CN213932123U

CN213932123U - Shell and tube finned heat exchanger for air cooling

Info

Publication number: CN213932123U
Application number: CN202021910072.7U
Authority: CN
Inventors: 张勇
Original assignee: Yangchun Kedil Refrigeration Equipment Co ltd
Current assignee: Yangchun Kedil Refrigeration Equipment Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-08-10
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses a shell and tube finned heat exchanger for air cooling, which comprises a heat exchanger shell, wherein both sides of the heat exchanger shell are respectively provided with an air inlet and an air outlet, a drainage structure capable of guiding airflow to flow is arranged in the heat exchanger shell, and a condensation component capable of guiding condensate is arranged in the heat exchanger shell, the utility model has simple structure and convenient use, can prolong the time of gas staying in the heat exchanger by baffling the gas in the heat exchanger, prolong the flowing time, enable the gas to be cooled more uniformly, increase baffle plates, reduce the row number of heat exchange tubes under the same heat exchange quantity and temperature difference, avoid lengthening the length of the heat exchange tubes and increasing the row number, avoid excessively increasing the whole volume, save more space, reduce the number of elbows, reduce welding ports, save energy, improve the reliability of a system and improve the efficiency simultaneously, the cost is reduced, a better cooling effect is realized through a simple mode, and the industrial cost is reduced.

Description

Shell and tube finned heat exchanger for air cooling

Technical Field

The utility model relates to a refrigeration plant field, in particular to shell and tube fin type heat exchanger that air cooling used.

Background

The heat exchanger is used for freezing gas through condensate, so that the air is cooled, and in some manufacturing industries, the heat exchanger is widely used, but the existing heat exchanger is a single outer pipe and heat exchange pipe structure, when the air passes through the heat exchanger, because the air needs a certain time for cooling, when the air needs to be cooled by the heat exchanger, the heat exchanger with longer heat exchange pipes is generally selected, or the number of rows of the heat exchange pipes is increased, so that the air can be sufficiently cooled, but the number of rows of the heat exchange pipes is increased, so that more material loss is consumed, the industrial cost of welding ports, elbows and the like is increased, the length of the heat exchange pipes is increased, the integral volume of the heat exchanger is increased, the space is occupied, and the traditional heat exchanger has a lot of inconvenience.

Thus, further improvements are needed in the prior art heat exchangers.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above purpose, the utility model adopts the following scheme:

a shell and tube finned heat exchanger for air cooling comprises a heat exchanger shell, wherein an air inlet and an air outlet are respectively formed in two sides of the heat exchanger shell, a drainage structure capable of guiding airflow to flow is arranged in the heat exchanger shell, and a condensation assembly capable of guiding condensate is arranged in the heat exchanger shell.

Further, the utility model provides a shrouding on the face of both ends around the condensation subassembly is including setting up the heat exchanger casing is equipped with the condensate entry at the shrouding upside that is located the front end the shrouding downside is provided with the condensate export both sides all are fixed with the tube sheet around the heat exchanger casing is inside, are fixed with a plurality of heat exchange tubes between the tube sheet of both sides, connect through the elbow between a plurality of heat exchange tubes and form heat transfer circuit and make the both ends of heat transfer circuit connect condensate entry and condensate export respectively.

Further, the utility model provides a condensation subassembly is still including the aluminium fin of expanded joint setting on the heat exchange tube.

Further, the utility model provides a drainage structure is including setting up a plurality of baffling boards one and a plurality of baffling boards two that set up respectively at the inside lower wall of pipe shaft at the inside upper wall of heat exchanger shell respectively, baffling board one and baffling board two set up around in turn and make the air current be the S-shaped flow.

Furthermore, the heat exchange tube of the utility model is arranged on the first baffle plate and the second baffle plate in an inserting way.

Further, the utility model provides a heat exchanger shell is inside and lie in and be fixed with the pull rod between the both sides shrouding, be equipped with the screw thread on the pull rod threaded connection has a plurality of nuts that can fix baffling board one and baffling board two on the pull rod.

Further, the utility model provides a heat exchange tube is copper tubing.

Further, the utility model provides a heat exchanger shell bottom is equipped with the outlet.

To sum up, the utility model discloses for its beneficial effect of prior art is:

the utility model discloses simple structure, high durability and convenient use, make gaseous time of stopping in the heat exchanger lengthen through letting gas baffling in the heat exchanger, the time of flow is also longer, make gaseous more evenly to be cooled, increase the baffling board, make the same heat transfer volume and the heat transfer pipe row number under the difference in temperature reduce, the heat exchange tube does not need extra long pipe length and increase row number, whole volume can not too much increase, save more spaces, and reduced elbow quantity, the welding seam has been reduced, also practiced thrift the energy and make system reliability higher, the efficiency has been improved simultaneously, the cost is reduced, realize better cooling effect through simple mode, make the industrial cost reduce.

Drawings

Fig. 1 is a schematic plan view of the present invention.

Fig. 2 is a schematic analysis diagram of the present invention.

Detailed Description

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:

the shell-and-tube finned heat exchanger for air cooling shown in fig. 1 to 2 comprises a heat exchanger shell 1, wherein an air inlet 2 and an air outlet 21 are respectively arranged at two sides of the heat exchanger shell 1, a condensing assembly 3 capable of guiding condensate is arranged in the heat exchanger shell 1, a flow guide structure 4 capable of guiding airflow to flow is arranged in the heat exchanger shell 1, when the shell-and-tube finned heat exchanger works, the heat exchanger shell is tubular, the air inlet and the air outlet on the heat exchanger shell are connected with equipment cooled by heat exchange, the equipment transmits hot air from the air inlet to the inside of the heat exchanger shell and then sends the hot air out from the air outlet, the air is guided by the flow guide structure during the process, the moving distance of the air is increased, and then the air is cooled and heat exchanged by the condensing assembly arranged in the heat exchanger shell, so that the temperature of the air sent out from the air outlet is reduced.

In the utility model, the condensing component 3 comprises a sealing plate 31 arranged on the front and back end faces of a heat exchanger shell 1, a condensate inlet 32 is arranged on the upper side of the sealing plate 31 positioned at the front end, a condensate outlet 33 is arranged on the lower side of the sealing plate 31, tube plates 34 are fixed on the front and back sides in the heat exchanger shell 1, a plurality of heat exchange tubes 35 are fixed between the tube plates 34 on the two sides, the plurality of heat exchange tubes 35 are connected through an elbow 36 to form a heat exchange loop, and the two ends of the heat exchange loop are respectively connected with the condensate inlet 32 and the condensate outlet 33, when in work, the sealing plate seals the two ends of the heat exchanger shell, the upper part of the sealing plate is provided with the condensate inlet, the lower part is provided with the condensate outlet, the condensate inlet and the condensate outlet can be tubular or can be directly connected with a water pipe, the condensate can be ice water or other liquid with low temperature, and the liquid entering from the condensate inlet flows into the heat exchange tubes subsequently, the heat exchange tubes arranged in the upper rows and the lower rows are communicated with each other through the plurality of elbows to form a heat loop, condensate can flow along the plurality of heat exchange tubes until the condensate flows to the heat exchange tube positioned at the lowest side position, the end part of the heat exchange tube at the lowest side is connected with the condensate outlet, so that liquid flows out from the condensate outlet after flowing in the heat loop, the concrete flow is that cold water enters from the condensate inlet, flows out from the condensate outlet through the heat exchange tubes, and because the heat exchange tubes are arranged inside the heat exchanger shell, when air flows, the air is cooled by the condensate in the heat exchange tubes.

The utility model discloses in condensation subassembly 3 is still including the aluminium fin 37 of expanded joint setting on heat exchange tube 35, and the aluminium fin is used for strengthening the heat transfer effect, and the aluminium fin is hugged closely on the heat exchange tube, and the temperature conductivity of aluminium is strong, the reinforcing heat transfer effect of being convenient for.

The utility model discloses in drainage structure 4 is including setting up a plurality of baffling boards 41 and a plurality of baffling boards two 42 that set up respectively at the inside lower wall of heat exchanger shell 1 at the inside upper wall of heat exchanger shell 1 respectively, baffling board 41 sets up around baffling board two 42 in turn and makes the air current be the S-shaped and flows, and the baffling board makes the air current be the S-shaped and flows, has increased the activity distance of air, makes air cooling 'S effect more thoroughly more even, and need not increase the row number of heat exchange tube yet to increase heat exchanger shell' S whole volume, has rationally utilized the inside space of heat exchanger shell, has saved industrial cost.

The utility model discloses in the heat exchange tube 35 alternates and sets up on baffling board one 41 and baffling board two 42, and the heat exchange tube alternates and sets up and make on baffling board one and baffling board two under the condition that does not increase the whole volume of condenser, just can increase the distance that the air flows through increasing the baffling board.

The utility model discloses in 1 inside being located between the both sides shrouding 31 of heat exchanger shell is fixed with pull rod 5, be equipped with the screw thread on the pull rod 5 go up threaded connection and have a plurality of can be with baffling board 41 and baffling board two 42 fixed nut 51, the pull rod alternates a plurality of baffling board one and baffling board two, through increase the nut respectively in each baffling board one and baffling board two front and back both sides to through the nut of screwing up both sides, the nut of baffling board both sides is pressed close to each other until spacing, and the mode of connecting through screw thread and nut on the pull rod makes the position locking of baffling board.

The utility model discloses in the heat exchange tube 35 is copper tubing, and copper tubing's temperature conductivity is better, and industrial cost is not high.

The utility model discloses in 1 bottom of heat exchanger shell is equipped with outlet 6, and the air will produce vapor at the in-process of cooling to condense into the drop of water, the outlet is used for discharging the drop of water.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a shell and tube finned heat exchanger that air cooling used, includes heat exchanger shell (1), its characterized in that: the heat exchanger is characterized in that an air inlet (2) and an air outlet (21) are respectively arranged on two sides of the heat exchanger shell (1), a condensation assembly (3) capable of leading condensate into the heat exchanger shell (1) is arranged in the heat exchanger shell (1), and a drainage structure (4) capable of guiding airflow to flow is arranged in the heat exchanger shell (1).

2. The shell-and-tube finned heat exchanger for air cooling according to claim 1, characterized in that the condensing assembly (3) comprises closing plates (31) disposed on the front and rear end faces of the heat exchanger shell (1), a condensate inlet (32) is disposed on the upper side of the closing plate (31) disposed at the front end, a condensate outlet (33) is disposed on the lower side of the closing plate (31), tube plates (34) are fixed on the front and rear sides inside the heat exchanger shell (1), a plurality of heat exchange tubes (35) are fixed between the tube plates (34) at the two sides, the plurality of heat exchange tubes (35) are connected by means of elbows (36) to form a heat exchange loop, and the two ends of the heat exchange loop are respectively connected with the condensate inlet (32) and the condensate outlet (33).

3. The shell and tube fin heat exchanger for air cooling as recited in claim 2, wherein the condensing module (3) further comprises aluminum fins (37) expanded on the heat exchange tubes (35).

4. The shell and tube finned heat exchanger for air cooling according to claim 3, characterized in that the flow guiding structure (4) comprises a plurality of first baffle plates (41) respectively arranged on the inner upper wall of the heat exchanger shell (1) and a plurality of second baffle plates (42) respectively arranged on the inner lower wall of the heat exchanger shell (1), and the first baffle plates (41) and the second baffle plates (42) are alternately arranged in front and at the back to make the airflow flow in an S shape.

5. The shell and tube fin heat exchanger for air cooling as recited in claim 4 wherein the heat exchange tubes (35) are interspersed with the first baffle plate (41) and the second baffle plate (42).

6. The shell-and-tube finned heat exchanger for air cooling according to claim 5, characterized in that a pull rod (5) is fixed inside the heat exchanger shell (1) and between the two side closing plates (31), the pull rod (5) is provided with threads, and the pull rod (5) is in threaded connection with a plurality of nuts (51) capable of fixing the first baffle plate (41) and the second baffle plate (42).

7. The shell and tube fin heat exchanger for air cooling as recited in claim 6, wherein the heat exchange tube (35) is a copper tube.

8. The shell-and-tube finned heat exchanger for air cooling according to claim 1, characterized in that a drain opening (6) is provided at the bottom of the heat exchanger shell (1).