CN110563304A - Movable heat pump sludge drying system - Google Patents
Movable heat pump sludge drying system Download PDFInfo
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- CN110563304A CN110563304A CN201910779342.0A CN201910779342A CN110563304A CN 110563304 A CN110563304 A CN 110563304A CN 201910779342 A CN201910779342 A CN 201910779342A CN 110563304 A CN110563304 A CN 110563304A
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- sludge
- drying
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- belt conveyor
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- 238000001035 drying Methods 0.000 title claims abstract description 190
- 239000010802 sludge Substances 0.000 title claims abstract description 183
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000005189 flocculation Methods 0.000 claims description 9
- 230000016615 flocculation Effects 0.000 claims description 9
- 238000010248 power generation Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000010791 quenching Methods 0.000 claims 3
- 230000000171 quenching effect Effects 0.000 claims 3
- 238000005496 tempering Methods 0.000 claims 3
- 239000010865 sewage Substances 0.000 description 8
- 230000003750 conditioning effect Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002699 waste material Substances 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
- C02F11/12—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
- C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
-
- 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
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
- C02F2303/10—Energy recovery
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
A movable heat pump sludge drying system comprises a vehicle-mounted platform, wherein a sealed box body is arranged on the vehicle-mounted platform, a sludge dewatering area and a heat pump drying area are arranged in the sealed box body, and a sludge pump and a screw-stacking dehydrator are arranged in the sludge dewatering area; a sludge channel is arranged between the sludge dewatering area and the heat pump drying area, and a sludge belt conveyor is arranged on the sludge channel; the heat pump drying area is provided with a sludge drying module, and the sludge drying module comprises a first drying channel, a second drying channel, a third drying channel, an expansion valve, an evaporator, a compressor, a first condenser, a second condenser and a third condenser; the sludge dewatering area is provided with a first belt conveyor at the air outlet side of the first drying channel, a second belt conveyor at the air outlet side of the second drying channel, a third belt conveyor at the air outlet side of the third drying channel, and a discharge hole is arranged below the third belt conveyor in the heat pump drying area. The invention realizes the rapid drying of the sludge and can meet the treatment requirements of landfill and the like.
Description
Technical Field
The invention relates to the technical field of drying equipment, in particular to a movable heat pump sludge drying system.
Background
Along with the development of social economy and cities in China, the production amount of urban sewage and river sludge is continuously increased. Due to geographical restriction, the sludge and sewage can only be treated by a fixed sewage treatment plant at present, which results in high sludge and sewage treatment cost, particularly, the sludge treatment can only be excavated from rivers, urban sewage systems and other places in the whole process of sludge treatment and then transported to specific sludge and sewage treatment plants, so that the long-distance transportation cost exists, and the sludge after treatment sometimes needs to be transported to other places for recycling, which greatly increases the cost of drying the sludge.
in addition, most of the existing sludge drying equipment has high operation cost and low drying quality. Because the heat pump has better efficiency and effect in the aspect of drying and dehumidification, the prior art increasingly adopts the heat pump to dry the sludge. However, the existing heat pump drying equipment can only realize single-stage drying, and after the single-stage drying, a drying medium still has high temperature, so that heat energy waste is caused, and the drying energy efficiency is low and the cost is high.
According to the requirements of related documents, when a sewage treatment plant transports sludge to the factory for storage (i.e. no treatment), the sludge needs to be dehydrated to the water content of below 50%, and most of the existing sludge drying equipment can not meet the requirements. Therefore, in order to accelerate the cleaning work of rivers and urban sewage systems, the technical problems of high transportation cost, high drying cost, water content limitation and the like in the existing urban sludge drying process must be solved.
Disclosure of Invention
the invention aims to overcome the defects of the prior art, provides a mobile heat pump sludge drying system, can effectively solve the problems of high transportation cost, high drying cost and the like of the existing urban sludge drying, and can quickly dry sludge so that the dried sludge meets the treatment requirements of landfill and the like.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
A movable heat pump sludge drying system comprises a vehicle-mounted platform, wherein a sealing box body is arranged on the vehicle-mounted platform, a sludge dewatering area and a heat pump drying area which are separated by a partition plate are arranged in the sealing box body, a sludge pump and a screw-stacking dehydrator are arranged in the sludge dewatering area, the inlet end of the sludge pump is connected with a sludge suction pipe, the outlet end of the sludge pump is connected with a sludge conveying pipe, and the sludge pump conveys sludge to the feed end of the screw-stacking dehydrator through the sludge conveying pipe; a sludge channel is arranged between the sludge dewatering area and the heat pump drying area, a sludge belt conveyor is arranged on the sludge channel, and the discharge end of the spiral-overlapping dewatering machine conveys sludge to the feed end of the sludge belt conveyor; the heat pump drying area is provided with a sludge drying module, the sludge drying module comprises a first drying channel, a second drying channel, a third drying channel, an expansion valve, an evaporator, a compressor, a first condenser, a second condenser and a third condenser, the expansion valve, the evaporator, the compressor and the first condenser are sequentially connected through a circulating pipeline to form a heat pump loop, the second condenser and the third condenser are connected between the expansion valve and the first condenser in parallel, the sludge channel, the first drying channel, the second drying channel and the third drying channel are sequentially arranged from top to bottom, the first condenser is arranged in the first drying channel, the second condenser is arranged in the second drying channel, the third condenser is arranged in the third drying channel, and fans are respectively arranged on the air inlet sides of the first drying channel, the second drying channel and the third drying channel; the sludge dewatering area is provided with a first belt conveyor at the air outlet side of the first drying channel, a second belt conveyor at the air outlet side of the second drying channel, a third belt conveyor at the air outlet side of the third drying channel, a discharge port is arranged below the third belt conveyor in the heat pump drying area, sludge is input to the first belt conveyor from the discharge end of the sludge belt conveyor, the sludge drops on the second belt conveyor after being conveyed by the first belt conveyor, the sludge drops on the third belt conveyor after being conveyed by the second belt conveyor, and the sludge is conveyed to the discharge port by the third belt conveyor.
when the device is used, the mixture of sludge and water is directly pumped to the screw-overlapping dehydrator by the sludge pump, the screw-overlapping dehydrator is used for preliminarily dehydrating the mixture of the sludge and the water and extruding the sludge into mud cakes, then the mud cakes are conveyed to the sludge belt conveyor, the mud cakes are conveyed to the first belt conveyor by the sludge belt conveyor, the mud cakes are firstly dried by the hot air output by the first drying channel, then the mud cakes are conveyed by the first belt conveyor and then fall on the second belt conveyor, the mud cakes are secondly dried by the hot air output by the second drying channel, then the mud cakes are conveyed by the second belt conveyor and fall on the third belt conveyor, the mud cakes are thirdly dried by the hot air output by the third drying channel, and finally the mud cakes are conveyed to the discharge port by the third belt conveyor and are output to the outside of the vehicle-mounted platform, in conclusion, the sludge is dried for three times in the heat pump drying area, and the sludge is dried for three times in the heat pump drying area to become sludge with lower water content, so that the sludge is dried quickly, and the treatment requirements of landfill and the like can be met; the zoned drying mode is adopted, the drying heat energy generated by the condenser can be used for multiple times, the utilization efficiency of the drying heat energy is improved, the zoned drying mode is quicker than the high-temperature drying mode adopting one condenser, and the drying efficiency can be effectively improved and the drying cost can be reduced by adopting the multi-time drying mode; in addition, the system can be conveyed to places needing dredging, such as urban drainage ditches and the like, by the vehicle-mounted platform, the sludge does not need to be conveyed to a specific sludge treatment plant, and the transportation cost is greatly reduced.
As an improvement of the invention, the spiral overlapping dehydrator comprises a dehydrator main body, a flocculation conditioning tank and a water collecting disc, wherein the flocculation conditioning tank is connected with the inlet end of the dehydrator main body, a sludge pump conveys sludge to the flocculation conditioning tank through a sludge conveying pipe, the outlet end of the dehydrator main body conveys sludge to the feed end of a sludge belt conveyor, and the water collecting disc is used for containing water filtered by the dehydrator main body.
furthermore, a water outlet is arranged on the sludge dewatering area and communicated with the water collecting tray through a water discharging pipe.
as an improvement of the invention, the evaporator is arranged below the third drying channel, the heat pump drying area is provided with a backflow channel above the sludge belt conveyor, a backflow fan is arranged in the backflow channel, and the backflow fan reflows air at the air outlet sides of the first drying channel, the second drying channel and the third drying channel to the air inlet sides of the first drying channel, the second drying channel and the third drying channel.
As an improvement of the invention, an air supplementing opening is arranged at the top of the heat pump drying area on the air outlet side of the backflow channel, and an air inlet fan is arranged at the air supplementing opening.
As a modification of the invention, a gas-liquid separator is arranged between the evaporator and the compressor.
As an improvement of the invention, a material guide plate is arranged between the third belt conveyor and the discharge hole in the heat pump drying area.
As an improvement of the invention, the vehicle-mounted platform is provided with a power generation device, the compressor is a diesel engine type compressor, and the power generation device is used for providing electric energy for the screw-stacking dehydrator.
Compared with the prior art, the technical scheme of the invention has the following innovation points and beneficial effects:
The invention can dry the sludge for five times in one process, dehydrate and dry the sludge by the spiral-overlapping dehydrator and preheat and dry the sludge by the backflow channel, and finally dry the sludge for three times in the heat pump drying area to form the sludge with lower water content, thereby realizing the rapid drying of the sludge and meeting the treatment requirements of landfill and the like;
The zoned drying mode is adopted, the drying heat energy generated by the condenser can be used for multiple times, the utilization efficiency of the drying heat energy is improved, the zoned drying mode is quicker than the high-temperature drying mode adopting one condenser, and the drying efficiency can be effectively improved and the drying cost can be reduced by adopting the multi-time drying mode;
In addition, the system can be conveyed to places needing dredging, such as urban drainage ditches and the like, by the vehicle-mounted platform, and the sludge does not need to be conveyed to a specific sludge treatment plant, so that the transportation cost is greatly reduced;
In addition, in order to solve the problem of sludge drying at a distance, the sludge drying device is provided with the power generation device, and the adopted compressor is a diesel engine type compressor, so that the problem of insufficient power supply at a distance can be solved.
Drawings
Fig. 1 is a schematic diagram of a mobile heat pump sludge drying system of the present invention.
Detailed Description
The invention is further illustrated by the following figures and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant aspects of the present invention are shown in the drawings.
Examples
Referring to fig. 1, a mobile heat pump sludge drying system includes a vehicle-mounted platform 10, a sealed box 20 is provided on the vehicle-mounted platform 10, a sludge dewatering area and a heat pump drying area separated by a partition plate 70 are provided in the sealed box 20, a sludge pump 30 and a screw-stacking dehydrator 40 are provided in the sludge dewatering area, an inlet end of the sludge pump 30 is connected with a sludge suction pipe 31, an outlet end is connected with a sludge delivery pipe 32, and the sludge pump 30 delivers sludge to a feed end of the screw-stacking dehydrator 40 through the sludge delivery pipe 32;
a sludge channel is arranged between the sludge dewatering area and the heat pump drying area, a sludge belt conveyor 50 is arranged on the sludge channel, and the discharge end of the spiral-overlapping dewatering machine 40 conveys sludge to the feed end of the sludge belt conveyor 50;
The heat pump drying area is provided with a sludge drying module 60, the sludge drying module 60 comprises a first drying channel, a second drying channel, a third drying channel, an expansion valve 61, an evaporator 62, a compressor 63, a first condenser 64, a second condenser 65 and a third condenser 66, the expansion valve 61, the evaporator 62, the compressor 63 and the first condenser 64 are sequentially connected through a circulating pipeline to form a heat pump loop, the second condenser 65 and the third condenser 66 are connected in parallel between the expansion valve 61 and the first condenser 64, the sludge channel, the first drying channel, the second drying channel and the third drying channel are sequentially arranged from top to bottom, the first condenser 64 is arranged in the first drying channel, the second condenser 65 is arranged in the second drying channel, the third condenser 66 is arranged in the third drying channel, and fans 67 are respectively arranged on the air inlet sides of the first drying channel, the second drying channel and the third drying channel;
The sludge dewatering area is provided with a first belt conveyor 641 on the air outlet side of the first drying channel, the second belt conveyor 651 on the air outlet side of the second drying channel, the third belt conveyor 661 on the air outlet side of the third drying channel, the discharge port 22 is arranged below the third belt conveyor 661 in the heat pump drying area, sludge is input to the first belt conveyor 641 from the discharge end of the sludge belt conveyor 50, the sludge drops on the second belt conveyor 651 after being conveyed by the first belt conveyor 641, the sludge drops on the third belt conveyor 661 after being conveyed by the second belt conveyor 651, and the sludge is conveyed to the discharge port 22 by the third belt conveyor 661.
When the device is used, the mixture of sludge and water is directly pumped to the screw-overlapping dehydrator by the sludge pump, the screw-overlapping dehydrator is used for preliminarily dehydrating the mixture of the sludge and the water and extruding the sludge into mud cakes, then the mud cakes are conveyed to the sludge belt conveyor, the mud cakes are conveyed to the first belt conveyor by the sludge belt conveyor, the mud cakes are firstly dried by the hot air output by the first drying channel, then the mud cakes are conveyed by the first belt conveyor and then fall on the second belt conveyor, the mud cakes are secondly dried by the hot air output by the second drying channel, then the mud cakes are conveyed by the second belt conveyor and fall on the third belt conveyor, the mud cakes are thirdly dried by the hot air output by the third drying channel, and finally the mud cakes are conveyed to the discharge port by the third belt conveyor and are output to the outside of the vehicle-mounted platform, in conclusion, the sludge is dried for three times in the heat pump drying area, and the sludge is dried for three times in the heat pump drying area to become sludge with lower water content, so that the sludge is dried quickly, and the treatment requirements of landfill and the like can be met; the zoned drying mode is adopted, the drying heat energy generated by the condenser can be used for multiple times, the utilization efficiency of the drying heat energy is improved, the zoned drying mode is quicker than the high-temperature drying mode adopting one condenser, and the drying efficiency can be effectively improved and the drying cost can be reduced by adopting the multi-time drying mode; in addition, the system can be conveyed to places needing dredging, such as urban drainage ditches and the like, by the vehicle-mounted platform, the sludge does not need to be conveyed to a specific sludge treatment plant, and the transportation cost is greatly reduced.
In this embodiment, specifically, the spiral-stacked dewaterer 40 includes a dewaterer main body 42, a flocculation conditioning tank 41 and a water collecting tray 43, the flocculation conditioning tank 41 is connected with an inlet end of the dewaterer main body 42, the sludge pump 30 conveys sludge to the flocculation conditioning tank 41 through a sludge conveying pipe 32, an outlet end of the dewaterer main body 42 conveys sludge to a feeding end of a sludge belt conveyor 50, and the water collecting tray 43 is used for containing water filtered by the dewaterer main body 42. On the basis, the sludge dewatering area is provided with a water outlet 21, and the water outlet 21 is communicated with a water collecting tray 43 through a water outlet pipe 44.
In this embodiment, the evaporator 42 is disposed below the third drying channel, the heat pump drying area is provided with the return channel 24 above the sludge belt conveyor 50, the return fan 25 is disposed in the return channel 24, and the return fan 25 returns air at the air outlet side of the first drying channel, the air outlet side of the second drying channel, and the air outlet side of the third drying channel to the air inlet side of the first drying channel, the air inlet side of the second drying channel, and the air inlet side of the third drying channel. In the heat pump drying area, the temperatures of air flows at the air outlet sides of different drying channels are different, the temperature of the air flow at the air outlet side of the first drying channel is higher than that of the air flow at the air outlet sides of the second drying channel and the third drying channel, according to the principle that high-temperature air flow rises and low-temperature air flow falls, a backflow channel is arranged above the sludge belt conveyor, the high-temperature air flow can flow back to the sludge belt conveyor, the high-temperature air flow can preheat sludge on the sludge belt conveyor, and the drying efficiency can be improved. The invention can dry the sludge for five times in one process, dehydrate and dry the sludge by the spiral-overlapping dehydrator, preheat and dry the sludge by the backflow channel, and finally dry the sludge for three times in the heat pump drying area to obtain the sludge with lower water content, thereby realizing the rapid drying of the sludge and meeting the treatment requirements of landfill and the like.
In this embodiment, an air supply opening is provided at the top of the heat pump drying area on the air outlet side of the return channel 24, and an air intake fan 26 is provided at the air supply opening. Meanwhile, the heat pump drying area is provided with the discharge hole, so that airflow leakage of the heat pump drying area can be caused by the discharge hole, and an air supplementing hole is formed in the top of the heat pump drying area to supplement airflow in the heat pump drying area.
In the present embodiment, a gas-liquid separator 68 is provided between the evaporator 62 and the compressor 63. The gas-liquid separator separates gas from liquid, and prevents the compressor from liquid impact explosion.
In this embodiment, the heat pump drying zone is provided with a guide plate 23 between the third belt conveyor 661 and the discharge port 22. The stock guide can guide mud from third belt conveyor to discharge gate, is favorable to mud landing to discharge gate fast.
In this embodiment, the vehicle-mounted platform 10 is provided with a power generation device 80, the compressor 63 is a diesel engine type compressor, and the power generation device 80 is used for providing electric energy for the screw-stacking dehydrator. In addition, in order to solve the problem of sludge drying at a distance, the sludge drying device is provided with the power generation device, and the adopted compressor is a diesel engine type compressor, so that the problem of insufficient power supply at a distance can be solved, and the working efficiency of the sludge drying device can be improved.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (8)
1. the utility model provides a portable heat pump sludge drying system which characterized in that: the device comprises a vehicle-mounted platform, wherein a sealing box body is arranged on the vehicle-mounted platform, a sludge dewatering area and a heat pump drying area which are separated by a partition plate are arranged in the sealing box body, a sludge pump and a spiral shell stacking dehydrator are arranged in the sludge dewatering area, the inlet end of the sludge pump is connected with a sludge suction pipe, the outlet end of the sludge pump is connected with a sludge conveying pipe, and the sludge pump conveys sludge to the feed end of the spiral shell stacking dehydrator through the sludge conveying pipe; a sludge channel is arranged between the sludge dewatering area and the heat pump drying area, a sludge belt conveyor is arranged on the sludge channel, and the discharge end of the spiral-overlapping dewatering machine conveys sludge to the feed end of the sludge belt conveyor; the heat pump drying area is provided with a sludge drying module, the sludge drying module comprises a first drying channel, a second drying channel, a third drying channel, an expansion valve, an evaporator, a compressor, a first condenser, a second condenser and a third condenser, the expansion valve, the evaporator, the compressor and the first condenser are sequentially connected through a circulating pipeline to form a heat pump loop, the second condenser and the third condenser are connected between the expansion valve and the first condenser in parallel, the sludge channel, the first drying channel, the second drying channel and the third drying channel are sequentially arranged from top to bottom, the first condenser is arranged in the first drying channel, the second condenser is arranged in the second drying channel, the third condenser is arranged in the third drying channel, and fans are respectively arranged on the air inlet sides of the first drying channel, the second drying channel and the third drying channel; the sludge dewatering area is provided with a first belt conveyor at the air outlet side of the first drying channel, a second belt conveyor at the air outlet side of the second drying channel, a third belt conveyor at the air outlet side of the third drying channel, a discharge port is arranged below the third belt conveyor in the heat pump drying area, sludge is input to the first belt conveyor from the discharge end of the sludge belt conveyor, the sludge drops on the second belt conveyor after being conveyed by the first belt conveyor, the sludge drops on the third belt conveyor after being conveyed by the second belt conveyor, and the sludge is conveyed to the discharge port by the third belt conveyor.
2. The mobile heat pump sludge drying system of claim 1, wherein: fold spiral shell hydroextractor and include hydroextractor main part, flocculation quenching and tempering groove and water-collecting tray, flocculation quenching and tempering groove is connected with hydroextractor main part entry end, and the sludge pump passes through the sludge conveying pipe and carries mud to flocculation quenching and tempering groove, and hydroextractor main part exit end carries mud to the feed end of mud belt conveyor, and the water-collecting tray is used for the water that splendid attire hydroextractor main part filtered out.
3. The mobile heat pump sludge drying system of claim 2, wherein: and a water outlet is arranged on the sludge dewatering area and is communicated with the water collecting tray through a water drain pipe.
4. The mobile heat pump sludge drying system of claim 1, wherein: the evaporator is arranged below the third drying channel, the heat pump drying area is provided with a backflow channel above the sludge belt conveyor, a backflow fan is arranged in the backflow channel, and air on the air outlet side of the first drying channel, the air outlet side of the second drying channel and the air outlet side of the third drying channel flows back to the air inlet side of the first drying channel, the air inlet side of the second drying channel and the air inlet side of the third drying channel.
5. The mobile heat pump sludge drying system of claim 4, wherein: an air supplementing opening is arranged at the top of the heat pump drying area on the air outlet side of the backflow channel, and an air inlet fan is arranged at the air supplementing opening.
6. The mobile heat pump sludge drying system of claim 1, wherein: and a gas-liquid separator is arranged between the evaporator and the compressor.
7. The mobile heat pump sludge drying system of claim 1, wherein: and a material guide plate is arranged between the third belt conveyor and the discharge hole in the heat pump drying area.
8. The mobile heat pump sludge drying system of claim 1, wherein: and the vehicle-mounted platform is provided with a power generation device, the compressor is a diesel engine type compressor, and the power generation device is used for providing electric energy for the screw-stacking dehydrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910779342.0A CN110563304A (en) | 2019-08-22 | 2019-08-22 | Movable heat pump sludge drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910779342.0A CN110563304A (en) | 2019-08-22 | 2019-08-22 | Movable heat pump sludge drying system |
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| Publication Number | Publication Date |
|---|---|
| CN110563304A true CN110563304A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910779342.0A Pending CN110563304A (en) | 2019-08-22 | 2019-08-22 | Movable heat pump sludge drying system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517723A (en) * | 2016-11-25 | 2017-03-22 | 上海立泉环境科技有限公司 | Novel sludge drying system |
| CN109485222A (en) * | 2018-10-26 | 2019-03-19 | 广东工业大学 | A kind of pump type heat divides warm area drying system |
| CN109574460A (en) * | 2018-12-03 | 2019-04-05 | 智造起源科技有限公司 | A kind of Vehicular mud drying device |
| CN210885767U (en) * | 2019-08-22 | 2020-06-30 | 广东工业大学 | Movable heat pump sludge drying system |
-
2019
- 2019-08-22 CN CN201910779342.0A patent/CN110563304A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517723A (en) * | 2016-11-25 | 2017-03-22 | 上海立泉环境科技有限公司 | Novel sludge drying system |
| CN109485222A (en) * | 2018-10-26 | 2019-03-19 | 广东工业大学 | A kind of pump type heat divides warm area drying system |
| CN109574460A (en) * | 2018-12-03 | 2019-04-05 | 智造起源科技有限公司 | A kind of Vehicular mud drying device |
| CN210885767U (en) * | 2019-08-22 | 2020-06-30 | 广东工业大学 | Movable heat pump sludge drying system |
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