CN214863529U - High-efficiency acidolysis equipment for pearl calcium powder as health food - Google Patents
High-efficiency acidolysis equipment for pearl calcium powder as health food Download PDFInfo
- Publication number
- CN214863529U CN214863529U CN202121101291.5U CN202121101291U CN214863529U CN 214863529 U CN214863529 U CN 214863529U CN 202121101291 U CN202121101291 U CN 202121101291U CN 214863529 U CN214863529 U CN 214863529U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- box
- control valve
- pearl
- health food
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The utility model belongs to the technical field of the high-efficient acid hydrolysis of health food pearl calcium powder, a high-efficient acid hydrolysis equipment of health food pearl calcium powder is related to, wherein, comprising a base plate, first support frame of fixedly connected with and second support frame on the bottom plate, respectively broken case of fixedly connected with and reaction box on first support frame and the second support frame. Its beneficial effect is, this high-efficient acidolysis equipment of health food pearl calcium powder, through first runner, the second runner, the combined action of stirring roller and crushing roller etc., can carry out the breakage to the pearl in the crushing roller in preheating, work efficiency is higher, under the effect of screening net and vibrating motor, can filter broken pearl powder, under the effect of arranging a material section of thick bamboo and sixth control valve, can pour the pearl powder in the screening cover into the weighing box, under the combined action of transport mechanism and electric putter etc., can pour the pearl powder in the weighing box into the reaction box, it is more convenient to use.
Description
Technical Field
The utility model belongs to the technical field of the high-efficient acid hydrolysis of health food pearl calcium powder, concretely relates to high-efficient acid hydrolysis equipment of health food pearl calcium powder.
Background
During acid hydrolysis of pearl calcium powder as a health food, pearl is preheated to 100 ℃ and then crushed to obtain pearl calcium powder after the crushed fineness is more than or equal to 60 meshes, then 2.5kg of pearl calcium powder is weighed, 12kg of lactic acid and 75L of purified water are added for acid hydrolysis, during acid hydrolysis, lactic acid is evenly divided into two times, each time is 60 minutes at intervals, heated to 70-75 ℃, and after full dissolution, the pearl calcium powder is cooled to 50 ℃ to complete acid hydrolysis of the pearl calcium powder lactic acid as a health food.
Most of pearl calcium powder efficient acidolysis equipment for health food is not convenient and quick enough to use, and materials screened from the screening net are inconvenient to take out and the screening net is inconvenient to replace because the pearl calcium powder is manually added into a reaction box after being manually crushed to obtain the pearl calcium powder.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a high-efficient acidolysis equipment of health food pearl calcium powder, it has solved and has used inconvenient and the screen web on the inconvenient material take out, and the technical problem of the inconvenient replacement of screen web.
In order to achieve the above object, the utility model provides a following technical scheme: a pearl calcium powder efficient acidolysis device for health food comprises a bottom plate, wherein a first support frame and a second support frame are fixedly connected on the bottom plate, a crushing box and a reaction box are respectively and fixedly connected on the first support frame and the second support frame, the top of the crushing box is fixedly connected with a preheating box, first bearings are fixedly connected on two sides of the inner wall of the preheating box, first rotating shafts are movably arranged in the two first bearings in a penetrating manner, stirring rollers are fixedly connected on opposite ends of the two first rotating shafts, one end of one first rotating shaft is fixedly connected with a first rotating wheel, the other end of the other first rotating shaft is fixedly connected with a first motor, a second bearing is fixedly connected on one side of the inner wall of the crushing box, a second rotating shaft is movably arranged in the second bearing in a penetrating manner, one end of the second rotating shaft is fixedly connected with a crushing roller, and the other end of the second rotating shaft is fixedly connected with a second rotating wheel, the second rotating wheel is connected with the first rotating wheel in a belt transmission mode, the crushing box is connected with the preheating box through a first connecting cylinder, a first control valve is arranged on the first connecting cylinder, a first heating plate is arranged on the inner wall of the preheating box, and a first temperature sensor is arranged in the preheating box.
The bottom of the crushing box is communicated with a screening cover, two sides of the inner wall of the screening cover are respectively provided with a mounting groove, two fixing blocks are connected in the two mounting grooves in a sliding manner, two fixing blocks are movably connected with a screening net, one side of the screening cover is movably connected with an opening and closing door, one side of the opening and closing door is fixedly connected with an elastic block, the number of the elastic blocks is two, the positions of the two elastic blocks are respectively corresponding to the positions of the two fixing blocks, a vibrating motor is arranged on the screening net, the bottom of the crushing box is communicated with a second connecting cylinder, a second control valve is arranged on the second connecting cylinder, a transmission mechanism is arranged on a first support frame, a connecting plate is fixedly connected on the transmission mechanism, an electric push rod is movably connected on the connecting plate, a support rod is fixedly connected on the connecting plate, and the top end of the support rod is movably connected with a weighing box, the bottom of the weighing box is movably connected with the other end of the electric push rod, and a weight sensor is arranged in the weighing box.
The reaction box is internally provided with a second temperature sensor, one side of the reaction box is provided with an opening and a sliding groove, the opening and the sliding groove are internally and slidably connected with a same baffle plate, the top fixedly connected with fixing ropes of the baffle plate are fixedly connected with a fixing frame, a second motor is fixedly connected with the fixing frame, a winding wheel is fixedly connected with the second motor, a guide wheel is fixedly connected with the fixing frame, the other end of the fixing rope penetrates through the guide wheel and is fixedly connected onto the winding wheel, a second heating plate is arranged in the reaction box, and a lactic acid feeding cylinder and a purified water feeding cylinder are arranged on the reaction box.
As a further aspect of the present invention: the quantity of the lactic acid feeding cylinders is two, and the two lactic acid feeding cylinders are provided with third control valves.
As a further aspect of the present invention: the reaction box is provided with a stirring mechanism, the bottom of the reaction box is connected with a third connecting cylinder, and a fourth control valve is arranged on the third connecting cylinder.
As a further aspect of the present invention: the purified water feeding cylinder is provided with a fifth control valve, the bottom of the screening cover is communicated with a material discharging cylinder, and the material discharging cylinder is provided with a sixth control valve.
As a further aspect of the present invention: the top of preheating case is provided with a feeding section of thick bamboo, one side fixedly connected with controller of bottom plate.
As a further aspect of the present invention: the controller is respectively electrically connected with the first motor, the second motor, the first heating plate, the second heating plate, the conveying mechanism, the stirring mechanism, the first temperature sensor, the second temperature sensor, the weight sensor, the first control valve, the second control valve, the third control valve, the fourth control valve, the fifth control valve, the sixth control valve, the stirring mechanism and the conveying mechanism through leads.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this high-efficient acidolysis equipment of health food pearl calcium powder, through first runner, the second runner, the combined action of stirring roller and crushing roller etc., can carry out the breakage to the pearl in the crushing roller when preheating, work efficiency is higher, under screening net and vibrating motor's effect, can filter broken pearl powder, arrange under the effect of material section of thick bamboo and sixth control valve, can pour the pearl powder in the screening cover into the weighing box, under the combined action of transport mechanism and electric putter etc., can empty the pearl powder in the weighing box into the reaction box, it is more convenient to use.
2. This health food pearl calcium powder high efficiency acidolysis equipment through the setting of lactic acid feeding section of thick bamboo and purification water feeding section of thick bamboo to under the effect of third control valve and fifth control valve, can enter into the reaction box with lactic acid and purification water, under rabbling mechanism's effect, make the reaction more abundant.
3. This high-efficient acidolysis equipment of health food pearl calcium powder through the combined action of door, mounting groove and fixed block etc. that opens and shuts, can take out the material on the screen cloth, and under the effect of elastic block, after the door that opens and shuts is closed, can make the elastic block fix the fixed block.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic structural view of the present invention;
in the figure: 1. a preheating box; 2. a feeding cylinder; 3. a stirring roller; 4. a first motor; 5. a first heating plate; 6. a crushing box; 7. a crushing roller; 8. a first support frame; 9. a screening hood; 10. screening a net; 11. a vibration motor; 12. a transport mechanism; 13. a lactic acid feed cylinder; 14. a purified water feed cylinder; 15. a second support frame; 16. a second temperature sensor; 17. a second heating plate; 18. a stirring mechanism; 19. a controller; 20. a base plate; 21. an opening; 22. a baffle plate; 23. a reaction box; 24. a first runner; 25. a belt; 26. a second runner; 27. a guide wheel; 28. fixing a rope; 29. a second motor; 30. a winding wheel; 31. a weighing box; 32. an electric push rod; 33. a connecting plate; 34. a fixed mount; 35. mounting grooves; 36. opening and closing the door; 37. an elastic block.
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.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: a pearl calcium powder high-efficiency acidolysis device for health food comprises a bottom plate 20, a first support frame 8 and a second support frame 15 are fixedly connected on the bottom plate 20, a crushing box 6 and a reaction box 23 are respectively fixedly connected on the first support frame 8 and the second support frame 15, a preheating box 1 is fixedly connected at the top of the crushing box 6, first bearings are fixedly connected on two sides of the inner wall of the preheating box 1, first rotating shafts are movably arranged in the two first bearings in a penetrating manner, stirring rollers 3 are fixedly connected with opposite ends of the two first rotating shafts, a first rotating wheel 24 is fixedly connected at one end of one first rotating shaft, a first motor 4 is fixedly connected at the other end of the other first rotating shaft, a second bearing is fixedly connected on one side of the inner wall of the crushing box 6, a second rotating shaft is movably arranged in the second bearing in a penetrating manner, a crushing roller 7 is fixedly connected at one end of the second rotating shaft, a second rotating wheel 26 is fixedly connected at the other end of the second rotating shaft, second runner 26 passes through the belt 25 transmission with first runner 24 and is connected, through first runner 24, second runner 26, the combined action of stirring roller 3 and crushing roller 7 etc., can be when preheating carry out the breakage to the pearl in the crushing roller 7, work efficiency is higher, broken case 6 is connected through first connecting tube with preheating case 1, be provided with first control valve on the first connecting tube, preheating case 1's inner wall is provided with first hot plate 5, be provided with first temperature sensor in preheating case 1.
The bottom of the crushing box 6 is communicated with a screening cover 9, the bottom of the screening cover 9 is communicated with a material discharging cylinder, the material discharging cylinder is provided with a sixth control valve, pearl powder in the screening cover 9 can be poured into a weighing box 31 under the action of the material discharging cylinder and the sixth control valve, two sides of the inner wall of the screening cover 9 are respectively provided with a mounting groove 35, two fixing blocks are respectively connected in the two mounting grooves 35 in a sliding manner, a screening net 10 is movably connected on the two fixing blocks, one side of the screening cover 9 is movably connected with an opening and closing door 36, one side of the opening and closing door 36 is fixedly connected with an elastic block 37, the number of the elastic blocks 37 is two, the positions of the two elastic blocks 37 are respectively corresponding to the positions of the two fixing blocks, materials on the screening net can be taken out under the combined action of the opening and closing door 36, the mounting grooves 35, the fixing blocks and the like, under the action of the elastic blocks 37, after the opening and closing door 36 is closed, the elastic blocks 37 can fix the fixing blocks, be provided with vibrating motor 11 on screening net 10, under the effect of screening net 10 and vibrating motor 11, can filter broken pearl powder, the bottom intercommunication of broken case 6 has the second connecting cylinder, be provided with the second control valve on the second connecting cylinder, be provided with drive mechanism on the first support frame 8, fixedly connected with connecting plate 33 on transport mechanism 12, swing joint has electric putter 32 on the connecting plate 33, fixedly connected with bracing piece on the connecting plate 33, the top swing joint of bracing piece has weighing box 31, the bottom of weighing box 31 and electric putter 32's the other end swing joint, be provided with weighing sensor in the weighing box 31, under the combined action of transport mechanism 12 and electric putter 32 etc., can be with the pearl powder in the weighing box 31 pouring into reaction box 23 in, it is more convenient to use.
A second temperature sensor 16 is arranged in the reaction box 23, an opening 21 and a sliding groove are arranged on one side of the reaction box 23, the same baffle plate 22 is connected in the opening 21 and the sliding groove in a sliding way, a fixed rope 28 is fixedly connected to the top of the baffle plate 22, a fixed frame 34 is fixedly connected to the top of the reaction box 23, a second motor 29 is fixedly connected to the fixed frame 34, a winding wheel 30 is fixedly connected to the second motor 29, a guide wheel 27 is fixedly connected to the fixed frame 34, the other end of the fixed rope 28 penetrates through the guide wheel 27 and is fixedly connected to the winding wheel 30, a second heating plate 17 is arranged in the reaction box 23, a lactic acid feeding cylinder 13 and a purified water feeding cylinder 14 are arranged on the reaction box 23, a fifth control valve is arranged on the purified water feeding cylinder 14, a stirring mechanism 18 is arranged on the reaction box 23, a third connecting cylinder is connected to the bottom of the reaction box 23, and a fourth control valve is arranged on the third connecting cylinder, through the setting of lactic acid feed cylinder 13 and purified water feed cylinder 14 to under the effect of third control valve and fifth control valve, can get into reaction tank 23 with lactic acid and purified water, under the effect of rabbling mechanism 18, make the reaction more abundant.
Specifically, the number of the lactic acid feeding cylinders 13 is two, and the two lactic acid feeding cylinders 13 are provided with third control valves.
Specifically, the top of preheating case 1 is provided with feed cylinder 2, one side fixedly connected with controller 19 of bottom plate 20, controller 19 respectively with first motor 4, second motor 29, first hot plate 5, second hot plate 17, transport mechanism 12, rabbling mechanism 18, first temperature sensor, second temperature sensor 16, weight sensor, first control valve, second control valve, third control valve, fourth control valve, fifth control valve, sixth control valve, rabbling mechanism 18 and transport mechanism 12 pass through wire electric connection.
The utility model discloses a theory of operation does:
s1, adding pearls through the feeding cylinder 2, heating in the preheating box 1, after heating is finished, controlling a first control valve to be opened by the controller 19, enabling the preheated pearls to enter the crushing box 6, then closing the first control valve, continuing to add the pearls through the feeding cylinder 2, after the adding is finished, controlling the first motor 4 to work by the controller 19, driving the stirring roller 3 to rotate by the first motor 4, and crushing the preheated pearls by the crushing roller 7 under the combined action of the first rotating wheel 24, the second rotating wheel 26 and the belt 25, so that the working efficiency is higher;
s2, after crushing, the controller 19 controls the second control valve to open, so that the crushed pearl powder falls on the screening net 10, the pearl powder can be screened under the action of the vibration motor 11, then the sixth control valve is opened, the pearl powder in the screening cover 9 can be poured into the weighing box 31, the sixth control valve is closed after the pearl powder reaches 2.5kg measured by the weight sensor, then the conveying mechanism 12 rotates, the weighing box 31 moves towards the opening 21, when the pearl powder reaches the opening 21, the second motor 29 winds the fixing rope 28, the fixing rope 28 with the baffle plate 22 does not shield the opening 21 any more, and then the electric push rod 32 extends, so that the powder in the weighing box 31 is poured into the reaction box 23;
s3, feeding 6kg of food lactic acid in one lactic acid feeding cylinder 13 and 75L of purified water in the purified water feeding cylinder 14 into the reaction box 23, heating the raw materials to 70-75 ℃ by the second heating plate 17, carrying out acidolysis for 60 minutes, then adding 6kg of lactic acid in the other lactic acid feeding cylinder 13, stirring by the stirring mechanism 18, fully dissolving, and cooling to 50 ℃ to complete the acidolysis of the pearl calcium powder lactic acid as a health product.
While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (6)
1. The utility model provides a health food pearl calcium powder high efficiency acid hydrolysis equipment, includes bottom plate (20), its characterized in that: the bottom plate (20) is fixedly connected with a first support frame (8) and a second support frame (15), the first support frame (8) and the second support frame (15) are respectively and fixedly connected with a crushing box (6) and a reaction box (23), the top of the crushing box (6) is fixedly connected with a preheating box (1), two sides of the inner wall of the preheating box (1) are respectively and fixedly connected with a first bearing, a first rotating shaft is movably arranged in the two first bearings in a penetrating manner, the opposite ends of the two first rotating shafts are fixedly connected with stirring rollers (3), one end of one first rotating shaft is fixedly connected with a first rotating wheel (24), the other end of the other first rotating shaft is fixedly connected with a first motor (4), one side of the inner wall of the crushing box (6) is fixedly connected with a second bearing, a second rotating shaft is movably arranged in the second bearing in a penetrating manner, one end of the second rotating shaft is fixedly connected with a crushing roller (7), the other end of the second rotating shaft is fixedly connected with a second rotating wheel (26), the second rotating wheel (26) is in transmission connection with a first rotating wheel (24) through a belt (25), the crushing box (6) is connected with the preheating box (1) through a first connecting cylinder, a first control valve is arranged on the first connecting cylinder, a first heating plate (5) is arranged on the inner wall of the preheating box (1), and a first temperature sensor is arranged in the preheating box (1);
the bottom of the crushing box (6) is communicated with a screening cover (9), mounting grooves (35) are formed in two sides of the inner wall of the screening cover (9), fixed blocks are connected in the two mounting grooves (35) in a sliding mode, screening nets (10) are movably connected to the two fixed blocks, an opening and closing door (36) is movably connected to one side of the screening cover (9), elastic blocks (37) are fixedly connected to one side of the opening and closing door (36), the number of the elastic blocks (37) is two, the positions of the two elastic blocks (37) correspond to the positions of the two fixed blocks respectively, a vibrating motor (11) is arranged on the screening net (10), a second connecting cylinder is communicated with the bottom of the crushing box (6), a second control valve is arranged on the second connecting cylinder, a transmission mechanism is arranged on the first supporting frame (8), and a connecting plate (33) is fixedly connected to the transmission mechanism (12), an electric push rod (32) is movably connected to the connecting plate (33), a supporting rod is fixedly connected to the connecting plate (33), a weighing box (31) is movably connected to the top end of the supporting rod, the bottom of the weighing box (31) is movably connected with the other end of the electric push rod (32), and a weight sensor is arranged in the weighing box (31);
a second temperature sensor (16) is arranged in the reaction box (23), an opening (21) and a sliding groove are arranged on one side of the reaction box (23), the opening (21) and the sliding groove are connected with a same baffle (22) in a sliding way, the top of the baffle (22) is fixedly connected with a fixed rope (28), the top of the reaction box (23) is fixedly connected with a fixed frame (34), the fixed frame (34) is fixedly connected with a second motor (29), a winding wheel (30) is fixedly connected to the second motor (29), a guide wheel (27) is fixedly connected to the fixed frame (34), the other end of the fixed rope (28) passes through the guide wheel (27) and is fixedly connected to the winding wheel (30), a second heating plate (17) is arranged in the reaction box (23), and a lactic acid feeding cylinder (13) and a purified water feeding cylinder (14) are arranged on the reaction box (23).
2. The efficient acidolysis equipment for pearl calcium powder as a health food according to claim 1, which is characterized in that: the number of the lactic acid feeding cylinders (13) is two, and the two lactic acid feeding cylinders (13) are provided with third control valves.
3. The efficient acidolysis equipment for pearl calcium powder as a health food according to claim 1, which is characterized in that: the reaction box (23) is provided with a stirring mechanism (18), the bottom of the reaction box (23) is connected with a third connecting cylinder, and a fourth control valve is arranged on the third connecting cylinder.
4. The efficient acidolysis equipment for pearl calcium powder as a health food according to claim 1, which is characterized in that: the purified water feeding cylinder (14) is provided with a fifth control valve, the bottom of the screening cover (9) is communicated with a material discharging cylinder, and the material discharging cylinder is provided with a sixth control valve.
5. The efficient acidolysis equipment for pearl calcium powder as a health food according to claim 1, which is characterized in that: the top of the preheating box (1) is provided with a feeding cylinder (2), and one side of the bottom plate (20) is fixedly connected with a controller (19).
6. The efficient acidolysis equipment for pearl calcium powder as a health food according to claim 5, which is characterized in that: the controller (19) is respectively electrically connected with the first motor (4), the second motor (29), the first heating plate (5), the second heating plate (17), the conveying mechanism (12), the stirring mechanism (18), the first temperature sensor, the second temperature sensor (16), the weight sensor, the first control valve, the second control valve, the third control valve, the fourth control valve, the fifth control valve, the sixth control valve, the stirring mechanism (18) and the conveying mechanism (12) through leads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121101291.5U CN214863529U (en) | 2021-05-21 | 2021-05-21 | High-efficiency acidolysis equipment for pearl calcium powder as health food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121101291.5U CN214863529U (en) | 2021-05-21 | 2021-05-21 | High-efficiency acidolysis equipment for pearl calcium powder as health food |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214863529U true CN214863529U (en) | 2021-11-26 |
Family
ID=78900409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121101291.5U Active CN214863529U (en) | 2021-05-21 | 2021-05-21 | High-efficiency acidolysis equipment for pearl calcium powder as health food |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214863529U (en) |
-
2021
- 2021-05-21 CN CN202121101291.5U patent/CN214863529U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113603092A (en) | Mixed dosing unit is smelted to industrial silicon based on blue charcoal technology | |
| CN214863529U (en) | High-efficiency acidolysis equipment for pearl calcium powder as health food | |
| CN215586312U (en) | Preparation device for phenolic glass fiber mold material | |
| CN207201902U (en) | A kind of shellfish continuous high-efficient screening plant | |
| CN212523223U (en) | Solid-liquid separation device with drying function for pharmaceutical chemical production | |
| CN113136627A (en) | Silkworm of environmental protection boils cocoon system of drawing silk | |
| CN210303365U (en) | Impregnating compound mixing equipment | |
| CN114941942A (en) | Efficient raw material smelting equipment for aluminum production | |
| CN211436391U (en) | Building block processing is with raw materials sieving mechanism | |
| CN211968343U (en) | Circuit board powder environmental protection tubulation device | |
| CN105126682B (en) | Fodder stirring device | |
| CN206045935U (en) | A kind of double casing mixing arrangements of industrial chemicals | |
| CN209395216U (en) | A kind of polypropylene woven bag production and processing film extrusion equipment | |
| CN213421812U (en) | Preheating device of casting furnace | |
| CN207546655U (en) | A kind of novel broken cotton machine | |
| CN213013781U (en) | Asphalt melting device for highway engineering | |
| CN210233452U (en) | Injection molding composite self-insulation building block production equipment | |
| CN216856519U (en) | Powder mixer for chemical production of misce bene | |
| CN210869711U (en) | Automatic change tealeaves parch equipment | |
| CN113718589B (en) | Preparation facilities of high permeable asphalt mixture | |
| CN218393447U (en) | Production device of thermal insulation coating | |
| CN219880560U (en) | High-purity quartz sand chlorination device | |
| CN216149599U (en) | Promote ceramic colouring material production mixing arrangement who mixes effect | |
| CN213104318U (en) | Sand mixer for casting | |
| CN220219106U (en) | Building block mould for aerated concrete building block processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |