CN115404296A - Air dehumidifying device - Google Patents
Air dehumidifying device Download PDFInfo
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- CN115404296A CN115404296A CN202211084075.3A CN202211084075A CN115404296A CN 115404296 A CN115404296 A CN 115404296A CN 202211084075 A CN202211084075 A CN 202211084075A CN 115404296 A CN115404296 A CN 115404296A
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- air
- heat exchange
- air dehumidifying
- gas
- liquid
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 238000001816 cooling Methods 0.000 claims abstract description 65
- 238000012546 transfer Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims description 131
- 238000000926 separation method Methods 0.000 claims description 60
- 238000005192 partition Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 10
- 238000007791 dehumidification Methods 0.000 description 18
- 239000010410 layer Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B9/00—Stoves for heating the blast in blast furnaces
- C21B9/16—Cooling or drying the hot-blast
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Drying Of Gases (AREA)
Abstract
The invention provides an air dehumidifying device, which comprises an air dehumidifying room and a heat exchange structure arranged in the air dehumidifying room; an air inlet is formed at one side of the air dehumidifying room, and an air outlet is formed at the other side of the air dehumidifying room; the heat exchange structure comprises more than two layers of heat exchange main bodies which are stacked from bottom to top along the height direction of the air dehumidifying room; every layer the heat transfer main part all includes first cooling heat transfer unit and the second cooling heat transfer unit that sets gradually along the air feed direction at least, just the temperature of the refrigerated water in the first cooling heat transfer unit is higher than the temperature of the refrigerated water in the second cooling heat transfer unit. The invention has the advantages that: the multistage cooling heat exchange units with gradually reduced temperatures are adopted to carry out gradual heat exchange on the air to be dehumidified, so that the cooling effect on the air can be improved; through the mode of multilayer erects, can effectively reduce the area of whole air dehumidifying device, and only need set up one set of air dehumidifying device and just can satisfy the user demand of blast furnace.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of heat exchange equipment, in particular to an air dehumidifying device.
[ background of the invention ]
The blast furnace adopts blast dehumidification technology to reduce and stabilize the air humidity at a certain humidity value, thus achieving the purposes of stabilizing the furnace condition, reducing the coke ratio and improving the pig iron yield.
In the prior art, a refrigeration dehumidification process is adopted to dehumidify air before entering a blast furnace blower, namely chilled water is prepared by a water chiller, the chilled water is conveyed into a dehumidifier arranged at an inlet of the blast furnace blower, the dehumidifier is used for cooling the air to separate out water vapor in the air, the separated condensed water is discharged out of the dehumidifier, the dehumidification purpose can be achieved, and the dehumidified air can be introduced into a blast furnace for melting iron after being heated to 1400 ℃.
At present, there is various dehumidifier on the market, for example, application date is 20151230, chinese utility model patent that application number is CN201521130209.6 discloses a blast furnace blast dehumidification system, including air cleaner, dehumidification case, collecting box and refrigerating system, the air by air cleaner gets into, air cleaner connects the front portion of dehumidification case, the air-blower is connected the rear portion of dehumidification case, the middle part of dehumidification case with refrigerating system connects, the collecting box with the bottom of the dehumidification case is connected, the utility model discloses a blast furnace blast dehumidification system can utilize water resource recovery, reduces water resource consumption, reduces the cost of dehumidification. However, the existing dehumidifier has the following disadvantages: 1. generally, only a single-stage heat exchange tube bundle is arranged for heat exchange, so that the heat exchange effect is poor, and the dehumidification effect of air is poor; 2. the air quantity that a single dehumidifier can handle is limited, and the air quantity required by the blast furnace is large, so in order to meet the use requirement of the blast furnace, a plurality of dehumidifiers are required to be arranged in a matching way, and the occupied area is large, and the cost is high. In view of the above problems, the present inventors have conducted extensive studies and have made the present invention.
[ summary of the invention ]
The invention aims to solve the technical problem of providing an air dehumidifying device, and solves the problems of large occupied area and high cost caused by the fact that an existing dehumidifier is poor in dehumidifying effect and needs to be matched with a plurality of dehumidifiers.
The invention is realized by the following steps: an air dehumidifying device comprises an air dehumidifying room and a heat exchange structure arranged in the air dehumidifying room; an air inlet is formed at one side of the air dehumidifying room, and an air outlet is formed at the other side of the air dehumidifying room;
the heat exchange structure comprises more than two layers of heat exchange main bodies which are stacked from bottom to top along the height direction of the air dehumidifying room; every layer the heat transfer main part all includes first cooling heat transfer unit and the second cooling heat transfer unit that sets gradually along the air feed direction at least, just the temperature of the refrigerated water in the first cooling heat transfer unit is higher than the temperature of the refrigerated water in the second cooling heat transfer unit.
Further, a gas-liquid separation structure is arranged between the air outlet and the heat exchange structure in the air dehumidifying room.
Further, the gas-liquid separation structure comprises a separator support frame and a plurality of gas-liquid separation units which are sequentially arranged on the separator support frame from bottom to top; a liquid collecting tank is arranged on the separator supporting frame corresponding to each gas-liquid separation unit, and the liquid collecting tank is positioned on one side close to the air outlet; the separator support frame is provided with a plurality of liquid conveying pipelines which penetrate through the liquid collecting grooves from bottom to top, and each liquid conveying pipeline corresponds to each layer of the liquid collecting grooves, and water inlet openings communicated with the liquid collecting grooves are formed in the liquid collecting grooves.
Furthermore, each gas-liquid separation unit comprises a gas-liquid separation plate and a water collecting wire mesh; the gas-liquid separation plate is obliquely arranged on the separator support frame, and the lower end of the gas-liquid separation plate is connected with the liquid collecting tank; the water collecting wire net is horizontally arranged on the separator supporting frame, and the upper end of the gas-liquid separation plate is connected with the water collecting wire net.
Further, the air dehumidifying room also comprises a main body supporting frame fixedly arranged in the air dehumidifying room; the heat exchange structure comprises 3 layers of heat exchange main bodies fixedly arranged on the main body supporting frame from bottom to top.
Further, the first cooling heat exchange unit comprises a first front end pipe box, a first rear end pipe box and a first heat exchange pipe bundle communicated with the first front end pipe box and the first rear end pipe box; the first front-end pipe box is internally divided into a first inlet chamber and a first outlet chamber through a first partition plate, and a first chilled water inlet communicated with the first inlet chamber and a first chilled water outlet communicated with the first outlet chamber are arranged outside the first front-end pipe box.
Further, the second cooling heat exchange unit comprises a second front end pipe box, a second rear end pipe box and a second heat exchange pipe bundle which is communicated with the second front end pipe box and the second rear end pipe box; the interior of the second front-end tube box is divided into a second inlet chamber and a second outlet chamber by a second partition plate, and a second chilled water inlet communicated with the second inlet chamber and a second chilled water outlet communicated with the second outlet chamber are arranged outside the second front-end tube box.
Furthermore, the upper ends of the first rear-end pipe box and the second rear-end pipe box are both provided with an exhaust interface, and the lower ends of the first rear-end pipe box and the second rear-end pipe box are both provided with a liquid drainage interface.
Furthermore, at least two layers of operating platforms are arranged at two ends of the air dehumidifying room from bottom to top, and the two adjacent layers of operating platforms are connected through stairs.
By adopting the technical scheme of the invention, the invention at least has the following beneficial effects:
1. the designed heat exchange main body at least comprises a first cooling heat exchange unit and a second cooling heat exchange unit which are sequentially arranged along the air conveying direction, and the temperature of the frozen water in the first cooling heat exchange unit is higher than that of the frozen water in the second cooling heat exchange unit; after the air to be dehumidified enters the air dehumidifying room, the first cooling heat exchange unit with higher temperature can be used for firstly carrying out primary heat exchange on the air to be dehumidified, so that the temperature of the air to be dehumidified is reduced; then the air to be dehumidified after primary heat exchange enters a second cooling heat exchange unit for secondary heat exchange, so that the temperature of the air to be dehumidified is further reduced; the multi-stage cooling heat exchange unit with the gradually reduced temperature is used for gradually exchanging heat for the air to be dehumidified, so that the temperature of the air to be dehumidified is gradually reduced, the cooling effect on the air can be improved, and the air is better dehumidified.
2. Adopt the air dehumidification room to dehumidify the air to by supreme range upon range of heat transfer main part more than two-layer down is provided with in the air dehumidification room, through the mode that this kind of multilayer was erect, not only can effectively reduce whole air dehumidification device's area, the air quantity that can handle moreover is great, only needs to set up one set of air dehumidification device and just can satisfy the user demand of blast furnace, helps reducing overall cost.
3. The moist air after the cooling can carry out gas-liquid separation through the back of gas-liquid separation board earlier, gets into again and receives the water silk screen and carry out further gas-liquid separation, through gas-liquid separation board and the combination of receiving the water silk screen, can effectively promote the gas-liquid separation effect.
4. Through set up many liquid conveying pipeline on the separator support frame, not only can in time drain away the liquid in the liquid collecting vat more fast like this, liquid conveying pipeline itself is also a part of separator support frame moreover, sets up many liquid conveying pipeline and can play the supporting role better to guarantee the stability of whole gas-liquid separation structure.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a front view of the air dehumidifying apparatus of the present invention;
FIG. 2 is a top view of the air dehumidifying apparatus of the present invention;
FIG. 3 is a side view of the heat exchange structure of the present invention;
FIG. 4 is a top view of the heat exchange structure of the present invention;
FIG. 5 is a structural view of a gas-liquid separation structure in the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 5;
FIG. 7 is an enlarged view of the portion B in FIG. 5;
FIG. 8 is a view showing a connection structure of a gas-liquid separation plate and a liquid collecting tank in the present invention.
Description of the reference numerals:
an air dehumidifying apparatus 100;
an air dehumidifying room 1, an air inlet 11 and an air outlet 12;
the heat exchange structure 2, the heat exchange body 21, the first cooling heat exchange unit 211, the first front-end header 2111, the first rear-end header 2112, the first heat exchange tube bundle 2113, the first partition plate 2114, the first inlet chamber 2115, the first outlet chamber 2116, the first chilled water inlet 2117, the first chilled water outlet 2118, the second cooling heat exchange unit 212, the second front-end header 2121, the second rear-end header 2122, the second heat exchange tube bundle 2123, the second partition plate 2124, the second inlet chamber 2125, the second outlet chamber 2126, the second chilled water inlet 2127, the second chilled water outlet 2128, the exhaust interface 213 and the liquid discharge interface 214;
the device comprises a gas-liquid separation structure 3, a separator support frame 31, a gas-liquid separation unit 32, a gas-liquid separation plate 321, a wire mesh support part 3211, a water collecting wire mesh 322, a limiting outer frame 3221, a liquid collecting tank 33, a liquid conveying pipeline 34 and a water inlet opening 341;
a main body support frame 4;
a first chilled water supply main pipe 51, a first chilled water return main pipe 52;
an operation platform 6, a staircase 61.
[ detailed description ] A
For a better understanding of the technical aspects of the present invention, reference will now be made in detail to the embodiments of the present invention, which are illustrated in the accompanying drawings.
It should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience in describing the embodiments and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be configured and operated in a specific orientation. Furthermore, the terms "first", "second", etc. 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," "second," etc. may explicitly or implicitly include one or more of that feature.
Referring to fig. 1 to 8, an air dehumidifying apparatus 100 according to the present invention includes an air dehumidifying room 1 and a heat exchanging structure 2 disposed in the air dehumidifying room 1; an air inlet 11 is formed at one side of the air dehumidifying room 1, and an air outlet 12 is formed at the other side of the air dehumidifying room 1; when the air dehumidifying device is used, air to be dehumidified enters the air dehumidifying room 1 from the air inlet 11, and after heat exchange and dehumidification are carried out through the heat exchange structure 2, the air meeting the requirements is sent out through the air outlet 12.
The heat exchange structure 2 comprises more than two layers of heat exchange main bodies 21 which are stacked from bottom to top along the height direction of the air dehumidifying room 1; each layer of the heat exchange main body 21 at least includes a first cooling heat exchange unit 211 and a second cooling heat exchange unit 212 which are sequentially arranged along the air conveying direction, and the temperature of the chilled water in the first cooling heat exchange unit 211 is higher than that of the chilled water in the second cooling heat exchange unit 212, and certainly, if more stages of cooling heat exchange units are arranged, the temperature of the chilled water in the cooling heat exchange unit of the next stage needs to be lower than that of the chilled water in the cooling heat exchange unit of the previous stage.
By adopting the technical scheme of the invention, the invention at least has the following beneficial effects:
1. the heat exchange main body 21 at least comprises a first cooling heat exchange unit 211 and a second cooling heat exchange unit 212 which are sequentially arranged along the air conveying direction, and the temperature of the frozen water in the first cooling heat exchange unit 211 is higher than that of the frozen water in the second cooling heat exchange unit 212; after the air to be dehumidified enters the air dehumidifying room 1, the first cooling heat exchange unit 211 with higher temperature can be used for first-stage heat exchange on the air to be dehumidified, so that the temperature of the air to be dehumidified is reduced; then, the air to be dehumidified after the primary heat exchange enters the second cooling heat exchange unit 212 again for secondary heat exchange, so that the temperature of the air to be dehumidified is further reduced; treat the dehumidified air through adopting the multistage cooling heat transfer unit that this kind of temperature reduced step by step and carry out the heat transfer step by step for the temperature of treating the dehumidified air reduces step by step, can promote the cooling effect to the air, and then better realization dehumidifies the air.
2. Adopt air dehumidifying room 1 to dehumidify the air to by lower supreme range upon range of heat transfer main part 21 more than two-layer that is provided with in air dehumidifying room 1, through the mode that this kind of multilayer was erect, not only can effectively reduce whole air dehumidifying device 100's area, the air quantity that moreover can handle is bigger, only needs to set up one set of air dehumidifying device 100 and just can satisfy the user demand of blast furnace, helps reducing overall cost.
In the preferred embodiment of the invention, a gas-liquid separation structure 3 is arranged in the air dehumidifying chamber 1 between the air outlet 12 and the heat exchange structure 2. By arranging the gas-liquid separation structure 3 between the air outlet 12 and the heat exchange structure 2, the damp air after heat exchange can enter the gas-liquid separation structure 3 for gas-liquid separation, and the dehumidification effect is realized.
As a specific embodiment of the present invention, the gas-liquid separation structure 3 includes a separator support frame 31 and a plurality of gas-liquid separation units 32 sequentially arranged on the separator support frame 31 from bottom to top; a liquid collecting tank 33 is arranged on the separator support frame 31 corresponding to each gas-liquid separation unit 32, the liquid collecting tank 33 is positioned at one side close to the air outlet 12, and when the separator support frame is used, liquid separated by the gas-liquid separation units 32 can directly flow into the liquid collecting tank 33; the separator support frame 31 is a stainless steel support frame, so that the support strength can be ensured, and the separator support frame 31 is not easy to rust and damage in the using process.
The separator support frame 31 is provided with a plurality of liquid conveying pipelines 34 which penetrate through the liquid collecting grooves 33 from bottom to top, each liquid conveying pipeline 34 corresponding to each layer of the liquid collecting grooves 33 is provided with a water inlet opening 341 communicated with the liquid collecting groove 33, so that liquid separated by each gas-liquid separation unit 32 can directly enter the liquid conveying pipelines 34 through the water inlet openings 341 after flowing into the liquid collecting grooves 33, and the liquid is discharged out in time through the liquid conveying pipelines 34.
In the preferred embodiment of the invention, each gas-liquid separation unit 32 includes a gas-liquid separation plate 321 and a water collecting wire mesh 322; the gas-liquid separation plate 321 is obliquely arranged on the separator support frame 31, and the lower end of the gas-liquid separation plate 321 is connected with the liquid collecting tank 33; the water collecting wire net 322 is horizontally arranged on the separator support frame 31, and the upper end of the gas-liquid separation plate 321 is connected with the water collecting wire net 322. The gas-liquid separation plate 321 is made of stainless steel, so that rusting and damage are not easy to occur in the using process; the water collecting wire mesh 322 adopts the existing wire mesh demister structure, and will not be described in detail here.
When the gas-liquid separation unit 32 of the present invention works specifically, after entering the separator support frame 31, the moist air that has been subjected to heat exchange and temperature reduction by the heat exchange main body 21 first collides with the back of the gas-liquid separation plate 321, so that a part of water droplets adheres to the back of the gas-liquid separation plate 321; then the damp air will continue to enter the water collecting wire mesh 322 downwards, so that the moisture carried in the air is intercepted by the water collecting wire mesh 322, and the air is sent out from the air outlet 12 after passing through the water collecting wire mesh 322; meanwhile, water drops on the back surface of the gas-liquid separation plate 321 gradually become larger and fall onto the water collecting wire mesh 322 under the action of self gravity, water drops in the water collecting wire mesh 322 also gradually become larger and fall onto the top surface of the gas-liquid separation plate 321 below under the action of self gravity, and the water drops falling onto the top surface of the gas-liquid separation plate 321 are rapidly collected into the liquid collecting tank 33 along the slope due to the inclined arrangement of the gas-liquid separation plate 321.
By adopting the design of the gas-liquid separation structure 3, the invention at least has the following beneficial effects:
1. the cooled humid air can be subjected to gas-liquid separation through the back of the gas-liquid separation plate 321, then enters the water collecting wire mesh 322 to be subjected to further gas-liquid separation, and the gas-liquid separation effect can be effectively improved through the combination of the gas-liquid separation plate 321 and the water collecting wire mesh 322.
2. Through set up many liquid conveying pipeline 34 on separator support frame 31, not only can in time drain away the liquid in the liquid collecting vat 33 more fast like this, liquid conveying pipeline 34 itself is also partly of separator support frame 31 moreover, sets up many liquid conveying pipeline 34 and can play the supporting role better to guarantee the stability of whole gas-liquid separation structure 3.
In the preferred embodiment of the present invention, the gas-liquid separating plate 321 and the liquid collecting tank 33 are integrally formed, so that the gas-liquid separating plate 321 and the liquid collecting tank 33 can be reliably combined together, and the separated liquid can be ensured to flow into the liquid collecting tank 33 better.
In the preferred embodiment of the invention, a wire mesh support portion 3211 is formed at the upper end of each gas-liquid separating plate 321, and the bottom of the water collecting wire mesh 322 of the gas-liquid separating unit 32 located at the upper layer is supported on the wire mesh support portion 3211 of the gas-liquid separating unit 32 located at the lower side. The water collecting wire mesh 322 is provided with a limiting outer frame 3221, one end of the limiting outer frame 3221 is fixed on the liquid collecting tank 33, and the other end of the limiting outer frame 3221 is fixed on the separator support frame 31, so that the gas-liquid separating plate 321 and the liquid collecting tank 33 are integrally formed, and therefore, moist air can be sent out through the air outlet 12 only by passing through the water collecting wire mesh 322 downwards after impacting the back of the gas-liquid separating plate 321, and the gas-liquid separating effect can be guaranteed.
In a preferred embodiment of the invention, the air dehumidifying apparatus 100 further comprises a main body support frame 4 fixedly installed in the air dehumidifying room 1, so that the whole heat exchanging structure 2 is supported by the main body support frame 4.
As a specific embodiment of the present invention, the heat exchange structure 2 comprises 3 layers of the heat exchange main body 21 fixedly arranged on the main body support frame 4 from bottom to top, so as to ensure that the amount of the treated air can meet the use requirement of the blast furnace, and avoid the over-high manufacturing cost; of course, the present invention is not limited to this, and the number of layers of the heat exchange main body 21 may be set according to actual requirements.
In the specific implementation of the present invention, because a part of condensed water is separated out from the air during the heat exchange and temperature reduction process of the heat exchange structure 2 with the air, in order to facilitate discharging the part of condensed water in time, a condensed water collecting tank (not shown) may be disposed at the bottom of each of the heat exchange main bodies 21, and a liquid collecting tank 33 is disposed on the main body support frame 4 corresponding to each layer of the heat exchange main bodies 21, the condensed water collecting tank is connected to the liquid collecting tank 33, and the liquid collecting tanks 33 of the layers are also connected by a liquid conveying pipeline 34, so that the condensed water separated out from the air during the heat exchange process will fall to the condensed water collecting tank at the bottom first, enter the liquid collecting tank 33 by the condensed water, and finally be discharged in time through the liquid conveying pipeline 34.
In a preferred embodiment of the invention, the first cooling heat exchange unit 211 comprises a first front end header 2111, a first back end header 2112 and a first heat exchange tube bundle 2113 communicating the first front end header 2111 and the first back end header 2112; the first front-end header 2111 is internally divided into a first inlet chamber 2115 and a first outlet chamber 2116 by a first partition plate 2114, and a first chilled water inlet 2117 communicated with the first inlet chamber 2115 and a first chilled water outlet 2118 communicated with the first outlet chamber 2116 are arranged outside the first front-end header 2111. In operation, chilled water enters first inlet chamber 2115 through first chilled water inlet 2117, flows from first inlet chamber 2115 through a portion of first heat exchange tube bundle 2113 to first back-end header 2112, returns to first outlet chamber 2116 through another portion of first heat exchange tube bundle 2113, and exits through first chilled water outlet 2118.
When the present invention is specifically implemented, the present invention further includes a first chilled water supply main pipe 51 and a first chilled water return main pipe 52, wherein the first chilled water inlet 2117 of each first cooling heat exchange unit 211 is connected to the first chilled water supply main pipe 51, so that the first chilled water supply main pipe 51 is used to provide chilled water for each first cooling heat exchange unit 211; the first chilled water outlet 2118 of each first cooling heat exchange unit 211 is connected to the first chilled water return main pipe 52, so that chilled water flowing out of each first cooling heat exchange unit 211 is recovered by using the first chilled water return main pipe 52.
In the preferred embodiment of the invention, the second cooling heat exchange unit 212 comprises a second front end tube box 2121, a second rear end tube box 2122 and a second heat exchange tube bundle 2123 communicating the second front end tube box 2121 and the second rear end tube box 2122; the inside of the second front end casing 2121 is partitioned into a second inlet chamber 2125 and a second outlet chamber 2126 by a second partition plate 2124, and a second chilled water inlet 2127 communicating with the second inlet chamber 2125 and a second chilled water outlet 2128 communicating with the second outlet chamber 2126 are provided outside the second front end casing 2121. In operation, chilled water enters the second inlet chamber 2125 through the second chilled water inlet 2127, flows from the second inlet chamber 2125 through a portion of the second heat exchange tube bundle 2123 to the second back end header 2122, returns to the second outlet chamber 2126 through another portion of the second heat exchange tube bundle 2123, and exits through the second chilled water outlet 2128.
When the present invention is implemented, the present invention further includes a second chilled water main water supply pipe (not shown) and a second chilled water main water return pipe (not shown), wherein the second chilled water inlet 2127 of each second cooling heat exchange unit 212 is connected to the second chilled water main water supply pipe, so that the second chilled water main water supply pipe is used to provide chilled water for each second cooling heat exchange unit 212; the second chilled water outlet 2128 of each second cooling heat exchange unit 212 is connected to the second chilled water return main pipe, so that chilled water flowing out of each second cooling heat exchange unit 212 is recovered by the second chilled water return main pipe.
In the specific implementation of the present invention, in order to increase the contact area between the air and the surfaces of the first heat exchange tube bundle 2113 and the second heat exchange tube bundle 2123, the heat exchange tubes of the first heat exchange tube bundle 2113 and the second heat exchange tube bundle 2123 both adopt finned heat exchange tubes.
In a preferred embodiment of the present invention, the upper ends of the first and second rear- end headers 2112 and 2122 are respectively provided with an exhaust interface 213, and the lower ends of the first and second rear- end headers 2112 and 2122 are respectively provided with a drain interface 214, during a specific use process, both the exhaust interface 213 and the drain interface 214 are normally closed, and when the first and second cooling heat exchange units 211 and 212 are not needed for heat exchange, the exhaust interface 213 and the drain interface 214 can be opened to discharge the chilled water retained in the first and second cooling heat exchange units 211 and 212, so as to prevent the chilled water from being retained in the first and second heat exchange bundles 2113 and 2123 for a long time, which can prevent the first and second heat exchange bundles 2113 and 2123 from being frozen and cracked in cold winter.
In the preferred embodiment of the invention, at least two layers of operating platforms 6 are arranged at two ends of the air dehumidifying room 1 from bottom to top, and the two adjacent layers of operating platforms 6 are connected by the stairs 61, so that the operations of installation, maintenance, inspection and the like of the heat exchanging structure 2 in the air dehumidifying room 1 can be conveniently carried out.
In an embodiment of the present invention, the air inlet 11 of the whole air dehumidifying apparatus 100 is disposed facing the south, the air outlet 12 of the air dehumidifying apparatus 100 is disposed facing the north, and the operation platforms 6 are disposed on the west and the east. The length of the whole air dehumidifying apparatus 100 is 17410mm, the width of the whole air dehumidifying apparatus 100 is 4030mm, and the height of the whole air dehumidifying apparatus 100 is 8484mm; wherein, the height of single-layer heat exchange body 21 is 2284mm, and the width of single-layer heat exchange body 21 is 1800mm, and the length of single-layer heat exchange body 21 is 8200mm.
The working principle of the air dehumidifying apparatus 100 of the present invention is as follows: before air is introduced into the air inlet 11 of the air dehumidifying device 100, chilled water is introduced into the first cooling heat exchange unit 211 and the second cooling heat exchange unit 212, and the temperature of the chilled water introduced into the first cooling heat exchange unit 211 is higher than that of the chilled water in the second cooling heat exchange unit 212; then, air is introduced into the air dehumidifying room 1 through the air inlet 11, and the air firstly passes through the first cooling heat exchange unit 211 for primary heat exchange and cooling and then enters the second cooling heat exchange unit 212 for secondary heat exchange and cooling; finally, the damp air cooled by heat exchange enters the gas-liquid separation structure 3 for gas-liquid separation, the separated gas is output through the air outlet 12, and the separated liquid flows into the liquid collecting tank 33 and is discharged through the liquid conveying pipeline 34.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (9)
1. An air dehumidifying device, characterized in that: the system comprises an air dehumidifying room and a heat exchange structure arranged in the air dehumidifying room; an air inlet is formed at one side of the air dehumidifying room, and an air outlet is formed at the other side of the air dehumidifying room;
the heat exchange structure comprises more than two layers of heat exchange main bodies which are stacked from bottom to top along the height direction of the air dehumidifying room; every layer the heat transfer main part all includes first cooling heat transfer unit and the second cooling heat transfer unit that sets gradually along the air feed direction at least, just the temperature of the refrigerated water in the first cooling heat transfer unit is higher than the temperature of the refrigerated water in the second cooling heat transfer unit.
2. The air dehumidifying device of claim 1, wherein: and a gas-liquid separation structure is arranged between the air outlet and the heat exchange structure in the air dehumidifying room.
3. The air dehumidifying device of claim 2 wherein: the gas-liquid separation structure comprises a separator support frame and a plurality of gas-liquid separation units which are sequentially arranged on the separator support frame from bottom to top; a liquid collecting tank is arranged on the separator supporting frame corresponding to each gas-liquid separation unit and is positioned on one side close to the air outlet; the separator support frame is provided with a plurality of liquid conveying pipelines which penetrate through the liquid collecting grooves from bottom to top, and water inlet openings communicated with the liquid collecting grooves are formed in the liquid conveying pipelines corresponding to each layer of the liquid collecting grooves.
4. The air dehumidifying device of claim 3, wherein: each gas-liquid separation unit comprises a gas-liquid separation plate and a water collecting wire mesh; the gas-liquid separation plate is obliquely arranged on the separator support frame, and the lower end of the gas-liquid separation plate is connected with the liquid collecting tank; the water collecting wire mesh is horizontally arranged on the separator support frame, and the upper end of the gas-liquid separation plate is connected with the water collecting wire mesh.
5. The air dehumidifying device of claim 1, wherein: the air dehumidifying room further comprises a main body supporting frame fixedly arranged in the air dehumidifying room; the heat exchange structure comprises 3 layers of heat exchange main bodies fixedly arranged on the main body supporting frame from bottom to top.
6. The air dehumidifying device of claim 1 wherein: the first cooling heat exchange unit comprises a first front end pipe box, a first rear end pipe box and a first heat exchange pipe bundle communicated with the first front end pipe box and the first rear end pipe box; the first front-end pipe box is internally divided into a first inlet chamber and a first outlet chamber through a first partition plate, and a first chilled water inlet communicated with the first inlet chamber and a first chilled water outlet communicated with the first outlet chamber are arranged outside the first front-end pipe box.
7. The air dehumidifying device of claim 6, wherein: the second cooling heat exchange unit comprises a second front end pipe box, a second rear end pipe box and a second heat exchange pipe bundle which is communicated with the second front end pipe box and the second rear end pipe box; the interior of the second front-end tube box is divided into a second inlet chamber and a second outlet chamber by a second partition plate, and a second chilled water inlet communicated with the second inlet chamber and a second chilled water outlet communicated with the second outlet chamber are arranged outside the second front-end tube box.
8. The air dehumidifying device of claim 7, wherein: the upper ends of the first rear end pipe box and the second rear end pipe box are both provided with exhaust interfaces, and the lower ends of the first rear end pipe box and the second rear end pipe box are both provided with liquid drainage interfaces.
9. The air dehumidifying device of any one of claims 1 to 8 wherein: two ends of the air dehumidifying room are provided with at least two layers of operating platforms from bottom to top, and the two adjacent layers of operating platforms are connected through stairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211084075.3A CN115404296A (en) | 2022-09-06 | 2022-09-06 | Air dehumidifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211084075.3A CN115404296A (en) | 2022-09-06 | 2022-09-06 | Air dehumidifying device |
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| CN115404296A true CN115404296A (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211084075.3A Pending CN115404296A (en) | 2022-09-06 | 2022-09-06 | Air dehumidifying device |
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| JP2001181717A (en) * | 1999-12-24 | 2001-07-03 | Eiichi Uratani | Apparatus for moisture removal and blasting in blast furnace |
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| CN205279817U (en) * | 2015-12-31 | 2016-06-01 | 上海板换机械设备有限公司 | Stave cooler , board -like dehydrating unit |
| CN212610467U (en) * | 2020-04-27 | 2021-02-26 | 王路阳 | Natural gas-liquid separation device |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001181717A (en) * | 1999-12-24 | 2001-07-03 | Eiichi Uratani | Apparatus for moisture removal and blasting in blast furnace |
| KR20060075882A (en) * | 2004-12-29 | 2006-07-04 | 주식회사 은하에어테크 | Compressed air dryer for recycling heat by blower |
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