CN214665287U - Double-shaft groove type solar heat collector and steam hot water system - Google Patents

Abstract

The utility model discloses a biax slot type solar collector and steam hot-water system, it belongs to solar collector technical field, it is equipped with reflector, thermal-collecting tube, drive arrangement and support piece, support piece includes pillar and sets up the support beam assembly in the pillar upper end, the reflector supports through the support beam assembly, the upper end of pillar is connected with the main shaft, the main shaft is equipped with vertical main shaft and horizontal main shaft, the horizontal main shaft sets up in the upper end of vertical main shaft, be provided with worm gear subassembly and gear motor between pillar and the vertical main shaft; the reflector rotates on the horizontal plane by taking the pillar as a center, and the reflector changes the elevation angle and the inclination angle by taking a bearing at the upper end of the transverse main shaft as a center; the periphery of vertical main shaft is provided with rotatory axle sleeve, and the side fixedly connected with push rod supporting seat of rotatory axle sleeve, the upper end of push rod supporting seat is connected with electric putter. The utility model discloses simple structure, solar energy high-usage, the running cost is low.

Description

Double-shaft groove type solar heat collector and steam hot water system

Technical Field

The utility model belongs to the technical field of solar collector, more specifically say, relate to a biax slot type solar collector and steam hot-water system.

Background

The trough type heat collector is a heat collecting device which utilizes a photo-thermal conversion mode, realizes the conversion from light energy to heat energy through processes of focusing, reflecting, absorbing and the like, and enables a heat exchange medium to reach a certain temperature so as to meet the requirements of different loads. The trough type heat collector belongs to the category of medium-high temperature heat collectors, can enable a heat exchange working medium to obtain higher temperature, and can be used in life and production fields of thermal power generation, seawater desalination treatment, heating engineering, absorption refrigeration and the like.

Due to the wide application prospect of solar energy, the solar energy is the main energy source of the trough collector. The solar trough collector has a dominant position in a solar energy utilization system, provides a heat source for the system, and influences the efficiency and the economical efficiency of the whole heat collection system due to the efficiency and the investment cost of the solar trough collector. The groove type solar heat collection device adopts a vacuum glass tube structure, namely, the inner tube adopts a metal tube plated with a high-absorptivity selective absorption layer, a heating medium is led in the tube, the glass tube is arranged outside the tube, and the space between the glass tube and the metal tube is vacuumized to inhibit convection and conduction heat loss.

However, the existing trough-type solar heat collector still has many problems, such as complex structure, high cost, low solar energy utilization rate and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses be exactly to the technical problem who exists among the prior art, provide a biax slot type solar collector and steam hot water system.

In order to solve the technical problem, the utility model provides a following technical scheme: a double-shaft groove type solar heat collector is provided with a reflector, a heat collecting pipe, a driving device and a supporting piece, wherein the supporting piece comprises a pillar and a support beam assembly arranged at the upper end of the pillar;

the reflector rotates on the horizontal plane by taking the pillar as a center, and the reflector changes the elevation angle and the inclination angle by taking a bearing at the upper end of the transverse main shaft as a center; the periphery of vertical main shaft is provided with rotatory axle sleeve, and the side fixedly connected with push rod supporting seat of rotatory axle sleeve, the upper end of push rod supporting seat is connected with electric putter, and electric putter is connected with the bottom of support beam assembly, still is connected with control system on the heat collector.

Preferably, the heat collector is integrally designed to be a vertical opening, the heat collecting tubes are arranged on the upper portion of the reflector and in the light collecting area of the reflector, and the reflector and the heat collecting tubes are both provided with two heat collecting tubes.

Preferably, the support beam assembly is provided with a support beam and a support beam support seat arranged at the bottom of the support beam, and the support column adopts a single-upright-column support structure.

Preferably, be equipped with the bearing axle sleeve in the rotatory axle sleeve, the upper end of bearing axle sleeve is locked through the nut, and the upper end of rotatory axle sleeve is connected with the pedestal bearing bracket, installs two sets of bearings on the pedestal bearing bracket, and the support beam fixed connection that the bearing set up with the upper end, electric putter's upper end is connected with the support beam supporting seat.

Preferably, the worm gear assembly is arranged on a fixed seat arranged at the top end of the support column, a speed reducing motor is further arranged on the fixed seat, the speed reducing motor drives the worm gear assembly to operate, the worm gear assembly is provided with a worm wheel and a worm, the rotating shaft sleeve is connected with the worm wheel arranged at the lower end of the rotating shaft sleeve, the worm wheel is connected with the worm arranged on the fixed seat in an assembling mode, and a protective cover is further arranged on the periphery of the worm gear assembly.

Preferably, the reflector rotates 360 degrees on a horizontal plane, and the variation range of the elevation angle and the inclination angle of the reflector is 5-85 degrees.

The utility model also provides a steam hot water system of biax slot type solar collector, it is equipped with overhead tank and connecting tube, the last thermal-collecting tube that is provided with of solar collector, and the delivery port of thermal-collecting tube is connected with the water inlet of overhead tank through the connecting tube, and the delivery port of overhead tank is connected with the water inlet of thermal-collecting tube through the connecting tube to form circulation loop, be connected with the automatic water supply level gauge on the overhead tank.

Preferably, the water inlet of the heat collecting tube is arranged at the bottom of the heat collecting tube, the water outlet of the heat collecting tube is arranged at the top of the heat collecting tube, and the pressure tank keeps the water level higher than the water level from the water outlet of the heat collecting tube to the water inlet of the pressure tank under the action of the automatic water replenishing liquid level meter.

Preferably, the pressure tank is a steam pressure tank, a steam outlet is arranged at the top of the steam pressure tank, and a pressure gauge and a safety valve are arranged on the steam pressure tank.

Preferably, the connecting pipeline is provided with a one-way valve and a high-pressure water replenishing pump.

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

the utility model discloses simple structure, the system is simplified, and stability is good, through worm gear subassembly and electric putter, can realize the adjustment of reflector angle for the sunlight can shine on the reflector all the time, and the four seasons sun remains 90 right angles with the reflector all the time and penetrates the operation directly, but the maximize is gathered and is absorbed solar heat, thereby great improvement solar energy utilization efficiency improves the economic benefits of enterprise. And the utility model discloses steam heating system equipment reduces to equipment investment reduces, need not special place, and the installation is simple, and the temperature promotes rapidly, is difficult for breaking down, but wide application in systems such as heating, hot water, steam.

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 embodiments or the prior art descriptions will be briefly described 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 inventive exercise.

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a first schematic structural view of the working state of the present invention;

FIG. 4 is a second schematic structural view of the working state of the present invention;

fig. 5 is a schematic structural diagram of the steam heating system of the present invention.

The symbols in the figures indicate:

1. a double-shaft trough type solar heat collector; 2. a support member; 21. a pillar; 22. a bracket beam assembly; 3. a reflective mirror; 4. a heat collecting pipe; 41. a water inlet of the heat collecting pipe; 42. a water outlet of the heat collecting pipe; 5. a vertical main shaft; 6. a transverse main shaft; 7. a worm gear assembly; 8. a reduction motor; 9. rotating the shaft sleeve; 10. a protective cover; 11. a pedestal bearing support; 12. a push rod supporting seat; 13. an electric push rod; 14. connecting a pipeline; 15. a steam pressure tank; 16. automatic water replenishing liquid level meter; 17. a steam outlet; 18. a pressure gauge; 19. a safety valve; 20. a one-way valve; 23. high-pressure water replenishing pump.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Referring to fig. 1-3, the present invention provides a double-shaft trough type solar thermal collector, which is provided with a support 2, a reflector 3 and a heat collecting tube 4 are arranged on the support 2, the whole thermal collector adopts a vertical opening design, the heat collecting tube 4 is arranged on the upper part of the reflector 3 and is arranged in a light collecting area of the reflector 3, and two reflectors 3 and two heat collecting tubes 4 are arranged; support piece 2 includes pillar 21 and sets up support beam assembly 22 in pillar 21 upper end, and support beam assembly 22 is equipped with the support beam and sets up the support beam supporting seat in support beam bottom, and reflector 3 supports through support beam assembly 22, and thermal-collecting tube 4 passes through the fixed setting of thermal-collecting tube support on support beam assembly 22.

In the embodiment, the pillar 21 adopts a single-column supporting structure, so that the installation adaptability is stronger, the solar energy collecting device is more suitable for installation of a building roof, and solar energy is more suitably collected; because the heat collector adopts vertical open type installation design, compare in the horizontal open mounting height of unipolar and reduce 80 centimeters to can effectively reduce morning and evening each other sunshine and shelter from, effectively reduce the windage, solar energy utilization rate is higher.

As shown in fig. 3, in the present embodiment, a main shaft is connected to an upper end of the pillar 21, the main shaft is provided with a vertical main shaft 5 and a horizontal main shaft 6, the horizontal main shaft 6 is arranged at an upper end of the vertical main shaft 5, and a worm and gear assembly 7 and a speed reduction motor 8 are arranged between the pillar 21 and the vertical main shaft 5; worm gear subassembly 7 sets up on the fixing base that pillar 21 top set up, gear motor 8 also sets up on the fixing base, gear motor 8 drives worm gear subassembly 7 operation, worm gear subassembly 7 is provided with the worm wheel, the worm wheel is with the worm assembly connection who sets up on the fixing base, under worm gear subassembly 7's transmission, vertical main shaft 5 can carry out the east west to rotatory, horizontal main shaft 6 can carry out the north-south to rotatory to drive the reflector 3 and the heat collecting pipe 4 action that the upper end set up. A rotating shaft sleeve 9 is arranged on the periphery of the vertical main shaft 5, the rotating shaft sleeve 9 is connected with a worm wheel arranged at the lower end of the rotating shaft sleeve 9, and a protective cover 10 is further arranged on the periphery of the worm wheel and worm assembly 7; the bearing shaft sleeve is arranged in the rotary shaft sleeve 9, the shaft and the upper end of the bearing shaft sleeve cannot be pulled out through nut locking, the upper end of the rotary shaft sleeve 9 is connected with a bearing support 11 with a seat, two sets of bearings are installed on the bearing support 11 with the seat, and the shaft in the bearing is fixedly connected with a support beam arranged at the upper end.

Furthermore, in this embodiment, a push rod supporting seat 12 is fixedly connected to a side of the rotating shaft sleeve 9, an electric push rod 13 is connected to an upper end of the push rod supporting seat 12, the electric push rod 13 is connected to a bottom of the bracket beam assembly 22, and an upper end of the electric push rod 13 is connected to the bracket beam supporting seat and is movable at a certain angle.

In the embodiment, the heat collector is also provided with a control system for controlling the action of the heat collector; the mirror 3 can rotate 360 degrees on the horizontal plane with the pillar 21 as the center, the mirror 3 changes the elevation angle and the inclination angle with the bearing at the upper end of the transverse main shaft 6 as the center, and the change range of the elevation angle and the inclination angle of the mirror 3 is 5-85 degrees. Through the adjustment of the angle and the pitching, the reflector 3 can achieve all-weather and all-directional sunlight tracking in all seasons through rotation and pitching, the sun and the reflector 3 always keep 90-degree right-angle direct-projection operation all the year round, the absorption heat can be collected to the maximum extent, and compared with a single-shaft groove type, the efficiency can be improved by 50% due to light loss caused by oblique radiation; and the inclination angle and elevation angle are inclined and changed by 5-85 degrees, natural convection can be formed by matching the liquid level height of the upper tank, and a circulating pump is not needed, so that the investment and the enterprise operation cost can be reduced.

As shown in fig. 5, the utility model provides a steam hot water system of biax slot type solar collector still need not a series of equipment such as the required conduction oil of traditional unipolar slot type solar energy, oil pump, oil storage tank, elevated tank, conduction oil steam heat exchanger, high temperature fuel tap, and all above-mentioned equipment of this application cancellation only need a steam pressure tank and connecting pipeline can realize relevant operation. The solar heat collector is provided with a double-shaft groove type solar heat collector 1, a heat collecting pipe 4 is arranged on the double-shaft groove type solar heat collector 1, the heat collecting pipe 4 is provided with a water inlet and a water outlet, a heat collecting pipe water inlet 41 is arranged at the bottom end of the heat collecting pipe 4, a heat collecting pipe water outlet 42 is arranged at the top end of the heat collecting pipe, water flows into the low end and flows out from the high end, the heat collecting pipe water outlet 42 is connected with a water inlet of a steam pressure tank 15 through a connecting pipeline 14, a water outlet arranged at the bottom of the steam pressure tank 15 is connected with the heat collecting pipe water inlet 41 through the connecting pipeline 14, and therefore a circulation loop is formed between the heat collecting pipe 4 and the steam pressure tank 15.

Furthermore, in this embodiment, the steam pressure tank 15 is connected to an automatic water replenishing liquid level meter 16, the automatic water replenishing liquid level meter 16 controls the water level in the tank, and the steam pressure tank 15 keeps the water level height always exceeding the water level from the heat collecting pipe water outlet 42 to the water inlet of the steam pressure tank 15 under the action of the automatic water replenishing liquid level meter 16.

Furthermore, in this embodiment, a steam outlet 17 is disposed at the top of the steam pressure tank 15, a pressure gauge 18 and a safety valve 19 are disposed on the steam pressure tank 15, a check valve 20 and a high-pressure water replenishing pump 23 are disposed on the connecting pipeline 14, and when the water level in the steam pressure tank 15 is low, the high-pressure water replenishing pump 23 adds water to the set water level.

The utility model discloses a theory of operation does: because the elevation angle of more than 5 degrees can be reserved when the maximum inclination angle reaches the maximum elevation angle when the double-shaft groove type solar heat collector operates, the elevation angle can be completely filled with heat convection caused by liquid temperature rise, the lower end of the heat collecting tube 4 is filled with water, the higher end of the heat collecting tube 4 is filled with water, the water is heated and rises in the heat collecting tube 4, the hot water enters the steam pressure tank 15, the water at the bottom of the steam pressure tank 15 supplementarily flows into the heat collecting tube 4 to be heated continuously in convection until the required target temperature and pressure are reached, then the steam safety valve is opened, superheated water generates steam in the top space of the steam pressure tank 15 to be discharged, the heat collecting tube 4 is heated continuously, and the heated water is heated continuously in convection due to temperature difference rise.

Because the embodiment does not use heat conduction oil, environmental pollution caused by heat conduction oil leakage and serious accidents caused by high-temperature spontaneous combustion can be effectively avoided; the oil pump, the oil storage tank, the elevated tank, the heat-conducting oil steam heat exchanger, the high-temperature oil valve oil pipe, the pipeline heat preservation and other equipment are completely eliminated, the energy consumption of the heat-conducting oil pump is reduced, the heat loss caused by the temperature difference of oil and water is avoided by direct heating, and the heat exchange efficiency is improved by 10% compared with the traditional heat exchange efficiency. And the investment of steam generating equipment except the heat collector only accounts for 10 percent of the investment of the traditional trough type equipment, no special site is needed, the installation is simple, the temperature is quickly raised, the fault is not easy to occur, and the device can be widely applied to systems of heating, hot water, steam and the like.

In the description of the present invention, it is to be understood that the positional or positional relationships, such as the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, are based on the positional or positional relationships illustrated in the drawings and are for convenience in describing the present application and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered as limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A double-shaft groove type solar heat collector is provided with a reflector, a heat collecting pipe, a driving device and a supporting piece, and is characterized in that the supporting piece comprises a supporting column and a support beam assembly arranged at the upper end of the supporting column, the reflector is supported by the support beam assembly, the upper end of the supporting column is connected with a main shaft, the main shaft is provided with a vertical main shaft and a transverse main shaft, the transverse main shaft is arranged at the upper end of the vertical main shaft, and a worm gear assembly and a speed reducing motor are arranged between the supporting column and the vertical main shaft;

the reflector rotates on a horizontal plane by taking the pillar as a center, and the reflector changes an elevation angle and an inclination angle by taking a bearing at the upper end of the transverse main shaft as a center; the periphery of vertical main shaft is provided with rotatory axle sleeve, the side fixedly connected with push rod supporting seat of rotatory axle sleeve, the upper end of push rod supporting seat is connected with electric putter, electric putter with the bottom of support beam subassembly is connected, still be connected with control system on the heat collector.

2. The double-shaft trough type solar heat collector as claimed in claim 1, wherein the heat collector is integrally designed with a vertical opening, the heat collecting tube is arranged at the upper part of the reflector and in the light condensing area of the reflector, and the reflector and the heat collecting tube are both provided with two.

3. The double-shaft trough solar collector of claim 2, wherein the support beam assembly is provided with support beams and support beam supports arranged at the bottoms of the support beams, and the pillars are in a single-upright-column supporting structure.

4. The double-shaft groove type solar heat collector as claimed in claim 3, wherein a bearing shaft sleeve is arranged in the rotating shaft sleeve, the upper end of the bearing shaft sleeve is locked by a nut, a bearing support with a seat is connected to the upper end of the rotating shaft sleeve, two sets of bearings are mounted on the bearing support with the seat, the bearings are fixedly connected with a support beam arranged at the upper end, and the upper end of the electric push rod is connected with the support beam support seat.

5. The double-shaft groove type solar heat collector as claimed in claim 4, wherein the worm gear assembly is arranged on a fixed seat arranged at the top end of the pillar, a speed reducing motor is further arranged on the fixed seat, the speed reducing motor drives the worm gear assembly to operate, the worm gear assembly is provided with a worm wheel and a worm, the rotating shaft sleeve is connected with the worm wheel arranged at the lower end, the worm wheel is connected with the worm arranged on the fixed seat in an assembling manner, and a protective cover is further arranged on the periphery of the worm gear assembly.

6. A dual-axis trough solar collector according to claim 1, wherein the reflector is rotated 360 ° in the horizontal plane, and the reflector is tilted in elevation in the range of 5-85 °.

7. A steam hot water system applying the double-shaft trough type solar thermal collector as claimed in any one of claims 1 to 6, which is provided with a pressure tank and a connecting pipeline, wherein the solar thermal collector is provided with a thermal collecting pipe, the water outlet of the thermal collecting pipe is connected with the water inlet of the pressure tank through the connecting pipeline, the water outlet of the pressure tank is connected with the water inlet of the thermal collecting pipe through the connecting pipeline so as to form a circulation loop, and the pressure tank is connected with an automatic water replenishing liquid level meter.

8. The steam hot water system of the double-shaft trough-type solar thermal collector as claimed in claim 7, wherein the water inlet of the thermal collector tube is arranged at the bottom of the thermal collector tube, the water outlet of the thermal collector tube is arranged at the top of the thermal collector tube, and the pressure tank keeps the water level higher than the water level from the water outlet of the thermal collector tube to the water inlet of the pressure tank under the action of the automatic water replenishing liquid level meter.

9. The steam hot water system of the double-shaft trough type solar heat collector as claimed in claim 8, wherein the pressure tank is a steam pressure tank, a steam outlet is arranged at the top of the steam pressure tank, and a pressure gauge and a safety valve are arranged on the steam pressure tank.

10. The steam hot water system of the double-shaft trough type solar heat collector as claimed in claim 9, wherein the connecting pipeline is provided with a one-way valve and a high-pressure water replenishing pump.

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