CN112008863A - Cement batching production line - Google Patents
Cement batching production line Download PDFInfo
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- CN112008863A CN112008863A CN202010919109.0A CN202010919109A CN112008863A CN 112008863 A CN112008863 A CN 112008863A CN 202010919109 A CN202010919109 A CN 202010919109A CN 112008863 A CN112008863 A CN 112008863A
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- Prior art keywords
- sieve
- plate
- batching
- cement
- water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0481—Plant for proportioning, supplying or batching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/14—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/14—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis
- B28C5/148—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis the stirrer shaft carrying a plurality of radially extending mixing bars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
Abstract
The invention relates to the technical field of cement production, in particular to a cement batching production line, which comprises a feeding weighing machine, a batching machine and a conveyor which are sequentially communicated according to production procedures; the batching machine comprises a batching tank, a feeding hole is formed in the left side of the upper end of the batching tank, and the feeding hole is communicated with the output end of the feeding weighing machine; a discharge port is formed in the left side of the lower end of the batching tank and communicated with the input end of the conveyor; the initial position of the sieve plate is changed through the deflector rod, and the deflector rod is matched with the fixed sieve plate to adjust the opening size of the sieve hole, so that the blanking speed in the storage cylinder is adjusted, and the stability of the proportion of cement is guaranteed; meanwhile, the movable sieve plate can also break up the caking, so that the materials can fall down smoothly; the intermittent moving sieve plate can also make the fixed sieve plate generate small vibration, thereby further avoiding the blockage of the sieve holes.
Description
Technical Field
The invention relates to the technical field of cement production, in particular to a cement batching production line.
Background
Cement is a powdered hydraulic inorganic cementing material. The water is added and stirred to form slurry which can be hardened in the air or better hardened in the water and can firmly bond sand, stone and other materials together. The early mixture of lime and pozzolan is similar to modern lime-pozzolan cement, and concrete made by cementing crushed stone with it has not only higher strength but also resistance to erosion by fresh water or salt-containing water after hardening. As an important cementing material, the high-performance cement is widely applied to engineering such as civil construction, water conservancy, national defense and the like for a long time. The cement is produced by mixing a plurality of raw materials, and different raw materials are required to be mixed according to a certain proportion.
The batching machine is the most important equipment in the existing cement batching production line, can accept the cement solid raw materials according to the proportion, obtains cement slurry after adding a proper amount of water and stirring, and conducts the cement slurry to the next procedure from a discharge port; the material gets into from the pan feeding mouth of proportioning machine, generally is equipped with the stirring rake in the proportioning machine in order to stir the material of inputing it, then carries out the material with certain speed.
The prior Chinese patent (application number: 2020100422456) discloses a cement production batching device, which comprises a storage mechanism, a mixing mechanism and a conveying mechanism, wherein the storage mechanism comprises a storage bin, a partition plate, a pneumatic valve and a feed opening, the mixing mechanism comprises a stirring blade, a mixing bin, a stirring motor and a discharge opening, the invention prevents different raw materials required by cement production from being in different compartments in the same container, adopts the pneumatic valve to control the feeding of the different raw materials, and can control the proportion of the different raw materials by controlling the opening time of the pneumatic valve so as to achieve the purpose of reasonably proportioning the raw materials, and because the mixing mechanism is arranged below the storage mechanism, the raw materials falling from the feed opening of the storage mechanism can directly enter the mixing mechanism, the stirring blade is driven by the stirring motor to rotate, so that the different raw materials required by the cement production are fully mixed, and finally, the finished product is conveyed to the next processing device through the conveying mechanism, so that the quality of the obtained finished product is better.
However, due to the solid raw materials, the solid raw materials are easily accumulated at the feed opening, so that the solid raw materials cannot fall down in time, the feeding precision is low, and the proportion of cement is influenced, so that the quality of the cement is influenced.
Therefore, the cement batching production line is designed, the initial position of the sieve plate is changed through the deflector rod, and the deflector rod is matched with the fixed sieve plate to adjust the opening size of the sieve pore, so that the blanking speed in the storage cylinder is adjusted, and the stability of the proportion of cement is guaranteed; meanwhile, the movable sieve plate can also break up the caking, so that the materials can fall down smoothly; the intermittent moving sieve plate can also make the fixed sieve plate generate small vibration, thereby further avoiding the blockage of the sieve holes.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that the blanking precision of the existing batching machine is low, the proportioning of cement is influenced, and the quality of the cement is further influenced, the invention provides the cement batching production line.
The technical scheme adopted by the invention for solving the technical problems is as follows: a cement batching production line comprises a feeding weighing machine, a batching machine and a conveyor which are sequentially communicated according to production procedures; the batching machine comprises a batching tank, a feeding hole is formed in the left side of the upper end of the batching tank, and the feeding hole is communicated with the output end of the feeding weighing machine; a discharge port is formed in the left side of the lower end of the batching tank and communicated with the input end of the conveyor; a feed opening communicated with the feed opening is formed in the batching machine, a first rotating shaft which is vertically arranged is arranged in the feed opening, spiral teeth for forced feeding are fixedly arranged on the first rotating shaft, and the upper end of the rotating shaft penetrates through the top of the batching tank and is in transmission connection with a motor fixed outside the upper end of the batching tank; the lower end of the feed opening is communicated with a mixing cavity, and the lower end of the mixing cavity is communicated with a discharge opening; a storage barrel which is communicated up and down is arranged in the mixing cavity, the upper end of the storage barrel is communicated with the feed opening, a fixed sieve plate is fixedly arranged at the lower end of the storage barrel, and a plurality of groups of sieve holes which are centrosymmetric are arranged on the fixed sieve plate; decide and be provided with on the sieve and move the sieve rather than a plurality of relative motion, it passes through the rotation axis and is connected with deciding the sieve middle part to move the sieve, it has following two operating condition at least to move the sieve: the first state: the movable sieve plates are positioned right above the corresponding sieve holes, so that the sieve holes are in a completely closed state; and a second state: the movable sieve plate is positioned on one side of the sieve holes so that the sieve holes are in a fully opened state; the material storage device is characterized in that a shifting lever is fixedly arranged on the rotating shaft and positioned between adjacent movable sieve plates, the shifting lever penetrates through the material storage barrel and extends to the outside of the material storage barrel leftwards, sliding grooves matched with the shifting lever in size are correspondingly arranged on the side wall of the material storage barrel, and first springs are arranged between the front side and the rear side of each sliding groove and the shifting lever; and a stirring device is arranged in the mixing cavity below the storage cylinder.
When the feeding device is used, solid materials are added into the feeding hole through the feeding hole, the motor is started, the spiral teeth are driven to rotate through the first rotating shaft, and then forced feeding of the solid materials is realized, the situation that the feeding hole is blocked by the materials is avoided, so that the solid materials can fall in time, the feeding precision is improved, and the quality of cement is ensured; the initial position of the movable sieve plate can be changed through the deflector rod by setting the elastic force of the first springs on the two sides of the fixed deflector rod, and the initial position is matched with the fixed sieve plate to adjust the opening size of the sieve pore, so that the blanking speed in the material storage cylinder is adjusted, and the stability of the proportion of cement is guaranteed; in addition, the movable sieve plate can be extruded outwards when the materials fall from the sieve holes, so that the movable sieve plate rotates in a small range, and the movable sieve plate intermittently reciprocates under the action of the first spring, so that the materials can be prevented from being accumulated at the sieve holes by the small-range movement, the sieve holes are prevented from being blocked, and simultaneously, the movable sieve plate can break up lumps to enable the materials to fall smoothly; the intermittent moving sieve plate can also make the fixed sieve plate generate small vibration, thereby further avoiding the blockage of the sieve holes.
Preferably, the feed opening reduces from being close to feed inlet one side to being close to the radius of storage cylinder one side for the material granule receives the extrusion and diminishes, reduces the probability that the feed opening was blockked up to the material. Through making the feed opening from being close to feed inlet one side to being close to the radius of storage cylinder one side and reducing gradually, can make the material receive the extrusion force of helical tooth and be bigger and bigger, and then make the material break and refine and the particle diameter is littleer, avoids blockking up the condition of sieve mesh because of solid material granule is too big.
Preferably, an annular cavity is formed between the side wall of the storage cylinder and the inner wall of the mixing cavity, a guide plate which is spirally and downwardly arranged along the inner wall of the mixing cavity is arranged in the annular cavity, and the section of the guide plate is L-shaped and forms a water channel for water flow together with the inner wall of the mixing cavity; the upper part of the batching tank is provided with a water inlet pipe extending to the upper end of the water channel. Water is injected into the mixing cavity through the water inlet pipe and is mixed with the solid materials falling from the sieve pores, slurry with a gentle liquid level is formed under the action of the stirring device, the phenomenon that the falling of the materials at the sieve pores is blocked due to the overhead accumulation of the solid materials is avoided, meanwhile, the fluidity of the ingredients is better due to the water flow, and the subsequent discharge of cement finished products is facilitated; in addition, the guide plates are arranged downwards in a spiral mode, so that the dropping height of water flow is reduced, the probability of foaming of materials is reduced, and the problem that the quality of cement is affected due to the fact that air bubbles are generated by ingredients due to impact is avoided.
Preferably, the mixing chamber upper end is located that inlet tube one side is articulated to have a baffle, the baffle extends to in the water course and just to the tip of inlet tube, pass through second spring coupling between baffle and the mixing chamber lateral wall. Can cushion the rivers that go into from the inlet tube through the baffle, the direction that changes rivers simultaneously makes rivers flow to mixing chamber inner wall one side, and rivers rush out the condition that the guide plate directly drips when avoiding rivers flow sudden grow, and then make rivers can follow the water course of spiral and move down, further prevent that the batching from splashing and leading to a large amount of bubbles to produce and influence the cement quality.
Preferably, the free end of the deflector rod is provided with a water baffle which is positioned at an outlet at the lower end of the water channel, and the water baffle is impacted by water flow discharged from the water channel to enable the swing rod, the rotating shaft and the movable sieve plate to rotate correspondingly so as to adjust the opening size of the sieve pore. The water baffle is arranged at the outlet at the lower end of the water channel, so that the water baffle can swing when being impacted by water flow, the movable sieve plate is driven to rotate by the swing rod and the rotating shaft, and the water inflow of the water flow is positively correlated with the swing angle of the movable sieve plate, so that the blanking speed of the sieve mesh can be automatically adjusted according to the size of the water flow, the mixing proportion of cement is met, and the problem of cement quality reduction caused by excessive or too little water content of the cement is solved; in addition, the blocking of the water baffle also reduces the impact force of water flow, so that bubbles generated when materials are impacted subsequently are reduced, and the cement quality is improved.
Preferably, a conical plate is arranged in the mixing cavity between the material storage barrel and the stirring device, the conical plate is obliquely arranged from high left to low right, and a gap between the conical plate and the right wall of the mixing cavity forms a blanking port; the upper surface of the conical plate is provided with guide grooves at intervals, the upper ends of the guide grooves are all arranged at the upper end of the conical powder device, and the lower ends of the guide grooves are bent towards the lower end of the right side of the conical plate in an arc form. The impact height of water flow can be reduced through the conical plate, a large number of bubbles are prevented from being brought, materials falling from the sieve holes can be uniformly spread out, the materials can be quickly dissolved and taken away by the water flow, the materials are prevented from being accumulated and blocked below the sieve holes, meanwhile, original bubbles in the materials are exposed in the air by the spread materials, so that the original bubbles are broken, the generation of the bubbles is further reduced, and the quality of cement is improved; the flow guide groove is arranged, so that the slurry can flow to the blanking port on the lower right of the conical plate in an arc shape, the stroke is prolonged, the impact of the slurry in the falling process is reduced, and the generation of bubbles is reduced.
Preferably, the stirring device comprises a second rotating shaft arranged between the front side wall and the rear side wall of the mixing cavity, and the second rotating shaft extends to the outside of the batching tank and is connected with external driving equipment; the telescopic shaft is characterized in that a plurality of sleeves are uniformly distributed outside the second rotating shaft, telescopic rods are arranged in the sleeves, an arc-shaped plate is fixedly arranged at the free end of each telescopic rod, a third spring is arranged between each arc-shaped plate and each sleeve, and the third springs are sleeved outside the telescopic rods. Rotate through the second pivot and drive sleeve, telescopic link and arc and rotate, carry out further stirring to the thick liquids that flow down from the toper board for thick liquids misce bene guarantees the quality of cement.
Preferably, the second pivot is rotatory along clockwise, the arc is close to the conical plate bottom along its direction of rotation gradually, reduces the piling up of material on the conical plate through arc and conical plate contact vibrations. Because the arc is close to the conical plate bottom along its direction of rotation gradually, consequently can strike the conical plate along with the rotation of second pivot, reduce the piling up of material and block up on the conical plate through contact vibrations.
Preferably, move and be provided with the disturbance pole of a plurality of vertical arrangements on the sieve, move the sieve through moving and drive the disturbance pole and remove in the material, further prevent that the material from piling up the jam that causes for the material can fall down smoothly. The movable sieve plate drives the disturbing rod to move in the material, so that the blockage caused by material accumulation can be further prevented, and the material can smoothly fall down.
Preferably, a plurality of water leakage holes are formed in the bottom wall of the guide plate right below the baffle. Partial water flow in the upper water channel can flow into the water channel of the lower layer through the water leakage holes, and the condition that the impact force of the water flow at the water inlet pipe is too large and the water flow crosses the guide plate to directly drip to cause the material mixing bubbles to influence the cement quality is avoided.
Preferably, the side walls of the baffle and the guide plate are provided with magnets with repulsive magnetism. Through the magnet that magnetism repels each other can make the baffle receive rivers impact and repulsion increase and avoid baffle and guide plate collision when being close to the lateral wall of guide plate, play the effect of buffering, avoid baffle and guide plate collision damage, increase of service life.
The invention has the following beneficial effects:
1. according to the cement batching production line, the initial position of the sieve plate is changed through the deflector rod, and the deflector rod is matched with the fixed sieve plate to adjust the opening size of the sieve hole, so that the blanking speed in the storage cylinder is adjusted, and the stability of the proportion of cement is guaranteed; meanwhile, the movable sieve plate can also break up the caking, so that the materials can fall down smoothly; the intermittent moving sieve plate can also make the fixed sieve plate generate small vibration, thereby further avoiding the blockage of the sieve holes.
2. According to the cement batching production line, the water baffle is arranged at the outlet at the lower end of the water channel, so that the water baffle can swing when being impacted by water flow, the movable sieve plate is driven to rotate by the oscillating bar and the rotating shaft, and the water inflow of the water flow is positively correlated with the swing angle of the movable sieve plate, so that the blanking speed of the sieve mesh can be automatically adjusted according to the size of the water flow, the cement mixing ratio is met, and the problem of cement quality reduction caused by too much or too little water content of cement is solved; in addition, the blocking of the water baffle also reduces the impact force of water flow, so that bubbles generated when materials are impacted subsequently are reduced, and the cement quality is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of a dispensing machine of the present invention;
FIG. 2 is a cross-sectional view of the dispensing machine of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is a schematic structural diagram of the fixed sieve plate and the movable sieve plate of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 2 at C;
in the figure:
1. a dosing tank; 11. a water inlet pipe; 12. a discharge port; 13. a feed inlet; 14. a feeding port; 15. a mixing chamber; 2. a motor; 21. a first rotating shaft; 22. helical teeth; 3. a storage cylinder; 31. a sieve plate is fixed; 32. screening holes; 33. a movable sieve plate; 34. a disturbance rod; 35. a sliding groove; 36. a first spring; 37. a deflector rod; 38. a water baffle; 4. a baffle; 41. a water leakage hole; 42. a baffle plate; 43. a second spring; 44. a magnet; 5. a tapered plate; 51. a diversion trench; 52. a blanking port; 6. a second rotating shaft; 61. a sleeve; 62. a telescopic rod; 63. an arc-shaped plate; 64. and a third spring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, a cement batching production line comprises a feeding weighing machine, a batching machine and a conveyor which are sequentially communicated according to production procedures; the batching machine comprises a batching tank 1, wherein a feeding hole 13 is formed in the left side of the upper end of the batching tank 1, and the feeding hole 13 is communicated with the output end of the feeding weighing machine; a discharge port 12 is formed in the left side of the lower end of the batching tank 1, and the discharge port 12 is communicated with the input end of a conveyor; a feed opening 14 communicated with the feed opening 13 is formed in the batching machine, a first rotating shaft 21 which is vertically arranged is formed in the feed opening 14, spiral teeth 22 for forced feeding are fixedly arranged on the first rotating shaft 21, and the upper end of the rotating shaft penetrates through the top of the batching tank 1 and is in transmission connection with a motor 2 fixed outside the upper end of the batching tank 1; the lower end of the feed opening 14 is communicated with a mixing cavity 15, and the lower end of the mixing cavity 15 is communicated with the discharge opening 12; a vertically-through storage barrel 3 is arranged in the mixing cavity 15, the upper end of the storage barrel 3 is communicated with the feed opening 14, a fixed sieve plate 31 is fixedly arranged at the lower end of the storage barrel 3, and a plurality of groups of sieve pores 32 which are centrosymmetric are arranged on the fixed sieve plate 31; the fixed sieve plate 31 is provided with a plurality of movable sieve plates 33 capable of moving relative to the fixed sieve plate 31, the movable sieve plates 33 are connected with the middle part of the fixed sieve plate 31 through rotating shafts, and the movable sieve plates 33 at least have the following two working states: the first state: the movable sieve plate 33 is positioned right above the corresponding sieve hole 32, so that the sieve hole 32 is in a completely closed state; and a second state: the movable sieve plate 33 is positioned on one side of the sieve hole 32, so that the sieve hole 32 is in a fully opened state; a shift lever 37 is fixedly arranged on the rotating shaft, the shift lever 37 is positioned between adjacent movable sieve plates 33, the shift lever 37 penetrates through the material storage barrel 3 and extends to the outside of the material storage barrel 3 leftwards, a sliding groove 35 matched with the shift lever 37 in size is correspondingly arranged on the side wall of the material storage barrel 3, and first springs 36 are arranged between the front side and the rear side of the sliding groove 35 and the shift lever 37; and a stirring device is arranged in the mixing cavity 15 below the material storage barrel 3.
When the feeding device is used, solid materials are added into the feeding hole 14 through the feeding hole 13, the motor 2 is started, the spiral teeth 22 are driven to rotate through the first rotating shaft 21, and then forced feeding of the solid materials is realized, the situation that the feeding hole 14 is blocked by the materials is avoided, so that the solid materials can fall in time, the feeding precision is improved, and the quality of cement is further ensured; the initial position of the movable sieve plate 33 can be changed through the deflector rod 37 by setting the elastic force of the first springs 36 at the two sides of the fixed deflector rod 37, and the initial position is matched with the fixed sieve plate 31 to adjust the opening size of the sieve hole 32, so that the blanking speed in the storage cylinder 3 is adjusted, and the stability of the proportion of cement is guaranteed; in addition, the movable sieve plate 33 is extruded outwards when the materials fall from the sieve holes 32, so that the movable sieve plate 33 rotates in a small range, and the movable sieve plate 33 intermittently rotates in a reciprocating manner under the action of the first spring 36, so that the materials can be prevented from being accumulated at the sieve holes 32 by the small-range movement, the sieve holes 32 are prevented from being blocked, and meanwhile, the movable sieve plate 33 can break up lumps to enable the materials to fall smoothly; the intermittently moving sieve plates 33 also can make the fixed sieve plates 31 generate small vibration, and further avoid blockage at the sieve holes 32.
In one embodiment of the present invention, the radius of the discharging opening 14 decreases gradually from the side close to the feeding opening 13 to the side close to the storage cylinder 3, so that the material particles are extruded and become smaller, and the probability of the material blocking the discharging opening 14 is reduced. Through making feed opening 14 from being close to feed inlet 13 one side to the radius that is close to storage cylinder 3 one side reduce gradually, can make the material receive the extrusion force of helical tooth 22 and be bigger and bigger, and then make the material break and refine and the particle diameter is littleer, avoids blockking up the condition of sieve mesh 32 because of solid material granule is too big.
As an embodiment of the invention, an annular cavity is formed between the side wall of the storage cylinder 3 and the inner wall of the mixing chamber 15, a guide plate 4 spirally arranged downwards along the inner wall of the mixing chamber 15 is arranged in the annular cavity, and the cross section of the guide plate 4 is L-shaped and forms a water channel for water flow together with the inner wall of the mixing chamber 15; the upper part of the batching tank 1 is provided with a water inlet pipe 11 extending to the upper end of the water channel. Water is injected into the mixing cavity 15 through the water inlet pipe 11 and is mixed with the solid materials falling from the sieve pores 32, slurry with a gentle liquid level is formed under the action of the stirring device, the phenomenon that the falling of the materials at the sieve pores 32 is blocked due to the overhead accumulation of the solid materials is avoided, meanwhile, the fluidity of ingredients is better due to water flow, and the subsequent discharge of cement finished products is facilitated; in addition, the flow guide plate 4 is arranged downwards in a spiral mode, so that the dripping height of water flow is reduced, the foaming probability of materials is reduced, and the problem that the quality of cement is affected due to the fact that air bubbles are generated by ingredients due to impact is avoided.
In one embodiment of the present invention, a baffle 42 is hinged to the upper end of the mixing chamber 15 at the side of the water inlet pipe 11, the baffle 42 extends into the water channel and faces the end of the water inlet pipe 11, and the baffle 42 is connected with the side wall of the mixing chamber 15 through a second spring 43. Can cushion the rivers that go out to get into from inlet tube 11 through baffle 42, the direction that changes rivers simultaneously makes rivers flow to mixing chamber 15 inner wall one side, and rivers rush out the condition that guide plate 4 directly drips when avoiding the sudden grow of rivers flow, and then make rivers can follow the water course of spiral and move down, further prevent that the batching from splashing and leading to a large amount of bubbles to produce and influence the cement quality.
As an embodiment of the present invention, the free end of the shift lever 37 is provided with a water baffle 38, the water baffle 38 is located at the outlet of the lower end of the water channel, and the water baffle 38 is impacted by the water flow discharged from the water channel to make the swing link, the rotating shaft and the movable sieve plate 33 rotate correspondingly, so as to adjust the opening size of the sieve pore 32. The water baffle 38 is arranged at the outlet at the lower end of the water channel, so that the water baffle 38 can swing when being impacted by water flow, the movable sieve plate 33 is driven to rotate by the swing rod and the rotating shaft, and the water inflow of the water flow is positively correlated with the swing angle of the movable sieve plate 33, so that the blanking speed of the sieve mesh 32 can be automatically adjusted according to the size of the water flow, the mixing proportion of cement is met, and the problem that the cement quality is reduced due to too much or too little water content of the cement is solved; in addition, the blocking of the water baffle 38 also reduces the impact force of water flow, thereby reducing bubbles generated during subsequent impact on materials and improving the quality of cement.
As an embodiment of the invention, a conical plate 5 is arranged in the mixing chamber 15 between the storage cylinder 3 and the stirring device, the conical plate 5 is obliquely arranged in a left-high-right direction, and a gap between the conical plate 5 and the right wall of the mixing chamber 15 forms a blanking port 52; the upper surface of the conical plate 5 is provided with guide grooves 51 at intervals, the upper ends of the guide grooves 51 are all arranged at the upper end of the conical powder device, and the lower ends of the guide grooves 51 are bent towards the lower end of the right side of the conical plate 5 in an arc form. The impact height of water flow can be reduced through the conical plate 5, a large amount of bubbles are prevented from being brought, materials falling from the sieve pores 32 can be uniformly spread out, the materials can be quickly dissolved and taken away by the water flow, the blockage caused by accumulation below the sieve pores 32 is avoided, meanwhile, the original bubbles in the materials are exposed in the air and broken through the spread materials, the generation of the bubbles is further reduced, and the quality of cement is improved; the flow guide groove 51 is arranged to enable the slurry to flow towards the blanking port 52 at the lower right of the conical plate 5 in an arc shape, so that the stroke is prolonged, the impact of the slurry in the falling process is relieved, and the generation of bubbles is reduced.
As an embodiment of the invention, the stirring device comprises a second rotating shaft 6 arranged between the front side wall and the rear side wall of the mixing cavity 15, and the second rotating shaft 6 extends out of the batching tank 1 and is connected with an external driving device; a plurality of sleeves 61 are uniformly distributed outside the second rotating shaft 6, a telescopic rod 62 is arranged in each sleeve 61, an arc-shaped plate 63 is fixedly arranged at the free end of each telescopic rod 62, a third spring 64 is arranged between each arc-shaped plate 63 and each sleeve 61, and each third spring 64 is sleeved outside each telescopic rod 62. Rotate through second pivot 6 and drive sleeve 61, telescopic link 62 and arc 63 and rotate, carry out further stirring to the thick liquids that flows down from conical plate 5 for thick liquids misce bene guarantees the quality of cement.
In one embodiment of the present invention, the second rotating shaft 6 rotates clockwise, the arc plate 63 gradually approaches the bottom of the conical plate 5 along the rotating direction, and the accumulation of the material on the conical plate 5 is reduced by the contact vibration of the arc plate 63 and the conical plate 5. Because the arc plate 63 is gradually close to the bottom of the conical plate 5 along the rotating direction thereof, the conical plate 5 can be knocked along with the rotation of the second rotating shaft 6, and the accumulation and blockage of materials on the conical plate 5 are reduced through contact vibration.
As an embodiment of the present invention, a plurality of vertically arranged disturbance rods 34 are fixedly arranged on the movable sieve plate 33, and the disturbance rods 34 are driven by the movable sieve plate 33 to move in the material, so as to further prevent the material from being blocked due to accumulation, so that the material can smoothly fall down. Move the sieve 33 and drive the disturbance pole 34 and remove in the material, can further prevent that the material from piling up the jam that causes for the material can drop smoothly.
In one embodiment of the present invention, the bottom wall of the baffle 4 directly below the baffle 42 is provided with a plurality of water leakage holes 41. Partial water flow in the upper layer water channel can flow into the lower layer water channel through the water leakage holes 41, and the condition that the impact force of the water flow at the water inlet pipe 11 is too large and the impact force of the water flow over the guide plate 4 directly drops to cause the material mixing bubbles to influence the cement quality is avoided.
In one embodiment of the present invention, the baffle 42 and the side wall of the baffle plate 4 are provided with magnets 44 having magnetic repulsion. Through the magnet 44 that magnetism repels each other can make baffle 42 receive rivers impact and repulsion increase and avoid baffle 42 and guide plate 4 collision when being close to the lateral wall of guide plate 4, play the effect of buffering, avoid baffle 42 and guide plate 4 collision damage, increase of service life.
When the feeding device is used, solid materials are added into the feeding hole 14 through the feeding hole 13, the motor 2 is started, the spiral teeth 22 are driven to rotate through the first rotating shaft 21, and then forced feeding of the solid materials is realized, the situation that the feeding hole 14 is blocked by the materials is avoided, so that the solid materials can fall in time, the feeding precision is improved, and the quality of cement is further ensured; the initial position of the movable sieve plate 33 can be changed through the deflector rod 37 by setting the elastic force of the first springs 36 at the two sides of the fixed deflector rod 37, and the initial position is matched with the fixed sieve plate 31 to adjust the opening size of the sieve hole 32, so that the blanking speed in the storage cylinder 3 is adjusted, and the stability of the proportion of cement is guaranteed; in addition, the movable sieve plate 33 is extruded outwards when the materials fall from the sieve holes 32, so that the movable sieve plate 33 rotates in a small range, and the movable sieve plate 33 intermittently rotates in a reciprocating manner under the action of the first spring 36, so that the materials can be prevented from being accumulated at the sieve holes 32 by the small-range movement, the sieve holes 32 are prevented from being blocked, and meanwhile, the movable sieve plate 33 can break up lumps to enable the materials to fall smoothly; the intermittent moving sieve plate 33 can also make the fixed sieve plate 31 generate small vibration, thereby further avoiding the blockage at the sieve holes 32; by gradually reducing the radius of the feed opening 14 from the side close to the feed opening 13 to the side close to the storage barrel 3, the extrusion force of the spiral teeth 22 on the material is increased, so that the material is broken and refined to have smaller particle size, and the situation that the sieve pores 32 are blocked due to overlarge solid material particles is avoided; water is injected into the mixing cavity 15 through the water inlet pipe 11 and is mixed with the solid materials falling from the sieve pores 32, slurry with a gentle liquid level is formed under the action of the stirring device, the phenomenon that the falling of the materials at the sieve pores 32 is blocked due to the overhead accumulation of the solid materials is avoided, meanwhile, the fluidity of ingredients is better due to water flow, and the subsequent discharge of cement finished products is facilitated; in addition, the flow guide plate 4 which is arranged downwards in a spiral way reduces the dropping height of water flow, thereby reducing the foaming probability of materials and avoiding the problem that the quality of cement is influenced by bubbles generated by the impact of ingredients; the baffle 42 can buffer the water flow entering from the water inlet pipe 11, and the direction of the water flow is changed to enable the water flow to one side of the inner wall of the mixing cavity 15, so that the situation that the water flow rushes out of the guide plate 4 and directly drops when the flow rate of the water flow is suddenly increased is avoided, the water flow can move downwards along a spiral water channel, and the cement quality is further prevented from being influenced by a large amount of bubbles caused by splashing of ingredients; the water baffle 38 is arranged at the outlet at the lower end of the water channel, so that the water baffle 38 can swing when being impacted by water flow, the movable sieve plate 33 is driven to rotate by the swing rod and the rotating shaft, and the water inflow of the water flow is positively correlated with the swing angle of the movable sieve plate 33, so that the blanking speed of the sieve mesh 32 can be automatically adjusted according to the size of the water flow, the mixing proportion of cement is met, and the problem that the cement quality is reduced due to too much or too little water content of the cement is solved; in addition, the blocking of the water baffle 38 also reduces the impact force of water flow, thereby reducing bubbles generated when materials are impacted subsequently and improving the quality of cement; the impact height of water flow can be reduced through the conical plate 5, a large amount of bubbles are prevented from being brought, materials falling from the sieve pores 32 can be uniformly spread out, the materials can be quickly dissolved and taken away by the water flow, the blockage caused by accumulation below the sieve pores 32 is avoided, meanwhile, the original bubbles in the materials are exposed in the air and broken through the spread materials, the generation of the bubbles is further reduced, and the quality of cement is improved; the flow guide groove 51 is arranged to enable the slurry to flow towards the blanking port 52 at the lower right of the conical plate 5 in an arc shape, so that the stroke is prolonged, the impact of the slurry in the falling process is relieved, and the generation of bubbles is reduced; the sleeve 61, the telescopic rod 62 and the arc-shaped plate 63 are driven to rotate by the rotation of the second rotating shaft 6, and the slurry flowing down from the conical plate 5 is further stirred, so that the slurry is uniformly mixed, and the quality of cement is ensured; the arc-shaped plate 63 is gradually close to the bottom of the conical plate 5 along the rotating direction, so that the conical plate 5 can be knocked along with the rotation of the second rotating shaft 6, and the accumulation and blockage of materials on the conical plate 5 are reduced through contact vibration; the movable sieve plate 33 drives the disturbing rod 34 to move in the material, so that the blockage caused by material accumulation can be further prevented, and the material can smoothly fall down; part of water flow in the upper layer of water channel can flow into the lower layer of water channel through the water leakage holes 41, so that the condition that the impact force of the water flow at the water inlet pipe 11 is too large and the water flow passes over the guide plate 4 to directly drip to cause batching bubbles to influence the cement quality is avoided; through the magnet 44 that magnetism repels each other can make baffle 42 receive rivers impact and repulsion increase and avoid baffle 42 and guide plate 4 collision when being close to the lateral wall of guide plate 4, play the effect of buffering, avoid baffle 42 and guide plate 4 collision damage, increase of service life.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (11)
1. A cement batching production line is characterized by comprising a feeding weighing machine, a batching machine and a conveyor which are sequentially communicated according to production procedures; the batching machine comprises a batching tank (1), a feeding hole (13) is formed in the left side of the upper end of the batching tank (1), and the feeding hole (13) is communicated with the output end of the feeding weighing machine; a discharge port (12) is formed in the left side of the lower end of the batching tank (1), and the discharge port (12) is communicated with the input end of the conveyor; a feed opening (14) communicated with the feed opening (13) is formed in the batching machine, a first rotating shaft (21) which is vertically arranged is formed in the feed opening (14), spiral teeth (22) for forced feeding are fixedly arranged on the first rotating shaft (21), and the upper end of the rotating shaft penetrates through the top of the batching tank (1) and is in transmission connection with a motor (2) fixed outside the upper end of the batching tank (1); the lower end of the feed opening (14) is communicated with a mixing cavity (15), and the lower end of the mixing cavity (15) is communicated with the discharge opening (12); a storage barrel (3) which is through up and down is arranged in the mixing cavity (15), the upper end of the storage barrel (3) is communicated with the feed opening (14), a fixed sieve plate (31) is fixedly arranged at the lower end of the storage barrel (3), and a plurality of groups of sieve pores (32) which are centrosymmetric are arranged on the fixed sieve plate (31); decide and be provided with on sieve (31) and move sieve (33) rather than a plurality of relative motion, it is connected through rotation axis and fixed sieve (31) middle part to move sieve (33), it has following two operating condition at least to move sieve (33): the first state: the movable sieve plates (33) are positioned right above the corresponding sieve holes (32) so that the sieve holes (32) are in a completely closed state; and a second state: the movable sieve plate (33) is positioned on one side of the sieve holes (32) so that the sieve holes (32) are in a fully opened state; a shifting lever (37) is fixedly arranged on the rotating shaft, the shifting lever (37) is positioned between adjacent movable sieve plates (33), the shifting lever (37) penetrates through the material storage barrel (3) and extends to the outside of the material storage barrel (3) leftwards, sliding grooves (35) matched with the shifting lever (37) in size are correspondingly arranged on the side wall of the material storage barrel (3), and first springs (36) are arranged between the front side and the rear side of each sliding groove (35) and the shifting lever (37); and a stirring device is arranged in the mixing cavity (15) below the material storage barrel (3).
2. A cement batching production line according to claim 1, characterized in that the radius of the discharge opening (14) decreases from the side close to the inlet opening (13) to the side close to the storage drum (3), so that the material particles are squeezed and become smaller, reducing the chance of the material blocking the discharge opening (14).
3. The cement batching production line according to claim 2, characterized in that an annular cavity is formed between the side wall of the storage barrel (3) and the inner wall of the mixing chamber (15), a guide plate (4) which is spirally arranged downwards along the inner wall of the mixing chamber (15) is arranged in the annular cavity, the cross section of the guide plate (4) is L-shaped, and the guide plate and the inner wall of the mixing chamber (15) form a water channel for water flow; the upper part of the batching tank (1) is provided with a water inlet pipe (11) extending to the upper end of the water channel.
4. A cement batching production line according to claim 3, characterized in that the upper end of said mixing chamber (15) is hinged to a baffle (42) on the side of the inlet pipe (11), said baffle (42) extending into the water channel and facing the end of the inlet pipe (11), said baffle (42) being connected to the side wall of the mixing chamber (15) by means of a second spring (43).
5. The cement batching production line according to claim 4, characterized in that the free end of the deflector rod (37) is provided with a water baffle (38), the water baffle (38) is positioned at the outlet of the lower end of the water channel, and the water baffle (38) is impacted by water flow discharged from the water channel to correspondingly rotate the swing rod, the rotating shaft and the movable sieve plate (33), so as to adjust the opening size of the sieve pore (32).
6. A cement batching production line according to claim 5, characterized in that a conical plate (5) is arranged in the mixing chamber (15) between the storage barrel (3) and the stirring device, the conical plate (5) is obliquely arranged in a left-high-right direction, and a gap between the conical plate and the right wall of the mixing chamber (15) forms a blanking port (52); the upper surface of the conical plate (5) is provided with guide grooves (51) at intervals, the upper ends of the guide grooves (51) are all arranged at the upper end of the conical powder device, and the lower ends of the guide grooves (51) are bent towards the lower end of the right side of the conical plate (5) in an arc form.
7. A cement batching production line according to claim 6, characterized in that said stirring means comprise a second rotating shaft (6) arranged between the front and rear side walls of the mixing chamber (15), said second rotating shaft (6) extending outside the batching tank (1) to be connected to external driving means; a plurality of sleeves (61) are uniformly distributed outside the second rotating shaft (6), a telescopic rod (62) is arranged in each sleeve (61), an arc-shaped plate (63) is fixedly arranged at the free end of each telescopic rod (62), a third spring (64) is arranged between each arc-shaped plate (63) and each sleeve (61), and each third spring (64) is sleeved outside each telescopic rod (62).
8. A cement batching production line according to claim 7, characterized in that said second rotating shaft (6) rotates in a clockwise direction, said arc-shaped plate (63) is gradually approached to the bottom of the conical plate (5) along the rotation direction thereof, and the accumulation of the material on the conical plate (5) is reduced by the vibration of the arc-shaped plate (63) in contact with the conical plate (5).
9. The cement batching production line according to claim 8, characterized in that a plurality of vertically arranged disturbance rods (34) are fixedly arranged on the movable sieve plate (33), and the disturbance rods (34) are driven by the movable sieve plate (33) to move in the material, so as to further prevent the material from being blocked due to accumulation, and enable the material to smoothly fall down.
10. The cement batching production line according to claim 9, characterized in that the bottom wall of the deflector (4) directly below the baffle (42) is provided with a plurality of water leakage holes (41).
11. Cement batching production line according to claim 10, characterized in that said baffles (42) and deflectors (4) have side walls provided with magnetically repellent magnets (44).
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| CN112743671A (en) * | 2021-02-26 | 2021-05-04 | 范文芳 | Concrete mixer |
| CN114633366A (en) * | 2022-03-16 | 2022-06-17 | 烟台杰瑞石油装备技术有限公司 | High-energy mixer and high-energy mixing system |
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| CN114633366A (en) * | 2022-03-16 | 2022-06-17 | 烟台杰瑞石油装备技术有限公司 | High-energy mixer and high-energy mixing system |
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| CN112008863B (en) | 2021-11-19 |
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