CN211977631U - High-efficient closed cooling tower - Google Patents

Abstract

The utility model relates to a high-efficiency closed cooling tower, which comprises a box body, a heat exchanger, a spraying device and an air cooling device, wherein the heat exchanger comprises a frame, a cooling coil, a water diversion pipe and a water collection pipe, the frame is fixedly arranged in the box body, the cooling coil is in an S-shaped arrangement, a plurality of cooling coils are arranged on the frame at intervals in parallel, the water diversion pipe and the water collection pipe are arranged in the box body in an up-down parallel manner, the upper ends of the cooling coils are connected with the side wall in the length direction of the water diversion pipe at intervals, the lower ends of the cooling coils are connected with the side wall in the length direction of the water collection pipe at intervals, at least two heat exchangers are arranged, two adjacent water diversion pipes and water collection pipes are arranged upside down, the water diversion pipes and the water collection pipes of the two adjacent heat exchangers are mutually communicated to form the segmented series, and the number of the cooling coils in the box body is unchanged. The utility model has the advantages of improve the cooling effect of cooling tower.

Description

High-efficient closed cooling tower

Technical Field

The utility model belongs to the technical field of cooling arrangement's technique and specifically relates to a high-efficient closed cooling tower is related to.

Background

At present, circulating water with low temperature is generally used for cooling process media in the industrial field, and the circulating water needs to be evaporated and radiated to a cooling tower for cooling after absorbing heat and then is sent to a heat exchanger again to absorb the heat of the process media. Cooling towers are divided into open type cooling towers and closed type cooling towers, in the open type cooling towers, circulating water is in direct contact with air from the environment for heat transfer, and the water quality is poor; in the closed cooling tower, the circulating water does not contact with the ambient air, and the water quality is clean.

An existing patent with publication number CN210014675U discloses a closed cooling tower, which has the technical scheme that: contain the casing, receive the hydrophone, the circulating pump, the steelframe, the shutter, the water tray, the outlet pipe, a heat exchanger, the inlet tube, the water distribution pipe, the nozzle, the fan, motor support, including a motor, an end cap, a controller, and a cover plate, establish the heat exchanger in, the outlet pipe and the inlet tube of heat exchanger stretch out outside the shutter, lower extreme position establishes the water tray in the cooling tower casing, the water tray is connected the circulating pump and is transversely set up the water distribution pipe intercommunication in heat exchanger upper end, water distribution pipe connection receives the hydrophone, if receive the hydrophone both ends if do nozzle down, go up the motor leg joint motor of casing upper end, the fan is connected to the rotatory axle head of motor, the heat exchanger is formed by the U-shaped pipe parallel arrangement of a plurality of intercommunications, leave the heat.

The nozzle that above-mentioned heat exchanger is through being located the top carries out the forced air cooling to the downward cold water spray cooling of heat exchanger, carries out the forced air cooling through the heat exchanger in the inside follow downside of casing through the air exhauster with external cold wind suction simultaneously, and the mode through water-cooling and forced air cooling has improved the cooling effect of heat exchanger, but because the cooling liquid of treating of a plurality of U-shaped pipes reposition of redundant personnel inlet tube simultaneously to it can not be full of the U-shaped pipe to lead to treating the cooling liquid in the U-shaped intraductal shunt tubes side by side easily, thereby reduces the problem of.

Disclosure of Invention

The utility model aims at providing a high-efficient closed cooling tower, its advantage that has the cooling effect who improves the cooling tower to the not enough of prior art existence.

The above object of the present invention is achieved by the following technical solutions: a high-efficiency closed cooling tower comprises a box body, a heat exchanger arranged in the box body, a spraying device arranged in the box body and used for spraying and cooling cold water for the heat exchanger, and an air cooling device arranged on the box body, wherein the heat exchanger comprises a frame, a cooling coil, a water distribution pipe and a water collecting pipe, the frame is fixedly arranged in the box body, the cooling coil is arranged in an S shape, a plurality of cooling coils are arranged on the frame at intervals, the water distribution pipe and the water collecting pipe are arranged in the box body in an up-down parallel manner, the upper ends of the cooling coils are connected with the side wall in the length direction of the water distribution pipe at intervals, the lower ends of the cooling coils are connected with the side wall in the length direction of the water collecting pipe at intervals, at least two heat exchangers are arranged, the two adjacent water distribution pipes and the water collecting pipe are reversely arranged, and the water collecting pipe of the front heat exchanger, so as to form a plurality of sectional series connection of the heat exchangers, and the number of the cooling coils in the box body is not changed.

Through adopting above-mentioned technical scheme, treat that cooling liquid enters into a plurality of cooling coil through the distributive pipe reposition of redundant personnel, carry out the heat transfer cooling to cooling coil through spray set and air cooling device, under the unchangeable circumstances of cooling coil quantity, make cooling coil segmentation establish ties, realize the cooling of treating cooling liquid in the cooling coil many times, thereby cooling area and cool time have been improved, and then the cooling effect of treating the cooling liquid has been improved, simultaneously can make and treat entering into treating that the cooling liquid is better fully to be full of cooling coil in the distributive pipe under the lower circumstances of flow of cooling liquid, thereby improve effectual cooling area, thereby further improve the cooling effect of cooling liquid.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a heat exchanger, including box, box downside, shower nozzle, spray pump, basin, shower nozzle, spray pump, the box downside is provided with the basin, the box sets up and is used for carrying out cold water spray cooling's spray set to the heat exchanger, spray set includes raceway, shower nozzle, spray pump, the basin is connected with the spray pump of outside setting, the delivery port and the water piping connection of spray pump, the shower nozzle is located the box of heat exchanger top, raceway upper end and shower nozzle connection, the shower nozzle sets up a plurality ofly, and is a plurality of shower nozzle evenly distributed connects on the shower nozzle.

Through adopting above-mentioned technical scheme, carry the water in the basin to the shower through the spray pump in, spray the cooling through the heat exchanger of setting up the shower nozzle in the shower to the below to realize the recycling of water resource.

The present invention may be further configured in a preferred embodiment as: the box is provided with air cooling device, air cooling device includes air exhauster and air-inlet grille, the top at the box is installed to the air exhauster, the air-inlet grille is installed on the box lateral wall all around that is located the heat exchanger below.

Through adopting above-mentioned technical scheme, outside cold air enters into the box through the air-inlet grille and takes out through the air exhauster after contacting the heat absorption with the heat exchanger under the effect of air exhauster to further improve the heat exchange efficiency of heat exchanger.

The present invention may be further configured in a preferred embodiment as: the air exhauster sets up a plurality ofly, a plurality of the air exhauster equidistance is evenly installed at the box top.

By adopting the technical scheme, the number of the work of the exhaust fans is adjusted according to the actual cooling temperature, so that the air cooling efficiency can be realized, and the cooling temperature of the to-be-cooled liquid is adjusted.

The present invention may be further configured in a preferred embodiment as: and the side wall of the upper side of the water dividing pipe and the water collecting pipe is provided with an air outlet.

Through adopting above-mentioned technical scheme, when treating the coolant liquid to the input in the heat exchanger, through the gas outgoing of valve with the heat exchanger inside to the cooling effect of treating the coolant liquid is improved.

The present invention may be further configured in a preferred embodiment as: and evacuation ports are formed in the side walls of the lower sides of the water diversion pipe and the water collection pipe.

Through adopting above-mentioned technical scheme, accomplish cooling work back when the cooling tower, through the valve with the inside remaining coolant liquid of treating of heat exchanger discharge, avoid remaining liquid influence cooling next time and use.

The present invention may be further configured in a preferred embodiment as: the side wall of the water tank is provided with a water replenishing port, and the water replenishing port is connected with an external cooling water tower through a water pipe.

Through adopting above-mentioned technical scheme, when the basin water-logging is not enough or the temperature in the basin is too high, through the cooling water with in the cooling tower in the basin is mended to avoid influencing the cooling effect of heat exchanger.

The present invention may be further configured in a preferred embodiment as: an overflow port is arranged on the upper side of the side wall of the water tank.

Through adopting above-mentioned technical scheme, through setting up the overflow mouth on basin upside lateral wall, can be with the discharge of surplus water in the basin.

The present invention may be further configured in a preferred embodiment as: a sewage draining outlet is arranged at the lower side of the water tank.

Through adopting above-mentioned technical scheme, through the drain, conveniently discharge the inside sedimentary impurity in basin, avoid blockking up the shower nozzle.

To sum up, the utility model discloses a following at least one useful technological effect:

the cooling device comprises a plurality of cooling coils, a spraying device, an air cooling device, a water diversion pipe, a;

the external cold air enters the box body through the air inlet grille under the action of the exhaust fan, contacts with the heat exchanger to absorb heat and then is extracted through the exhaust fan, so that the heat exchange efficiency of the heat exchanger is further improved;

set up a plurality of air blowers, can adjust the number of air blower work according to actual need refrigerated temperature, can realize air-cooled efficiency to reach and adjust the cooling temperature who treats the coolant liquid.

Drawings

Fig. 1 is a side view of the case in this embodiment.

Fig. 2 is a front view of the case in this embodiment.

Fig. 3 is a front view of the heat exchanger in the present embodiment.

Fig. 4 is a side view of the heat exchanger in the present embodiment.

In the figure, 1, a box body; 11. an exhaust fan; 12. an air inlet grille; 13. opening and closing the door; 14. a collection tray; 15. climbing a ladder; 2. a water tank; 21. a water delivery pipe; 22. a shower pipe; 23. a spray head; 24. a spray pump; 25. a water replenishing port; 26. an overflow port; 27. a sewage draining outlet; 3. a cooling coil; 31. a frame; 32. a cooling tube; 33. connecting a bent pipe; 34. the clamp can be disassembled; 4. a water diversion pipe; 41. an exhaust port; 42. a pressure gauge; 43. emptying the air; 5. a water collecting pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a closed cooling tower, including box 1 with install in box 1 heat exchanger, set up and be used for carrying out cold water spray cooling's spray set and set up and carry out the forced air cooling device that air-cools to the heat exchanger on box 1 in box 1. The spraying device and the air cooling device are combined to carry out heat exchange and cooling on the liquid to be cooled in the heat exchanger, so that the cooling effect of the cooling tower is improved.

Referring to fig. 1, the spraying device comprises a water delivery pipe 21, a spraying pipe 22, spray heads 23 and a spraying pump 24, a water tank 2 is arranged on the lower side of the box body 1, the water tank 2 is connected with the spraying pump 24 arranged outside, a water outlet of the spraying pump 24 is connected with the water delivery pipe 21, the spraying pipe 22 is positioned in the box body 1 above the heat exchanger, the upper end of the water delivery pipe 21 is communicated with the spraying pipe 22, the spray heads 23 are arranged in a plurality, and the spray heads 23 are uniformly distributed and connected on the spraying pipe 22. The water in the water tank 2 is delivered to the shower pipe 22 by the shower pump 24, and the heat exchanger below is cooled by the shower head 23 provided in the shower pipe 22, thereby realizing the recycling of water resources.

Referring to fig. 1, a water replenishing port 25 is provided on the side wall of the water tank 2, and the water replenishing port 25 is connected to an external cooling water tower through a water pipe. When the water in the water tank 2 is not enough or the water temperature in the water tank 2 is too high, the cooling water in the cooling water tower is supplemented into the water tank 2, so that the cooling effect of the heat exchanger is avoided being influenced. An overflow port 26 is provided in the upper side wall of the water tank 2 to discharge excess water in the water tank 2. The downside lateral wall of basin 2 is provided with drain 27, and drain 27 is through the valve convenient impurity discharge with the inside deposit of basin 2, avoids blockking up shower nozzle 23.

Referring to fig. 1 and 2, the air cooling device includes an exhaust fan 11 and an air inlet grille 12, the exhaust fan 11 is installed at the top of the box body 1, the air inlet grille 12 is installed on the peripheral side wall of the box body 1 below the heat exchanger, and external cold air enters the box body 1 through the air inlet grille 12 under the action of the exhaust fan 11 and contacts with the heat exchanger to absorb heat and then is drawn out through the exhaust fan 11, so that the heat exchange efficiency of the heat exchanger is further improved. And air exhauster 11 sets up a plurality ofly, and a plurality of air exhausters 11 equidistance are evenly installed at 1 top of box, according to the refrigerated temperature of actual need, adjust the number of air exhauster 11 work, can realize air-cooled efficiency to reach the cooling temperature who treats the coolant liquid of regulation. Four suction fans 11 are provided in this embodiment.

Referring to fig. 2 and 3, the heat exchanger includes a frame 31, a cooling coil 3, a water distribution pipe 4 and a water collection pipe 5, the frame 31 is fixedly installed inside the box body 1, and the frame 31 is formed by welding stainless steel square pipes. Cooling coil 3 adopts the stainless steel pipe to make, and cooling coil 3 is the setting of S-shaped and cooling coil 3 sets up a plurality ofly, and the parallel interval fixed mounting of a plurality of cooling coil 3 is on frame 31, and cooling coil 3 passes through the staple bolt to be fixed on frame 31 in this embodiment. The distributive pipe 4 and the water collecting pipe 5 are arranged in the box body 1 in an up-down parallel mode, one end of the distributive pipe and one end of the water collecting pipe extend out of the box body 1, the upper ends of the plurality of cooling coil pipes 3 are connected with the side wall of the distributive pipe in the length direction at intervals, and the lower ends of the plurality of cooling coil pipes 3 are connected with the side wall of the water collecting pipe in the length direction at intervals. Through the external pipeline of flange joint, will treat during the coolant liquid input distributive pipe 4, then shunt to every cooling coil 3 that is S-shaped again, treat on the heat conduction of cooling liquid to cooling coil 3, take away the heat on cooling coil 3 through water cooling and forced air cooling combination to treat the coolant liquid and cool off, the liquid that the cooling was accomplished collects through catchment pipe 5 and sends out.

Referring to fig. 3 and 4, the cooling coil 3 includes a plurality of cooling pipes 32 and a plurality of connecting bent pipes 33, and two ends of two adjacent cooling pipes 32 are connected to the connecting bent pipes 33 by detachable clips 34. The removable clip 34 in this embodiment is a quick-fit clip of stainless steel. When cooling coil 3 is inside because the solid impurity or the fixed mixture of waiting to cool off liquid block up or long-time the use has impurity deposit to block up, through can dismantling clamp 34 conveniently will with cooling tube 32 both ends and connecting bend 33 realize dismantling fast to conveniently clear away the plug in the cooling coil 3. Simultaneously through dismantling clamp 34, conveniently change the cooling coil 3 of damage to can conveniently adjust the quantity of cooling tube 32 among the cooling coil 3, thereby conveniently adjust cooling coil 3's cooling area, thereby make things convenient for the different cooling temperature who treats cooling liquid of adaptation.

Referring to fig. 2 and 3, the cooling pipe 32 is provided to be inclined downward in the liquid flow direction so that the cooling coil 3 is not easily clogged. The inclination of the cooling pipe 32 in this embodiment is one percent, which is for cooling the zirconium slurry, and the weight ratio of the zirconium slurry is about fifty percent, and the inclination of the cooling pipe 32 is determined according to the consistency of the liquid to be cooled. The cooling pipe 32 and the connection elbow 33 are connected by a flange, and a waterproof rubber gasket (not shown in the figure) is arranged at the joint of the flange and is a high-temperature-resistant gasket. The removable clip 34 embraces the flange to which the stationary phase is attached. Through setting up the flange at cooling tube 32 and connection return bend 33 junction, improved the stability of cooling tube 32 and connection return bend 33 to through the waterproof cushion who sets up in the flange butt joint department, improved the leakproofness of cooling tube 32 and connection return bend 33.

Referring to fig. 1 and 2, the side walls of the box body 1 near the two ends of the cooling pipe 32 are provided with the two-way open-close doors 13, and the cooling coil 3 in the box body 1 is conveniently maintained and cleaned through the open-close doors 13 arranged on the side walls of the box body 1 at the two ends of the cooling pipe 32. A ladder stand 15 is vertically arranged on one side of the box body 1. All be provided with collection tray 14 in the box 1 that is located cooling tube 32 both ends tip below, through the collection tray 14 that sets up in cooling tube 32 below to the jam that makes clearance in the cooling coil 3 drops to in collecting tray 14, thereby avoids the jam to pollute inside the box 1.

Referring to fig. 1, the upper side wall of the water dividing pipe 4 and the water collecting pipe 5, which are located outside the box body 1, is provided with an exhaust port 41, and the exhaust port 41 is opened and closed through a valve. When the liquid to be cooled is input into the heat exchanger, the valve is opened firstly, and the gas in the heat exchanger is discharged, so that the cooling effect of the liquid to be cooled is improved. The upper side wall of the water collecting pipe 5, which is positioned outside the box body 1, is provided with a pressure gauge 42, and the pressure intensity of the water distributing pipe 4 and the water collecting pipe 5 can be known through the pressure gauge 42. The lower side wall of the water dividing pipe 4 and the water collecting pipe 5, which are positioned outside the box body 1, is provided with an emptying port 43, the emptying port 43 is opened and closed through a valve, and after the cooling tower finishes cooling work, the valve is opened, so that residual liquid to be cooled in the heat exchanger is discharged, and the influence of the residual liquid on next cooling use is avoided.

Referring to fig. 4, at least two heat exchangers are arranged, two adjacent water distribution pipes 4 and water collection pipes 5 are arranged in an inverted manner, the water collection pipe 5 of the front side heat exchanger is communicated with the water distribution pipe 4 of the rear side heat exchanger, so that a plurality of heat exchangers are connected in series in a segmented manner, and the number of the cooling coils 3 in the box body 1 is unchanged. The heat exchanger of the embodiment is provided with two. And one end of the water collecting pipe 5 extends out of the outer side of the box body 1 and is detachably sealed through a flange.

The implementation principle of the embodiment is as follows: the cooling liquid to be cooled is input into the water diversion pipe 4 and then is shunted into each S-shaped cooling coil 3 through the flange connection with an external conveying pipeline, the heat on the cooling liquid to be cooled is conducted to the cooling coil 3, the heat on the cooling coil 3 is taken away through the combination of the spraying device and the air cooling device, thereby cooling the liquid to be cooled, collecting and sending out the cooled liquid through a water collecting pipe 5, under the condition that the number of the cooling coils 3 is not changed, the cooling coils 3 are connected in series in sections, so that the liquid to be cooled in the cooling coils 3 is cooled for multiple times, the cooling area and the cooling time are improved, and then improved the cooling effect of treating the coolant liquid, can make simultaneously treat that the flow of coolant liquid enters into treating that the better abundant cooling coil 3 that is full of the coolant liquid that treats in the distributive pipe 4 under the lower circumstances to improve effectual cooling area, thereby further improve the cooling effect of coolant liquid.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The utility model provides a high-efficient closed cooling tower, includes box (1), installs heat exchanger in box (1), sets up and be used for carrying out cold water spray cooling's spray set and the air cooling device of setting on box (1) to the heat exchanger in box (1), its characterized in that: the heat exchanger comprises a frame (31), cooling coils (3), a plurality of distributive pipes (4) and water collecting pipes (5), wherein the frame (31) is fixedly installed inside a box body (1), the cooling coils (3) are arranged in an S shape, the cooling coils (3) are arranged in a plurality of numbers, the cooling coils (3) are fixedly installed on the frame (31) in parallel at intervals, the distributive pipes (4) and the water collecting pipes (5) are arranged in the box body (1) in an up-down parallel manner, the upper ends of the cooling coils (3) are connected with the side wall of the distributive pipes (4) in the length direction at intervals, the lower ends of the cooling coils (3) are connected with the side wall of the water collecting pipes (5) in the length direction at intervals, the heat exchanger is at least provided with two adjacent distributive pipes (4) and water collecting pipes (5) arranged in a reversed manner, the water collecting pipes (5) of the front side heat exchanger are communicated with the distributive pipes (4) of the rear side, so as to form a plurality of sectional series connection of heat exchangers, and the number of the cooling coils (3) in the box body (1) is unchanged.

2. A high efficiency closed cooling tower as claimed in claim 1, wherein: the heat exchanger is characterized in that a water tank (2) is arranged on the lower side of the box body (1), the box body (1) is provided with a spraying device used for carrying out cold water spraying cooling on the heat exchanger, the spraying device comprises a water conveying pipe (21), a spraying pipe (22), a spray head (23) and a spraying pump (24), the water tank (2) is connected with the spraying pump (24) arranged outside, a water outlet of the spraying pump (24) is connected with the water conveying pipe (21), the spraying pipe (22) is located in the box body (1) above the heat exchanger, the upper end of the water conveying pipe (21) is connected with the spraying pipe (22), and the spray head (23) is provided with a plurality of spray heads (23) which are uniformly distributed and connected on the spraying pipe (22).

3. A high-efficiency closed cooling tower as claimed in claim 1 or 2, wherein: the air cooling device is characterized in that the box body (1) is provided with an air cooling device, the air cooling device comprises an air exhauster (11) and an air inlet grille (12), the air exhauster (11) is installed at the top of the box body (1), and the air inlet grille (12) is installed on the side wall of the box body (1) below the heat exchanger.

4. A high efficiency closed cooling tower as claimed in claim 3, wherein: the exhaust fans (11) are arranged in a plurality of equal-distance and uniform installation at the top of the box body (1) and are arranged in the plurality of equal-distance and uniform installation mode.

5. A high efficiency closed cooling tower as claimed in claim 1, wherein: and the upper side walls of the water dividing pipe (4) and the water collecting pipe (5) are provided with exhaust ports (41).

6. A high efficiency closed cooling tower as claimed in claim 1, wherein: and the side walls of the lower sides of the water diversion pipe (4) and the water collection pipe (5) are provided with evacuation ports (43).

7. A high efficiency closed cooling tower as claimed in claim 2, wherein: the side wall of the water tank (2) is provided with a water replenishing port (25), and the water replenishing port (25) is connected with an external cooling water tower through a water pipe.

8. A high efficiency closed cooling tower as claimed in claim 2, wherein: an overflow port (26) is arranged on the upper side of the side wall of the water tank (2).

9. A high efficiency closed cooling tower as claimed in claim 2, wherein: a sewage draining outlet (27) is arranged at the lower side of the water tank (2).

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