CN219141573U - Combined heat exchanger - Google Patents

Abstract

The utility model relates to a combined heat exchanger relates to heat exchange equipment's technical field, which comprises a bod, the organism includes box and lower box, be equipped with first heat exchange tube in the upper box, first heat exchange tube one end wears to establish box department and establishes to the water inlet, be equipped with the second heat exchange tube with first heat exchange tube intercommunication in the lower box, the box department is worn to establish down to the second heat exchange tube other end, the scavenge port has been seted up at the upper box top, the scavenge port is equipped with the fan, lower bottom half is equipped with the aqua storage tank, be equipped with the grid down between box and the aqua storage tank, go up box and lower box between set firmly and be used for spraying the spray set of cooling water to second heat exchange tube, spray set includes the spray header, the spray header evenly is equipped with multiunit and both ends intercommunication each other along the horizontal direction, wherein one side is equipped with the moisturizing mouth, every the spray header evenly is equipped with decurrent spray header. The application has the effect of improving heat exchange efficiency.

Description

Combined heat exchanger

Technical Field

The application relates to the technical field of heat exchange equipment, in particular to a compound heat exchanger.

Background

The heat exchanger is an energy-saving device for realizing heat transfer between two or more fluids with different temperatures, and is used for transferring heat from a fluid with higher temperature to a fluid with lower temperature, so that the temperature of the fluid reaches the index specified by a flow, thereby meeting the requirements of process conditions, and meanwhile, the heat exchanger which is one of main devices for improving the energy utilization rate is important in chemical industry, petroleum, power, food and other industrial production.

The related art can refer to Chinese patent with publication number of CN212566942U and discloses an energy-saving composite heat exchanger, which comprises a sealed heat exchange cavity, wherein a fan is arranged above the heat exchange cavity, the heat exchange cavity comprises a sealed first heat exchange cavity, a first heat exchange tube arranged in the first heat exchange cavity, a sealed third heat exchange cavity, a third heat exchange tube arranged in the third heat exchange cavity, a second heat exchange cavity, a plurality of independent second heat exchange tubes arranged in the second heat exchange cavity, one end of the second heat exchange tube is communicated with the first heat exchange cavity, the other end of the second heat exchange tube is communicated with the third heat exchange cavity, an air inlet is arranged at the bottom of the heat exchanger, the top of the fan is an air outlet, and the air inlet, the second heat exchange cavity and the air outlet form a circulating air channel.

For the related art, the fluid sprayed by the spraying component in the second heat exchange cavity of the compound heat exchanger contacts with the second heat exchange tube close to the inner wall of the heat exchange cavity more fully and contacts with the part far away from the inner wall of the heat exchange cavity worse, which may affect the heat exchange efficiency of the heat exchanger.

Disclosure of Invention

In order to improve heat exchange efficiency, the application provides a compound heat exchanger.

The application provides a combined heat exchanger adopts following technical scheme:

the utility model provides a combined type heat exchanger, includes the organism, the organism includes box and lower box, be equipped with first heat exchange tube in the upper box, first heat exchange tube one end wears to establish box department and establishes to the water inlet, be equipped with the second heat exchange tube with first heat exchange tube intercommunication in the lower box, the box department is worn to establish down to the second heat exchange tube other end and is established to the delivery port, the scavenge port has been seted up at the upper box top, the scavenge port is equipped with the fan, lower bottom of the case portion is equipped with the aqua storage tank, be equipped with the grid between lower box and the aqua storage tank, go up box and set firmly between the lower box and be used for spraying spray set of cooling water to the second heat exchange tube, spray set includes the shower pipe, the shower pipe evenly is equipped with multiunit and both ends intercommunication each other along the horizontal direction, and wherein one side is equipped with the moisturizing mouth, every the shower pipe evenly is equipped with decurrent shower head.

Through adopting above-mentioned technical scheme, the fan and the grid of last box part transfer port department can realize the circulation of organism internal air, utilize the air to cool down to the interior hot fluid of first heat exchange tube, pass through the moisturizing mouth in the lower box and lead to water to the shower pipe, then evenly spray the second heat exchange tube through the shower head with cooling water, and fall into the aqua storage tank, the hot fluid can get into first heat exchange tube from the water inlet then get into second heat exchange tube secondary heat transfer and then follow the delivery port after the preliminary heat transfer in last box, and the air and with first heat exchange tube, cooling water and second heat exchange tube can more even abundant contact, thereby realize the purpose that improves heat exchange efficiency.

Optionally, a circulating water pipe is communicated between the water storage tank and the water supplementing port of the spray water pipe, and the circulating water pipe is provided with a spray water pump.

Through adopting above-mentioned technical scheme, the intercommunication has circulating water pipe between aqua storage tank and the spray header can be with the water that falls into in the aqua storage tank after spraying carry the spray header again through the spray pump, realizes the cyclic utilization of water resource, reaches resources are saved's purpose.

Optionally, annular fins are uniformly fixed on the outer part of the first heat exchange tube.

Through adopting above-mentioned technical scheme, the outside annular fin that sets up of first heat exchange tube can increase the heat transfer area of first heat exchange tube to further increase heat exchanger heat exchange efficiency.

Optionally, the ventilation ports are uniformly provided with a plurality of groups.

By adopting the technical scheme, the ventilation ports are uniformly provided with a plurality of groups of ventilation ports, so that the ventilation speed of air circulation can be improved, and the ventilation efficiency in the machine body is improved.

Optionally, the water inlet and the water outlet are arranged on the same side of the machine body.

Through adopting above-mentioned technical scheme, water inlet and delivery port setting can reduce the usable floor area of heat exchanger in same one side, make more convenient.

Optionally, the water storage tank is provided with a liquid level meter.

Through adopting above-mentioned technical scheme, the aqua storage tank sets up the level gauge and can detect the water level of the interior cooling water of aqua storage tank, avoids the in-process water level too high to spill over or the water level is too low can't realize the heat transfer for the shower pipe supplies water.

Optionally, a climbing ladder is fixedly arranged at one corner of the machine body, and a protective fence for protection is fixedly arranged outside the machine body.

Through adopting above-mentioned technical scheme, set up the climbing ladder and be used for making the staff climb to go up the box top and overhaul work such as clearance, set up the rail guard and be used for protecting the staff to avoid taking place the accident.

Optionally, an access door is arranged between the body grids.

Through adopting above-mentioned technical scheme, be equipped with the access door between the grid and can make things convenient for the staff to overhaul the subassembly in the organism.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the heat fluid can enter the first heat exchange tube from the water inlet, then enter the second heat exchange tube for secondary heat exchange after primary heat exchange in the upper box body, and then flow out from the water outlet, and the air and the first heat exchange tube, the cooling water and the second heat exchange tube can be more uniformly and fully contacted, so that the aim of improving the heat exchange efficiency is fulfilled;

2. the annular fins are arranged outside the first heat exchange tube, so that the heat exchange area of the first heat exchange tube can be increased, and the heat exchange efficiency of the heat exchanger is further increased;

3. the climbing ladder is used for enabling workers to climb to the top of the upper box body to carry out maintenance, cleaning and other works, and the protective guard is used for protecting the workers from accidents.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is another schematic view of the overall structure of an embodiment of the present application.

Fig. 3 is a schematic view of the internal structure of the machine body according to the embodiment of the present application.

Reference numerals illustrate:

1. a body; 11. an upper case; 12. a lower box body; 13. a first heat exchange tube; 131. a water inlet; 132. a fin; 14. a second heat exchange tube; 141. a water outlet; 15. a ventilation port; 151. a blower; 16. a water storage tank; 161. a liquid level gauge; 17. a grille; 2. a shower pipe; 21. a water supplementing port; 22. a spray header; 3. a circulating water pipe; 31. a spray water pump; 4. a guard rail; 41. climbing ladder; 5. an access door.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a compound heat exchanger. Referring to fig. 1, a composite heat exchanger comprises a cuboid body 1, wherein a climbing ladder 41 is fixedly arranged at one corner of the body 1 along the vertical direction, a protective fence 4 for protection is fixedly arranged outside the body 1, the protective fence 4 is arranged on the outer side of the top of the body in a circle, and the climbing ladder 41 is arranged to be in a semicircular structure and extends downwards outside the climbing ladder 41.

Referring to fig. 1 and 2, the machine body 1 includes an upper case 11 and a lower case 12, a water storage tank 16 is fixedly arranged at the bottom of the lower case 12, a liquid level gauge 161 is arranged in the vertical direction in the water storage tank 16, and the liquid level gauge 161 can be fixed by being put into a manner and installed through a bracket or a flange.

Referring to fig. 1 and 2, a circle of grids 17 for ventilation is arranged between the lower box 12 and the water storage tank 16, an access door 5 with the same size as the grids 17 is arranged between two adjacent grids 17 of the machine body 1, one side of the access door 5 is hinged with the grids 17, the side provided with the access door 5 is hereinafter set as the front side, the top of the upper box 11 is provided with a ventilation opening 15, the ventilation opening 15 is circular, a plurality of groups of ventilation openings 15 are uniformly arranged, and the ventilation opening 15 is provided with a fan 151 for introducing air into the machine body 1 for heat exchange.

Referring to fig. 2 and 3, a first heat exchange tube 13 is disposed in the upper case 11, annular fins 132 are uniformly fixed on the outside of the first heat exchange tube 13 for increasing the heat exchange area, one end of the first heat exchange tube 13 is disposed through the upper case 11 to form a water inlet 131, a second heat exchange tube 14 communicated with the first heat exchange tube 13 is disposed in the lower case 12, the other end of the second heat exchange tube 14 is disposed through the lower case 12 to form a water outlet 141, the water inlet 131 and the water outlet 141 are disposed on the same side of the machine body 1, the heat exchanger is disposed on the right side, and both the first heat exchange tube 13 and the second heat exchange tube 14 adopt coiled tubes.

Referring to fig. 2 and 3, a spray device for spraying cooling water to the second heat exchange tube 14 is fixedly arranged between the upper case 11 and the lower case 12, the spray device comprises spray water pipes 2, the spray water pipes 2 are uniformly provided with a plurality of groups along the horizontal direction, two ends of the spray water pipes are mutually communicated, one side of the spray water pipes is provided with a circular water supplementing port 21, the water supplementing port 21 is arranged at the middle position of the spray water pipes 2 which are used for communication at the left side, and each spray water pipe 2 is uniformly provided with a downward spray header 22, so that the cooling water is sprayed to the second heat exchange tube 14 to realize heat exchange.

Referring to fig. 1 and 3, a circulating water pipe 3 is communicated between the water storage tank 16 and the water supplementing port 21 of the spray water pipe 2, one end of the circulating water pipe 3 is communicated with the left side of the water storage tank 16, the other end of the circulating water pipe 3 is communicated with the water supplementing port 21, one end, close to the water storage tank 16, of the circulating water pipe 3 is provided with a spray water pump 31, and the spray water pump 31 conveys cooling water into the spray water pipe 2 through the circulating water pipe 3.

The implementation principle of the composite heat exchanger provided by the embodiment of the application is as follows: firstly, all fans 151 on the top of the upper box 11 are started, then, hot fluid needing heat exchange is introduced into the heat exchanger from the water inlet 131, the hot fluid flows through the first heat exchange tube 13 to be cooled in a preliminary manner through air cooling, the spray water pump 31 is started before the hot fluid reaches the second heat exchange tube 14, cooling water in the water storage tank 16 is transferred to the spray water pipe 2 through the circulating water pipe 3 and is uniformly sprayed onto the outer wall of the second heat exchange tube 14 through the spray header 22 to realize further heat exchange, the cooling water can flow back into the water storage tank 16 for recycling, and finally, the temperature of the hot fluid is reduced and flows out from the water outlet 141, so that the heat exchange efficiency of the heat exchanger is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a combined heat exchanger, includes organism (1), its characterized in that: organism (1) is including last box (11) and lower box (12), be equipped with first heat exchange tube (13) in going up box (11), first heat exchange tube (13) one end wears to establish box (11) department and establishes into water inlet (131), be equipped with in lower box (12) with first heat exchange tube (13) second heat exchange tube (14) of intercommunication, box (12) department is worn to establish by the second heat exchange tube (14) other end and is established into delivery port (141), it has been offered to go up box (11) top and has been changed air port (15), it is equipped with fan (151) to change air port (15), lower box (12) bottom is equipped with aqua storage tank (16), be equipped with grid (17) between lower box (12) and aqua storage tank (16), go up between box (11) and lower box (12) and set firmly and be used for to the spray set of second heat exchange tube (14) cooling water, spray set includes shower (2), shower pipe (2) are equipped with multiunit shower nozzle (21) and are equipped with each other even shower nozzle (21) to one side down along horizontal direction, shower nozzle (22) are equipped with each other even shower nozzle (21).

2. A composite heat exchanger according to claim 1, wherein: a circulating water pipe (3) is communicated between the water storage tank (16) and the water supplementing port (21) of the spray water pipe (2), and the circulating water pipe (3) is provided with a spray water pump (31).

3. A composite heat exchanger according to claim 1, wherein: annular fins (132) are uniformly and fixedly arranged outside the first heat exchange tube (13).

4. A composite heat exchanger according to claim 1, wherein: the ventilation ports (15) are uniformly provided with a plurality of groups.

5. A composite heat exchanger according to claim 1, wherein: the water inlet (131) and the water outlet (141) are arranged on the same side of the machine body (1).

6. A composite heat exchanger according to claim 1, wherein: the water storage tank (16) is provided with a liquid level meter (161).

7. A composite heat exchanger according to claim 1, wherein: one corner of the machine body (1) is fixedly provided with a climbing ladder (41), and a protective fence (4) for protection is fixedly arranged outside the machine body (1).

8. A composite heat exchanger according to claim 1, wherein: an access door (5) is arranged between the grids (17) of the machine body (1).

Images