CN220745673U - Quantitative dosing device for sludge treatment - Google Patents
Quantitative dosing device for sludge treatment Download PDFInfo
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- CN220745673U CN220745673U CN202322371360.XU CN202322371360U CN220745673U CN 220745673 U CN220745673 U CN 220745673U CN 202322371360 U CN202322371360 U CN 202322371360U CN 220745673 U CN220745673 U CN 220745673U
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- speed reducer
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- 239000010802 sludge Substances 0.000 title claims abstract description 61
- 238000003756 stirring Methods 0.000 claims abstract description 65
- 239000003814 drug Substances 0.000 claims abstract description 45
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000005507 spraying Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 12
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008676 import Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model relates to the technical field of sludge treatment, in particular to a quantitative dosing device for sludge treatment, which can lead a medicament to be dispersed and led into sludge in a sludge tank by arranging the device, thereby improving the use effect of the medicament and the mixing efficiency of the medicament and the sludge; including mud pond, the roof, the motor, the speed reducer, the stirring frame, the (mixing) shaft, the medicament case, quantitative pump and dosing mechanism, the left side and the right side on mud pond top are installed to the roof, motor and speed reducer are all installed on roof top right side, the motor output is connected with the speed reducer input, dosing mechanism is connected with (mixing) shaft, speed reducer output and quantitative pump output respectively, dosing mechanism includes the box, the connecting pipe, the collar, first sealing washer, two sets of spouts the material pipe, drive mechanism and coupling assembling, drive mechanism installs on (mixing) shaft upper portion, drive mechanism is connected with the speed reducer output.
Description
Technical Field
The utility model relates to the technical field of sludge treatment, in particular to a quantitative dosing device for sludge treatment.
Background
The sludge treatment is carried out on the sludge in the processes of concentration, tempering, dehydration, stabilization, desiccation or incineration and the like, and the process of reduction, stabilization and innocuity is carried out, the sludge is required to be quantitatively dosed in the sludge treatment process, the agent is added to flocculate the sludge, the flocculated sludge is in a luxuriant state, and then enters a dehydration main shaft to be dehydrated so as to be well, and if the sludge is not flocculated, solid impurities in the sewage can flow away along gaps in a dynamic ring sheet.
The existing quantitative dosing device for sludge treatment quantitatively inputs the medicament into the sludge tank through the quantitative pump, but the area of the quantitative pump input into the sludge tank is unevenly dispersed, so that the use effect of the medicament is poor, and the mixing efficiency of the medicament and the sludge is low.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a quantitative dosing device for sludge treatment, which can lead a medicament to be dispersed and led into sludge in a sludge pond by arranging the device, thereby improving the use effect of the medicament and the mixing efficiency of the medicament and the sludge.
The utility model relates to a quantitative dosing device for sludge treatment, which comprises a sludge tank, a top plate, a motor, a speed reducer, a stirring frame, a stirring shaft, a medicament box, a dosing pump and a dosing mechanism, wherein the top plate is arranged on the left side and the right side of the top end of the sludge tank, the motor and the speed reducer are both arranged on the right side of the top end of the top plate, the output end of the motor is connected with the input end of the speed reducer, the stirring frame is arranged at the lower part of the stirring shaft in the sludge tank, the bottom end of the stirring shaft is connected with a bearing at the inner bottom end of the sludge tank, the middle part of the top plate is communicated with a perforation, the top end of the stirring shaft penetrates through the perforation of the top plate and extends to the upper side of the top plate, the stirring shaft is rotationally connected with the perforation of the top plate, the medicament box and the dosing pump are both arranged on the left side of the top end of the top plate, the medicament box is arranged in the medicament box, the dosing mechanism is arranged on the top end of the top plate, the dosing mechanism is respectively connected with the stirring shaft, the output end of the speed reducer and the dosing pump output end, the dosing mechanism comprises a box body, a connecting pipe, a mounting ring, a first sealing ring, two groups of spraying pipes, a transmission mechanism and a connecting component, wherein the box body is arranged in the middle of the top end of a top plate through two groups of mounting plates, a cavity is arranged in the box body, the output end of a dosing pump is communicated with the left end of the box body, the connecting pipe is arranged at the top end of a stirring shaft, the upper part of the stirring shaft is provided with a feeding groove, the connecting pipe is communicated with the feeding groove of the stirring shaft, the bottom end of the box body is communicated with an opening, the connecting pipe is inserted into the opening of the box body and communicated with the box body, the mounting ring is arranged at the bottom end of the box body, the mounting ring is internally provided with the mounting groove, the first sealing ring is tightly attached to the connecting pipe in a sealing way, the two groups of spraying pipes are arranged at the upper part of the stirring shaft and communicated with the feeding groove through the connecting component, the transmission mechanism is arranged at the upper part of the stirring shaft, the transmission mechanism is connected with the output end of the speed reducer.
The utility model relates to a quantitative dosing device for sludge treatment, which comprises a worm wheel, a worm and a fixed plate, wherein the worm wheel is arranged at the upper part of a stirring shaft and meshed with the worm, the fixed plate is arranged at the rear side of the top end of a top plate, the left end of the worm is connected with a bearing of the fixed plate, and the right end of the worm is connected with the output end of a speed reducer.
The utility model relates to a quantitative dosing device for sludge treatment, which comprises two groups of mounting seats and two groups of bolts, wherein the two groups of mounting seats are symmetrically arranged on the left part and the right part of the upper side of a stirring shaft, jacks are respectively arranged on the two groups of mounting seats in a communicated manner, threaded holes are respectively arranged at the top ends of the two groups of mounting seats in a communicated manner, two groups of spraying pipes are clamped with the jacks of the two groups of mounting seats, the two groups of spraying pipes are communicated with a feeding groove of the stirring shaft, and the two groups of bolts are in threaded connection with the threaded holes of the two groups of mounting seats.
The utility model relates to a quantitative dosing device for sludge treatment, which further comprises a bearing, wherein the bottom end of a mounting ring is provided with a mounting groove, the bearing is arranged in the mounting groove of the mounting ring, and the bearing is connected with a connecting pipe.
The utility model relates to a quantitative dosing device for sludge treatment, which further comprises two groups of second sealing rings, wherein the two groups of second sealing rings are respectively arranged at the upper parts in two groups of mounting seats and at the lower parts in the two groups of mounting seats.
The utility model relates to a quantitative dosing device for sludge treatment, which further comprises a supporting plate, wherein the supporting plate is arranged on the right side of the top end of a top plate, and the supporting plate is rotationally connected with an output shaft of a speed reducer.
The utility model relates to a quantitative dosing device for sludge treatment, which further comprises two groups of clamps and two groups of reinforcing rods, wherein the two groups of clamps are respectively clamped with the middle parts of two groups of spraying pipes, the two groups of reinforcing rods are respectively symmetrically arranged on the upper side of a stirring shaft, and the bottom ends of the two groups of reinforcing rods are respectively connected with the two groups of clamps.
Compared with the prior art, the utility model has the beneficial effects that: install two sets of material pipes on the (mixing) shaft through coupling assembling, then open motor and constant delivery pump, the motor then drives the (mixing) shaft through speed reducer and drive mechanism and rotates, the (mixing) shaft then drives stirring frame and two sets of material pipes that spout rotate, the constant delivery pump then passes through the constant delivery pump ration with the medicament in the medicament case and imports into the box cavity in, then the medicament passes through the connecting pipe and enters into the (mixing) shaft feed chute in, afterwards the medicament in the (mixing) shaft feed chute spouts the evenly distributed in the mud of material pipe ration in the mud pond through two sets of, pivoted stirring frame then mixes medicament and mud, through setting up this equipment, can make medicament dispersion import in the mud pond, thereby not only improved the result of use of medicament, and also improved the mixing efficiency of medicament and mud.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the connection of the worm gear and worm;
FIG. 3 is a schematic view of the connection of the mounting block and the bolt;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1A;
the reference numerals in the drawings: 1. a sludge pool; 2. a top plate; 3. a motor; 4. a speed reducer; 5. a stirring rack; 6. a stirring shaft; 7. a medicament box; 8. a fixed displacement pump; 9. a case; 10. a connecting pipe; 11. a mounting ring; 12. a first seal ring; 13. a spraying pipe; 14. a worm wheel; 15. a worm; 16. a fixing plate; 17. a mounting base; 18. a bolt; 19. a bearing; 20. a second seal ring; 21. a support plate; 22. a clip; 23. and a reinforcing rod.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 4, the quantitative dosing device for sludge treatment of the utility model comprises a sludge tank 1, a top plate 2, a motor 3, a speed reducer 4, a stirring frame 5, a stirring shaft 6, a medicament box 7, a dosing pump 8 and a dosing mechanism, wherein the top plate 2 is arranged on the left side and the right side of the top end of the sludge tank 1, the motor 3 and the speed reducer 4 are both arranged on the right side of the top end of the top plate 2, the output end of the motor 3 is connected with the input end of the speed reducer 4, the stirring frame 5 is arranged at the lower part of the stirring shaft 6 in the sludge tank 1, the bottom end of the stirring shaft 6 is connected with an inner bottom end bearing of the sludge tank 1, a perforation is arranged in the middle of the top plate 2 in a communicating way, the top end of the stirring shaft 6 penetrates through the perforation of the top plate 2 and extends to the upper side of the top plate 2, the stirring shaft 6 is in rotating connection with the perforation of the top plate 2, the medicament box 7 and the dosing pump 8 are both arranged on the left side of the top end of the top plate 2, medicament is arranged in the medicament box 7, the input end of the dosing pump 8 is communicated with the medicament box 7, the dosing mechanism is arranged at the top end of the top plate 2 and is respectively connected with the stirring shaft 6, the output end of the speed reducer 4 and the output end of the constant delivery pump 8, the dosing mechanism comprises a box body 9, a connecting pipe 10, a mounting ring 11, a first sealing ring 12, two groups of spraying pipes 13, a transmission mechanism and a connecting component, the box body 9 is arranged at the middle part of the top end of the top plate 2 through two groups of mounting plates, a cavity is arranged in the box body 9, the output end of the constant delivery pump 8 is communicated with the left end of the box body 9, the connecting pipe 10 is arranged at the top end of the stirring shaft 6, a feeding groove is arranged at the upper part of the stirring shaft 6, the connecting pipe 10 is communicated with the feeding groove of the stirring shaft 6, the bottom end of the box body 9 is communicated with an opening, the connecting pipe 10 is inserted into the opening of the box body 9 and is communicated with the box body 9, the mounting ring 11 is arranged at the bottom end of the box body 9, the mounting groove is arranged in the mounting ring 11, the first sealing ring 12 is arranged in the mounting groove of the mounting ring 11, the first sealing ring 12 is tightly attached to the connecting pipe 10 in a sealing way, two groups of spraying pipes 13 are arranged at the upper part of the stirring shaft 6 through a connecting component and are communicated with a feeding groove of the stirring shaft 6, a transmission mechanism is arranged at the upper part of the stirring shaft 6, and the transmission mechanism is connected with the output end of the speed reducer 4; install two sets of material pipes 13 on (mixing) shaft 6 through coupling assembling, then open motor 3 and constant delivery pump 8, motor 3 then drives (mixing) shaft 6 through speed reducer 4 and drive mechanism and rotates, (mixing) shaft 6 then drives (mixing) rack 5 and two sets of material pipes 13 rotations that spout, constant delivery pump 8 then will medicament in the medicament case 7 is through constant delivery pump 8 ration import to box 9 cavity in, then the medicament passes through connecting pipe 10 and gets into (mixing) shaft 6 feed tank, afterwards the medicament in the (mixing) shaft 6 feed tank is through two sets of material pipes 13 ration even distribution in the mud pond 1, rotatory (mixing) rack 5 then mixes medicament and mud, through setting up this equipment, can make medicament dispersion import to mud in the mud pond 1, thereby not only improved the result of use of medicament, but also improved medicament and mud mixing efficiency.
The utility model relates to a quantitative dosing device for sludge treatment, which comprises a transmission mechanism, a stirring shaft 6 and a fixed plate 16, wherein the transmission mechanism comprises a worm wheel 14, a worm 15 and the fixed plate 16, the worm wheel 14 is arranged at the upper part of the stirring shaft 6, the worm wheel 14 is meshed with the worm 15, the fixed plate 16 is arranged at the rear side of the top end of a top plate 2, the left end of the worm 15 is in bearing connection with the fixed plate 16, and the right end of the worm 15 is connected with the output end of the speed reducer 4; by arranging the worm wheel 14, the worm 15 and the fixed plate 16, the motor 3 is turned on, the speed reducer 4 drives the worm 15 to rotate, the worm 15 is meshed with the worm wheel 14, and the worm wheel 14 drives the stirring shaft 6 to rotate, so that the power of the motor 3 and the speed reducer 4 is transmitted to the stirring shaft 6.
The utility model relates to a quantitative dosing device for sludge treatment, which comprises two groups of mounting seats 17 and two groups of bolts 18, wherein the two groups of mounting seats 17 are symmetrically arranged at the left part and the right part of the upper side of a stirring shaft 6, jacks are respectively arranged on the two groups of mounting seats 17 in a communicated manner, threaded holes are respectively arranged at the top ends of the two groups of mounting seats 17 in a communicated manner, two groups of spraying pipes 13 are clamped with the jacks of the two groups of mounting seats 17, the two groups of spraying pipes 13 are communicated with a feeding groove of the stirring shaft 6, and the two groups of bolts 18 are in threaded connection with the threaded holes of the two groups of mounting seats 17; through setting up mount pad 17 and bolt 18, insert two sets of material pipes 13 respectively in the socket of two sets of mount pads 17, then rotate two sets of bolts 18, two sets of bolts 18 then with two sets of mount pad 17 threaded connection, two sets of bolts 18 then with two sets of material pipes 13 contact and carry out the top tightly to it is fixed to install two sets of material pipes 13, be convenient for install and dismantle two sets of material pipes 13, thereby be convenient for overhaul the material pipe 13 and change.
The utility model relates to a quantitative dosing device for sludge treatment, which further comprises a bearing 19, wherein the bottom end of a mounting ring 11 is provided with a mounting groove, the bearing 19 is arranged in the mounting groove of the mounting ring 11, and the bearing 19 is connected with a connecting pipe 10; by providing the bearing 19, the connection pipe 10 can be reinforced.
The utility model relates to a quantitative dosing device for sludge treatment, which also comprises two groups of second sealing rings 20, wherein the two groups of second sealing rings 20 are respectively arranged at the inner upper parts of two groups of mounting seats 17 and at the inner lower parts of the two groups of mounting seats 17; by providing the second seal ring 20, the sealability between the two sets of the spray pipes 13 and the stirring shaft 6 can be improved.
The utility model relates to a quantitative dosing device for sludge treatment, which further comprises a supporting plate 21, wherein the supporting plate 21 is arranged on the right side of the top end of a top plate 2, and the supporting plate 21 is rotationally connected with an output shaft of a speed reducer 4; by providing the support plate 21, the output shaft of the speed reducer 4 can be supported and reinforced.
The utility model relates to a quantitative dosing device for sludge treatment, which also comprises two groups of clamps 22 and two groups of reinforcing rods 23, wherein the two groups of clamps 22 are respectively clamped with the middle parts of two groups of spraying pipes 13, the two groups of reinforcing rods 23 are respectively symmetrically arranged on the upper side of a stirring shaft 6, and the bottom ends of the two groups of reinforcing rods 23 are respectively connected with the two groups of clamps 22; by providing the clip 22 and the reinforcing rod 23, the two groups of the spray pipes 13 can be supported and reinforced.
When the quantitative dosing device for sludge treatment is used, firstly, two groups of spraying pipes 13 are respectively inserted into the sockets of two groups of mounting seats 17, then two groups of bolts 18 are rotated, the two groups of bolts 18 are in threaded connection with the two groups of mounting seats 17, the two groups of bolts 18 are contacted with the two groups of spraying pipes 13 and tightly support the two groups of spraying pipes 13, so that the two groups of spraying pipes 13 are installed and fixed, then a motor 3 and a dosing pump 8 are started, a speed reducer 4 drives a worm 15 to rotate by the motor 3, the worm 15 is meshed with a worm wheel 14, the worm wheel 14 drives a stirring shaft 6 to rotate, the stirring shaft 6 drives a stirring frame 5 and the two groups of spraying pipes 13 to rotate, the dosing pump 8 quantitatively guides a medicament in a medicament box 7 into a cavity of a box body 9 by the dosing pump 8, then the medicament enters a feeding groove of the stirring shaft 6 by a connecting pipe 10, the medicament in the feeding groove of the stirring shaft 6 is quantitatively and uniformly distributed in sludge in a sludge pool 1 by the two groups of spraying pipes 13, and the rotating stirring frame 5 is mixed with the medicament.
The quantitative dosing device for sludge treatment, provided by the utility model, has the advantages that the installation mode, the connection mode or the setting mode are all common mechanical modes, and the quantitative dosing device can be implemented as long as the beneficial effects can be achieved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. The utility model provides a quantitative dosing device for sludge treatment, including sludge impoundment (1), roof (2), motor (3), speed reducer (4), stirring frame (5), (6) stirring axle, medicament case (7), quantitative pump (8) and dosing mechanism, roof (2) are installed on the left side and the right side on roof (1) top, motor (3) and speed reducer (4) are all installed on roof (2) top right side, motor (3) output is connected with speed reducer (4) input, stirring frame (5) are located sludge impoundment (1) internally mounted in (6) lower part stirring axle (6), stirring axle (6) bottom and sludge impoundment (1) inner bottom end bearing connection, roof (2) middle part intercommunication is provided with the perforation, stirring axle (6) top is passed roof (2) perforation and is stretched to roof (2) upside, medicament case (7) and quantitative pump (8) all install on roof (2) left side, be provided with the medicament in the quantitative case (7), medicament input and box (8) input and dosing mechanism (7) are installed at roof (2) top, the mechanism is connected with the output (4) top, characterized in that the stirring axle (6) is connected with the output (8) top is connected with the output respectively, the chemical dosing mechanism comprises a box body (9), a connecting pipe (10), a mounting ring (11), a first sealing ring (12), two groups of spraying pipes (13), a transmission mechanism and a connecting component, wherein the box body (9) is installed at the top end middle part of a top plate (2) through two groups of mounting plates, a cavity is formed in the box body (9), the output end of a metering pump (8) is communicated with the left end of the box body (9), the connecting pipe (10) is installed at the top end of a stirring shaft (6), the upper portion of the stirring shaft (6) is provided with a feeding groove, the connecting pipe (10) is communicated with the feeding groove of the stirring shaft (6), the bottom end of the box body (9) is communicated with an opening, the connecting pipe (10) is inserted into the opening of the box body (9) and is communicated with the box body (9), the mounting ring (11) is installed at the bottom end of the box body (9), the mounting ring (11) is internally provided with a mounting groove, the first sealing ring (12) is installed in the mounting groove of the mounting ring (11), the first sealing ring (12) is tightly attached to the connecting pipe (10), and the two groups of spraying pipes (13) are installed on the upper portion of the stirring shaft (6) through the connecting component and are communicated with the transmission mechanism (4).
2. The quantitative dosing device for sludge treatment according to claim 1, wherein the transmission mechanism comprises a worm wheel (14), a worm (15) and a fixed plate (16), the worm wheel (14) is arranged on the upper portion of the stirring shaft (6), the worm wheel (14) is meshed with the worm (15), the fixed plate (16) is arranged on the rear side of the top end of the top plate (2), the left end of the worm (15) is in bearing connection with the fixed plate (16), and the right end of the worm (15) is connected with the output end of the speed reducer (4).
3. The quantitative dosing device for sludge treatment according to claim 2, wherein the connecting assembly comprises two groups of mounting seats (17) and two groups of bolts (18), the two groups of mounting seats (17) are symmetrically arranged on the left part and the right part of the upper side of the stirring shaft (6), jacks are arranged on the two groups of mounting seats (17) in a communicated mode, threaded holes are formed in the tops of the two groups of mounting seats (17) in a communicated mode, the two groups of spraying pipes (13) are clamped with the jacks of the two groups of mounting seats (17), the two groups of spraying pipes (13) are communicated with the feeding groove of the stirring shaft (6), and the two groups of bolts (18) are in threaded connection with the threaded holes of the two groups of mounting seats (17).
4. A dosing device for sludge treatment as claimed in claim 3, further comprising a bearing (19), wherein the bottom end of the mounting ring (11) is provided with a mounting groove, the bearing (19) is mounted in the mounting groove of the mounting ring (11), and the bearing (19) is connected with the connecting pipe (10).
5. The quantitative dosing device for sludge treatment as claimed in claim 4, further comprising two sets of second sealing rings (20), wherein the two sets of second sealing rings (20) are respectively arranged at the inner upper parts of the two sets of mounting seats (17) and at the inner lower parts of the two sets of mounting seats (17).
6. The quantitative dosing device for sludge treatment according to claim 5, further comprising a supporting plate (21), wherein the supporting plate (21) is installed on the right side of the top end of the top plate (2), and the supporting plate (21) is rotatably connected with the output shaft of the speed reducer (4).
7. The quantitative dosing device for sludge treatment according to claim 6, further comprising two groups of clamps (22) and two groups of reinforcing rods (23), wherein the two groups of clamps (22) are respectively clamped with the middle parts of the two groups of spraying pipes (13), the two groups of reinforcing rods (23) are respectively symmetrically arranged on the upper side of the stirring shaft (6), and the bottom ends of the two groups of reinforcing rods (23) are respectively connected with the two groups of clamps (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322371360.XU CN220745673U (en) | 2023-09-01 | 2023-09-01 | Quantitative dosing device for sludge treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322371360.XU CN220745673U (en) | 2023-09-01 | 2023-09-01 | Quantitative dosing device for sludge treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220745673U true CN220745673U (en) | 2024-04-09 |
Family
ID=90562165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322371360.XU Active CN220745673U (en) | 2023-09-01 | 2023-09-01 | Quantitative dosing device for sludge treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220745673U (en) |
-
2023
- 2023-09-01 CN CN202322371360.XU patent/CN220745673U/en active Active
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