CN2762042Y

CN2762042Y - Cooler for closed cooling tower

Info

Publication number: CN2762042Y
Application number: CN 200420109298
Authority: CN
Inventors: 周自平
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-11-28
Filing date: 2004-11-28
Publication date: 2006-03-01
Anticipated expiration: 2014-11-28

Abstract

The utility model relates to a cooler for closed cooling towers. When a closed cooling tower is powered off, accumulated water in a cooling pipe can be discharged in time, so that the cooling pipe is not easy to freeze to crack and the service life is long. The utility model comprises a cooling pipe. The head end and the tail end of the cooling pipe are respectively connected with a water inlet catchment pipe and a water outlet catchment pipe which are respectively connected with a water inlet pipe and a water outlet pipe, and an air discharging pipe is arranged on the water inlet pipe at the combining position of the water inlet pipe and the water inlet catchment pipe. The utility model is characterized in that the cooling pipe is arranged slantwise, the straight pipe section of the cooling pipe has an included angle with the horizontal direction and the bent pipe section positioned at the slanting low level side of the cooling pipe or the bent pipe section positioned at the slanting low level side and the catchment pipes distributed at the side are respectively communicated with a water discharging device.

Description

The closed cooling tower cooler

(1) technical field

The utility model relates to the closed cooling tower accessory, is specially the closed cooling tower cooler.

(2) background technology

Existing closed cooling tower is seen Fig. 1 with cooler construction, and it comprises cooling tube 3, and the head end of cooling tube 3, tail end connect water inlet collection pipe 2 and water outlet collection pipe 4 respectively, and water inlet collection pipe 2 is connected water inlet pipe 1 and outlet pipe 5 respectively with water outlet collection pipe 4.Hot water enters cooling tube by water inlet pipe, water inlet collection pipe during closed cooling tower work, the shower water of closed cooling tower constantly sprays cooling tube, the cooling water of spray can be taken away the heat of cooling tube timely, thereby realizes the cooling to hot water in the cooling tube.Because processing or the relation of installing, can not guarantee the complete level of straight pipeline of the cooling tube of cooler, like this when stopping work, just have ponding in the bend of cooling tube, and ponding can't be discharged, under the lower condition of temperature, as under the temperature of subzero tens degree in the north, will freeze in the cooling tube, cooling tube is bursting by freezing very easily.

(3) summary of the invention

At existing closed cooling tower cooler; when cooling tower is shut down; ponding can't be discharged in the bend of cooling tube, under the lower condition of temperature, will freeze in the cooling tube; cooling tube is the shortcoming of bursting by freezing very easily; the utility model provides another closed cooling tower cooler, and when cooling tower was shut down, the ponding in the cooling tube can in time be discharged; cooling tube is difficult for bursting by freezing, and service life is longer.

Its technical scheme is such: it comprises cooling tube, the head end of described cooling tube, tail end connects water inlet collection pipe and water outlet collection pipe respectively, described water inlet collection pipe is connected water inlet pipe and outlet pipe respectively with the water outlet collection pipe, junction at described water inlet pipe and described water inlet collection pipe, described water inlet pipe is provided with blast pipe, it is characterized in that: described cooling tube is and is in tilted layout, the straight length and the horizontal direction of cooling tube have angle, and the bend loss that is positioned at the bend loss of the low level side that cooling tube tilts or is positioned at the low level side that cooling tube tilts is connected with steam trap connection respectively with the collection pipe that is distributed in this side and communicates.

It is further characterized in that: the straight length of cooling tube and the angle of horizontal direction are 0.5 °-40 °; Described cooling tube head end, tail end all are in the low level side that cooling tube tilts, described steam trap connection comprises time collection pipe, described collection pipe respectively with the communicating being connected of bend pipe of cooling tube low level side, described time collection pipe, water inlet collection pipe are connected drain pipe by flexible pipe, magnetic valve respectively with the water outlet collection pipe, and described drain pipe connects water tank by water pump; Described cooling tube head end, tail end all are in the high-order side that cooling tube tilts, described steam trap connection comprises time collection pipe, the bend pipe of the low level side that described collection pipe tilts with cooling tube respectively is connected and communicates, described time collection pipe connects drain pipe by flexible pipe, magnetic valve respectively, and described drain pipe connects water tank by water pump; Described cooling tube head end, tail end lay respectively at the both sides of cooler, the head end of described cooling tube is in the low level side of cooling tube inclination, the tail end of cooling tube is in the high-order side that cooling tube tilts, described steam trap connection comprises time collection pipe, the bend pipe of the low level side that described collection pipe tilts with cooling tube respectively is connected and communicates, described time collection pipe, water inlet collection pipe connect drain pipe by flexible pipe, magnetic valve respectively, and described drain pipe connects water tank by water pump; Described cooling tube head end, tail end lay respectively at the both sides of cooler, the head end of described cooling tube is in the high-order side of cooling tube inclination, the tail end of cooling tube is in the low level side that cooling tube tilts, described steam trap connection comprises time collection pipe, the bend pipe of the low level side that described collection pipe tilts with cooling tube respectively is connected and communicates, described time collection pipe, water outlet collection pipe connect drain pipe by flexible pipe, magnetic valve respectively, and described drain pipe connects water tank by water pump.

In the said structure of the present utility model, the bend loss of the low level side that the bend loss of the low level side that cooling tube tilts or cooling tube tilt is connected with steam trap connection respectively with the collection pipe that is distributed in this side and communicates, like this when closed cooling tower quits work, ponding in the cooling pipe can in time be discharged, under the lower condition of temperature, cooling tube is difficult for bursting by freezing, the service life of cooling tube is longer, thereby avoided existing soft water closed cooling tower cooler, ponding in the bend of its cooling tube can't be discharged, under the lower condition of temperature, will freeze in the cooling tube, cooling tube is the shortcoming of bursting by freezing very easily.

(4) description of drawings

Fig. 1 is the structural representation of existing closed cooling tower with cooler;

Fig. 2, Fig. 4, Fig. 5, Fig. 6 are respectively the structural representation that the master of each embodiment of the utility model looks;

The structural relation figure that Fig. 3 overlooks for cooling tube, water inlet collection pipe, water inlet pipe, outlet pipe among Fig. 2.

(5) specific embodiment

See Fig. 2, Fig. 3, it comprises cooling tube 5, the head end of cooling tube 5, tail end connects water inlet collection pipe 3 and water outlet collection pipe 7 (arrow among the figure is represented water (flow) direction) respectively, water inlet collection pipe 3 is connected water inlet pipe 1 and outlet pipe 6 respectively with water outlet collection pipe 7, in the junction of water inlet pipe 1 with water inlet collection pipe 3, water inlet pipe 1 is provided with blast pipe 2, cooling tube 5 is and is in tilted layout, the straight length and the horizontal direction of cooling tube 5 have angle, and the bend loss that is positioned at the bend loss of the low level side that cooling tube 5 tilts or is positioned at the low level side that cooling tube 5 tilts is connected with steam trap connection respectively with the collection pipe that is distributed in this side and communicates.The angle a of the straight length of cooling tube 5 and horizontal direction is 0.5 °-40 °; See Fig. 2, cooling tube 5 head ends, tail end all are in the low level side that cooling tube tilts, steam trap connection comprises time collection pipe 4, inferior collection pipe 4 respectively with the communicating being connected of bend pipe of cooling tube 5 low level sides, inferior collection pipe 4, water inlet collection pipe 3 are connected drain pipe 10 by flexible pipe 9, magnetic valve 8 respectively with water outlet collection pipe 7 (flexible pipe 9 have many among Fig. 2.The quantity of cooling tube 5 can be decided according to cooling requirement, gives expression to 11 among Fig. 3), drain pipe 10 connects water tank 12 by water pump 11, and this is embodiment 1; See Fig. 4, cooling tube 5 head ends, tail end all are in the high-order side that cooling tube tilts, steam trap connection comprises time collection pipe 4, the bend pipe of the low level side that inferior collection pipe 4 tilts with cooling tube respectively is connected and communicates, inferior collection pipe 4 connects drain pipe 10 by flexible pipe 9, magnetic valve 8 respectively, drain pipe 10 connects water tank 12 by water pump 11, and this is embodiment 2; See Fig. 5, cooling tube 5 head ends, tail end lay respectively at the both sides of cooler, low level side, tail end that the head end of cooling tube 5 is in cooling tube 5 inclinations are in the high-order side that cooling tube 5 tilts, steam trap connection comprises time collection pipe 4, the bend pipe of the low level side that inferior collection pipe 4 tilts with cooling tube 5 respectively is connected and communicates, inferior collection pipe 4, water inlet collection pipe 3 connect drain pipe 10 by flexible pipe 9, magnetic valve 8 respectively, and drain pipe 10 connects water tank 12 by water pump 11, and this is embodiment 3; See Fig. 6, cooling tube 5 head ends, tail end lay respectively at the both sides of cooler, high-order side, tail end that the head end of cooling tube 5 is in the cooling tube inclination are in the low level side that cooling tube tilts, steam trap connection comprises time collection pipe 4, the bend pipe of the low level side that inferior collection pipe 4 tilts with cooling tube respectively is connected and communicates, inferior collection pipe 4, water outlet collection pipe 7 connect drain pipe 10 by flexible pipe 9, magnetic valve 8 respectively, and drain pipe 10 connects water tank 12 by water pump 11, and this is embodiment 4.Below in conjunction with accompanying drawing course of action of the present utility model is described: during cooler work, hot water enters into water collection pipe 3 by water inlet pipe 1, collection pipe 3 is transported to each cooling tube 5 (see figure 3) with water, the hot water that flows enters water outlet collection pipe 7 from each cooling tube 5 respectively at last, flow back into outlet pipe 6 by water outlet collection pipe 7, meanwhile, the spray equipment of closed cooling tower is constantly to cooling tube spray cooling water, thereby reach cooling to cooling water in the cooling tube, when closed cooling tower is stopped work, open magnetic valve 8, ponding in the cooling tube 5 is by time collection pipe 4, flexible pipe 9, magnetic valve 8, drain water piping 10 is got back to water tank 12, when closed cooling tower was reworked, water pump 11 was sent the water in the water tank 12 back to cooling tube 5, the loss that additional hot water circuit causes.

Claims

1, the closed cooling tower cooler, it comprises cooling tube, the head end of described cooling tube, tail end connects water inlet collection pipe and water outlet collection pipe respectively, described water inlet collection pipe is connected water inlet pipe and outlet pipe respectively with the water outlet collection pipe, junction at described water inlet pipe and described water inlet collection pipe, described water inlet pipe is provided with blast pipe, it is characterized in that: described cooling tube is and is in tilted layout, the straight length and the horizontal direction of cooling tube have angle, and the bend loss that is positioned at the bend loss of the low level side that cooling tube tilts or is positioned at the low level side that cooling tube tilts is connected with steam trap connection respectively with the collection pipe that is distributed in this side and communicates.

2, according to the described cooler of claim 1, it is characterized in that: the straight length of cooling tube and the angle of horizontal direction are 0.5 °-40 °.

3, according to claim 1 or 2 described coolers, it is characterized in that: described cooling tube head end, tail end all are in the low level side that cooling tube tilts, described steam trap connection comprises time collection pipe, described collection pipe respectively with the communicating being connected of bend pipe of cooling tube low level side, described time collection pipe, water inlet collection pipe are connected drain pipe by flexible pipe, magnetic valve respectively with the water outlet collection pipe, and described drain pipe connects water tank by water pump.

4, according to the described cooler of claim 1, it is characterized in that: described cooling tube head end, tail end all are in the high-order side that cooling tube tilts, described steam trap connection comprises time collection pipe, the bend pipe of the low level side that described collection pipe tilts with cooling tube respectively is connected and communicates, described time collection pipe connects drain pipe by flexible pipe, magnetic valve respectively, and described drain pipe connects water tank by water pump.

5, according to the described cooler of claim 1, it is characterized in that: described cooling tube head end, tail end lay respectively at the both sides of cooler, low level side, tail end that the head end of described cooling tube is in the cooling tube inclination are in the high-order side that cooling tube tilts, described steam trap connection comprises time collection pipe, the bend pipe of the low level side that described collection pipe tilts with cooling tube respectively is connected and communicates, described time collection pipe, water inlet collection pipe connect drain pipe by flexible pipe, magnetic valve respectively, and described drain pipe connects water tank by water pump.

6, according to the described cooler of claim 1, it is characterized in that: described cooling tube head end, tail end lay respectively at the both sides of cooler, high-order side, tail end that the head end of described cooling tube is in the cooling tube inclination are in the low level side that cooling tube tilts, described steam trap connection comprises time collection pipe, the bend pipe of the low level side that described collection pipe tilts with cooling tube respectively is connected and communicates, described time collection pipe, water outlet collection pipe connect drain pipe by flexible pipe, magnetic valve respectively, and described drain pipe connects water tank by water pump.