CN203964703U - Cooling shaft - Google Patents

Abstract

The cooling shaft that the utility model provides, comprises the borehole wall and well head, and borehole wall outside is provided with the external flume of opening upwards near the part of well head; External flume comprises connected successively inwall, diapire and outer wall; Part near diapire on inwall is provided with the through hole that runs through the borehole wall.This cooling shaft can significantly improve heat exchanger effectiveness, better to the cooling effect of cooling water.

Description

Cooling shaft

Technical field

The utility model relates to a kind of cooling device of high-temperature liquid force feed cooling water, relates in particular to a kind of cooling shaft that reduces high-temperature liquid force feed cooling water temperature of assisting in Floor Industry.

Background technology

In Floor Industry, hydraulic oil is widely used in the heat pressing process of laminated flooring surface layer with advantages such as its applicable viscosity, good sealing effectiveness and good lubricating effects.In the time of normal hot pressing, more than the general temperature of hydraulic oil at least will reach 200 degree, too high in ambient temperature, when working strength is larger, the temperature of hydraulic oil can continue to raise.In the time of analysis of hydraulic oil overheat, need to its carry out cooling after again continue use.Existing hydraulic oil cooling device comprises in-line and the fuel-displaced pipeline that condenser and one end are connected with condenser respectively, the other end of in-line is connected with high temperature hydraulic oil source, the other end of fuel-displaced pipeline is connected with hydraulic oil container, wherein on in-line, be provided with buffer, normally select underground water as refrigerant.At the initial stage of cooling procedure, the temperature of hydraulic oil is very high, and when hydraulic oil process buffer and condenser, the cooling water part in condenser is vaporized into rapidly steam, and another part high-temperature cooling water is directly back to underground water well and carries out cooling.

Existing water quench mode is directly inputted cooling water in underground water well, then the water of underground water well is released and carried out new cool cycles.After producing continuously, through the cooling cooling water water temperature refluxing after hydraulic oil of crossing of condenser, must be higher than ground water temperature in well, thereby underground water water temperature in well is constantly raise, and now, again recycling underground water in condenser has directly affected the cooling effect of hydraulic oil, easily cause the cooling deficiency of hydraulic oil, concentration is thinning, thereby affects the normal operation of whole system, causes mechanical disorder.

Summary of the invention

Main purpose of the present utility model is to provide the better cooling shaft of a kind of cooling effect.

For realizing above-mentioned main purpose, the cooling shaft that the utility model provides, comprises the borehole wall and well head, and borehole wall outside is provided with the external flume of opening upwards near the part of well head; External flume comprises connected successively inwall, diapire and outer wall; Part near diapire on inwall is provided with the through hole that runs through the borehole wall.

In technique scheme, cooling water first flow in external flume, flows in well, due to the cushioning effect of external flume and the shunting action of through hole at the through hole by external flume, increase heat exchanger time and the heat exchange area of cooling water, be conducive to accelerate the cooling of cooling water.

Preferably, the cooling shaft that the utility model provides, the inwall of external flume is a part for the borehole wall.

In this technical scheme, the inwall of external flume is a part for the borehole wall, and in other words, the inwall of external flume is served as by a part for the borehole wall, can make the structure of cooling shaft simpler.

Further, the cooling shaft that the utility model provides, forms the inclination angle of 15 °-45 ° between its diapire and inwall.

This design is conducive to cooling water and flows in well, reduces the possibility that obstruction occurs.

The cooling shaft selectable, the utility model provides, its through-hole spacing is distributed on inwall side face in the same manner, and regular shape, big or small identical.

This design is conducive to simplify the structure of cooling shaft.

Better, the cooling shaft that the utility model provides, the part that its borehole wall inner side is positioned at external flume below is provided with the dividing plate of the L-type of spiral distribution; Dividing plate is connected with borehole wall inner side, forms the interior tank of spiral helicine opening upwards.

This technical scheme arranges interior tank under external flume, the cooling water flowing out from through hole is dropped into interior tank, along with interior tank spiral declines, finally fall into shaft bottom, be conducive to further increase the heat exchanger time of cooling water, and the water body to well impacts in the time falling into shaft bottom, make the water body in well produce gyrate motion, be more conducive to heat radiation.

Better, the cooling shaft that the utility model provides arranges well lid above well head, and well lid faces fan is set in well.

In this technical scheme, increase fan, after startup fan, accelerated the heat exchange in well, can further accelerate the cooling of cooling water.

Brief description of the drawings

Fig. 1 is the longitudinal sectional view of the utility model cooling shaft embodiment;

Fig. 2 is that the A-A of Fig. 1 is to cutaway view.

Below in conjunction with drawings and Examples, the invention will be further described.

Detailed description of the invention

Following examples introduce in process for concrete structure or parts, only understand referential illustration of the present utility model as those skilled in the art, those skilled in the art, under the enlightenment of embodiment description technique scheme, can also design or patterning is not exceeded the technical scope of the utility model or technical spirit various being equal to or similar technical characterictic.Thus, be unfavorable if limit with this exemplary illustration the protection domain that the utility model claim includes.Be equal to or be similar to the protection domain that the technical solution of the utility model still belongs to the utility model claim.

As depicted in figs. 1 and 2, the cooling shaft of the present embodiment comprises the well lid 40 of the columniform borehole wall 10, circular well head 20 and circle cap shape.Outside at the borehole wall 10 is provided with external flume 30 near the position of well head 20.External flume 30 is made up of outer wall 31, diapire 33 and inwall 32, and wherein, inwall 32 is exactly the part of the borehole wall 10 between diapire 33 and well head 20.Outer wall 31 is a little more than inwall 32, and the edge of well lid 40 is supported on the top of outer wall 31.Diapire 33 tilts, and angle between inwall 32 is 45 °.Inwall 32 is provided with multiple equal-sized manholes 34 near diapire 33 places, and through hole 34 is through the borehole wall 10, and its axis is parallel with diapire 33, and through hole 34 is evenly distributed on the side face of the borehole wall 10 with identical spacing.

On position below the inner side of the borehole wall 10 is positioned at external flume 30, being provided with cross section is L shaped dividing plate 51, the end 52 of dividing plate 51 is connected with the inner surface 11 of the borehole wall 10, and be spiral form and be fixed on the inner surface 11 of the borehole wall 10, thereby form the interior tank 50 of continuous spiral helicine a, opening upwards.The below of interior tank 50 can extend in the well water 80 in shaft bottom, also can be higher than the water surface of well water 80.

The cooling procedure of the well water device of this embodiment is such: first the high-temperature cooling water through high-temperature liquid force feed flow in the external flume 30 of cooling shaft through water inlet pipe 60, external flume 30 forms certain cushioning effect, delay time that high-temperature cooling water falls into shaft bottom, in this time period, the high-temperature cooling water being stored in external flume 30 is carried out the heat exchange of long period for the first time.Subsequently, high-temperature cooling water is pearl wire by through hole 34 and flow in interior tank 50 along the inner surface of the borehole wall 10, and this process has not only increased the heat exchange area of high-temperature cooling water, and has extended for the second time heat-exchange time.Then, high-temperature cooling water slowly flow in the well water in shaft bottom along spiral interior tank 50, this stage has extended the heat-exchange time of high-temperature cooling water again, and, along with cooling water falls into well water, under the effect of impulsive force, the well water in shaft bottom produces whirlpool and wave, has improved the heat exchange efficiency of well water.Finally, the cooling water that temperature is lower is drawn out of by the outlet pipe 70 extending into below well water 80 waters surface, enters into the cool cycles of a new round.

In other embodiments, a fan can be installed in the below of well lid 40, by the heat exchange of air in the rotation pick-up well of fan blade, can further improve heat exchange efficiency.Certainly, well lid neither be necessary, and in other embodiments, for cost-saving, well head can not arrange well lid.

In a further embodiment, between the diapire of external flume and inwall, angle can change, the cross section of the borehole wall can be square or other shapes, and shape, position and the size of through hole also can be adjusted as required, and dividing plate also can be adjusted as required with the inclination angle of spiral distribution.

Claims (7)

1. cooling shaft, comprises the borehole wall and well head, it is characterized in that:

Described borehole wall outside is provided with the external flume of opening upwards near the part of described well head;

Described external flume comprises connected successively inwall, diapire and outer wall;

Part near described diapire on described inwall is provided with the through hole that runs through the described borehole wall.

2. cooling shaft according to claim 1, is characterized in that:

Described inwall is a part for the described borehole wall.

3. cooling shaft according to claim 2, is characterized in that:

Between described diapire and described inwall, form the inclination angle of 15 °-45 °.

4. cooling shaft according to claim 3, is characterized in that:

Described through-hole spacing is distributed on described inwall side face in the same manner, and regular shape, big or small identical.

5. according to the cooling shaft described in claim 1 to 4 any one, it is characterized in that:

The part that the inner side of the described borehole wall is positioned at described external flume below is provided with the dividing plate of the L-type of spiral distribution;

Described dividing plate is connected with the inner side of the described borehole wall, forms the interior tank of spiral helicine opening upwards.

6. according to the cooling shaft described in claim 1 to 4 any one, it is characterized in that:

Above described well head, be also provided with well lid, described well lid faces and in well, is provided with fan.

7. cooling shaft according to claim 5, is characterized in that:

Above described well head, be also provided with well lid, described well lid faces and in well, is provided with fan.