CN118063073A - Dehumidification system of sludge drier - Google Patents
Dehumidification system of sludge drier Download PDFInfo
- Publication number
- CN118063073A CN118063073A CN202410331450.2A CN202410331450A CN118063073A CN 118063073 A CN118063073 A CN 118063073A CN 202410331450 A CN202410331450 A CN 202410331450A CN 118063073 A CN118063073 A CN 118063073A
- Authority
- CN
- China
- Prior art keywords
- water
- cooling
- sludge
- air
- dehumidification system
- 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.)
- Pending
Links
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
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D3/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits
- F28D3/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits with tubular conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/04—Distributing or accumulator troughs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/06—Spray nozzles or spray pipes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention discloses a dehumidification system of a sludge drier, which comprises a circulating air channel, wherein the circulating air channel is used as a reflux air flow channel; the cooling medium in the cooling component is in direct contact with the return air and is used for cooling the return air and removing dust and corrosive gas in the air; the heater is arranged in the circulating air duct and is used for heating the cooled air so as to circularly dry the sludge. The invention has the following advantages.
Description
Technical Field
The invention relates to the technical field of sludge drying, in particular to a dehumidifying system of a sludge dryer.
Background
Along with the increasing market demand of sludge drying, the sludge low-temperature drying technology is more and more favored by a plurality of environment-friendly enterprises. The whole equipment adopts a fully-closed circulating air duct design, the sludge drying process adopts a convection hot air drying mode to carry out moisture, and then condensate water is generated by cooling circulating air to be discharged out of the equipment, so that the aim of drying and reducing the weight of the sludge is fulfilled, and the advantages are outstanding.
However, a large amount of odor and corrosive gas are generated in the sludge drying process, which brings serious corrosion problems to parts inside the equipment, particularly corrosion leakage of an internal heat exchanger, and influences the service performance and stability of the equipment.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a dehumidifying system of a sludge drier.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a sludge drier dehumidification system for use in a sludge drier, comprising:
The circulating air channel is used as a return air flow channel;
the cooling medium in the cooling component is in direct contact with the return air and is used for cooling the return air and removing dust and corrosive gas in the air;
the heater is arranged in the circulating air duct and is used for heating the cooled air so as to circularly dry the sludge.
As a further description of the above technical solution, a water receiving component is disposed below the cooling component, and the water receiving component is connected with an external settling tank, and the settling tank is used for separating water and sediment.
As a further description of the above technical solution, the cooling component includes a spray header capable of spraying cooling water, a filler component filled in a part of the circulating air duct is disposed below the spray header, the spray header sprays water to the filler component, and the water body is filled inside the filler component along the edge and cools the reflowed hot air and removes impurities.
As a further description of the above technical solution, the shower heads are provided in plurality and are uniformly distributed above the filler component.
As a further description of the above technical solution, the settling tank is connected with a cooling water tower, which is communicated with the spray header, for supplying water to the spray header.
As a further description of the above technical solution, the heater is of a hollow structure, and the heater includes a water inlet and a water outlet, and circulation of hot water is achieved through cooperation of the heater body, the water inlet and the water outlet.
As a further description of the above technical solution, the packing member includes a plurality of plastic hollow spheres, and gaps between the plurality of hollow spheres serve as flow passages for shower water and return air.
As a further description of the above technical solution, the hollow sphere has a circular or polygonal structure.
As a further description of the above technical solution, the water receiving component is a water receiving disc, a precipitation component is disposed in the water receiving disc, and one end of the water receiving component is connected with a cooling water outlet.
The invention has the following beneficial effects:
1. The filler component is made of plastic, so that the problem of corrosion leakage of the traditional fin type heat exchanger can be solved, meanwhile, dust and corrosive gas in circulating air can be absorbed on the basis of cooling return air as a cooling component, corrosiveness in the circulating air is reduced to protect other parts in the device, and overall stability in a drier system is improved.
2. According to the invention, the cooling water can be in direct contact with the return hot air, so that the cooling water and the return hot air can directly exchange heat, the heat exchange efficiency in the cooling process is improved, and the efficiency of the drier is further improved.
Drawings
FIG. 1 is a schematic diagram of a dehumidification system according to the present disclosure;
fig. 2 is a schematic partial view of a water receiving member according to the present invention.
Legend description:
1. A circulating air duct; 2. a mesh belt; 3. a circulating fan; 4. a heater; 41. a water inlet; 42. a water outlet; 5. a spray header; 6. a filler member; 7. a water receiving tray; 8. a sedimentation tank; 9. a cooling water tower; 10. a precipitation member; 11. and an overflow port.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, one embodiment provided by the present invention: the utility model provides a sludge drier dehumidification system, it is applied to the inside of sludge drier, concretely, including circulation wind channel 1, be provided with circulation fan 3 in the circulation wind channel 1, circulation fan 3 provides power for the circulation flow of air, and be provided with multiunit guipure 2 in circulation wind channel 1, be laid mud on guipure 2, circulated hot-blast dries the mud on guipure 2, and the air after the sludge drying turns into damp-heat air by the dry-heat air, reentrant in circulation wind channel 1 on one side, and be provided with cooling part in circulation wind channel 1 on the opposite side, specifically, this cooling part includes packing part 6 in circulation wind channel 1, and evenly be provided with a plurality of shower nozzles 5 in the top of packing part 6, shower nozzle 5 can be used for the packing part 6 of below to spray cooling water, when the back-flow air passes packing part 6 of below, through cooling water and back-flow air direct contact, thereby realize cooling air, air and cooling water direct heat transfer, compare in the present fin heat exchanger, can improve the heat exchange efficiency in the cooling process, simultaneously the cooling water can carry the dust or the inside corrosion problem such as the air that the back-flow is carried to the inside the desiccation in the packing part when flowing through under the packing part 6, the back air corrosion effectively reduces.
The upper end of the cooling part is provided with a heater 4, the heater 4 is of a hollow structure, one end of the heater 4 is provided with a water inlet 41 and a water outlet 42, hot water can be introduced, and when cooled air passes through the heater 4, the cooled air can be heated and enters the mesh belt 2 again to dry the sludge.
With continued reference to fig. 1, a water receiving component is disposed below the cooling component and is connected with an external settling tank 8, the water receiving component is preferably a water receiving disc 7, after the spray header 5 sprays cooling water to the filler component 6, the cooling water with dust and corrosive gas falls into the water receiving disc 7 below, and then is discharged to the settling tank 8 outwards through a cooling water outlet, the settling tank 8 can separate water from sediment, preferably a multistage separation unit is disposed inside the settling tank 8 and can filter sewage, the water approaching the upper layer is pumped into the cooling water tower 9 and is conveyed to the spray header 5 again for cooling, and the effect of energy conservation and environment protection is achieved.
Further, referring to fig. 2, a precipitation part 10 is provided on the water receiving tray 7, specifically two inclined plate bodies symmetrically provided, and an overflow port 11 is provided in the middle of the two plate bodies, when the cooling water above falls onto the inclined plate bodies, the cooling water can continuously flow to the lower part of the plate bodies due to the inclination of the plate bodies, then when the water level exceeds the overflow port 11, the cooling water can enter the water receiving tray 7 below, a plurality of evenly distributed counter bores can be provided on the inclined plate bodies, impurities contained in the cooling water can be trapped by the counter bores, the inclined plate bodies are detachable, when the dirt receiving amount of the counter bores reaches the limit, the inclined plate bodies can be detached for cleaning, and then the inclined plate bodies can be reused, preferably the inclined plate bodies can be detached for cleaning after the low-temperature desiccator is used for 7-8 times. The precipitation component 10 can be used for carrying out preliminary filtration on impurities contained in cooling water in the water pan 7, and carrying out secondary precipitation filtration after entering the precipitation box 8, so that the problem that frequent overhaul is required due to the fact that sewage enters the shower head 5 again to be blocked is avoided.
Referring to fig. 1, the packing member 6 is composed of a plurality of plastic hollow spheres, and the gaps between the plastic hollow spheres can be used as the circulation paths of cooling water, in other realizable embodiments, the plastic hollow spheres can also be polygonal, so that the paths between the hollow spheres are increased, the circulation time of the cooling water is prolonged, the cooling effect on the return air is improved, meanwhile, the hollow spheres of the packing member 6 are made of plastic materials, the problem of corrosion leakage of the traditional fin type heat exchanger can be solved, the problem of filth blockage of the fin type heat exchanger can be avoided, and the overall stability of a drier system is improved.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (9)
1. A sludge drier dehumidification system for the inside of a sludge drier, comprising:
The circulating air channel is used as a return air flow channel;
the cooling medium in the cooling component is in direct contact with the return air and is used for cooling the return air and removing dust and corrosive gas in the air;
the heater is arranged in the circulating air duct and is used for heating the cooled air so as to circularly dry the sludge.
2. The sludge drying machine dehumidification system of claim 1, wherein a water receiving component is arranged below the cooling component and is connected with an external sedimentation tank, and the sedimentation tank is used for separating water and sediment.
3. The dehumidifying system of a sludge drier as claimed in claim 2, wherein the cooling part comprises a spray header capable of spraying cooling water, a filler part filled in a part of the circulating air duct is arranged below the spray header, the spray header sprays water to the filler part, and the water cools and removes impurities along the hot air filled in the filler part and flowing back.
4. A sludge dryer dehumidification system as claimed in claim 3 wherein a plurality of spray heads are provided and evenly distributed over the filler members.
5. A sludge dryer dehumidification system as claimed in claim 3 wherein the settling tank is connected to a cooling water tower in communication with the spray header for supplying water thereto.
6. The sludge drying machine dehumidification system of claim 1, wherein the heater is of a hollow structure, and comprises a water inlet and a water outlet, and circulation of hot water is achieved through cooperation of the heater body, the water inlet and the water outlet.
7. The sludge drying machine dehumidification system of claim 4, wherein the packing member comprises a plurality of plastic hollow spheres, and gaps between the plurality of hollow spheres serve as flow passages for shower water and return air.
8. The sludge drying machine dehumidification system of claim 7, wherein the hollow sphere is of a circular or polygonal configuration.
9. The sludge drying machine dehumidification system of claim 2, wherein the water receiving component is a water receiving disc, a precipitation component is arranged in the water receiving disc, and one end of the water receiving component is connected with a cooling water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410331450.2A CN118063073A (en) | 2024-03-22 | 2024-03-22 | Dehumidification system of sludge drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410331450.2A CN118063073A (en) | 2024-03-22 | 2024-03-22 | Dehumidification system of sludge drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118063073A true CN118063073A (en) | 2024-05-24 |
Family
ID=91097186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410331450.2A Pending CN118063073A (en) | 2024-03-22 | 2024-03-22 | Dehumidification system of sludge drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118063073A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210736511U (en) * | 2019-06-14 | 2020-06-12 | 同方节能装备有限公司 | Sludge drying system based on absorption type technology |
| CN214005811U (en) * | 2020-10-23 | 2021-08-20 | 深圳志深建筑技术有限公司 | Sponge urban rainwater runoff control system |
| CN113663453A (en) * | 2021-09-16 | 2021-11-19 | 河南晋开化工投资控股集团有限责任公司 | A kind of tail gas treatment device of prilling tower |
| CN114804578A (en) * | 2022-04-25 | 2022-07-29 | 可迪尔环境科技(河北)有限公司 | Water film dust removal system of sludge low-temperature belt type drying machine |
| CN117599549A (en) * | 2023-12-22 | 2024-02-27 | 上海同臣环保有限公司 | A wet film dust removal, cooling and dehumidification integrated device |
-
2024
- 2024-03-22 CN CN202410331450.2A patent/CN118063073A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210736511U (en) * | 2019-06-14 | 2020-06-12 | 同方节能装备有限公司 | Sludge drying system based on absorption type technology |
| CN214005811U (en) * | 2020-10-23 | 2021-08-20 | 深圳志深建筑技术有限公司 | Sponge urban rainwater runoff control system |
| CN113663453A (en) * | 2021-09-16 | 2021-11-19 | 河南晋开化工投资控股集团有限责任公司 | A kind of tail gas treatment device of prilling tower |
| CN114804578A (en) * | 2022-04-25 | 2022-07-29 | 可迪尔环境科技(河北)有限公司 | Water film dust removal system of sludge low-temperature belt type drying machine |
| CN117599549A (en) * | 2023-12-22 | 2024-02-27 | 上海同臣环保有限公司 | A wet film dust removal, cooling and dehumidification integrated device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105258549B (en) | A kind of water circulation evaporation and heat-exchange cooling condenser | |
| CN103527267B (en) | Direct air-cooling unit system with plate-type evaporative condenser unit adopted | |
| CN109395540B (en) | Raw flue gas sensible heat deep utilization regeneration system | |
| CN111637569A (en) | An indirect evaporative air cooling device | |
| CN104864732A (en) | Evaporation type condenser system used for thermal power plant small steam turbine steam exhaust condensing | |
| CN109812913B (en) | Indirect evaporation inner-cooling type solution fresh air dehumidifying device | |
| CN212618913U (en) | Composite cooling tower and air conditioning system | |
| CN108151551A (en) | A kind of centrifugation air blast cross flow cooling tower using disjunctor water distributing tray | |
| CN203964237U (en) | The evaporative cooling handpiece Water Chilling Units of turning spurt water device and plate type heat exchanger combination | |
| CN211012543U (en) | Cooling tower with good water-saving effect and strong fog dispersal capability | |
| CN215766368U (en) | Heat recovery drying airflow duct structure | |
| CN203531984U (en) | Direct air-cooling unit system with plate-type evaporative condenser set | |
| CN210089065U (en) | Heat pipe type fresh air ventilator with composite evaporative cooling and spraying technology | |
| CN104457317A (en) | Stand-pipe indirect-direct two-stage evaporative cooling tower | |
| CN113670090A (en) | An indirect evaporative fluid cooling device with internal heat exchanger | |
| CN118063073A (en) | Dehumidification system of sludge drier | |
| CN110307558A (en) | A flue gas whitening structure of ammonia desulfurization tower and its operation method | |
| CN120333187A (en) | A composite mixed flow air cooler with a peak device | |
| CN108332318A (en) | A kind of female vertical gilled tube indirect evaporating-cooling core of band | |
| CN204694095U (en) | For the evaporative condenser system of thermal power plant's small turbine exhaust steam condensation | |
| CN205014696U (en) | Hydrologic cycle formula stepped cooling condenser | |
| CN203908349U (en) | Plate-type evaporation air cooled condenser | |
| CN112923754A (en) | Air cooling tower based on dew point indirect evaporation precooling and working method thereof | |
| CN206094960U (en) | Energy saving cooling tower with heat exchanger | |
| CN212620231U (en) | EC fan convulsions crossing current closed side entry air-out cooling tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: Room 301A, No. 1121 Zhongshan North 2nd Road, Yangpu District, Shanghai 200092 Applicant after: Shanghai Tongchen Intelligent Equipment Co.,Ltd. Address before: Room 301A, 1121 North Zhongshan Second Road, Yangpu District, Shanghai 200,082 Applicant before: SHANGHAI TECHASE ENVIRONMENT PROTECTION Co.,Ltd. Country or region before: China |