CN220485521U - Energy-saving full-automatic sludge drying treatment system - Google Patents
Energy-saving full-automatic sludge drying treatment system Download PDFInfo
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- CN220485521U CN220485521U CN202321832414.1U CN202321832414U CN220485521U CN 220485521 U CN220485521 U CN 220485521U CN 202321832414 U CN202321832414 U CN 202321832414U CN 220485521 U CN220485521 U CN 220485521U
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- 239000010802 sludge Substances 0.000 title claims abstract description 127
- 238000001035 drying Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000002918 waste heat Substances 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 21
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 4
- 239000000498 cooling water Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses an energy-saving full-automatic-adjustment sludge drying treatment system which is characterized by comprising a sludge screw pump, a centrifugal dehydrator, a wet sludge bin, a first discharge screw, a low-temperature waste heat sludge dryer, a second discharge screw, a second discharge scraper, a dry sludge bin, a third discharge screw and a heat circulation device for cooling and heating air for drying sludge. The utility model adopts the indirectly heated low-temperature waste heat sludge drier, which is safe and reliable in operation, and the matched heat pump can recycle part of heat released by cooling water, so that the whole system saves 20% -50% of heat energy; when the mud inlet amount and the mud inlet and outlet water content are changed, the automatic adjustment of the operation parameters can be realized through the program setting and operation of the automatic control system, the energy saving aim is achieved, and the system can be well adapted to the change and adjustment of the mud amount and the water content in actual operation, and is worthy of popularization and use.
Description
Technical Field
The utility model relates to an energy-saving full-automatic regulation sludge drying treatment system, and belongs to the technical field of sludge treatment systems.
Background
Sludge drying refers to the process of removing part of water from dewatered sludge through the actions of infiltration or evaporation and the like, and encourages innocent treatment by adopting sludge drying according to the latest relevant policy documents in China.
At present, more and more sludge drying projects in China fall to the ground, but the sludge drying technology presents diversified patterns, various sludge drying treatment systems have advantages and disadvantages, the conventional sludge drying treatment system has poor adaptability to the change of operation conditions, and when the sludge inlet amount or the sludge inlet and outlet water content are changed, the system cannot automatically adjust the operation parameters and needs to manually adjust the parameters, and meanwhile, a great amount of energy consumption is wasted.
Disclosure of Invention
The utility model aims to solve the problems that the conventional sludge drying treatment system has poor adaptability to the change of the operation condition, the system cannot automatically adjust the operation parameters, and a large amount of energy consumption is wasted.
The utility model adopts the following technical scheme to solve the technical problems:
the utility model provides an energy-saving full-automatic regulation sludge drying treatment system, which comprises a sludge screw pump, a centrifugal dehydrator, a wet sludge bin, a first discharge screw, a low-temperature waste heat sludge dryer, a second discharge screw, a discharge scraper, a dry sludge bin, a third discharge screw and a heat circulation device for cooling and heating air for drying sludge, wherein an outlet of the sludge screw pump is connected with an inlet of the centrifugal dehydrator, an outlet of the centrifugal dehydrator is connected with an inlet of the wet sludge bin, an outlet of the wet sludge bin is connected with an inlet of the first discharge screw, an outlet of the first discharge screw is connected with a sludge inlet of the low-temperature waste heat sludge dryer, an outlet of the second discharge screw is connected with an inlet of the discharge scraper, an outlet of the discharge scraper is connected with an inlet of the dry sludge bin, and an outlet of the sludge dry bin is connected with an inlet of the third discharge screw; the outlet of the discharging spiral III discharges mud; the heat circulation device is connected with the low-temperature waste heat sludge drier; the heat circulation device comprises a hot water pump, a cold water pump, a heat pump and a cooling tower; the water outlet of the low-temperature waste heat sludge drying machine is connected with inlets of a hot water pump and a cold water pump, the outlet of the hot water pump is connected with a heat pump inlet, the outlet of the heat pump is connected with a water inlet of the low-temperature waste heat sludge drying machine, the outlet of the cold water pump is connected with a heat pump inlet, the outlet of the heat pump is connected with a cooling tower inlet, and a water outlet pipe of the cooling tower is connected with a water inlet of the low-temperature waste heat sludge drying machine.
Preferably, the sludge screw pump is provided with an on-line sludge concentration meter and a sludge flowmeter.
Further preferably, temperature sensors are arranged in the low-temperature waste heat sludge drier and the heat pump.
Further preferably, a blower and a circulating pump are arranged in the cooling tower, the blower can be adjusted in a variable frequency mode, and the circulating pump is a pump which can be adjusted in a variable frequency mode.
Further preferably, an electric regulating valve is arranged between the water inlet pipe and the water outlet pipe of the cooling tower, and the water inlet pipes of the hot water pump and the cold water pump are both provided with a constant-pressure water supplementing and exhausting unit.
Further preferably, the hot water pump and the cold water pump are both variable-frequency adjustable pumps, and the hot water pump and the cold water pump are both provided with online flow meters.
Further preferably, the residence time of the sludge in the low-temperature waste heat sludge drier can be automatically adjusted.
Further preferably, the second discharging screw, the discharging scraper, the dry sludge bin and the third discharging screw can convey sludge with the water content in the range of 20-60%.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model adopts the indirectly heated low-temperature waste heat sludge drier, which is safe and reliable in operation, and the matched heat pump can recycle part of heat released by cooling water, so that the whole system saves 20% -50% of heat energy;
2. the utility model is provided with an on-line sludge concentration meter, a sludge flowmeter, a temperature sensor and a cold and hot water flowmeter, all water pumps and fans can be regulated in a variable frequency manner, an electric regulating valve is arranged between a water inlet pipe and a water outlet pipe of a cooling tower, a dry sludge conveyor storage system can convey sludge with the water content within the range of 20-60%, when the sludge inlet amount and the water content of the sludge inlet and outlet are changed, the automatic regulation of operation parameters can be realized through program setting and operation of an automatic control system, the energy-saving aim is achieved, and the system can be well adapted to the change and regulation of the sludge amount and the water content in actual operation and is worth popularizing and using.
Drawings
Fig. 1 is a schematic diagram of an energy-saving fully-automatic-regulation sludge drying treatment system provided by the utility model.
Reference numerals: 1. a sludge screw pump; 2; a centrifugal dehydrator; 31. a wet sludge bin; 32. a discharging screw I; 4. a low-temperature waste heat sludge drier; 5. a discharging screw II; 6. discharging scraper machine; 71. a dry sludge bin; 72. a discharging spiral III; 8. a heat pump; 9. a cooling tower; 10 a hot water pump; 11. constant-pressure water supplementing and exhausting unit; 12. a cold water pump; 13. an electric regulating valve.
Detailed Description
In order to make the utility model more comprehensible, preferred embodiments accompanied with the accompanying drawings are described in detail as follows:
as shown in fig. 1, the utility model provides an energy-saving full-automatic regulation sludge drying treatment system, which comprises a sludge screw pump 1, a centrifugal dehydrator 2, a wet sludge storage bin 31, a first discharging screw 32, a low-temperature waste heat sludge dryer 4, a second discharging screw 5, a discharge scraper 6, a dry sludge storage bin 71, a third discharging screw 72 and a heat circulation device for cooling and heating air for drying sludge; the outlet of the sludge screw pump 1 is connected with the inlet of the centrifugal dehydrator 2, the outlet of the centrifugal dehydrator 2 is connected with the inlet of the wet sludge storage bin 31, the outlet of the wet sludge storage bin 31 is connected with the inlet of the discharge screw I32, the outlet of the discharge screw I32 is connected with the sludge inlet of the low-temperature waste heat sludge drier 4, the sludge outlet of the low-temperature waste heat sludge drier 4 is connected with the inlet of the discharge screw II 5, the outlet of the discharge screw II 5 is connected with the inlet of the discharge scraper 6, the outlet of the discharge scraper 6 is connected with the inlet of the dry sludge storage bin 71, and the outlet of the sludge dry storage bin 71 is connected with the inlet of the discharge screw III 72; the outlet of the discharging spiral III 72 is used for discharging mud; the heat circulation device is connected with the low-temperature waste heat sludge dryer 4; the heat circulation device comprises a hot water pump 10, a cold water pump 12, a heat pump 8 and a cooling tower 9; the water outlet of the low-temperature waste heat sludge dryer 4 is connected with inlets of a hot water pump 10 and a cold water pump 12, an outlet of the hot water pump 10 is connected with an inlet of a heat pump 8, an outlet of the heat pump 8 is connected with a water inlet of the low-temperature waste heat sludge dryer 4, an outlet of the cold water pump 12 is connected with an inlet of the heat pump 8, an outlet of the heat pump 8 is connected with an inlet of a cooling tower 9, and a water outlet pipe of the cooling tower 9 is connected with a water inlet of the low-temperature waste heat sludge dryer 4; an online sludge concentration meter and a sludge flowmeter are arranged on the sludge screw pump 1; temperature sensors are arranged in the low-temperature waste heat sludge drier 4 and the heat pump 8; the cooling tower 9 is internally provided with a blower and a circulating pump, the blower can be regulated in a variable frequency manner, and the circulating pump is a pump which can be regulated in a variable frequency manner; an electric regulating valve 13 is arranged between the water inlet pipe and the water outlet pipe of the cooling tower 9, and the water inlet pipes of the hot water pump 10 and the cold water pump 12 are respectively provided with a constant-pressure water supplementing and air exhausting unit 11; the hot water pump 10 and the cold water pump 12 are variable-frequency adjustable pumps, and the hot water pump 10 and the cold water pump 12 are provided with online flow meters; the residence time of the sludge in the low-temperature waste heat sludge dryer 4 can be automatically adjusted; the second discharging screw 5, the discharging scraper 6, the dry sludge bin 71 and the third discharging screw 72 can convey sludge with the water content in the range of 20-60%.
When the system is used, sludge is lifted by the sludge screw pump 1 to enter the centrifugal dehydrator 2, dehydrated to the water content of 80%, then falls into the wet sludge bin and the discharging screw 3 for temporary storage, then falls into the low-temperature waste heat sludge dehydrator 4 for drying to the water content of 30%, then is conveyed to the dry sludge bin and the discharging screw 7 for temporary storage by the discharging screw 5 and the discharging scraper 6, is treated by periodic outward transportation, the heat pump 8 heats water in the closed circulation system, is conveyed to the low-temperature waste heat sludge dehydrator 4, heats air into dry hot air, the sludge is tiled and rotated in the dehydrator and heated by the dry hot air, the water in the sludge is changed into wet air to be discharged, the wet air is collected and then is cooled into condensed water by the cooling water and then is discharged out of the system, the heat pump 8 is used for recovering part of heat released by the cooling water discharged by the low-temperature waste heat sludge dehydrator 4, the cold waste water discharged by the heat pump 8 is cooled by the cooling tower 9 and enters the wet air cooled by the low-temperature waste heat sludge dehydrator 4, when the sludge feeding amount is small and the water content of the sludge is high, the heat required by the system is reduced, the automatic adjustment of the system can be automatically performed according to the numerical value of the sludge flowmeter and the sludge concentration meter, the automatic adjustment system is realized, the automatic adjustment of the opening degree of the system is realized, the automatic adjustment of the energy pump is realized, the automatic adjustment system is realized, and the automatic adjustment of the system is realized, and the system is automatically has a low energy saving, and the system is adjusted.
While the utility model has been described with respect to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. Equivalent embodiments of the present utility model will be apparent to those skilled in the art having the benefit of the teachings disclosed herein, when considered in the light of the foregoing disclosure, and without departing from the spirit and scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (6)
1. The energy-saving full-automatic sludge drying treatment system is characterized by comprising a sludge screw pump (1), a centrifugal dehydrator (2), a wet sludge bin (31), a first discharge screw (32), a low-temperature waste heat sludge dryer (4), a second discharge screw (5), a discharge scraper (6), a dry sludge bin (71), a third discharge screw (72), a heat circulating device for cooling and heating air for drying sludge, wherein an outlet of the sludge screw pump (1) is connected with an inlet of the centrifugal dehydrator (2), an outlet of the centrifugal dehydrator (2) is connected with an inlet of a wet sludge bin (31), an outlet of the wet sludge bin (31) is connected with an inlet of the first discharge screw (32), an outlet of the first discharge screw (32) is connected with a sludge inlet of the low-temperature waste heat sludge dryer (4), an outlet of the low-temperature waste heat sludge dryer (4) is connected with an inlet of the second discharge screw (5), an outlet of the second discharge screw (5) is connected with an inlet of the discharge scraper (6), an outlet of the discharge scraper (6) is connected with an inlet of the dry sludge bin (71), and an outlet of the dry sludge bin (71) is connected with an outlet of the third discharge screw (72); the outlet of the discharging spiral III (72) discharges mud; the heat circulation device is connected with the low-temperature waste heat sludge drier (4); the heat circulation device comprises a hot water pump (10), a cold water pump (12), a heat pump (8) and a cooling tower (9); the water outlet of the low-temperature waste heat sludge drying machine (4) is connected with the inlets of a hot water pump (10) and a cold water pump (12), the outlet of the hot water pump (10) is connected with the inlet of a heat pump (8), the outlet of the heat pump (8) is connected with the water inlet of the low-temperature waste heat sludge drying machine (4), the outlet of the cold water pump (12) is connected with the inlet of the heat pump (8), the outlet of the heat pump (8) is connected with the inlet of a cooling tower (9), and the water outlet pipe of the cooling tower (9) is connected with the water inlet of the low-temperature waste heat sludge drying machine (4).
2. The energy-saving full-automatic regulation sludge drying treatment system according to claim 1 is characterized in that an online sludge concentration meter and a sludge flowmeter are arranged on the sludge screw pump (1).
3. The energy-saving full-automatic regulation sludge drying treatment system according to claim 2 is characterized in that temperature sensors are arranged in the low-temperature waste heat sludge drying machine (4) and the heat pump (8).
4. The energy-saving full-automatic regulation sludge drying treatment system according to claim 3, wherein a blower and a circulating pump are arranged in the cooling tower (9), the blower can be regulated in a variable frequency manner, and the circulating pump is a pump which can be regulated in a variable frequency manner.
5. The energy-saving full-automatic regulation sludge drying treatment system according to claim 4, wherein an electric regulating valve (13) is arranged between a water inlet pipe and a water outlet pipe of the cooling tower (9), and water inlet pipes of the hot water pump (10) and the cold water pump (12) are both provided with a constant-pressure water supplementing and exhausting unit (11).
6. The energy-saving full-automatic regulation sludge drying treatment system according to claim 5, wherein the hot water pump (10) and the cold water pump (12) are variable-frequency regulation pumps, and the hot water pump (10) and the cold water pump (12) are provided with online flow meters.
Priority Applications (1)
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CN202321832414.1U CN220485521U (en) | 2023-07-12 | 2023-07-12 | Energy-saving full-automatic sludge drying treatment system |
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CN202321832414.1U CN220485521U (en) | 2023-07-12 | 2023-07-12 | Energy-saving full-automatic sludge drying treatment system |
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CN202321832414.1U Active CN220485521U (en) | 2023-07-12 | 2023-07-12 | Energy-saving full-automatic sludge drying treatment system |
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