CN203890211U - Belt-type dense-phase deep dehydration system - Google Patents
Belt-type dense-phase deep dehydration system Download PDFInfo
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- CN203890211U CN203890211U CN201420324251.0U CN201420324251U CN203890211U CN 203890211 U CN203890211 U CN 203890211U CN 201420324251 U CN201420324251 U CN 201420324251U CN 203890211 U CN203890211 U CN 203890211U
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Abstract
The utility model discloses a belt-type dense-phase deep dehydration system and belongs to the technical field of sludge dehydration. According to the system, a sludge feeding device and a curing agent and accelerator adding device are respectively connected to a stirrer, the stirrer is connected to the hydration reaction device and the hydration reaction device is connected to a belt-type filter press dehydrator. By virtue of the belt-type dense-phase deep dehydration system disclosed by the utility model, sludge of which the moisture content is 98-99.8% can be dehydrated into sludge of which the moisture content is 60% or less, by virtue of adding the curing agent and accelerator, the performance of sludge can be changed, the sludge is easier to gather and convenient for a belt-type filter press dehydrator to carry out dehydration, the efficiency and speed of the dehydration are increased and the system has the advantages of simplicity in operation and low running cost.
Description
Technical field
The utility model belongs to sludge dewatering technical field, is specifically related to the close phase deep dehydration of a kind of belt system.
Background technology
Coming 10 years be wastewater treatment in China market golden age, will build up thousands of sewage works.Every day will be discharged the hundreds of and even up to ten thousand tons of excess sludge of water ratio approximately 99.2% by Mei Zuo sewage work, and the mud of these enormous amount will become a difficult problem following in need of immediate treatment.Sludge disposal technology has comprised concentrated, the dehydration of mud and the technology of dry three aspects:.Domestic existing be the concentrated and dehydration technique of mud substantially, mud is after concentrated and dehydration, generally water ratio can only be reduced to 80% left and right, and developed country just progressively requires the water ratio of mud to be reduced to 20%-30%.Therefore, efficient, economic sludge disposal technology will have huge market.Along with the raising of wastewater treatment rate, sludge yield also constantly increases, and the processing handling problems of mud is further outstanding.To disposal China drug in some provinces of mud, below require sewage work's moisture percentage in sewage sludge that dispatches from the factory to be no more than 60%.
Under this situation, find a kind of dewatering unit quickly and easily extremely urgent.Contriver is in conjunction with method and the experience of domestic and international existing dehydrating and curing, through the test of nearly thousand times, development and production KTZJ type mechanical dehydration cure system.This system can make the mud of water ratio 80% remove fast moisture content to water ratio 60% by mechanical method, and this system operation is simple, and running cost is low.Sludge deep fast dewatering treatment process, mud is after modifier modification, directly by belt filter press press filtration fast dewatering.This belt filter press press filtration divides low pressure, middle pressure, high pressure San Ge press filtration district, and low pressure place is orifice plate press filtration, and middle pressure adopts the press filtration of flat flute profile pressing plate, and high pressure adopts multistage roll extrusion press filtration.Action is controlled automatically by pneumatic element, and belt speed adopts speed control by frequency variation, according to output and water content, requires to regulate, and strainer adopts high strength Polyurethane strainer.This filtering equipment has changed the press filtration after traditional sewage cohesion, but adopts cream to stick with paste the general layout of the direct press filtration of class mud.
Utility model content
The utility model, for the defect of prior art, proposes the close phase deep dehydration of a kind of belt system.
The close phase deep dehydration of a belt system, sludge feeding device and solidifying agent are connected with stirrer respectively with promotor adding set, and stirrer is connected with hydration reaction device, and hydration reaction device is connected with band press filter dewatering machine; Described sludge feeding device is comprised of sludge storage bin and mud feeding machine; Described solidifying agent and promotor adding set be by solidifying agent feed bin, solidifying agent feeding machine, and promotor basin and volume pump form, and solidifying agent feed bin and promotor basin are connected with solidifying agent feeding machine by volume pump separately.
Hydration reaction device is mainly comprised of conveying belt.According to different sludge characteristics, determine its length and width, play again the effect that mud is transported to next process simultaneously.For special mud, enter hydration reaction after the stage after stirring, can generate heat and produce a part of gas with foreign flavor, hydration reaction system is at this moment set up the air inducing water-bath system that eliminates the unusual smell.
Described band press filter dewatering machine consists of strainer, roll-in cylinder, strainer clamping system, strainer deviation system, filter belt flushing system and strainer drive system.
Band press filter dewatering machine is to carry sludge blanket secretly by the strainer of upper and lower two tensionings, S-shaped process from the roll-in cylinder of a succession of regular arrangement, rely on the tension force of strainer itself to form the squeezing of sludge blanket and shearing force, capillary water in sludge blanket is squeezed out, obtain the higher mud cake of solid content, thereby realize sludge dewatering.
Strainer requires it to have the features such as higher tensile strength, resistance to complications, acid and alkali-resistance, resistance to temperature variation, also should consider the specific nature of mud simultaneously, select applicable braiding texture, there is good permeability and the mud strainer to the interception performance of mud granule.
The deviation system of roll-in cylinder is by pneumatics automatic deviation correction.The clamping system of strainer, is controlled by pneumatic system, and strainer tension force general control is at 0.3～0.7MPa, and accepted value is 0.4MPa.Mud of different nature requires differently to belt speed, any specific mud is all existed to a best belt speed span of control, and within the scope of this, dewatering system can guarantee certain processing power, can obtain high-quality mud cake again.
A method for deeply dehydrating sludge, carry out in accordance with the following steps:
(1) according to parts by weight, 200 parts, the mud that is 80-99.8% by water content enters stirrer by sludge feeding device, and 5-8 part solidifying agent and 1-2 part properties-correcting agent are entered to stirrer by solidifying agent and promotor adding set, stirs 10min-90min;
(2) material being stirred enters hydration reaction device, reaction 1-15min;
(3) reacted material enters band press filter dewatering machine, and the strainer tension control of band press filter dewatering machine is at 0.3～0.7MPa, by material dewatering, and discharging.
Described solidifying agent is comprised of the material of following parts by weight: magnesium salts 20-30 part, oxymuriate 10-20 part, phosphoric acid salt 30-40 part, dibasic alcohol 10-20 part, alum 1-5 part.
Described magnesium salts is magnesium chloride; Described oxymuriate is Potcrate; Described phosphoric acid salt is sodium phosphate, SODIUM PHOSPHATE, MONOBASIC, one or more in disodium-hydrogen; Described dibasic alcohol is butyleneglycol, propylene glycol or cyclohexanediol.
Described properties-correcting agent is comprised of the material of following parts by weight: carboxymethyl cellulose 10-20 part, isocyanic ester-cyclodextrin copolymers 5-10 part, styrene-α-methylstyrene-acrylic copolymer 5-10 part, lady's-grass extract 1-5 part, purple stem boneset extract 1-5 part.
The extracting method of described lady's-grass extract is: lady's-grass dried, clays into power, add the 70% ethanolic soln refluxing extraction 3 times of 5-10 times of weight, and merging filtrate, evaporate to dryness is made.
The extracting method of described purple stem boneset extract is: Hemp Eupatorium dried, clays into power, add the 70% ethanolic soln refluxing extraction 3 times of 5-10 times of weight, and merging filtrate, evaporate to dryness is made.
The beneficial effects of the utility model: adopt the close phase deep dehydration of belt of the present utility model system and method, the sludge dewatering that can be 98-99.8% by the water yield is to water-content below 60%, the solidifying agent adding and promotor, can change the character of mud, make it be more prone to assemble, facilitate band press filter dewatering machine dehydration, increased efficiency and the speed of dehydration, this system operation is simple, and running cost is low.
Accompanying drawing explanation
Fig. 1 is the close phase deep dehydration of the utility model belt system architecture schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Embodiment 1
The close phase deep dehydration of a belt system, sludge feeding device and solidifying agent are connected with stirrer respectively with promotor adding set, and stirrer is connected with hydration reaction device, and hydration reaction device is connected with band press filter dewatering machine; Described sludge feeding device is comprised of sludge storage bin and mud feeding machine; Described solidifying agent and promotor adding set be by solidifying agent feed bin, solidifying agent feeding machine, and promotor basin and volume pump form, and solidifying agent feed bin and promotor basin are connected with solidifying agent feeding machine by volume pump separately.
Described band press filter dewatering machine consists of strainer, roll-in cylinder, strainer clamping system, strainer deviation system, filter belt flushing system and strainer drive system.
A method for deeply dehydrating sludge, carry out in accordance with the following steps:
(1) according to parts by weight, 200 parts, the mud that is 80% by water content enters stirrer by sludge feeding device, and 5 parts of solidifying agent and 1 part of properties-correcting agent are entered to stirrer by solidifying agent and promotor adding set, stirs 10min;
(2) material being stirred enters hydration reaction device, reaction 1min;
(3) reacted material enters band press filter dewatering machine, and the strainer tension control of band press filter dewatering machine is at 0.3MPa, by material dewatering, and discharging.
Described solidifying agent is comprised of the material of following parts by weight: 20 parts, magnesium chloride, 10 parts, Potcrate, 30 parts of sodium phosphates, 10 parts of propylene glycol, 1 part, alum.
Described properties-correcting agent is comprised of the material of following parts by weight: 10 parts of carboxymethyl celluloses, 5 parts of isocyanic ester-cyclodextrin copolymers, 5 parts of styrene-α-methylstyrene-acrylic copolymers, 1 part of lady's-grass extract, 1 part of purple stem boneset extract.
The extracting method of described lady's-grass extract is: lady's-grass dried, clays into power, add the 70% ethanolic soln refluxing extraction 3 times of 5 times of weight, and merging filtrate, evaporate to dryness is made.
The extracting method of described purple stem boneset extract is: Hemp Eupatorium dried, clays into power, add the 70% ethanolic soln refluxing extraction 3 times of 5 times of weight, and merging filtrate, evaporate to dryness is made.
It is 54% mud cake that the method for this embodiment can obtain water ratio.
Embodiment 2
The close phase deep dehydration of a belt system, sludge feeding device and solidifying agent are connected with stirrer respectively with promotor adding set, and stirrer is connected with hydration reaction device, and hydration reaction device is connected with band press filter dewatering machine; Described sludge feeding device is comprised of sludge storage bin and mud feeding machine; Described solidifying agent and promotor adding set be by solidifying agent feed bin, solidifying agent feeding machine, and promotor basin and volume pump form, and solidifying agent feed bin and promotor basin are connected with solidifying agent feeding machine by volume pump separately.
Described band press filter dewatering machine consists of strainer, roll-in cylinder, strainer clamping system, strainer deviation system, filter belt flushing system and strainer drive system.
A method for deeply dehydrating sludge, carry out in accordance with the following steps:
(1) according to parts by weight, 200 parts, the mud that is 85% by water content enters stirrer by sludge feeding device, and 7 parts of solidifying agent and 1.5 parts of properties-correcting agent are entered to stirrer by solidifying agent and promotor adding set, stirs 30min;
(2) material being stirred enters hydration reaction device, reaction 5min;
(3) reacted material enters band press filter dewatering machine, and the strainer tension control of band press filter dewatering machine is at 0.4MPa, by material dewatering, and discharging.
Described solidifying agent is comprised of the material of following parts by weight: 25 parts, magnesium chloride, 15 parts, Potcrate, 35 parts of SODIUM PHOSPHATE, MONOBASIC, 15 parts of cyclohexanediols, 3 parts, alum.
Described properties-correcting agent is comprised of the material of following parts by weight: 15 parts of carboxymethyl celluloses, 7 parts of isocyanic ester-cyclodextrin copolymers, 7 parts of styrene-α-methylstyrene-acrylic copolymers, 3 parts of lady's-grass extracts, 3 parts of purple stem boneset extracts.
The extracting method of described lady's-grass extract is: lady's-grass dried, clays into power, add the 70% ethanolic soln refluxing extraction 3 times of 8 times of weight, and merging filtrate, evaporate to dryness is made.
The extracting method of described purple stem boneset extract is: Hemp Eupatorium dried, clays into power, add the 70% ethanolic soln refluxing extraction 3 times of 8 times of weight, and merging filtrate, evaporate to dryness is made.
It is 52% mud cake that the method for this embodiment can obtain water ratio.
Embodiment 3
The close phase deep dehydration of a belt system, sludge feeding device and solidifying agent are connected with stirrer respectively with promotor adding set, and stirrer is connected with hydration reaction device, and hydration reaction device is connected with band press filter dewatering machine; Described sludge feeding device is comprised of sludge storage bin and mud feeding machine; Described solidifying agent and promotor adding set be by solidifying agent feed bin, solidifying agent feeding machine, and promotor basin and volume pump form, and solidifying agent feed bin and promotor basin are connected with solidifying agent feeding machine by volume pump separately.
Described band press filter dewatering machine consists of strainer, roll-in cylinder, strainer clamping system, strainer deviation system, filter belt flushing system and strainer drive system.
A method for deeply dehydrating sludge, carry out in accordance with the following steps:
(1) according to parts by weight, 200 parts, the mud that is 90 by water content enters stirrer by sludge feeding device, and 8 parts of solidifying agent and 2 parts of properties-correcting agent are entered to stirrer by solidifying agent and promotor adding set, stirs 80min;
(2) material being stirred enters hydration reaction device, reaction 14min;
(3) reacted material enters band press filter dewatering machine, and the strainer tension control of band press filter dewatering machine is at 0.7MPa, by material dewatering, and discharging.
Described solidifying agent is comprised of the material of following parts by weight: 30 parts, magnesium chloride, 20 parts, Potcrate, 40 parts of disodium-hydrogens, 20 parts of butyleneglycols, 5 parts, alum.
Described properties-correcting agent is comprised of the material of following parts by weight: 20 parts of carboxymethyl celluloses, 10 parts of isocyanic ester-cyclodextrin copolymers, 10 parts of styrene-α-methylstyrene-acrylic copolymers, 5 parts of lady's-grass extracts, 5 parts of purple stem boneset extracts.
The extracting method of described lady's-grass extract is: lady's-grass dried, clays into power, add the 70% ethanolic soln refluxing extraction 3 times of 10 times of weight, and merging filtrate, evaporate to dryness is made.
The extracting method of described purple stem boneset extract is: Hemp Eupatorium dried, clays into power, add the 70% ethanolic soln refluxing extraction 3 times of 10 times of weight, and merging filtrate, evaporate to dryness is made.
It is 49% mud cake that the method for this embodiment can obtain water ratio.
Claims (2)
1. the close phase deep dehydration of a belt system, is characterized in that, sludge feeding device and solidifying agent are connected with stirrer respectively with promotor adding set, and stirrer is connected with hydration reaction device, and hydration reaction device is connected with band press filter dewatering machine; Described sludge feeding device is comprised of sludge storage bin and mud feeding machine; Described solidifying agent and promotor adding set be by solidifying agent feed bin, solidifying agent feeding machine, and promotor basin and volume pump form, and solidifying agent feed bin and promotor basin are connected with solidifying agent feeding machine by volume pump separately.
2. the close phase deep dehydration of a kind of belt system according to claim 1, is characterized in that, described band press filter dewatering machine consists of strainer, roll-in cylinder, strainer clamping system, strainer deviation system, filter belt flushing system and strainer drive system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324251.0U CN203890211U (en) | 2014-06-18 | 2014-06-18 | Belt-type dense-phase deep dehydration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324251.0U CN203890211U (en) | 2014-06-18 | 2014-06-18 | Belt-type dense-phase deep dehydration system |
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| CN203890211U true CN203890211U (en) | 2014-10-22 |
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| CN201420324251.0U Expired - Fee Related CN203890211U (en) | 2014-06-18 | 2014-06-18 | Belt-type dense-phase deep dehydration system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016561A (en) * | 2014-06-18 | 2014-09-03 | 江苏康泰环保设备有限公司 | Belt-type dense-phase deep dewatering system and method |
| CN106830620A (en) * | 2017-01-18 | 2017-06-13 | 江苏泽宇环境工程有限公司 | A kind of sludge dehydration device |
| CN114262131A (en) * | 2021-12-13 | 2022-04-01 | 江苏旺佳环保工程设备有限公司 | Sludge treatment method |
-
2014
- 2014-06-18 CN CN201420324251.0U patent/CN203890211U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016561A (en) * | 2014-06-18 | 2014-09-03 | 江苏康泰环保设备有限公司 | Belt-type dense-phase deep dewatering system and method |
| CN106830620A (en) * | 2017-01-18 | 2017-06-13 | 江苏泽宇环境工程有限公司 | A kind of sludge dehydration device |
| CN114262131A (en) * | 2021-12-13 | 2022-04-01 | 江苏旺佳环保工程设备有限公司 | Sludge treatment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hua Chengwei Inventor after: Wang Fei Inventor before: Zheng Hong Inventor before: Wang Fei Inventor before: Hua Chengwei Inventor before: Yuan Zhefei |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHENG HONG WANG FEI HUA CHENGWEI YUAN ZHEFEI TO: HUA CHENGWEI WANG FEI |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20170618 |