CN115817322A - Be applied to conveyer of green sponge biological detention area construction - Google Patents
Be applied to conveyer of green sponge biological detention area construction Download PDFInfo
- Publication number
- CN115817322A CN115817322A CN202310104717.XA CN202310104717A CN115817322A CN 115817322 A CN115817322 A CN 115817322A CN 202310104717 A CN202310104717 A CN 202310104717A CN 115817322 A CN115817322 A CN 115817322A
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- hopper
- construction
- shell
- column
- sieve
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000009301 bioretention Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims 5
- 239000004576 sand Substances 0.000 abstract description 14
- 230000032258 transport Effects 0.000 description 30
- 238000000034 method Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- -1 flexible hose Substances 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Abstract
The invention belongs to the field of sand transport vehicles, and particularly relates to a transport device applied to construction of a green sponge bioretention belt, which comprises a transport vehicle, wherein a shell is arranged on the transport vehicle, a plurality of hoppers are arranged in the shell side by side, a transport device is arranged below the hoppers, the transport device extends out of the shell, a fixed column is detachably connected with the hoppers, a rotating column is rotatably arranged in the fixed column, a first sieve mesh is arranged on the fixed column, a second sieve mesh matched with the first sieve mesh is arranged on the rotating column, and the rotating column is connected with a driving device and used for driving the rotating column to rotate, so that the first sieve mesh and the second sieve mesh are distributed in a staggered mode or distributed in a superposed mode.
Description
Technical Field
The invention belongs to the field of sand and stone transport vehicles, and particularly relates to a transport device applied to construction of a green sponge bioretention zone.
Background
Sponge city is the urban rainfall flood management notion of new generation, means the city can be like the sponge, has good elasticity in the aspect of the natural disasters that adaptation environmental change and should bring to the rainwater, in order to respond the theory of green sponge, prior art has designed the biological detention facility to the rainwater drainage problem, and the biological detention facility means holds the facility of oozing, purifying the runoff rainwater through plant, soil and microbial system in the region that the relief is lower.
At present, a biological retention facility, such as a biological retention belt, is constructed, a foundation pit is usually dug out first, gravels of different levels, such as coarse sand, fine sand and the like, are buried after geotextile is laid, the gravels are usually transported to a construction site from a gravels storage place through a transport vehicle, but because a single bucket or a warehouse is usually arranged at the rear part of the current transport vehicle, in order to avoid the problem that the gravels of different particle sizes are mixed, the gravels cannot be uniformly loaded on the transport vehicle, batch transportation is needed, the transport vehicle needs to go back and forth for multiple times, the construction period and the transportation period are prolonged, and during blanking, the transport vehicle usually opens a door, the gravels fall down, and thus complete blanking cannot be achieved, and tools such as a shovel and the like are needed to carry out blanking manually, and the gravels in the warehouse are completely discharged.
Disclosure of Invention
The invention aims to provide a transportation device applied to construction of a green sponge bioretention belt, which aims to solve the problems in the prior art and adopts the technical scheme that:
the transportation device applied to construction of the green sponge bioretention belt comprises a transportation vehicle, wherein a shell is arranged on the transportation vehicle, a plurality of hoppers are arranged in the shell side by side, a conveying device is arranged below the plurality of hoppers, and the conveying device extends out of the shell;
the feeding mechanisms are respectively arranged in the plurality of hoppers and comprise hollow fixed columns and rotating columns, the fixed columns are detachably connected with the hoppers, the rotating columns are rotatably arranged in the fixed columns, first sieve holes are formed in the fixed columns, second sieve holes matched with the first sieve holes are formed in the rotating columns, so that materials in the hoppers can penetrate through the first sieve holes and the second sieve holes to enter the rotating columns, the hoppers extend out of the bottoms of the fixed columns and are used for feeding the output materials to the conveying device, and the rotating columns are connected with a driving device and are used for driving the rotating columns to rotate, so that the first sieve holes and the second sieve holes are distributed in a staggered mode or distributed in a superposed mode.
Furthermore, the fixed column and the rotating column are both vertically arranged, a through hole matched with the fixed column is formed in the bottom of the hopper, the bottom of the fixed column penetrates through the through hole, a connecting ring is sleeved at the bottom of the fixed column and detachably connected with the fixed column, and the connecting ring is fixedly connected with the bottom of the hopper.
Furthermore, the first sieve mesh and the second sieve mesh are vertically distributed strip-shaped holes, and a plurality of sieve meshes are distributed on the circumferential direction of the rotating column.
Further, drive arrangement is the motor, the connection apron can be dismantled at the rotating column top, apron fixed connection the axis of rotation of motor, the motor is installed on the mounting panel, the connection can be dismantled to the mounting panel at the top of fixed column.
Further, a supporting seat is arranged below the hopper and supports the hopper, and the supporting seat is detachably connected with the shell.
Furthermore, an opening is formed in the top of the shell, the top of the hopper extends out of the shell, and a lifting hook is arranged on the top of the hopper.
Further, the casing includes preceding baffle and backplate, preceding baffle with the backplate sets up side by side, and the connection can be dismantled to the two bottom on the transport vechicle, preceding baffle with the connection can be dismantled through the curb plate respectively in backplate both ends, preceding baffle the backplate with the curb plate forms "mouth" font structure jointly, preceding baffle with set up a plurality of baffles between the backplate, thereby will preceding baffle with part between the backplate divide into a plurality of cavities, is provided with respectively in every cavity the hopper, the baffle with the connection can be dismantled to the curb plate, the backplate is provided with and is used for the first opening that conveyor extends, be provided with on the baffle and be used for the second opening that conveyor passed.
Furthermore, the conveying device is a conveying belt, one end of the conveying device, extending out of the shell, is a discharging end, a collecting hopper is arranged right below the discharging end, and the collecting hopper is fixed at the tail of the transport vehicle.
Furthermore, the bottom of the collecting hopper is communicated with a blanking pipe, and the blanking pipe faces to the transverse direction of the transport vehicle.
The invention has the following beneficial effects: compared with the prior art, the sand-gravel conveying device can convey sand-gravel with different particle sizes on one conveying vehicle in a centralized mode, avoids mixing of the sand-gravel, can output the sand-gravel in different hoppers when the sand-gravel is conveyed to a construction site of the bioretention zone, and is suitable for the requirements of the sand-gravel with different particle sizes required by construction of the bioretention zone.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the hopper;
fig. 3 is a schematic view of the distribution relationship between the first and second sieve holes, wherein (a) is when the first and second sieve holes are overlapped, and (b) is when the first and second sieve holes are staggered;
FIG. 4 is a schematic top view of the housing;
FIG. 5 is a rear view of the transport vehicle;
in the figure: 1-transport vehicle, 2-rear baffle, 201-first opening, 3-front baffle, 4-baffle, 401-second opening, 5-hopper, 501-supporting seat, 6-connecting ring, 7-fixed column, 701-first sieve hole, 8-rotating column, 801-second sieve hole, 9-motor, 10-mounting plate, 11-cover plate, 12-conveying device, 13-collecting hopper, 14-discharging pipe and 15-side plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 5 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and unless otherwise specified, the technical means used in the embodiments are conventional means well known to those skilled in the art.
Referring to fig. 1, a transportation device applied to construction of a green sponge bioretention zone comprises a transportation vehicle 1, wherein a shell is arranged on the transportation vehicle 1, a plurality of hoppers 5 are arranged in the shell side by side, a transportation device 12 is arranged below the plurality of hoppers 5, and the transportation device 12 extends out of the shell;
the material discharging mechanisms are respectively arranged in the plurality of hoppers 5 and comprise hollow fixed columns 7 and hollow rotating columns 8, the fixed columns 7 are detachably connected with the hoppers 5, the rotating columns 8 are rotatably arranged in the fixed columns 7, first sieve holes 701 are formed in the fixed columns 7, second sieve holes 801 matched with the first sieve holes 701 are formed in the rotating columns 8, materials in the hoppers 5 penetrate through the first sieve holes 701 and the second sieve holes 801 to enter the rotating columns 8, the hoppers 5 extend out of the bottoms of the fixed columns 7 and are used for feeding the materials to the conveying device 12 from the output materials, and the rotating columns 8 are connected with a driving device and are used for driving the rotating columns 8 to rotate, so that the first sieve holes 701 and the second sieve holes 801 are distributed in a staggered mode or distributed in a superposed mode.
Specifically, transport vechicle 1 is prior art, can be the structure of flat transport vechicle, and its rear flat board carries the thing part and sets up the casing, the bottom of hopper 5 with be unsettled setting, and conveyor 12 between the clearance set up, hopper 5 distributes along 1 car length direction of transport vechicle a plurality ofly to along conveyor 12's output direction, conveyor 12 is prior art, can be the conveyer belt, its one end towards 1 afterbody of transport vechicle extends the casing, thereby realizes the function of unloading.
The fixed column 7 and the rotating column 8 are vertically arranged, and are both of hollow cylindrical structures, the two are located at the center of the hopper 5, when the rotating column 8 rotates until the first sieve hole 701 and the second sieve hole 801 coincide, as shown in (a) in fig. 3, sand in the hopper can enter the rotating column 8 through the first sieve hole 701 and the second sieve hole 801, and then moves downwards, and drops on the conveying device 12 to be conveyed out of the transport vehicle 1, when the first sieve hole 701 and the second sieve hole 801 are staggered, as shown in (b) in fig. 3, the first sieve hole 701 and the second sieve hole 801 are staggered, the first sieve hole 701 is partially blocked by the outer peripheral surface of the rotating column 8, so that the size of the first sieve hole 701 is reduced, the size of the first sieve hole 701 can be adjusted by controlling the rotation amount of the rotating column 8, thereby achieving the purpose of screening, when the sand smaller than the size of the blocked first sieve hole 701 enters the rotating column 8 to be output, when the sand is not good in quality and the hopper 5 is distributed in different particle sizes, or when the hopper 5 is stored, the hopper can completely pass through the rotating process of the rotating sieve hole 701, and the first sieve hole 701, when the rotating column rotates, the blanking process, thereby achieving the purpose of the blanking of the hopper 5.
During the concrete implementation, according to the construction demand in biological detention area, make clear and definite required grit class, then in different hoppers 5 are fed to respectively with the grit of different particle sizes, later transport vechicle 1 transports the grit to the job site in biological detention area, according to the construction procedure, with the grit of different particle sizes, the grit in different hoppers 5 is separately exported promptly, later lay the grit in the construction foundation ditch, form coarse sand layer, fine sand layer, gravel layer etc. in biological detention area.
Compared with the prior art, the sand-gravel conveying device can convey sand-gravel with different particle sizes on one conveying vehicle 1 in a centralized mode, avoids mixing of the sand-gravel, can output the sand-gravel in different hoppers 5 when the sand-gravel is conveyed to a construction site of the bioretention zone, and is suitable for the requirements of the sand-gravel with different particle sizes required by construction of the bioretention zone.
Referring to fig. 1 to 3, the specific structure of the fixed post 7 and the rotating post 8 is explained below:
further, the fixed column 7 and the rotating column 8 are both vertically arranged, a through hole matched with the fixed column 7 is formed in the bottom of the hopper 5, the bottom of the fixed column 7 penetrates through the through hole, a connecting ring 6 is sleeved at the bottom of the fixed column 7, the connecting ring 6 is detachably connected with the fixed column 7, and the connecting ring 6 is fixedly connected with the bottom of the hopper 5.
Specifically, the connecting ring 6 is annular, the connecting ring and the fixed column 7 can be detachably connected through threads, screws and the like, the top of the connecting ring 6 is fixedly connected with the bottom of the hopper 5, the hollow part of the connecting ring is matched and communicated with the through hole, the hopper 5 can be in various structures such as round and square structures, the hopper 5 is preferably square, and the lower part of the hopper is in an inclined structure, so that sand and stone can be conveniently output.
Further, the first sieve hole 701 and the second sieve hole 801 are both vertically distributed strip-shaped holes, and a plurality of the first sieve hole 701 and the second sieve hole 801 are distributed in the circumferential direction of the rotating column 8.
Specifically, the first sieve holes 701 and the second sieve holes 801 are uniformly distributed around the circumference of the rotating column 8, and are in an annular array structure, and the length directions of the strip-shaped hole structures of the first sieve holes 701 and the second sieve holes 801 are distributed in the vertical direction.
Further, drive arrangement is motor 9, 8 tops on the rotation post can be dismantled and connect apron 11, 11 fixed connection of apron the axis of rotation of motor 9, motor 9 installs on mounting panel 10, mounting panel 10 can be dismantled and be connected the top of fixed column 7.
Specifically, the mounting plate 10 can be detachably connected to the top of the fixing column 7 through screws, threads and the like to cover the top of the fixing column 7, the cover plate 11 can be detachably connected to the top of the rotating column 8 through screws, threads and the like, the motor 9 is preferably a servo motor to control the rotation amount, the motor 9 can be connected to a vehicle body power supply of the transport vehicle 1, and an additional special storage battery can be configured on the transport vehicle 1.
Further, a supporting seat 501 is arranged below the hopper 5, the hopper 5 is supported by the supporting seat 501, and the supporting seat 501 is detachably connected with the shell.
Specifically, the supporting seat 501 is used for supporting the hopper 5, the supporting seat 501 may be an annular structure, the fixing column 7 is disposed concentrically with the supporting seat 501, and the bottom of the fixing column 7 extends out of the hollow portion of the supporting seat 501.
Furthermore, the top of the shell is provided with an opening, the top of the hopper 5 extends out of the shell, and the top of the hopper 5 is provided with a lifting hook.
Specifically, hopper 5 is from last to placing in the casing down, and the lifting hook is prior art, can connect corresponding hoist, for example crane etc. and in the concrete implementation process, can hang out the casing with hopper 5, so at the material loading in-process, can load the grit in hopper 5 in advance, and unified hoist is to transport vechicle 1 again on, can shorten the transportation cycle when making things convenient for the material loading in the time to also conveniently take off hopper 5 and maintain the repair.
Referring to fig. 1 and 4, the following describes a specific structure of the housing:
further, the casing includes preceding baffle 3 and backplate 2, preceding baffle 3 with backplate 2 sets up side by side, and the connection can be dismantled to the two bottom on transport vechicle 1, preceding baffle 3 with backplate 2 both ends are dismantled through curb plate 15 respectively and are connected, preceding baffle 3 backplate 2 with curb plate 15 forms "mouth" font structure jointly, preceding baffle 3 with set up a plurality of baffles 4 between the backplate 2, thereby will preceding baffle 3 with part between the backplate 2 divide into a plurality of cavities, is provided with respectively in every cavity hopper 5, baffle 4 with curb plate 15 can dismantle the connection, backplate 2 is provided with and is used for the first opening 201 that conveyor 12 extends, be provided with on the baffle 4 and be used for second opening 401 that conveyor 12 passed.
Two curb plates 15 are connected with backplate 2 both ends accessible screw's mode to preceding baffle 3, form the square frame structure of "mouth" font jointly, baffle 4 and preceding, backplate parallel arrangement, accessible screw's mode is connected between baffle 4 and the curb plate 15, and first opening 201 and second opening 401 are the rectangle square hole structure to conveyor 12 passes.
The present invention preferably provides two hoppers 5 to be loaded with coarse sand and fine sand correspondingly, and thus one partition 4 is provided.
Referring to fig. 1 and 5, the following describes a specific structure of the transport device 12:
further, the conveying device 12 is a conveying belt, one end of the conveying device, which extends out of the shell, is a discharging end, a collecting hopper 13 is arranged right below the discharging end, and the collecting hopper 13 is fixed at the tail part of the transport vehicle 1.
Further, the bottom of the collecting hopper 13 is communicated with a blanking pipe 14, and the blanking pipe 14 faces to the transverse direction of the transport vehicle 1.
The conveyer belt is prior art, band conveyer promptly, the striker plate is set up to its both sides, a plurality of bottoms that rotate post 8 are located directly over the conveyer belt, and for between the striker plate of both sides, in order to avoid the material to fall out, the conveyer belt transports the grit and inputs collection fill 13 in, unloading pipe 14 can slope setting, thereby the material passes through unloading pipe 14 output, unloading pipe 14 can be materials such as flexible hose, metal hard tube, it is towards 1 side of transport vechicle, transverse output material promptly.
In the concrete implementation process, transport vechicle 1 traveles on the length direction along the biological detention area, and in the construction foundation ditch with 14 output end orientation biological detention areas of unloading, thereby at transport vechicle 1 the in-process of traveling, lay the grit along the length direction of biological detention area, according to construction process, transport vechicle 1 makes a round trip to travel, lay the fine sand layer in proper order, coarse sand layer is to the foundation ditch in, thereby can realize being convenient for directly the purpose of unloading in the construction foundation ditch, in order to reduce artifical input.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various changes, modifications, alterations, and substitutions which may be made by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.
Claims (9)
1. The utility model provides a be applied to conveyer of green sponge biological detention area construction, includes transport vechicle (1), its characterized in that: the transport vehicle (1) is provided with a shell, a plurality of hoppers (5) are arranged in the shell side by side, a conveying device (12) is arranged below the plurality of hoppers (5), and the conveying device (12) extends out of the shell;
the material discharging mechanisms are respectively arranged in the plurality of hoppers (5), each material discharging mechanism comprises a hollow fixed column (7) and a hollow rotating column (8), the fixed column (7) is detachably connected with the hopper (5), the rotating columns (8) are rotatably arranged in the fixed columns (7), first sieve holes (701) are formed in the fixed columns (7), second sieve holes (801) matched with the first sieve holes (701) are formed in the rotating columns (8), so that materials in the hoppers (5) pass through the first sieve holes (701) and the second sieve holes (801) to enter the rotating columns (8), the bottoms of the fixed columns (7) extend out of the hoppers (5) and are used for feeding the materials to the conveying device (12) from the output materials, and the rotating columns (8) are connected with a driving device and are used for driving the rotating columns (8) to rotate, so that the first sieve holes (701) and the second sieve holes (801) are distributed in a staggered mode or in a superposed mode.
2. The transportation device applied to construction of the green sponge bioretention belt according to claim 1, characterized in that: the fixing column (7) and the rotating column (8) are both vertically arranged, a through hole matched with the fixing column (7) is formed in the bottom of the hopper (5), the bottom of the fixing column (7) penetrates through the through hole, a connecting ring (6) is sleeved at the bottom of the fixing column (7), the connecting ring (6) is detachably connected with the fixing column (7), and the connecting ring (6) is fixedly connected with the bottom of the hopper (5).
3. The transportation device applied to construction of the green sponge bioretention belt according to the claim 1, characterized in that: the first sieve pore (701) and the second sieve pore (801) are both vertically distributed strip-shaped pores, and a plurality of first sieve pores (701) and a plurality of second sieve pores (801) are distributed in the circumferential direction of the rotating column (8).
4. The transportation device applied to construction of the green sponge bioretention belt according to claim 1, characterized in that: the driving device is a motor (9), the top of the rotating column (8) is detachably connected with a cover plate (11), the cover plate (11) is fixedly connected with a rotating shaft of the motor (9), the motor (9) is installed on a mounting plate (10), and the mounting plate (10) is detachably connected with the top of the fixing column (7).
5. The transportation device applied to construction of the green sponge bioretention belt according to claim 1, characterized in that: the hopper is characterized in that a supporting seat (501) is arranged below the hopper (5), the hopper (5) is supported by the supporting seat (501), and the supporting seat (501) is detachably connected with the shell.
6. The transportation device applied to construction of the green sponge bioretention belt according to claim 1, characterized in that: the top of the shell is provided with an opening, the top of the hopper (5) extends out of the shell, and the top of the hopper (5) is provided with a lifting hook.
7. The transportation device applied to construction of the green sponge bioretention belt according to claim 1, characterized in that: the shell comprises a front baffle (3) and a rear baffle (2), the front baffle (3) and the rear baffle (2) are arranged side by side, the bottoms of the front baffle and the rear baffle are detachably connected on the transport vehicle (1), the front baffle (3) and the two ends of the rear baffle (2) are detachably connected through side plates (15), the front baffle (3), the rear baffle (2) and the side plates (15) jointly form a structure shaped like a Chinese character 'kou', a plurality of partition plates (4) are arranged between the front baffle (3) and the rear baffle (2), so that the front baffle (3) and the part between the rear baffle (2) are divided into a plurality of chambers, each chamber is internally provided with a hopper (5), each partition plate (4) is detachably connected with the side plates (15), the rear baffle (2) is provided with a first opening (201) for extending out of the conveying device (12), and a second opening (401) for the conveying device (12) to pass through is arranged on each partition plate (4).
8. The transportation device applied to construction of the green sponge bioretention belt according to claim 1, characterized in that: the conveying device (12) is a conveying belt, one end of the conveying device, extending out of the shell, is a discharging end, a collecting hopper (13) is arranged right below the discharging end, and the collecting hopper (13) is fixed at the tail of the transport vehicle (1).
9. The transportation device applied to construction of the green sponge bioretention belt according to claim 8, wherein: the bottom of the collecting hopper (13) is communicated with a blanking pipe (14), and the blanking pipe (14) faces to the transverse direction of the transport vehicle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310104717.XA CN115817322A (en) | 2023-02-13 | 2023-02-13 | Be applied to conveyer of green sponge biological detention area construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310104717.XA CN115817322A (en) | 2023-02-13 | 2023-02-13 | Be applied to conveyer of green sponge biological detention area construction |
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| CN115817322A true CN115817322A (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310104717.XA Pending CN115817322A (en) | 2023-02-13 | 2023-02-13 | Be applied to conveyer of green sponge biological detention area construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116091283A (en) * | 2023-04-10 | 2023-05-09 | 成都建工第三建筑工程有限公司 | Building full life cycle carbon emission accounting method and system |
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