CN111189334A - Air cooler waste heat recovery system - Google Patents
Air cooler waste heat recovery system Download PDFInfo
- Publication number
- CN111189334A CN111189334A CN202010068776.2A CN202010068776A CN111189334A CN 111189334 A CN111189334 A CN 111189334A CN 202010068776 A CN202010068776 A CN 202010068776A CN 111189334 A CN111189334 A CN 111189334A
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- CN
- China
- Prior art keywords
- air cooler
- water
- pipeline
- heat
- water tank
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- 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.)
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Classifications
-
- 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
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/14—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
Abstract
The invention discloses an air cooler waste heat recovery system, which comprises an air cooler, wherein the air cooler comprises a sprayer, an air outlet and a base water tank, the air outlet is connected with an exhaust pipeline, the base water tank is connected with a relay water tank, the exhaust pipeline is connected with a steam load through a steam load pipeline, an evaporator is arranged in the relay water tank, and a heat conducting liquid storage tank is configured to provide a heat source for a heat supply load.
Description
Technical Field
The invention relates to the technical field of heat dissipation equipment, in particular to an air cooler waste heat recovery system.
Background
The air cooler is a heat exchange device which is used for condensation and cooling most in petrochemical industry and oil gas processing production.
The wet air coolers are classified into a humidifying type, a spraying type and a surface evaporation type, and the like, and particularly, the spraying type wet air cooler has a wide application range.
The conventional spray type wet air cooler often can produce a large amount of high temperature steam when using, and this steam directly discharges usually, does not carry out recycle, and a large amount of heats and water are extravagant, and in addition, the shower water at the bottom of the air cooler often is in high temperature state all the time, influences its radiating efficiency greatly, influences its working property.
Disclosure of Invention
The invention aims at the problems and discloses an air cooler waste heat recovery system.
The specific technical scheme is as follows:
the air cooler waste heat recovery system comprises an air cooler, wherein the air cooler comprises a sprayer, an air outlet and a base water tank, and is characterized in that the air outlet is connected with an exhaust pipeline, and the base water tank is communicated with a relay water tank;
the tail end of the exhaust pipeline is communicated with a steam load pipeline, a condensed water discharge pipe is connected between the exhaust pipeline and the steam load pipeline, the condensed water discharge pipe is U-shaped, 2 interfaces at the upper end of the condensed water discharge pipe are respectively communicated with the exhaust pipeline and the steam load pipeline, 1 interface at the lower end of the condensed water discharge pipe is communicated with a relay water tank, and the tail end of the steam load pipeline is connected with a steam load;
the heat transfer liquid heat transfer system comprises a base water tank, a relay water tank, a circulating pump, an evaporator, a heat transfer liquid first storage tank and a heat transfer liquid second storage tank, wherein the relay water tank is communicated with the base water tank through a circulating pipeline, the circulating pump is arranged in the circulating pipeline, the evaporator is arranged in the relay water tank, one side of the relay water tank is provided with the heat transfer liquid first storage tank and the heat transfer liquid second storage tank, the heat transfer liquid first storage tank is communicated with the evaporator through a heat transfer liquid return pipeline and is connected with the front end of a heat supply load through a heat transfer liquid supply pipeline, and the heat transfer liquid second storage.
The air cooler waste heat recovery system is characterized in that the sprayer is communicated with the base water tank through a spray water supply pipeline, and the spray water supply pipeline is connected with a water supply pump to supply water to the sprayer.
The above air cooler waste heat recovery system, wherein the steam load includes but is not limited to a steam heater and an air conditioner, and its end is connected with a condensate recovery pipeline, and the condensate recovery pipeline is communicated with the relay water tank.
The air cooler waste heat recovery system is characterized in that the heat supply load comprises, but is not limited to, a boiler and a heater.
The above air cooler waste heat recovery system, wherein the heat conducting liquid feeding pipeline and the heat conducting liquid supply pipeline are both provided with pumps, and the heat conducting oil circulates along the direction of the heat conducting liquid second storage tank → the heat conducting liquid feeding pipeline → the evaporator → the heat conducting liquid return pipeline → the heat conducting liquid first storage tank → the heat supply load → the heat conducting liquid recovery pipeline → the heat conducting liquid second storage tank.
The air cooler waste heat recovery system is characterized in that an axial flow fan is arranged in the air outlet.
The air cooler waste heat recovery system further comprises an air inlet, and an opening of the air inlet is arranged obliquely upwards.
The above air cooler waste heat recovery system, wherein the waste heat recovery method of the air cooler waste heat recovery system is as follows:
when the air cooler is started, the sprayer extracts spray water from the base water tank, the tube bundles and the fin plates in the air cooler are cooled, the spray water absorbs heat, part of the spray water absorbs heat and falls back into the base water tank, and the rest of the spray water absorbs heat and evaporates to form high-temperature steam which enters the exhaust pipeline from the air outlet;
high-temperature steam entering the exhaust pipeline is sent to a steam load through a steam load pipeline for heating, and condensed water generated after heating flows back to the relay water tank through a condensed water recovery pipeline;
the heat conduction oil enters the evaporator from the heat conduction liquid second storage tank, absorbs heat for refrigerating water in the relay water tank to form high-temperature heat conduction liquid, then flows back to the heat conduction liquid first storage tank, the high-temperature heat conduction liquid in the heat conduction liquid first storage tank is sent to a heat supply load for heating, and cooling heat conduction liquid in the heating is recovered to the heat conduction liquid second storage tank and is sent to the evaporator again for continuing heat absorption and refrigeration;
the circulation of spray water is carried out through circulating line between base water tank and the relay water tank to continuously spray through the spray thrower, cool down with the fin board to the tube bank in the air cooler.
The above air cooler waste heat recovery system, wherein the high temperature steam that gets into in the exhaust duct is the minimum takes place to condense, forms the condensate water, and the condensate water gets into the condensate water discharge pipe, sends into the relay water tank.
The air cooler waste heat recovery system is characterized in that the relay water tank is provided with a water replenishing pipe and a water draining pipe, and valves are arranged on the water replenishing pipe and the water draining pipe.
The invention has the beneficial effects that:
the invention discloses an air cooler waste heat recovery system, which comprises an air cooler, wherein the air cooler comprises a sprayer, an air outlet and a base water tank, the air outlet is connected with an exhaust pipeline, the base water tank is connected with a relay water tank, the exhaust pipeline is connected with a steam load through a steam load pipeline, an evaporator is arranged in the relay water tank, and a heat conducting liquid storage tank is configured to provide a heat source for a heat supply load.
Detailed Description
FIG. 1 is a schematic view of the present invention.
In order to make the technical solution of the present invention clearer and clearer, the present invention is further described below with reference to embodiments, and any solution obtained by substituting technical features of the technical solution of the present invention with equivalents and performing conventional reasoning falls within the scope of the present invention.
Example one
An air cooler waste heat recovery system comprises an air cooler 1, wherein the air cooler 1 comprises a sprayer 2, an air outlet 3 and a base water tank 4, and is characterized in that the air outlet 3 is connected with an exhaust pipeline 5, and the base water tank 4 is communicated with a relay water tank 6;
the tail end of the exhaust pipeline 5 is communicated with a steam load pipeline 7, a condensed water discharge pipe 8 is connected between the exhaust pipeline 5 and the steam load pipeline 7, the condensed water discharge pipe 8 is U-shaped, 2 interfaces at the upper end of the condensed water discharge pipe are respectively communicated with the exhaust pipeline 5 and the steam load pipeline 7, 1 interface at the lower end of the condensed water discharge pipe is communicated with the relay water tank 6, and the tail end of the steam load pipeline 7 is connected with a steam load 9;
the relay water tank 6 is communicated with the base water tank 4 through a circulating pipeline 10, a circulating pump is arranged in the circulating pipeline 10, an evaporator 11 is arranged in the relay water tank 6, a first heat-conducting liquid storage tank 12 and a second heat-conducting liquid storage tank 13 are arranged on one side of the relay water tank 6, the first heat-conducting liquid storage tank 12 is communicated with the evaporator 11 through a heat-conducting liquid return pipeline 14 and is connected with the front end of a heat supply load 16 through a heat-conducting liquid supply pipeline 15, and the second heat-conducting liquid storage tank 13 is communicated with the evaporator 11 through a heat-conducting liquid supply pipeline 17 and is connected with the tail end of the heat supply load 16 through a heat-conducting liquid recovery pipeline 18;
wherein, the sprayer 2 is communicated with the base water tank 4 through a spray water supply pipeline 19, the spray water supply pipeline 19 is connected with a supply water pump 20, the water is supplied to the sprayer 2, the steam load 9 comprises but is not limited to a steam heater and an air conditioner, the tail end of the steam load is connected with a condensed water recovery pipeline 21, the condensed water recovery pipeline 21 is communicated with the relay water tank 6, and the heat supply load 16 comprises but is not limited to a boiler and a heater;
wherein, the heat transfer liquid feeding pipeline 17 and the heat transfer liquid supplying pipeline 15 are both provided with pumps, and the heat transfer oil circulates along the direction of the heat transfer liquid second storage tank 13 → the heat transfer liquid feeding pipeline 17 → the evaporator 11 → the heat transfer liquid return pipeline 14 → the heat transfer liquid first storage tank 12 → the heat supply load 16 → the heat transfer liquid recovery pipeline 18 → the heat transfer liquid second storage tank 13;
the air cooler 1 further comprises an air inlet 23, and an opening of the air inlet 23 is arranged obliquely upwards;
the air cooler waste heat recovery system of this embodiment for the waste heat recovery of air cooler can realize through the heat recovery to the reuse of steam and shower water, and simultaneously, the shower water is at the system inner loop, and the loss is extremely low, has practiced thrift the water.
Example two
How this air cooler waste heat recovery system carries out waste heat recovery carries out detailed sleep with this embodiment, and the waste heat recovery method is as follows:
when the air cooler is started, the sprayer extracts spray water from the base water tank, the tube bundles and the fin plates in the air cooler are cooled, the spray water absorbs heat, part of the spray water absorbs heat and falls back into the base water tank, and the rest of the spray water absorbs heat and evaporates to form high-temperature steam which enters the exhaust pipeline from the air outlet;
high-temperature steam entering the exhaust pipeline is sent to a steam load through a steam load pipeline for heating, and condensed water generated after heating flows back to the relay water tank through a condensed water recovery pipeline;
the heat conduction oil enters the evaporator from the heat conduction liquid second storage tank, absorbs heat for refrigerating water in the relay water tank to form high-temperature heat conduction liquid, then flows back to the heat conduction liquid first storage tank, the high-temperature heat conduction liquid in the heat conduction liquid first storage tank is sent to a heat supply load for heating, and cooling heat conduction liquid in the heating is recovered to the heat conduction liquid second storage tank and is sent to the evaporator again for continuing heat absorption and refrigeration;
the spraying water is circulated between the base water tank and the relay water tank through a circulating pipeline, and is continuously sprayed through a sprayer, so that the tube bundle and the fin plate in the air cooler are cooled;
in this embodiment, steam and high-temperature water that form by the air cooler heat dissipation are used for the heat gain of air conditioning equipment such as steam heater, air conditioner and heat conduction liquid respectively, wherein, heat conduction liquid is used for the heat source supply of living facilities such as boiler, heater (like hot water boiler) again, the efficiency of recycling of waste heat has been improved greatly, and, the refrigeration of shower water has also been realized, make the shower water remain throughout at suitable temperature state, the operational effect of air cooler has been guaranteed, simultaneously, the loss of shower water has also greatly reduced, the water resource has been practiced thrift.
EXAMPLE III
The utility model provides an air cooler waste heat recovery system, wherein, the high temperature vapor that gets into in the exhaust duct takes place to condense in a small amount, forms the condensate water, and the condensate water gets into in the condensate water discharging pipe, in sending into the relay tank, can effectively prevent ponding in the steam load pipeline, simultaneously, be equipped with moisturizing pipe 24 and drain pipe 25 on the relay tank, all be equipped with the valve on moisturizing pipe and the drain pipe, because the maintenance of shower water.
The invention is reasonable in design, is used for recovering waste heat of the air cooler, utilizes the waste heat of steam and spray water, saves energy consumption loss, is particularly suitable for daily use in factories and dormitories, realizes refrigeration of the spray water, keeps the spray water in a proper temperature state all the time, ensures the operation effect of the air cooler, greatly reduces the loss of the spray water and saves water resources.
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 changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The air cooler waste heat recovery system comprises an air cooler, wherein the air cooler comprises a sprayer, an air outlet and a base water tank, and is characterized in that the air outlet is connected with an exhaust pipeline, and the base water tank is communicated with a relay water tank;
the tail end of the exhaust pipeline is communicated with a steam load pipeline, a condensed water discharge pipe is connected between the exhaust pipeline and the steam load pipeline, the condensed water discharge pipe is U-shaped, 2 interfaces at the upper end of the condensed water discharge pipe are respectively communicated with the exhaust pipeline and the steam load pipeline, 1 interface at the lower end of the condensed water discharge pipe is communicated with a relay water tank, and the tail end of the steam load pipeline is connected with a steam load;
the heat transfer liquid heat transfer system comprises a base water tank, a relay water tank, a circulating pump, an evaporator, a heat transfer liquid first storage tank and a heat transfer liquid second storage tank, wherein the relay water tank is communicated with the base water tank through a circulating pipeline, the circulating pump is arranged in the circulating pipeline, the evaporator is arranged in the relay water tank, one side of the relay water tank is provided with the heat transfer liquid first storage tank and the heat transfer liquid second storage tank, the heat transfer liquid first storage tank is communicated with the evaporator through a heat transfer liquid return pipeline and is connected with the front end of a heat supply load through a heat transfer liquid supply pipeline, and the heat transfer liquid second storage.
2. The air cooler waste heat recovery system of claim 1, wherein the sprayer is communicated with the base water tank through a spray water supply pipeline, and a supply water pump is connected to the spray water supply pipeline to supply water to the sprayer.
3. The air cooler waste heat recovery system of claim 2, wherein the steam loads include, but are not limited to, steam heaters and air conditioners, and ends of the steam loads are connected with a condensate recovery pipe, and the condensate recovery pipe is communicated with the relay water tank.
4. An air cooler waste heat recovery system as claimed in claim 2 or 3 wherein the heating loads include but are not limited to boilers and heaters.
5. The air cooler waste heat recovery system according to claim 4, wherein the heat transfer fluid supply line and the heat transfer fluid supply line are provided with pumps, and the heat transfer oil circulates in a direction of the heat transfer fluid second storage tank → the heat transfer fluid supply line → the evaporator → the heat transfer fluid return line → the heat transfer fluid first storage tank → the heating load → the heat transfer fluid recovery line → the heat transfer fluid second storage tank.
6. The air cooler waste heat recovery system of claim 5, wherein an axial flow fan is disposed in the air outlet.
7. The air cooler waste heat recovery system of claim 6, wherein the air cooler further comprises an air inlet, and an opening of the air inlet is arranged obliquely upwards.
8. The air cooler waste heat recovery system as set forth in claim 6 or 7, characterized in that the waste heat recovery method of the air cooler waste heat recovery system is as follows:
when the air cooler is started, the sprayer extracts spray water from the base water tank, the tube bundles and the fin plates in the air cooler are cooled, the spray water absorbs heat, part of the spray water absorbs heat and falls back into the base water tank, and the rest of the spray water absorbs heat and evaporates to form high-temperature steam which enters the exhaust pipeline from the air outlet;
high-temperature steam entering the exhaust pipeline is sent to a steam load through a steam load pipeline for heating, and condensed water generated after heating flows back to the relay water tank through a condensed water recovery pipeline;
the heat conduction oil enters the evaporator from the heat conduction liquid second storage tank, absorbs heat for refrigerating water in the relay water tank to form high-temperature heat conduction liquid, then flows back to the heat conduction liquid first storage tank, the high-temperature heat conduction liquid in the heat conduction liquid first storage tank is sent to a heat supply load for heating, and cooling heat conduction liquid in the heating is recovered to the heat conduction liquid second storage tank and is sent to the evaporator again for continuing heat absorption and refrigeration;
the circulation of spray water is carried out through circulating line between base water tank and the relay water tank to continuously spray through the spray thrower, cool down with the fin board to the tube bank in the air cooler.
9. The air cooler waste heat recovery system of claim 8, wherein the high temperature steam entering the exhaust duct is condensed to form condensed water in a very small amount, and the condensed water enters the condensed water discharge pipe and is sent to the relay water tank.
10. The air cooler waste heat recovery system of claim 9, wherein the relay water tank is provided with a water replenishing pipe and a water draining pipe, and the water replenishing pipe and the water draining pipe are provided with valves.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020100046265 | 2020-01-03 | ||
| CN202010004626 | 2020-01-03 |
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| CN111189334A true CN111189334A (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010068776.2A Pending CN111189334A (en) | 2020-01-03 | 2020-01-21 | Air cooler waste heat recovery system |
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| CN (1) | CN111189334A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116793003A (en) * | 2023-08-28 | 2023-09-22 | 东和恩泰热能技术(江苏)有限公司 | Energy-saving air cooler cooling system |
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| CN116793003B (en) * | 2023-08-28 | 2023-11-21 | 东和恩泰热能技术(江苏)有限公司 | Energy-saving air cooler cooling system |
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Application publication date: 20200522 |
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