CN223433363U - Sludge dewatering device - Google Patents
Sludge dewatering deviceInfo
- Publication number
- CN223433363U CN223433363U CN202422858883.1U CN202422858883U CN223433363U CN 223433363 U CN223433363 U CN 223433363U CN 202422858883 U CN202422858883 U CN 202422858883U CN 223433363 U CN223433363 U CN 223433363U
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- bin
- filter
- area
- sludge
- filter screen
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Abstract
The utility model relates to the technical field of sludge, in particular to a sludge dewatering device, which comprises a shell, wherein a filtering bin is arranged in the shell, a plurality of filter screens are arranged in the shell, a sewage area is arranged below the filter screens, the sludge flows out after being filtered by the filter screens, filtered sewage stands and precipitates in the sewage area, a flushing device for flushing the filter screens is arranged in the filtering bin, the flushing bin comprises a precipitation area and a water pumping area, the upper part of the precipitation area is communicated with the upper part of the sewage area, the water pumping area is separated from the precipitation area by a partition plate, a device bin is used for placing water pumping equipment, the water pumping equipment is connected with the flushing device, a water pumping pipe of the water pumping device is positioned in the water pumping area, and the sludge filtered by the filtering bin is communicated with the centrifugal dewatering machine, so that the filtration dewatering treatment of the sludge is realized, and the dewatering efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of sludge, in particular to a sludge dewatering device.
Background
The sludge dewatering is an important link in the sewage treatment process, and aims to separate out water in the sludge as much as possible so as to reduce the volume and the weight of the sludge and facilitate subsequent treatment and disposal. The conventional sludge dewatering method mainly comprises mechanical dewatering and the like, but has the problems that the dewatering efficiency is low, the conventional mechanical dewatering method such as a filter press, a belt filter press and the like, such as a sludge dewatering machine disclosed in the publication No. CN118543151A, can realize dewatering to a certain extent, but has lower dewatering efficiency, the water in the sludge cannot be thoroughly separated, and a filter screen of the sludge is easily blocked by fine particles and sundries in the sludge, so that the filtering effect is reduced, the filter screen is required to be frequently cleaned, and the maintenance cost is increased. Filter screen blockage can also lead to reduced dewatering efficiency, affecting the normal operation of the apparatus. Besides, the consumption of water resources required for flushing the filter screen and the equipment is large, and if the sewage after flushing is directly discharged, the waste of the water resources and the environmental pollution are caused. The cyclic utilization degree of the flushing water is low, and the burden of sewage treatment is increased.
Disclosure of utility model
The utility model aims to solve the technical problems of overcoming the defects of the prior art and providing a sludge dewatering device.
The application aims to solve the technical problems, and adopts the technical scheme that the sludge dewatering device comprises a shell, wherein a filter bin is arranged in the shell, a plurality of filter screens are arranged in the shell, a sewage area is arranged below the filter screens, sludge flows out after being filtered by the filter screens, filtered sewage is placed in the sewage area for precipitation, and a flushing device for flushing the filter screens is arranged in the filter bin;
The flushing bin comprises a sedimentation area and a water pumping area, the upper part of the sedimentation area is communicated with the upper part of the sewage area, and the water pumping area is separated from the sedimentation area by a baffle;
the equipment bin is used for placing water pumping equipment, the water pumping equipment is connected with the flushing device, and a water pumping pipe of the water pumping device is positioned in the water pumping area;
The sludge filtering device also comprises a centrifugal dehydrator, and the sludge filtered by the filtering bin is communicated with the centrifugal dehydrator.
When the filter screen flushing device is used, the water in the water pumping area is pumped by the water pumping equipment to flush the filter screen based on the flushing device, and the flushed sewage enters the circulation to realize cyclic utilization.
Three-level precipitation is formed based on the sewage area, the precipitation area and the pumping area, the clarity of water pumped by pumping equipment is improved, and the flushing effect is better.
The sludge after filtration and preliminary dehydration enters a centrifugal dehydrator to further dehydrate, thereby guaranteeing the dehydration effect. The application carries out preliminary dehydration simultaneously during filtration and then enters the centrifugal dehydrator, thereby improving the dehydration efficiency.
The filter screen comprises a first filter screen, a plurality of middle filter screens and a bottom filter screen, wherein the first filter screen, the middle filter screens and the bottom filter screen are arranged in a zigzag shape in the filter bin;
The filter bin top is provided with the pan feeding mouth, the pan feeding mouth is close to the high-order end of first filter screen. So set up for the mud in the filtration storehouse flows along the filter screen, based on the mobility of mud, reduces the possibility of blocking up the filter screen filtration pore, reduces mud whereabouts speed simultaneously, improves the filter effect.
In order to further alleviate the falling speed of the sludge, the filtering holes on the filtering net can be arranged in a protruding mode, namely, the surface of the filtering net is uneven.
The filter bin side wall corresponds the bottom of first filter screen is provided with the ejection of compact door that can open and shut, ejection of compact door when closed with filter bin seals. The first filter screen is mainly used for filtering sundries in the sludge, the sundries are concentrated at the discharging door, and the feeding can be stopped periodically to open the discharging door for recycling the sundries.
The flushing device is arranged below the filter screen;
the flushing device comprises a supporting water pipe, a plurality of nozzles are arranged on the supporting water pipe, and one end of the supporting water pipe is connected with a water outlet of the water pumping device.
One end of the supporting water pipe is rotationally connected with the side wall of the filtering bin, and the other end of the supporting water pipe is connected with a control mechanism which is used for adjusting the rotation angle of the supporting water pipe.
The control mechanism comprises a control rod which is coaxially and fixedly connected with the other end of the support water pipe, and one end of the control rod penetrates out of the filter bin to be arranged;
The side wall of the control rod is provided with a positioning block, the positioning block is elastically connected with a telescopic clamping sleeve, and the outer wall of the filtering bin is provided with a plurality of positioning grooves around the control rod.
The water pipe is supported and provided with a mud guard, and the nozzle faces towards one surface which is opposite to the mud guard.
The orientation of the nozzle is the same as that of the positioning block and the clamping sleeve.
When the nozzle is not used, the nozzle can be controlled to back to the filter screen, so that the influence of the falling of sludge and sewage on the nozzle on the subsequent water spraying effect is avoided, and the control mechanism is arranged to control the supporting water pipe and the nozzle to rotate.
The locating piece and the cutting ferrule are equivalent to elastic button, and during the use, the staff is based on control lever control support water pipe rotation, when washing the filter screen, with the shower nozzle adjustment to the direction towards the filter screen, for the convenience is controlled, the nozzle orientation is unanimous with the orientation of locating piece and cutting ferrule, the staff of being convenient for knows the concrete position of nozzle.
When the water pipe is used, in order to avoid the influence of the rotation of the water pipe on the water yield, the supporting water pipe and the hose can be connected by using a rotary joint or the control rod is controlled to rotate back and forth within 180 degrees.
Furthermore, the application also provides a mud guard for further shielding falling mud, sewage and the like from falling on the nozzle to influence the water spraying effect when filtering the mud, so as to ensure the cleanness of the nozzle.
Still include the buffering storehouse, the buffering storehouse with filter the storehouse intercommunication, the buffering storehouse with the department of intercommunication of filtering the storehouse is located the low level end of bottom filter screen, centrifugal dehydrator's pan feeding mouth passes through the feed pump and is communicated with the buffering storehouse.
The number of the filtering bins is at least two, the sedimentation areas of the flushing bin are arranged corresponding to the filtering bins, and a water pumping area is arranged between every two adjacent sedimentation areas.
Compared with the prior art, the application has the beneficial effects that the sludge is filtered and dehydrated, and is primarily dehydrated while being filtered, and then enters the centrifugal dehydrator for further dehydration, so that the dehydration time is shortened, and the dehydration efficiency is improved. Meanwhile, the filter screen flushing operation can be performed by utilizing the sewage after preliminary dehydration, so that the recycling of the sewage is realized, and the filtering effect of the filter screen is ensured.
The application improves the dehydration efficiency and the treatment effect by multistage precipitation and cyclic utilization of the flushing water, and the flushing water adopts the sewage filtered in the sludge, saves water resources and improves the utilization rate.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is a cross-sectional view of the present application;
FIG. 4 is a diagram showing the distribution of the bins within the housing of the present application;
Fig. 5 is a second utility model cross-sectional view.
In the figure, 1, a shell; 2, a filter bin, 3, a flushing bin, 4, an equipment bin, 5, a baffle, 6, a first filter screen, 7, a middle filter screen, 8, a bottom filter screen, 9, a feed inlet, 10, a discharge door, 11, a supporting water pipe, 12, an operating rod, 13, a positioning block, 14, a clamping sleeve, 15, a positioning groove, 16, a mud guard, 17 and a buffer bin.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present utility model) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, and for example, "fixed" may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-5, the sludge dewatering device comprises a shell 1, wherein a filter bin 2 is arranged in the shell 1, a plurality of filter screens are arranged in the shell, a sewage area is arranged below the filter screens, sludge flows out after being filtered by the filter screens, filtered sewage is placed in the sewage area for precipitation, and a flushing device for flushing the filter screens is arranged in the filter bin 2;
The flushing bin 3 comprises a sedimentation area and a water pumping area, wherein the upper part of the sedimentation area is communicated with the upper part of a sewage area, the water pumping area is separated from the sedimentation area through a baffle plate 5, the sewage area is communicated with the sedimentation area, sewage is kept stand in the sewage area for sedimentation, overflows to the sedimentation area along with rising of the water level, overflows to the water pumping area after the sewage in the sedimentation area is full, and multi-stage sedimentation is realized.
And the equipment bin 4 is used for placing water pumping equipment, the water pumping equipment is connected with the flushing device, and a water pumping pipe of the water pumping device is positioned in the water pumping area. And a bin door is arranged on the equipment bin 4, so that a worker can maintain and check the equipment conveniently.
And a dehydrator (not shown in the figure), wherein the sludge filtered by the filter house 2 is communicated with the dehydrator through a pump. The dehydrator adopts the existing centrifugal dehydrator and the like, and the sludge after filtration and preliminary dehydration enters the dehydrator for further dehydration operation.
Besides, cleaning holes or bin gates and the like (not shown in the figure) are formed in the side wall of the flushing bin 3 and the side wall of the filtering bin 2 so as to clean the sludge deposited in the bin regularly, and the cleaning holes or bin gates are in sealing connection with the corresponding bin walls.
The water pumping device is a water pumping pump, the water pumping pump is also connected with the sewage treatment system, a liquid level meter is arranged in the water pumping area, and if the water quantity in the water pumping area is more, part of water can be pumped into the sewage treatment system by the water pumping pump to carry out sewage treatment operation.
The filter screen comprises a first filter screen 6, a plurality of middle filter screens 7 and a bottom filter screen 8, wherein the first filter screen 6, the middle filter screens 7 and the bottom filter screen 8 are arranged in a zigzag shape in the filter bin 2;
A feed inlet 9 is arranged above the filter bin 2, and the feed inlet 9 is close to the high-order end of the first filter screen 6. So set up for the mud in the filtration storehouse 2 flows along the filter screen, based on the mobility of mud, reduces the possibility of blocking up the filter screen filtration pore, reduces mud whereabouts speed simultaneously, improves the filter effect.
In order to further alleviate the falling speed of the sludge, the filtering holes on the filtering net can be arranged in a protruding mode, namely, the surface of the filtering net is uneven.
The first filter screen 6 is mainly used for filtering impurities in the sludge, so that when the filter screen is used, the pore diameter of the filter holes can be larger, the sludge filtering speed is improved, and sewage in the sludge is mainly filtered through the middle filter screen 7 and the bottom filter screen 8.
The feed inlet 9 is communicated with a pump for pumping sludge, the sludge is pumped into the filtering bin 2 by the pump, and filtering and dehydration are performed based on a filter screen.
The side wall of the filter bin 2 is provided with a discharging door 10 which can be opened and closed corresponding to the bottom end of the first filter screen 6, and the discharging door 10 is sealed with the filter bin 2 when being closed. The first filter screen 6 mainly filters sundries in the sludge, the sundries are concentrated at the discharging door 10, and the feeding can be stopped periodically to open the discharging door 10 for recycling the sundries.
The flushing device (only one group is shown in the figure) is arranged below the filter screen;
The flushing device comprises a supporting water pipe 11, wherein a plurality of nozzles are arranged on the supporting water pipe 11, and one end of the supporting water pipe 11 is connected with a water outlet of the water pumping device through a hose.
One end of the supporting water pipe 11 is rotatably connected with the side wall of the filtering bin 2, and the other end of the supporting water pipe 11 is connected with a control mechanism which is used for adjusting the rotation angle of the supporting water pipe 11.
The control mechanism comprises a control rod 12 which is coaxially and fixedly connected with the other end of the supporting water pipe 11, and one end of the control rod 12 penetrates out of the filter bin 2 to be arranged;
The side wall of the control rod 12 is provided with a positioning block 13, the positioning block 13 is elastically connected with a telescopic clamping sleeve 14 through a spring or a shrapnel and the like, and the outer wall of the filter bin 2 is provided with a plurality of positioning grooves 15 around the control rod 12.
The support water pipe 11 is provided with a mud guard 16, and the nozzle faces to the face away from the mud guard 16.
The orientation of the nozzle is the same as the orientation of the positioning block 13 and the clamping sleeve 14.
When the nozzle is not used, the nozzle can be controlled to back to the filter screen, so that the influence of the falling of sludge and sewage on the nozzle on the subsequent water spraying effect is avoided, and the control mechanism is arranged to control the supporting water pipe and the nozzle to rotate.
The locating piece 13 and the cutting ferrule 14 are equivalent to elastic buttons, when in use, the worker controls the supporting water pipe 11 to rotate based on the control rod 12, and when the filter screen is washed, the spray head is adjusted to the direction towards the filter screen, so that the direction of the spray nozzle is consistent with the direction of the locating piece 13 and the cutting ferrule 14 for convenient control, and the worker can conveniently know the specific position of the spray nozzle.
In use, in order to avoid that the rotation of the water pipe affects the water yield, the support water pipe 11 and the hose can be connected by using a rotary joint or the control rod 12 can be controlled to rotate back and forth within 180 degrees.
Furthermore, the application also provides a mud guard 16 for further shielding falling mud, sewage and the like from falling on the nozzle to influence the water spraying effect and ensuring the cleaning of the nozzle when filtering the mud.
Still include the buffering storehouse 17, buffering storehouse 17 with filter storehouse 2 intercommunication, buffering storehouse 17 with the intercommunication department of filter storehouse 2 is located the low level end of bottom filter screen 8, the pan feeding mouth of hydroextractor passes through the feed pump and communicates with buffering storehouse 17. After being filtered by the last layer of filter screen, the sludge flows into the buffer bin 17, and is pumped from the buffer bin 17 by the feeding pump to enter the dehydrator for centrifugal dehydration, so that the dehydration quality is improved. The sewage discharged by the dehydrator can be drained into the sewage area of the filtering bin 2 or the sedimentation area of the flushing bin 3, so that the sewage utilization rate is improved.
At least two filter bins 2 are arranged, sedimentation areas of the flushing bin 3 are arranged corresponding to the filter bins 2, and a water pumping area is arranged between two adjacent sedimentation areas.
When the number of the filter bins 2 is two, the filter bins 2 are symmetrically arranged about the equipment bin 4, when the number of the filter bins 2 is greater than two, the filter bins 2 are circumferentially distributed about the equipment bin 4, and a flushing bin 3 is arranged between the two filter bins 2.
The foregoing description is only of alternative embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the content of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. The sludge dewatering device is characterized by comprising a shell (1), wherein the shell (1) is internally provided with
A plurality of filter screens are arranged in the filter bin (2), a sewage area is arranged below the filter screens, the sludge flows out after being filtered by the filter screens, the filtered sewage is settled in the sewage area, and a flushing device for flushing the filter screens is arranged in the filter bin (2);
the flushing bin (3) comprises a sedimentation area and a water pumping area, the upper part of the sedimentation area is communicated with the upper part of the sewage area, and the water pumping area is separated from the sedimentation area by a baffle (5);
The equipment bin (4) is used for placing pumping equipment, the pumping equipment is connected with the flushing device, and a pumping pipe of the pumping device is positioned in the pumping area;
The sludge filtering device also comprises a dehydrator, and the sludge filtered by the filtering bin (2) is communicated with the centrifugal dehydrator.
2. The sludge dewatering device according to claim 1, characterized in that the filter screen comprises a first filter screen (6), a plurality of middle filter screens (7) and a bottom filter screen (8), wherein the first filter screen (6), the middle filter screens (7) and the bottom filter screen (8) are arranged in a zigzag shape in the filter bin (2);
The upper part of the filter bin (2) is provided with a feed inlet (9), and the feed inlet (9) is close to the high-position end of the first filter screen (6).
3. The sludge dewatering device according to claim 2, characterized in that the side wall of the filter bin (2) is provided with a discharging door (10) which can be opened and closed corresponding to the bottom end of the first filter screen (6), and the discharging door (10) is sealed with the filter bin (2) when being closed.
4. The sludge dewatering device according to claim 1, wherein the flushing device is arranged below the filter screen;
The flushing device comprises a supporting water pipe (11), wherein a plurality of nozzles are arranged on the supporting water pipe (11), and one end of the supporting water pipe (11) is connected with a water outlet of the water pumping device.
5. The sludge dewatering device according to claim 4, wherein one end of the supporting water pipe (11) is rotatably connected with the side wall of the filter bin (2), and the other end of the supporting water pipe (11) is connected with a control mechanism for adjusting the rotation angle of the supporting water pipe (11).
6. The sludge dewatering device according to claim 5, wherein the control mechanism comprises a control rod (12) which is coaxially and fixedly connected with the other end of the supporting water pipe (11), and one end of the control rod (12) penetrates out of the filter bin (2);
The side wall of the control rod (12) is provided with a positioning block (13), the positioning block (13) is elastically connected with a telescopic clamping sleeve (14), and the outer wall of the filter bin (2) is provided with a plurality of positioning grooves (15) around the control rod (12).
7. The sludge dewatering device as claimed in claim 6, wherein a mud flap (16) is provided on the support water pipe (11), and the nozzle is directed to a side facing away from the mud flap (16).
8. The sludge dewatering device according to claim 6, wherein the orientation of the nozzles is the same as the orientation of the positioning block (13) and the ferrule (14).
9. The sludge dewatering device according to claim 2, further comprising a buffer bin (17), wherein the buffer bin (17) is communicated with the filter bin (2), the communication position of the buffer bin (17) and the filter bin (2) is positioned at the low-level end of the bottom filter screen (8), and a feed inlet of the dewatering machine is communicated with the buffer bin (17) through a feed pump.
10. The sludge dewatering device according to claim 1, wherein at least two filter bins (2) are provided, the sedimentation areas of the flushing bin (3) are arranged corresponding to the filter bins (2), and a water pumping area is arranged between two adjacent sedimentation areas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422858883.1U CN223433363U (en) | 2024-11-22 | 2024-11-22 | Sludge dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422858883.1U CN223433363U (en) | 2024-11-22 | 2024-11-22 | Sludge dewatering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223433363U true CN223433363U (en) | 2025-10-14 |
Family
ID=97279038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422858883.1U Active CN223433363U (en) | 2024-11-22 | 2024-11-22 | Sludge dewatering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223433363U (en) |
-
2024
- 2024-11-22 CN CN202422858883.1U patent/CN223433363U/en active Active
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