CN113883921A - Cross-flow type cascade spray heat exchange return air heat-taking device - Google Patents
Cross-flow type cascade spray heat exchange return air heat-taking device Download PDFInfo
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- CN113883921A CN113883921A CN202111252602.2A CN202111252602A CN113883921A CN 113883921 A CN113883921 A CN 113883921A CN 202111252602 A CN202111252602 A CN 202111252602A CN 113883921 A CN113883921 A CN 113883921A
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- 239000007921 spray Substances 0.000 title claims abstract description 132
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 238000005507 spraying Methods 0.000 claims abstract description 61
- 238000012546 transfer Methods 0.000 claims description 20
- 238000000889 atomisation Methods 0.000 claims description 16
- 230000005484 gravity Effects 0.000 claims description 15
- 238000009792 diffusion process Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 5
- 239000002918 waste heat Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
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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
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/04—Direct-contact trickle coolers, e.g. cooling towers with cross-current only
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/14—Air partitions; Air locks
- E21F1/145—Air locks
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F3/00—Cooling or drying of air
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
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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
- F28F25/06—Spray nozzles or spray pipes
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a cross-flow cascade spray heat exchange return air heat-taking device, which comprises: the outlet end of the air duct device is provided with a spraying heat exchange branch; the inlet of the spray heat exchange branch is provided with a third air channel gate valve, and is sequentially provided with a multistage front spray heat exchange loop and a final stage spray heat exchange loop, and a front spray pump of the front stage front spray heat exchange loop is arranged in a front water tank of the rear stage front spray heat exchange loop; the final stage spray heat exchange loop comprises: a final-stage atomizing nozzle, a system circulating pump and a final-stage water tank; the front spray pump of the last stage front spray heat exchange loop is arranged in the final stage water tank, and the water treatment instrument assembly is communicated with the front water tank of the first stage front spray heat exchange loop. The mine return air waste heat can be effectively recovered, and the effects of purifying and reducing noise of the mine return air flow are achieved.
Description
Technical Field
The invention relates to the field of mine return air waste heat utilization, in particular to a cross-flow cascade spray heat exchange return air heat-taking device.
Background
At present, the utilization of the waste heat of the return air of the mine is more and more emphasized, the traditional spray-type heat exchange heat collector is set into primary countercurrent heat exchange, waste heat resources cannot be completely extracted and scientifically and efficiently utilized, namely the effective recovery of the waste heat of the return air of the mine cannot be realized, and the heat exchange efficiency needs to be further improved; meanwhile, the traditional spray type heat exchange heat extractor does not play a role in purifying and reducing noise of the mine return air flow.
Aiming at the requirements of China on energy conservation and emission reduction and the requirement of improving the energy utilization rate, the heat exchange efficiency of the return air heat exchanger is improved, the return air heat exchange temperature difference is increased, and the improvement of the outlet water temperature after heat exchange has important significance on the recovery of mine return air.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a cross-flow cascade spray heat exchange return air and heat extraction device which can realize the effects of purifying and reducing noise of a mine return air flow while effectively recovering the waste heat of the mine return air. Effectively utilize the energy in the mine return air, improve the utilization ability of mine waste heat, improve the shower water heat transfer temperature.
In order to achieve the above object, the present invention provides a cross-flow cascade spray heat exchange return air heat-extracting device, comprising: the inlet end of the air channel device is provided with a first air channel gate valve and is communicated with an air outlet of the diffusion tower; the outlet end of the air duct device is provided with a spraying heat exchange branch; the entry that sprays the heat transfer branch road is provided with the third wind channel gate valve to multistage anterior heat transfer loop that sprays and the final stage heat transfer loop that sprays have set gradually, the anterior heat transfer loop that sprays at all levels all includes: anterior spray set and anterior water tank, anterior spray set includes: the front spray pump of the front spray heat exchange loop of the front stage is arranged in the front water tank of the front spray heat exchange loop of the rear stage; the final stage spray heat exchange loop comprises: a final-stage atomizing nozzle, a system circulating pump and a final-stage water tank; the front spray pump of the last stage front spray heat exchange loop is arranged in the final stage water tank, and the water treatment instrument assembly is communicated with the front water tank of the first stage front spray heat exchange loop; cold return water enters the final-stage atomizing spray head through the system circulating pump, absorbs return air heat of a low-temperature section after atomization spray heat exchange, enters the final-stage water tank by gravity, enters the front atomizing spray head of the front-stage spraying heat exchange loop after atomization spray heat exchange and absorbs return air heat of a medium-temperature section through the front spray pump of the front-stage spraying heat exchange loop, enters the front water tank of the front-stage spraying heat exchange loop by gravity, enters the front atomizing spray head of the front-stage spraying heat exchange loop after atomization spray heat exchange and absorbs return air heat of a high-temperature section through the front spray pump of the front-stage spraying heat exchange loop, enters the front water tank of the front-stage spraying heat exchange loop by gravity, and enters the water treatment instrument assembly for purification and filtration after heat exchange is completed in the front-stage spraying heat exchange loop, and then enters the heat pump and other units for heat release, and then circularly exchanging heat through a circulating pump of the system.
In an embodiment of the present invention, a straight-through branch parallel to the spray heat exchange branch is further formed at the outlet end of the air duct device; and a second air duct gate valve is arranged at the outlet of the straight-through branch.
In one embodiment of the present invention, the second duct gate valve is disposed directly above the first duct gate valve.
In one embodiment of the present invention, the second duct gate valve is located at the top of the duct apparatus.
In one embodiment of the invention, the front spray heat exchange loop is two stages.
In an embodiment of the invention, first water baffles are arranged between the front spraying heat exchange loops of each stage and between the front spraying heat exchange loop of the last stage and the spraying heat exchange loop of the last stage.
In an embodiment of the present invention, a second water baffle is disposed on the outlet side of the final stage spray heat exchange loop.
Compared with the prior art, the three-stage spray heat exchanger arranged on the cross-flow type step spray heat exchange return air heat taking device realizes cross flow heat exchange with return air flow, and the three-stage spray heat exchange device thoroughly realizes countercurrent cross heat exchange with the return air, so that the outlet water temperature after spray heat exchange is higher than the exhaust air temperature of the return air, the efficiency of a spray heat exchange system is greatly improved, and the operation efficiency is higher compared with that of a single-stage countercurrent heat exchanger. Meanwhile, the device has the functions of purifying and reducing noise for the mine return air flow.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural view of a cross-flow cascade spray heat exchange return air heat-extraction device according to an embodiment of the invention;
description of the main reference numerals:
1. a return air diffusion tower; 2. a first duct gate valve; 3. a second duct gate valve; 4. a third duct gate valve; 5. a primary spray device; 6. a first set of atomizer nozzles; 7. a first water baffle; 8. a secondary spraying device; 9. a second set of atomizer nozzles; 10. a second water baffle; 11. a third stage spray device; 12. a third group of atomizer nozzles; 13. a third water baffle; 14. an air duct device; 15. a third water tank; 16. a second spray pump; 17. a second water tank; 18. a first spray pump; 19. a first water tank; 20. a water treatment instrument assembly; 21. and (4) circulating a system circulating pump.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, 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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.
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 application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1:
fig. 1 is a schematic structural diagram of a cross-flow cascade spray heat exchange return air heat-extraction device according to an embodiment of the invention; this cross-flow cascade sprays heat transfer return air and gets heat facility when abundant effectual utilization mine return air stream heat energy, reduces return air system operating noise, avoids dust diffusion in the return air system, possess adverse current cascade waste heat recovery device flow, and the leaving water temperature is higher than the function of the temperature of airing exhaust after realizing the heat transfer, improves return air heat exchanger heat exchange efficiency, improves the wind current velocity field, possess the stable heat transfer runner, reduces waste heat utilization system's working costs, realizes energy saving and emission reduction's purpose.
The cross-flow cascade spray heat exchange return air heat-taking device according to the preferred embodiment of the invention comprises: the air return heat exchanger comprises a return air diffusion tower 1, an air duct device 14, a water treatment instrument assembly 20, and a first stage spraying heat exchange loop, a second stage spraying heat exchange loop and a third stage spraying heat exchange loop which are arranged in the air duct device 14. Cold backwater enters a third group of atomizing spray nozzles through a system circulating pump of a third stage spray heat exchange loop, after the cold backwater absorbs low-temperature section return air heat through atomization spray heat exchange, the cold backwater enters a third water tank by virtue of gravity, then enters a second group of atomizing spray nozzles through a second spray pump of the second stage spray heat exchange loop, after the middle-temperature section return air heat is absorbed through atomization spray heat exchange, the cold backwater enters the second water tank by virtue of gravity, then enters a first group of atomizing spray nozzles through a first spray pump of the first stage spray heat exchange loop, after the high-temperature section return air heat is absorbed through atomization spray heat exchange, the cold backwater enters a first water tank by virtue of gravity, hot water after heat exchange enters a water treatment instrument assembly for purification and filtration treatment, then enters heat pumps and other units for heat release, and then passes through the system circulating pump for circulating heat exchange.
Specifically, the inlet end of the air duct device 14 is provided with a first air duct gate valve 2, and is communicated with the air outlet of the original diffusion tower 1. The outlet end of the air duct device 14 forms two branches, the outlet of one branch is provided with a second air duct gate valve 3, the first stage spraying heat exchange loop, the second stage spraying heat exchange loop and the third stage spraying heat exchange loop are sequentially arranged in the other branch, and the inlet of the other branch is provided with a third air duct gate valve 4. During the stop operation of the heat exchange device: and the third air duct gate valve 4 is closed, the first air duct gate valve 2 and the second air duct gate valve 3 are opened, the mine return air flow is directly discharged outwards, the mine return air flow does not enter the spraying heat exchange system, and the spraying heat exchange system stops running. During the starting and working period of the heat exchange device: the third air duct gate valve 4 is opened, the first air duct gate valve 2 is opened, and the second air duct gate valve 3 is closed; mine return air flows through a first air duct gate valve 2, a third air duct gate valve 4, a first-stage spraying device 5, a second-stage spraying device 8 and a third-stage spraying device 11 in sequence to exchange heat, hot water after heat exchange enters a water treatment instrument assembly 20 to be subjected to purification and filtration treatment and then enters units such as a heat pump to release heat, and then the hot water is subjected to circulating heat exchange through a system circulating pump 21. Three different air brakes arranged in the cross-flow type step spraying heat exchange return air heat taking device can be switched to operate, so that the air channel gate valve can be linked to start and stop according to the operation of the heat exchange device, the spraying heat exchange device is isolated when the heat exchange device is not used or when the air channel runs against the wind, the normal operation of the system is not influenced, and the safe and reliable operation of a ventilation system is guaranteed.
Preferably, the second duct gate valve 3 is disposed directly above the first duct gate valve 2 and at the top of the duct unit 14.
The first stage spray heat exchange loop is arranged at the inlet side of the other branch of the outlet end of the air duct device 14 and comprises: one-level spray set 5, first water tank 19 and first breakwater 7, one-level spray set 5 includes: a first set of atomising nozzles 6 and a first spray pump 18.
The second level sprays the low reaches that the heat transfer loop set up at first level and sprays the heat transfer loop, separates through first breakwater 7, and the second level sprays the heat transfer loop and includes: the secondary spraying device 8, the second water tank 17 and the second water baffle 10, and the first spraying pump 18 is arranged in the second water tank 17; the secondary spray device 8 includes: a second group of atomizer nozzles 9 and a second spray pump 16.
The third stage spray heat exchange loop comprises: the three-stage spraying device 11, the third water tank 15 and the third water baffle 13, and the second spraying pump 16 is arranged in the third water tank 15; the tertiary spray device 11 includes: a third set of atomising nozzles 12 and a system circulation pump 21.
The water treatment instrument assembly 20 is in communication with the first tank 19. Cold return water enters the third group of atomizing nozzles 12 through the system circulating pump 21, is subjected to atomization spraying heat exchange to absorb return air heat in a low-temperature section, then enters the third water tank 15 by gravity, then enters the second group of atomizing nozzles 9 by the second spraying pump 16, is subjected to atomization spraying heat exchange to absorb return air heat in a medium-temperature section, then enters the second water tank 17 by gravity, then enters the first group of atomizing nozzles 6 by the first spraying pump 18, is subjected to atomization spraying heat exchange to absorb return air heat in a high-temperature section, and then enters the first water tank 19 by gravity, hot water after heat exchange enters the water treatment instrument assembly 20, is subjected to purification and filtration treatment, then enters units such as a heat pump to release heat, and then is subjected to circulating heat exchange through the system circulating pump 21.
The working process of the cross-flow cascade spray heat exchange return air heat taking device is as follows:
during the stop operation of the heat exchange device: and the third air duct gate valve 4 is closed, the first air duct gate valve 2 and the second air duct gate valve 3 are opened, the mine return air flow is directly discharged outwards, the mine return air flow does not enter the spraying heat exchange system, and the spraying heat exchange system stops running.
During the starting and working period of the heat exchange device: the third air duct gate valve 4 is opened, the first air duct gate valve 2 is opened, and the second air duct gate valve 3 is closed; the mine return air flow sequentially passes through a first air duct gate valve 2, a third air duct gate valve 4, a primary spraying device 5, a secondary spraying device 8 and a tertiary spraying device 11; the mine return air flow is subjected to primary cooling and heat release in the primary spraying device 5, then enters the secondary spraying device 8 for secondary cooling, enters the tertiary spraying device 11 again for final third cooling and heat release, and is discharged through the air duct device 14. Cold return water after system heat utilization enters a third group of atomizing nozzles 12 through a system circulating pump 21, after atomization spraying heat exchange absorbs low-temperature section return air heat, the cold return water enters a third water tank 15 by means of gravity, then enters a second group of atomizing nozzles 9 by means of a second spraying pump 16, after atomization spraying heat exchange absorbs medium-temperature section return air heat, enters a second water tank 17 by means of gravity, then enters a first group of atomizing nozzles 7 by means of a first spraying pump 18, after atomization spraying heat exchange absorbs high-temperature section return air heat, enters a first water tank 19 by means of gravity, hot water after heat exchange enters a water treatment instrument assembly 20, is purified and filtered, then enters heat pumps and other units for heat release, and then circularly exchanges heat through the system circulating pump 21.
In conclusion, the tertiary spray heat exchanger arranged on the tertiary cross-flow cascade spray heat exchange return air heat taking device realizes cross flow heat exchange with return air flow, spray water firstly enters the tertiary spray device, enters the secondary spray device again after heat exchange, enters the primary spray heat exchange device again after heat exchange of the secondary spray device for heat exchange, mine return air sequentially enters the primary spray device, the secondary spray device and the tertiary spray device, the tertiary spray heat exchange system performs pure countercurrent heat exchange with return air, and single-stage heat exchange performs cross flow heat exchange with return air flow. The three-stage spray heat exchange device thoroughly realizes that the temperature of the outlet water after spray heat exchange is higher than the exhaust temperature of the return air after the countercurrent cross type heat exchange with the return air, and the efficiency of the spray heat exchange system is greatly improved and is higher than the operating efficiency of a single-stage countercurrent heat exchanger. The cross-flow type cascade spraying heat exchange return air heat taking device is provided with the three-level water tanks respectively by the three-level spraying heat exchange system, the water temperature of the spraying heat exchange system is increased gradually, the return air flow is cooled gradually by the three-level spraying heat exchange system, waste heat resources in the return air flow are fully recovered, the circulating water pump arranged in a grading mode only needs to overcome self height difference and spray head atomization pressure, power consumption is low, and operating cost is greatly saved for other waste heat exchange systems. The cross-flow cascade spray heat exchange return air heat taking device fully sprays and cleans return air flow by arranging a three-level spray heat exchange system, so that most of dust-containing substances in the return air flow are purified and absorbed, and the cross-flow cascade spray heat exchange return air heat taking device plays a positive role in treating the atmospheric environment relative to the original direct discharge system. The different storage tanks that set up have avoided the temperature after the heat transfer of different heat transfer device to carry out the secondary and mix, ensure that the temperature risees step by step after the heat transfer, and the clean operation of user end unit has been ensured to the processing of getting into water treatment instrument subassembly once more after the high temperature water after the heat transfer deposits in first water tank. The three-stage water baffle plates play a role in blocking water and separating water in different stages, and effectively reduce the elegant water mist and the air blowing loss. The heat exchange process of the cross-flow cascade spray heat exchange return air heat-taking device is air-water countercurrent cross heat exchange, on one hand, the heat-taking recycling effect is achieved in winter, on the other hand, the cross-flow cascade spray heat exchange return air heat-taking device can be regarded as a cooling tower to operate when refrigeration is needed in summer, the cross-flow cascade spray heat exchange return air heat-taking device greatly reduces investment for environmental places which have refrigeration in summer and heating operation in winter, simplifies the system and reduces operation cost. .
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a cross-flow formula cascade sprays heat transfer return air and gets heat facility which characterized in that includes:
the inlet end of the air channel device is provided with a first air channel gate valve and is communicated with an air outlet of the diffusion tower; the outlet end of the air duct device is provided with a spraying heat exchange branch; the entry that sprays the heat transfer branch road is provided with the third wind channel gate valve to multistage anterior heat transfer loop that sprays and the final stage heat transfer loop that sprays have set gradually, the anterior heat transfer loop that sprays at all levels all includes: anterior spray set and anterior water tank, anterior spray set includes: the front spray pump of the front spray heat exchange loop of the front stage is arranged in the front water tank of the front spray heat exchange loop of the rear stage; the final stage spray heat exchange loop comprises: a final-stage atomizing nozzle, a system circulating pump and a final-stage water tank; a front spray pump of a last-stage front spray heat exchange loop is arranged in the final-stage water tank, an
The water treatment instrument assembly is communicated with a front water tank of the first-stage front spraying heat exchange loop; cold return water enters the final-stage atomizing spray head through the system circulating pump, absorbs return air heat of a low-temperature section after atomization spray heat exchange, enters the final-stage water tank by gravity, enters the front atomizing spray head of the front-stage spraying heat exchange loop after atomization spray heat exchange and absorbs return air heat of a medium-temperature section through the front spray pump of the front-stage spraying heat exchange loop, enters the front water tank of the front-stage spraying heat exchange loop by gravity, enters the front atomizing spray head of the front-stage spraying heat exchange loop after atomization spray heat exchange and absorbs return air heat of a high-temperature section through the front spray pump of the front-stage spraying heat exchange loop, enters the front water tank of the front-stage spraying heat exchange loop by gravity, and enters the water treatment instrument assembly for purification and filtration after heat exchange is completed in the front-stage spraying heat exchange loop, and then enters the heat pump and other units for heat release, and then circularly exchanging heat through a circulating pump of the system.
2. The cross-flow cascade spray heat exchange return air heat-extracting device as claimed in claim 1, wherein the outlet end of the air duct device is further formed with a straight branch parallel to the spray heat exchange branch; and a second air duct gate valve is arranged at the outlet of the straight-through branch.
3. The cross-flow cascade spray heat exchange return air heat removal device of claim 2, wherein the second air duct gate valve is disposed directly above the first air duct gate valve.
4. The cross-flow cascade spray heat exchange return air heat removal device of claim 3, wherein the second air duct gate valve is located at the top of the air duct device.
5. The cross-flow cascade spray heat exchange return air heat removal device of claim 1, wherein the front spray heat exchange loop is two-stage.
6. The cross-flow cascade spray heat exchange return air heat-extracting device as claimed in claim 1, wherein first water baffles are arranged between the front spray heat exchange loops of each stage and between the front spray heat exchange loop of the last stage and the spray heat exchange loop of the last stage.
7. The cross-flow cascade spray heat exchange return air heat-extracting device as claimed in claim 6, wherein the outlet side of the final stage spray heat exchange loop is provided with a second water baffle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111252602.2A CN113883921A (en) | 2021-10-27 | 2021-10-27 | Cross-flow type cascade spray heat exchange return air heat-taking device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111252602.2A CN113883921A (en) | 2021-10-27 | 2021-10-27 | Cross-flow type cascade spray heat exchange return air heat-taking device |
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| CN113883921A true CN113883921A (en) | 2022-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117073413A (en) * | 2023-10-16 | 2023-11-17 | 江苏纳奇机电设备工程有限公司 | Mine wind return air cascade heat-taking device utilizing waste heat of ventilation air |
-
2021
- 2021-10-27 CN CN202111252602.2A patent/CN113883921A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117073413A (en) * | 2023-10-16 | 2023-11-17 | 江苏纳奇机电设备工程有限公司 | Mine wind return air cascade heat-taking device utilizing waste heat of ventilation air |
| CN117073413B (en) * | 2023-10-16 | 2023-12-29 | 江苏纳奇机电设备工程有限公司 | Mine wind return air cascade heat-taking device utilizing waste heat of ventilation air |
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