CN110906758A - Horizontal pipe internal flow latent heat evaporation type air cooler and cooling process - Google Patents
Horizontal pipe internal flow latent heat evaporation type air cooler and cooling process Download PDFInfo
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- CN110906758A CN110906758A CN201911309073.8A CN201911309073A CN110906758A CN 110906758 A CN110906758 A CN 110906758A CN 201911309073 A CN201911309073 A CN 201911309073A CN 110906758 A CN110906758 A CN 110906758A
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- Prior art keywords
- flue gas
- water
- temperature flue
- pipeline
- cooler
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
- F28C3/08—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour with change of state, e.g. absorption, evaporation, condensation
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of industrial high-temperature flue gas treatment equipment, in particular to a horizontal type in-pipe latent heat evaporation type air cooler and a cooling process. Comprises a cooler shell, a radiating pipe, a spraying pipe, a cleaning pipeline and a fan; the side wall of the cooler shell is provided with a high-temperature flue gas inlet and a high-temperature flue gas outlet, the lower part of the cooler shell is provided with an air inlet, the top of the cooler shell is provided with an air outlet, the bottom of the cooler shell is provided with a water collecting tray, and the bottom of the cooler shell is connected with a water replenishing pipeline; the cooling tube, the shower, wash the pipeline, the fan rigid coupling is in cooler housing, and the fan rigid coupling is at the top, and the cooling tube transversely sets up, and cooling tube and high temperature flue gas air inlet, high temperature flue gas outlet intercommunication, cooling tube bottom link to each other with drainage pipe, and the shower sets up around the cooling tube with wasing the pipeline. The device can efficiently treat industrial flue gas with large flue gas amount and high temperature, clean crystals and bonding substances attached to the inner wall of a high-temperature flue gas pipeline, has a good heat exchange effect, is energy-saving and environment-friendly, and reduces investment.
Description
Technical Field
The invention relates to the technical field of industrial high-temperature flue gas treatment equipment, in particular to a horizontal type in-pipe latent heat evaporation type air cooler and a cooling process.
Background
Because the industrial flue gas temperature is high, the flue gas volume is large, and in order to ensure that the flue gas temperature reaches the temperature required by the process, the industrial flue gas needs to be cooled. Currently, industrial high-temperature flue gas cooling equipment is mainly divided into a flue gas-air cooler and a flue gas-water cooler. The two types of coolers have the following defects: 1. the flue gas-air cooler utilizes air as a cooling medium, and needs a larger heat exchange area due to a smaller heat transfer coefficient of the air, so the flue gas-air cooler has large floor area and poor heat exchange effect, and seasonal changes of air temperature greatly affect the performance of the flue gas-air cooler; 2. the flue gas-water cooler utilizes water as a cooling medium, and needs equipment such as a cooling tower, a water treatment device, a circulating pump and the like due to the fact that cooling water with low temperature is needed, the equipment occupies a large area, is long in flow, is complex in operation control, is high in cost, and water treatment equipment is easy to pollute the environment.
Therefore, how to design a flue gas cooling device with good heat exchange effect, energy conservation, environmental protection and cost reduction becomes a key topic in the field of industrial high-temperature flue gas treatment equipment.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a horizontal pipe internal flow latent heat evaporation type air cooler and a cooling process, which can efficiently process industrial flue gas with large flue gas volume and high temperature, clean crystals and bonding substances attached to the inner wall of a high-temperature flue gas pipeline, have good heat exchange effect, save energy, protect environment and reduce investment.
In order to achieve the purpose, the invention adopts the following technical scheme:
the horizontal pipe inner flow latent heat evaporation type air cooler comprises a cooler shell, a radiating pipe, a spraying pipe, a cleaning pipeline and a fan; the side wall of the cooler shell is provided with a high-temperature flue gas inlet and a high-temperature flue gas outlet, the lower part of the cooler shell is provided with an air inlet, the top of the cooler shell is provided with an air outlet, the bottom of the cooler shell is provided with a water collecting tray, and the bottom of the cooler shell is connected with a water replenishing pipeline; the cooling tube, the shower, wash the pipeline, the fan rigid coupling is in the cooler casing, the fan rigid coupling is at the top, the cooling tube transversely sets up, cooling tube and high temperature flue gas air inlet, high temperature flue gas outlet intercommunication, the cooling tube bottom links to each other with drainage pipe, the shower with wash the pipeline setting around the cooling tube, it links to each other with the cooling tube to wash the pipeline.
The spraying device also comprises a spraying pump, wherein the spraying pump is connected with the spraying pipe and is connected with the water collecting plate through a pipeline.
And a steam inlet valve or a water inlet valve of the cleaning system is arranged on the cleaning pipeline.
And a drain valve is arranged on the drainage pipeline.
And a water replenishing valve is arranged on the water replenishing pipeline.
A horizontal type internal pipe latent heat evaporation type air cooling process specifically comprises the following steps:
1) high-temperature flue gas enters the heat dissipation pipe from the high-temperature flue gas inlet, and air enters the shell from the air inlet;
2) the air flows from bottom to top, and exchanges heat with high-temperature flue gas in the radiating pipe on the outer wall of the radiating pipe;
3) meanwhile, spray water is continuously sent to the wall of the heat dissipation pipe from the water collection tray through the spray pipeline by the spray pump, the spray water is evaporated and absorbs heat when meeting high-temperature flue gas, the high-temperature flue gas is further cooled by latent heat of vaporization, and cooled condensate water and the spray water flow back to the water collection tray again;
4) washing the crystal and the bonding matter attached to the inner wall of the high-temperature flue gas pipeline by using steam or high-pressure water through a cleaning pipeline, and discharging the washed crystal and the bonding matter from a drainage pipeline through an opened drainage valve along with the steam or the high-pressure water;
5) opening a water replenishing valve, and delivering water into the water collecting tray through a water replenishing system;
6) the high-temperature flue gas cooled by the air and the cooling water is discharged from the high-temperature flue gas outlet, and the air and the water vapor enter the atmosphere from the air outlet under the action of a fan at the top of the cooler.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can process industrial flue gas with large flue gas amount and high temperature, and adopts the method of double cooling of high-temperature flue gas by utilizing the temperature difference between air and the high-temperature flue gas and the latent heat of water evaporation and vaporization, thereby improving the heat exchange effect, reducing the occupied area, saving the investment cost, saving energy and protecting environment.
2. The cleaning system adopting steam or high-pressure water as a medium can effectively prevent pipelines in the cooler from being blocked, the service life of the cooler is long, and the maintenance cost is saved.
3. The heat dissipation pipe is transversely arranged, and the heat exchange effect is improved.
Drawings
FIG. 1 is a schematic diagram of the structure and process of the present invention.
In the figure: 1-shell 2-high temperature flue gas inlet 3-high temperature flue gas outlet 4-air inlet 5-air outlet 6-radiating pipe 7-spray pipe 8-cleaning pipeline 9-cleaning system steam inlet valve or water inlet valve 10-drain valve 11-fan 12-spray pump 13-water collecting tray 14-water replenishing valve 15-high temperature flue gas direction 16-air direction
Detailed Description
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:
as shown in fig. 1, the horizontal tube internal flow latent heat evaporative air cooler comprises a cooler housing 1, a radiating tube 6, a spraying tube 7, a cleaning pipeline 8, a fan 11 and a spraying pump 12.
The side wall of the cooler shell 1 is provided with a high-temperature flue gas inlet 2 and a high-temperature flue gas outlet 3, the lower part of the cooler shell is provided with an air inlet 4, the top of the cooler shell is provided with an air outlet 5, the bottom of the cooler shell is provided with a water collecting tray 13, the bottom of the cooler shell is connected with a water replenishing pipeline, and the water replenishing pipeline is provided with a water replenishing valve 14.
The radiating pipe 6, the spray pipe 7, the cleaning pipeline 8 and the fan 11 are fixedly connected in the cooler shell 1, and the fan 1 is fixedly connected in the cooler shell 1.
Be equipped with many horizontal cooling tubes 6 that set up, cooling tube 6 is in between high temperature flue gas and the air, cooling tube 6 and high temperature flue gas air inlet 2, high temperature flue gas outlet 3 intercommunication. The bottom of the radiating pipe 6 is connected with a drainage pipeline, and a drainage valve 10 is arranged on the drainage pipeline. The spray pipe 7 and the cleaning pipe 8 are arranged around the radiating pipe 6, the cleaning pipe 8 is connected with the radiating pipe 6, and the cleaning pipe 8 is provided with a cleaning system steam inlet valve or water inlet valve 9. The spray pump 12 is connected with the spray pipe 7, and the spray pump 12 is connected with the water collecting tray 13 through a pipeline.
The process principle and the process of the invention are as follows:
the high temperature flue gas gets into in the cooling tube 6 from air inlet 2, and the air gets into in casing 1 from air inlet 4, and the air carries out the heat exchange with the high temperature flue gas in cooling tube 6 at cooling tube 6 outer wall, and high temperature flue gas direction 15 and air direction 16 are shown in fig. 1.
Meanwhile, spray water is continuously sent to the wall of the heat dissipation pipe through the spray pipeline 7 from the water collection tray 13 by the spray pump 12, the spray water is subjected to evaporation and heat absorption when meeting high-temperature flue gas, the high-temperature flue gas is further cooled by latent heat of vaporization, and cooled condensate water and the spray water flow back to the water collection tray 13 again.
And opening a steam inlet valve or a water inlet valve 9 of the cleaning system, flushing the crystal and the adhesive attached to the inner wall of the high-temperature flue gas pipeline by using steam or high-pressure water through a cleaning pipeline 8, and discharging the flushed crystal and adhesive from the drainage pipeline through an opened drainage valve 10 along with the steam or the high-pressure water.
Because the shower water can be evaporated in the cyclic utilization process, so set up water charging system, open moisturizing valve 14, send water to the water-collecting tray through water charging system. The high-temperature flue gas cooled by the air and the cooling water is discharged from the high-temperature flue gas outlet 3, and the air and the water vapor enter the atmosphere from the air outlet 5 under the action of the cooler top fan 11.
The invention can process industrial flue gas with large flue gas amount and high temperature, and the method for double cooling the high-temperature flue gas by utilizing the temperature difference between air and the high-temperature flue gas and the vaporization latent heat of water evaporation improves the heat exchange effect, reduces the occupied area, saves the investment cost, saves energy and protects the environment. The cleaning system adopting steam or high-pressure water as a medium can effectively prevent pipelines in the cooler from being blocked, the service life of the cooler is long, and the maintenance cost is saved.
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 (6)
1. Horizontal pipe internal flow latent heat evaporation formula air cooler, its characterized in that: comprises a cooler shell, a radiating pipe, a spraying pipe, a cleaning pipeline and a fan; the side wall of the cooler shell is provided with a high-temperature flue gas inlet and a high-temperature flue gas outlet, the lower part of the cooler shell is provided with an air inlet, the top of the cooler shell is provided with an air outlet, the bottom of the cooler shell is provided with a water collecting tray, and the bottom of the cooler shell is connected with a water replenishing pipeline; the cooling tube, the shower, wash the pipeline, the fan rigid coupling is in the cooler casing, the fan rigid coupling is at the top, the cooling tube transversely sets up, cooling tube and high temperature flue gas air inlet, high temperature flue gas outlet intercommunication, the cooling tube bottom links to each other with drainage pipe, the shower with wash the pipeline setting around the cooling tube, it links to each other with the cooling tube to wash the pipeline.
2. The horizontal tube internal flow latent heat evaporative air cooler of claim 1, wherein: the spraying device also comprises a spraying pump, wherein the spraying pump is connected with the spraying pipe and is connected with the water collecting plate through a pipeline.
3. The horizontal tube internal flow latent heat evaporative air cooler of claim 1, wherein: and a steam inlet valve or a water inlet valve of the cleaning system is arranged on the cleaning pipeline.
4. The horizontal tube internal flow latent heat evaporative air cooler of claim 1, wherein: and a drain valve is arranged on the drainage pipeline.
5. The horizontal tube internal flow latent heat evaporative air cooler of claim 1, wherein: and a water replenishing valve is arranged on the water replenishing pipeline.
6. A cooling process based on the cooler of claim 1, 2, 3, 4 or 5, which is characterized by comprising the following steps:
1) high-temperature flue gas enters the heat dissipation pipe from the high-temperature flue gas inlet, and air enters the shell from the air inlet;
2) the air flows from bottom to top, and exchanges heat with high-temperature flue gas in the radiating pipe on the outer wall of the radiating pipe;
3) meanwhile, spray water is continuously sent to the wall of the heat dissipation pipe from the water collection tray through the spray pipeline by the spray pump, the spray water is evaporated and absorbs heat when meeting high-temperature flue gas, the high-temperature flue gas is further cooled by latent heat of vaporization, and cooled condensate water and the spray water flow back to the water collection tray again;
4) washing the crystal and the bonding matter attached to the inner wall of the high-temperature flue gas pipeline by using steam or high-pressure water through a cleaning pipeline, and discharging the washed crystal and the bonding matter from a drainage pipeline through an opened drainage valve along with the steam or the high-pressure water;
5) opening a water replenishing valve, and delivering water into the water collecting tray through a water replenishing system;
6) the high-temperature flue gas cooled by the air and the cooling water is discharged from the high-temperature flue gas outlet, and the air and the water vapor enter the atmosphere from the air outlet under the action of a fan at the top of the cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911309073.8A CN110906758A (en) | 2019-12-18 | 2019-12-18 | Horizontal pipe internal flow latent heat evaporation type air cooler and cooling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911309073.8A CN110906758A (en) | 2019-12-18 | 2019-12-18 | Horizontal pipe internal flow latent heat evaporation type air cooler and cooling process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110906758A true CN110906758A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911309073.8A Pending CN110906758A (en) | 2019-12-18 | 2019-12-18 | Horizontal pipe internal flow latent heat evaporation type air cooler and cooling process |
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| Country | Link |
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| CN (1) | CN110906758A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264183A (en) * | 2021-12-30 | 2022-04-01 | 东营联合石化有限责任公司 | Oil gas cooler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697730A (en) * | 2014-01-17 | 2014-04-02 | 中钢集团天澄环保科技股份有限公司 | Fast cooler of high-temperature flue gas |
| CN205119873U (en) * | 2015-11-27 | 2016-03-30 | 江西申东环保科技有限公司 | Compound cooling tower of high temperature flue gas |
| WO2017075955A1 (en) * | 2015-11-08 | 2017-05-11 | 广东工业大学 | Energy-saving gas supply boiler system |
| CN108662915A (en) * | 2018-07-19 | 2018-10-16 | 河南省九冶化工设备有限公司 | The indirect heat exchange vaporization type condensing system of the general vapour of concentration evaporator system end effect |
| DE202018103280U1 (en) * | 2017-07-20 | 2018-10-25 | Jiangsu Minsheng Heavy Industries Co., Ltd. | Flue gas desulfurization system Heating |
-
2019
- 2019-12-18 CN CN201911309073.8A patent/CN110906758A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697730A (en) * | 2014-01-17 | 2014-04-02 | 中钢集团天澄环保科技股份有限公司 | Fast cooler of high-temperature flue gas |
| WO2017075955A1 (en) * | 2015-11-08 | 2017-05-11 | 广东工业大学 | Energy-saving gas supply boiler system |
| CN205119873U (en) * | 2015-11-27 | 2016-03-30 | 江西申东环保科技有限公司 | Compound cooling tower of high temperature flue gas |
| DE202018103280U1 (en) * | 2017-07-20 | 2018-10-25 | Jiangsu Minsheng Heavy Industries Co., Ltd. | Flue gas desulfurization system Heating |
| CN108662915A (en) * | 2018-07-19 | 2018-10-16 | 河南省九冶化工设备有限公司 | The indirect heat exchange vaporization type condensing system of the general vapour of concentration evaporator system end effect |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264183A (en) * | 2021-12-30 | 2022-04-01 | 东营联合石化有限责任公司 | Oil gas cooler |
| CN114264183B (en) * | 2021-12-30 | 2023-09-22 | 东营联合石化有限责任公司 | Oil gas cooler |
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