CN210825895U - Municipal administration mud preparation charcoal pyrolysis processingequipment - Google Patents
Municipal administration mud preparation charcoal pyrolysis processingequipment Download PDFInfo
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- CN210825895U CN210825895U CN201921208763.XU CN201921208763U CN210825895U CN 210825895 U CN210825895 U CN 210825895U CN 201921208763 U CN201921208763 U CN 201921208763U CN 210825895 U CN210825895 U CN 210825895U
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- preheating
- storehouse
- bin
- pyrolysis processing
- pyrolysis
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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Abstract
The utility model discloses a municipal administration mud preparation biochar pyrolysis processingequipment, include pyrolysis processing storehouse, support frame, discharging pipe and preheat the storehouse, the storehouse of preheating is installed to the one end in pyrolysis processing storehouse, and preheats the one end that the storehouse was kept away from pyrolysis processing storehouse and install the cooling storehouse, the water pump is installed to the bottom in cooling storehouse, the input and the cooling storehouse intercommunication of water pump, the central point at preheating storehouse top puts the department and installs a rotating electrical machines, the inside in preheating storehouse is provided with first spiral stirring rake. The utility model discloses the form of the combination is connected by pyrolysis processing storehouse, cooling bin and preheating bin to whole design, and the shared space of each box is less for the occupation space of whole device is less, and the device is provided with discharging pipe and screw conduit, and cooperation cooling bin and water pump have realized processing carbomorphism finished product and have cooled down and municipal sludge preheats the function before discharging from the discharging pipe export.
Description
Technical Field
The utility model relates to a charcoal pyrolysis processing technology field specifically is a municipal sludge preparation charcoal pyrolysis processing device.
Background
Along with the development of society, just need to advance reasonable processing and utilization to some potential resources, municipal sludge is an organic substance that contains a large amount of microorganism and nutrient element, if rationalize processing carbomorphism to this material, just can become and improve soil each item physicochemical index, and then increase crop output, most bulk numbers of current municipal sludge carbomorphism device are great, comparatively occupy the space in production area, the usable energy of device is extravagant serious simultaneously, cause manufacturing cost to improve, and the process majority of the device processing carbomorphism municipal sludge of current device is batch production, can't accomplish the continuation in the production and go on, lead to the low-usage of energy, the efficiency of municipal sludge processing carbomorphism is also lower simultaneously, influence the efficiency to municipal sludge treatment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a municipal sludge preparation charcoal pyrolysis processingequipment to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a charcoal pyrolysis processing device for preparing municipal sludge comprises a pyrolysis processing bin, a support frame, a discharge pipe and a preheating bin, wherein the preheating bin is installed at one end of the pyrolysis processing bin, the preheating bin is far away from one end of the pyrolysis processing bin and is provided with a cooling bin, a water pump is installed at the bottom of the cooling bin, the input end of the water pump is communicated with the cooling bin, a first rotating motor is installed at the central position of the top of the preheating bin, a first spiral stirring paddle is arranged inside the preheating bin, the top of the first spiral stirring paddle penetrates through the preheating bin and is connected with the output end of the first rotating motor, a preheating bin feed inlet is formed in the edge position of the top of the preheating bin, a spiral radiating pipe is arranged on the inner side wall of the preheating bin, one end, located at the top, of the spiral radiating pipe is communicated with the cooling bin, a preheating discharge hole is formed in the bottom of the, the outer side of the preheating bin discharge port is symmetrically provided with sliding chutes, the inner sides of the sliding chutes are inserted with sliding baffles, four groups of preheating pipelines are uniformly arranged in the pyrolysis processing bin, rotating shafts are arranged at two ends of the preheating pipelines, second spiral stirring paddles are arranged on the outer sides of the rotating shafts, one ends of the rotating shafts, far away from the preheating bin, penetrate through the pyrolysis processing bin to be provided with transmission structures, the bottom of the preheating pipelines are alternately provided with semi-arc-shaped electric heating plates, one ends, close to the preheating bin, of the top of the pyrolysis processing bin are provided with nitrogen inlets, a processing bin feed inlet is arranged at a position, close to the nitrogen inlets, of the top of the pyrolysis processing bin, one ends, far away from the preheating bin, of one side of the pyrolysis processing bin are provided with a control panel, a discharge pipe is arranged at the bottom, close, the outside of discharging pipe is provided with the heliciform recess, the outside cover of discharging pipe is equipped with the spiral pipe with heliciform recess matched with, and the one end of spiral pipe and the output intercommunication of water pump, the other end and the spiral cooling tube of spiral pipe are located the one end intercommunication of bottom.
Preferably, transmission structure includes driven gear, driving gear and second rotating electrical machines, the one end that preheating storehouse was kept away from to the axis of rotation passes pyrolysis processing storehouse and installs driven gear, and intermeshing in proper order between the four adjacent groups of driven gear, pyrolysis processing storehouse top is close to driven gear's one end and installs the second rotating electrical machines, the driving gear with adjacent a set of driven gear intermeshing is installed to the output of second rotating electrical machines.
Preferably, the mounting panel is installed to the bottom in preheating storehouse, and the one end that the mounting panel is close to pyrolysis processing storehouse is connected with pyrolysis processing storehouse, the one end in pyrolysis processing storehouse is kept away from at the mounting panel top is connected with the bottom of water pump.
Preferably, one side of the pyrolysis processing bin, which is close to the control panel, is provided with an observation window, and the observation window is positioned between the control panel and the sliding baffle.
Preferably, the horizontal plane included angle between the discharge pipe and the pyrolysis processing bin is 150 degrees, and the outlet of the discharge pipe is in a bevel cutting shape.
Preferably, the support frame is installed at the both ends of bottom, the support frame is U type structure, and the connecting rod is installed to the inboard of support frame, the stabilizer blade is all installed at the both ends of support frame bottom.
Preferably, a lifting handle is installed at the top of the outer side of the sliding baffle, and anti-skidding lines are arranged on the surface of the lifting handle.
Preferably, the control panel is electrically connected with the first rotating motor, the second rotating motor, the water pump and the semi-arc electric heating plate through wires respectively.
Compared with the prior art, the beneficial effects of the utility model are that: the device for preparing the biochar by the municipal sludge through pyrolysis is integrally designed into a form of connecting and combining the pyrolysis processing bin, the cooling bin and the preheating bin, the occupied space of each box body is small, so that the occupied space of the whole device is small, the device is provided with the discharging pipe and the spiral guide pipe, the cooling bin and the water pump are matched to realize the function of cooling before the carbonized finished products are discharged from the outlet of the discharging pipe, meanwhile, the device is also provided with the preheating bin, the spiral radiating pipe is arranged on the inner side wall of the preheating bin, the spiral radiating pipe is matched with the front cooling structure, the carbonized finished products are cooled, the municipal sludge to be added into the pyrolysis processing bin can be preheated by utilizing the absorbed heat, the preheating of the municipal sludge in the preheating bin is improved by matching with the first rotating motor and the first spiral stirring paddle, and simultaneously, the caked municipal sludge can be stirred and smashed, the efficiency of follow-up municipal sludge gets into the inside pyrolysis processing that carries on of pyrolysis processing storehouse is improved, the waste of the energy that also practices thrift to a certain extent, production cost is reduced, and the device is provided with four groups in the inside in pyrolysis processing storehouse and preheats the pipeline internally mounted's axis of rotation and second spiral stirring rake simultaneously, the cooperation preheats the half arc electric heating board of pipeline bottom installation, it goes on in preheating the inside stirring removal of pipeline and pyrolysis processing to have realized municipal sludge, the continuation of municipal sludge pyrolysis processing has also been realized simultaneously and has gone on, the efficiency of production is improved.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a front sectional view of the present invention;
fig. 3 is a right side view of the present invention;
fig. 4 is a left side view of the present invention;
FIG. 5 is a schematic view of a discharge tube of the present invention;
FIG. 6 is an enlarged view of FIG. 1A of the present invention;
fig. 7 is an enlarged view of fig. 2B of the present invention.
In the figure: 1. a feed inlet of the preheating bin; 2. a first rotating electrical machine; 3. a nitrogen inlet; 4. a processing bin feed inlet; 5. an observation window; 6. a pyrolysis processing bin; 7. a second rotating electrical machine; 8. a driving gear; 9. a driven gear; 10. a control panel; 11. a support frame; 12. a support leg; 13. a helical groove; 14. a helical conduit; 15. a discharge pipe; 16. mounting a plate; 17. a cooling bin; 18. preheating a bin; 19. a water pump; 20. a spiral radiating pipe; 21. a first helical mixing propeller; 22. preheating a pipeline; 23. a rotating shaft; 24. a second helical stirring paddle; 25. a semi-arc shaped electric heating plate; 26. a handle; 27. a sliding baffle; 28. a discharge hole of the preheating bin; 29. a chute; 30. a connecting rod; 31. and (5) a transmission structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides an embodiment: a municipal sludge prepared biochar pyrolysis processing device comprises a pyrolysis processing bin 6, a support frame 11, a discharge pipe 15 and a preheating bin 18, wherein the preheating bin 18 is installed at one end of the pyrolysis processing bin 6, a cooling bin 17 is installed at one end, far away from the pyrolysis processing bin 6, of the preheating bin 18, a water pump 19 is installed at the bottom of the cooling bin 17, the water pump 19 is ISGD, the input end of the water pump 19 is communicated with the cooling bin 17, a first rotating motor 2 is installed at the central position of the top of the preheating bin 18, the first rotating motor 2 is Y200L1-2, a first spiral stirring paddle 21 is arranged inside the preheating bin 18, the top of the first spiral stirring paddle 21 penetrates through the preheating bin 18 to be connected with the output end of the first rotating motor 2, a preheating bin feed inlet 1 is arranged at the edge position of the top of the preheating bin 18, and a spiral radiating pipe 20 is arranged on the inner side wall of the preheating bin 18, one end of the spiral radiating pipe 20 positioned at the top is communicated with the cooling bin 17, the bottom of the outer side of the preheating bin 18 is provided with a preheating bin discharge port 28, the outer side of the preheating bin discharge port 28 is symmetrically provided with sliding chutes 29, the inner side of the sliding chutes 29 is inserted with sliding baffles 27, four groups of preheating pipelines 22 are uniformly arranged in the pyrolysis processing bin 6, two ends of each preheating pipeline 22 are provided with rotating shafts 23, the outer side of each rotating shaft 23 is provided with a second spiral stirring paddle 24, one end of each rotating shaft 23 far away from the preheating bin 18 penetrates through the pyrolysis processing bin 6 to be provided with a transmission structure 31, the bottom of each preheating pipeline 22 is provided with semi-arc electric heating plates 25 in a staggered manner, the model of each semi-arc electric heating plate 25 is DH-15-230-TS, one end of the top of the pyrolysis processing bin 6 close to the preheating bin 18 is provided with a nitrogen inlet 3, and, control panel 10 is installed to the one end that preheating bin 18 was kept away from in pyrolysis processing storehouse 6 one side, pyrolysis processing storehouse 6 is close to the bottom of preheating bin 18 one end and installs discharging pipe 15, and discharging pipe 15 and a set of preheating pipe 22 intercommunication of bottommost, the outside of discharging pipe 15 is provided with heliciform recess 13, the outside cover of discharging pipe 15 is equipped with spiral pipe 14 with heliciform recess 13 matched with, and spiral pipe 14's one end and water pump 19's output intercommunication, spiral pipe 14's the other end and the one end intercommunication that spiral cooling tube 20 is located the bottom.
In the embodiment, the transmission structure 31 comprises a driven gear 9, a driving gear 8 and a second rotating motor 7, one end of the rotating shaft 23 far away from the preheating bin 18 penetrates through the pyrolysis processing bin 6 to be provided with the driven gear 9, the four adjacent groups of driven gears 9 are sequentially meshed with each other, one end of the top of the pyrolysis processing bin 6 close to the driven gear 9 is provided with the second rotating motor 7, the model of the second rotating motor 7 is Y355M2-2, the output end of the second rotating motor 7 is provided with the driving gear 8 meshed with the adjacent group of driven gears 9, transmission of the second rotating motor 7 to the four groups of rotating shafts 23 is realized, the bottom of the preheating bin 18 is provided with the mounting plate 16, one end of the mounting plate 16 close to the pyrolysis processing bin 6 is connected with the pyrolysis processing bin 6, one end of the top of the mounting plate 16 far away from the pyrolysis processing bin 6 is connected with the bottom of the water pump 19, and the stability, the pyrolysis processing bin 6 is provided with an observation window 5 at one side close to the control panel 10, the observation window 5 is positioned between the control panel 10 and the sliding baffle 27, so that the carbonization condition of municipal sludge in the four groups of preheating pipelines 22 can be observed conveniently at any time, the horizontal plane included angle between the discharge pipe 15 and the pyrolysis processing bin 6 is 150 degrees, the outlet of the discharge pipe 15 is in a bevel shape, the carbonized finished product is discharged from the outlet of the discharge pipe 15, the two ends of the bottom of the preheating pipeline 6 are provided with the support frames 11, the support frames 11 are in a U-shaped structure, the inner sides of the support frames 11 are provided with the connecting rods 30, the two ends of the bottom of each support frame 11 are provided with the support legs 12, the bearing capacity of the whole device is improved while the whole device is supported, the stability of the device is also improved, the top of the outer side of the sliding, the discharge hole 28 of the preheating bin is opened, and the control panel 10 is electrically connected with the first rotating motor 2, the second rotating motor 7, the water pump 19 and the semi-arc electric heating plate 25 through conducting wires, so that all relevant electric elements can be controlled through the control panel 10.
The working principle is as follows: before use, an external power supply is connected, the nitrogen inlet 3 is firstly communicated with an external nitrogen source, nitrogen is injected into the preheating pipeline 22, the content of oxygen in the preheating pipeline 22 is reduced to a certain extent, then the second rotating motor 7 is controlled to start rotating through the control panel 10, the second rotating motor 7 drives the rotating shaft 23 and the second spiral stirring paddle 24 on the outer side of the rotating shaft 23 through the mutual matching of the driving gear 8 and the driven gear 9, at the moment, the feeding port 4 of the processing bin is opened, the non-preheated municipal sludge is placed into the group of preheating pipelines 22 at the highest position from the feeding port 4 of the processing bin, the control panel 10 controls the semi-arc electric heating plates 25 to start heating, and as the three groups of semi-arc electric heating plates 25 are in a staggered state in the pyrolysis processing bin 6, the moving tracks of the municipal sludge in the four groups of preheating pipelines 22 are in an S-shaped structure, the residence time of the municipal sludge in the pyrolysis processing bin 6 is long enough to ensure the pyrolysis processing effect, the heat generated by the semi-arc-shaped electric heating plate 25 can be fully utilized, the municipal sludge pyrolysis processing continuity is realized, when the municipal sludge is heated and carbonized in the four groups of preheating pipelines 22 and is about to enter the discharge pipe 15, the control panel 10 controls the water pump 19 to start working, the working of the water pump 19 drives the flow of the cooling liquid in the spiral guide pipe 14, the heat is transferred to the discharge pipe 15 in the process that the carbonized finished product enters the discharge pipe 15 and slides towards the outlet of the discharge pipe 15, the spiral guide pipe 14 sleeved on the outer side of the discharge pipe 15 is matched with the cooling liquid flowing in the spiral guide pipe 14 to absorb the heat, the heat enters the spiral radiating pipe 20 and returns to the inside of the cooling bin 17, and then the cooling bin 17 flows to the inside of the spiral guide pipe 14 through the water pump 19, with the circulation, municipal sludge to be added into the pyrolysis processing bin 6 can be added into the preheating bin 18 from the preheating bin feed inlet 1, the first rotating motor 2 is controlled to rotate through the control panel 10, the first rotating motor 2 drives the first spiral stirring paddle 21 to rotate, the first spiral stirring paddle 21 stirs the municipal sludge in the preheating bin 18, so that the municipal sludge can fully absorb heat of cooling liquid in the spiral radiating pipe 20, stirring and crushing of the municipal sludge agglomerated in the preheating bin 18 are realized, when the municipal sludge in the preheating bin 18 is preheated enough, the lifting handle 26 is manually lifted, the preheating bin discharge outlet 28 is opened, the preheated municipal sludge can be discharged from the preheating bin discharge outlet 28, a box body containing related substances is used for receiving the municipal sludge discharged from the preheating bin discharge outlet 28, and then the sliding baffle 27 is manually pressed down, close and preheat storehouse discharge gate 28, put into first group from processing storehouse feed inlet 4 municipal sludge this time and preheat inside pipeline 22 immediately, and continue to put into preheating storehouse 18 with municipal sludge that does not preheat in preheating, repeat above-mentioned operation process, when just making municipal sludge pyrolysis processing, can in time cool down the treatment to the finished product of output again, and can absorb the heat with cooling down again and carry out preheating treatment to municipal sludge, the maximize utilization of municipal sludge continuation nature processing and the energy has been realized.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a municipal administration mud preparation charcoal pyrolysis processingequipment, includes pyrolysis processing storehouse (6), support frame (11), discharging pipe (15) and preheats storehouse (18), its characterized in that: preheating bin (18) is installed to the one end in pyrolysis processing storehouse (6), and preheats the one end that pyrolysis processing storehouse (6) was kept away from in storehouse (18) and install cooling bin (17), water pump (19) is installed to the bottom in cooling bin (17), the input and the cooling bin (17) intercommunication of water pump (19), central point department of putting at preheating bin (18) top installs first rotating electrical machines (2), the inside in preheating bin (18) is provided with first spiral stirring rake (21), and the top of first spiral stirring rake (21) is passed preheating bin (18) and is connected with the output of first rotating electrical machines (2), the border position department at preheating bin (18) top is provided with preheating bin feed inlet (1), the inside wall in preheating bin (18) is provided with spiral cooling tube (20), and spiral cooling tube (20) are located the one end and the cooling bin (17) intercommunication at top, the preheating device is characterized in that a preheating bin discharge hole (28) is formed in the bottom of the outer side of the preheating bin (18), sliding chutes (29) are symmetrically formed in the outer side of the preheating bin discharge hole (28), sliding baffles (27) are inserted into the inner side of each sliding chute (29), four groups of preheating pipelines (22) are uniformly arranged in the pyrolysis processing bin (6), the bottom of the tail end of each group of preheating pipelines (22) is communicated with the top of the initial end of the next group of preheating pipelines (22), rotating shafts (23) are installed at the two ends of each preheating pipeline (22), second spiral stirring paddles (24) are arranged on the outer sides of the rotating shafts (23), one ends, far away from the preheating bin (18), of the rotating shafts (23 penetrate through the pyrolysis processing bin (6) to be provided with transmission structures (31), semi-arc-shaped electric heating plates (25) are arranged at the bottom of the preheating pipelines (22) in a staggered mode, and a nitrogen inlet (3) is formed in one, pyrolysis processing storehouse (6) top is close to position department of nitrogen gas import (3) and is provided with processing storehouse feed inlet (4), control panel (10) are installed to the one end that preheating storehouse (18) was kept away from in pyrolysis processing storehouse (6) one side, discharging pipe (15) are installed to the bottom that pyrolysis processing storehouse (6) are close to preheating storehouse (18) one end, and discharging pipe (15) and a set of preheating pipe (22) intercommunication of bottommost, the outside of discharging pipe (15) is provided with heliciform recess (13), the outside cover of discharging pipe (15) is equipped with spiral pipe (14) with heliciform recess (13) matched with, and the one end of spiral pipe (14) and the output intercommunication of water pump (19), the other end and the spiral cooling pipe (20) of spiral pipe (14) are located the one end intercommunication of bottom.
2. The municipal sludge-preparation biochar pyrolysis processing device according to claim 1, which is characterized in that: drive structure (31) include driven gear (9), driving gear (8) and second rotating electrical machines (7), the one end that preheating storehouse (18) was kept away from in axis of rotation (23) passes pyrolysis processing storehouse (6) and installs driven gear (9), and intermeshing in proper order between adjacent four sets of driven gear (9), pyrolysis processing storehouse (6) top is close to the one end of driven gear (9) and installs second rotating electrical machines (7), driving gear (8) with adjacent a set of driven gear (9) intermeshing are installed to the output of second rotating electrical machines (7).
3. The municipal sludge-preparation biochar pyrolysis processing device according to claim 1, which is characterized in that: mounting panel (16) are installed to the bottom in preheating storehouse (18), and mounting panel (16) are close to the one end in pyrolysis processing storehouse (6) and are connected with pyrolysis processing storehouse (6), the one end that pyrolysis processing storehouse (6) was kept away from at mounting panel (16) top is connected with the bottom of water pump (19).
4. The municipal sludge-preparation biochar pyrolysis processing device according to claim 1, which is characterized in that: pyrolysis processing storehouse (6) are close to control panel (10) one side and are provided with observation window (5), and observation window (5) are located between control panel (10) and slide damper (27).
5. The municipal sludge-preparation biochar pyrolysis processing device according to claim 1, which is characterized in that: the included angle between the discharge pipe (15) and the bottom of the pyrolysis processing bin (6) is 150 degrees, and the outlet of the discharge pipe (15) is in a bevel cutting shape.
6. The municipal sludge-preparation biochar pyrolysis processing device according to claim 1, which is characterized in that: support frame (11) are installed at the both ends of pyrolysis processing storehouse (6) bottom, support frame (11) are U type structure, and connecting rod (30) are installed to the inboard of support frame (11), stabilizer blade (12) are all installed at the both ends of support frame (11) bottom.
7. The municipal sludge-preparation biochar pyrolysis processing device according to claim 1, which is characterized in that: a lifting handle (26) is installed at the top of the outer side of the sliding baffle (27), and anti-skidding grains are arranged on the surface of the lifting handle (26).
8. The municipal sludge-preparation biochar pyrolysis processing device according to claim 1, which is characterized in that: the control panel (10) is electrically connected with the first rotating motor (2), the second rotating motor (7), the water pump (19) and the semi-arc electric heating plate (25) through leads respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921208763.XU CN210825895U (en) | 2019-07-30 | 2019-07-30 | Municipal administration mud preparation charcoal pyrolysis processingequipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921208763.XU CN210825895U (en) | 2019-07-30 | 2019-07-30 | Municipal administration mud preparation charcoal pyrolysis processingequipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210825895U true CN210825895U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921208763.XU Expired - Fee Related CN210825895U (en) | 2019-07-30 | 2019-07-30 | Municipal administration mud preparation charcoal pyrolysis processingequipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN210825895U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116474726A (en) * | 2023-05-16 | 2023-07-25 | 北京沃太斯环保科技发展有限公司 | Biochar device for repairing heavy metal contaminated soil |
| CN118080057A (en) * | 2024-04-26 | 2024-05-28 | 南通一建集团有限公司 | Fine sand preparation facilities for building |
-
2019
- 2019-07-30 CN CN201921208763.XU patent/CN210825895U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116474726A (en) * | 2023-05-16 | 2023-07-25 | 北京沃太斯环保科技发展有限公司 | Biochar device for repairing heavy metal contaminated soil |
| CN116474726B (en) * | 2023-05-16 | 2024-01-02 | 北京沃太斯环保科技发展有限公司 | Biochar device for repairing heavy metal contaminated soil |
| CN118080057A (en) * | 2024-04-26 | 2024-05-28 | 南通一建集团有限公司 | Fine sand preparation facilities for building |
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