CN219999623U - Carbon removal heater convenient to installation is fixed - Google Patents
Carbon removal heater convenient to installation is fixed Download PDFInfo
- Publication number
- CN219999623U CN219999623U CN202321515388.XU CN202321515388U CN219999623U CN 219999623 U CN219999623 U CN 219999623U CN 202321515388 U CN202321515388 U CN 202321515388U CN 219999623 U CN219999623 U CN 219999623U
- Authority
- CN
- China
- Prior art keywords
- heating
- heat dissipation
- pipe
- heating barrel
- heat preservation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 title claims description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 77
- 230000017525 heat dissipation Effects 0.000 claims description 39
- 238000004321 preservation Methods 0.000 claims description 33
- 238000005485 electric heating Methods 0.000 claims description 28
- 239000010865 sewage Substances 0.000 claims description 19
- 239000011490 mineral wool Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009529 body temperature measurement Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 2
- 238000012856 packing Methods 0.000 claims 2
- 239000012535 impurity Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 238000005262 decarbonization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Abstract
The utility model discloses a carbon removal heater convenient to mount and fix, which comprises a heating cylinder body and an explosion-proof junction box, wherein the explosion-proof junction box is mounted and connected to the top end position of the heating cylinder body, and an inner grounding column and an outer grounding column are arranged on the left side of the explosion-proof junction box.
Description
Technical Field
The utility model relates to the technical field of heaters, in particular to a carbon removal heater convenient to install and fix.
Background
The electric heater is an electric appliance which achieves a heating effect by utilizing electric energy and is used for heating, preserving heat and heating flowing liquid and gaseous media, and has the advantages of wide application range, long service life and high reliability.
The existing decarbonization heater is used, and in the using process, the heating pipe is always in a high-temperature state due to long-time discharge heating, the heat dissipation performance is poor, the damage to internal components and parts is easy to occur after long-time use, and the drain pipe is connected with an external drain pipe, so that the problem of blockage is easy to occur for a long time.
Disclosure of Invention
The utility model aims to provide a carbon removal heater convenient to install and fix, so as to solve the problems that in the prior art, the heating pipe is always in a high-temperature state due to long-time discharge heating in the use process, the heat dissipation performance is poor, the damage of internal components is easy to occur after long-time use, and a drain pipe is connected with an external drain pipe and is easy to cause blockage for a long time.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a remove carbon heater convenient to installation is fixed, includes heating barrel and explosion-proof terminal box, explosion-proof terminal box installation connection is on the top position of heating barrel, the left side of explosion-proof terminal box is provided with interior external ground post, the inboard of explosion-proof terminal box is located and is provided with electric heating pipe on the heating barrel, electric heating pipe bottom is located and is provided with radiator unit on the heating barrel, the junction of heating barrel and electric heating pipe is provided with the ring flange, the left end of heating barrel is provided with the air inlet, the right-hand member of heating barrel is provided with the gas outlet, the upper end of gas outlet is provided with the temperature measurement mouth, the upper end both sides of heating barrel are provided with heat preservation subassembly, the left side lower extreme of heating barrel is provided with the support, the support upper end is provided with the earth plate, the inboard bottom of heating barrel is provided with the head, the lower extreme of head is located and is provided with blowdown subassembly on the heating barrel.
The heat dissipation assembly comprises U-shaped clamping grooves, a heat dissipation frame, openings and heat dissipation fins, wherein the U-shaped clamping grooves are formed in two sides of the upper end of the heat dissipation frame at equal intervals, the openings are formed in the upper end of the inner side of the heat dissipation frame, the heat dissipation fins are arranged on the end face of the bottom end of the heat dissipation frame, and the heat dissipation frame is connected to the electric heating pipe through the U-shaped clamping grooves.
The heat-insulating assembly comprises heat-insulating rock wool, a heat-insulating fixing ring and a rubber gasket, wherein the heat-insulating rock wool is arranged inside the heat-insulating fixing ring, the rubber gasket is arranged on the periphery of the inner side of the heat-insulating fixing ring, and the heat-insulating fixing ring is connected to the heating cylinder.
Wherein, the heat preservation subassembly is provided with two altogether, just the heat preservation subassembly is connected on the upper end both sides position of heating barrel.
The heat dissipation assembly and the electric heating pipe are connected and installed in a clamping mode, and the heat dissipation assembly is connected to the lower end of the electric heating pipe.
The sewage disposal assembly comprises a filter screen, a threaded pipe, a fixing nut and a pipeline connector, wherein the filter screen is arranged at the upper end of the inner side of the pipeline connector, the threaded pipe is arranged at the top end of the pipeline connector, the fixing nut is arranged on the periphery of the outer side of the threaded pipe, and the threaded pipe is connected to the heating cylinder body.
Wherein, heating barrel and blowdown subassembly pass through the rotatory mode connection installation of screw thread, just blowdown subassembly is connected on the inboard bottom position of heating barrel.
In summary, the beneficial effects of the utility model are as follows due to the adoption of the technology:
1. according to the utility model, through the structure of the heat radiation component, the heat radiation component can radiate the electric heating pipes when in use, when the heat radiation component is installed, firstly, the U-shaped clamping grooves on the two sides of the upper end of the heat radiation frame are convenient to clamp on a plurality of electric heating pipes, and in this way, the electric heating pipes are connected and installed in a clamping way, so that the electric heating pipes are more convenient to install and are convenient to detach subsequently.
2. According to the utility model, through the structure of the sewage disposal assembly, the sewage disposal assembly is convenient to assemble and disassemble, impurities in sewage can be filtered and intercepted during use, the blockage of a sewage disposal pipeline is avoided, when the sewage disposal assembly is installed, the sewage disposal assembly is rotationally connected to the heating cylinder body through the rotating threaded pipe, so that the sewage disposal assembly is more convenient to install in a threaded rotation mode, the internal impurities are convenient to disassemble and pour later, the connectivity of the sewage disposal assembly can be further reinforced through the fixing nut at the upper end of the threaded pipe for a circle, the pipeline connector is convenient to connect with the external sewage disposal pipeline, so that the sewage disposal assembly is convenient to use, and during use, the impurities in the sewage can be filtered and intercepted through the filter screen arranged at the inner side between the threaded pipe and the pipeline connector, and the blockage of the sewage disposal pipeline is avoided.
Drawings
FIG. 1 is a schematic view of a partial cross-sectional structure of a carbon removal heater of the present utility model for facilitating installation and securement;
FIG. 2 is an enlarged schematic view of the area A of the carbon removal heater of the present utility model for easy installation and attachment;
FIG. 3 is a schematic view of a heat dissipating assembly of a carbon removal heater according to the present utility model;
FIG. 4 is a schematic view of a partial cross-sectional structure of a thermal insulation assembly of a carbon removal heater of the present utility model for easy installation and fixation;
FIG. 5 is a schematic view of a blowdown assembly of the present utility model for facilitating installation and securement of a carbon removal heater.
In the figure: 1. an air outlet; 2. a temperature measuring port; 3. heating the cylinder; 4. a thermal insulation assembly; 41. thermal insulation rock wool; 42. a heat-insulating fixing ring; 43. a rubber gasket; 5. a flange plate; 6. a heat dissipation assembly; 61. a U-shaped clamping groove; 62. a heat dissipation frame; 63. an opening; 64. a heat radiation fin; 7. an explosion-proof junction box; 8. a ground plate; 9. a blowdown assembly; 91. a filter screen; 92. a threaded tube; 93. a fixing nut; 94. a pipe joint; 10. a seal head; 11. an air inlet; 12. an inner and outer grounding column; 13. a support; 14. and (5) an electric heating tube.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
Example 1
Referring to fig. 1, 2 and 3, a carbon removal heater convenient to install and fix comprises a heating cylinder body 3 and an explosion-proof junction box 7, wherein the explosion-proof junction box 7 is installed and connected on the top end position of the heating cylinder body 3, an inner grounding column 12 and an outer grounding column 12 are arranged on the left side of the explosion-proof junction box 7, an electric heating pipe 14 is arranged on the heating cylinder body 3 on the inner side of the explosion-proof junction box 7, a heat radiating component 6 is arranged on the heating cylinder body 3 on the bottom end of the electric heating pipe 14, a flange plate 5 is arranged at the joint of the heating cylinder body 3 and the electric heating pipe 14, an air inlet 11 is arranged at the left end of the heating cylinder body 3, an air outlet 1 is arranged at the right end of the heating cylinder body 3, a temperature measuring port 2 is arranged at the upper end of the air outlet 1, heat preservation components 4 are arranged at two sides of the upper end of the heating cylinder body 3, a support 13 is arranged at the left lower end of the heating cylinder body 3, a grounding plate 8 is arranged at the upper end of the support 13, a seal head 10 is arranged at the inner bottom end of the heating cylinder body 3, the lower end of the sealing head 10 is provided with a pollution discharge component 9 on the heating cylinder 3, before use, the grounding plate 8 at the upper end of the support 13 is grounded with the outside, a cable is further used for connecting with the internal terminal of the explosion-proof junction box 7, the air inlet 11, the air outlet 1 and the pipeline connector 94 are respectively connected with the pipelines corresponding to the outside, during use, the external cable transmits electric power into the explosion-proof junction box 7, the electric heating pipe 14 is electrified and heated by the internal components of the explosion-proof junction box 7, the electric heating pipe 14 can carry out temperature test on the inside of the heating cylinder 3 through the temperature measuring port 2 during heating, and the electric heating pipe 14 can be radiated through the radiating fins 64 at the end face of the bottom end of the radiating frame 62 during use, so that damage caused by overhigh using temperature for a long time is avoided, the radiating frame 62 is connected with the electric heating pipe 14 through the U-shaped clamping groove 61, the installation is connected through the mode of joint like this for it is more convenient in the installation, and follow-up convenient to detach, and can keep warm heating barrel 3 inside liquid through keeping warm solid fixed ring 42 and inside heat preservation rock wool 41, avoid the temperature to run off, the energy has been saved, waste has been reduced, and during the blowdown, can filter the interception to the impurity in the sewage through setting up the filter screen 91 of inboard between screwed pipe 92 and pipe connection head 94, avoid blockking up the blow off pipeline, and screwed pipe 92 passes through swivelling joint in the inboard bottom of heating barrel 3, make it when the clearance impurity, rotate screwed pipe 92 and can dismantle the clearance inside impurity.
In the utility model, the heat dissipation component 6 and the electric heating pipes 14 are connected and installed in a clamping manner, the heat dissipation component 6 is connected to the lower end position of the electric heating pipes 14, the heat dissipation component 6 comprises a U-shaped clamping groove 61, a heat dissipation frame 62, an opening 63 and heat dissipation fins 64, the U-shaped clamping groove 61 is arranged at two sides of the upper end of the heat dissipation frame 62 at equal intervals, the opening 63 is arranged at the upper end of the inner side of the heat dissipation frame 62, the heat dissipation fins 64 are arranged at the end face of the bottom end of the heat dissipation frame 62, the heat dissipation frame 62 is connected to the electric heating pipes 14 through the U-shaped clamping groove 61, and when the heat dissipation component 6 is installed, the U-shaped clamping groove 61 at two sides of the upper end of the heat dissipation frame 62 is conveniently clamped to a plurality of electric heating pipes 14, so that the installation is convenient in the clamping manner, and the subsequent disassembly is convenient, and when the heat dissipation fins 64 at the end face of the bottom end of the heat dissipation frame 62 can well dissipate heat, and the inner side of the heat dissipation frame 62 is provided with the opening 63, so that the damage caused by overhigh temperature due to long-time use is avoided.
Working principle: before the use, with the ground plate 8 and the external ground connection processing of support 13 upper end, further use cable and the inside terminal switch-on of explosion-proof terminal box 7, with air inlet 11, gas outlet 1 and pipe connection head 94 respectively with the outside corresponding pipeline switch-on, in the use, external cable is with electric power transmission to explosion-proof terminal box 7 in, carry out the electrical heating by explosion-proof terminal box 7 inside components and parts and carry out the electrical heating to heating tube 14, and electrical heating tube 14 is in the heating process, can carry out the temperature test to heating barrel 3 inside through temperature measurement mouth 2, and in the use, can dispel the heat to electrical heating tube 14 through the radiator fin 64 of radiator frame 62 bottom terminal surface, avoid long-time use temperature too high and damage, and radiator frame 62 is connected with electrical heating tube 14 installation through U type draw-in groove 61, like this through the mode connection installation of joint, make in the installation more convenient, and follow-up convenient for dismantle, and can keep warm heating barrel 3 inside liquid through the heat preservation of keeping warm of heat retaining ring 42 and inside heat preservation rock wool 41, the energy is saved, and waste has been reduced, and when sewage drain is setting up in the filter screen 92 and filter tube 92 can be rotated in the inside pipe 92 and filter tube 92, the inside filter tube is removed in the filter tube 92 when the filter tube is rotated to the filter tube is removed, can be removed in the inside at the filter tube 92, can be prevented to the filter tube is rotated to the inside the filter tube is rotated to the inside 92.
Example two
Referring to fig. 1 and 4, in this embodiment, compared with the first embodiment, two heat preservation components 4 are provided, and the heat preservation components 4 are connected to two sides of the upper end of the heating cylinder 3, the heat preservation components 4 include heat preservation rock wool 41, a heat preservation fixing ring 42 and a rubber gasket 43, the heat preservation rock wool 41 is provided in the heat preservation fixing ring 42, the rubber gasket 43 is provided on one circumference of the inner side of the heat preservation fixing ring 42, and the heat preservation fixing ring 42 is connected to the heating cylinder 3.
Working principle: when the heat preservation assembly 4 is installed, the heat preservation fixing ring 42 is sleeved on the two sides of the upper end of the heating cylinder 3, so that the heat preservation fixing ring is connected and installed in a sleeved mode, the installation is more convenient, the follow-up convenient disassembly and replacement are realized, when the heat preservation fixing ring is sleeved, the connection is more compact and firm through the rubber gasket 43 on the inner side of the heat preservation fixing ring 42, the heat preservation fixing ring is not easy to slip when in use, and when in use, the liquid in the heating cylinder 3 can be preserved through the heat preservation fixing ring 42 and the heat preservation rock wool 41 inside, the temperature loss is avoided, the energy is saved, and the waste is reduced.
Example III
Referring to fig. 1 and 5, in this embodiment, compared with the second embodiment, the heating cylinder 3 and the blowdown assembly 9 are connected and installed in a threaded rotation manner, and the blowdown assembly 9 is connected to the inner bottom end of the heating cylinder 3, the blowdown assembly 9 includes a filter screen 91, a threaded pipe 92, a fixing nut 93 and a pipe joint 94, the filter screen 91 is disposed at the inner upper end of the pipe joint 94, the threaded pipe 92 is disposed at the top end of the pipe joint 94, the fixing nut 93 is disposed on the periphery of the outer side of the threaded pipe 92, and the threaded pipe 92 is connected to the heating cylinder 3.
Working principle: during installation blowdown subassembly 9, through rotatory screwed pipe 92, make its swivelling joint on heating barrel 3, connect the installation through the mode of screw thread rotation like this, make more convenient in the installation, and follow-up convenient to detach emptys inside impurity, through the fixation nut 93 of screwed pipe 92 upper end a week, can be further consolidate its connectivity, and the pipe connection head 94 is convenient for with outside blowdown piping connection, so that the blowdown is used, and during the use, can filter the interception to the impurity in the sewage through setting up the filter screen 91 between screwed pipe 92 and pipe connection head 94, avoid blockking up the blowdown piping.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (7)
1. The utility model provides a remove carbon heater convenient to installation is fixed, includes heating barrel (3) and explosion-proof terminal box (7), its characterized in that: the utility model discloses a sewage treatment device, including heating barrel (3), explosion-proof terminal box (7), heating barrel (3), support (13), heating barrel (3) and sealing head (9), explosion-proof terminal box (7) are installed and are connected on the top position of heating barrel (3), the left side of explosion-proof terminal box (7) is provided with interior external ground post (12), the inboard of explosion-proof terminal box (7) is located and is provided with electric heating pipe (14) on heating barrel (3), electric heating pipe (14) bottom is located and is provided with radiator unit (6) on heating barrel (3), the junction of heating barrel (3) and electric heating pipe (14) is provided with ring flange (5), the left end of heating barrel (3) is provided with air inlet (11), the right-hand member of heating barrel (3) is provided with gas outlet (1), the upper end of gas outlet (1) is provided with temperature measurement mouth (2), the upper end both sides of heating barrel (3) are provided with insulation component (4), the left side lower extreme of heating barrel (3) is provided with support (13), the upper end is provided with earthing plate (8), the inboard of heating barrel (3) is provided with sealing head (10), lower extreme (10) is provided with sealing head (9).
2. A carbon removal heater for facilitating installation and fixation as defined in claim 1, wherein: the heat dissipation assembly (6) comprises a U-shaped clamping groove (61), a heat dissipation frame (62), openings (63) and heat dissipation fins (64), wherein the U-shaped clamping groove (61) is formed in two sides of the upper end of the heat dissipation frame (62) at equal intervals, the openings (63) are formed in the upper end of the inner side of the heat dissipation frame (62), the heat dissipation fins (64) are arranged on the end face of the bottom end of the heat dissipation frame (62), and the heat dissipation frame (62) is connected to the electric heating pipe (14) through the U-shaped clamping groove (61).
3. A carbon removal heater for facilitating installation and fixation as defined in claim 1, wherein: the heat preservation subassembly (4) is including heat preservation rock wool (41), heat preservation solid fixed ring (42) and rubber packing ring (43), heat preservation solid fixed ring (42) inside is provided with heat preservation rock wool (41), heat preservation solid fixed ring (42) inboard a week is provided with rubber packing ring (43), heat preservation solid fixed ring (42) are connected on heating barrel (3).
4. A carbon removal heater for facilitating installation and fixation as defined in claim 1, wherein: the two heat preservation components (4) are arranged in total, and the heat preservation components (4) are connected to the two sides of the upper end of the heating cylinder body (3).
5. A carbon removal heater for facilitating installation and fixation as defined in claim 1, wherein: the heat dissipation assembly (6) and the electric heating pipe (14) are connected and installed in a clamping mode, and the heat dissipation assembly (6) is connected to the lower end position of the electric heating pipe (14).
6. A carbon removal heater for facilitating installation and fixation as defined in claim 1, wherein: blowdown subassembly (9) are including filter screen (91), screwed pipe (92), fixation nut (93) and pipe connection head (94), pipe connection head (94) inboard upper end is provided with filter screen (91), pipe connection head (94) top is provided with screwed pipe (92), screwed pipe (92) outside a week is provided with fixation nut (93), screwed pipe (92) are connected on heating barrel (3).
7. A carbon removal heater for facilitating installation and fixation as defined in claim 1, wherein: the heating cylinder body (3) and the sewage discharging component (9) are connected and installed in a threaded rotation mode, and the sewage discharging component (9) is connected to the bottom end position of the inner side of the heating cylinder body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321515388.XU CN219999623U (en) | 2023-06-14 | 2023-06-14 | Carbon removal heater convenient to installation is fixed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321515388.XU CN219999623U (en) | 2023-06-14 | 2023-06-14 | Carbon removal heater convenient to installation is fixed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219999623U true CN219999623U (en) | 2023-11-10 |
Family
ID=88605468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321515388.XU Active CN219999623U (en) | 2023-06-14 | 2023-06-14 | Carbon removal heater convenient to installation is fixed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219999623U (en) |
-
2023
- 2023-06-14 CN CN202321515388.XU patent/CN219999623U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219999623U (en) | Carbon removal heater convenient to installation is fixed | |
| CN212085964U (en) | Heat dissipation shell structure of motor | |
| CN210070222U (en) | Heat conduction oil heating equipment | |
| CN207229412U (en) | For being pumped in the pipe of water system | |
| CN201715606U (en) | Connecting and sealing structure for water distributing ports and heating pipes of water distributing/collecting device | |
| CN111578754A (en) | A flat fin heat pipe | |
| CN215489993U (en) | Cast iron radiator with anti-corrosion function | |
| CN214065074U (en) | Solar heating system heat exchange coil connecting device | |
| CN208122956U (en) | A kind of efficient energy vehicle air duct cooling device | |
| CN220383241U (en) | Electric heating shell convenient to disassemble and assemble | |
| KR20090083563A (en) | Head branch pipe connection structure of heat pipe type solar collector | |
| CN112833593A (en) | Oil-gas separator in multifunctional heating and ventilating equipment | |
| CN222772870U (en) | Pipeline internal heating device for pipeline repair | |
| CN205720121U (en) | A kind of thermal desorption pipe ageing processing device | |
| CN220194336U (en) | Detachable high temperature resistant filter | |
| CN216240923U (en) | Radiator convenient to wash | |
| CN211876441U (en) | Air source cold and warm heat pump equipment | |
| CN213302977U (en) | Computer radiator | |
| CN223925537U (en) | A tubular structure resistant to heat deformation | |
| CN216954183U (en) | Cooler convenient to installation is fixed | |
| CN219640735U (en) | Condenser for organic synthetic chemistry | |
| CN2830970Y (en) | Welding-free solar electric heater | |
| CN210861291U (en) | Restaurant lampblack purifier | |
| CN220417696U (en) | Vacuum straight-through solar heat collecting tube convenient to install | |
| CN223593470U (en) | Pneumatic pipe cleaning anti-freezing device for electric road sweeper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |