CN2295980Y

CN2295980Y - Flat pipe type heat exchanger

Info

Publication number: CN2295980Y
Application number: CN 96250928
Authority: CN
Inventors: 苏金泉
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-12-19
Filing date: 1996-12-19
Publication date: 1998-10-28
Anticipated expiration: 2006-12-19

Abstract

The utility model relates to a flat pipe type heat exchanger with high heat exchange efficiency. Flat metal pipes are provided into rows with a uniform separation distance according to the shape of a delta. Thin metal radiating fins which are arranged densely and parallelly and are provided with corresponding delta-shaped uniform separation distances are sleeved tightly on the flat metal pipes to became the body of a structure. Both ends of the body are diversion pipeline bodies. Each diversion pipeline body is composed of an inlet and outlet joint and a strip of or a plurality of strips of pipe grooves which are mutually parallel. According to the needs of diversion, piston sheets used for blocking flow can be arranged on the middle parts of the pipe grooves. A conduction pipe can be connected between the lateral walls of two contiguous pipe grooves. Flat metal discharge pipes on both ends of the body are respectively clamped in the pipe grooves of the diversion pipeline bodies on both ends to become a sealing cooling medium circulation system or a hot liquid circulation system. Cooling media or hot liquid enter front an inlet joint and circulates according to the flow direction which is designed by the diversion pipeline bodies on both ends to pass through the flat metal discharge pipes. At last, the cooling media or the hot liquid are discharged from an outlet joint and makes heat exchange sufficiently with air flow which passes through the flat metal pipes and the thin metal radiating fins through the flat metal pipes and the thin metal radiating fins. Then, the purposes of refrigeration and heating can be achieved.

Description

The flat tube plate heat exchanger

The utility model is released a kind of flat tube plate heat exchanger, and especially its version be fit to be made different heat exchanger, and the heat exchanger that can realize refrigerating function to have reached the heat exchanger of heat-obtaining function integrated, its volume is little, the efficient height.

Present known heat exchanger has pipe type, corrugated tube type, stacked and parallel flow type etc., though the heat exchanger of these forms or be that efficient is high, it is high that process materials equipment requires, or be that process materials equipment is less demanding, but efficient is lower.

The purpose of this utility model provides a kind of new-type structure, adapt to and make different heat exchanger, and the heat exchanger that can realize refrigerating function to have reached the heat exchanger of heat-obtaining function integrated, its process materials equipment requires general, heat exchanger effectiveness is than higher.

The utility model is achieved in that flat metal tube is arranged in rows by Chinese character pin-shaped unified spacing that (flat metal tube two sides are parallel with airflow direction, can also become a little inclination angle with airflow direction.) have corresponding isosceles triangle with parallel solid matter and unify the thin metal fin in the flat hole of spacing and be locked and become heat exchanger body.The main body two ends are diversion pipeline bodies, and it is formed by importing and exporting joint and one or several tube seat that is parallel to each other.According to the needs of water conservancy diversion, the tube seat middle part can be provided with the choked flow patch, and two adjacent tube seat sidewalls can connect conduction pipe.The flat metal tube comb at main body two ends clamps the refrigerant or the hydrothermal solution circulatory system that becomes a sealing into the tube seat of two ends diversion pipeline body respectively.Refrigerant or hydrothermal solution enter from inlet union, cycle through flat metal tube comb by the flow direction of two ends diversion pipeline body setting, discharge from outlet connection at last.Fully carry out heat exchange by flat metal tube and thin metal fin with the air stream of flowing through therebetween therebetween, reach the purpose of refrigeration and heat-obtaining.Flat tube plate heat exchanger heat exchanger effectiveness is higher more than 30% than pipe type, corrugated tube type, with at present known more advanced stacked, parallel flow type efficient is equal to each other.But its process materials equipment require than stacked, parallel flow type is much lower.

The utility model is described in further detail below in conjunction with drawings and Examples:

Fig. 1 is a flat tube plate evaporator overall diagram, and figure is a cross section view in the middle of it.

Fig. 2 is the left view of Fig. 1.

Fig. 3 is the right view of Fig. 1.

Fig. 4 is the I-I cutaway view of Fig. 3.

Fig. 5 is that Fig. 1 flat tube plate evaporator refrigerant expansion cycles flows to schematic diagram.

Fig. 6 is flat tube plate evaporator and hot-water radiator integral structure overall diagram, and figure is a cross section view in the middle of it.

Fig. 7 is the right view of Fig. 5.

Fig. 8 is the left view of Fig. 5.

Fig. 9 is a flat tube chip type condenser overall diagram, and figure is a cross section view in the middle of it.

Shown in Figure 1 is the flat tube plate evaporator, its flat metal tube (7) two sides become a little inclination angle (be no more than usually 15 ° for well) with airflow direction, and unify spacing by isosceles triangle and be arranged in five rows, have corresponding isosceles triangle with solid matter (its parallel distance is the 2-3 millimeter) and unify the thin metal fin (8) in the flat hole of spacing and be locked, so just formed vaporizer body.The structure of flat metal tube (7) two ends diversion pipeline body is seen Fig. 2,3,4, metal garden pipe (3), (9), (10), (11), (12), (13), (14), (15), (16), (17) have and the corresponding groove of flat metal tube (7) comb, flat metal tube (7) pincers go in metal garden pipe (3), (9), (10), (11), (12), (13), (14), (15), (16), (17) groove and protrude the garden inside pipe wall a little.Press the needs of water conservancy diversion, choked flow patch (4) is inserted at metal garden pipe (3) middle part and--------conduction pipe (2) is inserted in the side between (17) in (14)--(15), (16)--for (11), (13) for (10), (10) for (9), (3) at two adjacent metal gardens pipes (3).Pipe (9) one termination inlet union (5) in metal garden among Fig. 3, metal garden pipe (12) one termination outlet connections (6), all metal gardens are managed all the other terminations and are clogged with plug (1).At last with all metal garden Guan Yubian metal tubes (7), conduction pipe (2), patch (4), plug (1), inlet union (5) and outlet connection (6) seal welding.

When evaporimeter enters duty, see Fig. 2,3, refrigerant flows to the XIAN head on 5, refrigerant enters from inlet union (5), at first be full of the epimere of Fig. 3 metal garden pipe (9) and (3), arrive Fig. 2 metal garden pipe (13) after expanding by flat metal tube (7) then, (14), (15), after expanding, flat metal tube (7) arrives Fig. 3 metal garden pipe (10) again, (11) and the hypomere of (3), after expanding, flat metal tube (7) arrives Fig. 2 metal garden pipe (16) again again, (17), after flat metal tube (7) expands, arrive Fig. 3 metal garden pipe (12) again again, discharge from outlet connection (6) at last.In whole refrigerant expansion cycles process, refrigerant reaches the purpose of air cooling by flat metal tube (7), the abundant heat that absorbs the air stream of flowing through therebetween of thin metal fin (8).In the structure, flat metal tube (7) two sides become a little inclination angle with airflow direction, can delay the time of air-flow and flat metal tube (7), thin metal fin (8) heat exchange, strengthen the effect of refrigeration.

Be flat tube plate evaporator and hot-water radiator integral structure figure shown in Fig. 6,7,8, the cross section view in the middle of Fig. 6 shows that flat metal tube (7) has seven rows, and wherein left side five rows are to make evaporimeter usefulness, and right side two rows make hot-water radiator and use.Because flat metal tube (7) row number increases, the air current flow resistance also increases thereupon, makes flat metal tube (7) two sides parallel with airflow direction for this reason, can improve the resultant effect of heat exchange.

And the patch (18) parallel with airflow direction, all the other structures and refrigerant expansion cycles process thereof all the flat tube plate evaporator with shown in Figure 1 are the same except that flat metal tube (7) two sides for the evaporimeter that metal tube (28) (29), (30), (31), (32) constitute on metal tube (23), (24), (25), (26), (27), Fig. 8 on cross section view upper left side five row's flat metal tubes (7) in the middle of Fig. 6 and Fig. 7 with matching.

In the middle of Fig. 6 on the cross section view right side two flat metal tubes of row (7) and Fig. 7 of being complementary with it on metal garden pipe (21), (22), Fig. 8 metal garden pipe (33), (34) constitute flat tube chip hot-water radiator.Its working cycles process is that hot water enters metal garden pipe (21) from Fig. 7 inlet union (19), behind flat metal tube (7), arrive Fig. 8 metal garden pipe (33), (34), behind flat metal tube (7), arrive Fig. 7 metal garden pipe (22) again, discharge from outlet connection (20) at last.Hot water is in the process of circulating, and its heat fully carries out heat exchange by flat metal tube (7), thin metal fin (8) and the air stream of flowing through therebetween, reaches the purpose of air heat-obtaining.

In flat tube plate evaporator and hot-water radiator integral structure, normally both one of them work separately, can also be that both work simultaneously.Normally regulate the hot water flow that enters hot-water radiator and adjust cold and hot resultant effect this moment.

What Fig. 9 showed is the flat tube chip type condenser.Flat metal tube (7) two sides are parallel with airflow direction, face and be single arrangement.When condenser enters duty, see that refrigerant flows to the edge head on Fig. 9, the refrigerant of high temperature, high pressure enters the right section of metal garden pipe (35) from inlet union (37), behind flat metal tube (7), manage the right section of (36) to the metal garden, after arriving the stage casing of metal garden pipe (35), flat metal tube (7) arrives the left side section of metal garden pipe (36) more again again through flat metal tube (7), arrive metal garden pipe (35) left side section through flat metal tube (7) again again, discharge from outlet connection (38) at last.In the refrigerant cool cycles process of HTHP, flat metal tube (7) and thin metal fin (8) pass to the air stream of flowing through therebetween rapidly with heat energy, reach the purpose of refrigerant condensation.

Claims

1. flat tube plate heat exchanger that heat exchanger effectiveness is high, it is characterized in that flat metal tube is unified spacing by isosceles triangle to be arranged in rows, have that corresponding isosceles triangle unifies that the thin metal fin in the flat hole of spacing is locked and the main body that becomes structure with parallel solid matter, the main body two ends are diversion pipeline bodies, it is formed by importing and exporting joint and one or several tube seat that is parallel to each other, needs according to water conservancy diversion, the tube seat middle part can be provided with the patch of choked flow, two adjacent tube seat sidewalls can insert conduction pipe, and the flat metal comb at main body two ends clamps respectively into two ends diversion pipeline body tube seat becomes the refrigerant of a sealing or the circulatory system of hydrothermal solution.

2. according to claim 1., it is characterized in that the heat exchanger of refrigerating function and the heat exchanger of a heat-obtaining function can be made of one, some is made refrigeration heat converter in its structure, and another partly makes the heat-obtaining heat exchanger.

3. according to claim 1., it is characterized in that flat metal tube two sides can be parallel with airflow direction, can also become a little inclination angle with airflow direction.

4. according to claim 1., it is characterized in that flat metal tube comb minimum can be single.