CN210638547U

CN210638547U - Multistage spray cooling tower is used in anhydrous sodium sulphate production

Info

Publication number: CN210638547U
Application number: CN201920808117.0U
Authority: CN
Inventors: 李国生; 安伟芹; 韦永祥
Original assignee: Jiangsu Ruihong Salt Industry Co ltd
Current assignee: Jiangsu Ruihong Salt Industry Co ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-05-29
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a multistage spray cooling tower is used in anhydrous sodium sulphate production, including first cooling tower and second cooling tower, the left end of first cooling tower is connected with second cooling tower's right-hand member, the outside of first cooling tower is provided with first shell, the upper end of first shell is provided with the air exit, the air exit inboard is provided with the exhaust fan, the below is provided with the spray thrower, the below of spray thrower is provided with heat transfer coil pipe, its water inlet and delivery port are located the outside top and the below of first shell respectively, the air intake has been seted up to first shell below, the bottom of first shell is provided with the header tank, the outside fixed mounting of header tank has the water pump, and the inlet tube and the header tank intercommunication of water pump, second cooling tower's outside is provided with the second shell, the inside of second shell is provided with helical coil pipe, cooling water export and import are located lower extreme on the second shell. This multistage spray cooling tower is used in sodium sulfate production cools down to needing cooling liquid through two kinds of cooling methods, has improved the heat transfer effect of cooling.

Description

Multistage spray cooling tower is used in anhydrous sodium sulphate production

Technical Field

The utility model relates to a cooling arrangement technical field specifically is a multistage spray cooling tower is used in anhydrous sodium sulphate production.

Background

The anhydrous sodium sulphate production process needs to use a spray cooling tower, but the traditional spray cooling tower has a plurality of problems.

Traditional spray cooling tower only cools off liquid through a mode, and this kind of single cooling method exists and needs cooling liquid not reach the problem of knowing cooling temperature when a cooling tower is gone out, is unfavorable for subsequent liquid and uses. In addition, the traditional cooling tower only depends on the exhaust fan to drive the airflow to cool the interior of the cooling tower, and the effect is limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistage spray cooling tower is used in anhydrous sodium sulphate production, has reached high-efficient refrigerated effect.

In order to achieve the above object, the utility model provides a following technical scheme: a multistage spray cooling tower for producing anhydrous sodium sulphate comprises a primary cooling tower and a secondary cooling tower, wherein the left end of the primary cooling tower is connected with the right end of the secondary cooling tower.

The primary cooling tower consists of a first shell, a motor, an exhaust fan, a dehydrator, a sprayer, a heat exchange coil, an air inlet, a water collecting tank and a water pump, a first shell is arranged outside the primary cooling tower, an air outlet is arranged at the upper end of the first shell, an exhaust fan is arranged on the inner side of the exhaust outlet and driven by a motor above, a dehydrator is fixedly arranged above the inner part of the first shell, a sprayer is arranged below the dehydrator, a heat exchange coil is arranged below the sprayer, a water inlet of the heat exchange coil is positioned above the outer side of the first shell, the water outlet of the heat exchange coil is positioned below the outer side of the first shell, the first shell below the heat exchange coil is provided with an air inlet, the bottom of first shell is provided with the header tank, the outside fixed mounting of header tank has the water pump, just the inlet tube and the header tank intercommunication of water pump.

The secondary cooling tower comprises a second shell, a spiral coil, a cooling water inlet and a cooling water outlet, the second shell is a cylinder, the second shell is arranged outside the secondary cooling tower, the spiral coil is arranged inside the second shell, the water inlet and the water outlet of the spiral coil are respectively positioned above the right side and below the left side of the second shell, and the upper end and the lower end of the second shell are respectively fixedly connected with the cooling water outlet and the cooling water inlet.

Preferably, the sprayer includes spray box, vertical water pipe and shower head, the outside of sprayer is provided with the spray box, the lower extreme fixed mounting who sprays the box has vertical water pipe, the upper end opening of vertical water pipe, lower extreme fixed mounting have the shower head, the outside and the spray box inner wall of vertical water pipe form the accommodation space, the outside bottom fixedly connected with inlet tube of spray box.

Preferably, the outer end of the air inlet is provided with a larger opening, and the inner side of the air inlet is provided with a smaller opening, that is, the cross section of the air inlet is a funnel-shaped hole with a larger outer part and a smaller inner part.

Preferably, a water outlet pipe and a water replenishing pipe are fixedly mounted on the outer side of the water collecting tank.

Preferably, the cooling water outlet is communicated with the water collecting tank, and the communication position of the cooling water outlet is far away from the water pump.

Preferably, the outlet pipe bifurcation of water pump forms two water pipes, one with spray thrower inlet tube intercommunication, one with the cooling water import intercommunication, and two water pipes all are provided with the valve.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this multistage spray cooling tower for anhydrous sodium sulphate production has reached the effect that the abundant cooling needs the cooling liquid through setting up two-stage cooling tower. Traditional spray cooling tower only cools off liquid through a mode, and this kind of single cooling method exists and needs cooling liquid not reach the problem of knowing cooling temperature when a cooling tower is gone out, is unfavorable for subsequent liquid and uses. The spraying cooling tower effectively avoids the problems by two cooling modes and can achieve the purpose of full cooling.

(2) This anhydrous sodium sulphate production is with multistage spray cooling tower's vent adopts the big-end-up inside little hourglass hopper-shaped hole design, and this kind of design makes the air can make the air compressed when the vent, and the air of compressed can reduce 3 to 5 degrees centigrade, has just so improved the cooling effect of outside air rivers after to the heat transfer, also improves to some extent to the cooling effect of heat transfer coil pipe.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the sprinkler of the present invention;

FIG. 3 is a schematic view of the air inlet structure of the present invention;

fig. 4 is a schematic structural view of the secondary cooling tower of the present invention.

In the figure: the cooling system comprises a first-stage cooling tower 1, a first shell 101, a motor 102, an exhaust fan 103, a 104 dehydrator, a 105 sprayer, a 1051 spray box, a 1052 vertical water pipe, a 1053 spray head, a 1054 accommodating space, a 106 heat exchange coil, a 107 air inlet, a 108 water collecting tank, a 109 water pump, a second-stage cooling tower 2, a second shell 201, a 202 spiral coil, a 203 cooling water inlet and a 204 cooling water outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a multistage spray cooling tower for producing anhydrous sodium sulphate comprises a primary cooling tower 1 and a secondary cooling tower 2, wherein the left end of the primary cooling tower 1 is connected with the right end of the secondary cooling tower 2.

The primary cooling tower 1 comprises a first shell 101, a motor 102, an exhaust fan 103, a dehydrator 104, a sprayer 105, a heat exchange coil 106, an air inlet 107, a water collecting tank 108 and a water pump 109, wherein the first shell 101 is arranged outside the primary cooling tower 1, an air outlet is arranged at the upper end of the first shell 101, the exhaust fan 103 is arranged at the inner side of the air outlet, the exhaust fan 103 is driven by the motor 102 above, the model of the motor 102 can be 71M1-2, the dehydrator 104 is fixedly arranged above the inner part of the first shell 101, the sprayer 105 is arranged below the dehydrator 104, the sprayer 105 comprises a spray tank 1051, a vertical water pipe 1052 and a spray head 1053, the spray tank 1051 is arranged outside the sprayer 105, the vertical water pipe 1052 is fixedly arranged at the lower end of the spray tank 1051, the upper end of the vertical water pipe 1052 is opened, the spray head 1053 is fixedly arranged at the lower end, an accommodating space 1054 is formed by the outer part of the vertical water pipe, the outside bottom fixedly connected with inlet tube of spray box 1051, traditional spray set can take lead first from the nearly shower nozzle of water inlet to go out water, make heat exchange coil 106 cold and hot inhomogeneous phenomenon has appeared, can shorten its life in the long term, and this spray box 1051 accessible accommodation space 1054 carries out temporary preservation to rivers, take rivers to reach the take rivers after the take the altitude, rivers can unify the height that reaches vertical water pipe 1052 upper end, finally lead to rivers to unify from shower head 1053 blowout, effectively avoid above-mentioned problem. The below of spray thrower 105 is provided with heat exchange coil 106, heat exchange coil 106's water inlet is located first shell 101 outside top, and heat exchange coil 106's delivery port is located first shell 101's outside below, air intake 107 has been seted up on the first shell 101 of heat exchange coil 106 below, the outer end of air intake 107 has great opening, the inboard has less opening, the cross-section of air intake 107 is a big-outer little funnel shaped hole, this kind of design makes the air can make the air compressed when passing through vent 107, and the air of compressed can reduce 3 to 5 degrees centigrade, just so improved the cooling effect of outside air rivers after to the heat transfer, the cooling effect to heat exchange coil 106 also improves to some extent. The bottom of first shell 101 is provided with header tank 108, and the outside fixed mounting of header tank 108 has outlet pipe and moisturizing pipe, and the outside fixed mounting of header tank 108 has water pump 109, and water pump 109's model can be Y505901, and water pump 109's inlet tube and header tank 108 intercommunication, and water pump 109's outlet pipe bifurcation forms two water pipes, one with spray thrower 105 inlet tube intercommunication, one with cooling water inlet 203 intercommunication, and two water pipes all are provided with the valve.

The secondary cooling tower 2 is composed of a second shell 201, a spiral coil 202, a cooling water inlet 203 and a cooling water outlet 204, the second shell 201 is a cylinder, the second shell 201 is arranged outside the secondary cooling tower 2, the spiral coil 202 is arranged inside the second shell 201, a water inlet and a water outlet of the spiral coil 202 are respectively located above the right and below the left of the second shell 201, the upper end and the lower end of the second shell 201 are fixedly connected with the cooling water outlet 204 and the cooling water inlet 203 respectively, the cooling water outlet 204 is communicated with the water collecting tank 108, and the water pump 109 is far away from the communication position of the cooling water outlet 204, so that water flow after heat exchange can be prevented from being immediately pumped away by the water pump 109. The secondary cooling tower 2 achieves the purpose of heat exchange and temperature reduction by directly contacting the spiral coil 202 with cooling water.

Traditional spray cooling tower only cools off liquid through a mode, and this kind of single cooling method exists and needs cooling liquid not reach the problem of knowing cooling temperature when a cooling tower is gone out, is unfavorable for subsequent liquid and uses. The spraying cooling tower effectively avoids the problems by two cooling modes and can achieve the purpose of full cooling.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the heat exchanger is used, water flow is sprayed out by the sprayer 105, liquid needing to be cooled flows in the heat exchange coil 106, the sprayed water flow cools the heat exchange coil 106 to achieve the purpose of heat exchange, then the water flow falls into the water collecting tank 108, in the process, the exhaust fan 103 exhausts internal hot air, and cold air enters from the air inlet 107 and cools the heat exchange coil 106 and the water flow after heat exchange. Then, the cooling liquid enters the spiral coil 202, and the cooling water directly contacts the spiral coil 202 to achieve the purpose of heat exchange and temperature reduction.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are 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.

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. The utility model provides a multistage spray cooling tower is used in anhydrous sodium sulphate production, includes first cooling tower (1) and second cooling tower (2), its characterized in that: the left end of the primary cooling tower (1) is connected with the right end of the secondary cooling tower (2);

the primary cooling tower (1) comprises a first shell (101), a motor (102), an exhaust fan (103), a dehydrator (104), a sprayer (105), a heat exchange coil (106), an air inlet (107), a water collecting tank (108) and a water pump (109), wherein the first shell (101) is arranged outside the primary cooling tower (1), an air outlet is formed in the upper end of the first shell (101), the exhaust fan (103) is arranged on the inner side of the air outlet, the exhaust fan (103) is driven by the motor (102) above, the dehydrator (104) is fixedly arranged above the inner part of the first shell (101), the sprayer (105) is arranged below the dehydrator (104), the heat exchange coil (106) is arranged below the sprayer (105), the water inlet of the heat exchange coil (106) is arranged above the outer side of the first shell (101), and the water outlet of the heat exchange coil (106) is arranged below the outer side of the first shell (101), an air inlet (107) is formed in the first shell (101) below the heat exchange coil (106), a water collecting tank (108) is arranged at the bottom of the first shell (101), a water pump (109) is fixedly mounted on the outer side of the water collecting tank (108), and a water inlet pipe of the water pump (109) is communicated with the water collecting tank (108);

the secondary cooling tower (2) comprises a second shell (201), a spiral coil (202), a cooling water inlet (203) and a cooling water outlet (204), the second shell (201) is a cylinder, the second shell (201) is arranged outside the secondary cooling tower (2), the spiral coil (202) is arranged inside the second shell (201), a water inlet and a water outlet of the spiral coil (202) are respectively positioned above the right and below the left of the second shell (201), and the upper end and the lower end of the second shell (201) are respectively fixedly connected with the cooling water outlet (204) and the cooling water inlet (203).

2. The multi-stage spray cooling tower for producing anhydrous sodium sulphate according to claim 1, which is characterized in that: the spray thrower (105) comprises a spray box (1051), a vertical water pipe (1052) and a spray head (1053), the outer side of the spray thrower (105) is provided with the spray box (1051), the lower end of the spray box (1051) is fixedly provided with the vertical water pipe (1052), the upper end of the vertical water pipe (1052) is opened, the lower end of the vertical water pipe is fixedly provided with the spray head (1053), the outer part of the vertical water pipe (1052) and the inner wall of the spray box (1051) form an accommodating space (1054), and the outer bottom of the spray box (1051) is fixedly connected with a water inlet pipe.

3. The multi-stage spray cooling tower for producing anhydrous sodium sulphate according to claim 1, which is characterized in that: the outer end of the air inlet (107) is provided with a larger opening, the inner side of the air inlet is provided with a smaller opening, namely the cross section of the air inlet (107) is a funnel-shaped hole with a larger outer part and a smaller inner part.

4. The multi-stage spray cooling tower for producing anhydrous sodium sulphate according to claim 1, which is characterized in that: and a water outlet pipe and a water replenishing pipe are fixedly arranged on the outer side of the water collecting tank (108).

5. The multi-stage spray cooling tower for producing anhydrous sodium sulphate according to claim 1, which is characterized in that: the cooling water outlet (204) is communicated with the water collecting tank (108) and is communicated with the water pump (109).

6. The multi-stage spray cooling tower for producing anhydrous sodium sulphate according to claim 1, which is characterized in that: the water outlet pipe of the water pump (109) is branched to form two water pipes, one water pipe is communicated with the water inlet pipe of the sprayer (105), the other water pipe is communicated with the cooling water inlet (203), and the two water pipes are provided with valves.