CN211311285U - Sludge drying system capable of recycling waste heat - Google Patents
Sludge drying system capable of recycling waste heat Download PDFInfo
- Publication number
- CN211311285U CN211311285U CN201921863167.5U CN201921863167U CN211311285U CN 211311285 U CN211311285 U CN 211311285U CN 201921863167 U CN201921863167 U CN 201921863167U CN 211311285 U CN211311285 U CN 211311285U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- waste heat
- liquid outlet
- flue gas
- circulating water
- 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
Images
Abstract
The utility model discloses a sludge drying system by utilizing waste heat recovery, which comprises a heater arranged in a working device, a waste heat emission source arranged in a working area, a heat preservation water tank, a circulating water pump set, a cylinder sleeve cooling water heat exchanger and a flue gas economizer which are sequentially communicated with the heater, wherein the heater, the heat preservation water tank, the circulating water pump set, the cylinder sleeve cooling water heat exchanger and the flue gas economizer form a water circulation, and the cylinder sleeve cooling water heat exchanger and the flue gas economizer utilize waste heat emitted by the waste heat emission source to heat circulating water; compared with the prior art, the utility model, the reasonable used heat that has utilized in the workspace has reduced the energy consumption, has reduced manufacturing cost.
Description
Technical Field
The utility model relates to a waste heat recovery technical field, concretely relates to utilize waste heat recovery sludge drying system.
Background
Sludge drying, also known as sludge dewatering, refers to a process of removing most of the water content from sludge by the action of percolation or evaporation, and generally refers to the use of self-evaporation facilities such as sludge drying beds (beds). After the sludge is concentrated, the water content of the sludge is further reduced by a physical method, so that the sludge is convenient to transport, accumulate, utilize or further treat. The dehydration (drying) includes evaporative type and mechanical dehydration type.
At present, a sludge drying machine is adopted to carry out evaporative dehydration on sludge, circulating gas in the sludge drying machine is heated by heating water in a heater in the sludge drying machine to provide a drying heat source for the sludge, the normal running of sludge drying can be ensured only by continuously providing the heating water in the heater, and the energy consumption is high; and equipment such as a methane generator or a high-temperature reaction tower and the like can be arranged in a working area of the sludge drying machine, and a large amount of waste hot gas can be generated in the working process of the equipment, so that the waste hot gas is directly discharged into the atmosphere, and the energy waste is caused.
The waste heat emission sources such as the methane generator or the high-temperature reaction tower and the like and the energy consumption required by the sludge drier are not reasonably recycled in the working environment, so that the energy waste is caused, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
To exist not enough among the prior art, the utility model aims to provide an utilize waste heat recovery sludge drying system to solve prior art, do not carry out reasonable recycle to the required energy consumption of waste heat emission sources such as marsh gas generator or high temperature reaction tower and sludge drying machine, caused the waste of energy, increased manufacturing cost's problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a sludge drying system utilizing waste heat recovery comprises a heater arranged in a working device, a waste heat emission source arranged in a working area, a heat preservation water tank, a circulating water pump set, a cylinder sleeve cooling water heat exchanger and a flue gas economizer which are sequentially communicated with the heater, wherein the heater, the heat preservation water tank, the circulating water pump set, the cylinder sleeve cooling water heat exchanger and the flue gas economizer form a water circulation, and the cylinder sleeve cooling water heat exchanger and the flue gas economizer utilize waste heat emitted by the waste heat emission source to heat circulating water.
Compared with the prior art, the utility model discloses following beneficial effect has:
waste heat discharged by waste heat emission sources such as a biogas generator or a high-temperature reaction tower is recovered through the cylinder jacket cooling water heat exchanger and the flue gas economizer, heating water entering the heater is heated, the heating water is cooled after providing a heat source for the working device and then is introduced into the heat-insulating water tank for caching, the heating water cached in the heat-insulating water tank is pumped into the cylinder jacket cooling water heat exchanger and the flue gas economizer by the circulating water pump group to be sequentially heated and then enters the heater again, water circulation for providing a heat source for the working device is formed, waste heat in a working area is reasonably utilized, energy consumption is reduced, and production cost is reduced.
Drawings
Fig. 1 is a process flow diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments:
reference numerals in the drawings of the specification include: the system comprises a working device 1, a heat preservation water tank 2, a cylinder jacket cooling water heat exchanger 3, a flue gas economizer 4, a steam heat exchanger 5, a steam inlet pipe 6, a condensation water tank 7, a warm water tank 8, a first regulating valve 9, a second regulating valve 10, a cooling tower 11, a third regulating valve 12, a liquid supplementing pipe 13, a circulating water pump 14, a fourth regulating valve 15, a condensation water pump 16 and a fifth regulating valve 17.
Examples
Referring to FIG. 1: a sludge drying system utilizing waste heat recovery comprises a heater arranged in a working device 1, a waste heat emission source arranged in a working area, a heat preservation water tank 2, a circulating water pump set, a cylinder sleeve cooling water heat exchanger 3 and a flue gas economizer 4 which are sequentially communicated with the heater, wherein the heater, the heat preservation water tank 2, the circulating water pump set, the cylinder sleeve cooling water heat exchanger 3 and the flue gas economizer 4 form a water circulation, and the cylinder sleeve cooling water heat exchanger 3 and the flue gas economizer 4 utilize waste heat emitted by the waste heat emission source to heat circulating water; in this embodiment, the working device 1 may be a sludge drying machine, and the working device 1 may also be other devices in which a heater is disposed.
When waste heat emission sources such as a methane generator or a high-temperature reaction tower stop running, the system also comprises a steam heat exchanger 5, a pipe side liquid inlet of the steam heat exchanger 5 is communicated with a liquid outlet of a circulating water pump set, a pipe side liquid outlet of the steam heat exchanger 5 is communicated with a liquid inlet of a heater, a shell side air inlet of the steam heat exchanger 5 is communicated with a steam inlet pipe 6, a shell side air outlet of the steam heat exchanger 5 is communicated with a condensation water tank 7, and a liquid outlet of the condensation water tank 7 is sequentially communicated with a condensation water pump set and a warm water tank 8; a first regulating valve 9 is arranged at a liquid inlet of the cylinder sleeve cooling water heat exchanger 3 and a liquid outlet of the flue gas economizer 4, and a second regulating valve 10 is arranged at a pipe side liquid inlet and a pipe side liquid outlet of the steam heat exchanger 5; the water circulation formed by the heater, the heat-preservation water tank 2, the circulating water pump set, the cylinder sleeve cooling water heat exchanger 3 and the flue gas economizer 4 is cut off by closing the two first regulating valves 9, the two second regulating valves 10 are opened, heating steam is connected through the steam inlet pipe 6 to heat heating water discharged from the circulating water pump set, and then the heating water is provided for the heater, so that the heater, the heat-preservation water tank 2, the circulating water pump set and the steam heat exchanger 5 form a water circulation to provide a continuous heat source for the sludge drier; after being cooled, the steam on the shell side of the steam heat exchanger 5 forms hot water which is pumped into the warm water tank 8 by the condensed water pump set for storage, and the hot water can be supplied for workers.
When the sludge drier stops running and waste heat emission sources such as a methane generator or a high-temperature reaction tower and the like run, the system also comprises a cooling tower 11, wherein a liquid inlet of the cooling tower 11 is communicated with a liquid outlet of the flue gas economizer 4, a liquid outlet of the cooling tower 11 is communicated with the heat-preservation water tank 2, and third regulating valves 12 are arranged at the liquid inlet and the liquid outlet of the cooling tower 11; and closing the two second regulating valves 10 and the first regulating valve 9 positioned at the liquid outlet of the flue gas energy saver 4, and opening the third regulating valve 12 to enable the heat-insulating water tank 2, the circulating water pump group, the cylinder sleeve cooling water heat exchanger 3, the flue gas energy saver 4 and the cooling tower 11 to form a water circulation to cool waste heat generated by waste heat emission sources such as a biogas generator or a high-temperature reaction tower and the like so as to enable the process system to operate stably.
The heat-insulating water tank 2 in the system is communicated with a liquid supplementing pipe 13, circulating water in the system can be evaporated in the heating process, so that the circulating water can be gradually reduced in the operation process, and liquid supplementing is performed through the liquid supplementing pipe 13.
The circulating water pump group in the system comprises at least two circulating water pumps 14 which are arranged in parallel, and a fourth regulating valve 15 is arranged at a liquid inlet and a liquid outlet of each circulating water pump 14; the condensate pump group comprises at least two condensate pumps 16 which are arranged in parallel, and a fifth regulating valve 17 is arranged at a liquid inlet and a liquid outlet of each condensate pump 16; the circulating water pump 14 and the condensate pump 16 are both carried out in a one-by-one or one-by-multiple mode, so that the circulating water pump 14 or the condensate pump 16 is convenient to damage in the operation process, and the normal operation of the system and the maintenance of the circulating water pump 14 or the condensate pump 16 can be ensured at the same time.
When the system is in normal operation, waste heat emission sources such as a biogas generator and a high-temperature reaction tower and the like normally operate, the first regulating valve 9 and the fourth regulating valve 15 at the liquid inlet and the liquid outlet of the operating circulating water pump 14 are opened, and the second regulating valve 10, the third regulating valve 12 and the fifth regulating valve 17 are closed, so that the heater, the heat-insulating water tank 2, the circulating water pump set, the cylinder sleeve cooling water heat exchanger 3 and the flue gas economizer 4 form a communicated water circulation to work.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (5)
1. The sludge drying system utilizing waste heat recovery comprises a heater arranged in a working device and a waste heat emission source arranged in a working area, and is characterized by further comprising a heat preservation water tank, a circulating water pump set, a cylinder sleeve cooling water heat exchanger and a flue gas economizer which are sequentially communicated with the heater, wherein the heater, the heat preservation water tank, the circulating water pump set, the cylinder sleeve cooling water heat exchanger and the flue gas economizer form a water circulation, and the cylinder sleeve cooling water heat exchanger and the flue gas economizer utilize waste heat emitted by the waste heat emission source to heat the circulating water.
2. The sludge drying system utilizing waste heat recovery as set forth in claim 1, wherein: the steam heat exchanger is characterized by also comprising a steam heat exchanger, wherein a pipe side liquid inlet of the steam heat exchanger is communicated with a liquid outlet of a circulating water pump set, a pipe side liquid outlet of the steam heat exchanger is communicated with a liquid inlet of a heater, a shell side air inlet of the steam heat exchanger is communicated with a steam inlet pipe, a shell side air outlet of the steam heat exchanger is communicated with a condensation water tank, and a liquid outlet of the condensation water tank is sequentially communicated with a condensation water pump set and a warm water tank; the liquid inlet of the cylinder sleeve cooling water heat exchanger and the liquid outlet of the flue gas economizer are respectively provided with a first regulating valve, and the pipe side liquid inlet and the pipe side liquid outlet of the steam heat exchanger are respectively provided with a second regulating valve.
3. The sludge drying system using waste heat recovery according to claim 1 or 2, wherein: the cooling tower is characterized by further comprising a cooling tower, a liquid inlet of the cooling tower is communicated with a liquid outlet of the flue gas economizer, a liquid outlet of the cooling tower is communicated with the heat preservation water tank, and third regulating valves are arranged at the liquid inlet and the liquid outlet of the cooling tower.
4. The sludge drying system utilizing waste heat recovery as set forth in claim 1, wherein: the circulating water pump group comprises at least two circulating water pumps which are arranged in parallel, and a fourth regulating valve is arranged at a liquid inlet and a liquid outlet of each circulating water pump.
5. The sludge drying system utilizing waste heat recovery as set forth in claim 2, wherein: the condensate pump group comprises at least two condensate pumps arranged in parallel, and a fifth regulating valve is arranged at the liquid inlet and the liquid outlet of each condensate pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921863167.5U CN211311285U (en) | 2019-10-31 | 2019-10-31 | Sludge drying system capable of recycling waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921863167.5U CN211311285U (en) | 2019-10-31 | 2019-10-31 | Sludge drying system capable of recycling waste heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211311285U true CN211311285U (en) | 2020-08-21 |
Family
ID=72076655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921863167.5U Active CN211311285U (en) | 2019-10-31 | 2019-10-31 | Sludge drying system capable of recycling waste heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211311285U (en) |
-
2019
- 2019-10-31 CN CN201921863167.5U patent/CN211311285U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101696643B (en) | Low-temperature heat energy recovering apparatus of heat and electricity co-generation and recovering method thereof | |
| CN201568088U (en) | Cogeneration system for directly recycling waste heat of exhaust steam from power station steam turbine with absorption type heat pump | |
| CN202768089U (en) | Steam exhaust recycling system of steam feed pump | |
| CN111099810A (en) | Indirect sludge drying device and method for recycling waste steam energy by heat pump | |
| CN109847394A (en) | A kind of system and method that ethylene glycol rectifier unit process waste recycles | |
| CN104747409A (en) | System and method for recycling waste heat of air compressor and heating etching chemical liquid by using waste heat | |
| CN107098562B (en) | Novel heat energy cascade recycling system of two-stage sludge drying process | |
| CN103322727A (en) | Heat pump system as well as drying system and method | |
| CN104807245B (en) | A kind of low temperature heat system and residual-heat utilization method | |
| CN205744025U (en) | Power plant's unboiled water and demineralized water utilize exhaust steam heating system | |
| CN106322427A (en) | Deslagging waste heat utilization system and deslagging waste heat utilization method for circulating fluidized bed boiler | |
| CN202769778U (en) | Heat supply system for recovering open type circulation water waste heat of power plant | |
| CN204612228U (en) | A kind of low temperature heat system | |
| CN103672835A (en) | Hot and humid gas energy recovery high-temperature heat production system | |
| CN106440487B (en) | A kind of combined twin-stage steam heat pump system | |
| CN206387141U (en) | A kind of combined twin-stage steam heat pump system | |
| CN206440032U (en) | A kind of recovery Steam Turbine exhaust steam residual heat system based on heat pump | |
| CN206043233U (en) | A kind of waste-heat recovery device and Fryer | |
| CN211311285U (en) | Sludge drying system capable of recycling waste heat | |
| CN102182527A (en) | Heat power combined heat supply system for efficiently recycling residual heat exhausted by steam turbine in power station | |
| CN205805634U (en) | A kind of energy-saving indirect dry cooling tower afterheat recycling system | |
| CN201568085U (en) | Cogeneration device for directly recycling waste heat of exhaust steam from power station steam turbine with absorption type heat pump | |
| CN210532424U (en) | Low-temperature waste heat utilization system | |
| CN107166479A (en) | Nuclear power station residual neat recovering system | |
| CN206256941U (en) | A kind of condensing turbine organic working medium circulating cooling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401135 No. 19, Ying long avenue, Longxing Town, Yubei District, Chongqing (Liangjiang New District) Patentee after: ENDURANCE & MES (CHONGQING) ENVIRONMENT CO.,LTD. Patentee after: CHONGQING ENDURANCE SHANHUA SPECIAL VEHICLE Co.,Ltd. Patentee after: Naide Environmental Industry Group Co.,Ltd. Address before: 401135 No. 19, Ying long avenue, Longxing Town, Yubei District, Chongqing (Liangjiang New District) Patentee before: ENDURANCE & MES (CHONGQING) ENVIRONMENT CO.,LTD. Patentee before: CHONGQING ENDURANCE SHANHUA SPECIAL VEHICLE Co.,Ltd. Patentee before: Naide Environmental Industry Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211214 Address after: 401121 floor 5, No. 5, Baoyun Road, Longxing Town, Liangjiang New Area, Yubei District, Chongqing (independent commitment) Patentee after: Chongqing nidesha Weigu environmental protection equipment Co.,Ltd. Patentee after: ENDURANCE & MES (CHONGQING) ENVIRONMENT CO.,LTD. Patentee after: CHONGQING ENDURANCE SHANHUA SPECIAL VEHICLE Co.,Ltd. Patentee after: Naide Environmental Industry Group Co.,Ltd. Address before: 401135 No. 19, Ying long avenue, Longxing Town, Yubei District, Chongqing (Liangjiang New District) Patentee before: ENDURANCE & MES (CHONGQING) ENVIRONMENT CO.,LTD. Patentee before: CHONGQING ENDURANCE SHANHUA SPECIAL VEHICLE Co.,Ltd. Patentee before: Naide Environmental Industry Group Co.,Ltd. |
|
| TR01 | Transfer of patent right |