CN102748964A

CN102748964A - Coiler type cooling grid

Info

Publication number: CN102748964A
Application number: CN2012102691626A
Authority: CN
Inventors: 孙超; 孙强; 张晓东
Original assignee: HUAINAN RUNCHENG TECHNOLOGY Co Ltd
Current assignee: HUAINAN RUNCHENG TECHNOLOGY Co Ltd
Priority date: 2012-07-31
Filing date: 2012-07-31
Publication date: 2012-10-24
Anticipated expiration: 2032-07-31
Also published as: CN102748964B

Abstract

A coiler type cooling grid relates to a part of general heat exchange or heat-transfer equipment, in particular to a cooling grid formed by assemblies of a pipe fitting. The coiler type cooling grid is easy to manufacture, big in heat exchange area in unit volume and high in heat exchange efficiency. The coiler type cooling grid comprises a box, a total inlet pipe, a total outlet pipe and a plurality of calandria units, and each calandria unit comprises three coil pipes. Each coil pipe comprises a plurality of straight pipe sections and a plurality of U-shaped bending pipe sections connected with the straight pipe sections, the straight pipe sections of the three coil pipes are sequentially arranged in stagger in a same plane from left to right, the bending pipe sections at corresponding positions in the coil pipes are vertically overlapped, the bending pipe sections in the middle is located in the plane of the straight pipe sections, and inlets and outlets of the bending pipe sections on the upper side and the lower side are bended to the inside of the plane of the straight pipe sections. A bar-type copper plate is welded on the straight pipe sections of the calandria units along a left-and-right direction. Each calandria unit is vertically overlapped and fixed in the box.

Description

The coil pipe type cooling coil

Technical field

The present invention relates to the parts of a kind of interchangeable heat exchange or heat-transfer equipment, particularly relate to a kind of cooling coil that constitutes by the assembly of pipe fitting.

Background technology

Coiled pipe is by metal or non-metal tube, and back and forth circuitous advancing is similar to snakelike pipe fitting in a plane, is a kind of heat transmission equipment that occurs the earliest, carries out heat exchange with the outer fluid media (medium) of pipe through tube wall in the pipe.Present coil pipe type comb; Generally be connected in parallel and constitute by many coiled pipes; For example application number is to be for 00248885.X, Granted publication number disclosed a kind of evaporative condenser comb in the Chinese utility model patent in November 21 calendar year 2001 for CN2460864Y, Granted publication day, in Figure of description, has provided a kind of parallel-connection structure.In the but present coil pipe type cooling coil, because the radical of coiled pipe is more and separate, many coiled pipes are produced in the device, its manufacturing process is complicated; Present in addition coil pipe type cooling coil does not carry out in unit volume rationally and compact layout many coiled pipes; Cause taking up room of equipment under the same heat exchange efficiency bigger; So just be not suitable for the little occasion of ask for something equipment volume, such as using in the mine in colliery.

Summary of the invention

The technical problem that the present invention will solve provides and a kind ofly is easy to make, the coil pipe type cooling coil that heat exchange area is bigger, heat exchange efficiency is higher in the unit volume.

Coil pipe type cooling coil of the present invention comprises casing, total inlet pipe, always goes out pipe and some comb unit, and wherein said comb unit comprises three coiled pipes; Every said coiled pipe comprises some straight lengths and some U-shaped bending tube sections that are connected straight length; The straight length of said three coiled pipes is alternately arranged at grade from left to right successively; The corresponding bending tube section stacked on top in position in three coiled pipes; Bending tube section in the middle of wherein being positioned at is in the plane at said straight length place, and the import and export of bending tube section that is positioned at upper and lower both sides is to the plane inner bending at said straight length place; The straight length upper edge left and right directions of described comb unit is welded with the bar shaped copper coin;

The cuboid that is shaped as a left and right side opening of said casing; Pile up and be fixed in the described casing under described each sheet comb unit; Every coiled pipe on described each sheet comb unit is connected in parallel to described total inlet pipe respectively and always goes out pipe.

Coil pipe type cooling coil of the present invention, wherein said coiled pipe are copper pipe, and the coiled pipe external diameter is 12mm, and the coiled pipe wall thickness is 1mm.

Coil pipe type cooling coil of the present invention, the cross section of the bending tube section of wherein said coiled pipe are oblate, and described oblate height on above-below direction is less than 12mm.

Coil pipe type cooling coil of the present invention, correspondence is provided with several tie rod holes on the side up and down of wherein said casing and the described bar shaped copper coin, and some pull bars correspondence respectively pass described tie rod hole and are connected with described side bolt up and down.

Coil pipe type cooling coil difference from prior art of the present invention is that every comb unit of coil pipe type cooling coil of the present invention comprises three coiled pipes; Every coiled pipe comprises some straight lengths and some U-shaped bending tube sections that are connected straight length; The straight length of three coiled pipes is alternately arranged at grade from left to right successively; The corresponding bending tube section stacked on top in position in three coiled pipes, the bending tube section in the middle of wherein being positioned at are in the plane at said straight length place, and the import and export of bending tube section that is positioned at upper and lower both sides is to the plane inner bending at said straight length place; Such structure only need utilize straight tube to be bent into coiled pipe; Bending tube section at coiled pipe bends accordingly again, welds last bar shaped copper coin after piling up again and just can accomplish that manufacturing process is simple and convenient.Left and right directions is welded with the bar shaped copper coin and on the one hand the straight length of every comb unit is partly remained on the plane in the straight length upper edge of comb unit, and the coiled pipe that welds together in addition also is not easy loose, has globality.In addition since the height after the bending tube section of three coiled pipes piles up in every comb unit greater than the height of straight length part; So just can directly comb unit a slice a slice be piled up; Pile up the back and between the straight length of every comb unit, just formed certain clearance naturally; These gaps just can be flow through for air, thereby carry out heat exchange.This coiled pipe and coiled pipe pile up each other and constitute the structure in the gap that the confession air flows through naturally piling up the back; Compressed the gap between the coiled pipe fully; Compare prior art and can in equal volume, arrange more coiled pipe, make that the heat exchange area in the unit volume is bigger, heat exchange efficiency is higher.

Can reduce the thickness of every comb unit when the cross section of the bending tube section of coiled pipe is for oblateness in the coil pipe type cooling coil of the present invention; Thereby make the shared volume in every comb unit littler; More can improve the interior heat exchange area and the heat exchange efficiency of unit volume of coil pipe type cooling coil; And this need just flatten and can accomplish by the bending tube section to coiled pipe before pile up coiled pipe, also has the advantage that is easy to make.Let in addition correspondence is provided with several tie rod holes on side up and down and the bar shaped copper coin of casing; And let some pull bars respectively correspondence pass that tie rod hole is connected with side bolt up and down can be further fixing between casing and comb unit, the carrying of the coil pipe type cooling coil of the present invention of being more convenient for.

Below in conjunction with accompanying drawing coil pipe type cooling coil of the present invention is described further.

Description of drawings

Fig. 1 be every coiled pipe vertical view;

Fig. 2 is the elevational cross-sectional view of first embodiment of coil pipe type cooling coil of the present invention;

The vertical view of comb unit among Fig. 3 Fig. 2;

Fig. 4 is the right view of bending tube section stacking portion among Fig. 3;

Fig. 5 is the front view of second embodiment of coil pipe type cooling coil of the present invention.

The specific embodiment

First embodiment of invention coil pipe type cooling coil as shown in Figure 2, stacked on top has 14 comb unit 4 in the cuboid casing 1 of a left and right side opening.Referring to Fig. 3; Every comb unit 4 comprises three coiled pipes; Referring to Fig. 1, every coiled pipe comprises some straight lengths 61 and some U-shaped bending tube sections 62 that are connected straight length 61, referring to Fig. 3 and Fig. 4; The straight length of three coiled pipes is alternately arranged at grade from left to right successively, all locates at grade like the straight length of first coiled pipe among Fig. 4 611, the straight length 612 of second coiled pipe, the straight length 613 of the 3rd coiled pipe.The corresponding bending tube section stacked on top in position in three coiled pipes; Bending tube section in the middle of wherein being positioned at is in the plane at said straight length place; The import and export of bending tube section that is positioned at upper and lower both sides is to the plane inner bending at said straight length place, like bending tube section 623 threes' of the bending tube section of first coiled pipe among Fig. 4 621, the bending tube section 622 of second coiled pipe, the 3rd coiled pipe import and export all to the plane inner bending at straight length place.Referring to Fig. 3, the straight length upper edge left and right directions of every comb unit 4 is welded with bar shaped copper coin 41.The casing left and right sides is respectively equipped with total inlet pipe 2 and always goes out pipe 3 in addition.Every coiled pipe on each sheet comb unit 4 is connected in parallel to total inlet pipe 2 respectively and always goes out pipe 3, has just constituted some tributary circuits at total inlet pipe with between always going out to manage like this.During work, the cooling fluid that circulates at total inlet pipe with between always going out to manage, circulation air to be lowered the temperature carries out heat exchange through the coiled pipe tube wall between air and the cooling fluid in casing 1.The coiled pipe diameter is 20mm in the present embodiment, and wall thickness is the 1mm (not shown).In addition, also can to adopt diameter be 12mm to coiled pipe in the present embodiment, and wall thickness is the copper pipe of 1mm; Because the thermal conductivity of copper is good; And diameter and wall thickness adopt this specification to be because diameter too the radical of hour unit volume inner coil is too many, coiled pipe was difficult for bending when diameter was too big, this rule is more moderate.Can also the bending tube section of the coiled pipe of this specification be flattened in addition make bending tube section cross section for oblate, at this moment oblate height on above-below direction makes the thickness of every comb unit littler less than 12mm.The sheet number of comb unit does not receive the restriction of present embodiment in addition, can confirm according to corresponding use place needs.

Second embodiment of coil pipe type cooling coil of the present invention as shown in Figure 5; It is provided with four tie rod hole (not shown)s with the difference of first embodiment is corresponding on the bar shaped copper coin of the side up and down of casing and each sheet comb unit, and four pull bars 5 correspondence respectively pass these tie rod holes and are connected with side bolt up and down.So further the comb unit is fixed, be convenient to the carrying of whole device.Certainly, the radical of pull bar also is not limited to four in the present embodiment.

Above-described embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.

Claims

1. a coil pipe type cooling coil comprises casing (1), total inlet pipe (2), always goes out pipe (3) and some comb unit (4), it is characterized in that:

Described comb unit (4) comprises three coiled pipes; Every said coiled pipe comprises some straight lengths (61) and some U-shaped bending tube sections (62) that are connected straight length (61); The straight length of said three coiled pipes is alternately arranged at grade from left to right successively; The corresponding bending tube section stacked on top in position in three coiled pipes; Bending tube section in the middle of wherein being positioned at is in the plane at said straight length place, and the import and export of bending tube section that is positioned at upper and lower both sides is to the plane inner bending at said straight length place; The straight length upper edge left and right directions of described comb unit is welded with bar shaped copper coin (41);

The cuboid that is shaped as a left and right side opening of said casing (1); Described each sheet comb unit (4) stacked on top also is fixed in the described casing (1); Every coiled pipe on described each sheet comb unit (4) is connected in parallel to described total inlet pipe (2) respectively and always goes out pipe (3).

2. coil pipe type cooling coil according to claim 1 is characterized in that: described coiled pipe is a copper pipe, and the coiled pipe external diameter is 12mm, and the coiled pipe wall thickness is 1mm.

3. coil pipe type cooling coil according to claim 2 is characterized in that: the cross section of the bending tube section of described coiled pipe is for oblate, and described oblate height on above-below direction is less than 12mm.

4. coil pipe type cooling coil according to claim 3; It is characterized in that: the side up and down of described casing (1) and described bar shaped copper coin (41) are gone up correspondence and are provided with several tie rod holes, and some pull bars (5) correspondence respectively pass described tie rod hole and are connected with described side bolt up and down.