CN112707624A - Heat pump low temperature sludge drying system - Google Patents
Heat pump low temperature sludge drying system Download PDFInfo
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- CN112707624A CN112707624A CN202011442804.9A CN202011442804A CN112707624A CN 112707624 A CN112707624 A CN 112707624A CN 202011442804 A CN202011442804 A CN 202011442804A CN 112707624 A CN112707624 A CN 112707624A
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- heat pump
- sludge
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- belt
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a heat pump low-temperature sludge drying system which comprises a heat pump unit, a transmission structure and a drying pipeline, wherein the heat pump unit comprises an evaporator, a compressor and a condenser, the transmission structure comprises a driving motor, a first transmission belt and a second transmission belt, the outsides of the first transmission belt and the second transmission belt are of a closed box structure, a sludge blanking machine is arranged on one side above the first transmission belt, a material receiving box is arranged below one side of the second transmission belt, a humidity sensor is arranged in the material receiving box, the humidity sensor is connected with an alarm device, and an electromagnetic valve is arranged at the bottom of the material receiving box. When the sludge drying device is used, the efficiency of moisture removal and drying in the sludge conveying process can be improved, the dried sludge can be monitored, the phenomenon that the sludge is not dried completely is avoided, the drying qualification rate of the sludge is ensured, and the sludge drying device is suitable for popularization and use.
Description
Technical Field
The invention relates to the technical field of sludge drying, in particular to a heat pump low-temperature sludge drying system.
Background
Heat pump technology is a new energy technology that has received much attention worldwide in recent years. The well-known "pump" is a mechanical device that can increase the potential energy, such as a water pump that mainly pumps water from a low level to a high level. The heat pump is a device which can obtain low-level heat energy from air, water or soil in the nature and provide high-level heat energy which can be used by people through electric energy acting.
At present, in the application process of drying sludge by utilizing a heat pump technology, the operation processes of most sludge drying structures mainly comprise the following processes: the transmission structure transmits to the heat pump unit to perform dehumidification and heat pump unit hot air drying, etc., so that in the above process, the following disadvantages are liable to occur:
1. the sludge dehumidifying and drying structure is simple, and the dehumidifying and drying efficiency is low;
2. the dried sludge is directly collected, so that the dried sludge cannot be well monitored, and the drying qualification rate is low;
from the above, we have designed a heat pump low-temperature sludge drying system to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a heat pump low-temperature sludge drying system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a heat pump low-temperature sludge drying system comprises a heat pump unit, a conveying structure and a drying pipeline, wherein the heat pump unit comprises an evaporator, a compressor and a condenser, the conveying structure comprises a driving motor, a first conveying belt and a second conveying belt, the outside of the first conveying belt and the second conveying belt is of a closed box structure, a sludge blanking machine is arranged on one side above the first conveying belt, a material receiving box is arranged below one side of the second conveying belt, a humidity sensor is arranged inside the material receiving box, the humidity sensor is connected with an alarm device, an electromagnetic valve is arranged at the bottom of the material receiving box, a plurality of turning structures are arranged on the closed box on one side above the first conveying belt and the second conveying belt, the drying pipeline comprises a moisture discharging pipeline and a drying pipeline, the moisture discharging pipeline is arranged above the first conveying belt, the drying pipeline is arranged below the second transmission belt, and an electric heating sheet is installed on the outer side of the drying pipeline.
Preferably, the flipping structure comprises a swing rod and a driving motor, the output end of the driving motor is connected with the swing rod, and one side of the swing rod extends on the first transmission belt or the second transmission belt and is connected with a swing blade.
Preferably, the driving motor, the humidity sensor, the alarm device, the heat pump unit, the electric heating sheet, the transmission structure and the electromagnetic valve are connected with a controller through wires.
Preferably, one side of the drying pipeline is connected with an evaporator inside the heat pump unit in an installing mode, a compressor is connected between the evaporator and the condenser, and the condenser is further connected with a fan coil.
Preferably, the sludge blanking machine and the material receiving box are arranged on the same side of the first conveying belt and the second conveying belt, and the length of one side, far away from the material receiving box, of the second conveying belt is larger than that of one side, far away from the sludge blanking machine, of the first conveying belt.
Preferably, the dehumidifying pipeline is arranged above the first conveying belt and is provided with dehumidifying ports at equal intervals, and the drying pipeline is arranged below the second conveying belt and is provided with drying ports.
Preferably, the bottom and the top of the closed box are both provided with a through groove matched with the moisture discharging port and the drying port.
Compared with the prior art, the invention has the beneficial effects that:
1. in the conveying process of the first conveying belt and the second conveying belt, the driving motor drives the swing blades to swing through the swing rod, sludge in conveying is turned lightly, meanwhile, moisture is absorbed by the moisture discharging port on the first conveying belt, the moisture is evaporated and heated through an evaporator connected to one side of the drying pipeline, then hot air is conveyed to the second conveying belt through the drying port on the drying pipeline, and the sludge on the second conveying belt is dried; the electric heating sheet is arranged on the outer side of the drying pipeline, so that the moisture removal and drying efficiency of the sludge in the conveying process can be improved;
2. the sludge drying device can monitor dried sludge, and when the humidity sensor detects that the sludge in the material receiving box does not reach the drying standard, a signal is transmitted to the controller to control an alarm device (such as an alarm bell) to alarm and remind; when the humidity sensor detects that the sludge in the material receiving box reaches the drying standard, a signal is transmitted to the controller, the controller controls the electromagnetic valve to open the valve, so that the dried sludge meeting the standard falls off, and the sludge meeting the drying standard is collected again.
Drawings
FIG. 1 is a schematic structural diagram of a heat pump low-temperature sludge drying system according to the present invention;
FIG. 2 is a schematic structural diagram of a turning structure of a heat pump low-temperature sludge drying system according to the present invention;
FIG. 3 is a schematic diagram of the operation of a heat pump low-temperature sludge drying system according to the present invention.
In the figure: the system comprises a heat pump unit 1, an evaporator 101, a compressor 102, a condenser 103, a conveying structure 2, a first conveying belt 201, a second conveying belt 202, a dehumidifying pipeline 3, a drying pipeline 4, a turning structure 5, a swinging rod 501, a driving motor 502, a swinging blade 503, a closed box 6, an electromagnetic valve 7, a sludge blanking machine 8, a dehumidifying port 9, a drying port 10 and a material collecting box 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-3, a heat pump low-temperature sludge drying system comprises a heat pump unit 1, a transmission structure 2 and drying pipelines, wherein the heat pump unit comprises an evaporator 101, a compressor 102 and a condenser 103, the transmission structure 2 comprises a driving motor, a first transmission belt 201 and a second transmission belt 202, the outsides of the first transmission belt 201 and the second transmission belt 202 are of a closed box 6 structure, a sludge blanking machine 8 is arranged on one side above the first transmission belt 201, a material receiving box 11 is arranged below one side of the second transmission belt 202, a humidity sensor is arranged inside the material receiving box 11 and connected with an alarm device, an electromagnetic valve 7 is arranged at the bottom of the material receiving box 11, a plurality of turning structures 5 are arranged on the closed box 6 on one side above the first transmission belt 201 and the second transmission belt 202, the drying pipelines comprise a moisture discharging pipeline 3 and a drying pipeline 4, the moisture discharging pipeline 3 is arranged above the first transmission belt 201, the drying pipeline 4 is arranged below the second transmission belt 202, and an electric heating sheet is arranged on the outer side of the drying pipeline 4;
in this embodiment, referring to fig. 2, the flipping structure 5 includes a swing lever 501 and a driving motor 502, an output end of the driving motor 502 is connected with the swing lever 501, and one side of the swing lever 501 extends on the first conveyor belt 201 or the second conveyor belt 202 and is connected with a swing blade 503; wires are connected between the driving motor 502, the humidity sensor, the alarm device, the heat pump unit, the electric heating sheet, the transmission structure 2 and the electromagnetic valve 7 and the controller; the driving motor 502 is a swing motor, the controller can control the swing motor to work in the sludge drying process, the swing motor drives the swing rod to swing slightly and drives the swing blade 503 to swing to turn over the sludge conveyed by the first conveying belt 201 or the second conveying belt 202, and meanwhile, an electric heating sheet is further mounted on the outer side of the drying pipeline 4, so that the moisture removal and drying efficiency of the sludge in the conveying process can be improved;
more specifically, one side of the drying pipeline is connected with an evaporator 101 in the heat pump unit 1, a compressor 102 is connected between the evaporator 101 and a condenser 103, and the condenser 103 is also connected with a fan coil; the heating system structure is convenient to form, and a drying pipeline on one side of the evaporator 101 is heated;
in fig. 1, the sludge blanking machine 8 and the material receiving box 11 are arranged on the same side of the first conveyor belt 201 and the second conveyor belt 202, and the length of the second conveyor belt 202 far away from the material receiving box 11 is greater than the length of the first conveyor belt 201 far away from the sludge blanking machine 8; in the blanking process, the sludge on the first conveying belt 201 is driven to drop on the second conveying belt 202;
more specifically, in fig. 1, the dehumidifying pipes 3 are provided with dehumidifying ports 9 at equal intervals above the first conveyor belt 201, and the drying pipes 4 are provided with drying ports 10 below the second conveyor belt 202; through grooves matched with the moisture discharging port 9 and the drying port 10 are formed in the bottom and the top of the closed box 6, so that the moisture discharging port 9 and the drying port 10 can extend to the inner side of the closed box 6 through the through grooves, and moisture discharging and drying are performed on the conveyed sludge;
the working principle is as follows: when the sludge drying device is used, firstly, the sludge blanking machine is enabled to convey wet sludge to the first conveying belt 201, the controller is used for controlling the transmission structure 2, the driving motor 502, the humidity sensor, the heat pump unit and the electric heating sheet to work simultaneously, the first conveying belt 201 is enabled to convey sludge to fall on the second conveying belt 202, the first conveying belt 201 and the second conveying belt 202 are enabled to convey sludge, in the conveying process, the driving motor 502 drives the swinging blades 503 to swing through the swinging rods 501, the conveyed sludge is turned lightly, meanwhile, the moisture discharging port 9 absorbs moisture from the excess sludge on the first conveying belt 201, the moisture is evaporated and heated through the evaporator connected to one side of the drying pipeline, then the hot air is conveyed to the second conveying belt 202 through the drying port 10 on the drying pipeline 4, and the sludge on the second conveying belt 202 is dried; it should be noted that, the electric heating sheet is also installed on the outer side of the drying pipeline 4, which can accelerate the efficiency of moisture removal and drying during the sludge conveying process;
more specifically, the conveying direction of the first conveying belt 201 is opposite to the conveying direction of the second conveying belt 202, for more clear representation, the conveying directions of the first conveying belt 201 and the second conveying belt 202 are indicated by arrow directions in fig. 1, after the dried sludge falls onto the collecting box 11 through the second conveying belt 202, the collecting box 11 is provided with a humidity sensor, the dried sludge can be monitored, and when the humidity sensor detects that the sludge in the collecting box 11 does not reach the drying standard, a signal is transmitted to a controller to control an alarm device (such as an alarm bell) to alarm and remind; when the humidity sensor detects that the sludge in the material receiving box 11 reaches the drying standard, a signal is transmitted to the controller, the controller controls the electromagnetic valve 7 to open the valve, so that the dried sludge meeting the standard falls off, and the sludge meeting the drying standard is collected again.
When the sludge drying device is used, the efficiency of moisture removal and drying in the sludge conveying process can be improved, the dried sludge can be monitored, the phenomenon that the sludge is not dried completely is avoided, the drying qualification rate of the sludge is ensured, and the sludge drying device is suitable for popularization and use.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a heat pump low temperature sludge drying system, includes heat pump set (1) and conveying structure (2), mummification pipeline, a serial communication port, heat pump set includes evaporimeter (101), compressor (102), condenser (103), conveying structure (2) are including driving motor, first drive belt (201), second drive belt (202), first drive belt (201) are seal box (6) structure with the outside of second drive belt (202), top one side of first drive belt (201) is provided with mud blanking machine (8), one side below of second drive belt (202) is provided with receipts workbin (11), the internally mounted of receipts workbin (11) has humidity transducer, humidity transducer is connected with alarm device, solenoid valve (7) are installed to the bottom of receiving workbin (11), all install a plurality of on first drive belt (201) and the seal box (6) of second drive belt (202) top one side Structure (5), the mummification pipeline is including hydrofuge pipeline (3) and stoving pipeline (4), hydrofuge pipeline (3) set up the top at first conveyer belt (201), stoving pipeline (4) set up the below at second drive belt (202), electric heating plate is installed in the outside of stoving pipeline (4).
2. The heat pump low-temperature sludge drying system according to claim 1, wherein the flipping structure (5) comprises a swing rod (501) and a driving motor (502), the output end of the driving motor (502) is connected with the swing rod (501), and one side of the swing rod (501) extends on the first conveyor belt (201) or the second conveyor belt (202) and is connected with a swing blade (503).
3. The heat pump low-temperature sludge drying system according to claim 2, wherein wires are connected between the driving motor (502), the humidity sensor, the alarm device, the heat pump unit, the electric heating sheet, the transmission structure (2), and the electromagnetic valve (7) and the controller.
4. The heat pump low-temperature sludge drying system according to claim 1, wherein one side of the drying pipeline is connected with an evaporator (101) inside the heat pump unit (1), a compressor (102) is connected between the evaporator (101) and a condenser (103), and the condenser (103) is further connected with a fan coil.
5. The heat pump low-temperature sludge drying system according to claim 1, wherein the sludge blanking machine (8) and the sludge receiving box (11) are disposed on the same side of the first conveyor belt (201) and the second conveyor belt (202), and the length of the second conveyor belt (202) on the side away from the sludge receiving box (11) is greater than the length of the first conveyor belt (201) on the side away from the sludge blanking machine (8).
6. The heat pump low-temperature sludge drying system according to claim 1, wherein the dehumidifying pipe (3) is provided with dehumidifying ports (9) at equal intervals above the first conveyor belt (201), and the drying pipe (4) is provided with drying ports (10) below the second conveyor belt (202).
7. The heat pump low-temperature sludge drying system according to claim 6, wherein the bottom and the top of the closed box (6) are provided with through grooves matched with the moisture discharging port (9) and the drying port (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011442804.9A CN112707624A (en) | 2020-12-08 | 2020-12-08 | Heat pump low temperature sludge drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011442804.9A CN112707624A (en) | 2020-12-08 | 2020-12-08 | Heat pump low temperature sludge drying system |
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| Publication Number | Publication Date |
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| CN112707624A true CN112707624A (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011442804.9A Pending CN112707624A (en) | 2020-12-08 | 2020-12-08 | Heat pump low temperature sludge drying system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4644666A (en) * | 1984-07-09 | 1987-02-24 | Getag Ag | Apparatus for drying a moist material by air heated by a heat pump |
| CN108298791A (en) * | 2018-03-22 | 2018-07-20 | 天津五洲同创空调制冷设备有限公司 | A kind of novel multi-functional sludge heat pump desiccation machine |
| CN207958095U (en) * | 2017-10-17 | 2018-10-12 | 佛山市金凯地过滤设备有限公司 | It is a kind of that there is the tunnel type drying device for turning over mud function |
| CN109399891A (en) * | 2018-12-28 | 2019-03-01 | 浙江天行健水务有限公司 | Energy-saving belt sludge at low temperature desiccation apparatus |
| CN111056726A (en) * | 2019-12-10 | 2020-04-24 | 珠海杰赛科技有限公司 | Sludge low-temperature drying and dehumidifying system |
| CN210915795U (en) * | 2019-09-12 | 2020-07-03 | 深圳市前海智慧能源系统有限公司 | Sludge drying device |
| CN211111662U (en) * | 2019-11-07 | 2020-07-28 | 深圳市新涛环境科技有限公司 | Heat pump low-temperature sludge drying unit |
-
2020
- 2020-12-08 CN CN202011442804.9A patent/CN112707624A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4644666A (en) * | 1984-07-09 | 1987-02-24 | Getag Ag | Apparatus for drying a moist material by air heated by a heat pump |
| CN207958095U (en) * | 2017-10-17 | 2018-10-12 | 佛山市金凯地过滤设备有限公司 | It is a kind of that there is the tunnel type drying device for turning over mud function |
| CN108298791A (en) * | 2018-03-22 | 2018-07-20 | 天津五洲同创空调制冷设备有限公司 | A kind of novel multi-functional sludge heat pump desiccation machine |
| CN109399891A (en) * | 2018-12-28 | 2019-03-01 | 浙江天行健水务有限公司 | Energy-saving belt sludge at low temperature desiccation apparatus |
| CN210915795U (en) * | 2019-09-12 | 2020-07-03 | 深圳市前海智慧能源系统有限公司 | Sludge drying device |
| CN211111662U (en) * | 2019-11-07 | 2020-07-28 | 深圳市新涛环境科技有限公司 | Heat pump low-temperature sludge drying unit |
| CN111056726A (en) * | 2019-12-10 | 2020-04-24 | 珠海杰赛科技有限公司 | Sludge low-temperature drying and dehumidifying system |
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Application publication date: 20210427 |