CN112174384A - Wastewater treatment mechanism for machining with quantitative recovery function - Google Patents
Wastewater treatment mechanism for machining with quantitative recovery function Download PDFInfo
- Publication number
- CN112174384A CN112174384A CN202011127270.0A CN202011127270A CN112174384A CN 112174384 A CN112174384 A CN 112174384A CN 202011127270 A CN202011127270 A CN 202011127270A CN 112174384 A CN112174384 A CN 112174384A
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- Prior art keywords
- frame
- waste water
- water treatment
- machining
- waste
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 70
- 238000003754 machining Methods 0.000 title claims abstract description 32
- 238000011084 recovery Methods 0.000 title claims abstract description 19
- 239000002699 waste material Substances 0.000 claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000000843 powder Substances 0.000 claims abstract description 39
- 238000009434 installation Methods 0.000 claims abstract 4
- 230000003197 catalytic effect Effects 0.000 claims description 33
- 238000003860 storage Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 abstract description 31
- 238000006555 catalytic reaction Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000007664 blowing Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
Abstract
The invention discloses a machining wastewater treatment mechanism with a quantitative recovery function, which comprises a wastewater treatment container, wherein a water inlet pipe is connected to the upper part of the left end face of the wastewater treatment container, a water outlet pipe is fixedly connected to the lower part of the right end face of the wastewater treatment container, an installation frame is connected to the lower end face of the water inlet pipe, a water flow driving wheel is connected to the interior of the installation frame through a shaft, a driving belt wheel is connected to one end shaft of the water flow driving wheel through a key, and a guide frame is fixedly connected to the middle part of the left end face of the wastewater treatment container. This wastewater treatment mechanism for machining that possesses quantitative recovery function can be convenient for add the catalysis powder to the machining waste water automatically and quantitatively to reduce the waste of catalysis powder, and can be convenient for take out filter and waste residue fast and collect the frame, thereby can carry out recovery processing to the machining waste residue fast, and can be convenient for make waste water and catalysis powder reaction more abundant, thereby improve the treatment quality of machining waste water.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a wastewater treatment mechanism with a quantitative recovery function for machining.
Background
The waste water treatment is to treat waste water by physical, chemical and biological methods, so that the waste water is purified, pollution is reduced, the waste water is recycled, and the purpose of saving water resources is achieved.
However, the present wastewater treatment mechanism is not convenient for quantitatively adding catalytic powder into machining wastewater, the present adding mode usually adopts a manual adding mode, more catalytic powder is added in the mode at one time, the catalytic powder is wasted, manual addition is required at regular time, the labor intensity of workers is increased, the present wastewater treatment mechanism is not convenient for cleaning the filter plate, the filtered machining waste residue is not convenient for recycling, and the reaction between the wastewater of the present wastewater treatment mechanism and the catalytic powder is insufficient, so that the wastewater treatment mechanism for machining with a quantitative recycling function is required to solve the problems.
Disclosure of Invention
The invention aims to provide a machining wastewater treatment mechanism with a quantitative recovery function, and aims to solve the problems that the conventional wastewater treatment mechanism in the background art is inconvenient to automatically and quantitatively add catalytic powder, is inconvenient to recover and treat filtered machining waste residues and is insufficient in reaction between wastewater and the catalytic powder.
In order to achieve the purpose, the invention provides the following technical scheme: a wastewater treatment mechanism for machining with a quantitative recovery function comprises a wastewater treatment container, wherein a water inlet pipe is connected above the left end face of the wastewater treatment container, a water outlet pipe is fixedly connected below the right end face of the wastewater treatment container, a mounting frame is connected on the lower end face of the water inlet pipe, a water flow driving wheel is connected inside the mounting frame through a shaft, a driving belt wheel is connected on one end shaft of the water flow driving wheel through a key, a guide frame is fixedly connected in the middle of the left end face of the wastewater treatment container, a catalytic powder storage frame is fixedly connected at the upper end of the guide frame, a material placing turntable is connected inside the guide frame through a shaft, a driven belt wheel is connected on the shaft end of the material placing turntable through a key, the driven belt wheel is connected with the driving belt wheel through a belt, a supporting frame is fixedly connected on the middle of the inner side, the waste residue collecting device comprises a waste residue collecting frame, a push plate, a push block, a buckle, a spring, a clamping groove and a buckle, wherein the left end face of the waste residue collecting frame is connected with a rotating shaft through a bearing, and the rotating shaft is fixedly connected with a mixed drainage blade, the lower end of the front end face of the wastewater treatment container is fixedly connected with a motor, and the shaft end of the motor is connected with a rotating shaft.
Preferably, the sliding plate is U-shaped, the cross section of the pushing block at the front end of the sliding plate is triangular, and the sliding plate and the pushing block are both connected with the inner parts of the two side plates of the waste residue collecting frame in a sliding manner.
Preferably, the gasket is arranged between the right side plate of the waste residue collection frame and the outer wall of the right side of the wastewater treatment container, and the gasket is matched with the right side plate of the waste residue collection frame in size.
Preferably, the diameter of the driving pulley is smaller than that of the driven pulley, and the ratio of the diameters of the driving pulley to the driven pulley is one to five.
Preferably, the structural shape of the mixed drainage blade is set to be rectangular, and the mixed drainage blade is equidistantly and circumferentially distributed on the outer surface of the rotating shaft.
Preferably, the shafts at the two ends of the water flow driving wheel are connected to the inner walls at the two sides of the mounting frame through bearings, and the upper half part of the water flow driving wheel is arranged on the upper side of the inner pipe wall of the water inlet pipe.
Preferably, the emptying turntable is provided with 6 catalytic powder storage grids, and the diameter of the emptying turntable is matched with the width of the upper end of the guide frame.
Preferably, the buckle is connected to the inner parts of the two side plates of the waste residue collection frame through a shaft, and a spring is connected between the rear end of the buckle and the inner surfaces of the two side plates of the waste residue collection frame.
Compared with the prior art, the invention has the beneficial effects that: this wastewater treatment mechanism for machining that possesses quantitative recovery function can be convenient for automatic ration to add the catalysis powder in the machining waste water to reduce the waste of catalysis powder, and can be convenient for take out filter and waste residue fast and collect the frame, thereby can carry out recovery processing to the machining waste residue fast, and can be convenient for make waste water and catalysis powder reaction more abundant, thereby improve the treatment quality of machining waste water:
1. the waste water flow drives the water flow driving wheel to rotate, the water flow driving wheel drives the driving belt wheel to rotate, the driving belt wheel drives the driven belt wheel to rotate through the belt, and the driven belt wheel drives the discharging turntable to rotate through the shaft, so that the catalytic powder is discharged by the discharging turntable, and the catalytic powder can be quantitatively discharged according to the water flow, and the waste of the catalytic powder is reduced;
2. the button on the right side plate of the waste residue collection frame is pressed, the sliding plate is driven by the button to slide inwards, the push rods are pushed by the two ends of the sliding plate to move forwards, the push rods push the push blocks to move forwards, the inclined surfaces of the push blocks extrude one ends of the buckles, so that the buckles rotate, the front ends of the buckles are separated from the clamping grooves on the two sides in the waste water treatment container, the waste residue collection frame can be taken out of the waste water treatment container by pulling the handle, and the mechanical processing waste residue can be rapidly recycled;
3. the motor rotates to drive the rotating shaft to rotate, and the rotating shaft drives the mixed drainage blade to rotate, so that the wastewater flows in the wastewater treatment container, the wastewater and the catalytic powder are fully mixed, and the treatment quality of machining wastewater is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a schematic perspective view of a rear view cross-section of the present invention;
FIG. 5 is an enlarged view of point A of FIG. 4 according to the present invention;
FIG. 6 is a schematic top cross-sectional view of the present invention;
FIG. 7 is an enlarged view of point B of FIG. 6 according to the present invention;
FIG. 8 is a schematic perspective view of a waste residue collection frame according to the present invention.
In the figure: 1. a wastewater treatment vessel; 2. a water inlet pipe; 3. a motor; 4. a water outlet pipe; 5. a handle; 6. A button; 7. a sliding plate; 8. a waste residue collection frame; 9. a gasket; 10. a drive pulley; 11. a belt; 12. a catalytic powder storage frame; 13. a driven pulley; 14. a guide frame; 15. a mixed drainage vane; 16. a rotating shaft; 17. a water flow driving wheel; 18. a material placing turntable; 19. a filter plate; 20. a push rod; 21. Buckling; 22. a spring; 23. a card slot; 24. a push block; 25. installing a frame; 26. and a support frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings 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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a machining wastewater treatment mechanism with a quantitative recovery function comprises a wastewater treatment container 1, a water inlet pipe 2, a motor 3, a water outlet pipe 4, a handle 5, a button 6, a sliding plate 7, a waste residue collection frame 8, a gasket 9, a driving pulley 10, a belt 11, a catalytic powder storage frame 12, a driven pulley 13, a guide frame 14, a mixed drainage blade 15, a rotating shaft 16, a water flow driving wheel 17, a material discharge turntable 18, a filter plate 19, a push rod 20, a buckle 21, a spring 22, a clamping groove 23, a push block 24, a mounting frame 25 and a supporting frame 26, wherein the water inlet pipe 2 is connected above the left end face of the wastewater treatment container 1, the water outlet pipe 4 is fixedly connected below the right end face of the wastewater treatment container 1, the mounting frame 25 is connected on the lower end face of the water inlet pipe 2, the water flow driving wheel 17 is connected inside the mounting frame 25 through a shaft, the driving pulley 10 is, the middle part of the left end face of the wastewater treatment container 1 is fixedly connected with a guide frame 14, the upper end of the guide frame 14 is fixedly connected with a catalytic powder storage frame 12, the interior of the guide frame 14 is connected with a discharging turntable 18 through a shaft, the shaft end of the discharging turntable 18 is connected with a driven pulley 13 through a key, the driven pulley 13 is connected with a driving pulley 10 through a belt 11, the middle part of the inner side of the wastewater treatment container 1 is fixedly connected with a supporting frame 26, the supporting frame 26 is provided with a waste residue collection frame 8, the left end face of the waste residue collection frame 8 is connected with a gasket 9, the bottom end of the waste residue collection frame 8 is fixedly connected with a filter plate 19, the outer end face of the waste residue collection frame 8 is symmetrically provided with handles 5, the middle part of the outer end face of the waste residue collection frame 8 is connected with a sliding plate 7, the middle part of, and 8 both sides internal connection of waste residue collection frame has ejector pad 24, and 24 rear end faces of ejector pad and 20 one end fixed connection of push rod, 8 both sides internal connection of the left waste residue collection frame of ejector pad 24 has buckle 21, and be provided with spring 22 between buckle 21 and the waste residue collection frame 8 internal surface, be provided with draw-in groove 23 on the inside front and back both ends face of waste water treatment container 1, and draw-in groove 23 and the mutual block of buckle 21 are connected, the inside pivot 16 that is connected with through the bearing of waste water treatment container 1 lower extreme, and fixedly connected with mixed drainage blade 15 on the pivot 16, terminal surface lower extreme fixedly connected with motor 3 before the waste water treatment container 1, and the motor 3 axle head is connected with.
The sliding plate 7 is U-shaped, the section of the push block 24 at the front end of the sliding plate 7 is triangular, the sliding plate 7 and the push block 24 are both slidably connected with the inner parts of the two side plates of the waste residue collection frame 8, the push block 7 can drive the push block 24 to slide forwards in the inner parts of the two side plates of the waste residue collection frame 8 by pressing the button 6, the push block 24 is inclined to drive the buckle 21 to rotate, and the front end of the buckle 21 can be conveniently separated from the clamping groove 23 on the side surface of the waste water treatment container 1.
The diameter of drive pulley 10 is less than driven pulley 13's diameter, and the diameter ratio of drive pulley 10 and driven pulley 13 is one to five, can be convenient for drive driven pulley 13 through drive pulley 10 and rotate, and can be convenient for the diameter through drive pulley 10 is less than driven pulley 13's diameter in order to reduce driven pulley 13's rotational speed, thereby increase the torque of blowing carousel 18, thereby make the stable catalytic powder of blowing carousel 18 put in.
The axle at rivers drive wheel 17 both ends passes through the bearing to be connected on the inner wall of installing frame 25 both sides, and rivers drive wheel 17 first half sets up in the pipe wall upside in inlet tube 2, can be convenient for make rivers drive wheel 17 at the 25 internal rotations of installing frame, and can be convenient for drive rivers drive wheel 17 through machining waste water when flowing into inlet tube 2 and rotate, thereby drive blowing carousel 18 and put in the catalytic powder, and can be convenient for put in the ration catalytic powder according to discharge.
Be provided with 6 catalytic powder on the blowing carousel 18 and deposit the check, and the width phase-match of the diameter of blowing carousel 18 and the upper end of guide frame 14, the action of gravity that can be convenient for through catalytic powder makes catalytic powder fall into the catalytic powder on the blowing carousel 18 and deposits the check to make catalytic powder put in more evenly, and can be convenient for prevent that catalytic powder from leaking into in the waste water treatment container 1.
Inside buckle 21 is connected in the waste residue collection frame 8 both sides inboard through the hub connection, and buckle 21 rear end and waste residue collection frame 8 both sides inboard surface between be connected with spring 22, can be convenient for make through the effect of spring 22 elasticity when pushing into waste water treatment container 1 with waste residue collection frame 8, buckle 21 can be detained automatically in the draw-in groove 23 of waste residue collection frame 8 both sides to can be convenient for collect the stable fixing of frame 8 inside waste water treatment container 1 with the waste residue.
The working principle is as follows: when the machining wastewater needs to be recycled, firstly, the catalytic powder is added into the catalytic powder storage frame 12, the wastewater is introduced into the water inlet pipe 2, the water flow driving wheel 17 rotates under the flowing effect of the wastewater, the water flow driving wheel 17 rotates to drive the driving belt pulley 10 to rotate, the driving belt pulley 10 drives the driven belt pulley 13 to rotate through the belt 11, the driven belt pulley 13 drives the discharging turntable 18 to rotate through the shaft, and therefore the catalytic powder in the catalytic powder storage frame 12 is discharged into the wastewater treatment container 1 through the guide frame 14;
machining wastewater flows into the wastewater treatment container 1 through the water inlet pipe 2, waste residues in the wastewater are filtered through the filter holes in the waste residue collection frame 8, filtered water flows into the bottom of the wastewater treatment container 1 through the filter plate 19 on the bottom surface of the waste residue collection frame 8, and the waste residues are stored in the waste residue collection frame 8;
the machining wastewater is mixed with the catalytic powder at the bottom of the wastewater treatment container 1, so that harmful chemical substances in the wastewater are reacted and removed, the motor 3 rotates to drive the rotating shaft 16 to rotate, the rotating shaft 16 drives the mixed drainage blades 15 to rotate, the wastewater and the catalytic powder are fully mixed, and after the wastewater treatment is finished, the wastewater is discharged through the water outlet pipe 4;
when the waste residue in the waste water needs to be collected, collect button 6 on the 8 right side boards of frame through pressing the waste residue, button 6 drives sliding plate 7 and inwards slides, 7 both ends of sliding plate promote push rod 20 and move forward, push rod 20 promotes ejector pad 24 and moves forward, ejector pad 24 extrudees buckle 21 one end to the bevel, thereby make buckle 21 rotate, make buckle 21 front end break away from the draw-in groove 23 of 1 inside both sides of waste water treatment container, can collect frame 8 through pulling handle 5 and take out from waste water treatment container 1 with the waste residue, thereby can collect the waste residue in the waste water and handle.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A machining wastewater treatment mechanism with a quantitative recovery function, comprising a wastewater treatment container (1), characterized in that: the waste water treatment device is characterized in that a water inlet pipe (2) is connected above the end face of the left side of the waste water treatment container (1), a water outlet pipe (4) is fixedly connected below the end face of the right side of the waste water treatment container (1), an installation frame (25) is connected on the lower end face of the water inlet pipe (2), a water flow driving wheel (17) is connected inside the installation frame (25) through a shaft, a driving pulley (10) is connected on one end shaft of the water flow driving wheel (17) through a key, a guide frame (14) is fixedly connected in the middle of the end face of the left side of the waste water treatment container (1), a catalytic powder storage frame (12) is fixedly connected on the upper end of the guide frame (14), a material placing turntable (18) is connected inside the guide frame (14) through a shaft, a driven pulley (13) is connected on the shaft end of the, the waste water treatment container is characterized in that a supporting frame (26) is fixedly connected to the middle of the inner side of the waste water treatment container (1), a waste residue collecting frame (8) is arranged on the supporting frame (26), a gasket (9) is connected to the end face of the left side of the waste residue collecting frame (8), a filter plate (19) is fixedly connected to the bottom end of the waste residue collecting frame (8), handles (5) are symmetrically arranged on the end face of the outer side of the waste residue collecting frame (8), a sliding plate (7) is connected to the middle of the end face of the outer side of the waste residue collecting frame (8), a button (6) is fixedly connected to the middle of the sliding plate (7), push rods (20) are arranged inside the waste residue collecting frames (8) at the two ends of the sliding plate (7), push blocks (24) are connected inside the two sides of the waste residue collecting frame (8), the rear end faces of the push blocks (24) are fixedly connected with one end, and buckle (21) and waste residue are collected and are provided with spring (22) between frame (8) internal surface, be provided with on the inside front and back both ends face of waste water treatment container (1) draw-in groove (23), and draw-in groove (23) and buckle (21) block each other and be connected, waste water treatment container (1) lower extreme is inside to be connected with pivot (16) through the bearing, and fixedly connected with mixes drainage blade (15) in pivot (16), terminal surface lower extreme fixedly connected with motor (3) before waste water treatment container (1), and motor (3) axle head is connected with pivot (16).
2. The waste water treatment mechanism for machining with a quantitative recovery function according to claim 1, characterized in that: the sliding plate (7) is U-shaped, the section of the pushing block (24) at the front end of the sliding plate (7) is triangular, and the sliding plate (7) and the pushing block (24) are both connected with the inner parts of the two side plates of the waste residue collecting frame (8) in a sliding mode.
3. The waste water treatment mechanism for machining with a quantitative recovery function according to claim 1, characterized in that: the gasket (9) is arranged between the right side plate of the waste residue collection frame (8) and the outer wall of the right side of the waste water treatment container (1), and the gasket (9) is matched with the right side plate of the waste residue collection frame (8) in size.
4. The waste water treatment mechanism for machining with a quantitative recovery function according to claim 1, characterized in that: the diameter of the driving belt pulley (10) is smaller than that of the driven belt pulley (13), and the diameter ratio of the driving belt pulley (10) to the driven belt pulley (13) is one to five.
5. The waste water treatment mechanism for machining with a quantitative recovery function according to claim 1, characterized in that: the structural shape of the mixed drainage blades (15) is set to be rectangular, and the mixed drainage blades (15) are circumferentially distributed on the outer surface of the rotating shaft (16) at equal intervals.
6. The waste water treatment mechanism for machining with a quantitative recovery function according to claim 1, characterized in that: the shafts at the two ends of the water flow driving wheel (17) are connected to the inner walls of the two sides of the mounting frame (25) through bearings, and the upper half part of the water flow driving wheel (17) is arranged on the upper side of the inner pipe wall of the water inlet pipe (2).
7. The waste water treatment mechanism for machining with a quantitative recovery function according to claim 1, characterized in that: the discharging turntable (18) is provided with 6 catalytic powder storage grids, and the diameter of the discharging turntable (18) is matched with the width of the upper end of the guide frame (14).
8. The waste water treatment mechanism for machining with a quantitative recovery function according to claim 1, characterized in that: the buckle (21) is connected to the inner parts of the two side plates of the waste residue collection frame (8) through a shaft, and a spring (22) is connected between the rear end of the buckle (21) and the inner surfaces of the two side plates of the waste residue collection frame (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011127270.0A CN112174384A (en) | 2020-10-20 | 2020-10-20 | Wastewater treatment mechanism for machining with quantitative recovery function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011127270.0A CN112174384A (en) | 2020-10-20 | 2020-10-20 | Wastewater treatment mechanism for machining with quantitative recovery function |
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| Publication Number | Publication Date |
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| CN112174384A true CN112174384A (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011127270.0A Pending CN112174384A (en) | 2020-10-20 | 2020-10-20 | Wastewater treatment mechanism for machining with quantitative recovery function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808224A (en) * | 2021-01-18 | 2021-05-18 | 邬桥梁 | Automatic reaction kettle device for chemical industry |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108911243A (en) * | 2018-07-23 | 2018-11-30 | 徐美琴 | A kind of sewage disposal device facilitating screen replacing |
| CN209554810U (en) * | 2018-10-16 | 2019-10-29 | 天津天绿健科技有限公司 | A kind of sewage treatment automatic medicine adding apparatus |
-
2020
- 2020-10-20 CN CN202011127270.0A patent/CN112174384A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108911243A (en) * | 2018-07-23 | 2018-11-30 | 徐美琴 | A kind of sewage disposal device facilitating screen replacing |
| CN209554810U (en) * | 2018-10-16 | 2019-10-29 | 天津天绿健科技有限公司 | A kind of sewage treatment automatic medicine adding apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808224A (en) * | 2021-01-18 | 2021-05-18 | 邬桥梁 | Automatic reaction kettle device for chemical industry |
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Application publication date: 20210105 |
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