CN112393622A

CN112393622A - Natural draft wet cooling tower

Info

Publication number: CN112393622A
Application number: CN202011266550.XA
Authority: CN
Inventors: 申友利; 傅家宝; 付海涛; 张刘亮; 邓鲲; 王强强; 潘飞飞
Original assignee: Fuyang Angu Boiler Pressure Vessel Manufacture Co ltd
Current assignee: Fuyang Angu Boiler Pressure Vessel Manufacture Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-02-23
Anticipated expiration: 2040-11-13
Also published as: CN112393622B

Abstract

The invention relates to the technical field of cooling towers, and discloses a natural ventilation wet cooling tower which comprises a tower body, wherein the upper end of the tower body is fixedly connected with a treatment box, a condensation plate is arranged above the inside of the treatment box, supporting rods are fixedly arranged between the left side and the right side of the upper end of the condensation plate and the left end and the right end of the upper inner side wall of the treatment box, an air outlet hopper is fixedly arranged at the position, below the condensation plate, in the inside of the treatment box, the upper end of the air outlet hopper is fixedly connected with a return hopper, and an air outlet is formed in the upper. This natural draft wet cooling tower can reduce the waste of water resource, avoids causing the humidity of surrounding environment too big, can also prevent that the backward flow wind high temperature from influencing the heat exchange effect, can avoid simultaneously that the inside incomplete water of packing and water film can't in time discharge and the fresh air inlet is blockked up by foreign matters such as dust and influences ventilation efficiency, can also carry out the precooling, improves follow-up cooling efficiency and effect.

Description

Natural draft wet cooling tower

Technical Field

The invention relates to the technical field of cooling towers, in particular to a natural draft wet cooling tower.

Background

The natural draft cooling tower is a cooling tower which ventilates by the air convection effect formed by the air density difference between the inside and the outside of the tower or natural wind power.

At present, natural draft wet cooling tower is in actual use, and the natural wind that gets into by the tower bottom can carry a large amount of steam to discharge after the heat exchange, can cause more water waste after long-time the accumulation to and can make ambient air environment's humidity great, and the air current temperature through the heat exchange is higher moreover, and the tower also easily inhales these hot-air again, leads to the heat exchange effect to worsen, consequently, provides a natural draft wet cooling tower.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a natural ventilation wet cooling tower, which has the advantages of reducing the waste of water resources, avoiding the overlarge humidity of the surrounding environment, preventing the overhigh temperature of return air from influencing the heat exchange effect and the like, and solves the problems that the natural air entering from the bottom of the tower can carry a large amount of water vapor to be discharged after heat exchange, can cause more water resource waste after long-time accumulation, can cause the higher humidity of the surrounding air environment, has higher temperature of air flow after heat exchange, and can easily suck the hot air again in the tower to cause the deterioration of the heat exchange effect.

(II) technical scheme

In order to reduce the waste of water resources, avoid causing excessive humidity of the surrounding environment and prevent the heat exchange effect from being influenced by overhigh temperature of the return air, the invention provides the following technical scheme: a natural ventilation wet cooling tower comprises a tower body, wherein a treatment box is fixedly connected to the upper end of the tower body, a condensation plate is arranged above the inside of the treatment box, supporting rods are fixedly arranged between the left side and the right side of the upper end of the condensation plate and the left end and the right end of the upper inner side wall of the treatment box, an air outlet hopper is fixedly arranged at the position, below the condensation plate, inside the treatment box, a return hopper is fixedly connected to the upper end of the air outlet hopper, an air outlet is formed in the upper end of the treatment box, a suction fan corresponding to the air outlet is fixedly connected to the upper inner side wall of the treatment box, a blocking net is fixedly arranged inside the air outlet, a drying sleeve corresponding to the air outlet is fixedly connected to the upper end of the treatment box, drying filler is filled inside the drying sleeve, a cover plate mechanism is connected to the drying sleeve, and an annular, the fixed position that the inside of tower body is located annular dust screen top is equipped with the baffle, and it has the packing layer, two to fill between two baffles the hole that leaks of a plurality of evenly distributed is all seted up to the upper end of baffle, the right side wall upper end fixedly connected with inlet tube of tower body, the inside top of tower body is equipped with the plectane, and the inside of plectane has seted up the cavity, the inlet tube is located the fixed intercommunication of the last lateral wall of the inside one end of tower body and cavity, a plurality of evenly distributed's of lower lateral wall fixed connection shower nozzle of cavity, the lower extreme fixedly connected with of tower body goes out the water fill.

Preferably, be located the downside the lower extreme fixedly connected with double-shaft motor of baffle, two upper and lower outputs of double-shaft motor all are connected with the bull stick through the shaft coupling transmission, and the pole wall that is located double-shaft motor upside bull stick rotates through first bearing and the baffle upper end of downside and is connected and extend to and set up between two baffles, the pole wall of bull stick is located the fixed stirring leaf that has connect a plurality of evenly distributed of position between two baffles.

Preferably, the lower end of the rotating rod positioned at the lower side of the double-shaft motor is fixedly connected with a rotating shaft, the lower end of the rotating shaft is fixedly connected with a first belt pulley, the left and right outer side walls of the tower body are fixedly connected with a group of fixed plates, the two fixed plates in the same group are respectively positioned at the upper side and the lower side of the annular dust screen, the side walls of the opposite sides of the two fixed plates in the same group are jointly and rotatably connected with reciprocating lead screws through second bearings, the rod walls of the two reciprocating lead screws are respectively and slidably connected with lead screw nuts, the outer side of the annular dust screen of the tower body is sleeved with an annular scraper, the inner side wall of the annular scraper is fixedly connected with an annular brush, the inner side wall of the annular brush is abutted against the outer side wall of the annular dust screen, the left and the right, two the pole wall lower extreme of reciprocal lead screw all fixedly cup joints the second belt pulley, and two second belt pulleys are connected through belt transmission with first belt pulley jointly, the activity hole has all been seted up to lateral wall lower extreme about the tower body, and the belt passes two activity hole activities and sets up.

Preferably, the upper end of the right side wall of the drying sleeve is fixedly connected with an air delivery pipe, a precooling pipe is sleeved at a position, which is positioned outside the tower body, of the outer side of the water inlet pipe, the left end of the precooling pipe is fixedly connected with the upper end of the right outer side wall of the tower body, and the left end of the upper pipe wall of the precooling pipe is fixedly communicated with one end, which is far away from the drying sleeve, of the air delivery pipe.

Preferably, two the top position is equipped with the stripper plate between the baffle, the upper end of stripper plate begin to have with bull stick assorted round hole, the lateral wall and the tower body inside wall sliding connection of stripper plate, the upper end of stripper plate has the fixed extrusion spring that is equipped with a plurality of evenly distributed between the lower extreme of homonymy baffle.

Preferably, the plate covering mechanism comprises an internal thread ring and an external thread cover, the outer ring wall of the internal thread ring is fixedly connected with the upper end of the inner side wall of the drying sleeve, and the inner side wall of the internal thread ring is in threaded connection with the side wall of the external thread cover.

Preferably, the lower end of the baffle plate positioned at the lower side is fixedly connected with a water retaining ring, and the lower ends of the left side wall and the right side wall of the water retaining ring are both provided with sliding holes and movably connected with the belt through the sliding holes.

Preferably, the outer side cover of biax motor is equipped with the buckler, and the upper end of buckler and the lower extreme fixed connection of homonymy baffle, the lower extreme of buckler rotates through the pole wall of third bearing and the bull stick that corresponds the position and is connected.

(III) advantageous effects

Compared with the prior art, the invention provides a natural draft wet cooling tower, which has the following beneficial effects:

1. this natural draft wet cooling tower, tower body through being equipped with, two baffles, the inlet tube, two baffles, the packing layer, go out the water bucket, handle mutually supporting of case and suction fan, can be through in the suction fan inhales the tower with outside natural wind, and can carry out the heat exchange with water under the cooperation of packing layer, accomplish the cooling to water, go out the air bucket through being equipped with, the reflux is fought, the condensation plate, two bracing pieces, keep off the net, mutually supporting of dry cover and drier filler, can carry out condensation cooling and drying process to the steam in the exhaust wind, reduce the waste of water resource, it is too big to avoid causing the humidity of surrounding environment, can also prevent to use the too high influence heat exchange effect of the wind temperature of backward flow after long-time.

2. This natural draft wet cooling tower, mutually support through the plectane that is equipped with and a plurality of shower nozzle, can evenly spray water, through the biax motor that is equipped with, mutually support of bull stick and a plurality of stirring leaf, after using a period, can stir packing, thereby can be with packing inside remaining water discharge, avoid packing inside incomplete water and the water film influence ventilation efficiency that can't in time discharge, mutually support through stripper plate and a plurality of extrusion spring that are equipped with, can carry out certain extrusion to packing after stirring the completion, make to pack and keep certain degree of compactness, guarantee the dispersion effect to water.

3. This natural draft wet cooling tower, annular scraper blade through being equipped with, annular brush, two reciprocal lead screws, two screw-nut, two sets of fixed plates, two second pulleys, first belt, mutually supporting of pivot and belt, can last the scraping to the outside of annular dust screen, avoid foreign matters such as outside dust to cause annular dust screen to be blockked up, guarantee the good ventilation efficiency who lasts, mutually supporting through defeated tuber pipe and the preheating pipe that is equipped with, can utilize the air current after the cooling to cool down in advance the hot water in the inlet pipe, improve follow-up cooling efficiency and effect.

Drawings

FIG. 1 is a schematic structural view of a natural draft wet cooling tower according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the portion B of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of a portion C of FIG. 1 according to the present invention;

FIG. 5 is a schematic top view of the ring squeegee of FIG. 1 according to the present invention.

In the figure: the device comprises a tower body 1, a treatment box 2, a condensation plate 3, a reflux hopper 4, an air outlet hopper 5, a suction fan 6, a baffle net 7, a drying sleeve 8, an annular dustproof net 9, a partition plate 10, a packing layer 11, a water inlet pipe 12, a circular plate 13, a spray head 14, a water outlet hopper 15, a double-shaft motor 16, a stirring blade 17, a fixed plate 18, a reciprocating screw rod 19, an annular scraper 20, an annular brush 21, a belt 22, a wind delivery pipe 23, a precooling pipe 24, an extrusion plate 25, an extrusion spring 26, an internal thread ring 27, an external thread cover 28, a water retaining ring 29 and a waterproof cover 30.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a natural ventilation wet cooling tower comprises a tower body 1, a processing box 2 is fixedly connected to the upper end of the tower body 1, a condensing plate 3 is arranged above the inside of the processing box 2, support rods are fixedly arranged between the left and right sides of the upper end of the condensing plate 3 and the left and right ends of the upper inner side wall of the processing box 2, an air outlet hopper 5 is fixedly arranged in the processing box 2 at a position below the condensing plate 3, a return hopper 4 is fixedly connected to the upper end of the air outlet hopper 5, an air outlet is arranged at the upper end of the processing box 2, a suction fan 6 corresponding to the air outlet is fixedly connected to the upper inner side wall of the processing box 2, a blocking net 7 is fixedly arranged inside the air outlet, a drying sleeve 8 corresponding to the air outlet is fixedly connected to the upper end of the processing box 2, desiccant filler is filled in the drying sleeve 8, a cover plate mechanism is connected to the drying sleeve, the fixed position that the inside of tower body 1 is located annular dust screen 9 top is equipped with baffle 10, and it has packing layer 11 to fill between two baffle 10, a plurality of evenly distributed's the hole that leaks has all been seted up to the upper end of two baffle 10, the right side wall upper end fixedly connected with inlet tube 12 of tower body 1, the inside top of tower body 1 is equipped with plectane 13, and the cavity has been seted up to plectane 13's inside, inlet tube 12 is located the fixed intercommunication of the last lateral wall of the inside one end of tower body 1 and cavity, the lower lateral wall fixed connection a plurality of evenly distributed's of cavity shower nozzle 14, the lower extreme fixedly connected with of tower body.

Lower extreme fixedly connected with double-shaft motor 16 that is located downside baffle 10, double-shaft motor 16's two upper and lower outputs all are connected with the bull stick through the shaft coupling transmission, and the pole wall that is located double-shaft motor 16 upside bull stick rotates with the baffle 10 upper end of downside through first bearing and sets up between extending to two baffles 10, the pole wall of bull stick is located the fixed stirring leaf 17 that has cup jointed a plurality of evenly distributed of rigidity between two baffles 10, start double-shaft motor 16, can make two bull sticks rotate, thereby can make a plurality of stirring leaf 17 rotate, thereby can drive the filler interact in packing layer 11, and then can rotate out remaining partial rivers and water film between the filler, in order to avoid the inside incomplete water of packing and the water film influence ventilation efficiency of can't in time discharging.

The lower end of a rotating rod positioned at the lower side of a double-shaft motor 16 is fixedly connected with a rotating shaft, the lower end of the rotating shaft is fixedly connected with a first belt pulley, the left and right outer side walls of a tower body 1 are fixedly connected with a group of fixing plates 18, the two fixing plates 18 in the same group are respectively positioned at the upper side and the lower side of an annular dust screen 9, the side walls of the opposite sides of the two fixing plates 18 in the same group are jointly and rotatably connected with reciprocating lead screws 19 through second bearings, the rod walls of the two reciprocating lead screws 19 are respectively and slidably connected with lead screw nuts, an annular scraper 20 is sleeved at the outer side of the annular dust screen 9 of the tower body 1, the inner side wall of the annular scraper 20 is fixedly connected with an annular brush 21, the inner side wall of the annular brush 21 is abutted against the outer side wall of the annular dust screen, the pole wall lower extreme of two reciprocal lead screws 19 all fixedly cup joints the second belt pulley, and two second belt pulleys are connected through belt 22 transmission with first belt pulley jointly, the activity hole has all been seted up to lateral wall lower extreme about tower body 1, and belt 22 passes two activity hole activities and sets up, when biax motor 16 drives the bull stick of downside and rotates, can drive the pivot and rotate, thereby can make first belt pulley rotate, through belt 22, can drive two second belt pulleys and rotate, so that two reciprocal lead screws 19 rotate, so that can make two screw-nut at vertical direction reciprocating motion, and then can drive annular scraper blade 20 and remove in vertical direction, in order to drive annular brush 21 and remove and carry out continuous reciprocal scraping to the outside of annular dust screen 9, avoid blocking up annular dust screen 9 such as dust foreign matter.

Air delivery pipe 23 is fixedly connected to the right side wall upper end of drying sleeve 8, the position cover that the outside of inlet tube 12 is located the tower body 1 outside is equipped with precooling pipe 24, and precooling pipe 24's left end and tower body 1's right side wall upper end fixed connection, precooling pipe 24's last pipe wall left end and the fixed intercommunication of one end that drying sleeve 8 was kept away from to ducting pipe 23, wind after the dry cooling is inside precooling pipe 24 through air delivery pipe 23 row, thereby can carry out certain heat exchange with inlet tube 12, and then can carry out the precooling to the hot water in the inlet tube 12, improve follow-up cooling's effect and efficiency.

The top position is equipped with stripper plate 25 between two baffles 10, the upper end of stripper plate 25 begin to have with bull stick assorted round hole, the lateral wall and the 1 inside wall sliding connection of tower body of stripper plate 25, the upper end of stripper plate 25 has the fixed extrusion spring 26 that is equipped with a plurality of evenly distributed between the lower extreme of homonymy baffle 10, can carry out certain extrusion to packing after stirring the completion to packing, make to pack and keep certain degree of compactness, guarantee the dispersion effect to water.

The cover plate mechanism comprises an internal thread ring 27 and an external thread cover 28, the outer ring wall of the internal thread ring 27 is fixedly connected with the upper end of the inner side wall of the drying sleeve 8, the inner side wall of the internal thread ring 27 is in threaded connection with the side wall of the external thread cover 28, the external thread cover 28 is screwed, and is separated from the internal thread ring 27, so that the drying sleeve 8 can be opened, and the drying agent inside can be replaced.

The lower end of the lower side clapboard 10 is fixedly connected with a water retaining ring 29, and the lower ends of the left side wall and the right side wall of the water retaining ring 29 are both provided with sliding holes and movably connected with the belt 22 through the sliding holes, so that the water can be prevented from leaking from the annular dustproof net 9.

The outside cover of biax motor 16 is equipped with buckler 30, and the lower extreme fixed connection of the upper end of buckler 30 and homonymy baffle 10, and the lower extreme of buckler 30 is connected through the pole wall rotation of third bearing and the bull stick that corresponds the position, can avoid biax motor 16 to receive the influence of water.

To sum up, when the natural ventilation wet cooling tower is used, hot water can be uniformly sprayed out through the water inlet pipe 12, the circular plate 13 and the plurality of spray heads 14, water falls on the packing layer 11, the suction fan 6 works to enable external natural wind to flow upwards from the bottom layer of the tower body 1 through the packing layer 11 through the annular dustproof net 9, the external natural wind exchanges heat with the water falling on the packing layer 11 to cool the water, hot wind after heat exchange is sprayed on the condensing plate 3 through the air outlet hopper 5, the condensing plate 3 works to cool and condense water vapor in the hot wind, condensed water drops flow back to the inside of the tower body 1, waste of water resources can be reduced, the temperature of the wind flow can be reduced, too high temperature of the subsequent backflow wind flow can be avoided to influence the cooling effect, the condensed wind flow passes through the drying agent, and the drying agent can dry and dehumidify the wind flow, avoiding causing the annular humidity around too big.

It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A natural draft wet cooling tower, includes tower body (1), its characterized in that: the upper end of the tower body (1) is fixedly connected with a processing box (2), a condensing plate (3) is arranged above the inner part of the processing box (2), supporting rods are fixedly arranged between the left and right sides of the upper end of the condensing plate (3) and the left and right ends of the upper inner side wall of the processing box (2), an air outlet hopper (5) is fixedly arranged at the position below the condensing plate (3) in the processing box (2), a backflow hopper (4) is fixedly connected with the upper end of the air outlet hopper (5), an air outlet is formed in the upper end of the processing box (2), a suction fan (6) corresponding to the air outlet is fixedly connected with the upper inner side wall of the processing box (2), a blocking net (7) is fixedly arranged in the air outlet, a drying sleeve (8) corresponding to the air outlet is fixedly connected with the upper end of the processing box (2), and a drying agent filler is filled in the drying sleeve (, the drying sleeve (8) is connected with a cover plate mechanism, the lower end inside the side wall of the tower body (1) is fixedly connected with an annular dustproof net (9), a clapboard (10) is fixedly arranged at the position, which is positioned above the annular dustproof net (9), in the tower body (1), a packing layer (11) is filled between the two clapboards (10), a plurality of water leakage holes which are uniformly distributed are arranged at the upper ends of the two clapboards (10), a water inlet pipe (12) is fixedly connected with the upper end of the right side wall of the tower body (1), a circular plate (13) is arranged above the interior of the tower body (1), and the interior of the circular plate (13) is provided with a cavity, one end of the water inlet pipe (12) positioned in the tower body (1) is fixedly communicated with the upper side wall of the cavity, the lower side wall of the cavity is fixedly connected with a plurality of uniformly distributed spray heads (14), and the lower end of the tower body (1) is fixedly connected with a water outlet hopper (15).

2. A natural draft wet cooling tower as in claim 1 wherein: be located the downside the lower extreme fixedly connected with double-shaft motor (16) of baffle (10), two upper and lower outputs of double-shaft motor (16) all are connected with the bull stick through the shaft coupling transmission, and the pole wall that is located double-shaft motor (16) upside bull stick rotates through first bearing and baffle (10) upper end of downside and is connected and extend to and set up between two baffles (10), the pole wall of bull stick is located the fixed stirring leaf (17) that have cup jointed a plurality of evenly distributed in the position between two baffles (10).

3. A natural draft wet cooling tower as in claim 2 wherein: be located biax motor (16) downside the lower extreme fixedly connected with pivot of bull stick, and the first belt pulley of lower extreme fixedly connected with of pivot, the equal fixedly connected with a set of fixed plate (18) of lateral wall about tower body (1), two on the same group fixed plate (18) are located the upper and lower both sides setting of annular dust screen (9) respectively, two on the same group the lateral wall of fixed plate (18) one side in opposite directions all rotates through the second bearing jointly and is connected with reciprocal lead screw (19), and the equal sliding connection of pole wall of two reciprocal lead screws (19) has screw-nut, the cover that is located annular dust screen (9) outside of tower body (1) is equipped with annular scraper blade (20), the inside wall fixedly connected with annular brush (21) of annular scraper blade (20), and the inside wall of annular brush (21) and the lateral wall of annular dust screen (9) offset and set up, the upper end left and right sides of annular scraper blade (20) has all seted up the fixed The lateral wall of two feed screw nuts is fixed cup joints, two the pole wall lower extreme of reciprocal lead screw (19) has all fixedly cup jointed the second belt pulley, and two second belt pulleys are connected through belt (22) transmission with first belt pulley jointly, the activity hole has all been seted up to the lateral wall lower extreme about tower body (1), and belt (22) pass two activity hole activities and set up.

4. A natural draft wet cooling tower as in claim 1 wherein: the upper end of the right side wall of the drying sleeve (8) is fixedly connected with an air delivery pipe (23), a precooling pipe (24) is sleeved at a position, which is positioned outside the tower body (1), outside the water inlet pipe (12), the left end of the precooling pipe (24) is fixedly connected with the upper end of the right outer side wall of the tower body (1), and the left end of the upper pipe wall of the precooling pipe (24) is fixedly communicated with one end, which is far away from the drying sleeve (8), of the air delivery pipe (23).

5. A natural draft wet cooling tower as in claim 1 wherein: two top position is equipped with stripper plate (25) between baffle (10), the upper end of stripper plate (25) begin to have with bull stick assorted round hole, the lateral wall and tower body (1) inside wall sliding connection of stripper plate (25), the upper end of stripper plate (25) has fixed extrusion spring (26) that are equipped with a plurality of evenly distributed between the lower extreme of homonymy baffle (10).

6. A natural draft wet cooling tower as in claim 1 wherein: the cover plate mechanism comprises an internal thread ring (27) and an external thread cover (28), the outer ring wall of the internal thread ring (27) is fixedly connected with the upper end of the inner side wall of the drying sleeve (8), and the inner side wall of the internal thread ring (27) is in threaded connection with the side wall of the external thread cover (28).

7. A natural draft wet cooling tower according to claim 3, wherein: the lower end of the clapboard (10) positioned at the lower side is fixedly connected with a water retaining ring (29), and the lower ends of the left side wall and the right side wall of the water retaining ring (29) are both provided with slide holes and are movably connected with the belt (22) through the slide holes.

8. A natural draft wet cooling tower as in claim 2 wherein: the outer side cover of biax motor (16) is equipped with buckler (30), and the upper end of buckler (30) and the lower extreme fixed connection of homonymy baffle (10), the lower extreme of buckler (30) is connected with the pole wall rotation of the bull stick that corresponds the position through the third bearing.