CN217131937U

CN217131937U - Plate-fin self-cleaning type mining air cooler

Info

Publication number: CN217131937U
Application number: CN202220640933.7U
Authority: CN
Inventors: 冯小平; 陈花鹏; 王振平; 简俊常; 骆伟
Original assignee: Jiangnan University
Current assignee: Jiangnan University
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-08-05
Anticipated expiration: 2032-03-23

Abstract

The utility model relates to a plate-fin self-cleaning type mining air cooler, which comprises a case, wherein a core body is arranged in the case; an air inlet and an air outlet which are communicated with the core body, and a water inlet pipe and a water outlet pipe which are communicated with the core body are arranged on the case; the core body comprises air duct fins and water channel fins, the air duct fins and the water channel fins are alternately arranged in a layered mode, and partition plates are arranged between the air duct fins and the water channel fins; the air duct fins are respectively communicated with the air inlet and the air outlet to form an air inlet channel, and air flow blowing to the air inlet channel is generated by means of negative pressure at the mine inlet; the water channel fins are respectively communicated with the water inlet pipe and the water outlet pipe to form a water inlet channel; the water accumulation disc is arranged below the case and used for collecting condensed water of the case, and the water accumulation disc is provided with a water outlet. The utility model discloses can replace terminal equipment among the current mine full air volume cooling system.

Description

Plate-fin self-cleaning type mining air cooler

Technical Field

The utility model belongs to the technical field of the air cooler technique and specifically relates to indicate a self-cleaning formula mining air cooler of board wing.

Background

With the increase of the demand of coal in China, shallow resources are gradually reduced, the mining depth of a mine is continuously improved, and the problem of thermal damage of the mine is obvious. The high temperature and high humidity climate environment in the pit generates excessive thermal stress, which destroys the heat balance of human body and causes the disorder of psychological and physiological reaction and even death. Coal miners working in high-temperature and high-humidity environments for a long time can reduce labor productivity, increase accident rate and seriously affect coal safety production.

In order to improve the working environment in a mine and improve the working efficiency and the safety benefit, the system for cooling the mine full air volume is provided.

The currently used air heat exchanger adopts a fin coil structure, the volume is large, the weight is large, and because the fin space is small, the fins are made of common aluminum foil, the surfaces of the fins are easy to accumulate dust and difficult to clean, the heat exchange efficiency of the heat exchanger is reduced, and the heat damage treatment effect of a mine is seriously influenced.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model discloses a self-cleaning formula mining air cooler of board wing.

The utility model discloses the technical scheme who adopts as follows:

a plate-fin self-cleaning type mining air cooler comprises

A case having a core disposed therein; an air inlet and an air outlet which are communicated with the core body, and a water inlet pipe and a water outlet pipe which are communicated with the core body are arranged on the case;

the core body comprises air duct fins and water channel fins, the air duct fins and the water channel fins are alternately arranged in a layered mode, and partition plates are arranged between the air duct fins and the water channel fins; the air duct fins are respectively communicated with the air inlet and the air outlet to form an air inlet channel; the water channel fins are respectively communicated with the water inlet pipe and the water outlet pipe to form a water inlet channel;

the water accumulation disc is arranged below the case and used for collecting condensed water of the case, and the water accumulation disc is provided with a water outlet.

The method is further technically characterized in that: a filter screen is arranged on one side of the core body, and the filter screen is detachably connected with the case.

The method is further technically characterized in that: the surface of the case is provided with a buckle, one end of the buckle is fixed on the surface of the case through a pin shaft, the buckle can rotate around the pin shaft, and the other end of the buckle is abutted to the frame of the filter screen.

The method is further technically characterized in that: the case is rectangular, a rectangular cavity is formed in the case, and the cavity is used for mounting the core.

The method is further technically characterized in that: the case is placed at a certain angle with the horizontal ground.

The method is further technically characterized in that: vertical seals are arranged on two sides of the air duct fins and are arranged along the direction of the air inlet channel, the vertical seals are arranged between the two parallel partition plates, and the air duct fins are packaged through the vertical seals and the partition plates.

The method is further technically characterized in that: the air duct fins comprise a plurality of straight fins, and a first fin is arranged between every two adjacent straight fins.

The method is further technically characterized in that: the water channel fin packaging structure is characterized in that transverse sealing strips are arranged on two sides of the water channel fin and are arranged along the direction of a water inlet channel, the transverse sealing strips are arranged between the two parallel clapboards, and the water channel fin is packaged through the transverse sealing strips and the clapboards.

The method is further technically characterized in that: the water channel fins comprise a plurality of sawtooth-shaped fins, and a second fin is arranged between every two adjacent sawtooth-shaped fins.

The method is further technically characterized in that: a water separator is arranged between the water channel fin and the water inlet pipe, and a water collector is arranged between the water channel fin and the water outlet pipe.

Compared with the prior art, the technical scheme of the utility model have following advantage:

the utility model discloses a fin structure replaces current air cooler's coiled tube structure, the core sets up wind channel fin and water course fin, wind channel fin and air intake and air outlet intercommunication, water course fin and water collector and water knockout drum intercommunication, separate wind channel fin and water course fin through setting up the baffle, realize inlet channel and inlet channel's separation, and, wind channel fin and water course fin interval setting in turn, air conditioning system's circulation refrigerated water flows into the air among inlet channel and the inlet channel and takes place the heat exchange, the dehumidification of cooling to the air that gets into the mine, thereby reach the target that the heat evil was administered.

Compared with the prior air cooler, the utility model discloses inner structure is compact, and is small, light in weight, heat exchange efficiency is high, has self-cleaning function, is the substitute product of the terminal equipment of the full amount of wind cooling system of mine.

Drawings

In order to make the content of the present invention more clearly understood, the present invention will be described in further detail with reference to the following embodiments of the present invention, in conjunction with the accompanying drawings.

Fig. 1 is a front view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a plan view of the present invention.

Fig. 4 is a schematic structural view of the core.

Fig. 5 is a plan view of the core.

Fig. 6 is a side view of the core.

Fig. 7 is a cross-sectional view of the core.

FIG. 8 is a schematic view of the configuration of the duct fins.

Fig. 9 is a schematic diagram of a channel fin configuration.

The specification reference numbers indicate: 1. a chassis; 2. an air inlet; 3. an air outlet; 4. a water inlet pipe; 5. a water outlet pipe; 6. a filter screen; 7. air duct fins; 701. an air inlet channel; 702. a first fin; 8. water channel fins; 801. a water inlet channel; 802. a second fin; 9. a partition plate; 10. a vertical seal; 11. a transverse seal; 12. a water accumulation plate; 13. a water outlet; 14. buckling; 15. a water separator; 16. a water collector.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

The foregoing and other features, aspects and utilities of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Therefore, the directional terminology used is for the purpose of description and is not intended to be limiting, and moreover, like reference numerals will be used to refer to like elements throughout.

Referring to fig. 1-5, a plate-fin self-cleaning type mining air cooler comprises

The case 1 has a core body provided therein. An air inlet 2 and an air outlet 3 which are communicated with the core body, and a water inlet pipe 4 and a water outlet pipe 5 which are communicated with the core body are arranged on the case.

The core body comprises air duct fins 7 and water channel fins 8, the air duct fins 7 and the water channel fins 8 are alternately arranged in a layered mode, and partition plates 9 are arranged between the air duct fins 7 and the water channel fins 8. The air duct fins 7 are respectively communicated with the air inlet 2 and the air outlet 3 to form an air inlet passage 701. The water channel fins 8 are respectively communicated with the water inlet pipe 4 and the water outlet pipe 5 to form a water inlet channel 801.

And a water accumulating plate 12 arranged below the case 1 and used for collecting condensed water in the case 1, wherein a water outlet 13 is arranged on the water accumulating plate 12.

As shown in fig. 6, in this embodiment, vertical seals 10 disposed along the extending direction of the air inlet channel 701 are disposed on two sides of the air duct fin 7, the vertical seals 10 are disposed between two parallel partition plates 9, the air duct fin 7 is encapsulated by the vertical seals 10 and the partition plates 9, the vertical seals 10 and the partition plates 9 jointly enclose an air duct fin placement groove for placing the air duct fin 7, the air duct fin 7 is laterally inserted into the air duct fin placement groove, and the air inlet channel 701 in the air duct fin 7 is only communicated with the air inlet 2 and the air outlet 3.

As shown in fig. 7, in this embodiment, the two sides of the water channel fin 8 are provided with the transverse sealing strips 11 arranged along the extending direction of the water inlet channel 801, the transverse sealing strips 11 are arranged between the two parallel partition plates 9, the water channel fin 8 is encapsulated by the transverse sealing strips 11 and the partition plates 9, the transverse sealing strips 11 and the partition plates 9 jointly enclose a chilled water channel placing groove for placing the water channel fin 8, the water channel fin 8 is laterally inserted into the chilled water channel fin placing groove, and the water inlet channel 801 in the water channel fin 8 is only communicated with the water inlet pipe 4 and the water outlet pipe 5.

The air heat exchanger cools and dehumidifies air and generates condensate water, a water accumulation disc 12 is arranged at the bottom of the air heat exchanger for facilitating the discharge of the condensate water, and a water outlet 13 is arranged on the side face of the water accumulation disc.

The aluminum foil is adopted on the surface of the air duct fin 8, the coating with the self-cleaning function is sprayed on the surface of the aluminum foil, dust in the air cannot be attached to the surface of the fin, the dust can be mixed with condensate water produced in the air cooling process, the dust and the condensate water are mixed and then flow into the water accumulation disc 12, and the condensate water is discharged through the drain pipe, so that the inner surface of the core is clean and difficult to accumulate dust, and the heat exchange efficiency of the air cooler is improved.

In addition, black electrostatic powder plastic spraying coatings are coated on the outer surfaces of the case 1, the water channel fins 8 and the partition plates 9, so that the equipment can be prevented from being corroded, and the service life of the equipment is prolonged.

In this embodiment, in order not to affect the flow of the wind direction in the air inlet channel 701, the air duct fins 7 include a plurality of straight fin bodies, a first fin 702 is arranged between two adjacent straight fin bodies, and the center line of the first fin 702 is parallel to the straight line of the wide side of the chassis 1, so that the design can reduce the air flow resistance, thereby meeting the requirement that the air resistance is less than 50 Pa.

In this embodiment, in order to improve the heat exchange efficiency of the air cooler, the water channel fins 8 are arranged in the water inlet channel 801 and comprise a plurality of zigzag fins, the second fins 802 are arranged between two adjacent zigzag fins, and the second fins 802 are S-shaped, so that the chilled water flows in the water channel according to the turbulent flow pattern, and the heat exchange efficiency of the air cooler is greatly improved.

The air duct fins 7, the water channel fins 8 and the partition plates 9 are all made of aluminum alloy materials, the aluminum alloy materials are low in density, but high in strength and close to or exceed high-quality steel, the plasticity is good, the air duct fins 7, the water channel fins 8 and the partition plates 9 are made of the aluminum alloy materials, various sections can be processed, the heat conductivity and the corrosion resistance are good, the overall weight of the air duct fins 7, the water channel fins 8 and the partition plates 9 made of the aluminum alloy materials is light, and the heat transfer efficiency is high.

In this embodiment, case 1 is placed with horizontal ground and is certain inclination, makes things convenient for the comdenstion water to discharge, avoids the comdenstion water to gather in the wind channel. In this embodiment, the case 1 is placed at an inclination angle of 80 ° with respect to the horizontal ground.

In this embodiment, a filter screen 6 is disposed on one side of the core, and the filter screen 6 is detachably connected to the chassis 1. Specifically, the surface of machine case 1 sets up buckle 14, and the one end of buckle 14 is fixed in the surface of machine case 1 through the round pin axle, and buckle 14 can rotate around the round pin axle, and the other end butt filter screen 6's of buckle 14 frame. The filter screen 6 can be detached from the cabinet 1, which facilitates cleaning or replacement of the filter screen 6.

In this embodiment, a water separator 15 is disposed between the water channel fins 8 and the water inlet pipe 4, so as to realize synchronous water inlet to the multiple groups of water channel fins 8, and the water inlet pipe 4 separates the chilled water into the multiple groups of water channel fins 8 through the water separator 15. A water collector 16 is arranged between the water channel fins 8 and the water outlet pipe 5, and in order to realize synchronous water return of the multiple groups of chilled water channels, the chilled water in the multiple groups of water channel fins 8 is converged by the water collector 16.

In this embodiment, the water inlet pipe 4 is connected to a source of chilled water.

The working principle of the utility model is as follows:

when the air cooler is put into operation, the chilled water enters from the water inlet pipe 4, flows through the water inlet channel 801 of the water channel fin 8 and flows out from the water outlet pipe 5. The high-temperature air at the mine wellhead is automatically sucked into the air inlet 2 of the mine air cooler by utilizing the negative pressure generated by the mine ventilator at the wellhead, flows through the air inlet channel 701 in the air channel fin 7 and then flows out of the air outlet 3, and the air exchanges heat with the chilled water in the water channel in the flowing process, so that the purposes of cooling and dehumidifying are achieved.

The plate-fin self-cleaning type mining air heat exchanger of the embodiment adopts a plate-fin structure to replace a coil structure of an original air cooler, the core body is provided with air duct fins 7 and water channel fins 8, the air duct fins 7 are communicated with the air inlet 2 and the air outlet 3, the water channel fins 8 are communicated with the water inlet pipe 4 and the water outlet pipe 5, the air duct fins 7 and the water channel fins 8 are separated by arranging the partition plate 9, separation of an air inlet channel 701 and a water inlet channel 801 is achieved, air inlet and water inlet are not affected mutually, in addition, the air duct fins 7 and the water channel fins 8 are arranged at intervals alternately, and the heat exchange area and the heat exchange amount of the air cooler are increased.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. A mining air cooler of self-cleaning formula of wing, its characterized in that: comprises that

A case (1) in which a core is provided; an air inlet (2) and an air outlet (3) which are communicated with the core body, and a water inlet pipe (4) and a water outlet pipe (5) which are communicated with the core body are arranged on the case;

the core body comprises air duct fins (7) and water channel fins (8), the air duct fins (7) and the water channel fins (8) are alternately arranged in a layered mode, and partition plates (9) are arranged between the air duct fins (7) and the water channel fins (8); the air duct fins (7) are respectively communicated with the air inlet (2) and the air outlet (3) to form an air inlet channel (701); the water channel fins (8) are respectively communicated with the water inlet pipe (4) and the water outlet pipe (5) to form a water inlet channel (801);

the water collecting disc (12) is arranged below the case (1) and used for collecting condensed water of the case (1), and a water outlet (13) is formed in the water collecting disc (12).

2. The plate-fin self-cleaning type mining air cooler according to claim 1, characterized in that: a filter screen (6) is arranged on one side of the core body, and the filter screen (6) is detachably connected with the case (1).

3. The plate-fin self-cleaning type mining air cooler according to claim 2, characterized in that: the filter screen is characterized in that a buckle (14) is arranged on the surface of the case (1), one end of the buckle (14) is fixed on the surface of the case (1) through a pin shaft, the buckle (14) can rotate around the pin shaft, and the other end of the buckle (14) is abutted to the frame of the filter screen (6).

4. The plate-fin self-cleaning type mining air cooler according to claim 1, characterized in that: the case (1) is rectangular, and the case (1) is provided with a rectangular cavity for mounting the core body.

5. The plate-fin self-cleaning type mining air cooler according to claim 1, characterized in that: the case (1) is placed at a certain inclination angle and used for discharging condensed water.

6. The plate-fin self-cleaning type mining air cooler according to claim 1, characterized in that: the air duct fin structure is characterized in that vertical seals (10) are arranged on two sides of the air duct fin (7), the vertical seals (10) are arranged along the direction of the air inlet channel (701), the vertical seals (10) are arranged between the two parallel partition plates (9), and the air duct fin (7) is packaged through the vertical seals (10) and the partition plates (9).

7. The plate-fin self-cleaning type mining air cooler according to claim 1, characterized in that: the air duct fins (7) comprise a plurality of straight fins, and a first fin (702) is arranged between every two adjacent straight fins.

8. The plate-fin self-cleaning type mining air cooler according to claim 1, characterized in that: the both sides of water course fin (8) set up horizontal seal (11), just horizontal seal (11) set up along inhalant canal (801) direction, horizontal seal (11) set up two parallel arrangement between baffle (9), through horizontal seal (11) with baffle (9) are right water course fin (8) are encapsulated.

9. The plate-fin self-cleaning type mining air cooler according to claim 1, characterized in that: the water channel fins (8) comprise a plurality of sawtooth type fins, and a second fin (802) is arranged between every two adjacent sawtooth type fins.

10. The plate-fin self-cleaning type mining air cooler according to claim 1, characterized in that: the water channel fin (8) and the water inlet pipe (4) are provided with a water separator (15) therebetween, and the water channel fin (8) and the water outlet pipe (5) are provided with a water collector (16) therebetween.