CN210394118U - Sludge high-pressure dehydrator - Google Patents
Sludge high-pressure dehydrator Download PDFInfo
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- CN210394118U CN210394118U CN201921169812.3U CN201921169812U CN210394118U CN 210394118 U CN210394118 U CN 210394118U CN 201921169812 U CN201921169812 U CN 201921169812U CN 210394118 U CN210394118 U CN 210394118U
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- 239000010802 sludge Substances 0.000 title claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 239000010935 stainless steel Substances 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 9
- 239000004744 fabric Substances 0.000 description 26
- 230000018044 dehydration Effects 0.000 description 12
- 238000006297 dehydration reaction Methods 0.000 description 12
- 230000007480 spreading Effects 0.000 description 10
- 238000003892 spreading Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 239000010865 sewage Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000011899 heat drying method Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a mud high pressure dewaterer, including main body frame, main body frame to main body frame's inside fixedly connected with straining device, straining device's top is provided with equipartition mechanism, main body frame's inside and the one side that is located equipartition mechanism are provided with squeezing mechanism, and one side of squeezing mechanism is provided with the mechanism of rectifying, and the mechanism of rectifying runs through main body frame and extends to main body frame's outside one side of keeping away from squeezing mechanism, and the top of main body frame one side is provided with actuating mechanism, and the inside of main body frame and the one side that is located actuating mechanism are provided with washes the mechanism. The method has the advantages that the water content of the primarily dewatered sludge can be reduced to 40-70%, the treatment effect is obvious, the operation cost is low, the dewatered sludge is flaky or powdery, is not reduced when meeting water, the low-level heat value is improved, the subsequent treatment is facilitated, the pressure increment is realized by pressing rollers with different roller diameters, and the ultimate dewatering capacity of equipment can be improved by adopting a mode of counter-pressing or continuous counter-pressing.
Description
Technical Field
The utility model relates to a sludge dewatering equipment especially relates to a mud high pressure dewaterer.
Background
With the acceleration of the urbanization process and the continuous improvement of the living standard of people, the public pays more and more attention to the environmental problem and the requirement on the environmental quality is gradually improved, a centralized urban domestic sewage treatment plant is built in most cities in China, however, the sewage treatment technology transfers a large amount of pollutants in sewage to residual sludge, the sludge yield of the sewage treatment plant is increased sharply, and the water pollution problem is converted into the treatment problem of solid waste.
Sludge dewatering actually refers to the removal of interstitial water from sludge. The interstitial water is theoretically easy to remove, but because the sludge is formed by the aggregation of flocculent colloids, the particles are fine and soft, and because the soft particles have certain compressibility, when external force is increased, the particles form a layer of 'film' with very small gaps on the surface of the filter medium, so that water is difficult to pass through, and the dehydration is extremely difficult. The thermal refining treatment of the sludge is a key link and a core technology of sludge dehydration. The quenching and tempering treatment is to destroy the colloidal structure of the sludge, reduce the affinity between sludge and water and improve the dehydration performance of the sludge.
The deep sludge dewatering refers to a process of reducing the water content of sludge cakes after sludge dewatering to below 60% by performing conditioning treatment on sludge after primary dewatering and then performing secondary high-pressure dewatering and the like, so that the volume can be reduced by more than 50%, and more importantly, the subsequent treatment and disposal routes of the sludge can be wider.
The existing sludge dewatering method mainly comprises the following steps: natural drying, mechanical dehydration and heat drying. The natural drying is a dehydration method for evaporating water in primary dehydrated sludge by utilizing natural conditions such as light, wind and the like, and the method has obvious advantages, simple operation and low cost, but has a plurality of defects, such as low dehydration efficiency, large floor area, easy generation of odor to cause secondary pollution and the like, and is only suitable for specific occasions; the heat drying method can reduce the water content of the sludge to be below 20 percent, but the application of the heat drying method is limited due to large energy consumption and high requirement on equipment; the mechanical dehydration is widely applied to sludge dehydration due to simple operation, high dehydration speed, good effect and low energy consumption, and is the most common dehydration method for sewage treatment.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a sludge high-pressure dehydrator, which can solve the problems that the existing sludge dehydrating equipment has complex process flow, poor dehydrating effect, low sludge treatment capacity, high investment cost, high labor cost and high operation cost.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a mud high pressure dewaterer, including main body frame, main body frame to main body frame's inside fixedly connected with straining device, straining device's top is provided with equipartition mechanism, main body frame's inside and the one side that is located equipartition mechanism are provided with squeezing mechanism, one side of squeezing mechanism is provided with the mechanism of rectifying to one side that squeezing mechanism was kept away from to the mechanism of rectifying runs through main body frame and extends to main body frame's outside, the top of main body frame one side is provided with actuating mechanism, one side that main body frame's inside and be located actuating mechanism is provided with washes the mechanism.
As an optimized technical scheme of the utility model, main body frame is carbon steel or stainless steel, and the outward appearance adopts totally enclosed "Z" style of calligraphy design.
As the utility model discloses a preferred technical scheme, the main body frame top adopts flat sheet metal closing cap, all adopts the dodge gate to seal all around, and the bottom adopts protruding slot back cover down, flat sheet metal is a corrosion resistant plate or is pieced together by polylith corrosion resistant plate and forms.
As an optimal technical scheme of the utility model, the both sides dodge gate material is one of transparent materials such as polyvinyl chloride, organic glass or transparent ABS around.
As an optimized technical scheme of the utility model, the both sides dodge gate adopts two forms of opening the door around, and is fixed through the hasp lock.
As an optimal technical scheme of the utility model, the left and right sides dodge gate is stainless steel material, the left and right sides dodge gate adopts one of the forms such as vertical hinged door, push-and-pull door, folding door or tilt-up door, one or more exhaust interface has been seted up on the steel sheet.
Compared with the prior art, the utility model discloses the beneficial effect that can reach is:
the utility model can reduce the water content of the once dewatered sludge to 40-70% by carrying out mechanical high-pressure dewatering on the conditioned sludge, has obvious treatment effect, low operation cost, the dewatered sludge is flaky or powdery, can not be reduced when meeting water, improves low-level heat value and is beneficial to subsequent treatment, realizes pressure increasing by arranging pressing rollers with different roller diameters, adopts a mode of counter-pressing or continuous counter-pressing, improves the limit dewatering capacity of equipment, adopts a sludge distributor to uniformly distribute the sludge between upper and lower filter cloths, ensures that the sludge and the filter cloths are stressed uniformly, improves the sludge dewatering effect, reduces the running loss of the filter cloths, adopts modes of air blowing and suction, hairbrush filtration, water removal and the like, improves the washing and drying of the filter cloths, avoids the water adhered to the filter cloths from entering the sludge, influences the sludge dewatering effect, adopts a Z-shaped design in appearance, greatly reduces the occupied area, the elevation connection of the equipment is facilitated; adopts a totally-enclosed structure, is beautiful and sanitary, and is beneficial to gas collection.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a partial structure of the sludge distributing machine of the present invention;
FIG. 3 is a schematic view of a portion of the structure of the paving roller of the present invention in the form of a helical belt;
FIG. 4 is a schematic view of a portion of the screw type paving roller of the present invention;
FIG. 5 is a schematic view of a part of the structure of the return roller of the present invention when the anchor type is adopted;
FIG. 6 is a schematic view of a partial structure of the frame type return roller according to the present invention;
FIG. 7 is a schematic view of a part of the structure of the pressing area of the present invention when the adjustable pressing mode is adopted;
fig. 8 is a partial structural schematic diagram of the pressing area in the pressing mode of the present invention, when the fixed pressing is adopted.
Wherein: 1. a main body frame; 2. a tensioning mechanism; 3. a drive mechanism; 4. a uniform distribution mechanism; 5. a squeezing mechanism; 6. a deviation rectifying mechanism; 7. and (4) a flushing mechanism.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Please refer to fig. 1-8, the utility model provides a sludge high-pressure dewatering machine, including main body frame 1, and main body frame 1's inside fixedly connected with straining device 2, straining device 2 includes the tensioning roller, tensioning cylinder and filter cloth, the tensioning roller divide into tensioning roller and lower tensioning roller, be located main body frame 1 upper and lower two parts respectively, tensioning cylinder one end is fixed on main body frame 1, the other end is with tensioning roller one end fixed connection, tensioning cylinder quantity is 4, be located main body frame 1 upper and lower left and right both sides of part respectively, tensioning cylinder extends or contracts simultaneously, be used for tensioning or unclamp the filter cloth, the filter cloth divide into filter cloth and lower filter cloth, the winding is respectively through upper tensioning roller and lower tensioning roller surface, the filter cloth adopts compound material to weave to form, high pressure resistant, high temperature, strong acid resistant, strong base, difficult tensile, Deformation, the tension applied to the filter cloth during operation is 0.1-1.0 Mpa, the top of the tensioning mechanism 2 is provided with an even distribution mechanism 4, the even distribution mechanism 4 comprises a sludge distributor and a prepressing roller, the sludge distributor comprises a frame, a speed reducing motor, a paving roller and a return roller, the sludge distributor and a main frame 1 are fixed through bolts and nuts at four corners of the frame, the bolts are welded on the main frame 1, the height of the sludge distributor is adjusted by rotating the nuts, the height of the sludge distributor is the vertical height of the bottom of the frame from the plane of the filter cloth under the tensioning state, the distance is 1-8 cm, the height can be adjusted according to the sludge treatment amount, the frame is made of stainless steel, the bottom is strip-shaped hollowed or fully open, the speed reducing motor comprises a speed reducer and a motor, the speed reducing motor drives the paving roller and the return roller to rotate at variable speeds, the paving roller and the return roller are fixed on two sides of the frame through bearings, and the rotation speed, adjusting according to different sludge distribution widths and height requirements, synchronously and reversely rotating a spreading roller and a return roller, wherein the spreading roller consists of a spreading rotating shaft and spreading blades, the number of the spreading blades is 1-3, the spreading blades are in a screw type, a helical belt type or a similar form, the spreading blades are symmetrically distributed along the center of the spreading rotating shaft to distribute sludge from the middle to two sides, the return roller consists of a return shaft and return blades, the number of the return blades is 0-2, the return blades are in an anchor type, a frame type or a similar form, the return roller is positioned behind the spreading roller and can return sludge which is not uniformly distributed by the spreading roller to be distributed again, a prepressing roller is positioned behind a sludge distributor and fixed on a main body frame 1 by a bearing, upper filter cloth and lower filter cloth are converged and overlapped at the prepressing roller, a squeezing mechanism 5 is arranged inside the main body frame 1 and positioned on one side of a uniform distribution mechanism 4, and the squeezing mechanism 5 is divided into a low-pressure area, The high-pressure area and the counter-pressure area are three pressing areas, filter cloth is tightly attached to the upper portion and the lower portion of the pressing areas and sequentially wound along the arrangement direction of the pressing rollers, the pressing areas are used for realizing squeezing dehydration on sludge through shearing force between upper filter cloth and lower filter cloth and vertical extrusion force of the pressing rollers on the filter cloth, 1-3 large-roller-diameter pressing rollers are arranged in the low-pressure area and fixed on the main body frame 1 through bearings, 5-12 small-roller-diameter pressing rollers are arranged in the high-pressure area and fixed on the main body frame 1 through bearings, an adjustable counter-pressure system in the adjustable counter-pressure mode is composed of a counter-pressure cylinder and a counter-pressure roller, the counter-pressure cylinder is connected with the counter-pressure roller, counter-pressure is controlled through expansion and contraction of the counter-pressure cylinder, the number of the counter-pressure rollers is 0-5, the counter-pressure system in the fixed counter-pressure mode is composed of fixed rollers, the fixed rollers are fixed on the main, one side of the squeezing mechanisms 5 with the fixed rollers being 0-3 is provided with a deviation rectifying mechanism 6, the deviation rectifying mechanism 6 comprises a deviation rectifying roller, a deviation rectifying cylinder, a signal sensing device and a limit switch, the deviation rectifying mechanism 6 adopts one of a single-side deviation rectifying mode or a double-side deviation rectifying mode, one end of the deviation rectifying cylinder is fixed on the main body frame 1, the other end of the deviation rectifying cylinder is connected with a sliding block, the number of the deviation rectifying cylinders is 2 or 4, the sliding block can move up and down or back and forth on a track along with the extension of the deviation rectifying cylinder, the deviation rectifying roller is fixedly connected with the sliding block, the angle is changed along with the movement of the sliding block, the signal sensing device is composed of a signal rod and a signal lamp, the signal rod is fixed on the inner side of the main body frame 1 and two sides of the filter cloth, the signal rod is vertical to the plane, the limit switch is positioned at a sludge outlet of the high-pressure dehydrator and fixed on the inner side of the main body frame 1 and two sides of the filter cloth, one side of the deviation correcting mechanism 6, which is far away from the squeezing mechanism 5, penetrates through the main body frame 1 and extends to the outside of the main body frame 1, the top of one side of the main body frame 1 is provided with the driving mechanism 3, the driving mechanism 3 comprises a speed reducing motor and a driving roller, the speed reducing motor is composed of a speed reducer and a motor, the driving roller is divided into an upper driving roller and a lower driving roller which are fixed on the main body frame 1 through bearings, the upper filter cloth and the lower filter cloth are respectively wound on the surfaces of the upper driving roller and the lower driving roller, the speed reducing motor drives the driving roller to rotate at variable speed through a transmission device, the driving roller drives the filter cloth wound on the surface to advance at variable speed, the inside of main body frame 1 and the one side that is located actuating mechanism 3 are provided with washes mechanism 7, wash mechanism 7 including wash and dry two parts, the cleaning part adopts filter cloth unilateral or two side washing, the cleaning medium that the cleaning part used is one or more in water, air or the microwave, dry part adopts in air pump or the brush one or two kinds to carry out surface and inside moisture filtering to the filter cloth after washing, the air pump is one in aspirator pump or the blower pump, the brush passes through the bolt, the nut is fixed on main body frame 1, laminate with the filter cloth perpendicularly.
The main body frame 1 is made of carbon steel or stainless steel, and the appearance is designed in a totally-enclosed Z shape.
The top of the main body frame 1 adopts a flat thin plate sealing cover, the movable door is adopted to be sealed all around, the bottom adopts a lower convex groove back cover, the flat thin plate is a stainless steel plate or is formed by splicing a plurality of stainless steel plates, the lower convex groove is made of stainless steel and is in a regular quadrangular frustum shape, a water outlet is arranged in the center of the center, and water pressing and filtering and flushing water discharging equipment is convenient to realize.
The front and rear movable doors are made of one of transparent materials such as polyvinyl chloride, organic glass or transparent ABS and are convenient for observing the mud distributing effect and the mud discharging effect.
The front and rear movable doors are in a double-door mode and are fixed through hasp locks.
The left and right sides dodge gate is stainless steel, and the left and right sides dodge gate adopts one of the forms such as vertical hinged door, push-and-pull door, folding door or tilt-up door, has seted up one or more exhaust interface on the steel sheet, and exhaust interface accessible pipeline is direct to be connected with deodorization system for collect the steam and the foul smell that produce in the operation process.
The specific working principle is as follows: sludge distributor through in the equipartition mechanism 4 with mud evenly distributed between upper and lower filter cloth, make mud and filter cloth atress even, drive through actuating mechanism 3, carry out the tensioning through straining device 2, squeezing mechanism 5 squeezes the roller through setting up different roller footpaths and realizes that pressure increases progressively, and adopt to pressing or continuous mode to pressing, carry out the limit dehydration to mud, wash mechanism 7 and adopt air-blowing suction and brush to strain modes such as water grade, improve washing of filter cloth, the drying, during the moisture of being stained with the area gets into mud on avoiding the filter cloth, influence sludge dewatering effect.
The utility model discloses the beneficial effect that can reach is: the utility model can reduce the water content of the once dewatered sludge to 40-70% by carrying out mechanical high-pressure dewatering on the conditioned sludge, has obvious treatment effect, low operation cost, the dewatered sludge is flaky or powdery, can not be reduced when meeting water, improves low-level heat value and is beneficial to subsequent treatment, realizes pressure increasing by arranging pressing rollers with different roller diameters, adopts a mode of counter-pressing or continuous counter-pressing, improves the limit dewatering capacity of equipment, adopts a sludge distributor to uniformly distribute the sludge between upper and lower filter cloths, ensures that the sludge and the filter cloths are stressed uniformly, improves the sludge dewatering effect, reduces the running loss of the filter cloths, adopts modes of air blowing and suction, hairbrush filtration, water removal and the like, improves the washing and drying of the filter cloths, avoids the water adhered to the filter cloths from entering the sludge, influences the sludge dewatering effect, adopts a Z-shaped design in appearance, greatly reduces the occupied area, the elevation connection of the equipment is facilitated; adopts a totally-enclosed structure, is beautiful and sanitary, and is beneficial to gas collection.
The embodiments of the present invention are not limited to the above embodiments, and according to the contents of the above embodiments of the present invention, the above preferred embodiments can also make modifications, replacements or combinations of other forms by using conventional technical knowledge and conventional means in the field without departing from the basic technical idea of the present invention, and the obtained other embodiments all fall within the scope of the present invention.
Claims (6)
1. The utility model provides a mud high pressure dewaterer, includes main body frame (1), its characterized in that, main body frame (1) to the inside fixedly connected with straining device (2) of main body frame (1), the top of straining device (2) is provided with equipartition mechanism (4), the inside of main body frame (1) and the one side that is located equipartition mechanism (4) are provided with squeezing mechanism (5), one side of squeezing mechanism (5) is provided with deviation correcting mechanism (6) to one side that squeezing mechanism (5) were kept away from in deviation correcting mechanism (6) runs through main body frame (1) and extends to the outside of main body frame (1), the top of main body frame (1) one side is provided with actuating mechanism (3), the inside of main body frame (1) and the one side that is located actuating mechanism (3) are provided with washes mechanism (7).
2. The sludge high-pressure dehydrator according to claim 1, wherein the main frame (1) is made of carbon steel or stainless steel, and the appearance of the main frame is designed in a totally-enclosed Z shape.
3. The sludge high-pressure dehydrator according to claim 1, wherein the top of the main frame (1) is sealed by a flat thin plate, the front, back, left and right sides of the main frame are sealed by movable doors, the bottom of the main frame is sealed by a lower convex groove, and the flat thin plate is a stainless steel plate or is formed by splicing a plurality of stainless steel plates.
4. The sludge high-pressure dewatering machine according to claim 3, wherein the front and rear side movable doors are made of one of transparent materials such as polyvinyl chloride, organic glass or transparent ABS.
5. The sludge high-pressure dewatering machine according to claim 3, wherein the front and back side movable doors are in a double door form and are fixed by a hasp lock.
6. The sludge high-pressure dehydrator according to claim 3, wherein the left and right movable doors are made of stainless steel, the left and right movable doors are made of one of a vertical hinged door, a sliding door, a folding door or an upturning door, and one or more exhaust ports are formed in the steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921169812.3U CN210394118U (en) | 2019-07-23 | 2019-07-23 | Sludge high-pressure dehydrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921169812.3U CN210394118U (en) | 2019-07-23 | 2019-07-23 | Sludge high-pressure dehydrator |
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| Publication Number | Publication Date |
|---|---|
| CN210394118U true CN210394118U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921169812.3U Expired - Fee Related CN210394118U (en) | 2019-07-23 | 2019-07-23 | Sludge high-pressure dehydrator |
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| Country | Link |
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| CN (1) | CN210394118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646670A (en) * | 2020-05-19 | 2020-09-11 | 上海凌逍环保科技有限公司 | Multistage dehydration method and device |
-
2019
- 2019-07-23 CN CN201921169812.3U patent/CN210394118U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646670A (en) * | 2020-05-19 | 2020-09-11 | 上海凌逍环保科技有限公司 | Multistage dehydration method and device |
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Granted publication date: 20200424 |