode to cause overload tripping and shutdown. 4. When sludge dewatering equipment of a newly-built sewage treatment plant is updated or sludge dewatering equipment is updated, a user hopes to adopt one equipment to finish one-time dewatering to 60 percent, so that the process is simplified, the number of operators is reduced, and the operation cost is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a concentrated type electroosmosis degree of depth dehydration all-in-one to stirring makes former mud dewatering nature variation among the big, the technology of area among the solution prior art complicacy, the transportation process, sneak into the problem of stereoplasm or metal debris easily.
The utility model provides a technical problem adopt following technical scheme to realize:
a concentrated electroosmosis deep dehydration all-in-one machine comprises: the system comprises a belt-type concentration system for primarily concentrating sludge, a cache material distribution device for caching the concentrated sludge and distributing materials, and at least two groups of electro-osmotic dehydration module systems which are sequentially connected;
the belt-type concentration system comprises a low-concentration material distribution box, a gravity dehydration section, a wedge-shaped dehydration section, an S-shaped rotary dehydration section and a conveying system, wherein water receiving tanks are arranged below the gravity dehydration section, the wedge-shaped dehydration section and the S-shaped rotary dehydration section and used for recovering removed sewage; the conveying system comprises a filter belt, an automatic filter belt deviation rectifying mechanism and a pneumatic filter belt tensioning mechanism;
and after the sludge is preliminarily concentrated by the belt-type concentration system, the sludge enters the electroosmosis dehydration module system for further electroosmosis drying through the sequencing batch material distribution of the cache material distribution device.
As preferred technical scheme, electroosmosis dehydration module system is two sets of, and is adjacent two sets of be equipped with mud turning device between the electroosmosis dehydration module system for realize the upset of mud, in order to improve the electroosmosis effect, mud turning device includes scraper and slide, the scraper is located the place ahead electroosmosis dehydration module system's discharge gate, and with certain contained angle alpha is become to the filter belt of discharge gate department, contained angle alpha preferred is 45, the slide is located the below of scraper, and with the scraper becomes certain contained angle beta, contained angle beta is preferred 45.
Preferably, a cleaning mechanism is further provided on the conveying system for cleaning the filter belt.
As a preferable technical scheme, the discharge hole of the belt type concentration system is provided with two mud scrapers which are respectively contacted with the upper filter belt and the lower filter belt of the conveying system.
As a preferred technical scheme, the angle of the wedge-shaped dewatering section for extruding the materials is 3-5 degrees.
Preferably, the wedge-shaped dewatering section and the S-shaped rotary dewatering section are in transitional connection through a T-shaped dewatering roll, and the diameter of the T-shaped dewatering roll is at least 50 cm.
As a preferred technical scheme, a filter screen is arranged in the cache cloth device and used for filtering hard objects or metal blocks.
Has the advantages that:
1) the utility model has the advantages of reasonable design, it is little to take up an area of the space, through multistage concentration, electroosmosis, can realize that 99% mud of moisture content once only dewaters to below 60%.
2) The sludge concentration and the electroosmosis deep dehydration are integrated, the process can be simplified, the stirring is reduced, the concentrated sludge is fresh and easy to dehydrate, the energy consumption of ton sludge (calculated by absolute dryness) can be reduced by 5-8%, and the daily treatment capacity is improved by 2-3%.
3) The all-in-one machine fundamentally stops hard or metal sundries from entering the electroosmosis dehydration zone, effectively protects the electroosmosis anode plate and the filter screen, prevents the fault shutdown caused by short circuit, and prolongs the service life of the equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 shows the utility model: a schematic structure diagram of a concentrated electroosmosis deep dehydration all-in-one machine;
wherein:
100-belt concentration system
101-low concentration distributing box
102-gravity dewatering section
103-wedge-shaped dewatering section
104-S rotary dewatering section
105-conveying system
106-water receiving tank
107-T type dewatering roll
108-mud scraper
1051-filter belt
1052-filter belt automatic deviation rectifying mechanism
1053-pneumatic straining device of filter belt
1054-cleaning mechanism
200-buffer material distributing device
201-Filter Screen
300-electroosmotic dehydration module system
301-sludge turnover device
3011 scraper
3012 skateboard
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Example 1
Referring to fig. 1, a concentrated electroosmosis deep dehydration all-in-one machine comprises: the system comprises a belt-type concentration system 100 for primarily concentrating sludge, a buffer material distribution device 200 for distributing material and at least two groups of electro-osmotic dehydration module systems 300 which are connected in sequence.
The belt-type concentration system 100 of the present invention comprises a low-concentration material distribution box 101, a gravity dewatering section 102, a wedge dewatering section 103, an S-type whirling dewatering section 104, and a conveying system 105, wherein water receiving tanks 106 are respectively arranged below the gravity dewatering section 102, the wedge dewatering section 103, and the S-type whirling dewatering section 104 for recovering separated sewage; when the sludge is distributed to the belt-type concentration system 100 through the low-concentration distribution box 101, the sludge is firstly dehydrated under the action of gravity in the gravity dehydration section 102 and is conveyed to the wedge-shaped dehydration section 103 through the filter belt 1051, wherein the angle of extruding materials by the wedge-shaped dehydration section 103 is 3-5 degrees, the extrusion and shearing action is applied to the sludge due to the gradual reduction of the filter belt gap of the conveying system 105, so that the sludge is dehydrated again, the fluidity of the sludge is almost completely lost after the stage, the sludge is ensured not to be extruded in the subsequent S-convolution dehydration section 104, then the sludge enters the S-convolution dehydration section 104, the S-convolution dehydration section 104 is composed of a plurality of extrusion rollers with gradually reduced diameters, the extrusion shearing force borne by the sludge can be gradually increased, a large amount of capillary water is removed, the sludge is discharged as a mud cake, and the water content is reduced to about.
In order to realize the moisture in the better desorption mud, the utility model discloses a wedge dehydration section 103 and S revolve round and dewater between the section 104 through T type dehydration roller 107 transitional coupling, T type dehydration roller 107 is that the diameter is 50cm at least, through the squeezing action of T type dehydration roller 107, better realization reduces the mobility of mud.
The discharge port of the belt-type concentration system 100 is provided with two mud scrapers 108, the two mud scrapers 108 are respectively contacted with the upper filter belt 1051 and the lower filter belt 1051 of the conveying system 105, and mud cakes passing through the gravity dewatering section 102, the wedge-shaped dewatering section 103 and the S-shaped convoluted dewatering section 104 are scraped by the mud scrapers 108 and enter the buffer distributing device 200.
In order to prevent hard or metal impurities from entering the electroosmosis dehydration region, the filter screen 201 is arranged in the buffer material distribution device 200, so that the electroosmosis anode plate is effectively protected, the fault shutdown caused by short circuit is prevented, and the service life of the device is prolonged.
The utility model discloses an include filter belt 1051, filter belt automatic deviation rectification mechanism 1052, the pneumatic straining device 1053 of filter belt, wiper mechanism 1054 at conveying system 105, above-mentioned structure is conventional design, no longer gives unnecessary details once more.
The utility model discloses an electroosmotic dehydration module system 300 is two sets, the direction of operation of each electroosmotic dehydration module system 300 is the same, there is certain step difference between two adjacent electroosmotic dehydration module systems 300, and the height of the former electroosmotic dehydration module system 300 is higher than that of the latter electroosmotic dehydration module system 300, the material receiving section of the latter electroosmotic dehydration module system 300 is located below the material discharging section of the former electroosmotic dehydration module system 300; be equipped with mud turning device 301 between two adjacent sets of electroosmosis dehydration module system 300 for realize the upset of mud, in order to improve the electroosmosis effect, mud turning device 301 includes scraper 3011, and slide 3012, the discharge gate of electroosmosis dehydration module system 300 that scraper 3011 is located the place ahead, and with certain contained angle alpha of filter belt 1051 of discharge gate department, contained angle alpha is preferred 45, slide 3012 is located the below of scraper 3011, and with scraper 3011 to become certain contained angle beta, contained angle beta is preferred 45.
When mud when first group electroosmosis dehydration module system 300, carry out electroosmosis dehydration, the moisture content of mud lower floor is higher than the upper strata, when mud gets into second group and gets into electroosmosis dehydration module system 300, under mud turning device 301's effect, the upset of upper and lower floor of mud, when carrying out electroosmosis dehydration once more, electroosmosis dehydration efficiency does not change basically, and mud generates heat fewly, and the energy consumption reduces, and the upper and lower dry humidity of mud cake is unanimous basically, and whole dryness factor improves. Through measurement and calculation, the dehydration time of the whole period is reduced by 2 minutes, the average water content of the mud cakes is detected to be 50%, the average difference of the water content of the mud cakes on the upper layer and the lower layer is 2%, the power consumption of the original mud is 98 degrees when the energy consumption is 1 ton of water content is 80%, the energy is saved by 25% compared with the original dehydration mode, and the dryness is improved by 25%.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a concentrated type electroosmosis degree of depth dehydration all-in-one which characterized in that includes: the system comprises a belt-type concentration system for primarily concentrating sludge, a cache material distribution device for caching the concentrated sludge and distributing materials, and at least two groups of electro-osmotic dehydration module systems which are sequentially connected;
the belt-type concentration system comprises a low-concentration material distribution box, a gravity dehydration section, a wedge-shaped dehydration section, an S-shaped rotary dehydration section and a conveying system, wherein water receiving tanks are arranged below the gravity dehydration section, the wedge-shaped dehydration section and the S-shaped rotary dehydration section and used for recovering removed sewage; the conveying system comprises a filter belt, an automatic filter belt deviation rectifying mechanism and a pneumatic filter belt tensioning mechanism;
and after the sludge is preliminarily concentrated by the belt-type concentration system, sequentially distributing the sludge into the electroosmosis dehydration module system for further electroosmosis drying through the buffer material distribution device.
2. The integrated machine of claim 1, wherein the electro-osmotic dehydration module systems are two groups, a sludge turning device is arranged between two adjacent groups of electro-osmotic dehydration module systems, the sludge turning device comprises a scraper and a sliding plate, the scraper is located at the front of the discharge port of the electro-osmotic dehydration module system and forms an included angle α with the filter belt at the discharge port, and the sliding plate is located below the scraper and forms an included angle β with the scraper.
3. The integrated machine of claim 2, wherein the included angle α is 45 ° and the included angle β is 45 °.
4. The integrated machine of claim 1, wherein a cleaning mechanism is further disposed on the conveying system for cleaning the filter belt.
5. The integrated machine of claim 1, wherein two mud scrapers are disposed at the outlet of the belt-type concentration system, and are respectively in contact with the upper and lower filter belts of the conveying system.
6. The integrated machine of claim 1, wherein the wedge-shaped dewatering section squeezes the material at an angle of 3-5 °.
7. The integrated machine of claim 1, wherein the wedge-shaped dewatering section and the S-shaped rotary dewatering section are in transitional connection through a T-shaped dewatering roll, and the T-shaped dewatering roll has a diameter of at least 50 cm.
8. The integrated machine of claim 1, wherein a filter screen for filtering hard materials or metal blocks is arranged in the buffer cloth device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020672364.5U CN212025170U (en) | 2020-04-28 | 2020-04-28 | Concentrated electroosmosis deep dehydration all-in-one machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020672364.5U CN212025170U (en) | 2020-04-28 | 2020-04-28 | Concentrated electroosmosis deep dehydration all-in-one machine |
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| Publication Number | Publication Date |
|---|---|
| CN212025170U true CN212025170U (en) | 2020-11-27 |
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|---|---|---|---|
| CN202020672364.5U Expired - Fee Related CN212025170U (en) | 2020-04-28 | 2020-04-28 | Concentrated electroosmosis deep dehydration all-in-one machine |
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| CN (1) | CN212025170U (en) |
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2020
- 2020-04-28 CN CN202020672364.5U patent/CN212025170U/en not_active Expired - Fee Related
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Granted publication date: 20201127 |