CN101017069A

CN101017069A - Cyclonic plate air cooler

Info

Publication number: CN101017069A
Application number: CN 200610134178
Authority: CN
Inventors: 孙铁; 周长茂; 陈保东; 张素香; 刘伟
Original assignee: Liaoning Shihua University
Current assignee: Liaoning Shihua University
Priority date: 2006-11-03
Filing date: 2006-11-03
Publication date: 2007-08-15
Anticipated expiration: 2026-11-03
Also published as: CN100416212C

Abstract

The invention discloses a cyclone plate air cooler, comprising a box, a sprayer, a fan and plate beams, wherein two plate beams are arranged at two sides of the box, the fan is at the top of the box, the lower part in the chamber of the box is disposed with a cyclone diverter which is provided with several arc disturb blades annularly uniformly distributed to form a cyclone device. the airflow transversely passes the plate beams to enter into the cyclone device to generate cyclone flow to move upwards in screw track in the annular channel, to induce bottom cyclone effect, to increase the pressure difference between the bottom and the outside of the box, while the upper and lower pressure differences are uniform to eliminate lower dead area, to improve the heat transmission between air and medium, and reduce energy consumption. The invention can combine the advantages of plate heat exchanger and traditional air cooler, with compact structure and the application on water-lack area.

Description

Cyclonic plate air cooler

One, technical field

The invention belongs to technical field of heat exchange, be specifically related to a kind of plate air cooler.

Two, background technology

The air cooler that uses is with plate bundle, tube bank level or vertical the placement mostly at present.When plate bundle, tube bank horizontal positioned, the processing medium bottom horizontal flow sheet, air-introduced machine places plate bundle or tube bank below, and this just makes the floor space of equipment bigger, is difficult for free convection, also can be influential to heat transfer efficiency, operating cost increases.And place and place air-introduced machine as plate Shu Chuizhi in the side, when the air water advection was crossed plate Shu Huanre, because the blower fan suction inlet be circular, plate bundle casing was square, make by the air-flow of plate bundle inhomogeneous, thereon, following position easily forms the dead band.And the buoyancy lift that this air inducing mode does not use after the air heat is promoted mobile.Even the designer who has is placed on the top to blower fan, the both sides air intake, because the mobile top flow velocity of wind in casing is fast, the bottom flow velocity is slow, just produces the dead band at lower box easily, is unfavorable for the raising of heat transfer efficiency.

Three, summary of the invention

Inhomogeneous in order to solve the upper and lower air current flow of present plate air cooler, lower box easily forms this problem of dead band, the invention provides a kind of Cyclonic plate air cooler, and it comprises casing, spray equipment, blower fan and plate bundle.Two groups of plate bundles are stood in the casing both sides, and blower fan places casing top air inducing, makes full use of the free convection enhancement and flows, and reduces floor space.For the air-flow that overcomes by plate bundle top is subjected to the air-introduced machine effect bigger, the bottom is less, cause that to flow through plate bundle top pressure reduction big, bottom pressure reduction is little, and form the dead band, bottom, and the bottom is provided with the spout guiding device in the casing chamber, and the spout guiding device has a plurality of arc turbulence blades, these turbulence blades are evenly arranged at interval ringwise, are constituted a cyclone.Gas transverse by the plate bundle enter cyclone produce the spout eddy flow in annular channel freely the track with helix move upward, bring out the bottom and form tornado effect, the outer draught head of bottom half and casing is increased, the upper and lower pressure differential of the air of whole flow plate interfascicular is even relatively, eliminates the dead band, bottom.Thereby the heat transfer efficiency of air and processing medium is improved, also reduce energy consumption simultaneously.

The present invention is integrated in one plate type heat exchanger and Traditional Air Cooled Exchanger advantage, is applicable to petroleum refining industry's product cooling.Main adopt the air cooling, floor space is little, and compact conformation is particularly suitable for the place of lack of water.

Four, description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is for installing the structural representation of the fixed spout device air cooler in bottom;

Fig. 3 is the vertical view of Fig. 2;

Fig. 4 is the structural representation of self-rotary spout device;

Fig. 5 is the vertical view that is installed on the self-rotary spout device of bottom in the casing chamber;

Fig. 6 installs the structural representation of motor-driven spout device air cooler for bottom half;

Fig. 7 is the vertical view of motor-driven spout device.

Five, the specific embodiment

Fig. 1 is the structural representation of Cyclonic plate air cooler, blower fan 4 is placed in casing 1 top air inducing, two groups of plate bundles 9 are placed in casing 1 both sides, and the upper end of plate bundle 9 has material inlet 5, lower end that material outlet 8 is arranged, and spray ventilation equipment demister 2, water leg 7 and shutter 3 are settled in the outside of plate bundle 9.At the positioned inside spout guiding device 10 of casing, spout device 10 can be selected according to different conditions of work, production requirement.Select Fig. 2, the fixed spout device in bottom shown in Figure 3 or Fig. 4, self-rotary spout device shown in Figure 5 in the ordinary course of things for use, its floor space is little, easy to operate, compact conformation.If plate air cooler maximizes, select Fig. 6, motor-driven spout device shown in Figure 7, its heat exchange power is big, and the material outlet temperature can accurately be regulated.Change bottom motors 15 rotating speeds, regulate the material outlet temperature thereby the gas flow rate of adjustable plate bundle 9 bottoms reaches.The course of work of Cyclonic plate air cooler is: extraneous air 6 enters water leg 7 by shutter 3, sprays if temperature is too high, and the water smoke that spray produces is eliminated by demister 2.Shutter 3 is used for the adjusting of intake size, in addition can also the baffle bundle be subjected to daylight directly according to and hail impact.Air flows between plate bundle 9 subsequently, and the air of material outside material inlet 5 enters plate bundle 9 and plate bundle 9 carries out heat transmission.And the power resources of air are in blower fan 4, the gas on plate bundle 9 tops directly flows through blower fan 4, the gas of plate bundle 9 bottoms enters spout guiding device 10, gas enters cyclone and produces the spout eddy flow, freely the track with helix moves upward in annular channel, flow out from blower fan 4, the air-flow dead band of bottom is eliminated.After being cooled, material flows out through material outlet 8.

In the fixed spout device in bottom, the effect of spoiler 12 is to form spiral ascending air 11.Casing 1 bottom air-flow flows into spoiler 12 through plate bundle 9 backs, utilizes the formation principle of cyclone, and air-flow flows along camber line, casing is the pressure reduction great disparity about in the of 1, and the closer to casing 1 bottom, pressure reduction is big more up and down, like this air-flow above the casing 1 rapidly, the air through heat exchange fiercely rises below.Ascending air with about flow to tangent along spoiler 12 camber line airflow flowing 6, produce turning effort, form many little vortexs.These little vortexs enlarge gradually, because casing 1 upper air goes out outside the casing 1 in that the twitch of blower fan 4 is dirty, disturbing flow device just needs air-breathing from casing 1 bottom, downstream continuous-flow in the formation, and rotate around vertical axes, finally form tornado effect.

Self-rotary spout device and bottom fixed spout device difference just is that disturbing flow device can rotate voluntarily in the gas flow process, also can in rotating shaft 14, set up steady pin by its steady job, can also adjust the position of flow-disturbing wheel 13 simultaneously according to different operating modes, flow-disturbing wheel 13 can be moved along rotating shaft 14 upper and lower strings carry out work.The formation principle of its spout spiral air flow 11 is the same with the principle of the fixed spout device in bottom, air-flow 6 enters casing 1, ascending air with about flow to tangent along spoiler 12 camber line airflow flowing, produce turning effort, flow-disturbing wheel 13 rotates automatically around rotating shaft 14 under the effect of air flow stream power, has accelerated the formation of spout effect.

Motor-driven spout guiding device mainly is to be large-scale plate air cooler service, can make the more abundant cooling of material, improves heat exchange efficiency, and the rotating speed that changes motor 15 is regulated the effect of material outlet temperature in addition.Its course of work is to divide two-way to flow after air-flow enters plate bundle 9, ascending air 16 directly flows to blower fan 4, down current 17 flows into the spout device under the suction that flow-disturbing impeller 13 produces, flow-disturbing impeller 13 connects motor 15 through rotating shaft 14, and motor 15 drives the flow of the rotating speed control down current 17 of flow-disturbing impeller 13.It is consistent with the principle of the fixed spout device in bottom that its spout forms principle.The arc line type design of spoiler 12 allows and sucks gas 11 spiral yarn shaped risings, because the driving force of motor 15 is arranged, makes the spout effect stronger, and the air current flow up and down of casing 1 is more even.

Claims

1, a kind of Cyclonic plate air cooler, comprise casing (1), spray equipment, blower fan (4) and plate bundle (9), it is characterized in that: two groups of plate bundles (9) stand in the casing both sides, blower fan (4) is arranged at the casing top, spout guiding device (10) is arranged at the bottom in casing (1) chamber, spout guiding device (10) has a plurality of arc turbulence blades, and these turbulence blades are evenly arranged ringwise at interval.

2, Cyclonic plate air cooler according to claim 1 is characterized in that: the turbulence blades (12) of described spout guiding device (10) is fixed on bottom half.

3, Cyclonic plate air cooler according to claim 1 is characterized in that: the turbulence blades (12) of described spout guiding device (10) is installed in one on the wheel (13) of axle (14) rotation.

4, Cyclonic plate air cooler according to claim 3 is characterized in that: go up the peace steady pin in rotating shaft (14).

5, Cyclonic plate air cooler according to claim 3 is characterized in that: flow-disturbing wheel (13) can be moving along the upper and lower string of rotating shaft (14).

6, Cyclonic plate air cooler according to claim 1 is characterized in that: the turbulence blades (12) of described spout guiding device (10) is contained in one on the impeller (13) of axle (14) rotation, and this impeller (13) is driven by motor (15).