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CN-122015441-A - Blank drying equipment for concrete admixture production

CN122015441ACN 122015441 ACN122015441 ACN 122015441ACN-122015441-A

Abstract

The invention relates to the technical field of blank drying, and discloses blank drying equipment for concrete admixture production, which comprises a bottom plate, wherein a supporting frame is arranged on the upper surface of the bottom plate, an outer shell is rotatably connected between inner walls of two sides of the supporting frame through a bearing, an inner shell is rotatably connected to one side of the outer shell through a bearing, a baffle is arranged at the edge part of the inner wall of the outer shell, an opening of the inner shell faces the baffle, one side of the inner shell is contacted with the baffle, the baffle is used for shielding the opening of the inner shell, and a speed reducing motor for driving the inner shell to rotate along an axis is arranged on the outer wall of one side of the outer shell. The invention solves the problem of 'external drying and internal wetting' in the process of drying the blanks by arranging the rotary inner shell, the material guiding component and the crushing component for use, can effectively treat the caking phenomenon generated in the drying process, and realizes the rapid discharge of moisture in the inner shell and the smooth backflow of the crushed materials by the feeding structure.

Inventors

  • Si Bingyong
  • ZHANG YONGKANG
  • CHEN SI

Assignees

  • 江苏点石新材料科技有限公司

Dates

Publication Date
20260512
Application Date
20260323

Claims (10)

  1. 1. The blank drying equipment for concrete admixture production comprises a bottom plate (11), wherein a supporting frame (10) is arranged on the upper surface of the bottom plate (11), an outer shell (5) is rotatably connected between inner walls of two sides of the supporting frame (10) through bearings, and the blank drying equipment is characterized in that an inner shell (14) is rotatably connected to one side inner wall of the outer shell (5) through bearings, a baffle plate (12) is arranged at the edge part of the inner wall of the outer shell (5), an opening of the inner shell (14) faces the baffle plate (12), one side of the inner shell (14) is contacted with the baffle plate (12), the baffle plate (12) is used for shielding the opening of the inner shell (14), and a speed reducing motor (13) for driving the inner shell (14) to rotate along an axis is arranged on the outer wall of one side of the outer shell (5); One side of the baffle (12) is provided with a feeding component (4) and a discharging component (3), the feeding component (4) is positioned above the discharging component (3), and the circumferential inner wall of the outer shell (5) is provided with a heating component (6) for heating the blanks in the inner shell (14); One side of baffle (12) is installed first passage (16), one side that baffle (12) are located in inner shell (14) is equipped with guide subassembly (7) that are used for the pay-off, one side that baffle (12) are close to guide subassembly (7) is equipped with and is used for assisting dry pushing away material subassembly (8), one side of baffle (12) is equipped with crushing subassembly (1) that are used for scattering the caking embryo material.
  2. 2. A concrete admixture producing green material drying apparatus according to claim 1, wherein said guide assembly (7) comprises a guide plate (701) mounted on one side of a baffle plate (12), said guide plate (701) being V-shaped and inclined toward a first guide pipe (16), a lower end of said guide plate (701) being flush with said first guide pipe (16), and a plurality of L-shaped plates (702) being mounted in a circular array on a circumferential inner wall of said inner casing (14).
  3. 3. The blank drying device for concrete admixture production according to claim 1, wherein the pushing assembly (8) comprises a fixed rod (801) arranged on one side of the baffle plate (12), the fixed rod (801) is concentric with the inner shell (14), the other end of the fixed rod (801) is rotationally connected with the inner shell (14), a plurality of equidistant pushing frames (802) are arranged at the outer bottom of the fixed rod (801), and two symmetrical inclined planes (803) are formed on one side of the pushing frames (802).
  4. 4. A blank drying apparatus for concrete admixture production according to claim 3, wherein the pulverizing assembly (1) comprises a pulverizing casing (102) disposed at one side of a baffle plate (12), the pulverizing casing (102) is rotatably connected with a first guide pipe (16), a bottom cover (103) is mounted on the circumferential outer wall of the pulverizing casing (102), the diameter of the bottom cover (103) is larger than that of the pulverizing casing (102), a bushing plate (104) is disposed at the bottom of the pulverizing casing (102), the bushing plate (104) is disposed in the bottom cover (103), the diameter of the bushing plate (104) is larger than that of the pulverizing casing (102) and smaller than that of the bottom cover (103), a rotating rod (106) is rotatably connected to the top outer wall of the pulverizing casing (102) through a bearing, one end of the rotating rod (106) passes through the pulverizing casing (102) and is provided with a plurality of blades (105) of a rotary array, a fixing frame (107) is mounted on the top outer wall of the pulverizing casing (102), a motor (107) is mounted on the upper surface of the fixing frame (107) and is provided with a driving shaft (106) and is rotatably connected with a second guide pipe (101) along the axis of the second guide pipe (101) and is disposed at the bottom end of the second guide pipe (101), the other end of the second material guiding pipe (101) is provided with a moisture discharging component (2) for discharging moisture in the inner shell (14), and the outer side of the rotating rod (106) is provided with a connecting rod component (9) for driving the bushing plate (104) to move left and right.
  5. 5. A blank drying device for concrete admixture production according to claim 4, wherein the dehumidifying component (2) comprises an air inlet pipe (201) arranged at the other end of the second material guiding pipe (101), a first heating wire (202) is arranged in the air inlet pipe (201), the air inlet pipe (201) and the first heating wire (202) are all in spiral shapes, an air outlet pipe (203) is arranged at the top end of one side of the baffle plate (12), and one end of the air outlet pipe (203) penetrates through the baffle plate (12) and extends to the rear end of the inner shell 14.
  6. 6. A blank drying apparatus for producing concrete admixture according to claim 4, wherein the link assembly (9) comprises a second roller (903) rotatably connected to the outside of the rotary rod (106) through a bearing housing, a plurality of slide bars (902) are installed on the outside of the bushing (104), the plurality of slide bars (902) are divided into two symmetrical groups, one ends of the plurality of slide bars (902) pass through the bottom cover (103), a connecting frame (901) is installed at the other ends of the adjacent two slide bars (902), and the connecting frame (901) is L-shaped and is in contact with the second roller (903).
  7. 7. A concrete admixture producing green material drying apparatus as claimed in claim 1, wherein the circumferential inner wall of the outer casing (5) is rotatably connected with a plurality of first rollers (15) in annular arrays through bearing blocks, and the first rollers (15) are in contact with the inner casing (14).
  8. 8. A blank drying apparatus for concrete admixture production according to claim 1, wherein the feeding assembly (4) comprises a feeding pipe (403) installed on one side of a baffle plate (12), the feeding pipe (403) is obliquely arranged and penetrates through the baffle plate (12), a material guiding shell (402) communicated with the feeding pipe (403) is installed at the top end of the feeding pipe (403), and a second cover plate (401) is detachably connected to the top of the material guiding shell (402) through a lock catch.
  9. 9. A blank drying device for concrete admixture production according to claim 1, wherein the discharging assembly (3) comprises a discharging pipe (303) arranged on one side of a baffle plate (12), the discharging pipe (303) penetrates through the baffle plate (12), the other end of the discharging pipe (303) is detachably connected with a first cover plate (304) through a lock catch, the upper surface of the bottom plate (11) is rotatably connected with a hydraulic cylinder (301) through a bearing seat, the telescopic end of the hydraulic cylinder (301) is rotatably connected with a shell (5), a bracket (302) is arranged on the upper surface of the bottom plate (11), and the shell (5) is in contact with the bracket (302) when being in a horizontal state.
  10. 10. A concrete admixture producing green-material drying apparatus according to claim 1, wherein said heating assembly (6) comprises a plurality of annular arrays of second heating wires (601) mounted on the circumferential outer wall of the outer casing (5), a plurality of said second heating wires (601) being located between the outer casing (5) and the inner casing (14).

Description

Blank drying equipment for concrete admixture production Technical Field The invention relates to the technical field of blank drying, in particular to blank drying equipment for producing a concrete additive. Background The concrete admixture is an indispensable component in the modern concrete preparation process, and the mixing amount is low, but the working performance, mechanical property and durability of the concrete can be obviously improved. Along with the continuous improvement of the requirements of the constructional engineering on the performance of the concrete, the variety and the application range of the additive are increasingly expanded, and the additive comprises a plurality of functional products such as a water reducing agent, a slump retaining agent, a retarder, an early strength agent and the like. In the production process of the additive, the blank needs to be dried to remove the excessive moisture. Firstly, heat transfer of conventional drying equipment mainly depends on surface contact or hot air convection, and heat is gradually conducted from the surface of the blank to the inside, so that the phenomenon of external drying and internal wetting is easy to occur, namely, the surface is dried into powder and the inside still contains more water, and secondly, part of the blank is subjected to physical and chemical property change in the dehydration process, agglomeration easily occurs between particles under the combined action of water and temperature to form agglomerates with different sizes, and the quality of the final product dried later is influenced. Disclosure of Invention In order to overcome the defects in the prior art, the invention provides a blank drying device for producing a concrete additive, which is used for solving the problems that heat is gradually conducted from the surface of the blank to the inside in the prior art, the phenomenon of 'external drying and internal wetting' easily occurs, namely, the surface is dried into powder and the inside still contains more water, and part of the blank is changed in physical and chemical properties in the dehydration process, and agglomeration easily occurs between particles under the combined action of the water and the temperature to form agglomerates with different sizes. The invention provides a blank drying device for concrete admixture production, which comprises a bottom plate, wherein a supporting frame is arranged on the upper surface of the bottom plate, an outer shell is rotatably connected between the inner walls of two sides of the supporting frame through a bearing, an inner shell is rotatably connected with the inner wall of one side of the outer shell through a bearing, a baffle plate is arranged at the edge part of the inner wall of the outer shell, an opening of the inner shell faces the baffle plate, one side of the inner shell is contacted with the baffle plate, the baffle plate is used for shielding the opening of the inner shell, and a speed reducing motor for driving the inner shell to rotate along an axis is arranged on the outer wall of one side of the outer shell; One side of the baffle is provided with a feeding component and a discharging component, the feeding component is positioned above the discharging component, and the circumferential inner wall of the outer shell is provided with a heating component for heating the blank in the inner shell; The first material guide pipe is installed to one side of baffle, one side that the baffle is located the inner shell is equipped with the guide subassembly that is used for the pay-off, one side that the baffle is close to the guide subassembly is equipped with the pushing component that is used for supplementary dry, one side of baffle is equipped with the crushing subassembly that is used for scattering the caking embryo material. As a further scheme of the invention, the guide assembly comprises a guide plate arranged on one side of the baffle, the guide plate is V-shaped and inclines towards the direction of the first guide pipe, the lower end of the guide plate is flush with the first guide pipe, and a plurality of annular L-shaped plates are arranged on the inner wall of the circumference of the inner shell. As a further scheme of the invention, the pushing component comprises a fixed rod arranged on one side of the baffle plate, the fixed rod is concentric with the inner shell, the other end of the fixed rod is rotationally connected with the inner shell, a plurality of equidistant pushing frames are arranged at the bottom of the outer side of the fixed rod, and two symmetrical inclined planes are formed on one side of the pushing frames. As a further scheme of the invention, the crushing assembly comprises a crushing shell arranged on one side of a baffle, the crushing shell is communicated with a first material guide pipe and is fixedly connected with the first material guide pipe, a bottom cover is arranged on the circumferential outer wa