CN210004357U

CN210004357U - heat pipe heated steam generator for solar energy system

Info

Publication number: CN210004357U
Application number: CN201920445484.9U
Authority: CN
Inventors: 叶仁富; 姜方军
Original assignee: Zhejiang Proview Electric Applicance Co Ltd
Current assignee: Zhejiang Proview Electric Applicance Co Ltd
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-01-31
Anticipated expiration: 2029-04-03

Abstract

The utility model discloses a heat pipe heated formula steam generator for solar energy system, including the oil drum that is used for holding the conduction oil, set up the heat exchange tube of being heated in the oil drum, be equipped with hot oil import and cold oil export on the oil drum, the heat exchange tube of being heated is connected with water inlet and steam outlet, the heat exchange tube of being heated is used for heating into steam and discharging from steam outlet from the water in it gets into from water inlet, this steam generator adopts the water in the conduction oil heating heat exchange tube of being heated, make water heating become steam, the conduction oil itself can not produce the high pressure, the stability can be high, avoided the staving to bear high temperature high pressure, the requirement to the staving material has been reduced, the material of optional low pressure resistance, also reduced the potential safety hazard when advancing step cost-saving, can also play the fast hot effect, reduce the energy consumption, the inconvenient maintenance of the heat exchange tube damage of being heated has been solved.

Description

heat pipe heated steam generator for solar energy system

Technical Field

The utility model relates to a firing equipment technical field especially relates to kinds of heat pipe heated steam generator who is used for solar energy system.

Background

At present, a steam generator is an important component in a solar system, provides power, serves as core heat exchange equipment in the field of solar power generation, is mainly applied to the fields of chemical engineering, printing and dyeing, spinning, food processing, building materials and the like, is also necessary equipment for heating required steam, and is composed of a barrel body and a heat exchange pipe arranged in the barrel body in a mode.

Current steam generator is heat exchange tube heating formula, arrange water in the staving usually, the conduction oil lets in the heat exchange tube, make water heat into steam under the effect of conduction oil, the staving need bear the high pressure this moment, it is stricter to select of staving material to require, anti high pressure material is cast the staving usually, need the very thick bucket body wall of casting thickness to bear the high pressure of steam, this not only can increase the cost of equipment production, also increase the degree of difficulty to equipment gap welded simultaneously, there is definite potential safety hazard.

When water is heated in the barrel, the area of the heat exchange tube is too small compared with that of the water, the heat exchange tube needs a long time to preheat the water, the effect of quick heating cannot be achieved, the water is required to be quickly heated into steam in a short time, and more energy is necessarily wasted.

The heat exchange tube all establishes in the barrel like this, when the heat exchange tube damaged, then need dismantle whole equipment and maintain, and the maintenance degree of difficulty promotes by a wide margin, can't realize the work of single heat exchange tube replacement maintenance more, the cost of greatly increased equipment later maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model provides an kind of heat pipe heated steam generator for solar energy system has solved current steam generator's staving and need bear the high pressure, do not have fast hot effect and the big problem of equipment later stage maintenance cost.

The technical problem is solved by the following technical scheme:

Heat pipe heated steam generator for solar energy system comprises a barrel for holding heat conducting oil, a heated heat exchange pipe arranged in the barrel, a hot oil inlet and a cold oil outlet arranged on the barrel, the heated heat exchange pipe is connected with a water inlet and a steam outlet, the heated heat exchange pipe is used for heating water entering the heated heat exchange pipe from the water inlet into steam and discharging the steam from the steam outlet.

As preferred, the tip design of staving has inlayer wall body and outer end cover, the inlayer wall body of staving tip encloses with the lateral wall of staving and closes formation inclosed conduction oil and holds the space, the clearance has between the inlayer wall body of staving tip and the outer end cover, the heat exchange tube both ends of being heated wear to establish respectively on the inlayer wall body at staving both ends, a connecting piece for the heat exchange tube that is heated in the intercommunication sets up between inlayer wall body and the end cover of going out, outer end cover can dismantle the connection.

According to the technical scheme, the U-shaped pipe joint which is detachably connected solves the problems that the heated heat exchange pipe is damaged and inconvenient to maintain and is not easy to detach and replace, the maintenance difficulty is reduced, is further used for adjusting the pressure in the heated heat exchange pipe to play a role in stabilizing the pressure, and the U-shaped pipe joint which is detachably connected plays a role in fixing the heated heat exchange pipe to avoid the phenomenon that the heated heat exchange pipe shakes greatly due to the fact that water is heated into steam.

According to the technical scheme, the heat preservation layer is steps to achieve the heat preservation function of the barrel body, so that heat loss is avoided, the temperature of heat conducting oil is kept, and energy consumption is saved.

Preferably, the barrel body is provided with a temperature sensor for measuring the temperature of the cold oil and arranged at the cold oil outlet port. Among the above-mentioned technical scheme, in equipment work operation, the conduction oil carries out the heat exchange, can reduce the temperature of conduction oil, and temperature sensor can accurately know the temperature of cold oil outlet end, and whether measured temperature satisfies the required temperature that the heating water becomes steam, can in time supply the conduction oil, improves the operating efficiency.

Preferably, buffer tanks are arranged at the top of the barrel body and are communicated with the barrel body, an air outlet and an oil filling port are arranged at the top of each buffer tank, a magnetic turning plate liquid level meter for detecting the liquid level of heat conduction oil in each buffer tank is further arranged on the side wall of each buffer tank.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. adopt the conduction oil heating to be heated the water in the heat exchange tube, make water heating steam, conduction oil itself can not produce high pressure, and stability can be high, avoids the staving to bear high pressure, reduces the requirement to the staving material, can select the material of low pressure resistance, has also reduced the potential safety hazard when advancing steps practiced thrift the cost.

2. Water is introduced into the heated heat exchange tube and is heated into steam by the heat transfer oil, so that the effect of quick heating is achieved.

3. The U-shaped pipe joint with detachable connection solves the problems that the heat exchange pipe is damaged and inconvenient to maintain and is not easy to detach and replace, and saves the maintenance cost.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a heat pipe heated steam generator for a solar energy system.

Fig. 2 is a schematic view of the heated heat exchange tubes of the present invention arranged in a left-right manner in the barrel body.

Fig. 3 is a schematic structural diagram of a second embodiment of the heat pipe heated steam generator for a solar system according to the present invention.

Fig. 4 is a schematic structural diagram of a conical tube in a second embodiment of the heat pipe heated steam generator for a solar system according to the present invention.

In the figure: 1. the heat exchange device comprises a barrel body, 2 heated heat exchange pipes, 3 hot oil inlets, 4 cold oil outlets, 5 water inlets, 6 steam outlets, 7 inner-layer wall bodies, 8 outer-layer end covers, 9U-shaped pipe joints, 10 heat insulation layers, 11 temperature sensors, 12 buffer tanks, 13 exhaust ports, 14 oil filling ports, 15 magnetic turning plate liquid level meters, 16 vertical pipes, 17 conical pipes.

Detailed Description

The present invention will be described in reference to the accompanying drawings and embodiments at step , wherein the positional relationship described herein is consistent with the positional relationship of the drawings, which is for convenience of description and is not intended to limit the structure of the present invention.

Embodiment , as shown in fig. 1, heat conducting oil is introduced into a barrel 1 from a hot oil inlet 3 arranged at the upper right end of the barrel 1, water is introduced into a heated heat exchange tube 2 from a water inlet 5 arranged at the lower right end of the barrel 1, water is heated into steam under the action of the heat conducting oil, steam can be discharged from a steam outlet 6 arranged at the upper left end of the barrel 1 along the heated heat exchange tube 2, cold oil flows out from a cold oil outlet 4 arranged at the bottom end of the barrel 1, the cold oil outlet 4 is further provided with a temperature sensor 11, the end of the barrel 1 is designed with an inner wall 7 and a detachable outer end cover 8, two ends of the heated heat exchange tube 2 are respectively penetrated on the inner wall 7 at two ends of the barrel, a detachable U-shaped pipe joint 9 for communicating the heated heat exchange tube 2 is further arranged between the inner wall 7 and the outer end cover 8, the outer side wall of the barrel 1 is provided with a heat insulating layer 10, the top of the barrel 1 is provided with buffer tanks 12, the buffer tanks 12 are communicated with the barrel 1, the tops of the.

, when the heated heat exchange tubes 2 are arranged in the barrel body 1 in a left-right mode, water is introduced into the water inlet 5 and is heated and evaporated into steam, the steam flows upwards, part of the steam can be gathered at the top of the heated heat exchange tubes 2, the steam can not be smoothly discharged along the heated heat exchange tubes 2 because the steam flows from bottom to top, part of the steam is not discharged, and the water is introduced again, so that a large amount of moisture is contained in the steam, when parts of the steam are arranged in a left-right mode, the heated heat exchange tubes 2 can not be fixed, when the water is heated into the steam, the heated heat exchange tubes 2 can generate huge vibration, when the water is heated into the steam, the water is introduced into the heated heat exchange tubes 2 and is heated and evaporated into the steam by adopting the arrangement mode of the heated heat exchange tubes 2 in the barrel body 1 shown in the figure 1, the water is introduced into the water inlet 5 and is heated and evaporated into the steam, the steam flows from bottom to top, when part of the steam is discharged first, the water is input into the heated heat exchange tubes 2, step of pushing the steam.

, the barrel body 1 should be provided with more than hot oil inlets 3, and the most preferable ones are hot oil inlets 3 arranged at the water inlet 5, so that the just introduced water is directly heated into steam, and the problem that water enters the heated heat exchange tubes 2 and cannot be heated into steam due to too low temperature, so that a large amount of water exists in the heated heat exchange tubes 2 and the steam is prevented from being smoothly discharged, and certainly, the hot oil inlets 3 can also be sequentially and uniformly arranged on the barrel body 1, and the water in the heated heat exchange tubes 2 can be uniformly and fully heated.

The second embodiment differs from the in that:

as shown in fig. 3, the heat exchange tubes 2 are arranged horizontally, uppermost heat exchange tubes 2 are communicated with the steam outlet 6, a vertical tube 16 is arranged between each heat exchange tubes 2 and uppermost heat exchange tubes 2, steam can be directly collected in uppermost heat exchange tubes 2 without following the heat exchange tubes 2, the steam can be discharged from the steam outlet 6 more smoothly, and moisture content of the discharged steam is further reduced .

The standpipe 16 may be in the form of a tapered pipe 17 at step , as shown in fig. 4, the outlet at the tip of the tapered pipe 17 is relatively small, and a large amount of steam collects in the tapered pipe 17, creating a strong pressure that forces the steam to flow upward, and the steam is smoothly discharged from the steam outlet 6 at step .

The present invention is not limited to the above-described embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by a person skilled in the art.

Claims

1, heat pipe heated steam generators for solar systems are characterized by comprising a barrel body for containing heat conduction oil and heated heat exchange pipes arranged in the barrel body, wherein the barrel body is provided with a hot oil inlet and a cold oil outlet, the heated heat exchange pipes are connected with a water inlet and a steam outlet, and the heated heat exchange pipes are used for heating water entering the heated heat exchange pipes from the water inlet into steam and discharging the steam from the steam outlet.

2. A heat pipe heated steam generator for a solar energy system as recited in claim 1 wherein: the tip design of staving has inlayer wall body and outer end cover, and the inlayer wall body of staving tip encloses with the lateral wall of staving and closes the inclosed conduction oil of formation and holds the space, has the clearance between the inlayer wall body of staving tip and the outer end cover, and the heat exchange tube both ends of being heated wear to establish respectively on the inlayer wall body at staving both ends for the connecting piece that the intercommunication heat exchange tube that is heated sets up between inlayer wall body and the end cover of going out, and the connection can be dismantled to.

3. A heat pipe heated steam generator for a solar energy system as recited in claim 2 wherein: the connecting piece used for communicating the heated heat exchange tube is a U-shaped pipe joint which is detachably connected.

4. A heat pipe heated steam generator for a solar energy system as recited in claim 1 wherein: the outer side wall of the barrel body is provided with a heat preservation layer.

5. A heat pipe heated steam generator for a solar energy system as recited in claim 1 wherein: the barrel body is provided with a temperature sensor which is used for measuring the temperature of cold oil and is arranged at the outlet port of the cold oil.

6. The heat pipe heated steam generator for the solar system as claimed in claim 1, wherein buffer tanks are disposed on the top of the barrel body, the buffer tanks are connected to the barrel body, the top of the buffer tanks is provided with an air outlet and an oil inlet, and the side walls of the buffer tanks are further provided with a magnetic flap level gauge for detecting the level of the heat transfer oil in the buffer tanks.