CN220877745U - Energy-saving vacuum scraper drying device - Google Patents
Energy-saving vacuum scraper drying device Download PDFInfo
- Publication number
- CN220877745U CN220877745U CN202322823572.7U CN202322823572U CN220877745U CN 220877745 U CN220877745 U CN 220877745U CN 202322823572 U CN202322823572 U CN 202322823572U CN 220877745 U CN220877745 U CN 220877745U
- Authority
- CN
- China
- Prior art keywords
- hot water
- evaporator
- pump
- vacuum
- water tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001035 drying Methods 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000005057 refrigeration Methods 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims description 26
- 239000000463 material Substances 0.000 abstract description 12
- 239000003507 refrigerant Substances 0.000 abstract description 7
- 239000002918 waste heat Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to an energy-saving vacuum scraper drying device. The technical proposal is as follows: the device comprises a hot water tank, an air source heat pump hot water unit, an evaporator, a refrigeration compressor and an expansion valve, wherein the outer wall of one side of a heating jacket is connected to one end of the evaporator through a pipeline and the refrigeration compressor, and the outer wall of the other side of the heating jacket is connected to the other end of the evaporator through a pipeline and the expansion valve; the evaporator and the secondary steam condenser are respectively connected with a hot water tank through pipelines, and the hot water tank is connected with an air source heat pump hot water unit through pipelines. The beneficial effects are that: according to the utility model, the heat pump technology is adopted to heat the materials by recovering the heat of the secondary steam, so that the energy-saving effect is good; meanwhile, the auxiliary supply of waste heat of the air source heat pump water heater is arranged, so that the normal operation of the device is ensured when the secondary steam is insufficient, and the stability is improved; in addition, high-temperature refrigerant steam discharged by the refrigeration compressor directly enters a barrel heating jacket of the scraper machine to heat materials, so that the heat exchange efficiency is improved, and meanwhile, the system is more compact.
Description
Technical Field
The utility model relates to a vacuum scraper dryer, in particular to an energy-saving vacuum scraper dryer.
Background
At present, the industrial vacuum scraper dryer is mainly used for concentrating viscous materials and crystallizing wastewater, and referring to fig. 2, the dryer mainly comprises a stirring shaft, a cylinder body, a power transmission system and the like, heat required for drying is mainly provided by the stirring shaft and a heating jacket, after a heating medium is introduced into the device, the heat indirectly heats the materials through the jacket and the stirring shaft, moisture in wet materials is vaporized, and the vaporized moisture is timely pumped away by a vacuum system; along with the continuous rotation of the stirring shaft, the contact between the material and the heating surface is continuously updated, so that the material is uniformly heated, and a good drying effect is achieved. The heating medium generally adopts steam, heat conduction oil and hot water. However, the prior art has the following problems: the secondary steam evaporated during material concentration or drying is cooled by cooling water, and waste heat resources are not utilized.
Disclosure of utility model
The utility model aims at overcoming the defects in the prior art, and provides an energy-saving vacuum scraper drying device which utilizes a heat pump technology to recycle the waste heat of the discharged secondary steam in the evaporation process and utilizes the high-temperature refrigerant steam discharged by a refrigeration compressor as a heating source, thereby having good energy-saving effect.
The utility model relates to an energy-saving vacuum scraper drying device, which adopts the technical scheme that: the vacuum scraper drying device comprises a vacuum scraper drying main body (1), a heating jacket (2), a feeding pump (3), a discharge hole (4), a secondary steam condenser (5), a condensing water tank (6) and a vacuum pump (7), wherein the heating jacket (2) is arranged on the outer side of the vacuum scraper drying main body (1), the feeding pump (3) and the discharge hole (4) are arranged, the secondary steam condenser (5), the condensing water tank (6) and the vacuum pump (7) are connected to the other side of the vacuum scraper drying main body (1) through pipelines, the vacuum scraper drying main body further comprises a hot water tank (8), an air source heat pump hot water unit (9), an evaporator (10), a refrigeration compressor (11) and an expansion valve (15), one side outer wall of the heating jacket (2) is connected to one end of the evaporator (10) through the pipelines and the refrigeration compressor (11), and the other side outer wall of the vacuum scraper drying main body (1) is connected to the other end of the evaporator (10) through the pipelines and the expansion valve (15). The evaporator (10) and the secondary steam condenser (5) are respectively connected with the hot water tank (8) through pipelines, and the hot water tank (8) is connected to the air source heat pump hot water unit (9) through pipelines.
Preferably, the hot water tank (8) is connected to the secondary steam condenser (5) by means of a pipeline and a first water pump (12).
Preferably, the hot water tank (8) is connected to the evaporator (10) by means of a pipeline and a second water pump (13).
Preferably, the air source heat pump hot water unit (9) is connected to the hot water tank (8) through a pipeline and a third water pump (14).
Preferably, the vacuum scraper blade drying main body (1) comprises a motor (1.1), a stirring shaft (1.2), stirring rake teeth (1.3) and a drying cylinder body (1.4), wherein the stirring shaft (1.2) is arranged in an inner cavity of the drying cylinder body (1.4), the stirring rake teeth (1.3) are uniformly distributed on the outer part of the stirring shaft (1.2), and the motor (1.1) is arranged at one end of the stirring shaft (1.2).
Preferably, the heating jacket (2) is externally provided with a heat-insulating cylinder.
The beneficial effects of the utility model are as follows: according to the utility model, the heat pump technology is adopted to heat the materials by recovering the heat of the secondary steam, so that the energy-saving effect is good; meanwhile, the auxiliary supply of waste heat of the air source heat pump water heater is arranged, so that the normal operation of the device is ensured when the secondary steam is insufficient, and the stability of the device is improved; in addition, the cylinder body of the scraper is used as a condenser of the heat pump unit for heating, so that the heat exchange efficiency is improved, and the system is more compact.
Drawings
FIG. 1 is a schematic view of the structural principles of the present utility model;
FIG. 2 is a schematic diagram of the structural principle of the prior art;
In the upper graph: the vacuum scraper drying device comprises a vacuum scraper drying main body 1, a heating jacket 2, a feeding pump 3, a discharge port 4, a secondary steam condenser 5, a condensing tank 6, a vacuum pump 7, a hot water tank 8, an air source heat pump hot water unit 9, an evaporator 10, a refrigeration compressor 11, a first water pump 12, a second water pump 13, a third water pump 14 and an expansion valve 15, and is characterized in that a motor 1.1, a stirring shaft 1.2, stirring rake teeth 1.3 and a drying cylinder 1.4 are arranged.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Embodiment 1, referring to fig. 1, the energy-saving vacuum scraper drying device comprises a vacuum scraper drying main body 1, a heating jacket 2, a feeding pump 3, a discharge port 4, a secondary steam condenser 5, a condensing tank 6 and a vacuum pump 7, wherein the heating jacket 2 is arranged on the outer side of the vacuum scraper drying main body 1, the feeding pump 3 and the discharge port 4 are arranged, the secondary steam condenser 5, the condensing tank 6 and the vacuum pump 7 are connected on the other side of the vacuum scraper drying main body 1 through pipelines, and the energy-saving vacuum scraper drying device further comprises a hot water tank 8, an air source heat pump water heater unit 9, an evaporator 10, a refrigeration compressor 11 and an expansion valve 15, wherein one side outer wall of the heating jacket 2 is connected to one end of the evaporator 10 through the pipelines and the refrigeration compressor 11, and the other side outer wall is connected to the other end of the evaporator 10 through the pipelines and the expansion valve 15; the evaporator 10 and the secondary steam condenser 5 are respectively connected with a hot water tank 8 through pipelines, and the hot water tank 8 is connected with an air source heat pump hot water unit 9 through a pipeline.
Wherein the above-mentioned hot water tank 8 is connected to the secondary steam condenser 5 by means of a pipeline and a first water pump 12.
The above-mentioned hot water tank 8 is connected to the evaporator 10 by means of a pipeline and a second water pump 13.
The air source heat pump hot water unit 9 described above is connected to the hot water tank 8 through a pipeline and a third water pump 14.
In addition, refrigerant is filled between the refrigeration compressor 11, the heating jacket 2, the expansion valve 15, the evaporator 10, and their connection pipes.
In addition, the vacuum scraper drying main body 1 comprises a motor 1.1, a stirring shaft 1.2, stirring rake teeth 1.3 and a drying cylinder body 1.4, wherein the stirring shaft 1.2 is arranged in the inner cavity of the drying cylinder body 1.4, the stirring rake teeth 1.3 are uniformly distributed outside the stirring shaft 1.2, and one end of the stirring shaft 1.2 is provided with the motor 1.1; and, the heating jacket 2 is externally provided with a heat preservation cylinder body, so that a better heat preservation effect can be achieved.
The utility model is used when:
firstly, feeding a material to be dried into a vacuum scraper dryer main body 1 through a feed pump 3, and stopping feeding when the set position is reached; then, starting operation and vacuumizing through a vacuum pump 7, and after the set vacuum degree is reached, operating a motor 1.1 of a vacuum scraper dryer main body 1, continuously scraping and conveying materials to the inner wall surface of the dryer through a stirring shaft 1.2 and stirring rake teeth 1.3 to enable the materials to be heated uniformly;
second, when the system just begins to operate, no secondary vapor has evaporated. The air source heat pump hot water unit 9 operates to heat hot water in the hot water tank 8; when the third water pump 14 is operated, the second water pump 13 is operated to pump the hot water in the hot water tank 8 into the evaporator 10 and then return to the hot water tank 8;
When the water temperature of the hot water tank 8 reaches the set temperature, the refrigerating compressor 11 operates, and high-temperature and high-pressure refrigerant gas is discharged into the heating jacket 2 of the vacuum scraper dryer to heat the wall surface of the dryer; the refrigerant vapor is heated and condensed into liquid, enters the evaporator 10 to absorb heat through the expansion valve 15 to become gas, is absorbed by the refrigeration compressor 11 and compressed, and enters the heating jacket 2 of the vacuum scraper dryer to be heated, so that a complete cycle is formed; when secondary steam is evaporated in the vacuum scraper dryer main body 1, the first water pump 12 operates to pump the hot water in the hot water tank 8 into the secondary steam condenser 5, and the hot water condenses the secondary steam and is heated by the hot water; the secondary steam condensate water enters a condensing tank 6;
Wherein, the heating of the hot water tank 8 is preferably selected as secondary steam, and the air source heat pump hot water unit 9 is used as an auxiliary; after the water temperature reaches the set value, the air source heat pump water heater unit 9 stops running, and after the water temperature is lower than the set value, the air source heat pump water heater unit is started to run.
The utility model utilizes the heat pump technology to recycle the waste heat of the secondary steam discharged in the evaporation process, and the high-temperature refrigerant steam discharged by the refrigeration compressor is used as a heating source; meanwhile, in order to solve the problem that waste heat resources are insufficient due to the fact that the moisture content of secondary steam along with materials is smaller and smaller in the evaporation process, an air source heat pump unit is configured to supplement a low-temperature heat source, and the requirement of stable heat supply of the device is met.
Embodiment 2, the utility model provides an energy-saving vacuum scraper drying device, which comprises a vacuum scraper drying main body 1, a heating jacket 2, a feeding pump 3, a discharge port 4, a secondary steam condenser 5, a condensing tank 6 and a vacuum pump 7, wherein the heating jacket 2 is arranged on the outer side of the vacuum scraper drying main body 1, the feeding pump 3 and the discharge port 4 are arranged, the secondary steam condenser 5, the condensing tank 6 and the vacuum pump 7 are connected on the other side of the vacuum scraper drying main body 1 through pipelines, the energy-saving vacuum scraper drying device further comprises a hot water tank 8, an air source heat pump hot water unit 9, an evaporator 10, a refrigeration compressor 11 and an expansion valve 15, one side outer wall of the heating jacket 2 is connected to one end of the evaporator 10 through the pipelines and the refrigeration compressor 11, and the other side outer wall is connected to the other end of the evaporator 10 through the pipelines and the expansion valve 15; the evaporator 10 and the secondary steam condenser 5 are respectively connected with a hot water tank 8 through pipelines, and the hot water tank 8 is connected with an air source heat pump hot water unit 9 through a pipeline.
The difference from example 1 is that:
The vacuum scraper drying main body 1 can also adopt other structures mentioned in the prior art, and a hot water tank 8, an air source heat pump hot water unit 9, an evaporator 10, a refrigeration compressor 11 and an expansion valve 15 are additionally arranged in an improved manner, so that the waste heat of the discharged secondary steam in the evaporation process is recovered by utilizing the heat pump technology, and the high-temperature refrigerant steam discharged by the compressor of the water source heat pump unit is utilized as a heating source.
The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.
Claims (6)
1. The utility model provides an energy-saving vacuum scraper blade drying device, includes vacuum scraper blade drying main part (1), heating jacket (2), charge pump (3), discharge gate (4), secondary steam condenser (5), condensate water jar (6), vacuum pump (7), the outside of vacuum scraper blade drying main part (1) is equipped with heating jacket (2) to install charge pump (3) and discharge gate (4), pass through pipe connection secondary steam condenser (5), condensate water jar (6) and vacuum pump (7) at the opposite side of vacuum scraper blade drying main part (1), characterized by: the air source heat pump water heater further comprises a hot water tank (8), an air source heat pump water heater unit (9), an evaporator (10), a refrigeration compressor (11) and an expansion valve (15), wherein the outer wall of one side of the heating jacket (2) is connected to one end of the evaporator (10) through a pipeline and the refrigeration compressor (11), and the outer wall of the other side of the heating jacket is connected to the other end of the evaporator (10) through a pipeline and the expansion valve (15); the evaporator (10) and the secondary steam condenser (5) are respectively connected with the hot water tank (8) through pipelines, and the hot water tank (8) is connected to the air source heat pump hot water unit (9) through pipelines.
2. An energy-efficient vacuum squeegee dryer according to claim 1 wherein: the hot water tank (8) is connected to the secondary steam condenser (5) through a pipeline and a first water pump (12).
3. An energy-efficient vacuum squeegee dryer according to claim 2 wherein: the hot water tank (8) is connected to the evaporator (10) through a pipeline and a second water pump (13).
4. An energy-efficient vacuum squeegee dryer according to claim 3 wherein: the air source heat pump hot water unit (9) is connected to the hot water tank (8) through a pipeline and a third water pump (14).
5. An energy-efficient vacuum squeegee dryer according to claim 1 wherein: the vacuum scraper drying main body (1) comprises a motor (1.1), a stirring shaft (1.2), stirring rake teeth (1.3) and a drying cylinder body (1.4), wherein the stirring shaft (1.2) is arranged in an inner cavity of the drying cylinder body (1.4), the stirring rake teeth (1.3) are uniformly distributed outside the stirring shaft (1.2), and one end of the stirring shaft (1.2) is provided with the motor (1.1).
6. The energy-saving vacuum squeegee dryer of claim 5 wherein: the heating jacket (2) is externally provided with a heat-insulating cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322823572.7U CN220877745U (en) | 2023-10-20 | 2023-10-20 | Energy-saving vacuum scraper drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322823572.7U CN220877745U (en) | 2023-10-20 | 2023-10-20 | Energy-saving vacuum scraper drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220877745U true CN220877745U (en) | 2024-05-03 |
Family
ID=90878270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322823572.7U Active CN220877745U (en) | 2023-10-20 | 2023-10-20 | Energy-saving vacuum scraper drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220877745U (en) |
-
2023
- 2023-10-20 CN CN202322823572.7U patent/CN220877745U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101363682A (en) | Energy-conserving drying system | |
| CN111039536A (en) | Energy-efficient sludge heat drying dewatering device | |
| KR101901940B1 (en) | Sludge drying device reusing vapor heat | |
| CN213238304U (en) | Heat pump heat recovery driving vacuum horizontal thin layer drying system | |
| CN111099810A (en) | Indirect sludge drying device and method for recycling waste steam energy by heat pump | |
| CN201297829Y (en) | Energy-saving drying system | |
| CN114100165A (en) | Multi-energy cascade utilization heat pump low-temperature evaporation concentration system capable of accurately controlling temperature | |
| CN201949793U (en) | Absorption-type freeze drying machine driven by waste heat of air compressor | |
| CN102620550B (en) | System and method for recovering and utilizing waste heat of freeze drier | |
| CN220877745U (en) | Energy-saving vacuum scraper drying device | |
| US11473824B2 (en) | Heat-source-tower heat pump system combined with ice maker | |
| CN106524717A (en) | Heat pump type vermicelli drying equipment and method for vermicelli drying | |
| CN116116023A (en) | Evaporation concentration system | |
| CN104261648A (en) | Activated sludge sterilizing and steam mechanical compression drying method and system | |
| CN105859093B (en) | A kind of low-power consumption sludge method of vacuum freeze drying that energy regenerating utilizes | |
| CN213454546U (en) | Multi-layer cold-hot shared vacuum freeze-drying system | |
| CN211039033U (en) | Drying device for treating compressed air by utilizing waste heat of screw air compressor | |
| CN209623317U (en) | A kind of heat-pump-type pipe bundle drier | |
| CN207622559U (en) | Self-evaporating type steam condenser | |
| CN219526467U (en) | Integrated sludge drier | |
| CN105435480A (en) | Vacuum push-pull alcohol concentration system | |
| CN116059664B (en) | evaporation concentration system | |
| CN111870975A (en) | Solution concentration device for heat source tower system | |
| CN220321657U (en) | Geothermal heat pump system | |
| CN210904992U (en) | Heat pump evaporation concentration device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |