CN220550095U - Sludge drying and cooling device - Google Patents
Sludge drying and cooling device Download PDFInfo
- Publication number
- CN220550095U CN220550095U CN202321429393.9U CN202321429393U CN220550095U CN 220550095 U CN220550095 U CN 220550095U CN 202321429393 U CN202321429393 U CN 202321429393U CN 220550095 U CN220550095 U CN 220550095U
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- unit
- dosing
- drying
- sludge
- exchange system
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- 238000001816 cooling Methods 0.000 title claims abstract description 40
- 238000001035 drying Methods 0.000 title claims abstract description 32
- 239000010802 sludge Substances 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 230000018044 dehydration Effects 0.000 claims abstract description 25
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 25
- 239000010865 sewage Substances 0.000 claims abstract description 15
- 238000004321 preservation Methods 0.000 claims abstract description 14
- 239000003814 drug Substances 0.000 claims abstract description 9
- 229940079593 drug Drugs 0.000 claims abstract description 4
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 208000005156 Dehydration Diseases 0.000 description 17
- 239000000498 cooling water Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 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
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a sludge drying and cooling device which comprises a dehydration unit, a drying unit and a dosing unit, wherein the dehydration unit is used for carrying out preliminary dehydration on sewage to be treated to obtain sludge, and the sludge enters the drying unit; the dosing unit is used for dosing treatment of sewage before entering the dehydration unit, the drying unit comprises a heat exchange system, the heat exchange system is communicated with a heat preservation pipe arranged on the dosing unit, and hot water heated by the heat exchange system dissolves medicines in the dosing unit.
Description
Technical Field
The utility model relates to the technical field of environmental protection, in particular to a sludge drying and cooling device.
Background
The sludge is an inevitable product of a water purification plant, is subjected to primary concentration and dehydration by adopting a centrifugal machine after water treatment, and is dehydrated to generate sludge with the water content of about 80%, and enters a sludge treatment center for dehydration and drying treatment. In the sludge dewatering and drying process, the equipment can generate considerable heat, cooling measures are needed to ensure the normal operation of the equipment, the heat is basically dissipated into the air, the heat energy utilization is zero, and the resource waste is caused.
Disclosure of Invention
Aiming at the problems in the background technology, a sludge drying and cooling device is provided to solve the problems in the background technology.
The technical aim of the utility model is realized by the following technical scheme:
the sludge drying and cooling device comprises a dehydration unit, a drying unit and a dosing unit, wherein the dehydration unit is used for carrying out preliminary dehydration on sewage to be treated to obtain sludge, and the sludge enters the drying unit; the dosing unit is used for dosing treatment of sewage before entering the dehydration unit, the drying unit comprises a heat exchange system, the heat exchange system is communicated with a heat preservation pipe arranged on the dosing unit, and hot water heated by the heat exchange system dissolves medicines in the dosing unit.
In one embodiment, the heat exchange system comprises a plate radiator and a cooling tower, wherein the plate radiator and the cooling tower are communicated through pipelines, one side of the outer wall of each pipeline is communicated with a heat preservation pipe, and the heat preservation pipes are connected with the dosing unit.
In one embodiment, the heat exchange system further comprises a booster pump that pressurizes the hot water of the plate radiator to the cooling tower through a pipe.
In one embodiment, an electromagnetic valve group is arranged at one end of the cooling tower, which is away from the radiator, and the electromagnetic valve group is respectively communicated with the water return pipe and the water outlet pipe.
In one embodiment, one end of the water return pipe, which is away from the electromagnetic valve, is communicated with the cooling tower.
In one embodiment, the water return pipe and the water outlet pipe are made of heat dissipation materials.
In one embodiment, the heat-insulating pipe is made of heat-insulating materials.
In one embodiment, the dosing unit is a PAM dosing device.
In summary, the utility model has the following advantages: because adopt the dosing unit to be PAM dosing device, when its dosing dissolving temperature is too low, can influence centrifuge dehydration effect, set up in the insulating tube through circulating cooling water, not only can make mud continuously cool down, the insulating tube is connected PAM dosing device, can also make the heat energy that produces in the sewage purification obtain utilizing, avoided the wasting of resources, through hot water dissolution PAM medicament simultaneously, guaranteed to guarantee centrifuge dehydration effect, finally guarantee mummification workshop output.
Drawings
FIG. 1 is a flow chart of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model.
In the figure: 1. a dehydration unit; 2. a drying unit; 3. a dosing unit; 5. plate radiator; 6. a cooling tower; 7. a heat preservation pipe; 8. an electromagnetic valve group; 9. a water outlet pipe; 10. a water return pipe; 11. and a booster pump.
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.
The utility model provides an embodiment, and provides a sludge drying and cooling device, which is shown in fig. 1-2 and comprises a dehydration unit 1, a drying unit 2 and a dosing unit 3, wherein the dehydration unit 1 is used for carrying out preliminary dehydration on sewage to be treated to obtain sludge, and the sludge enters the drying unit 2; the dosing unit 3 is used for dosing treatment of sewage before entering the dehydration unit 1, the drying unit 2 comprises a heat exchange system, the heat exchange system is communicated with a heat preservation pipe 7 arranged on the dosing unit 3, and hot water heated by the heat exchange system dissolves medicines in the dosing unit 3.
In one embodiment, the heat exchange system comprises a plate radiator 5 and a cooling tower 6, wherein the plate radiator 5 and the cooling tower 6 are communicated through pipelines, one side of the outer wall of each pipeline is communicated with a heat preservation pipe 7, and the heat preservation pipes 7 are connected with the dosing unit 3.
Wherein, because adopt dosing unit 3 to be PAM dosing device, when its dosing solution temperature is too low, can influence centrifuge dehydration effect, set up in insulating tube 7 through circulating cooling water, insulating tube 7 connects PAM dosing device, can also make the heat energy that produces in the sewage purification obtain utilizing, avoided the wasting of resources, simultaneously through hot water dissolution PAM medicament, guaranteed to guarantee centrifuge dehydration effect, finally guarantee mummification workshop output.
In one embodiment, the heat exchange system further comprises a booster pump 11, the booster pump 11 pressurizing the hot water of the plate radiator 5 to the cooling tower 6 through a pipe.
In one embodiment, an electromagnetic valve group 8 is disposed at one end of the cooling tower 6 facing away from the radiator, and the electromagnetic valve group 8 is respectively communicated with a water return pipe 10 and a water outlet pipe 9.
Wherein, the electromagnetic valve group 8 can automatically control water inlet and water return according to the requirements of a dispensing system.
In one embodiment, the end of the return pipe 10 facing away from the solenoid valve is in communication with the cooling tower 6.
Wherein, through the backward flow of wet return 10 for after the lower hot water of temperature mixes high temperature hot water, alleviateed cooling tower 6's burden, reduced equipment loss, the energy consumption, promote sludge drying efficiency, the direct, indirect benefit that brings is considerable.
In one embodiment, the water return pipe 10 and the water outlet pipe 9 are made of heat dissipation materials.
In one embodiment, the heat-insulating pipe 7 is made of heat-insulating materials; so that the water heat loss in the heat preservation pipe 7 is small, and the water temperature above 32 ℃ is maintained.
In one embodiment, the dosing unit 3 is a PAM dosing device.
The operation steps of the device are as follows:
after sewage enters the plate-frame radiator through circulating cooling water to perform primary heat dissipation and temperature reduction, the temperature of hot water is still above 36 ℃, the sewage enters the cooling tower 6 through the booster pump 11 to perform secondary heat dissipation and cooling, the opening of the hot water inlet pipe of the cooling tower 6 is drained, the sewage is pressurized through the water pump, and the sewage is conveyed to the PAM dosing device from the heat-insulating pipe 7 to directly enter the dispensing system to dissolve the medicament; because the water consumption of the dissolved medicament is intermittent, the hot water conveyed by the cooling system is uninterrupted, and the electromagnetic valve group 8 automatically controls water inlet and water return according to the requirement of the dispensing system; the return pipe 10 re-enters the cooling tower 6 through the branch pipe, and after cooling is completed, the sewage enters the dehydration unit 1 for dehydration treatment.
In the process, due to the existence of the concrete burying and heat insulating layers, the heat loss of hot water in the circulating cooling water is small, and the water temperature above 32 ℃ is kept, so that the medicament is sufficiently dissolved; the burden of the cooling tower 6 is reduced, the equipment loss is reduced, the energy consumption is reduced, the sludge drying efficiency is improved, and the direct and indirect benefits are considerable after the hot water with lower temperature is mixed into the high-temperature hot water.
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. The sludge drying and cooling device comprises a dehydration unit, a drying unit and a dosing unit, wherein the dehydration unit is used for carrying out preliminary dehydration on sewage to be treated to obtain sludge, and the sludge enters the drying unit; the dosing unit is used for dosing treatment of sewage before entering the dehydration unit, and is characterized in that: the drying unit comprises a heat exchange system, the heat exchange system is communicated with the heat preservation pipe arranged on the dosing unit, and hot water heated by the heat exchange system dissolves medicines in the dosing unit.
2. A sludge drying and cooling apparatus according to claim 1, wherein: the heat exchange system comprises a plate radiator and a cooling tower, wherein the plate radiator and the cooling tower are communicated through pipelines, one side of the outer wall of each pipeline is communicated with a heat preservation pipe, and the heat preservation pipes are connected with a dosing unit.
3. A sludge drying and cooling apparatus according to claim 2, wherein: the heat exchange system further comprises a booster pump, and the booster pump pressurizes hot water of the plate radiator to the cooling tower through a pipeline.
4. A sludge drying and cooling apparatus according to claim 2, wherein: one end of the cooling tower, which is away from the radiator, is provided with an electromagnetic valve group, and the electromagnetic valve group is respectively communicated with the water return pipe and the water outlet pipe.
5. The sludge drying and cooling device according to claim 4, wherein: one end of the return water pipe, which is away from the electromagnetic valve, is communicated with the cooling tower.
6. The sludge drying and cooling device according to claim 4, wherein: the water return pipe and the water outlet pipe are made of heat dissipation materials.
7. A sludge drying and cooling apparatus according to claim 1, wherein: the heat preservation pipe is made of heat preservation materials.
8. A sludge drying and cooling apparatus according to claim 1, wherein: the dosing unit is a PAM dosing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321429393.9U CN220550095U (en) | 2023-06-06 | 2023-06-06 | Sludge drying and cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321429393.9U CN220550095U (en) | 2023-06-06 | 2023-06-06 | Sludge drying and cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220550095U true CN220550095U (en) | 2024-03-01 |
Family
ID=90003765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321429393.9U Active CN220550095U (en) | 2023-06-06 | 2023-06-06 | Sludge drying and cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220550095U (en) |
-
2023
- 2023-06-06 CN CN202321429393.9U patent/CN220550095U/en active Active
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