CN210211293U - Environment-friendly powder coating extrusion breaker - Google Patents
Environment-friendly powder coating extrusion breaker Download PDFInfo
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- CN210211293U CN210211293U CN201920185325.XU CN201920185325U CN210211293U CN 210211293 U CN210211293 U CN 210211293U CN 201920185325 U CN201920185325 U CN 201920185325U CN 210211293 U CN210211293 U CN 210211293U
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Abstract
The utility model relates to an environment-friendly powder coating extrusion breaker. The screw rod driving mechanism comprises screw rods, wherein the two screw rods are symmetrically arranged in a cylinder body and are driven by a driving device to rotate oppositely; the device comprises a barrel, a flow distribution plate is arranged at one discharging end of the barrel, a screen is arranged on the outer side of the flow distribution plate, and a heating device is arranged on the outer wall of the barrel; cooling the press roll device; a conveying device; a crushing device. This environment-friendly powder coating extrusion breaker has solved the not good problem of material plastify effect, has improved the compression of fuse-element granule and the productivity and the efficiency of homogenization, can in time discharge high-temperature gas, can alleviate equipment vibrations harm again, extension equipment life. The heat exchange tube is spirally coiled in the hollow compression roller, so that the flowing time of the cooling liquid in the hollow compression roller is prolonged, the heat exchange efficiency of the cooling liquid and the hollow compression roller is improved, the temperature distribution of the hollow compression roller is more uniform, and the product quality after tabletting is ensured.
Description
Technical Field
The utility model belongs to the technical field of the coating production equipment, concretely relates to environment-friendly powder coating extrusion breaker.
Background
The powder coating is in a completely different form from general coating, and it exists in a state of fine powder. Since no solvent is used, it is called a powder coating. Specifically, the powder coating is a coating prepared by preparing a powder of particles having a uniform fineness from a specific chemical substance by a specific preparation process such as physical or mechanical treatment, and coating the powder in the form of powder. Unlike common solvent-based paint and water-based paint, the paint does not use solvent or water as a dispersing medium, but uses air as the dispersing medium, has the advantages of energy and resource saving, small environmental pollution influence, simple and convenient process, easy realization of automatic coating, firm and durable coating, recyclable powder and the like, and is increasingly widely applied to industrial production.
The powder coating is prepared by using nano material, polyester resin, T105M, nano rutile, etc. as main material and through three-stage pre-mixing, fusing, extruding to form sheet material, cooling and crushing into powder. However, in the process of implementing the technical solution of the present invention, the inventor of the present application finds that the above-mentioned technology has at least the following technical problems: 1. because of the high extrusion temperature, the prior art does not consider the treatment of generating high-temperature gas, which is extremely disadvantageous to production equipment. 2. In the prior art, after materials in a hot melting state are rolled into strips by a compression roller, the strips are naturally cooled in the transportation process, but the phenomenon that the mixture is adhered to the compression roller is easily generated by directly rolling the materials in a melting state, so that tabletting is not uniform, and the tabletting is not sufficiently cooled by a natural cooling mode, so that the later-period coating effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an environment-friendly powder coating extrusion breaker has solved material extrusion melting in-process and has produced high-temperature gas unfavorable to production facility, and the sticky even and inhomogeneous problem of preforming of material roll extrusion has realized that extrusion melting produces the heat and has reduced, and high-temperature gas in time discharges, the even technological effect of material preforming.
The application provides an environment-friendly powder coating extrusion crushing device which is characterized by comprising two screw rods, wherein the two screw rods are symmetrically arranged in a cylinder body, a driving device drives the two screw rods to rotate in opposite directions, and each screw rod is provided with a plurality of screw parts with different specifications; the two screws are identical in the rotating direction corresponding to the spiral parts and are meshed with each other; the device comprises a barrel, wherein one end of the barrel is provided with a feed hopper for feeding materials into the barrel, the other end of the barrel is provided with a first discharge port, one discharge end of the barrel is provided with a flow distribution plate, the outer side of the flow distribution plate is provided with a screen, and the outer wall of the barrel is provided with a heating device; the cooling compression roller device is arranged below the first discharge port and comprises two hollow compression rollers, the rotating directions of the two hollow compression rollers are opposite, the axes of the two hollow compression rollers are parallel to each other, and heat exchange tubes are arranged in the hollow compression rollers; the conveying device is arranged below the hollow compression roller; the crushing device comprises a feeding hole, two crushing teeth and a second discharging hole which are sequentially corresponding from high to low, wherein the crushing teeth rotate oppositely, the axes of the crushing teeth are parallel to each other, and a storage box is arranged below the second discharging hole.
Preferably, each screw is divided into a conveying section, a compression section and a homogenization section; wherein the barrel that the transport section corresponds is equipped with the feeder hopper, the spiral piece of installing on two screws of the inside barrel that transport section, compression section and homogenization section correspond is forward spiral, and during the assembly, two screw phase difference 90 phase angles. By the preferred embodiment, the retention time of the materials in the cylinder is short, and the product yield in the extrusion melting state is high; the quality of the materials extruded and plasticized on a double-screw extruder and mixed and plasticized is relatively stable; the twin-screw is meshed to rotate, and the residual materials in the cylinder can be automatically cleaned.
Preferably, the screw elements and kneading elements of the corresponding screw elements on the conveying section adopt large-lead screw threads; the screw element and the kneading element of the corresponding screw element on the compression section adopt middle lead screw; the screw elements and kneading elements of the corresponding screw elements on the homogenizing section adopt small-lead screw threads.
Preferably, the length-diameter ratio of the screw is: L/D =26 ~ 28, and the compression ratio of the screw is i = 1.1 ~ 1.5. Through this preferred embodiment, can reach better plastify effect, improve the extrusion product output, and can less material through the heat that the extrusion produced.
Preferably, the guide groove is formed in the side wall of the barrel, high-temperature gas can be discharged in time through the guide groove in a high-temperature melting working environment, damage to equipment caused by high-temperature gas accumulation is avoided, equipment vibration damage can be reduced, and the service life of the equipment is prolonged.
Preferably, the heat exchange tube is spiral disc in hollow compression roller inner chamber, the heat exchange tube both ends are connected with inlet tube and outlet pipe respectively, inlet tube and outlet pipe intercommunication have the coolant liquid case, the splendid attire has the coolant liquid in the coolant liquid case, inlet tube, heat exchange tube, outlet pipe and coolant liquid case have constituted coolant liquid circulation circuit, are connected with the circulating pump on this circulation circuit. Through this preferred embodiment, can further increase the flow time of coolant liquid in hollow compression roller, improve the heat exchange efficiency of coolant liquid and hollow compression roller to make hollow compression roller temperature distribution more even, guaranteed the product quality after the preforming.
Preferably, both ends of the heat exchange tube are rotatably connected in the hollow compression roller and supported by the hollow compression roller. Through this preferred embodiment, reduced the frictional force between heat exchange tube and the hollow compression roller for hollow compression roller can steadily rotate.
Preferably, the hollow compression roller is formed by splicing two mirror-symmetrical half rollers, and the two half rollers are fixedly connected through a structure of a protrusion and a clamping groove. Through this preferred technical scheme, can prevent that hollow compression roller from taking place axial displacement at two half rollers of rotation in-process, guarantee the preforming effect to the material.
Preferably, the top of the barrel is provided with a protective cover plate for preventing personnel from being scalded.
The technical scheme of the application has the following beneficial effects at least:
⒈ the embodiment of the present application discloses an environment-friendly powder coating extrusion crushing device, which comprises two screws symmetrically arranged in a cylinder, wherein the two screws are driven by a driving device to rotate oppositely, each screw is provided with a plurality of screw members with different specifications, the two screws have the same rotating direction corresponding to the screw members and are mutually meshed, the cylinder is provided with a feed hopper at one end for feeding materials into the cylinder, the other end of the cylinder is provided with a first discharge hole, the cylinder is provided with a splitter plate at the discharge end, a screen is arranged outside the splitter plate, the outer wall of the cylinder is provided with a heating device, a cooling compression roller device is arranged below the first discharge hole and comprises two hollow compression rollers, the two hollow compression rollers have opposite rotating directions and parallel axes, a heat exchange pipe is arranged in the hollow compression rollers, a conveying device is arranged below the hollow compression rollers, the crushing device comprises a feed inlet, two crushing teeth and a second discharge hole, the two crushing teeth rotate oppositely, the axes are parallel to each other, a storage box is arranged below the second discharge hole, the splitter plate is arranged at the outlet end of the cylinder, the crushing device, the feeding hole, the crushing teeth and the crushing device comprises a material feeding hole, two crushing teeth, a second discharge hole, a crushing tooth, a compression roller, a.
⒉ the guiding gutter that the barrel lateral wall set up in the embodiment of this application, the high-temperature gas who has solved production in the equipment can't in time be discharged, therefore the technical problem of loss equipment life, in time discharge high-temperature gas through the guiding gutter, avoid high-temperature gas to store up the injury to equipment, can alleviate equipment vibrations harm again, extension equipment life.
⒊ in the embodiment of the application, "each screw is divided into a conveying section, a compression section and a homogenization section", wherein a feed hopper is arranged on a barrel corresponding to the conveying section, and spiral parts arranged on two screws in the barrel corresponding to the conveying section, the compression section and the homogenization section are both forward spirals, and during assembly, the phase difference between the two screws is 90 degrees.
⒋ in the embodiment of the application, "the length-diameter ratio of the screw is L/D = 26-28, and the compression ratio of the screw is i = 1.1-1.5" through the setting of screw parameters, the problem of insufficient material plasticizing capacity in the prior art is solved, the rotating speed of the screw is increased, the extrusion capacity can be increased by 1-2 times, a better plasticizing effect can be achieved, and the heat generated by shearing and extruding the material is reduced.
Drawings
FIG. 1: the structure schematic diagram of the environment-friendly powder coating extrusion crushing device is shown;
FIG. 2: a schematic structural diagram of the cooling compression roller device;
FIG. 3: the structure schematic diagram of the crushing device;
FIG. 4: a schematic structural diagram of the screw;
in the figure: 1-a screw; 11-a screw; 2-a cylinder body; 21-a feed hopper; 22-a first discharge port; 23-a splitter plate; 24-a screen mesh; 25-a heating device; 26-a motor; 31-hollow press rolls; 32-heat exchange tubes; 33-a water inlet pipe; 34-a water outlet pipe; 35-coolant tank; 36-a circulation pump; 41-a feed inlet; 42-crushing teeth; 43-a second discharge port; 44-a material storage box; 51-a conveyor belt; 52-a pulley; 6-diversion trench; 7-protective cover plate.
Detailed Description
The embodiment of the application provides an environment-friendly powder coating extrusion crushing device, and solves the problems that high-temperature gas generated in the material extrusion melting process is unfavorable for production equipment, materials are rolled and adhered, and tabletting is not uniform; through set up the heat exchange tube in hollow compression roller, and the heat exchange tube spirals in hollow compression roller, has prolonged the coolant liquid flow time in hollow compression roller, has improved the heat exchange efficiency of coolant liquid with hollow compression roller to make hollow compression roller temperature distribution more even, guaranteed the product quality after the preforming.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Referring to the attached drawing 1, the environment-friendly powder coating extrusion crushing device of the embodiment comprises two screws 1, a cylinder 2, a cooling compression roller device, a conveying device and a crushing device. Wherein, two screw rods symmetry set up in barrel 2, all install the spiral piece 11 of a plurality of different specifications on every screw rod 1, the corresponding spiral piece 11 on two screw rods 1 revolves to the same, and interlock each other.
Referring to fig. 4, preferably, in the environment-friendly powder coating material crushing apparatus of this embodiment, each screw 1 is divided into a conveying section a, a compressing section B and a homogenizing section C, wherein a feed hopper 21 is disposed on a barrel corresponding to the conveying section a, and spiral pieces 11 mounted on two screws 1 inside a barrel 2 corresponding to the conveying section a, the compressing section B and the homogenizing section C are both forward spirals, and when assembling, the phases of the two screws are different by a phase angle of 90 °. The screw rod is designed in a segmented mode and the screw part structures are matched, so that the retention time of materials in the cylinder body is short, the product yield in an extrusion melting state is high, and the quality of extrusion plasticizing and mixing plasticizing of the materials on the double-screw extruder is stable. In addition, the twin-screw meshing rotation work makes the interior defective material of barrel can clear up automatically.
The conveying section A has the solid conveying function, the materials are in an unplasticized solid state in the conveying section A, loose particles are gradually changed into compact particles, and heat is generated through friction; the compression section B has the function of melting the material, and the material is gradually changed from a solid state to a viscous state in the compression section B; the homogenizing section C is mainly used for increasing the pressure of the molten material sent from the compression section, further uniformly plasticizing the molten material and extruding the molten material from the first discharge port in a constant pressure and quantitative manner.
Preferably, in the environment-friendly powder coating material crushing device of the embodiment, the screw elements and the kneading elements of the screw 11 corresponding to the conveying section a adopt large-lead screw threads; the corresponding screw element and kneading element of the screw element 11 on the compression section B adopt a middle lead screw thread; the screw element and the kneading element of the screw part 11 corresponding to the homogenization section C adopt a small lead screw; the angles of the spiral parts 11 on the three sections of the screw are different, and the generated shearing force is different, so that the melting and extrusion are facilitated to adapt to the tiny difference among material particles, and the homogenization effect is improved.
The lead is large, the pitch is 1.5D-2D, and the lead is small, the pitch is about 0.4D. The use rule of the screw is as follows: as the lead increases, the throughput of the screw 1 increases, the residence time of the material decreases, and the mixing effect decreases. The situation of selecting the large-lead screw thread is mainly the situation of conveying, which is beneficial to improving the yield; the selected intermediate-lead thread occasion is mainly mixed, is a combination of different working sections which are gradually reduced, and is used for conveying and pressurizing; the situation that the small lead screw threads are used is selected, generally the small lead screw threads are combined and gradually reduced, the small lead screw threads are used for a conveying section and a homogenizing section, the effects of pressurizing and improving the melting effect are achieved, the physical and chemical degree of a mixture can also be improved, and the stable extrusion of materials is guaranteed.
Preferably, in the environment-friendly powder coating material crushing device of the embodiment, the length-diameter ratio of the screw 1 is: L/D = 26-28, and the compression ratio i = 1.1-1.5 of the screw 1. The screw rod adopts the parameters, so that a better plasticizing effect can be achieved, the output of an extruded product is improved, and the heat generated by extruding materials can be reduced.
Install two screw rods 1 in the barrel 2, the one end of barrel 2 is provided with the feeder hopper 21 of sending into the barrel 2 with the material, and the other end of barrel 2 is equipped with first discharge gate 22, and the one end inner wall that barrel 2 is close to first discharge gate is provided with flow distribution plate 23, and the barrel 2 port in the flow distribution plate 23 outside is equipped with screen cloth 24, and the barrel 2 outer wall is equipped with heating device 25. The one end that barrel 2 established the feeder hopper is connected with motor 26 through the transmission shaft, the relative incorgruous rotating of two screw rods 1 of motor 26 drive, the screw rod is rotating friction extrusion material in opposite directions, and the heating device of cooperation barrel outer wall heats the material between two screw rods, realizes the melting to the material.
Particularly, the inner wall of the cylinder body 2 is provided with the splitter plate 23, so that the material conveying efficiency can be increased, the compression and homogenization of the materials in the molten state are facilitated, the productivity and efficiency of the compression and homogenization of the materials in the molten state are improved, and the composite operation is completed while the materials are extruded. Due to the arrangement of the screen 24 on the outer side of the flow distribution plate 23, impurities of extruded materials can be filtered, and the quality of the materials is improved.
A cooling press roller device is arranged below the first discharge hole 22 of the cylinder body 2, and specifically, the cooling press roller device comprises two hollow press rollers 31, the rotating directions of the two hollow press rollers 31 are opposite, and the axes of the two hollow press rollers are parallel to each other, so that the molten materials entering the two hollow press rollers can be rolled. The heat exchange tube 32 is arranged in the hollow compression roller 31 to cool the hollow compression roller, so that the temperature of the hollow compression roller is uniformly distributed, and the molten material is prevented from being adhered to the compression roller.
Referring to fig. 2, preferably, in the environment-friendly powder coating extrusion crushing device of the embodiment, the heat exchange tube 32 is in a spiral disc shape in the inner cavity of the hollow pressing roll 31, two ends of the heat exchange tube 32 are respectively connected with the water inlet tube 33 and the water outlet tube 34, the water inlet tube 33 and the water outlet tube 34 are communicated with the coolant tank 35, the coolant tank 35 contains coolant, the water inlet tube 33, the heat exchange tube 32, the water outlet tube 34 and the coolant tank 35 form a coolant circulation loop, and the circulation loop is connected with the circulation pump 36. The cooling liquid in the cooling liquid circulation loop runs circularly, so that the cooling efficiency of the cooling liquid on the hollow compression roller is improved, and the temperature distribution of the hollow compression roller is more uniform. And the spiral winding structure of the heat exchange tube can further increase the flowing time of the cooling liquid in the hollow compression roller, further improve the heat exchange efficiency of the cooling liquid and the hollow compression roller, and ensure the quality of the pressed product.
Preferably, in the environment-friendly powder coating crushing device of the embodiment, two ends of the heat exchange tube 32 are rotatably connected in the hollow compression roller 31 and supported by the hollow compression roller 31, and the structural design reduces the friction force between the heat exchange tube and the hollow compression roller, so that the hollow compression roller can rotate stably.
Preferably, in the environment-friendly powder coating extrusion breaker of this embodiment, hollow compression roller 31 is formed by two mirror symmetry's half roller concatenations, and it is fixed through the structural connection of arch and draw-in groove between two half rollers, can prevent that hollow compression roller 31 from rotating the in-process, and axial displacement takes place for two half rollers, guarantees the preforming effect to the material, and also does benefit to the change of heat exchange tube, has indirectly improved work efficiency.
The sheet-shaped product is cooled by the cooling compression roller device and is transmitted to the feed inlet of the crushing device through the conveying device, the conveying device is positioned below the hollow compression roller 31, and the material can be further naturally cooled through air in the conveying process.
Referring to fig. 3, the crushing device includes a feeding port 41, two crushing teeth 42, and a second discharging port 43 corresponding in sequence from high to low, the sheet material conveyed by the conveying device enters the two crushing teeth 42 from the feeding port 41, the two crushing teeth 42 are driven by the motor to rotate in opposite directions, the axes are parallel to each other, the sheet material entering between the two crushing teeth 42 is crushed by the opposite movement of the two crushing teeth 42, and the crushed material falls into the storage box 44 below from the second discharging port 43.
Preferably, in the environment-friendly powder coating extrusion breaker of this embodiment, the guiding gutter 6 has been seted up on the barrel lateral wall, under high temperature melting operational environment, can in time discharge high-temperature gas through the setting of guiding gutter, avoid high-temperature gas to store up the injury to equipment, can alleviate equipment vibrations harm again, extension equipment life.
Preferably, in the environment-friendly powder coating crushing device of this embodiment, the barrel top is equipped with protective cover plate 7 for avoid personnel to scald.
The working principle of the environment-friendly powder coating extrusion crushing device of the embodiment is as follows: firstly, a driving motor of the screw rods is turned on, materials enter the cylinder body from the feed hopper, the two screw rods rotate oppositely, the materials are melted in the cylinder body, the materials fall to a space between the hollow compression rollers from the first discharge port, and the materials are cooled and rolled into sheets by the hollow compression rollers. The flaky materials are conveyed to the feeding port through the conveying belt positioned below the hollow compression roller and enter the storage box through the second discharging port after being crushed by the crushing teeth.
When the melted material falls from the first discharge hole into the gap between the two hollow compression rollers, the material can be cooled, solidified and pressed into sheets when passing through the hollow compression rollers due to the heat exchange tubes arranged in the hollow compression rollers. The cooling liquid flowing in the heat exchange tube in a continuous circulating mode can enable the hollow compression roller to continuously dissipate heat, so that the surface temperature of the hollow compression roller is prevented from being too high in a long-time tabletting process, and the phenomenon of material adhesion is prevented.
Because the heat exchange tube rotates to be connected in the hollow compression roller, when motor drive hollow compression roller rotates, the heat exchange tube is static relative to the hollow compression roller for the coolant liquid can not exert resistance to the hollow compression roller at the rotation in-process of hollow compression roller, and the required power of drive hollow compression roller is effectively reduced, helps energy-conservingly.
Obviously the utility model discloses the concrete realization does not receive the restriction of above-mentioned mode, as long as adopted the utility model discloses a method design and technical scheme go on various insubstantial improvements, or will not improve the utility model discloses a design and technical scheme direct application are all within the scope of protection of the utility model to other occasions.
Claims (9)
1. An environment-friendly powder coating extrusion crushing device is characterized by comprising
The two screw rods are symmetrically arranged in the cylinder body, the driving device drives the two screw rods to rotate in opposite directions, and each screw rod is provided with a plurality of screw parts with different specifications; the two screws are identical in the rotating direction corresponding to the spiral parts and are meshed with each other;
the device comprises a barrel, wherein one end of the barrel is provided with a feed hopper for feeding materials into the barrel, the other end of the barrel is provided with a first discharge port, one discharge end of the barrel is provided with a flow distribution plate, the outer side of the flow distribution plate is provided with a screen, and the outer wall of the barrel is provided with a heating device;
the cooling compression roller device is arranged below the first discharge port and comprises two hollow compression rollers, the rotating directions of the two hollow compression rollers are opposite, the axes of the two hollow compression rollers are parallel to each other, and heat exchange tubes are arranged in the hollow compression rollers;
the conveying device is arranged below the hollow compression roller;
the crushing device comprises a feeding hole, two crushing teeth and a second discharging hole which are sequentially corresponding from high to low, wherein the crushing teeth rotate oppositely, the axes of the crushing teeth are parallel to each other, and a storage box is arranged below the second discharging hole.
2. The environment-friendly powder coating material crushing device as recited in claim 1, wherein each screw is divided into a conveying section, a compressing section and a homogenizing section; wherein the barrel that the transport section corresponds is equipped with the feeder hopper, the spiral piece of installing on two screws of the inside barrel that transport section, compression section and homogenization section correspond is forward spiral, and during the assembly, two screw phase difference 90 phase angles.
3. The environment-friendly powder coating material crushing apparatus as recited in claim 2, wherein the screw elements and the kneading elements of the screw members of the conveying section are formed with large-lead screw threads; the screw element and the kneading element of the corresponding screw element on the compression section adopt middle lead screw; the screw elements and kneading elements of the corresponding screw elements on the homogenizing section adopt small-lead screw threads.
4. The environment-friendly powder coating extrusion crushing device of claim 1 or 2, wherein the length-diameter ratio of the screw is as follows: L/D =26 ~ 28, and the compression ratio of the screw is i = 1.1 ~ 1.5.
5. The environment-friendly powder coating crushing device as recited in claim 1, wherein a flow guide groove is formed on a side wall of the cylinder.
6. The environment-friendly powder coating crushing device as recited in claim 1, wherein the heat exchange tube is in a spiral disc shape in the inner cavity of the hollow compression roller, a water inlet tube and a water outlet tube are respectively connected to two ends of the heat exchange tube, the water inlet tube and the water outlet tube are communicated with a coolant tank, coolant is contained in the coolant tank, the water inlet tube, the heat exchange tube, the water outlet tube and the coolant tank form a coolant circulation loop, and a circulation pump is connected to the circulation loop.
7. The environment-friendly powder coating crushing device as recited in claim 6, wherein both ends of the heat exchange tube are rotatably connected inside the hollow press roll and supported by the hollow press roll.
8. The environment-friendly powder coating extrusion crushing device as recited in claim 1 or 6, wherein the hollow press roll is formed by splicing two mirror-symmetrical half rolls, and the two half rolls are fixedly connected through a structure of a protrusion and a clamping groove.
9. The environment-friendly powder coating crushing device as recited in claim 1, wherein a protective cover plate is provided on the top of the cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920185325.XU CN210211293U (en) | 2019-02-02 | 2019-02-02 | Environment-friendly powder coating extrusion breaker |
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| CN201920185325.XU CN210211293U (en) | 2019-02-02 | 2019-02-02 | Environment-friendly powder coating extrusion breaker |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976053A (en) * | 2020-08-13 | 2020-11-24 | 北京圣劳伦斯散热器制造有限公司 | Fluorocarbon paint anticorrosive coating inside and outside radiator and production equipment |
| CN112547250A (en) * | 2020-11-27 | 2021-03-26 | 湖南连心科技有限公司 | Environment-friendly coating cooling reducing mechanism |
| CN113262843A (en) * | 2021-07-02 | 2021-08-17 | 赵洪杰 | Raw and other materials milling equipment is used in cement manufacture |
| CN115283064A (en) * | 2022-07-07 | 2022-11-04 | 陈昱霖 | Civil engineering material separation mashing device and mashing method |
-
2019
- 2019-02-02 CN CN201920185325.XU patent/CN210211293U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976053A (en) * | 2020-08-13 | 2020-11-24 | 北京圣劳伦斯散热器制造有限公司 | Fluorocarbon paint anticorrosive coating inside and outside radiator and production equipment |
| CN112547250A (en) * | 2020-11-27 | 2021-03-26 | 湖南连心科技有限公司 | Environment-friendly coating cooling reducing mechanism |
| CN113262843A (en) * | 2021-07-02 | 2021-08-17 | 赵洪杰 | Raw and other materials milling equipment is used in cement manufacture |
| CN115283064A (en) * | 2022-07-07 | 2022-11-04 | 陈昱霖 | Civil engineering material separation mashing device and mashing method |
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