CN219259819U - Sludge dewatering and drying equipment - Google Patents
Sludge dewatering and drying equipment Download PDFInfo
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- CN219259819U CN219259819U CN202223325885.1U CN202223325885U CN219259819U CN 219259819 U CN219259819 U CN 219259819U CN 202223325885 U CN202223325885 U CN 202223325885U CN 219259819 U CN219259819 U CN 219259819U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses sludge dewatering and drying equipment, which comprises a sludge tank, wherein the outer side of the sludge tank is fixedly connected with a sludge feeding pump, the outer side of the sludge feeding pump is fixedly connected with a spiral shell stacking machine, the outer side of the spiral shell stacking machine is fixedly connected with a sludge hopper, the outer side of the sludge hopper is fixedly connected with a sludge feeding pump, and the left side of the sludge feeding pump is fixedly connected with a thermal hydrolysis unit; according to the sludge dewatering and drying equipment, sludge after cell wall breaking by thermal hydrolysis is led into a sludge conditioning tank for conditioning, so that solid components in the sludge form fine particles, the sludge is input into a diaphragm plate-and-frame filter press by a screw pump for squeezing and dewatering, the water content in the dewatered sludge can be as low as 25-40%, waste water in the whole treatment process is returned to a sewage plant conditioning tank for treatment, and generated extremely small high-concentration volatile gas is collected in a boiler for incineration, so that the sludge can be rapidly dried.
Description
Technical Field
The utility model relates to the technical field of sludge treatment, in particular to sludge dewatering and drying equipment.
Background
The sludge treatment is an important link of urban sewage treatment, a large amount of sludge can be generated after the urban sewage treatment, the water content of the sludge is very high and generally reaches more than 99%, and the sludge generation amount is continuously increased along with the expansion of the sewage treatment scale and the improvement of the standard.
The water content of the dehydrated sludge in the current sludge dewatering method adopted by the sewage treatment plant is often only about 60%, the subsequent treatment is unfavorable, the treatment energy consumption is high, the dewatering difficulty is high, and the sludge is better treated and the water content is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides sludge dewatering and drying equipment, which solves the problems.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a sludge dewatering desiccation equipment, includes the sludge impoundment, the outside fixedly connected with sludge feed pump of sludge impoundment, the outside fixedly connected with of sludge feed pump stacks the spiral shell machine, the outside fixedly connected with mud hopper of stacking the spiral shell machine, the outside fixedly connected with mud pump of mud hopper, the left side fixedly connected with pyrolysis unit of mud pump, the outside fixedly connected with boiler of pyrolysis unit, the outside fixedly connected with high temperature high pressure pipe of pyrolysis unit, the outside fixedly connected with choke tank of high temperature high pressure pipe, the top fixedly connected with heat recovery mechanism of choke tank, heat recovery pipe's top grafting has the heat recovery pipe.
Preferably, one side of the throttle tank, which is far away from the high-temperature high-pressure pipe, is fixedly connected with a throttle valve, the outer side of the throttle valve is fixedly connected with a sludge conditioning tank, the outer side of the sludge conditioning tank is provided with a screw pump, the outer side of the screw pump is fixedly connected with a diaphragm plate-and-frame filter press, and the outer side of the diaphragm plate-and-frame filter press is fixedly connected with a sludge conveyor.
Preferably, the top and the outside of the sludge feed pump are respectively inserted with a communicating pipe, the top communicating pipe is placed in the sludge pond, the top of the spiral shell stacking machine is provided with a feed inlet, and the outside communicating pipe is inserted in the feed inlet of the spiral shell stacking machine.
Preferably, a guide pipe is inserted between the spiral shell stacking machine and the sludge hopper, connecting pipes are inserted at the outer side and the top of the sludge inlet pump, the top connecting pipe is inserted in the thermal hydrolysis unit, and the outer connecting pipe is inserted in the sludge hopper.
Preferably, a steam conveying pipe is fixedly connected between the boiler and the thermal hydrolysis unit, a steam generator is fixedly connected inside the steam conveying pipe, and the heat recovery pipe is inserted into the top of the thermal hydrolysis unit.
Preferably, the tops of the sludge conditioning tank and the sludge hopper are respectively inserted with a cover plate, and a discharging hole is formed in the upper cover plate of the sludge conditioning tank.
Preferably, the inside of sludge conditioning pond is provided with rabbling mechanism, the equal fixedly connected with honeycomb duct in both ends of screw pump, left side honeycomb duct grafting is in the inside of sludge conditioning pond, and right side honeycomb duct grafting is in the inside of diaphragm plate frame filter press.
Preferably, a water guide pipe is fixedly connected to the outer side of the diaphragm plate-and-frame filter press, and the water guide pipe is communicated with a sewage plant regulating tank.
Advantageous effects
The utility model provides a sludge dewatering and drying device. Compared with the prior art, the method has the following beneficial effects:
(1) The sludge dewatering and drying equipment preheats a boiler by using fuel such as natural gas, so that saturated steam with the temperature of 130-180 ℃ is generated in the boiler, the steam enters a thermal hydrolysis unit through a steam conveying pipe to heat pretreated sludge, the heated sludge flows into the inside of a throttling tank through a high-temperature high-pressure pipe, then a throttling valve in the throttling tank is opened, the high-temperature high-pressure sludge is suddenly decompressed and fried to break walls of sludge cells, a heat recovery mechanism at the top of the throttling tank recovers heat in the throttling tank, the heat is guided into the thermal hydrolysis unit through the heat recovery pipe, and the recovered heat is used for preheating the sludge, so that resources are recovered and utilized.
(2) The sludge after the cell wall breaking by the thermal hydrolysis is led into a sludge conditioning tank for conditioning, so that solid components in the sludge form fine particles, the sludge is input into a diaphragm plate-and-frame filter press by a screw pump for squeezing and dewatering, the water content in the dewatered sludge can be as low as 25-40%, and the wastewater in the whole treatment process is returned to a sewage plant conditioning tank for treatment, so that the generated extremely small high-concentration volatile gas is collected in a boiler for burning, and the sludge can be rapidly dried.
Drawings
FIG. 1 is a perspective view of the external structure of the present utility model;
FIG. 2 is a side perspective view of the external structure of the present utility model;
FIG. 3 is a side view of the external structure of the present utility model;
fig. 4 is a flowchart of the operation of the present utility model.
In the figure 1, a sludge pool; 2. a sludge feed pump; 3. a spiral shell stacking machine; 4. a sludge hopper; 5. a mud pump; 6. a boiler; 7. a thermal hydrolysis unit; 8. a throttle tank; 9. a heat recovery mechanism; 10. a heat recovery tube; 11. a throttle valve; 12. a sludge conditioning tank; 13. a diaphragm plate-and-frame filter press; 14. a sludge conveyor; 15. a screw pump; 16. a high temperature and high pressure pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Embodiment one:
referring to fig. 1-4, a sludge dewatering and drying device comprises a sludge tank 1, a sludge feed pump 2 is fixedly connected to the outer side of the sludge tank 1, communicating pipes are inserted into the top and the outer side of the sludge feed pump 2, the top communicating pipes are placed in the sludge tank 1, a feed port is formed in the top of a spiral shell stacking machine 3, the outer side communicating pipes are inserted into the feed port of the spiral shell stacking machine 3, the spiral shell stacking machine 3 is fixedly connected to the outer side of the sludge feed pump 2, a guide pipe is inserted between the spiral shell stacking machine 3 and the sludge hopper 4, connecting pipes are inserted into the outer side and the top of the sludge feed pump 5, the top connecting pipes are inserted into the hot water hydrolysis unit 7, the outer side of the sludge hopper 4 is fixedly connected with the sludge feed pump 5, the hot water hydrolysis unit 7 is fixedly connected with a boiler 6, a steam conveying pipe is fixedly connected between the boiler 6 and the hot water hydrolysis unit 7, a steam generator is fixedly connected to the inner side of the conveying pipe, a heat recovery pipe 10 is fixedly connected to the top of the high-pressure recovery pipe 9 of the high-temperature recovery unit, the heat recovery pipe 10 is fixedly connected to the top of the high-pressure recovery pipe 9 of the high-pressure recovery unit, and the top of the high-pressure recovery pipe is fixedly connected to the top of the high-pressure recovery pipe 9.
Firstly, the sludge in a sludge pond 1 is pumped into the interior of a spiral stacking machine 3 through a sludge feeding pump 2 to be pre-dehydrated, the water content of the treated sludge is 80-85%, the treated sludge is led into a sludge hopper 4 for standby through the spiral stacking machine 3, the sludge in the sludge hopper 4 is led into a thermal hydrolysis unit 7 through a sludge feeding pump 5, a boiler 6 is preheated by natural gas and other fuels, so that saturated steam with the temperature of 130-180 ℃ is generated in the boiler 6, the steam enters the thermal hydrolysis unit 7 through a steam conveying pipe to heat the pretreated sludge, the heated sludge flows into the interior of a throttling pot 8 through a high-temperature high-pressure pipe 16, then a throttling valve 11 in the throttling pot 8 is opened to enable the high-temperature high-pressure sludge to be suddenly decompressed and exploded, the wall of the sludge cells is broken, a heat recovery mechanism 9 at the top of the throttling pot 8 is used for recovering heat in the throttling pot 8, the heat is led into the interior of the thermal hydrolysis unit 7 through a heat recovery pipe 10, and the recovered heat is used for preheating the sludge.
Embodiment two:
referring to fig. 1-4, the present embodiment provides a technical solution based on the first embodiment: the utility model provides a sludge dewatering mummification equipment, including sludge impoundment 1, the outside fixedly connected with sludge feed pump 2 of sludge impoundment 1, the outside fixedly connected with of sludge feed pump 2 stacks spiral shell machine 3, the outside fixedly connected with sludge hopper 4 of stacking spiral shell machine 3, the outside fixedly connected with of sludge hopper 4 advances mud pump 5, the left side fixedly connected with pyrolysis unit 7 of advance mud pump 5, the outside fixedly connected with boiler 6 of pyrolysis unit 7, the outside fixedly connected with high temperature high pressure pipe 16 of pyrolysis unit 7, the outside fixedly connected with choke tank 8 of high temperature high pressure pipe 16, the top fixedly connected with heat recovery mechanism 9 of choke tank 8, the top grafting of heat recovery mechanism 9 has heat recovery pipe 10, one side fixedly connected with choke valve 11 of choke valve 11 is kept away from to choke tank 8, the outside fixedly connected with sludge conditioning pond 12 of choke valve 11, the top of sludge conditioning pond 12 and sludge hopper 4 all is pegged graft and is had the apron, the inside of apron has seted up the blowing hole on the sludge conditioning pond 12, the inside of pyrolysis pond 12 is provided with boiler 6, the honeycomb duct stirring mechanism, the outside fixedly connected with drain pump 15's honeycomb duct is connected with drain frame 13 in the filter press 13 at the filter press 13, the outside of filter press 13 is connected with drain frame 13 in the outside of filter press, the outside of filter press 13 fixedly connected with drain frame 13, the outside of filter press 13 is connected with drain frame 13.
The sludge after thermal hydrolysis cell wall breaking is led into a sludge conditioning tank 12 for conditioning, so that solid components in the sludge form fine particles, the sludge is led into a diaphragm plate-and-frame filter press 13 by a screw pump 15 for squeezing and dewatering, the water content in the dewatered sludge can be as low as 25-40%, the wastewater in the whole treatment process is returned to the sewage plant conditioning tank for treatment, and the generated extremely small high-concentration volatile gas is collected in a boiler 6 for incineration.
And all that is not described in detail in this specification is well known to those skilled in the art.
When in work, firstly, the sludge in the sludge pond 1 is pumped into the interior of the spiral shell stacking machine 3 through the sludge feeding pump 2 to be pre-dehydrated, the water content of the sludge after being processed is 80-85%, the sludge in the sludge hopper 4 is led into the sludge hopper 4 for standby through the spiral shell stacking machine 3, the sludge in the sludge hopper 4 is led into the thermal hydrolysis unit 7 through the sludge feeding pump 5, the boiler 6 is preheated by natural gas and other fuels, so that saturated steam with the temperature of 130-180 ℃ is generated in the boiler 6, the steam enters the thermal hydrolysis unit 7 through the steam conveying pipe to heat the pretreated sludge, the heated sludge flows into the interior of the throttling pot 8 through the high-temperature high-pressure pipe 16, then the throttling valve 11 in the throttling pot 8 is opened to enable the high-temperature high-pressure sludge to be suddenly decompressed and fried, the sludge cell wall is broken, a heat recovery mechanism 9 at the top of a throttle tank 8 recovers heat in the throttle tank 8, heat is led into a thermal hydrolysis unit 7 through a heat recovery pipe 10, the recovered heat is used for preheating the sludge, the sludge after thermal hydrolysis cell wall breaking is led into a sludge conditioning tank 12 and conditioned, solid components in the sludge form fine particles, the sludge is input into a diaphragm plate-frame filter press 13 by a screw pump 15 for squeezing and dewatering, the water content in the dewatered sludge can be as low as 25-40%, waste water in the whole treatment process is returned to the sewage plant conditioning tank for treatment, and the generated extremely small high-concentration volatile gas is collected in a concentrated mode and is burnt in a boiler 6.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Sludge dewatering desiccation equipment, including sludge impoundment (1), its characterized in that: the utility model provides a high-temperature high-pressure energy saving device for the sludge pool, includes mud pond (1)'s outside fixedly connected with mud feeding pump (2), the outside fixedly connected with of mud feeding pump (2) is folded spiral shell machine (3), the outside fixedly connected with mud bucket (4) of folding spiral shell machine (3), the outside fixedly connected with of mud bucket (4) advances mud pump (5), the left side fixedly connected with of advance mud pump (5) thermal hydrolysis unit (7), the outside fixedly connected with boiler (6) of thermal hydrolysis unit (7), the outside fixedly connected with high temperature high pressure pipe (16) of thermal hydrolysis unit (7), the outside fixedly connected with choke tank (8) of high temperature high pressure pipe (16), the top fixedly connected with heat recovery mechanism (9) of choke tank (8), peg graft there is heat recovery pipe (10) at the top of heat recovery mechanism (9).
2. The sludge dewatering and drying device according to claim 1, wherein: one side that high temperature high pressure pipe (16) was kept away from to choke tank (8) is fixedly connected with choke valve (11), the outside fixedly connected with mud conditioning pond (12) of choke valve (11), the outside of mud conditioning pond (12) is provided with screw pump (15), the outside fixedly connected with diaphragm plate frame filter press (13) of screw pump (15), the outside fixedly connected with sludge conveyor (14) of diaphragm plate frame filter press (13).
3. The sludge dewatering and drying device according to claim 1, wherein: communicating pipes are inserted into the top and the outer side of the sludge feed pump (2), the top communicating pipe is placed in the sludge pond (1), a feed inlet is formed in the top of the spiral shell stacking machine (3), and the outer communicating pipe is inserted into the feed inlet of the spiral shell stacking machine (3).
4. The sludge dewatering and drying device according to claim 1, wherein: the spiral shell machine is characterized in that a guide pipe is inserted between the spiral shell machine (3) and the sludge hopper (4), connecting pipes are inserted at the outer side and the top of the sludge inlet pump (5), the top connecting pipe is inserted in the thermal hydrolysis unit (7), and the outer connecting pipe is inserted in the sludge hopper (4).
5. The sludge dewatering and drying device according to claim 1, wherein: the steam generator is fixedly connected with the inside of the steam conveying pipe, and the heat recovery pipe (10) is inserted into the top of the thermal hydrolysis unit (7).
6. The sludge dewatering and drying device according to claim 2, wherein: cover plates are inserted into the tops of the sludge conditioning tank (12) and the sludge hopper (4), and discharging holes are formed in the upper cover plate of the sludge conditioning tank (12).
7. The sludge dewatering and drying device according to claim 2, wherein: the inside of sludge conditioning pond (12) is provided with rabbling mechanism, the both ends of screw pump (15) are all fixedly connected with honeycomb duct, and left side honeycomb duct is pegged graft in the inside of sludge conditioning pond (12), and right side honeycomb duct is pegged graft in the inside of diaphragm plate frame filter press (13).
8. The sludge dewatering and drying device according to claim 2, wherein: the outside of diaphragm plate frame filter press (13) fixedly connected with aqueduct, aqueduct and sewage plant equalizing basin intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223325885.1U CN219259819U (en) | 2022-12-09 | 2022-12-09 | Sludge dewatering and drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223325885.1U CN219259819U (en) | 2022-12-09 | 2022-12-09 | Sludge dewatering and drying equipment |
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| Publication Number | Publication Date |
|---|---|
| CN219259819U true CN219259819U (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223325885.1U Active CN219259819U (en) | 2022-12-09 | 2022-12-09 | Sludge dewatering and drying equipment |
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| Country | Link |
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| CN (1) | CN219259819U (en) |
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2022
- 2022-12-09 CN CN202223325885.1U patent/CN219259819U/en active Active
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