Cement grinding aid batching homogeneous mixing equipment
Technical Field
The utility model relates to a cement grinding aid production facility technical field, concretely relates to cement grinding aid batching homogeneous mixing equipment.
Background
In cement production, the grinding process is the link with the highest energy consumption, the energy utilization rate is extremely low, and only a small part of the process is used for increasing the specific surface area of materials. A small amount of chemical additive, namely grinding aid, is added in the grinding process, so that the grinding efficiency can be obviously improved, and the energy consumption is reduced. The cement grinding aid is composed of one or more surface active substances, and the application effect of most cement grinding aids shows that the cement grinding aid has the effects of reducing the granularity of cement, increasing the specific surface area, improving certain physical and chemical properties of the cement, reducing the power consumption of grinding and the like. Production of cement grinding aid needs to mix multiple powdery raw materials, liquid raw materials and water, makes multiple raw materials fully dissolve at the certain temperature condition earlier, and the compounding device on the market is not totally agreeable to the production and processing of cement grinding aid at present, and the production of cement grinding aid still needs other devices to assist, has influenced production efficiency, consequently needs a compounding dosing unit that is applicable to cement grinding aid and excellent in use effect.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a cement grinding aid ingredient uniform mixing device, which comprises a tank body and a stirring mechanism, wherein the top and the bottom of the tank body are respectively provided with a cover body and a discharge hopper, the cover body is provided with a feeding box and a powder hopper, the bottom of the cover body is provided with a powder pipe communicated with the powder hopper, the stirring mechanism is arranged in the tank body and comprises a stirring shaft, a scraping rod and a plurality of connecting rods, the scraping rod is connected with the stirring shaft through the connecting rods, the stirring shaft is driven by a stirring motor arranged on the cover body, the stirring shaft is internally provided with a trough, the connecting rods are internally provided with feeding guide grooves, the feeding box is communicated with the feeding guide grooves through the troughs so as to uniformly distribute materials into a pipe body through the feeding guide openings on the connecting rods, the stirring mechanism of the device can sustainably add liquid raw materials into the tank body during stirring, thereby leading the raw materials to be dispersedly supplied in the processing process, the mixing of a plurality of raw materials in the tank body is facilitated, and the convenience of batching and mixing in the production process of the cement grinding aid is greatly improved.
The utility model provides a cement grinding aid batching uniform mixing equipment for solving the problems, which comprises a tank body and a stirring mechanism, wherein the tank body is supported and installed through a material mixing frame, the tank body is a hollow cylinder with open upper and lower ends, the bottom of the tank body is fixedly connected with a conical discharge hopper, the bottom end of the discharge hopper is provided with a discharge port, a regulating valve is arranged at the discharge port, the upper end of the tank body is provided with a cover body for sealing the tank body, a shaft sleeve for installing the stirring mechanism is vertically penetrated on the cover body, the stirring mechanism comprises a stirring shaft, a connecting rod and a scraping rod, the stirring shaft is vertically penetrated in the shaft sleeve and is connected with the shaft sleeve through an installation bearing and is driven to rotate by a stirring motor arranged on the cover body, the scraping rods are a plurality of rods and are uniformly distributed along the circumferential direction by taking the stirring shaft as the center, the scraping rod is a triangular prism-shaped long rod parallel to the stirring shaft, the scraping rod is connected with the stirring shaft through a plurality of connecting plates so as to be driven to rotate by the stirring shaft, a plurality of stirring baffle plates are evenly and fixedly arranged on the rod body of the scraping rod along the axial direction, the connecting rod is a triangular prism-shaped long rod, the connecting rod is fixedly connected with the stirring shaft in a vertical mode and is internally provided with a feeding guide groove along the rod length direction, a plurality of feeding guide openings communicated with the feeding guide grooves are formed in the rod body of the connecting rod, a trough is formed in the stirring shaft and is communicated with the feeding guide grooves, the top end of the trough is communicated with a feeding box arranged on the cover body through a material pipe, and therefore the raw material in the feeding box can be added into the tank body through the trough and the feeding guide grooves.
As a further proposal of the cement grinding aid ingredient uniform mixing device, the bottom rigid coupling of the stirring shaft is provided with a bottom rod, and the bottom rod is inclined to be arranged so that the bottom surface of the bottom rod is always attached to the inner wall of the discharge hopper when the bottom rod rotates along with the stirring shaft.
As a further proposal of the cement grinding aid ingredient uniform mixing device, the bottom rod is a triangular prism-shaped long rod.
As a further proposal of the cement grinding aid ingredient uniform mixing device, the cross section of the scraping rod, the connecting rod and the bottom rod is an isosceles triangle with the waist length larger than the base.
As a further proposal of the cement grinding aid ingredient uniform mixing device, the bottom rod and the scraping rod are three or four, and the bottom end of the scraping rod is fixedly connected with the end of the bottom rod.
As the utility model relates to a cement grinding aid batching homogeneous mixing equipment's further scheme, the silo sets firmly a plurality of minute liquid fill, divides the liquid fill to be the open back taper fill in both ends shape, and the feeding guide slot is located the top that divides the liquid fill with the connector of silo.
The utility model relates to a cement grinding aid batching homogeneous mixing equipment's further scheme, the bottom of lid has set firmly annular powder pipe, and a plurality of openings have evenly been seted up along the long direction of pipe to the lower edge of powder pipe, are provided with powder hopper and air blower on the lid, on the fixed lid of wearing to locate of powder hopper, powder hopper bottom and the inside intercommunication of powder pipe, movable mounting has the picture peg that is used for adjusting its and powder pipe intercommunication in the powder hopper, the air-out end and the powder pipe intercommunication of hair-dryer.
As a further proposal of the cement grinding aid ingredient uniform mixing device, the cover body is provided with an adjusting cylinder for driving the plugboard to adjust.
Compared with the prior art, the utility model discloses the beneficial effect who has: in the device, the stirring mechanism is used for stirring and disturbing the interior of the tank body, so that various raw materials in the tank body are fully dissolved, and the quality of a finished product of the cement grinding aid is improved; likepowder raw materials and liquid raw materials are through powder hopper and feed tank respectively, and the internal portion of jar is added to steady speed, avoids a large amount of raw materials to concentrate the powder granule that the interpolation leads to and condenses the piece, has promoted compounding speed and compounding effect, is favorable to the batching compounding operation of cement grinding aid.
Drawings
FIG. 1 is a schematic view of the external structure of the mixing device of the present invention;
FIG. 2 is a schematic side view of the mixing apparatus of the present invention;
FIG. 3 is a schematic view of the internal structure of the mixing device of the present invention;
FIG. 4 is a schematic view of the powder tube of the mixing device of the present invention;
FIG. 5 is a schematic structural diagram of a stirring mechanism of the mixing device of the present invention;
the labels in the figure are: 1. the automatic powder mixing device comprises a tank body, 2, a mixing frame, 3, a discharge hopper, 4, a regulating valve, 5, a cover body, 6, a stirring shaft, 7, a connecting rod, 8, a scraping rod, 9, a stirring guide rod, 10, a feeding box, 11, a bottom rod, 12, a separating hopper, 13, a powder pipe, 14, a powder hopper, 15 and an air blower.
Detailed Description
As shown in the figure: the utility model provides a cement grinding aid batching homogeneous mixing equipment, including a jar body 1 and rabbling mechanism, jar body 1 supports the installation through mixing frame 2, jar body 1 is the open cavity drum in upper and lower both ends, jar body 1's bottom fixedly connected with coniform goes out hopper 3, jar body 1's bottom fixedly connected with goes out hopper 3, it is hollow coniform to go out hopper 3, the last port that goes out hopper 3 is greater than its lower port and with jar body 1's bottom rigid coupling, governing valve 4 is installed to the lower port that goes out hopper 3, governing valve 4 is used for adjusting the on-off state of the port under the hopper 3. The upper port of the tank body 1 is provided with a cover body 5 for sealing the tank body 1, the cover body 5 is vertically provided with a shaft sleeve for installing a stirring mechanism in a penetrating way, and the shaft sleeve is correspondingly positioned at the axle center of the tank body 1.
The stirring mechanism comprises a stirring shaft 6, a connecting rod 7 and a scraping rod 8, the stirring shaft 6 is a round rod with an inner part provided with a trough along the axial direction, a liquid rotating joint is installed at the top end of the stirring shaft 6, and the stirring shaft 6 is positioned above the cover body 5 and is in transmission connection with a stirring motor installed on the cover body 5 so as to be driven to rotate by the stirring motor. The scraping rods 8 are a plurality of scraping rods which are uniformly distributed along the circumferential direction by taking the stirring shaft 6 as the center, the scraping rods 8 are three or four, the scraping rods 8 are triangular prism-shaped long rods which are parallel to the stirring shaft 6, the scraping rods 8 are connected with the stirring shaft 6 through a plurality of connecting plates so as to be driven by the stirring shaft 6 to rotate, the connecting plates are preferably two, each scraping rod 8 is connected with the stirring shaft 6 through two connecting plates, the connecting rod 7 is a triangular prism-shaped long rod, the connecting rod 7 is fixedly connected with the stirring shaft 6 vertically, a feeding guide groove is formed in the connecting rod 6 along the rod length direction, a plurality of feeding guide ports communicated with the feeding guide groove are formed in the rod body of the connecting rod 7, the cover body 5 is provided with the feeding box 10, the feeding box 10 is communicated with the liquid rotary connector through a material pipe so as to be communicated with the material groove, liquid raw materials in the feeding box 10 can enter the feeding guide groove through the material groove, and the plurality of feeding guide ports on the connecting rod 7 enter the tank body 1, in the process of feeding the liquid raw material into the tank body 1, the stirring shaft 6 continuously stirs, thereby enabling the liquid raw material to be uniformly distributed in the tank body 1. Preferably, install the solenoid valve on the material pipe, there is the air booster feed tank 10 external world, and when the solenoid valve was in the open mode, the liquid raw materials in feed tank 10 was impressed to the air booster in the silo, made things convenient for it to enter into jar body 1 from feeding guide slot and feeding guide mouth, after no liquid raw materials in feed tank 10, the air booster still can be with outside air constantly let in jar body 1 in, utilize the air to stir the mixture in jar body 1. The silo has set firmly a plurality of minute liquid fill 12 in, minute liquid fill 12 is the open back taper in both ends fill shape, the connector of silo and a plurality of feeding guide slot is located the top on minute liquid fill 12 lower edges, liquid raw materials in feed box 10 can be blockked by a plurality of minute liquid fill 12 when flowing to the silo, partial liquid raw materials that are blockked by minute liquid fill 12 flow into the feeding guide slot along the connector of silo and feeding guide slot in, liquid raw materials has effectively been avoided piling up in the silo bottom. The bottom of (mixing) shaft 6 still the rigid coupling have a sill bar 11, and sill bar 11 slope sets up and its lower edge pastes on the inner wall of play hopper 3, and the quantity of sill bar 11 equals with scraping pole 8, and sill bar 11 rotates along with it when (mixing) shaft 6 is rotatory, rotates its lower edge of in-process and pastes the inner wall in play hopper 3 all the time to it has the raw materials to pile up to avoid going out hopper 3 bottom surface.
Scrape pole 8, connecting rod 7 and bottom bar 11 and be the triangular prism shape stock, the cross section of three is the isosceles triangle that the waist is greater than the base, a plurality of ejection of compact guide holes on connecting rod 7 distribute on its three side, it is preferred, when (mixing) shaft 6 passes through connecting rod 7 and bottom bar 11 and drives and scrape 8 rotations of pole, connecting rod 7, bottom bar 11 and the apex angle place edge of scraping 8 of pole all are located and remove the front end, scrape pole 8 when (mixing) shaft 6 rotates, bottom bar 11 and connecting rod 7 all have the reposition of redundant personnel effect, thereby make agitator motor's power obtain full play, scrape and evenly set firmly a plurality of stirring baffle along the axial on the pole 8, the last face of stirring baffle is towards rotatory the place ahead slope, when making scraping 8 when (mixing) shaft 6 rotate, the stirring baffle can be dialled the solution that is located its the place ahead upwards, make jar body 1 internal mixed solution ability intensive mixing.
The powder hopper is characterized in that a powder pipe 13 is fixedly arranged at the bottom of the cover body 5, the powder pipe 13 is an annular pipe, a plurality of openings are uniformly formed in the lower edge of the powder pipe 13 along the circumferential direction, a powder hopper 14 and a blower 15 are arranged on the cover body 5, the powder hopper 14 is fixedly arranged on the cover body 5 in a penetrating mode, the bottom end of the powder hopper 14 is communicated with the interior of the powder pipe 13, an inserting plate is movably arranged in the powder hopper 14 and movably inserted into the powder hopper 14 to separate the powder hopper 14 from the powder pipe 13, an adjusting cylinder is arranged on the cover body 5 through a mounting seat, a piston rod of the adjusting cylinder is connected with the inserting plate, the adjusting cylinder can drive the inserting plate to move so as to communicate or disconnect the powder hopper 14 and the powder pipe 13, when the inserting plate is drawn out of the powder hopper 14 by the adjusting cylinder, powder in the powder hopper 14 can fall into the powder pipe 13, when the inserting plate is driven by the adjusting cylinder to be inserted into the powder hopper 14, the powder in the powder hopper 14 can not enter the powder pipe 13 through the inserting plate, the adjusting cylinder can also adjust the speed of the powder flowing into the powder pipe 13 in the powder hopper 14, the air outlet end of the blower is communicated with one end of the powder pipe 13, periodic air supply is carried out in the powder pipe 13 of the blower, the powder in the powder pipe 13 can move along the powder pipe 13, and the powder can leak a part into the tank body 1 from the opening when passing through the opening, so that the feeding of the powder is realized.
When the device is used for producing the cement grinding aid, liquid raw materials are added into the feeding box 10, powder raw materials are added into the powder hopper 14, the stirring shaft 6 is driven by the stirring motor to rotate, the liquid raw materials in the feeding box 10 can enter a trough of the stirring shaft 6 under the combined action of the electromagnetic valve and the air supercharger, the liquid raw materials in the trough are dispersed onto feeding guide grooves of a plurality of connecting rods 7 after being blocked by the liquid hopper 12 in the trough, and are finally dispersed into the tank body 1 from the feeding guide holes in the connecting rods 7, and the connecting rods 7 can continuously rotate along with the stirring shaft 6 to be favorable for dispersing the liquid raw materials; the hanging rod and the connecting rod 7 are triangular prism-shaped long rods, and the hanging rod and the connecting rod rotate along with the stirring shaft 6 to disturb the mixed liquid in the tank body 1, so that the raw material mixing effect in the tank body 1 is improved; the material in the powder hopper 14 can enter the powder pipe 13 on the bottom of the cover 5, the powder pipe 13 is provided with a plurality of openings, and after the blower supplies air to the powder pipe 13, the powder in the powder pipe 13 can be dispersed into the tank body 1 from the openings on the pipe body, and is fully dispersed by matching with the stirring mechanism.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.