CN210919134U - High-efficiency low-resistance mine return air heat exchanger - Google Patents

Abstract

The utility model discloses a high-efficient low resistance mine return air heat exchanger, including mine air pipe, mine air pipe's center is provided with the mine ventilation machine, mine air pipe's one end is provided with the water conservancy diversion passageway, the top of water conservancy diversion passageway is provided with mine return air diffusion tower, the center at mine return air diffusion passageway top is provided with straight row breakwater, one side of mine return air diffusion passageway inner wall is provided with multiunit arc water pipe, the inner wall of mine return air diffusion passageway is provided with the guiding device with multiunit arc water pipe relative one side, the center of water conservancy diversion passageway bottom is provided with the water catch bowl. The utility model discloses in, its structure of the device and design all have great innovation and improvement, and this heat exchanger has changed traditional direct current heat transfer mode, has designed a series of heat transfer circulating water guiding device, has reduced the ventilation resistance, has also guaranteed ventilation efficiency simultaneously to the at utmost, is worth wideling popularize.

Description

High-efficiency low-resistance mine return air heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field especially relates to a high-efficient low resistance mine return air heat exchanger.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called as a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied, for example, a polytetrafluoroethylene heat exchanger for low temperature in a power plant is novel equipment for recovering waste heat in the power plant for reducing the temperature of exhaust smoke.

The use of heat exchanger is very extensive, just needs to use a mine return air heat exchanger in the mine, but present return air heat exchanger all has certain defect, and the circulating water after carrying out the heat transfer among the traditional device receives the resistance influence of air outlet big at the in-process of free fall, can influence the air-out efficiency of air outlet at the circulating water in the in-process that falls moreover, for this reason, we have provided a new high-efficient low resistance mine return air heat exchanger.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-efficiency low-resistance mine return air heat exchanger.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high-efficient low resistance mine return air heat exchanger, includes mine air pipe, mine air pipe's center is provided with the mine ventilation fan, mine air pipe's one end is provided with the water conservancy diversion passageway, the top of water conservancy diversion passageway is provided with mine return air diffusion tower, the center of mine return air diffusion tower is provided with mine return air diffusion channel, the center at mine return air diffusion channel top is provided with straight row breakwater, one side of mine return air diffusion channel inner wall is provided with multiunit arc water pipe, multiunit one side of arc water pipe outer wall all is provided with a plurality of diffusion type nozzles, the inner wall of mine return air diffusion channel is provided with the guiding device with the relative one side of multiunit arc water pipe, the center of water conservancy diversion passageway bottom is.

As a further description of the above technical solution:

the mine return air diffusion tower is arranged in an arc shape.

As a further description of the above technical solution:

the straight-row water baffle is arranged in a straight-plate structure, and baffle blades in the straight-row water baffle are uniformly distributed in the straight-row water baffle.

As a further description of the above technical solution:

the flow guiding device comprises a flow guiding plate, and the flow guiding plate is arranged on one side, opposite to the plurality of groups of arc-shaped water pipes, of the inner wall of the mine return air diffusion channel.

As a further description of the above technical solution:

and one side of the inner wall of the flow guide channel is provided with a plurality of flow guide grooves corresponding to the flow guide plate.

As a further description of the above technical solution:

and a drainage groove is formed at the joint of the mine ventilator and the flow guide channel.

The utility model discloses following beneficial effect has: 1. the utility model provides a pair of high-efficient low resistance mine return air heat exchanger compares with traditional device, the device simple structure, convenient and practical, the device can prevent that the circulating water from influencing the air-out efficiency of air outlet at the in-process of whereabouts, and work efficiency improves greatly.

2. Compared with the traditional device, the device has the advantages that the structure and the design are greatly innovated and improved, the traditional direct-current heat exchange mode of the heat exchanger is changed, a series of heat exchange circulating water flow guiding devices are designed, the ventilation resistance is reduced, meanwhile, the ventilation efficiency is guaranteed to the maximum extent, and the device is worth of being widely popularized.

Drawings

Fig. 1 is a front view structural diagram of a high-efficiency low-resistance mine return air heat exchanger provided by the utility model;

fig. 2 is a schematic view of a flow guiding structure of a high-efficiency low-resistance mine return air heat exchanger provided by the utility model;

fig. 3 is the utility model provides a cross-sectional view of high-efficient low resistance mine return air heat exchanger drainage groove.

Illustration of the drawings:

1. a mine ventilation duct; 2. a mine ventilator; 3. a flow guide channel; 4. a mine return air diffusion tower; 5. a mine return air diffusion channel; 6. a straight-row water baffle; 7. an arc-shaped water pipe; 8. a diffusion type nozzle; 9. a baffle; 10. a flow guide groove; 11. a drainage groove; 12. a water collection tank.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed 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.

Referring to fig. 1-3, the present invention provides an embodiment: a high-efficiency low-resistance mine return air heat exchanger comprises a mine ventilation pipeline 1, a mine ventilation fan 2 is arranged in the center of the mine ventilation pipeline 1, the mine ventilation fan 2 is used for pumping hot air in the mine ventilation pipeline 1, a flow guide channel 3 is arranged at one end of the mine ventilation pipeline 1, the flow guide channel 3 is arranged in an arc shape and can guide the hot air in a mine to a mine return air diffusion tower 4 designed in the vertical direction, a mine return air diffusion tower 4 is arranged at the top of the flow guide channel 3, a mine return air diffusion channel 5 is arranged in the center of the mine return air diffusion tower 4, a straight-line water baffle 6 is arranged in the center of the top of the mine return air diffusion channel 5 and used for intercepting heat exchange circulating water, a plurality of groups of arc-shaped water pipes 7 are arranged on one side of the inner wall of the mine return air diffusion channel 5, the diffusion type nozzle 8 sprays a large amount of water drops to absorb heat discharged from the mine ventilation pipeline 1, a flow guide device is arranged on one side, opposite to the plurality of groups of arc-shaped water pipes 7, of the inner wall of the mine return air diffusion channel 5, a water collection tank 12 is arranged in the center of the bottom of the flow guide channel 3, and the water collection tank 12 is used for collecting heat exchange circulating water subjected to heat exchange.

Mine return air diffuser 4 is the arc setting, and mine return air diffuser 4 has changed traditional straight-flow type passageway, is the arc design and both can carry out normal ventilation, also is favorable to the production and the collection of heat transfer circulating water simultaneously.

The water baffle 6 in line is the setting of straight board structure, and the baffle blade in the water baffle 6 in line evenly distributes in the water baffle 6 in line, adopts water baffle 6 in line to replace traditional S type breakwater structure, and straight board structure both can intercept the heat transfer circulating water, also can ventilate in the at utmost simultaneously.

The guiding device comprises a guide plate 9, a guide plate 9 is arranged on one side, opposite to the multiple groups of arc-shaped water pipes 7, of the inner wall of the mine return air diffusion channel 5, a large amount of water drops sprayed out of the diffusion nozzles 8 can be gathered on the outer surface of the guide plate 9, and heat exchange circulating water can flow downwards through the guide plate 9.

A plurality of diversion grooves 10 corresponding to the diversion plates 9 are arranged on one side of the inner wall of the diversion channel 3, and the diversion grooves 10 are used for guiding the heat exchange circulating water gathered on the diversion plates 9 to be guided into the water collection tank 12.

Mine ventilation blower 2 is provided with drainage groove 11 with handing-over department of water conservancy diversion passageway 3, 8 blowout a large amount of water droplets of diffusion type nozzle have a part to stay in one side of multiunit arc water pipe 7, at this moment, under the effect of gravity, rivers can be along the inner wall following current at 3 tops of water conservancy diversion passageway, when it flows to mine ventilation blower 2 and handing-over department of water conservancy diversion passageway 3, rivers can get into in drainage groove 11, because drainage groove 11 is the annular design, in this rivers can flow into water catch bowl 12 along the both sides slot of drainage groove 11, thereby prevented that the heat transfer circulating water from directly from top to bottom drippage under the effect of gravity, influence the air-out efficiency of air outlet.

The working principle is as follows: the utility model provides a high-efficient low resistance mine return air heat exchanger and traditional device have great improvement innovation, when we need to utilize the return air heat exchanger to carry out the heat transfer, after mine ventilation fan 2 starts, mine ventilation fan 2 can take out a large amount of hot-air in mine air pipe 1, we supply water for multiunit arc water pipe 7 this moment, a plurality of diffusion type nozzles 8 that all set up in one side of multiunit arc water pipe 7 outer wall can spout a large amount of tiny water droplets, these water droplets can absorb a large amount of hot-air that discharges in mine air pipe 1 in a large amount, the water droplets through the heat transfer can gather in a large amount at the surface of guide plate 9, form heat transfer circulating water, heat transfer circulating water can flow down in water conservancy diversion slot 10 through guide plate 9, and water conservancy diversion slot 10 is used for guiding the heat transfer circulating water that gathers on guide plate 9, lead it into water catch bowl 12, a large amount of water droplets that diffusion type nozzles 8, the partial water flow can flow into the water collecting tank 12 along the grooves on the two sides of the drainage groove 11, and in the heat exchange process, the heat exchange circulating water can be smoothly led into the water collecting tank 12, so that the ventilation resistance is reduced, and the ventilation efficiency is guaranteed to the maximum extent.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a high-efficient low resistance mine return air heat exchanger, includes mine air pipe (1), its characterized in that: a mine ventilator (2) is arranged in the center of the mine ventilation pipeline (1), one end of the mine ventilation pipeline (1) is provided with a flow guide channel (3), the top of the diversion channel (3) is provided with a mine return air diffusion tower (4), the center of the mine return air diffusion tower (4) is provided with a mine return air diffusion channel (5), a direct-discharge water baffle (6) is arranged at the center of the top of the mine return air diffusion channel (5), a plurality of groups of arc-shaped water pipes (7) are arranged on one side of the inner wall of the mine return air diffusion channel (5), a plurality of diffusion type nozzles (8) are arranged on one side of the outer walls of the arc-shaped water pipes (7), a flow guide device is arranged on one side of the inner wall of the mine return air diffusion channel (5) opposite to the plurality of groups of arc-shaped water pipes (7), and a water collecting tank (12) is arranged at the center of the bottom of the flow guide channel (3).

2. A high efficiency, low resistance mine return air heat exchanger as claimed in claim 1 wherein: the mine return air diffusion tower (4) is arranged in an arc shape.

3. A high efficiency, low resistance mine return air heat exchanger as claimed in claim 1 wherein: the straight-row water baffle (6) is of a straight-plate structure, and baffle blades in the straight-row water baffle (6) are uniformly distributed in the straight-row water baffle (6).

4. A high efficiency, low resistance mine return air heat exchanger as claimed in claim 1 wherein: the flow guiding device comprises a flow guiding plate (9), and the flow guiding plate (9) is arranged on one side, opposite to the multiple groups of arc-shaped water pipes (7), of the inner wall of the mine return air diffusion channel (5).

5. An efficient low drag mine return air heat exchanger as claimed in claim 4 wherein: one side of the inner wall of the flow guide channel (3) is provided with a plurality of flow guide grooves (10) corresponding to the flow guide plate (9).

6. A high efficiency, low resistance mine return air heat exchanger as claimed in claim 1 wherein: and a drainage groove (11) is arranged at the joint of the mine ventilator (2) and the flow guide channel (3).

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