CN102052874A

CN102052874A - Plate type heat exchanger with high bearing pressure

Info

Publication number: CN102052874A
Application number: CN 201110006696
Authority: CN
Inventors: 缪君明; 周浩军
Original assignee: JIANGSU BAODE HEAT EXCHANGER EQUIPMENT CO Ltd
Current assignee: JIANGSU BAODE HEAT EXCHANGER EQUIPMENT CO Ltd
Priority date: 2011-01-13
Filing date: 2011-01-13
Publication date: 2011-05-11

Abstract

The invention relates to a plate type heat exchanger, in particular to a plate type heat exchanger with higher bearing pressure for refrigerants such as R410A, R410B (the names of the refrigerants) and the like. The invention belongs to the technical field of heat exchange equipment. The plate type heat exchanger of high bearing pressure comprises a heat exchange plate sheet group (2), and is characterized in that connecting devices (13) are arranged at interval of each heat exchange plate sheet; the connecting devices (13) are distributed along the circumference of inlet/outlet channels (1) of fluid; the connecting devices (13) and the heat exchange plate sheets are fixedly connected with the inlet/outlet channels (1) of the fluid into a whole in a barrel shape; the circular arc surface of the connecting devices (13) is provided with multiple small holes (14) for the fluid flowing in and flowing out in the radial direction; and the multiple small holes (14) communicate the inlet/outlet channels (1) of the fluid and heat transfer flow channels (15) of the heat transfer plate sheet group (2). The plate type heat exchanger of high bearing pressure is easy to manufacture and install, and the problem of the high-pressure deformation borne by a refrigerant side end plate is solved.

Description

High pressure-bearing plate type heat exchanger

Technical field

The present invention relates to a kind of plate type heat exchanger, especially relate to and be used for R410A, R410B(cold-producing medium title) etc. the cold-producing medium plate type heat exchanger higher to pressure-bearing.Belong to the heat-exchange apparatus technical field.

Background technology

In refrigeration, to heat in the field commonly used be plate type heat exchanger, heat etc. such as air conditioner refrigerating, heat pump, utilize in the staggered and heat exchange runners that isolate mutually two of plate type heat exchangers and absorb in the evaporation of cold-producing medium and the condensation process and emit a large amount of heats, with refrigeration or heating such as second fluid ratio such as water, its structure such as Fig. 1 and Fig. 2.When adopting the cold-producing medium R410A of efficient, environmental protection, owing to need reach the pressure about 4.0MPa during the R410A condensation, so the parts that constitute this kind cooling cycle system need bear the high pressure of 4.0MPa, common plate type heat exchanger causes refrigerant side end plate distortion (being commonly called as the heat exchanger bulge) easily because of bearing high pressure, stretching is broken plate, cause plate to change interior leakage, even destroy whole refrigeration, heating.

For solving above-mentioned plate type heat exchanger pressure-bearing problem, some schemes have been arranged in the prior art, such as importing and exporting the passage increase thickness of end plate (end plate before and after claiming is also arranged) up and down, perhaps on original end plate, add an end plate or stiffener again, to improve the rigidity of end plate.But these schemes need be added mould in addition, are not easy to make.

Summary of the invention

The objective of the invention is to overcome above-mentioned deficiency, a kind of high pressure-bearing plate type heat exchanger of making and installing of being easy to is provided, should bear the high pressure distortion to solve the refrigerant side end plate.

The object of the present invention is achieved like this: a kind of high pressure-bearing plate type heat exchanger, comprise the heat exchange plate group, this heat exchange plate group is superposeed successively by some heat exchange plates and constitutes, this heat exchange plate group is provided with passes this heat exchange plate group to form the hole, angle of fluid turnover/mouth passage, heat exchange plate group top and bottom are set with upper head plate and bottom plate respectively, be connected with adapter on the upper head plate, in a heat exchange plate gap, be provided with jockey, distribute around the jockey longshore current body turnover/mouth passage circumference, this jockey and heat exchange plate are fixedly connected into a tubbiness integral body with fluid turnover/mouth passage, radially have the some number apertures for the fluid turnover on the jockey arc surface, some number apertures are with the heat exchange runner UNICOM in fluid turnover/mouth passage and the heat exchange plate group.

In plate type heat exchanger of the present invention, when using as condenser, when the refrigerant gas of HTHP entered the fluid inlet passage, the direct pressure about gases at high pressure act on the end plate was born by being welded into whole tubbiness passage and adapter fully, thereby had reduced the distortion of end plate.Cold-producing medium flows into each heat exchange runner by the aperture of jockey, finishes condensation.Certainly, when using, also be like this as evaporimeter.

The invention has the beneficial effects as follows:

Adopt the present invention then can obviously improve the voltage endurance capability that plate changes, and this kind jockey is simple, easily processing, in this plate type heat exchanger manufacture process, do not need to change original existing heat exchange plate structure, manufacturing be revised or be redesigned to existing plate mould need not, saved mold developing expense again.Reduce input cost, design pressure, intensity are calculated when needing, and this device is installed.Certainly, can this device be installed, also can import and export all and install at intake channel.

Description of drawings

Fig. 1 is the perspective view of plate type heat exchanger in the past.

Fig. 2 profile of plate type heat exchanger in the past when the A-A hatching is seen in Fig. 1.

Fig. 3 is when the A-A hatching is seen in Fig. 1, the part cross section of the high pressure-bearing plate type heat exchanger of the embodiment of the invention.

Fig. 4 is according to the jockey schematic diagram that uses in the embodiments of the invention.

Fig. 5 is the side view of Fig. 4.

Reference numeral among the figure:

Fluid turnover/mouth passage 1, heat exchange plate group 2, upper head plate 3, bottom plate 4, first outlet, 5, first import 6, second import 7, second outlet 8, heat exchange plate 9, heat exchange plate 10, heat exchange plate 11, heat exchange plate 12, jockey 13, aperture 14, heat exchange runner 15, adapter 16.

The specific embodiment

Fig. 1 is the perspective view of plate type heat exchanger in the past.Plate type heat exchanger comprised heat exchange plate group 2 and the upper head plate 3 and the bottom plate 4 that are separately positioned on heat exchange plate group 2 tops and bottom in the past, heat exchange plate group 2 has first import 6 and second import 7 of two kinds of heat exchanging fluids, and first outlet, 5 and second outlet, 8, the first imports 6, second import 7, first outlet, 5 and second outlet, 8 places are equipped with the adapter of connecting pipe.

Fig. 2 profile of plate type heat exchanger in the past when the A-A hatching is seen in Fig. 1.Heat exchange plate group 2 is superposeed successively by some heat exchange plate groups and constitutes.This heat exchange plate group 2 is provided with passes this heat exchange plate group to form the hole, angle of fluid turnover/mouth passage 1.Wherein between heat exchange plate 9 and the heat exchange plate 10 and be welded to each other bonding between heat exchange plate 11 and the heat exchange plate 12, to form sealing surface, and heat exchange plate 10 and heat exchange plate 9, heat exchange plate 12 and 11 of heat exchange plates form heat exchange runner 15, make first fluid enter to flow through behind the fluid inlet passage of left side the gap of heat exchange plate 10 and heat exchange plate 9, enter the heat exchange runner that heat exchange plate forms, owing to the adhesive seal of 12 of heat exchange plates 11, heat exchange plate makes first fluid can not enter right side fluid issuing passage.In like manner, second fluid can not enter left side fluid inlet passage, isolate mutually between the first fluid and second fluid thus, can only carry out the heat biography in heat exchange runner at interval changes, certainly this plate type heat exchanger can have a plurality of entrance and exits, the shape and the position of fluid turnover/mouth passage also can freely be selected, and bonding can be rubber seal or various ways such as welding soldering, gummed.

Fig. 3 is when the A-A hatching is seen in Fig. 1, the part cross section of the high pressure-bearing plate type heat exchanger of the embodiment of the invention.As seen from Figure 3, the high pressure-bearing plate type heat exchanger of the present invention, be in the middle of fluid turnover/mouth passage 1 gap of original heat exchange plate 9 and heat exchange plate 10 formation, jockey 13 to be installed, distribute around jockey 13 longshore current body turnover/mouth passages 1 circumference, radially have the some number apertures 14 for the fluid turnover on jockey 13 arc surfaces, described aperture 14 is with heat exchange runner 15 UNICOMs in fluid turnover/mouth passage 1 and the heat exchange plate group 2.This jockey 13 is welded into a tubbiness integral body by soldering with fluid turnover/mouth passage 1 with heat exchange plate.Heat exchange plate group 2 tops and bottom are respectively arranged with upper head plate 3 and bottom plate 4, are connected with on the upper head plate 3 to take over 16.

When the fluid of high pressure by taking over 16 when pouring in and filling up rapidly fluid turnover/mouth passage 1, the high pressure of fluid acts on up and down on the end plate, because this moment, jockey and heat exchange plate, end plate were welded into a whole, under identical high pressure, the most yielding ab, the stressed moment in cd two zones (Fig. 3) the obviously stressed moment than a ' b ' and c ' d ' zone (Fig. 2) are little, therefore with respect to the heat exchanger of Fig. 2 structure, the heat exchanger of Fig. 3 structure can bear higher pressure.High-pressure fluid enters heat exchange runner 15 by aperture 14.

Fig. 4 is according to the jockey schematic diagram that uses in the embodiments of the invention.Fig. 5 is the side view of Fig. 4.By Fig. 4 and Fig. 5 as can be seen, radially have the some number apertures 14 for the fluid turnover on jockey 13 arc surfaces, the number of aperture can be calculated and be got by the single channel sectional area of fluid flow and heat exchanger.Certainly, the form of offering aperture also can be split into form of grooves.

At last; should be understood that; above embodiment only is the more representational example of the present invention; obviously; technical scheme of the present invention is not limited to the foregoing description, and many distortion can also be arranged, all distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention; comprise this integral type throttling arrangement is local or all split into the device of the same form of being made up of several parts, all should think protection scope of the present invention.

Claims

1. one kind high pressure-bearing plate type heat exchanger, comprise heat exchange plate group (2), this heat exchange plate group (2) is superposeed successively by some heat exchange plates and constitutes, this heat exchange plate group (2) is provided with passes this heat exchange plate group to form the hole, angle of fluid turnover/mouth passage (1), heat exchange plate group (2) top and bottom are set with upper head plate (3) and bottom plate (4) respectively, be connected with adapter (16) on the upper head plate (3), it is characterized in that: in a heat exchange plate gap, be provided with jockey (13), distribute around jockey (13) longshore current body turnover/mouth passage (1) circumference, this jockey (13) is fixedly connected into a tubbiness integral body with heat exchange plate with fluid turnover/mouth passage (1), radially have the some number apertures (14) for the fluid turnover on jockey (13) arc surface, some number apertures (14) are with fluid turnover/mouth passage (1) and interior heat exchange runner (15) UNICOM of heat exchange plate group (2).