CN-117308644-B - Heat exchange equipment and heat exchange method for fluid heat exchange

CN117308644BCN 117308644 BCN117308644 BCN 117308644BCN-117308644-B

Abstract

The invention relates to a heat exchange device and a heat exchange method for fluid heat exchange. A heat exchange device for fluid heat exchange comprises a first cover body with a hollow inside, a second cover body with a hollow inside is arranged in the first cover body in a matched mode, a cavity is formed between the second cover body and the first cover body, a plurality of groups of heat exchange assemblies are arranged in the second cover body in a matched mode, each single group of heat exchange assemblies comprises a hollow heat exchange tube in the inside, a plurality of openings are formed in the side wall surface of each single heat exchange tube, a heat exchange core group is arranged in each single opening in a matched mode, one end of each single heat exchange core group stretches into the corresponding heat exchange tube, the other end of each single heat exchange core group stretches out of the corresponding heat exchange tube, and the other end of each single heat exchange core group is electrically connected with the output end of a power adapter. Through setting up the heat exchange core group, heat exchange core group carries out the heat exchange with the fluid direct contact that waits to exchange heat to greatly improved heat exchange efficiency.

Inventors

WANG ZEPENG
HUA JUN
ZHENG TIAN
FENG QI
MA YI
CHEN YAHUI
Miao Anli

Assignees

中国船舶重工集团公司第七0三研究所无锡分部

Dates

Publication Date: 20260505
Application Date: 20230829

Claims (7)

1. The heat exchange device for fluid heat exchange is characterized by comprising a first cover body (1) with a hollow inside, wherein a second cover body (2) with a hollow inside is arranged in the first cover body (1) in a matched manner, a cavity is formed between the second cover body (2) and the first cover body (1), a motor (4) is fixed on the first cover body (1), the output end of the motor (4) penetrates through the wall surface of the first cover body (1) to be connected with a fan (5) positioned in the cavity, and the motor (4) drives the fan (5) to rotate, so that air in the cavity flows; An array of heat exchange assemblies are mounted in the second cover body (2) in a matched mode, each single heat exchange assembly comprises a heat exchange tube (6) with a hollow inside, a plurality of openings are formed in the side wall surface of each single heat exchange tube (6), a heat exchange core group (3) is mounted in each single opening in a matched mode, one end of each single heat exchange core group (3) stretches into the corresponding heat exchange tube (6), the other end of each single heat exchange core group stretches out of the corresponding heat exchange tube, the single heat exchange core group (3) is electrically connected with the output end of the power adapter (10), an inlet tube (7) for enabling fluid to flow into the heat exchange tube (6) is mounted at the bottom of each single heat exchange tube (6), and an outlet tube (8) for enabling fluid in the heat exchange tube (6) to flow out is mounted at the top of each single heat exchange tube (6) in a matched mode; When the power adapter (10) outputs a first driving voltage, the temperature of one end of the corresponding heat exchange core group (3) positioned in the heat exchange tube (6) is reduced, and the temperature of one end positioned in the cavity is increased; when the power adapter (10) outputs a second driving voltage, the temperature of one end of the corresponding heat exchange core group (3) positioned in the heat exchange tube (6) is increased, and the temperature of one end positioned in the cavity is reduced; the second cover body (2) is made of heat insulation materials, mounting holes which are in one-to-one correspondence with the openings are formed in the wall surface of the second cover body (2), and the mounting holes are used for enabling the corresponding heat exchange core groups (3) to extend out of the cavities; the structure of the single heat exchange core group (3) comprises a heat insulation cover (302) with a through hole in the middle, wherein a semiconductor refrigerating sheet (301) is installed in the through hole in a matched manner, a first fin (303) and a second fin (304) are respectively installed on two side wall surfaces of the heat insulation cover (302), the first fin (303) is attached to one working end surface of the semiconductor refrigerating sheet (301) through the through hole, and the second fin (304) is attached to the other working end surface of the semiconductor refrigerating sheet (301) through the through hole; the heat exchange tube (6) has the structure that the heat exchange tube comprises a first hollow tube body (601), wherein a plurality of partition boards (602) which are uniformly arranged at intervals along the height direction of the first tube body (601) are arranged in the first tube body (601) in a matched mode, through grooves (603) for enabling fluid in the first tube body (601) to pass through are formed in the end face of each partition board (602), and the through grooves (603) in the two adjacent partition boards (602) are arranged in a staggered mode, so that the fluid in the first tube body (601) flows in a serpentine mode; a plurality of first interfaces (604) are arranged on the bottom wall surface of the first pipe body (601), and a plurality of second interfaces (605) are arranged on the top wall surface of the first pipe body (601).
2. The heat exchange device for fluid heat exchange according to claim 1, wherein the wall surface of the first cover body (1) is provided with a plurality of heat dissipation ports (12), and a wind screen window is detachably arranged on the single heat dissipation port (12).
3. The heat exchange device for fluid heat exchange according to claim 1, wherein the inlet pipe (7) comprises a second hollow pipe body (701), a fluid inlet (702) is arranged on the side wall surface of the second pipe body (701), and a third interface (703) correspondingly connected with the first interface (604) is arranged on the top wall surface of the second pipe body (701).
4. The heat exchange device for fluid heat exchange according to claim 1, wherein the outlet pipe (8) comprises a third pipe body (801) with a hollow interior, a fluid outlet (802) is arranged on the side wall surface of the third pipe body (801), and a fourth interface (803) correspondingly connected with the second interface (605) is arranged on the bottom wall surface of the third pipe body (801).
5. A heat exchange device for fluid heat exchange according to claim 1, wherein the bottom of the first housing (1) is provided with a support (13) in a mating manner, and the bottom of the support (13) is provided with a plurality of evenly arranged support legs (14) in a mating manner.
6. A heat exchange device for fluid heat exchange according to claim 1 wherein a control system is mounted on the exterior of the heat exchange device in cooperation, the control system comprising a microprocessor (11) electrically connected to the power adapter (10), and a temperature sensor (9) mounted on the outlet tube (8) in cooperation, the temperature sensor (9) transmitting a temperature signal of the outlet tube (8) to the microprocessor (11), the microprocessor (11) controlling an output signal of the power adapter (10) in dependence on a signal transmitted by the temperature sensor (9).
7. A heat exchange method using the heat exchange device for fluid heat exchange according to claim 1, comprising the steps of: the fluid to be treated flows into the heat exchange tube (6) through the inlet tube (7), and the fluid in the heat exchange tube (6) flows from bottom to top and flows out of the heat exchange tube (6) through the outlet tube (8); In the process of flowing the fluid in the heat exchange tube (6) from bottom to top, when the fluid in the heat exchange tube (6) needs to be cooled, the power adapter (10) outputs a first driving voltage, and the temperature of one end of the heat exchange core group (3) in the heat exchange tube (6) is reduced by the first driving voltage, so that the temperature of the fluid in the heat exchange tube (6) is reduced; meanwhile, the temperature of one end of the heat exchange core group (3) positioned in the cavity is increased, and at the moment, the motor (4) drives the fan (5) to rotate, so that air in the cavity flows, and heat dissipation is accelerated; In the process of flowing the fluid in the heat exchange tube (6) from bottom to top, when the fluid in the heat exchange tube (6) needs to be heated, the power adapter (10) outputs a second driving voltage, and the temperature of one end of the heat exchange core group (3) in the heat exchange tube (6) is increased through the second driving voltage, so that the temperature of the fluid in the heat exchange tube (6) is increased; Meanwhile, the temperature of one end of the heat exchange core group (3) positioned in the cavity is reduced, and the motor (4) is stopped at the moment.

Description

Heat exchange equipment and heat exchange method for fluid heat exchange Technical Field The invention relates to the technical field of heat exchangers, in particular to heat exchange equipment and a heat exchange method for fluid heat exchange. Background In the field of industrial control, a set of fluid systems often need to be equipped with high-power heat exchangers for normal operation. Taking an industrial special diesel engine as an example, a cooling water system is of an internal circulation structure when the diesel engine runs, cooling water takes away heat generated by the running of the diesel engine after entering the diesel engine, high temperature water flows from an outflow port of the diesel engine to an air cooling radiator, the air cooling radiator exchanges heat with external air through radiating fins to radiate heat, and a fan at the top of the air cooling radiator rotates to drive the air to flow to increase heat exchange, so that the cooling water in the radiator flows back to the diesel engine at a certain temperature, and then the cooling water flows back to the diesel engine for reciprocating circulation. The heat dissipation principle of the air-cooled radiator in the prior art is air convection heat exchange, the heat exchange efficiency is low, a large-area heat exchange fin is needed, a high-power fan is arranged to enhance heat dissipation, the noise is large, the size is large, the large production space is occupied, the radiator can only cool fluid, and when an executing mechanism needs to be in a hot standby state, an additional preheater and a temperature control valve are also needed to maintain the temperature of the fluid in the executing mechanism, so that the working efficiency is low, and the function is single. Disclosure of Invention The inventor aims at the defects in the prior art, and provides heat exchange equipment and a heat exchange method for fluid heat exchange, wherein the heat exchange core group is arranged and is in direct contact with fluid to be subjected to heat exchange to perform heat exchange, so that the heat exchange efficiency is greatly improved, and meanwhile, the heat exchange core group has the functions of cooling fluid and heating fluid, so that one set of heat exchange equipment has a cooling and heating dual working mode, the structure is compact, the volume of the heat exchange equipment is effectively reduced, and the manufacturing cost and the production cost are reduced. The technical scheme adopted by the invention is as follows: The heat exchange equipment for fluid heat exchange comprises a first cover body with a hollow interior, wherein a second cover body with a hollow interior is arranged in the first cover body in a matched manner, a cavity is formed between the second cover body and the first cover body, a motor is fixed on the first cover body, the output end of the motor penetrates through the wall surface of the first cover body and is connected with a fan positioned in the cavity, and the motor drives the fan to rotate, so that air in the cavity flows; An array of heat exchange assemblies are mounted in the second cover body in a matched mode, each single heat exchange assembly comprises a hollow heat exchange tube in the interior, a plurality of openings are formed in the side wall surface of each single heat exchange tube, a heat exchange core group is mounted in each single opening in a matched mode, one end of each single heat exchange core group extends into the corresponding heat exchange tube, the other end of each single heat exchange core group extends into the corresponding cavity, the single heat exchange core group is electrically connected with the output end of the power adapter, an inlet tube for enabling fluid to flow into the heat exchange tube is mounted at the bottom of each single heat exchange tube in a matched mode, and an outlet tube for enabling fluid in the heat exchange tube to flow out is mounted at the top of each single heat exchange tube in a matched mode; When the power adapter outputs a second driving voltage, the temperature of one end of the corresponding heat exchange core group in the heat exchange tube is increased, and the temperature of one end of the corresponding heat exchange core group in the cavity is reduced, and the direction of the first driving voltage is opposite to the direction of the second driving voltage. As a further improvement of the above technical scheme: the wall surface of the first cover body is provided with a plurality of heat dissipation openings, and a single heat dissipation opening is detachably provided with a wind screen window. The second cover body is made of heat-insulating materials, mounting holes corresponding to the openings one by one are formed in the wall surface of the second cover body, and the mounting holes are used for enabling the corresponding heat exchange core groups to extend out of the cavity. The structure of the single heat