CN215724215U

CN215724215U - Solar heating steam-water heat exchange unit

Info

Publication number: CN215724215U
Application number: CN202122219659.4U
Authority: CN
Inventors: 赵东; 周洋; 高子原; 张海月
Original assignee: Heilongjiang Hejin Heating Technology Co ltd
Current assignee: Heilongjiang Hejin Heating Technology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-01
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to the technical field of solar heating, and particularly discloses a solar heating steam-water heat exchanger unit, which comprises a rack and a plurality of heat collecting pipes arranged on the rack, and is characterized in that: the solar water heater is characterized in that the heat collecting tubes are hollow, the top of the rack is also provided with a heat exchange box, a heat exchange cavity communicated with the interior of the heat collecting tubes is arranged in the heat exchange box, a heat exchange pipeline capable of containing water flow and carrying out heat interaction with the heat exchange cavity is arranged in the heat exchange box, one end of the heat exchange pipeline stretches out of the heat exchange box and is communicated with a water tank, the other end of the heat exchange pipeline stretches out of the heat exchange box and is communicated with a water outlet pipe, and the problem that the heat collecting tubes burst due to expansion and contraction is very easy to cause when water is replenished by a traditional solar water heater is solved.

Description

Solar heating steam-water heat exchange unit

Technical Field

The application relates to the technical field of solar heating, and particularly discloses a solar heating steam-water heat exchanger unit.

Background

The traditional solar water heater generally comprises a water tank and a heat collecting pipe, cold water in the water tank exchanges heat through the heat collecting pipe, so that the cold water is heated, but in the actual use process, the solar water heater in the mode has the following problems:

1. under the condition of relatively sufficient sunlight irradiation, if the interior of the water heater is lack of water, automatic water replenishing is carried out, and the heat collecting tube is easy to burst due to expansion caused by heat and contraction caused by cold.

2. The excessive water capacity in the water tank has high requirement on the quality of a house and has certain potential safety hazard.

3. The design of water flowing inside the heat collecting pipe can cause heat waste and even frozen explosion at night in northern areas of China, and can cause maintenance problems such as higher failure and the like.

Therefore, the inventor provides a solar heating steam-water heat exchanger unit so as to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that a heat collecting pipe is easy to crack due to expansion caused by heat and contraction caused by cold when a traditional solar water heater is used for replenishing water.

In order to achieve the purpose, the basic scheme of the utility model provides a solar heating steam-water heat exchange unit which comprises a rack and a plurality of heat collecting pipes arranged on the rack, wherein the heat collecting pipes are hollow, a heat exchange box is further arranged at the top of the rack, a heat exchange cavity communicated with the interiors of the heat collecting pipes is arranged in the heat exchange box, a heat exchange pipeline capable of allowing water flow to pass through and performing heat interaction with the heat exchange cavity is arranged in the heat exchange box, one end of the heat exchange pipeline extends out of the heat exchange box and is communicated with a water tank, and the other end of the heat exchange pipeline extends out of the heat exchange box and is communicated with a water outlet pipe.

The principle and effect of this basic scheme lie in:

1. the utility model carries out air-water heat exchange through the heat exchange cavity, and avoids the cracking of the heat collecting pipe caused by thermal expansion and cold contraction.

2. According to the utility model, the water flow is conveyed through the heat exchange pipeline, so that the water tank is not directly stored on the rack, the weight of the whole rack is reduced, and the potential safety hazard is reduced.

3. The heat collecting pipe is hollow, and has no corresponding water passage, so that the problem that the water passage is frozen at night is avoided, and the failure rate and the subsequent maintenance cost are reduced.

Further, the heat exchange pipeline is a stainless steel pipe which is horizontally and spirally arranged in the heat exchange box. The spirally arranged stainless steel pipe has good heat transfer performance and large heat transfer area.

Further, the heat exchange box lateral wall is equipped with the heat preservation and fills up. The heat loss of the heat exchange box can be reduced by the heat preservation cushion.

Further, the lateral wall of the heat exchange box is provided with a cleaning opening, and the bottom of the heat exchange box is provided with a drain outlet. The cleaning port and the sewage draining port are respectively used for cleaning and draining the inside of the heat exchange box.

Furthermore, an exhaust port is arranged at the top of the heat exchange box. The exhaust port is used for exhausting the heat exchange box, so that subsequent maintenance is facilitated.

Further, an outer end enclosure is arranged at the joint of the heat exchange pipeline and the heat exchange box. The outer sealing head can improve the sealing performance of the joint of the heat exchange pipeline and the heat exchange box.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a side view illustrating a solar heating steam-water heat exchanger unit according to an embodiment of the present application;

fig. 2 is a schematic diagram illustrating a heat exchange pipeline of a solar heating steam-water heat exchanger unit according to an embodiment of the present application;

fig. 3 shows a front view of a heat exchange box of a solar heating steam-water heat exchanger unit according to an embodiment of the present application.

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: the device comprises a frame 1, a heat collecting pipe 2, a communicating pipe 3, a heat exchange box 4, a heat exchange pipeline 5, a water inlet 6, a water outlet 7, a cleaning port 8, an exhaust port 9 and a sewage draining outlet 10.

The embodiment of a solar heating steam-water heat exchanger unit is shown in figure 1: including frame 1 and a plurality of thermal-collecting tubes 2 of locating on frame 1, the inside cavity of thermal-collecting tube 2, frame 1 top still is equipped with heat transfer case 4, is equipped with in the heat transfer case 4 with the heat transfer chamber of the inside intercommunication of thermal-collecting tube 2, and is concrete, be equipped with communicating pipe 3 with the two intercommunication between heat transfer chamber and the thermal-collecting tube 2, be equipped with in the heat transfer case 4 and hold rivers and pass through and carry out heat interactive heat transfer pipeline 5 with the heat transfer chamber.

4 lateral walls of heat transfer case are equipped with the heat preservation pad that is equipped with that covers heat transfer case 4 completely, heat transfer pipeline 5 is the nonrust steel pipe of horizontal spiral setting in

heat transfer case

4, 4 both ends of heat transfer case are equipped with water inlet 6 and delivery port 7 respectively, 5 one end of heat transfer pipeline stretches out water inlet 6 intercommunication and has the water tank, 5 other ends of heat transfer pipeline stretch out delivery port 7 intercommunication and have the outlet pipe, 4 tops of heat transfer case are equipped with

gas vent

9, 4 left side lateral walls of heat transfer case are equipped with

washing mouth

8, 4 bottoms of heat transfer case are equipped with drain 10, water inlet 6, delivery port 7, 8 departments of washing mouth all are equipped with the outer cover, the leakproofness is improved, gas vent 9 and drain 10 departments are equipped with the sealing plug.

In the implementation process of the utility model, water is not added into the solar heat collecting pipe 2 under the condition of sufficient sunlight, the temperature of gas in the pipe can reach 240 plus 300 ℃, hot air can upwards enter the heat exchange box 4 through the communicating pipe 3 while heat is generated, the temperature of the gas in the heat exchange cavity is basically consistent with that of the heat collecting pipe 2, cold water is injected into the water inlet 6, the water circulates in the spiral heat exchange pipe 5, and simultaneously, the water and the high-temperature air in the heat exchange box 4 form steam-water heat exchange, so that the aim of heating the cold water is fulfilled; when not needing to use, water persists in heat transfer pipeline 5 to directly not carry out the heat exchange with the air, replaced traditional water pipe and carried out the heat exchange in thermal-collecting tube 2, when having avoided calorific loss, still avoided night temperature low excessively to lead to the water pipe to be frozen out.

Compared with the prior art, the utility model carries out air-water heat exchange through the heat exchange cavity, avoids the burst of the heat collecting tube 2 caused by expansion with heat and contraction with cold, and solves the problem that the heat collecting tube 2 is easy to burst caused by expansion with heat and contraction with cold when the traditional solar water heater carries out water replenishing; the water flow is conveyed through the heat exchange pipeline 5, so that the water tank is not directly stored on the rack 1, the weight of the whole rack 1 is reduced, and potential safety hazards are reduced; the heat collecting pipes 2 are hollow, and have no corresponding water passing pipes, so that the problem that the water passing pipes are frozen at night is avoided, and the failure rate and the subsequent maintenance cost are reduced.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a solar heating soda heat exchanger group, includes the frame and locates a plurality of thermal-collecting tubes in the frame, its characterized in that: the solar collector tube is hollow inside, the top of the rack is also provided with a heat exchange box, a heat exchange cavity communicated with the inside of the collector tube is arranged in the heat exchange box, a heat exchange pipeline capable of allowing water flow to pass through and performing heat interaction with the heat exchange cavity is arranged in the heat exchange box, one end of the heat exchange pipeline extends out of the heat exchange box and is communicated with a water tank, and the other end of the heat exchange pipeline extends out of the heat exchange box and is communicated with a water outlet pipe.

2. The solar heating steam-water heat exchanger unit according to claim 1, wherein the heat exchange pipeline is a stainless steel pipe which is horizontally and spirally arranged in the heat exchange box.

3. The solar heating steam-water heat exchanger unit according to claim 1 or 2, wherein the side wall of the heat exchange box is provided with a heat insulation pad.

4. The solar heating steam-water heat exchanger unit according to claim 3, wherein a cleaning port is formed in the side wall of the heat exchange box, and a sewage draining port is formed in the bottom of the heat exchange box.

5. The solar heating steam-water heat exchanger unit according to claim 1, 2 or 4, wherein an air outlet is formed in the top of the heat exchange box.

6. The solar heating steam-water heat exchanger unit according to claim 5, wherein an outer end socket is arranged at the joint of the heat exchange pipeline and the heat exchange box.