CN211552535U

CN211552535U - Heating and ventilating heat exchange device

Info

Publication number: CN211552535U
Application number: CN201921636567.2U
Authority: CN
Inventors: 胡强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-09-22
Anticipated expiration: 2029-09-26

Abstract

The utility model relates to a warm heat exchange device that leads to introduces the heat exchanger fin of radial distribution to combine the spiral coil pipe to increase the heat exchange area, make the heat exchanger fin thermally equivalent of radial distribution because the coil pipe is the spiral. The low-temperature medium entering the tank through the low-temperature water inlet valve is heated, expanded and ascended nearby the bottom-layer coil pipe and continuously ascended under the action of continuous heating and partition guiding of the heat exchange plates, so that effective convection is generated to guide low-temperature liquid far away from the coil pipe to the place nearby the coil pipe, the single-layer structure of the coil pipe is a disc formed by spirally winding a single coil pipe, and the distance between each spiral structure is larger than the diameter of one coil pipe, and the design is favorable for the generation of convection and finally improves the heat exchange efficiency.

Description

Heating and ventilating heat exchange device

Technical Field

The utility model relates to a heat exchange technology field, concretely relates to heating and ventilating heat exchange device.

Background

At present, the application of the heat exchange device in heating and ventilation projects of industrial and civil buildings, especially in heating is wider. In heating in the heating and ventilation field, a shell-and-tube heat exchanger is generally used, in which steam or high-temperature water is used as a heat medium to flow through a heat exchange coil, and the heat exchange is achieved by heating the medium in a shell through heat conduction by using the outer surface of the heat exchange coil.

Patent publication No. CN 2195082Y discloses a heat exchanger, utilizes steam standpipe and condensation standpipe to connect a plurality of steam coil pipe in parallel into the tower form, thereby increases heat conduction area and realizes the purpose that improves heat exchange efficiency. According to the technical scheme, the structure that the plurality of layers of steam coil pipes are connected in parallel is adopted, so that the condition that the heat exchange efficiency in each parallel branch coil pipe is inconsistent is realized, and the dense coil pipe structure does not reserve a corresponding space for convection and cannot realize effective convection, so that the heat exchange efficiency of the whole heat exchange device is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a warm heat exchange device that leads to adopts and reduces coil pipe quantity, increases the coil pipe diameter, and the structural feature that introduces the fin simultaneously changes traditional parallel coil group's design into the series structure for the high temperature medium needs the even heating coil of successive layer and the low temperature medium around the fin according to the design, utilizes the specific structure of coil pipe and fin to produce effectual convection current, thereby reachs the purpose that improves warm heat exchange device replacement thermal efficiency that leads to.

The utility model provides a warm heat exchange device that leads to, including a jar body, fin, coil pipe, high temperature outlet valve, high temperature water intaking valve, low temperature outlet valve, low temperature water intaking valve, jar body passes through two kinds of media of high temperature low temperature that high temperature outlet valve, high temperature water intaking valve, low temperature outlet valve, low temperature water intaking valve are connected to the shell for warm heat exchange device that leads to, the coil pipe is the multilayer series connection discoid structure and the vertical direction of every discoid structure of setting in jar body at a distance of being greater than the distance of a fin height, the discoid structure of fin and coil pipe closely combined and perpendicular to coil pipe.

The low-temperature medium is directly communicated with the tank body through a low-temperature water outlet valve and a low-temperature water inlet valve.

The high-temperature medium is directly communicated with the coil pipe in the tank body through the high-temperature water outlet valve and the high-temperature water inlet valve.

The single-layer structure in the multilayer serial disc-shaped structure of the coil pipe is a disc formed by spirally winding a single coil pipe, and the distance between each spiral structure is larger than the diameter of one coil pipe.

The heat exchange fins are of a plurality of sheet structures distributed in a radial mode and are connected with a plurality of coil pipes of spiral structures along the radius direction of the disc-shaped structures.

The utility model has the advantages as follows: conventional heat exchangers employ increased coil density and number to increase heat exchanger heat exchange area. The utility model discloses introduce the heat exchanger fin of radial distribution and combine the spiral coil pipe to increase heat exchange area, because the coil pipe is the spiral and makes the heat exchanger fin thermally equivalent of radial distribution. The low-temperature medium entering the tank through the low-temperature water inlet valve is heated, expanded and ascended nearby the bottom-layer coil pipe and continuously ascended under the action of continuous heating and partition guiding of the heat exchange plates, so that effective convection is generated to guide low-temperature liquid far away from the coil pipe to the place nearby the coil pipe, the single-layer structure of the coil pipe is a disc formed by spirally winding a single coil pipe, and the distance between each spiral structure is larger than the diameter of one coil pipe, and the design is favorable for the generation of convection and finally improves the heat exchange efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be further described with reference to the accompanying drawings and embodiments. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained without inventive effort, and are within the scope of the invention.

Fig. 1 is a schematic structural diagram of a heating and ventilating heat exchange device of the present invention.

Fig. 2 is a schematic structural diagram of a single-layer coil and a heat exchange fin in the heating and ventilating heat exchange device of the present invention.

Fig. 3 is a schematic cross-sectional structure view of a single-layer coil and a heat exchange fin in the heating and ventilating heat exchange device of the present invention.

The meaning of the reference symbols in the figures: 1-tank body, 2-heat exchange plate, 3-coil pipe, 4-high temperature water outlet valve, 5-high temperature water inlet valve, 6-low temperature water outlet valve and 7-low temperature water inlet valve.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model relates to a warm heat exchange device that leads to is shown in figure 1, including jar body (1), heat exchanger fin (2), coil pipe (3), high temperature outlet valve (4), high temperature water intaking valve (5), low temperature outlet valve (6), low temperature water intaking valve (7), low temperature outlet valve (6) set up on the top of jar body (1), and low temperature inlet valve (7) set up the bottom at jar body (1). The low-temperature medium flows into the tank body (1) from a low-temperature water inlet valve (7) positioned at the bottom end of the tank body (1), is heated by a two-layer structure consisting of the heat exchange fins (2) and the coil pipe (3), and then flows out of the heat exchange device through a low-temperature water outlet valve (6) positioned at the top end of the tank body (1). The high-temperature medium is connected with a coil (3) positioned in the tank body (1) and a heat exchange sheet (2) positioned above the coil (3) under the action of heat conduction from a pipeline of a high-temperature water inlet valve (5) positioned at the higher position of the tank body (1) through a shell of the tank body (1). As shown in fig. 2 and 3, a port at the center of a disc formed by spirally winding a single coil (3) in the structure of the single-layer coil (3) and the heat exchanger plate (2) may be used to connect other single-layer coil (3) structures or valve structures, and another port located at the periphery of the disc (3) may also be used to connect other single-layer coil (3) structures or valve structures. In this embodiment, as shown in fig. 1, after passing through the structure of the single-layer coil (3) and the heat exchanger plate (2) located at the upper part of the tank body (1), the high-temperature medium is connected to the structure of the second single-layer coil (3) and the heat exchanger plate (2) located at the lower part of the tank body (1) at the port located at the center of the spirally wound disc, and then connected to the high-temperature water outlet valve (4) located at the lower part of the tank body (1) at the port located at the periphery of the second single-layer disc (3) to flow out of the. The single-layer coil (3) structure as shown in fig. 3 is beneficial to the low-temperature medium to generate convection from the lower part to the upper part in the thermal convection because each spiral structure of the coil (3) is far away from the adjacent spiral structure to provide larger gaps. As shown in fig. 2, the heat exchanging fins (2) are arranged above each layer of the coil pipes (3), and a certain distance is reserved between each heat exchanging fin (2) and the adjacent heat exchanging fin (2), so that the design is favorable for uniformly heating the heat exchanging fins (2) by connecting the heat exchanging fins (2) along the spiral structure of each coil pipe (3) when a high-temperature medium flows through the coil pipes (3), and effective convection is generated under the guide of the heat exchanging fins (2). The design that the coil (3) directly connected with the high-temperature water inlet valve (5) is arranged near the low-temperature water outlet valve (6) and the coil (3) directly connected with the high-temperature water outlet valve (4) is arranged near the low-temperature water inlet valve (7) as shown in figure 1 helps to heat the low-temperature medium in a stepped manner so that the low-temperature medium forms integral convection in the tank body (1) and the thermal efficiency is maximized when the low-temperature medium flows out of the low-temperature water outlet valve (6).

Claims

1. The utility model provides a warm heat exchange device that leads to, includes a jar body, heat exchanger fin, coil pipe, high temperature outlet valve, high temperature water intaking valve, low temperature outlet valve, low temperature water intaking valve, the shell that the jar body leads to heat exchange device, through high temperature outlet valve, high temperature water intaking valve, low temperature outlet valve, the external high temperature medium of low temperature water intaking valve connection and low temperature medium, low temperature medium is through low temperature outlet valve, low temperature water intaking valve and jar body direct intercommunication, high temperature medium is through high temperature outlet valve, high temperature water intaking valve and the internal coil pipe direct intercommunication of jar, the coil pipe is for setting up the multilayer series connection discoid structure in the jar body and the vertical direction of every discoid structure apart from the distance that is greater than a heat exchanger fin height, the discoid structure of heat exchanger fin and coil pipe.

2. The heating and ventilation heat exchange device of claim 1, wherein the single layer structure of the multiple series of disc-like structures of the coil is a disc formed by spirally winding a single coil, and the spiral structures are spaced apart by a distance greater than one coil diameter.