CN110606640A - Sludge drying system and equipment - Google Patents
Sludge drying system and equipment Download PDFInfo
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- CN110606640A CN110606640A CN201911025015.2A CN201911025015A CN110606640A CN 110606640 A CN110606640 A CN 110606640A CN 201911025015 A CN201911025015 A CN 201911025015A CN 110606640 A CN110606640 A CN 110606640A
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- sludge drying
- pressing mechanism
- filter pressing
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- 239000010802 sludge Substances 0.000 title claims abstract description 138
- 238000001035 drying Methods 0.000 title claims abstract description 47
- 230000003750 conditioning effect Effects 0.000 claims abstract description 118
- 230000007246 mechanism Effects 0.000 claims abstract description 96
- 238000003825 pressing Methods 0.000 claims abstract description 54
- 239000012528 membrane Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000001143 conditioned effect Effects 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 10
- 239000007822 coupling agent Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 5
- 229910001448 ferrous ion Inorganic materials 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 abstract description 28
- 238000013461 design Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 230000000813 microbial effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 2
- 210000000170 cell membrane Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001447 ferric ion Inorganic materials 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011257 shell material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to a sludge drying system and equipment, wherein the sludge drying equipment comprises a rack, a conditioning mechanism, a filter pressing mechanism and a connecting pipeline, wherein the conditioning mechanism, the filter pressing mechanism and the connecting pipeline are arranged on the rack; the conditioning mechanism comprises a conditioning device and a couplant container, the conditioning device is provided with a sludge inlet, and the sludge introduced into the conditioning device and the couplant can be conditioned and modified to obtain conditioning sludge; the filter pressing mechanism comprises a diaphragm filter press; the conditioning mud can be introduced into the membrane filter press through the connecting pipeline, and the membrane filter press is used for filter-pressing conditioning mud. When the workshop of the sludge dewatering system is upgraded and modified, or the actual daily water inflow exceeds the design standard, or the performance of the sludge dewatering system is reduced, the sludge drying equipment can reduce the concentration of residual sludge in a sewage plant in the very short time of entering the field and putting into production, ensure that the normal operation of a sewage treatment system of the sewage plant is not influenced by the concentration of the sludge, and ensure that the effluent index reaches the standard.
Description
Technical Field
The invention relates to the technical field of sludge drying, in particular to a sludge drying system and equipment.
Background
In the sludge dewatering industry and other industries, complete equipment such as a belt filter press, a stacked screw dehydrator, a centrifugal dehydrator, a plate-and-frame filter press and the like is generally adopted to reduce the water content of sludge, increase the solid content of the sludge and facilitate the transportation and rear-end treatment of the sludge; particularly in the municipal sludge dewatering industry, the problems of overhigh transportation cost, single disposal way, easy putrefaction of sludge stacking and the like are caused along with the national improvement of the factory water content standard and requirement of sludge of a sewage plant and overhigh water content.
A large number of sludge dewatering systems of a sewage plant need to be upgraded and modified urgently following the national water content standard of the factory sludge, the upgrading and modification is a process which requires a time period, the time period can be as long as several months, and particularly, the upgrading and modification of the original sludge dewatering system plant due to limited factory site can face the condition that the existing sludge dewatering system needs to be dismantled and the sludge cannot be treated during the modification; under the condition, the concentration of the residual sludge in the sewage plant can be continuously increased until the normal operation of the conventional sewage treatment system is influenced, so that the effluent index exceeds the standard.
The method is characterized in that the daily sludge yield of a sewage plant of the built sludge dewatering system exceeds the design standard due to the fact that the actual daily water inflow exceeds the design standard or the performance of the sludge dewatering system is reduced and cannot meet the daily sludge yield of the sewage plant, and the like.
Therefore, when the workshop of the sludge dewatering system is upgraded and modified, the actual daily water inflow exceeds the design standard and the performance of the sludge dewatering system is reduced, how to reduce the concentration of the residual sludge in the sewage plant in the shortest time when the sludge drying equipment enters the field and is put into production, ensuring that the normal operation of the sewage treatment system of the sewage plant is not influenced by the concentration of the sludge and ensuring that the effluent index reaches the standard is the technical problem to be solved by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a sludge drying system and equipment, which can reduce the concentration of residual sludge in a sewage plant in the shortest time when the actual daily water inflow exceeds the design standard and the performance of a sludge dewatering system is reduced in the upgrading and modifying period of a sludge dewatering system workshop, ensure that the normal operation of a sewage treatment system of the sewage plant is not influenced by the concentration of the sludge, and ensure that the effluent index reaches the standard.
In order to solve the technical problems, the invention provides sludge drying equipment which comprises a rack, a conditioning mechanism, a filter pressing mechanism and a connecting pipeline, wherein the conditioning mechanism, the filter pressing mechanism and the connecting pipeline are arranged on the rack; the conditioning mechanism comprises a conditioning device and a couplant container for introducing a couplant into the conditioning device, the conditioning device is provided with a sludge inlet, and the sludge introduced into the conditioning device and the couplant can be conditioned and modified to obtain conditioning sludge; the filter pressing mechanism comprises a diaphragm filter press; the conditioning mud can pass through the connecting pipeline and is introduced into the membrane filter press, and the membrane filter press is used for filter pressing the conditioning mud.
In the upgrading and transforming period of a sludge dewatering system workshop, sludge can be dried directly through the sludge drying equipment, and when the actual daily water inflow exceeds the design standard and the performance of the sludge dewatering system is reduced, the sludge can be dried by the aid of the sludge drying equipment and used together with the original sludge treatment system, so that the sludge concentration in the sewage treatment system is reduced in the shortest time, and the phenomenon that the concentration of residual sludge in a sewage plant is continuously increased until the effluent index exceeds the standard is avoided.
Optionally, it still includes the mixing box to take care of the mechanism, the mixing box respectively with take care of the device with connecting line intercommunication, the mud of taking care of that the device obtained can let in the mixing box.
Optionally, the conditioning device comprises a first conditioning chamber and a second conditioning chamber in communication; the first conditioning chamber is communicated with the coupling agent container and is provided with the sludge inlet, and the coupling agent contains hydroxyl radicals and ferrous ions; the second is taked care of the room can pass through connecting line with the mixing box intercommunication, be equipped with pulse electromagnetic wave generating device in the second is taked care of the room.
Optionally, the filter pressing mechanism further comprises a liquid storage tank and a centrifugal pump, wherein the centrifugal pump is used for pumping the liquid in the liquid storage tank into a diaphragm plate chamber of the diaphragm filter press.
Optionally, the centrifugal pump is a multistage centrifugal pump.
Optionally, the filter-pressing mechanism still includes the belt feeder, the mud discharging port of membrane filter press with the belt feeder intercommunication, the outlet of membrane filter press is equipped with the drain pipe.
Optionally, the frame includes that the bottom is equipped with first frame and the second frame of gyro wheel respectively, the mechanism is taked care of and is located first frame, the filter pressing mechanism is located the second frame.
Optionally, the filter pressing device further comprises a wire inlet cabinet used for supplying power to the conditioning mechanism and the filter pressing mechanism and a connecting wire connected between the conditioning mechanism and the filter pressing mechanism, and the wire inlet cabinet is arranged on the first rack or the second rack.
Optionally, a first housing and a second housing; the first outer cover covers the first rack and forms an installation space for placing the conditioning mechanism with the first rack in an enclosing manner; the second outer cover covers the upper portion of the second rack and encloses with the second rack to form an installation space for placing the filter pressing mechanism.
In addition, the invention also provides a sludge drying system which comprises at least one sludge drying device.
The sludge drying system with the sludge drying device has the technical effects similar to those of the sludge drying device, and is not repeated herein for saving space.
Drawings
FIG. 1 is a schematic structural diagram of a sludge drying apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the conditioning mechanism of FIG. 1;
FIG. 3 is a schematic view of the structure of the conditioning apparatus of FIG. 2;
fig. 4 is a schematic view of the press mechanism of fig. 1.
In FIGS. 1-4:
11-a first frame, 12-a second frame, 13-a roller;
2-a conditioning mechanism, 21-a conditioning device, 211-a first conditioning chamber, 212-a second conditioning chamber, 213-an electromagnetic wave generating device, 214-a sludge inlet, 22-a couplant container and 23-a mixing box; 24-a conditioning pump, 25-a metering pump;
3-a filter pressing mechanism, 31-a membrane filter press, 311-a drain pipe, 32-a liquid storage tank, 33-a centrifugal pump, 34-a belt conveyor and 35-a feeding pump;
4-connecting a pipeline;
5-a wire inlet cabinet;
6-connecting wires;
71-a first housing, 72-a second housing.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a sludge drying apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the conditioning mechanism of FIG. 1; FIG. 3 is a schematic view of the structure of the conditioning apparatus of FIG. 2; FIG. 4 is a schematic view of the press mechanism of FIG. 1; in fig. 1, 2 and 3 are top views of the press mechanism and the conditioning mechanism, respectively.
The embodiment of the invention provides a sludge drying system and equipment, wherein as shown in figure 1, the sludge drying equipment comprises a rack, a conditioning mechanism 2, a filter pressing mechanism 3 and a connecting pipeline 4, wherein the conditioning mechanism 2 and the filter pressing mechanism 3 are arranged on the rack, the connecting pipeline 4 is connected between the conditioning mechanism 2 and the filter pressing mechanism 3, and rollers 13 are arranged at the bottom of the rack.
Specifically, as shown in fig. 2, the conditioning mechanism 2 includes a conditioning device 21 and a couplant container 22, wherein the conditioning device 21 is provided with a sludge inlet 214, the couplant container 22 is used for introducing a couplant into the conditioning device 21, sludge to be treated is introduced into the conditioning device 21 through the sludge inlet 214, the couplant in the couplant container 22 is introduced into the conditioning device 21, and conditioned sludge can be obtained after conditioning and modifying the sludge and the couplant through the conditioning device 21, so that preparation is made for subsequent filter pressing. As shown in fig. 1 and 4, the filter pressing mechanism 3 includes a membrane filter press 31, and the conditioned sludge in the conditioning device 21 can be introduced into the membrane filter press 31 through the connecting pipeline 4, and then is subjected to filter pressing by the membrane filter press 31, so that solid-liquid separation in the sludge is performed, and sewage and dry sludge are obtained and discharged.
Specifically, the sludge inlet 214 of the conditioning device 21 can be communicated with a sludge storage tank of a sewage plant through a sludge pipe, sludge can be pumped into the conditioning device 21 through a sludge pump, and the coupling agent can be introduced into the conditioning device 21 through the metering pump 25. The connecting line 4 may be provided with a feed pump 35, by means of which feed pump 35 the conditioning sludge can be fed along the connecting line 4 into the membrane filter press 31. The sludge drying equipment can condition and filter-press the sludge to be treated so as to separate solid from liquid in the sludge to achieve the drying purpose. Because the bottom of the frame is provided with the roller 13, the sludge drying equipment can be moved to any required position in a very short time according to the requirement, and the flexibility is good. Specifically, the frame may be a vehicle body provided with the rollers 13, or may be a frame provided with the flat car, which is not limited herein.
The sludge drying system in the embodiment comprises at least one sludge drying device, the specific use number of the sludge drying devices is not required, if only one sludge drying device is used, when the sludge to be treated is large, two or more sludge drying devices are required to be started simultaneously, and the flexibility is further improved.
When the workshop of the sludge dewatering system is upgraded and modified, or the actual daily water inflow exceeds the design standard, or the performance of the sludge dewatering system is reduced, the sludge drying equipment can reduce the concentration of residual sludge in a sewage plant in the very short time of entering the field and putting into production, ensure that the normal operation of a sewage treatment system of the sewage plant is not influenced by the concentration of the sludge, and ensure that the effluent index reaches the standard.
In the above embodiment, as shown in fig. 1 and fig. 2, the conditioning mechanism 2 further includes a mixing box 23, the mixing box 23 is respectively communicated with the conditioning device 21 and the connecting pipeline 4, and the conditioning mud obtained after conditioning and modification by the conditioning device 21 can be introduced into the mixing box 23 and introduced into the membrane filter press 31 from the mixing box 23 through the connecting pipeline 4. That is to say, mud is tempered in the device 21 and is modified and form and temper behind the mud, lets in mixing box 23 and keeps in, so sets up, is convenient for can continuously stably provide the conditioning mud after conditioning in the membrane filter press 31, ensures the steady operation of system. Specifically, the conditioning mechanism 2 further comprises a conditioning pump 24 for introducing the conditioning sludge in the conditioning device 21 into the mixing tank 23. In the above embodiment, as shown in fig. 3, the conditioning device 21 includes a first conditioning chamber 211 and a second conditioning chamber 212 which are communicated with each other; the first conditioning chamber 211 is provided with the sludge inlet 214, and the coupling agent container 22 is communicated with the first conditioning chamber 211, that is, in the first conditioning chamber 211, the sludge introduced from the sludge inlet 214 is chemically conditioned by the coupling agent. The second conditioning device 21 is respectively communicated with the first conditioning device 21 and the mixing box 23, a pulse electromagnetic wave generating device 213 is arranged in the second conditioning chamber 212, further physical conditioning can be carried out on the sludge conditioned by the first conditioning chamber 211, conditioned sludge is formed, and the conditioned sludge is introduced into the mixing box 23 for temporary storage.
In detail, in the second conditioning chamber 212, the pulse electromagnetic wave acts on the microbial cell membrane which is difficult to degrade, and the pore-enlarging and seam-creating can be performed on the surface of the microbial cell membrane of the sludge, so that the capillary water on the surface of the microbial cell which is difficult to degrade can be released through the holes and the seams which are created, and then the capillary water can be changed into free water, and further the dehydration performance of the sludge can be greatly improved. In the first conditioning chamber 211, the coupling agent contains hydroxyl radicals and ferrous ions, the hydroxyl radicals have strong oxidizing property, so that organic matters in the sludge can be oxidized under the catalytic action of the ferrous ions, Extracellular Polymers (EPS) in the sludge can be damaged, later-stage physical conditioning is facilitated, in addition, the ferrous ions are oxidized into ferric ions in the process, the ferric ions can amplify the efficacy of pulse electromagnetic waves and can absorb the electromagnetic waves, the time of the electromagnetic waves acting on sludge microbial cells can be prolonged, and the pore-expanding and seam-making of the pulse electromagnetic waves on the surfaces of the microbial cells are facilitated.
Therefore, the dewatering performance of the sludge can be effectively improved through the chemical conditioning of the first conditioning chamber 211 and the physical conditioning of the second conditioning chamber 212, favorable conditions are created for the filter pressing of the sludge by the filter pressing mechanism 3 in the later period, and the water content of the sludge cake discharged by the sludge drying equipment can meet the national relevant requirements.
In the above embodiment, the filter press mechanism 3 further comprises a liquid storage tank 32 and a centrifugal pump 33, wherein the centrifugal pump 33 is used for pumping the liquid in the liquid storage tank 32 into the diaphragm plate chamber of the diaphragm filter press 31. That is to say, after the conditioning mud is introduced into the membrane filter press 31, the centrifugal pump 33 pumps the liquid (water or oil) in the liquid storage tank 32 into the membrane plate chamber to squeeze the mud cake, so that the water in the mud cake is squeezed out, and the water content of the mud cake can be effectively reduced. Or, in this embodiment, can also be through letting in compressed air to diaphragm filter plate cavity in, through the moisture in the air action with the frame mud cake, and because the air can be compressed, consequently, the effect through liquid extrusion moisture can be better to it is lower to guarantee the moisture content in the mud cake.
Further, in this embodiment, centrifugal pump 33 is multistage centrifugal pump, adopts multistage centrifugal pump can improve the liquid pressure who lets in the diaphragm filter plate cavity, further improves the filter-pressing effect, reduces the water content in the mud cake.
In the above embodiment, the filter pressing mechanism 3 further includes the belt conveyor 34, the sludge discharge port of the membrane filter press 31 is communicated with the belt conveyor 34, and the water discharge port of the membrane filter press 31 is provided with the water discharge pipe 311, that is, after the membrane filter press 31 performs filter pressing on the sludge to separate solid and liquid, the sludge cake is conveyed to other equipment (such as a collection tank or a transfer vehicle) along the belt conveyor 34, and the filter-pressed sewage can be discharged to a sewage well of a sewage plant along the water discharge pipe 311. Specifically, the belt conveyor 34 may be a screw conveyor, a trough belt conveyor or a flat belt conveyor arranged at the bottom of the membrane filter press 31.
Or, in this embodiment, a dry sludge box may be further provided for storing the filter-pressed sludge cake, and a sewage box may be provided for storing the filter-pressed sewage, and the sludge cake is discharged by the belt conveyor 34 and the sewage is discharged by the drain pipe 311, so that the overall structure of the sludge drying apparatus may be simplified, and meanwhile, it is ensured that each component has a sufficient arrangement space on the frame.
In the above embodiment, the frame includes a first frame 11 and a second frame 12, the bottom of which is respectively provided with a roller 13, the conditioning mechanism 2 is arranged on the first frame 11, and the filter pressing mechanism 3 is arranged on the second frame 12. Or, can also all set up on same frame with taking care of mechanism 2 and filter pressing mechanism 3, and set up respectively taking care of mechanism 2 and filter pressing mechanism 3 in a mobilizable frame, so set up, can increase the volume of each part, improve the handling capacity of single sludge drying equipment to take care of mechanism 2 and filter pressing mechanism 3 separately, can overhaul alone, when taking care of mechanism 2 and breaking down, can directly change take care of mechanism 2 can, need not to change whole equipment, it is nimble to use.
In the above embodiment, the sludge drying apparatus further includes a wire inlet cabinet 5 for supplying power to the conditioning mechanism 2 and the filter pressing mechanism 3, and a connecting wire 6 connected between the conditioning mechanism 2 and the filter pressing mechanism 3, wherein the wire inlet cabinet 5 is disposed on the first frame 11 or the second frame 12. That is to say, when the conditioning mechanism 2 and the filter pressing mechanism 3 are respectively disposed on a rack, the conditioning mechanism 2 and the filter pressing mechanism 3 share one incoming cabinet 5 to be connected to an external power supply, the incoming cabinet 5 may be disposed on the first rack 11 or the second rack 12, taking the incoming cabinet 5 disposed on the second rack 12 as an example, the incoming cabinet 5 and each electric component of the filter pressing mechanism 3 are electrically connected, specifically, when in use, after the conditioning mechanism 2 and the filter pressing mechanism 3 are moved to a desired position, the incoming cabinet 5 and the conditioning mechanism 2 may be connected by the connecting wire 6 to supply power to each electric component of the conditioning mechanism 2, and when not in use, the connecting wire 6 may be retracted into the filter pressing mechanism 3, thereby facilitating the independent movement of the filter pressing mechanism 3 and the conditioning mechanism 2, and having good flexibility.
Of course, in this embodiment, the filter pressing mechanism 3 and the conditioning mechanism 2 may be separately equipped with the wire inlet cabinet 5, and the arrangement of the wire inlet cabinet 5 and the connecting wire 6 may simplify the overall structure while ensuring that power is supplied to each electric component.
In the above embodiment, the sludge drying apparatus further includes a first housing 71 and a second housing 72, wherein the first housing 71 is covered above the first frame 11 and encloses with the first frame 11 to form an installation space for placing the conditioning mechanism 2, and the second housing 72 is covered above the second frame 12 and encloses with the second frame 12 to form an installation space for placing the filter pressing mechanism 3. The arrangement of the first outer cover 71 and the second outer cover 72 can play a role in dust prevention and rain prevention, and can protect the conditioning mechanism 2 and the filter pressing mechanism 3 which are positioned inside, so that the situation that foreign matters fall into the filter pressing mechanism to cause damage is avoided. Specifically, the outer cover can be made of a waterproof cloth, a hard shell material (such as a metal plate and a container) and the like.
The sludge drying device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The sludge drying equipment is characterized by comprising a rack, a conditioning mechanism (2), a filter pressing mechanism (3) and a connecting pipeline (4), wherein the conditioning mechanism (2) and the filter pressing mechanism (3) are arranged on the rack, the connecting pipeline (4) is connected between the conditioning mechanism (2) and the filter pressing mechanism (3), and rollers (13) are arranged at the bottom of the rack;
the conditioning mechanism (2) comprises a conditioning device (21) and a couplant container (22) for introducing a couplant into the conditioning device (21), the conditioning device (21) is provided with a sludge inlet (214), and the sludge introduced into the conditioning device (21) and the couplant can be conditioned and modified to obtain conditioned sludge;
the filter pressing mechanism (3) comprises a membrane filter press (31);
the conditioning mud can pass through the connecting pipeline (4) and is introduced into the membrane filter press (31), and the membrane filter press (31) is used for filter-pressing the conditioning mud.
2. The sludge drying apparatus according to claim 1, wherein the conditioning mechanism (2) further comprises a mixing tank (23), the mixing tank (23) is respectively communicated with the conditioning device (21) and the connecting pipeline (4), and the conditioning sludge obtained by the conditioning device (21) can be introduced into the mixing tank (23).
3. The sludge drying apparatus according to claim 2, wherein the conditioning device (21) comprises a first conditioning chamber (211) and a second conditioning chamber (212) which are communicated with each other;
the first conditioning chamber (211) is communicated with the coupling agent container (22) and is provided with the sludge inlet (214), and the coupling agent contains hydroxyl radicals and ferrous ions;
the second conditioning chamber (212) can be communicated with the mixing box (23) through the connecting pipeline (4), and a pulse electromagnetic wave generating device (213) is arranged in the second conditioning chamber (212).
4. The sludge drying apparatus according to any one of the claims 1 to 3, wherein the filter pressing mechanism (3) further comprises a liquid storage tank (32) and a centrifugal pump (33), and the centrifugal pump (33) is used for pumping the liquid in the liquid storage tank (32) into a diaphragm plate chamber of the diaphragm filter press (31).
5. The sludge drying apparatus according to claim 4, wherein the centrifugal pump (33) is a multistage centrifugal pump (33).
6. The sludge drying equipment as claimed in any one of claims 1 to 3, wherein the filter pressing mechanism (3) further comprises a belt conveyor (34), the sludge discharge port of the membrane filter press (31) is communicated with the belt conveyor (34), and the water discharge port of the membrane filter press (31) is provided with a water discharge pipe (311).
7. The sludge drying equipment as claimed in any one of claims 1 to 3, wherein the frame comprises a first frame (11) and a second frame (12) which are respectively provided with the rollers (13) at the bottom, the conditioning mechanism (2) is arranged on the first frame (11), and the filter pressing mechanism (3) is arranged on the second frame (12).
8. The sludge drying equipment as claimed in claim 7, further comprising a wire inlet cabinet (5) for supplying power to the conditioning mechanism (2) and the filter pressing mechanism (3) and a connecting wire (6) connected between the conditioning mechanism (2) and the filter pressing mechanism (3), wherein the wire inlet cabinet (5) is arranged on the first frame (11) or the second frame (12).
9. The sludge drying apparatus according to claim 7, further comprising a first housing (71) and a second housing (72);
the first outer cover (71) covers the first rack (11) and encloses with the first rack (11) to form an installation space for placing the conditioning mechanism (2);
the second outer cover (72) covers the second rack (12) and encloses with the second rack (12) to form an installation space for placing the filter pressing mechanism (3).
10. A sludge drying system comprising at least one sludge drying apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911025015.2A CN110606640A (en) | 2019-10-25 | 2019-10-25 | Sludge drying system and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911025015.2A CN110606640A (en) | 2019-10-25 | 2019-10-25 | Sludge drying system and equipment |
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| Publication Number | Publication Date |
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| CN110606640A true CN110606640A (en) | 2019-12-24 |
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| CN201911025015.2A Pending CN110606640A (en) | 2019-10-25 | 2019-10-25 | Sludge drying system and equipment |
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| CN106219941A (en) * | 2016-09-05 | 2016-12-14 | 东江环保股份有限公司 | The method of resource of hydrogen is produced in municipal sludge deep dehydration and the pyrolysis of mud cake steam gasification |
| CN109133553A (en) * | 2018-10-11 | 2019-01-04 | 湖南隆辉环保有限公司 | A kind of continous way sludge conditioning system and its apparatus |
| CN210825902U (en) * | 2019-10-25 | 2020-06-23 | 深圳市沛承隆辉环保有限公司 | Sludge drying system and equipment |
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2019
- 2019-10-25 CN CN201911025015.2A patent/CN110606640A/en active Pending
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