CN104315736A - Trough solar collector with self-propelled cleaning device - Google Patents
Trough solar collector with self-propelled cleaning device Download PDFInfo
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- CN104315736A CN104315736A CN201410607078.XA CN201410607078A CN104315736A CN 104315736 A CN104315736 A CN 104315736A CN 201410607078 A CN201410607078 A CN 201410607078A CN 104315736 A CN104315736 A CN 104315736A
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- cleaning device
- guide rail
- self
- collecting tube
- thermal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The invention provides a trough solar collector with a self-propelled cleaning device. A plurality of abreast suspension frames are arranged above a plurality of arc plates in a crossing manner, a heat collecting tube is suspended below the suspension frames, a guide rail is arranged under the heat collecting tube, connecting water pipes parallel to the guide rail are connected among the ends of the arc plates on two sides of collecting mirrors and are provided with a plurality of spray heads, two ends of the suspension frames are fixedly connected with the connecting water pipes, a waterproof shell capable of moving along the guide rail is arranged on the guide rail, a control circuit board, a charging battery and a traveling driving motor are arranged in the waterproof shell, the charging battery and the traveling driving motor are electrically connected with the control circuit board, a remote control signal receiving unit is integrated on the control circuit board, wiper arms matched with the arc plates are connected on two sides of the waterproof shell symmetrically, and a heat collecting tube brush is arranged at the top of the waterproof shell. The trough solar collector with the self-propelled cleaning device has the advantages that the cleaning device capable of reciprocating in a short distance is added, a cleaning effect is guaranteed and efficiency is improved.
Description
Technical field
The present invention relates to a kind of trough type solar heat-collector with self-propelled cleaning device.
Background technology
At present, the condenser of solar groove type heat collector is that arc glass is made, and condenser minute surface does not totally have dust to have a strong impact on spotlight effect, so the moment will ensure mirror surface cleaning.Because condenser minute surface area is large, so cleaning up is more difficult.And generally all adopting the mode of manually carrying out cleaning, cleaning speed is slow, and waste time and energy, efficiency is low, goes back waste water resource.
Summary of the invention
For solving above technical deficiency, the invention provides a kind of cleaning performance good, the trough type solar heat-collector of the self-propelled cleaning device of time saving and energy saving band.
The present invention is achieved by the following measures:
A kind of trough type solar heat-collector with self-propelled cleaning device of the present invention, comprises thermal-collecting tube and props up
Support, bracing frame top is rotatably connected to revolution transmission tube by bearing block, described revolution transmission tube is fixedly connected with arc, arc is equipped with condenser, it is characterized in that: above described arc, laterally have some suspensions side by side, described thermal-collecting tube is suspended on below suspension, the guide rail extended along condenser longitudinal center is provided with immediately below described thermal-collecting tube, longitudinally the water flowing tube connector paralleled with guide rail is connected with between some arc ends of described condenser both sides, described water flowing tube connector is provided with some fountain heads towards condenser and thermal-collecting tube, the two ends of described suspension are fixedly connected with water flowing tube connector,
Described guide rail is provided with can along the waterproof case of guide rail movement, the rechargeable battery being provided with control circuit board in described waterproof case and be electrically connected with control circuit board and travel driving motor, described control circuit board is integrated with remote-control-signal reception unit, described waterproof case bilateral symmetry is connected with the wiper arm matched with arc, waterproof case top be provided with can on guide rail direction the cleaning bracing frame of flip vertical, cleaning bracing frame top is provided with the thermal-collecting tube brush body that can be inserted in thermal-collecting tube lower circumference face.
In order to can conveniently charge to rechargeable battery, above-mentioned bracing frame side is horizontally connected with support supporting plate, described support supporting plate is provided with insulation column, described insulation column top is provided with the power transmission copper coin of external power supply, described waterproof case side insulative water-proof cover, be provided with the elastic contact chip that end can contact with power transmission copper coin in insulative water-proof cover, described elastic contact chip is electrically connected with rechargeable battery by control circuit board.
Above-mentioned rail crown is fixedly equipped with Timing Belt, and described travel driving motor drives and is connected with the belt wheel be meshed with Timing Belt; The top dual-side of described guide rail is provided with optical axis, and waterproof case two bottom sides is all rotatably connected to directive wheel, described directive wheel be circumferentially provided with the U-lag matched with optical axis.It is made to run more stable.
Above-mentioned suspension comprises the cantilever of symmetrical connection, cantilevered distal end is connected with water flowing tube connector, cantilever top is provided with connecting plate, described connecting plate top is provided with some left and right bolt hole side by side, connecting plate bottom is provided with vertical strip hole, the connecting plate top of two cantilevers is overlapping to be also connected by the bolt through bolt hole, on described thermal-collecting tube, cover has clip, be provided with the suspension plate being with horizontal strip hole above described clip, described connecting plate bottom and suspension plate overlap are also by fixing through the bolt of vertical strip hole and horizontal strip hole.Make suspension all leave surplus in the longitudinal and transverse direction, adapt to thermal-collecting tube and to expand with heat and contract with cold the deformation caused, avoid damaging thermal-collecting tube.
More to save and evenly to make water spray, above-mentioned water flowing tube connector is arranged by some and adjustment sleeve pipes of being communicated with parallel with water flowing tube connector, each adjustment sleeve pipe two ends respectively vertical rotation are connected with a fountain head towards condenser and a fountain head towards thermal-collecting tube.
Above-mentioned thermal-collecting tube brush body comprises open-topped semicircle brush holder, and described brush holder inner circumferential surface is provided with the moulded rubber thin slice of some layers, improves fastness and the cleaning effect of brush body, extends the service life of brush body.
The bearing block at above-mentioned bracing frame top comprises the semicircle lower base and semicircle upper pedestal that the merga pass bolt that interlocks is connected, bearing block inner periphery is inlaid with graphite copper sheathing, bearing block is provided with the stainless steel sheet| of the coated revolution transmission tube of rivet clasp with revolution transmission tube socket place, counterweight is connected with below described revolution transmission tube, improve integral device in cornering stability, improve revolution transmission tube service life.
Be provided with T-shaped draw-in groove bottom above-mentioned guide rail two ends, be installed with the set bolt matched in described T-shaped draw-in groove, described set bolt bottom is connected with bracing frame.Guide rails assembling is convenient stable, avoids the double swerve of guide rail.
In order to alleviate the weight of bracing frame, convenient installation, above-mentioned bracing frame comprises main pillar, described main pillar side is connected with inclined support bar, support bottom bar is connected with bottom described inclined support bar and between main posts bottom, support below bottom bar and main pillar and be connected with fixed base plate by adjustment bolt, main pillar adopts I-steel, and inclined support bar adopts channel-section steel.
Above-mentioned power transmission copper coin is connected with charge controller, described control circuit board is integrated with battery electric quantity detecting unit.Improve the automaticity of charging device.
The invention has the beneficial effects as follows: adding can the reciprocating cleaning device of short distance, thus can complete the cleaning to condenser and thermal-collecting tube when not needing artificial, ensure that cleaning performance, saves manpower, improve efficiency.
Accompanying drawing explanation
Fig. 1 is part isometric structural representation of the present invention.
Fig. 2 is the left TV structure schematic diagram of part of the present invention.
Fig. 3 is the main TV structure schematic diagram of part of the present invention.
Fig. 4 is the structural representation of cleaning device of the present invention.
Fig. 5 is the structural representation of charging device of the present invention.
Fig. 6 is the structural representation of rail sections of the present invention.
Fig. 7 is the structural representation of suspension part of the present invention.
Fig. 8 is the structural representation of bearing block of the present invention.
Fig. 9 is the structural representation of thermal-collecting tube brush body of the present invention.
Figure 10 is the structural representation of bracing frame of the present invention.
Figure 11 is the structural representation in waterproof case of the present invention.
Figure 12 is that waterproof case of the present invention and guide rail assemble schematic diagram.
Figure 13 is the structural representation of fountain head part of the present invention.
Wherein: 1 waterproof case, 1.1 travel driving motor, 1.2 belt wheels, 1.3 directive wheels, 1.4 optical axises,
2 wiper arms, 3 electric pushrod assemblies, 4 thermal-collecting tube brush bodies, 4.1 brush holder, 4.2 rubber sheet, 5 fountain heads, 5.1 adjustment sleeve pipes, 6 charging devices, 6.1 elastic contact chip, 6.2 power transmission copper coins, 6.3 insulation column, 6.4 support supporting plate, 7 bracing frames, 7.1 main pillars, 7.2 inclined support bar, 7.3 support bottom bar, 7.4 fixed base plate, 8 arcs, 9 suspensions, 9.1 cantilever, 9.2 connecting plate, 9.3 suspension plate, 9.4 bolt hole, 10 gyrators, 11 water flowing tube connectors, 12 thermal-collecting tubes, 13 revolution transmission tubes, 14 bearing blocks, 14.1 lower bases, 14.2 upper pedestals, 15 stainless steel sheet|s, 16 condensers, 17 balancing weights, 18 guide rails, 19 Timing Belts, 20 T-shaped draw-in grooves, 21 set bolts.
Detailed description of the invention
Below in conjunction with accompanying drawing, further detailed description is done to the present invention:
As shown in Figure 1, 2, a kind of trough type solar heat-collector with self-propelled cleaning device of the present invention, comprise thermal-collecting tube 12 and bracing frame 7, bracing frame 7 top is rotatably connected to revolution transmission tube 13 by bearing block 14, revolution transmission tube 13 is fixedly connected with arc 8, arc 8 is equipped with condenser 16.On the basis of above-mentioned existing structure, the cleaning device that invention increases suspension 9 and can walk, has done corresponding improvement by the part such as bracing frame 7 grade of trough type solar heat-collector simultaneously, has made it easier for installation, and cleaning device runs more stable.
Some suspensions 9 side by side are laterally crossed on above arc 8, and thermal-collecting tube 12 is suspended on below suspension 9,
Make thermal-collecting tube 12 be positioned at the focus place of condenser 16 simultaneously.As shown in Figure 7, suspension 9 comprises the cantilever 9.1 of symmetrical connection, cantilever 9.1 top is provided with connecting plate 9.2, connecting plate 9.2 top is provided with some left and right bolt hole 9.4 side by side, connecting plate 9.2 bottom is provided with vertical strip hole, connecting plate 9.2 top of two cantilevers 9.1 is overlapping and by being connected through the bolt of bolt hole 9.4, multiple bolt hole 9.4 facilitates the span between adjustment two cantilevers 9.1, to be arranged on the heat collector of different size.On thermal-collecting tube 12, cover has clip, is provided with the suspension plate 9.3 being with horizontal strip hole above clip, and connecting plate 9.2 bottom and suspension plate 9.3 overlap are also by fixing through the bolt of vertical strip hole and horizontal strip hole.The setting of vertical strip hole and horizontal strip hole makes suspension 9 all leave surplus in the longitudinal and transverse direction, adapts to thermal-collecting tube 12 and to expand with heat and contract with cold the deformation caused, and avoids damaging thermal-collecting tube 12.
As shown in Figure 6, the guide rail 18 extended along condenser 16 longitudinal center is provided with immediately below thermal-collecting tube 12.Guide rail 18 is provided with T-shaped draw-in groove 20 bottom two ends, is installed with the set bolt 21 matched in T-shaped draw-in groove 20, and set bolt 21 bottom is connected with bracing frame 7.By set bolt 21, guide rail 18 is arranged on bracing frame 7, easier for installation stable, avoid the double swerve of guide rail 18.
As shown in Figure 4, guide rail 18 is provided with cleaning device, cleaning device comprises waterproof case 1, waterproof case 1 bilateral symmetry is connected with the wiper arm 2 matched with arc 8, waterproof case 1 top be provided with can on guide rail 18 direction the cleaning bracing frame 7 of flip vertical, cleaning bracing frame 7 top is provided with thermal-collecting tube 12 brush body 4 that can be inserted in thermal-collecting tube 12 lower circumference face.Electric pushrod assembly 3 installed by cleaning bracing frame 7, for rise and the recovery of thermal-collecting tube 12 brush body 4, need to be shifted onto by thermal-collecting tube 12 brush body 4 when cleaning the position of setting and hold the outer glass pipe of vacuum heat collection pipe 12 tightly, certain pressure can be kept in the process scraped, cleaning bracing frame 7 bottom and be designed with threaded adjusting mechanism, thermal-collecting tube 12 brush body 4 position up and down can be regulated, itself and vacuum tube are fitted uniformly.As shown in Figure 9, thermal-collecting tube 12 brush body 4 comprises open-topped semicircle brush holder 4.1, and described brush holder 4.1 inner circumferential surface is provided with the moulded rubber thin slice 4.2 of some layers, improves fastness and the cleaning effect of brush body, extends the service life of brush body.
As shown in Figure 4 and 11, move along guide rail 18 to enable cleaning device, the fixing laying Timing Belt 19 at guide rail 18 top, the rechargeable battery being provided with control circuit board in waterproof case 1 and be electrically connected with control circuit board and travel driving motor 1.1, travel driving motor 1.1 drives and is connected with the belt wheel 1.2 be meshed with Timing Belt 19, travel driving motor 1.1 is with movable belt pulley 1.2 to rotate, thus drive cleaning device to move along guide rail 18, in the process of movement, wiper arm 2 pairs of condenser 16 faces are cleaned.Control circuit board is integrated with remote-control-signal reception unit, the remote control of cleaning can be realized.
As shown in figure 12, the top dual-side of guide rail 18 is provided with optical axis 1.4, and waterproof case 1 two bottom sides is all rotatably connected to directive wheel 1.3, directive wheel 1.3 be circumferentially provided with the U-lag matched with optical axis 1.4.It is made to run more stable.
Longitudinally the water flowing tube connector 11 paralleled with guide rail 18 is connected with between some arcs 8 end of condenser 16 both sides, water flowing tube connector 11 is provided with some fountain heads 5 towards condenser 16 and thermal-collecting tube 12, cantilever 9.1 end of suspension 9 is connected on water flowing tube connector 11.Water flowing tube connector 11 1 aspect plays the effect of supporting cantilever 9.1, simultaneously also as the pipeline of conveying water.As shown in figure 13, more to save and evenly to make water spray, water flowing tube connector 11 is arranged by some and adjustment sleeve pipes 5.1 of being communicated with parallel with water flowing tube connector 11, each adjustment sleeve pipe 5.1 two ends respectively vertical rotation are connected with a fountain head 5 towards condenser 16 and a fountain head 5 towards thermal-collecting tube 12.
As shown in Figure 5, in order to can conveniently charge to rechargeable battery, invention increases charging device 6.Be specially, bracing frame 7 side lateral connection supports supporting plate 6.4, support on supporting plate 6.4 and be provided with insulation column 6.3, insulation column 6.3 top arranges the power transmission copper coin 6.2 of external power supply, waterproof case side insulative water-proof cover, arrange the elastic contact chip 6.1 that can contact with power transmission copper coin 6.2 in insulative water-proof cover, elastic contact chip 6.1 is electrically connected with rechargeable battery by control circuit board.Power transmission copper coin 6.2 is connected with charge controller, control circuit board is integrated with battery electric quantity detecting unit.Improve the automaticity of charging device 6.When cleaning device moves to the end of guide rail 18, elastic contact chip 6.1 contacts with power transmission copper coin 6.2, and battery electric quantity detecting unit detects the electricity of rechargeable battery, if electricity is lower, power transmission copper coin 6.2 will be energized by charge controller, charges to rechargeable battery through overcharge circuit.It is enough normal for first detecting charging device 6 connection before charging, if without leak electricity short-circuit situation, then starts and charges the battery, be full of rear auto-breaking.In routine use process, elastic contact chip 6.1 is not charged, effectively prevent the possibility of leak electricity short-circuit in wet environment.
As shown in Fig. 3,10, in order to alleviate the weight of bracing frame 7, convenient installation, bracing frame 7 comprises main pillar 7.1, main pillar 7.1 side is connected with inclined support bar 7.2, is connected with and supports bottom bar 7.3 between bottom inclined support bar 7.2 and bottom main pillar 7.1, supports below bottom bar 7.3 and main pillar 7.1 and is connected with fixed base plate 7.4 by adjusting bolt, main pillar 7.1 adopts I-steel, and inclined support bar 7.2 adopts channel-section steel.As shown in Figure 8, the bearing block 14 at bracing frame 7 top comprises the semicircle lower base 14.1 and semicircle upper pedestal 14.2 that the merga pass bolt that interlocks is connected, bearing block 14 inner periphery is inlaid with graphite copper sheathing, bearing block 14 is provided with the stainless steel sheet| 15 of the coated revolution transmission tube 13 of rivet clasp with revolution transmission tube 13 socket place, be connected with balancing weight 17 below revolution transmission tube 13, gyrator 10 drives revolution transmission tube 13 to rotate.Improve integral device in cornering stability, improve revolution transmission tube 13 service life.Bearing block 14 shell cast steel structure, intensity is high, and inside is inlaid with semicircle graphite copper sheathing, reduces the friction of bearing.Revolution transmission tube 13 uses the precision seamless steel tubes of diameter 108mm, alleviates the weight of heat collector while ensureing linearity.Turn round transmission tube 13 directly as rotating shaft, the position stainless steel sheet| 15 contacted with bearing block 14 wraps up, and can increase sliding effect and can improve service life again simultaneously.Stainless steel sheet| 15 uses rivet to be fixed on transmission tube, the low convenient installation again of cost.
The above is only the preferred embodiment of this patent; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the art of this patent principle; can also make some improvement and replacement, these improve and replace the protection domain that also should be considered as this patent.
Claims (10)
1. be with a trough type solar heat-collector for self-propelled cleaning device, comprise thermal-collecting tube and bracing frame, institute
State bracing frame top and be rotatably connected to revolution transmission tube by bearing block, described revolution transmission tube is fixedly connected with arc, arc is equipped with condenser, it is characterized in that: above described arc, laterally have some suspensions side by side, described thermal-collecting tube is suspended on below suspension, the guide rail extended along condenser longitudinal center is provided with immediately below described thermal-collecting tube, longitudinally the water flowing tube connector paralleled with guide rail is connected with between some arc ends of described condenser both sides, described water flowing tube connector is provided with some fountain heads towards condenser and thermal-collecting tube, the two ends of described suspension are fixedly connected with water flowing tube connector,
Described guide rail is provided with can along the waterproof case of guide rail movement, the rechargeable battery being provided with control circuit board in described waterproof case and be electrically connected with control circuit board and travel driving motor, described control circuit board is integrated with remote-control-signal reception unit, described waterproof case bilateral symmetry is connected with the wiper arm matched with arc, waterproof case top be provided with can on guide rail direction the cleaning bracing frame of flip vertical, cleaning bracing frame top is provided with the thermal-collecting tube brush body that can be inserted in thermal-collecting tube lower circumference face.
2. the trough type solar heat-collector according to claim 1 with self-propelled cleaning device, it is characterized in that: support frame as described above side is horizontally connected with support supporting plate, described support supporting plate is provided with insulation column, described insulation column top is provided with the power transmission copper coin of external power supply, described waterproof case side insulative water-proof cover, be provided with the elastic contact chip that end can contact with power transmission copper coin in insulative water-proof cover, described elastic contact chip is electrically connected with rechargeable battery by control circuit board.
3. the trough type solar heat-collector according to claim 1 with self-propelled cleaning device, is characterized in that: described rail crown is fixedly equipped with Timing Belt, and described travel driving motor drives and is connected with the belt wheel be meshed with Timing Belt; The top dual-side of described guide rail is provided with optical axis, and waterproof case two bottom sides is all rotatably connected to directive wheel, described directive wheel be circumferentially provided with the U-lag matched with optical axis.
4. the trough type solar heat-collector according to claim 1 with self-propelled cleaning device, it is characterized in that: described suspension comprises the cantilever of symmetrical connection, cantilevered distal end is connected with water flowing tube connector, cantilever top is provided with connecting plate, described connecting plate top is provided with some left and right bolt hole side by side, connecting plate bottom is provided with vertical strip hole, the connecting plate top of two cantilevers is overlapping to be also connected by the bolt through bolt hole, on described thermal-collecting tube, cover has clip, the suspension plate being with horizontal strip hole is provided with above described clip, described connecting plate bottom and suspension plate overlap are also by fixing through the bolt of vertical strip hole and horizontal strip hole.
5. the trough type solar heat-collector according to claim 1 with self-propelled cleaning device, it is characterized in that: described water flowing tube connector is arranged by some and adjustment sleeve pipes of being communicated with parallel with water flowing tube connector, each adjustment sleeve pipe two ends respectively vertical rotation are connected with a fountain head towards condenser and a fountain head towards thermal-collecting tube.
6. the trough type solar heat-collector according to claim 1 with self-propelled cleaning device, is characterized in that: described thermal-collecting tube brush body comprises open-topped semicircle brush holder, and described brush holder inner circumferential surface is provided with the moulded rubber thin slice of some layers.
7. the trough type solar heat-collector according to claim 1 with self-propelled cleaning device, it is characterized in that: the bearing block at support frame as described above top comprises the semicircle lower base and semicircle upper pedestal that the merga pass bolt that interlocks is connected, bearing block inner periphery is inlaid with graphite copper sheathing, bearing block is provided with the stainless steel sheet| of the coated revolution transmission tube of rivet clasp with revolution transmission tube socket place, is connected with counterweight below described revolution transmission tube.
8. the trough type solar heat-collector according to claim 1 with self-propelled cleaning device, it is characterized in that: bottom described guide rail two ends, be provided with T-shaped draw-in groove, be installed with the set bolt matched in described T-shaped draw-in groove, described set bolt bottom is connected with bracing frame.
9. the trough type solar heat-collector according to claim 1 with self-propelled cleaning device, it is characterized in that: support frame as described above comprises main pillar, described main pillar side is connected with inclined support bar, support bottom bar is connected with bottom described inclined support bar and between main posts bottom, support below bottom bar and main pillar and be connected with fixed base plate by adjustment bolt, main pillar adopts I-steel, and inclined support bar adopts channel-section steel.
10. the trough type solar heat-collector according to claim 1 with self-propelled cleaning device, is characterized in that: described power transmission copper coin is connected with charge controller, described control circuit board is integrated with battery electric quantity detecting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410607078.XA CN104315736B (en) | 2014-11-03 | 2014-11-03 | A kind of trough type solar heat-collector with self-propelled rinser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410607078.XA CN104315736B (en) | 2014-11-03 | 2014-11-03 | A kind of trough type solar heat-collector with self-propelled rinser |
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| CN104315736A true CN104315736A (en) | 2015-01-28 |
| CN104315736B CN104315736B (en) | 2016-07-06 |
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| CN105180479A (en) * | 2015-07-14 | 2015-12-23 | 广东电网有限责任公司电力科学研究院 | Cleaning device for mirror field of linear Fresnel heat collector |
| CN105363711A (en) * | 2015-11-25 | 2016-03-02 | 山东奇威特太阳能科技有限公司 | Cleaning method for collecting lens and heat collecting pipe of solar slot type heat collector |
| CN108469124A (en) * | 2018-05-03 | 2018-08-31 | 昆明理工大学 | A kind of high-gain solar energy non-imaged compound parabolic light-condensing and heat-collecting device |
| CN108954860A (en) * | 2017-05-17 | 2018-12-07 | 阿布索里肯太阳能收集器公司 | Holder, solar collector and the method for arranging fluid hose of tightening fluid pipe |
| CN112808728A (en) * | 2020-12-20 | 2021-05-18 | 宜昌市天信光学仪器有限公司 | Reciprocating type belt cleaning device is used in processing of optical glass piece |
| CN113310229A (en) * | 2021-04-23 | 2021-08-27 | 滨州学院 | Daily automatic ash handling equipment of slot type solar energy condensing lens |
| CN113769699A (en) * | 2021-09-22 | 2021-12-10 | 安徽蓝科新材料有限公司 | Preparation equipment and method of heat-resistant acrylate resin monomer |
| CN115571943A (en) * | 2022-04-24 | 2023-01-06 | 北京绿佳杰园林工程有限公司 | Landscape's rainwater recovery processing device |
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| CN113769699A (en) * | 2021-09-22 | 2021-12-10 | 安徽蓝科新材料有限公司 | Preparation equipment and method of heat-resistant acrylate resin monomer |
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