CN207314032U - A cooling water circulation device for a paper machine - Google Patents

Abstract

The utility model discloses a cooling water circulation device of a paper machine, which comprises a seat body, a temperature mixing water tank arranged at the bottom of the seat body, a fan heat dissipation mechanism arranged above the temperature mixing water tank, an S-shaped heat dissipation mechanism arranged above the fan heat dissipation mechanism, and a tower-shaped heat dissipation mechanism arranged above the S-shaped heat dissipation mechanism; the bottom of the tower-shaped heat dissipation mechanism is connected to an inlet of the S-shaped heat dissipation mechanism through a pipeline; the outlet of the S-shaped heat dissipation mechanism is connected to the inlet of the fan heat dissipation mechanism through a pipeline; the outlet of the fan heat dissipation mechanism is connected to the upper part of the temperature mixing water tank through a pipeline; the top of the tower-shaped heat dissipation mechanism is connected to an outlet of a point to be cooled of the paper machine through a pipeline; the base body is also provided with a circulating pump; the utility model discloses a cooling water circle device of paper machine adopts the tertiary cooling mode of natural cooling, fan forced air cooling and condenser cooling, has guaranteed that the cooling temperature is fit for the paper machine cooling point.

Description

A cooling water circulation device for a paper machine

technical field

The utility model relates to papermaking equipment, in particular to a cooling water circulation device for a papermaking machine, and belongs to the technical field of papermaking equipment.

Background technique

Due to the requirements of the process and the equipment itself, the existing papermaking equipment needs to cool down multiple parts of the paper machine. For example, in the prior art, tap water is used for cooling, that is, the cooling cylinder of the paper machine, the surface condenser for the three-stage steam passage, Air compressors and thin oil stations and other equipment to ensure product quality and safe use of equipment, but tap water is for one-time use, and cooling the above-mentioned equipment through one-time tap water is a great waste of water resources; the existing cooling water cycle There are many types of devices, such as Chinese patent application number: 201010280783.5, which discloses a cooling water circulation device for projection welding machines, including a cooling pool, a booster pump, and a circulation pipeline. A circulation pipeline is arranged on the bottom side of the cooling pool, and the outlet of the pipeline Connect back to the cooling pool, and install a booster pump on the circulation pipeline; when using the present invention, the hot waste water in the cooling pool flows through the circulation pipeline at the bottom under the action of the booster pump to obtain sufficient heat dissipation in the circulation pipeline. , and finally flows back to the cooling pool, so that the cooling water is fully utilized; but it cannot satisfy the cooling cycle of the cooling water of the paper machine.

Utility model content

In order to solve the above problems, the utility model proposes a cooling water circulation device for a paper machine, which adopts a three-stage cooling method of natural cooling, fan air cooling and condenser cooling, which ensures that the cooling temperature is suitable for the cooling point of the paper machine.

The cooling water circulation device of the paper machine of the utility model includes a base body, a temperature-mixing water tank installed at the bottom of the base body, a fan cooling mechanism installed above the temperature-mixing water tank, and an S-shaped cooling mechanism installed above the fan cooling mechanism , and a tower-type heat dissipation mechanism installed above the S-type heat dissipation mechanism; the bottom of the tower-type heat dissipation mechanism is connected to the inlet of the S-type heat dissipation mechanism through a pipeline; the outlet of the S-type heat dissipation mechanism is connected to the inlet of the fan heat dissipation mechanism through a pipeline; The outlet of the fan heat dissipation mechanism is connected to the top of the mixed temperature water tank through a pipeline; the top of the tower type heat dissipation mechanism is connected to the outlet of the cooling point of the paper machine through a pipeline; a circulation pump is also installed on the base; the circulation pump is connected to the The bottom of the temperature-mixing water tank; the output end of the circulation pump is connected to the inlet of the cooling point of the paper machine; the temperature-mixing water tank is installed with a first temperature detection device at the outlet of the fan cooling mechanism; the temperature-mixing water tank is installed at the inlet of the circulation pump There is a second temperature detection device; the first temperature detection device and the second temperature detection device are electrically connected to the controller; the controller is also electrically connected to a fan heat dissipation mechanism; a condenser assembly is installed inside the mixed temperature water tank; The tower-type heat dissipation mechanism can make the cooling water contact with the air in a large area to achieve a rapid heat dissipation effect, and then carry out secondary natural heat dissipation through the S-type heat dissipation mechanism, and then judge whether the threshold value is exceeded according to the first temperature detection device and the second temperature detection device. After the threshold is exceeded, the fan heat dissipation mechanism adds heat dissipation, and when the temperature exceeds the threshold and reaches the upper threshold, the condenser assembly performs cooling.

As a preferred embodiment, the fan heat dissipation mechanism includes an electric heat dissipation base, and a first circulation pipe composed of a plurality of U-shaped pipes and inverted U-shaped pipes is installed on the electric heat dissipation base; Radiating louvers are sequentially welded on a circulation pipe; a cooling fan is installed on the electric cooling base close to the radiating louvers.

As a preferred embodiment, the S-shaped heat dissipation mechanism includes a natural heat dissipation base, on which a second circulation pipe composed of a plurality of U-shaped tubes and inverted U-shaped tubes is installed.

As a preferred embodiment, the tower-type heat dissipation mechanism includes a sealed tower, and a plurality of staggered heat dissipation circulation fins are sequentially installed inside the sealed tower from top to bottom.

As a preferred embodiment, guide wheels are installed at the bottom of the seat body.

Compared with the prior art, the utility model adopts a three-stage cooling method of natural cooling, fan air cooling and condenser cooling in the cooling water circulation device of the paper machine of the utility model. During the cooling process, the first temperature detection device can and the second temperature detection device, and judge through the controller to determine the selection of a certain cooling mode, ensuring that the cooling temperature is suitable for the cooling point of the paper machine.

Description of drawings

Fig. 1 is a schematic structural view of Embodiment 1 of the present utility model.

Detailed ways

Example 1:

As shown in Figure 1, the cooling water circulation device of the paper machine of the present invention includes a base 1, a temperature mixing water tank 2 installed at the bottom of the base body, a fan heat dissipation mechanism 3 installed above the temperature mixing water tank, and a The S-shaped cooling mechanism 4 above the fan cooling mechanism, and the tower-shaped cooling mechanism 5 installed above the S-shaped cooling mechanism; the bottom of the tower-shaped cooling mechanism 5 is connected to the entrance of the S-shaped cooling mechanism 4 through a pipeline; the S-shaped cooling mechanism The outlet of the mechanism 4 is connected to the inlet of the fan cooling mechanism 3 through a pipeline; the outlet of the fan cooling mechanism 3 is connected to the top of the temperature mixing water tank 2 through a pipeline; the top of the tower type cooling mechanism 5 is connected to the outlet of the cooling point 6 of the paper machine through a pipeline; A circulation pump 7 is also installed on the base 1; the circulation pump 7 is connected to the bottom of the temperature mixing water tank 2 through a pipeline; the output end of the circulation pump 7 is connected to the inlet of the cooling point 6 of the paper machine; the temperature mixing water tank 2 A first temperature detection device 8 is installed at the outlet of the fan cooling mechanism; a second temperature detection device 9 is installed at the inlet of the circulating pump 7 in the mixed temperature water tank 2; the first temperature detection device 8 and the second temperature detection The device 9 is electrically connected to the controller; the controller is also electrically connected to a fan heat dissipation mechanism 3; a condenser assembly (not shown) is installed inside the temperature-mixing water tank 2; the cooling water and air can be connected through the tower type heat dissipation mechanism Large-area contact to achieve rapid heat dissipation, followed by secondary natural heat dissipation through the S-shaped heat dissipation mechanism, and then judging whether the threshold value is exceeded according to the first temperature detection device and the second temperature detection device. After exceeding the threshold value, the fan heat dissipation mechanism adds heat dissipation. After the temperature exceeds the threshold for an upper threshold, the condenser assembly cools.

In yet another embodiment, the fan heat dissipation mechanism 3 includes an electric heat dissipation base 31, and a first circulation pipe 32 composed of a plurality of U-shaped pipes and inverted U-shaped pipes is installed on the electric heat dissipation base 31. Heat dissipation louvers (not shown) are sequentially welded on the first circulation pipe 32 ; a heat dissipation fan 33 is installed on the electric heat dissipation base 31 close to the heat dissipation louvers.

In yet another embodiment, the S-shaped heat dissipation mechanism 4 includes a natural heat dissipation base 41, and a second circulation pipe composed of a plurality of U-shaped pipes and inverted U-shaped pipes is installed on the natural heat dissipation base 41. 42.

In yet another embodiment, the tower-type heat dissipation mechanism 5 includes a sealed tower 51, and a plurality of staggered heat dissipation circulation fins 52 are sequentially installed inside the sealed tower from top to bottom.

In yet another embodiment, guide wheels 10 are installed on the bottom of the seat body 1 .

The cooling water circulation device of the paper machine of the utility model adopts a three-stage cooling method of natural cooling, fan air cooling and condenser cooling. During the cooling process, it can be detected by the first temperature detection device and the second temperature detection device. The controller judges and determines to select a certain cooling mode, which ensures that the cooling temperature is suitable for the cooling point of the paper machine.

The above-mentioned embodiments are only preferred implementation modes of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the patent application of the utility model are all included in the scope of the patent application of the utility model Inside.

Claims (5)

1. A cooling water circulation device for a paper machine, characterized in that: it comprises a base body, a temperature-mixing water tank installed at the bottom of the base body, a fan cooling mechanism installed above the temperature-mixing water tank, and a fan cooling mechanism installed above the cooling water tank. S-shaped cooling mechanism, and a tower-shaped cooling mechanism installed above the S-shaped cooling mechanism; the bottom of the tower-shaped cooling mechanism is connected to the inlet of the S-shaped cooling mechanism through a pipeline; the outlet of the S-shaped cooling mechanism is connected to the fan cooling mechanism through a pipeline Inlet; the outlet of the fan heat dissipation mechanism is connected to the top of the mixed temperature water tank through a pipeline; the top of the tower type heat dissipation mechanism is connected to the outlet of the paper machine to be cooled point through a pipeline; a circulation pump is also installed on the base; the circulation pump Connect to the bottom of the temperature mixing water tank through pipelines; the output end of the circulation pump is connected to the inlet of the paper machine to be cooled; the temperature mixing water tank is equipped with a first temperature detection device at the outlet of the fan cooling mechanism; A second temperature detection device is installed at the inlet of the pump; the first temperature detection device and the second temperature detection device are electrically connected to the controller; the controller is also electrically connected to a fan cooling mechanism; the inside of the mixed temperature water tank is installed Condenser assembly. 2. The cooling water circulation device of a paper machine according to claim 1, characterized in that: the fan heat dissipation mechanism includes an electric heat dissipation base, and a plurality of U-shaped tubes and an inverted U are installed on the electric heat dissipation base. The first circulation pipe formed by interlaced connection of type pipes; the first circulation pipe is sequentially welded with heat dissipation louvers; the electric heat dissipation base body is closely attached to the heat dissipation louvers and installed with a heat dissipation fan. 3. The cooling water circulation device of the paper machine according to claim 1, characterized in that: the S-shaped heat dissipation mechanism includes a natural heat dissipation base, and a plurality of U-shaped tubes and an inverted The second circulation pipe formed by the interlaced connection of U-shaped pipes. 4 . The cooling water circulation device of a paper machine according to claim 1 , wherein the tower-type heat dissipation mechanism includes a sealing tower, and a plurality of staggered heat dissipation circulation fins are sequentially installed inside the sealing tower from top to bottom. 5 . The cooling water circulation device of a paper machine according to claim 1 , wherein a guide wheel is installed at the bottom of the base body. 6 .