CN214863871U

CN214863871U - Screening plant is used in fire retardant production

Info

Publication number: CN214863871U
Application number: CN202120923824.1U
Authority: CN
Inventors: 叶锐; 张路; 王林燊; 简帅
Original assignee: Sichuan Longjintai Technology Co ltd
Current assignee: Sichuan Longjintai Technology Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-26
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a screening plant is used in fire retardant production, include: the feeding device comprises a body, wherein an inverted funnel-shaped blanking area is arranged at the top in the body, a feeding bin communicated with the blanking area is arranged at the top of the body, and a feeding hole is formed in the top of the feeding bin; a conical grinding body is arranged in the blanking area, the top of the grinding body is connected through a rotating shaft, and the rotating shaft penetrates out of the feeding bin and is connected with an output shaft of a motor; a gap is arranged between the periphery of the grinding body and the wall of the feeding bin; a screen is arranged in the body below the milling body, a discharge port is formed in the body on one side of the screen, and a discharge pipe is arranged at the bottom of the body; the grinding body bottom is equipped with the montant with the pivot coaxial line, the montant downwardly extending passes in the screen cloth gets into in the discharge tube, the montant middle part is equipped with the dispersion pole, the montant is located the position outside of arranging the material pipe and is equipped with helical blade. The utility model provides a screening plant is used in fire retardant production sieves effectually and efficiently.

Description

Screening plant is used in fire retardant production

Technical Field

The utility model relates to a fire retardant production technical field especially relates to a screening plant is used in fire retardant production.

Background

The flame retardant scientific technology is developed for meeting the requirements of safe production and life of the society, preventing fire from happening and protecting lives and properties of people. The flame retardant is an application of a flame retardant technology in actual life, is a special chemical auxiliary agent for improving the combustion performance of combustible and combustible materials, and is widely applied to flame retardant processing of various decoration materials.

In the production of the flame retardant, the crude flame retardant after drying and crushing contains unqualified flame retardant products such as lumps or fine powder, and the crude flame retardant needs to be screened. In the prior art, the existing screening equipment usually uses a screen to screen fire retardant particles, but fire retardants on the screen are easy to accumulate, so that the screening efficiency is reduced, and the screening efficiency and the effect are not good; and massive fire retardant jam easily in the mesh of screen cloth, and the production personnel need open screening installation and clear up the screen cloth, waste time and energy.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.

In order to solve the not enough of prior art, the utility model provides a screening plant is used in fire retardant production, include:

the feeding device comprises a body, wherein an inverted funnel-shaped blanking area is arranged at the top in the body, a feeding bin communicated with the blanking area is arranged at the top of the body, and a feeding hole is formed in the top of the feeding bin; a conical grinding body is arranged in the blanking area, the top of the grinding body is connected through a rotating shaft, and the rotating shaft penetrates out of the feeding bin and is connected with an output shaft of a motor; a gap is arranged between the periphery of the grinding body and the wall of the feeding bin;

a screen is arranged in the body below the milling body, a discharge port is formed in the body on one side of the screen, and a discharge pipe is arranged at the bottom of the body; the utility model discloses a material discharging device, including grinding body, screen cloth, dispersion pole, montant, dispersion pole, material discharging pipe, the grinding body bottom is equipped with the montant with the pivot coaxial line, the montant downwardly extending passes in the screen cloth gets into in the material discharging pipe, the montant middle part is equipped with the dispersion pole, the dispersion pole is located the screen cloth top, the montant is located the position outside of material discharging pipe is equipped with helical blade.

Furthermore, a net cylinder with an opening at the upper part and the lower part is arranged in the body, and the net cylinder is positioned between the screen and the grinding body; the top opening of the net cylinder is connected with a funnel-shaped drain opening at the bottom of the material guiding hopper, the outer edge of the top of the material guiding hopper is fixed on the side wall of the body, and the material guiding hopper is positioned below the grinding body; an exhaust fan is installed on the outer side wall of the body, at least 2 powder suction pipes are connected to the inlet end of the exhaust fan, the powder suction pipes extend into the body and are connected with a powder suction cover located on the outer side of the net cylinder, the outlet end of the exhaust fan is connected with a powder collecting box through a connecting pipe, and the powder collecting box is fixed on the side portion of the body.

Further, the top outside of montant is equipped with the bearing, the bearing pass through many spinal branchs vaulting pole with the body inside wall is connected, the bracing piece is radial distribution.

Further, still include the seal box, the bearing is located in the seal box, bracing piece one end and bearing outer wall connection, its other end is worn out the seal box is fixed on the body lateral wall, the montant vertically runs through the seal box.

Furthermore, the bottom surface of the dispersing rod is provided with bristles, and the bottoms of the bristles are in contact with the upper surface of the screen.

Further, the bottom of the body is funnel-shaped, and an opening at the bottom of the body is connected with a pipe orifice at the top of the discharge pipe.

Further, pivot surface mounting has a feeding vane, feeding vane is the heliciform and coils the pivot.

Furthermore, the peripheral surface of the top of the grinding body is provided with a material passing hole vertically penetrating through the grinding body.

The utility model discloses at least, include following beneficial effect:

1. the utility model discloses a grinding body smashes the fire retardant that disperses into the granule in the rotation process with cubic fire retardant, is favorable to guaranteeing that follow-up screening is abundant, and avoids cubic fire retardant to block up the mesh of screen cloth effectively, guarantees the screening effect, improves screening efficiency;

2. the dispersing rods synchronously rotate along with the vertical rods, and the rotating dispersing rods disperse the flame retardant, so that the flame retardant is uniformly dispersed on the screen, the flame retardant is prevented from being accumulated on the screen to influence the screening efficiency, the screening is ensured to be smoothly carried out, the screening effect is ensured, the screening efficiency is favorably improved, and the overall production efficiency of the flame retardant is improved;

3. helical blade that the montant is located the outside setting in the discharge tube is favorable to helping arrange the material pipe unloading, is convenient for discharge through the fire retardant after the screening, avoids arranging the material pipe and blocks up.

Drawings

Figure 1 is the utility model discloses a screening plant structure schematic diagram is used in fire retardant production.

Reference numerals: 1-body, 2-blanking area, 21-reinforcing rib, 3-feeding bin, 31-feeding inlet, 4-grinding body, 41-rotating shaft, 42-motor, 43-material passing hole, 44-feeding blade, 5-screen, 6-vertical rod, 61-dispersing rod, 611-brush hair, 7-helical blade, 8-mesh cylinder, 9-material guiding hopper, 10-exhaust fan, 11-discharging outlet, 12-discharging pipe, 13-powder sucking pipe, 14-powder collecting box, 15-bearing, 151-supporting rod, 16-sealing box and 17-powder sucking cover.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Fig. 1 shows that the utility model discloses a screening plant is used in fire retardant production, include:

the feeding device comprises a body 1, wherein an inverted funnel-shaped blanking area 2 is arranged at the top in the body 1, a feeding bin 3 communicated with the blanking area 2 is arranged at the top of the body 1, and a feeding hole 31 is formed in the top of the feeding bin 3; a conical grinding body 4 is arranged in the blanking area 2, the top of the grinding body 4 is connected through a rotating shaft 41, and the rotating shaft 41 penetrates out of the feeding bin 3 and is connected with an output shaft of a motor 42; a gap is arranged between the periphery of the grinding body 4 and the wall of the feeding bin 3;

a screen 5 is arranged in the body 1 below the grinding body 4, a discharge port 11 is formed in the body 1 on one side of the screen 5, and a discharge pipe 12 is arranged at the bottom of the body 1; the bottom of the grinding body 4 is provided with a vertical rod 6 which is coaxial with the rotating shaft 41, the vertical rod 6 extends downwards to pass through the screen cloth 5 to enter the discharge pipe 12, the middle part of the vertical rod 6 is provided with a dispersion rod 61, the dispersion rod 61 is positioned above the screen cloth 5, and the vertical rod 6 is positioned outside the position of the discharge pipe 12 and is provided with a helical blade 7.

In the technical scheme, the grinding body 4 crushes and disperses the blocky flame retardant into the small-particle flame retardant in the rotating process, so that the full subsequent screening is ensured, the blocky flame retardant is effectively prevented from blocking the meshes of the screen 5, the screening effect is ensured, and the screening efficiency is improved; the dispersing rods 61 rotate synchronously along with the vertical rods 6, and the rotating dispersing rods 61 disperse the flame retardant, so that the flame retardant is uniformly dispersed on the screen 5, the flame retardant is prevented from being accumulated on the screen 5 to influence the screening efficiency, the screening is ensured to be smoothly carried out, the screening effect is ensured, the improvement of the screening efficiency is facilitated, and the overall production efficiency of the flame retardant is improved; helical blade 7 that montant 6 is located the outside setting of arranging in row material pipe 12 is favorable to helping arrange the material pipe unloading, is convenient for discharge through the fire retardant after the screening, avoids arranging material pipe 12 and blocks up.

The working principle is as follows: motor 42 drive pivot 41 rotates, pivot 41 drives grinding body 4, montant 6 rotates, wait to sieve the fire retardant and enter into feeding storehouse 3 through feed inlet 31 in, the fire retardant falls to unloading district 2 again in, the fire retardant flows downwards from the gap between 2 inner walls in unloading district and the grinding body 4, the pivoted grinding body 4 thereby extrudees the dispersion into granule with cubic fire retardant, the fire retardant falls on screen cloth 5 at last, thereby dispersion pole 61 rotates along with montant 6 and avoids the fire retardant to pile up, the fire retardant that accords with the particle size requirement falls into body 1 bottom after entering into row material pipe 12 through the mesh of screen cloth 5, helical blade 7 discharges the fire retardant in the rotation process, after the screening is accomplished, open bin outlet 11 and take out the fire retardant that is not conform to the requirement.

In another example, a mesh cylinder 8 with an opening at the upper part and the lower part is arranged in the body 1, and the mesh cylinder 8 is positioned between the screen 5 and the grinding body 4; the top opening of the net cylinder 8 is connected with a funnel-shaped leakage opening at the bottom of the material guiding hopper 9, the outer edge of the top of the material guiding hopper 9 is fixed on the side wall of the body 1, and the material guiding hopper 9 is positioned below the grinding body 4; an exhaust fan 10 is installed on the outer side wall of the body 1, at least 2 powder suction pipes 13 are connected to the inlet end of the exhaust fan 10, the powder suction pipes 13 extend into the body 1 and are connected with a powder suction cover 17 located on the outer side of the net cylinder 8, the outlet end of the exhaust fan 10 is connected with a powder collecting box 14 through a connecting pipe, and the powder collecting box 14 is fixed on the side portion of the body 1.

In the technical scheme, the dried and crushed flame retardant particles contain the powdery flame retardant, the flame retardant is milled and dispersed by the milling body 4 and then is collected and drained into the net cylinder 8 through the material guiding hopper 9, the powdery flame retardant is sucked and removed by the exhaust fan 10 through the powder suction pipe 13 in the falling process of the flame retardant in the net cylinder 8, the quality of the flame retardant is favorably ensured, and the arrangement of the net cylinder 8 isolates the flame retardant to prevent the particle flame retardant from being sucked into the powder suction pipe 13 to cause blockage; powdered fire retardant is concentrated and is collected in powder case 14 again, is convenient for concentrate the collection, avoids causing the fire retardant extravagant.

In another example, a bearing 15 is arranged outside the top end of the vertical rod 6, the bearing 15 is connected with the inner side wall of the body 1 through a plurality of support rods 151, and the support rods 151 are distributed radially. With the adoption of the scheme, the bearing 15 enables the vertical rod 6 to stably rotate, and the supporting rods 151 are radially distributed to further enhance the stability.

In another example, the device further comprises a seal box 16, the bearing 15 is located in the seal box 16, one end of the support rod 151 is connected with the outer wall of the bearing 15, the other end of the support rod penetrates through the seal box 16 and is fixed on the side wall of the body 1, and the vertical rod 6 vertically penetrates through the seal box 16. With this arrangement, the seal box 16 effectively organizes the ingress of fire retardant particles into the bearing 15 to cause damage.

In another example, the dispersion bar 61 is provided with bristles 611 on the bottom surface thereof, and the bottom of the bristles 611 is in contact with the upper surface of the mesh 5. With this arrangement, the brush hair 611 brushes the mesh of the screen 5 during rotation with the dispersion rod 61, further preventing the mesh of the screen 5 from being clogged.

In another example, the bottom of the body 1 is funnel-shaped, and the bottom opening of the funnel-shaped body is connected with the top nozzle of the discharge pipe 12. By adopting the scheme, the blanking is further facilitated.

In another example, the surface of the rotating shaft 41 is provided with a feeding blade 44, and the feeding blade 44 is spirally wound around the rotating shaft 41. By adopting the scheme, the feeding blades 44 rotate synchronously along with the rotating shaft 41, the fire retardant to be screened falls into the feeding bin 3 through the feeding port 31 and moves downwards under the driving of the feeding blades 44, so that the effect of dispersing the fire retardant is achieved, fire retardant particles uniformly and dispersedly fall into a gap area between the periphery of the grinding body 4 and the inner wall of the blanking area 2, and the situation that the rotation of the grinding body 4 is influenced due to the blockage caused by excessive materials on one side of the grinding body 4 is avoided.

In another example, the top peripheral surface of the milling body 4 is provided with through holes 43 vertically penetrating the milling body 4. With this arrangement, the through-holes 43 are used for allowing the small-particle and powdery flame retardant to directly fall without passing through the gap between the milling body 4 and the blanking zone 2, thereby preventing the gap between the milling body 4 and the blanking zone 2 from being blocked due to excessive congestion.

While the embodiments of the invention have been described above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications can be easily made by those skilled in the art without departing from the general concept defined by the claims and their equivalents, and it is therefore not limited to the specific details and illustrations shown and described herein, and it is obvious that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a screening plant is used in fire retardant production which characterized in that includes:

the feeding device comprises a body (1), wherein an inverted funnel-shaped blanking area (2) is arranged at the inner top of the body (1), a feeding bin (3) communicated with the blanking area (2) is arranged at the top of the body (1), and a feeding hole (31) is formed in the top of the feeding bin (3); a conical grinding body (4) is arranged in the blanking area (2), the top of the grinding body (4) is connected through a rotating shaft (41), and the rotating shaft (41) penetrates out of the feeding bin (3) and is connected with an output shaft of a motor (42); a gap is arranged between the periphery of the grinding body (4) and the wall of the feeding bin (3);

a screen (5) is arranged in the body (1) below the grinding body (4), a discharge opening (11) is formed in the body (1) on one side of the screen (5), and a discharge pipe (12) is arranged at the bottom of the body (1); grinding body (4) bottom is equipped with montant (6) with pivot (41) coaxial line, montant (6) downwardly extending pass in screen cloth (5) get into arrange in row material pipe (12), montant (6) middle part is equipped with dispersion rod (61), dispersion rod (61) are located screen cloth (5) top, montant (6) are located arrange the position outside of material pipe (12) and be equipped with helical blade (7).

2. A screening device for producing fire retardant according to claim 1, wherein a net cylinder (8) with an opening at the upper and lower parts is arranged in the body (1), and the net cylinder (8) is positioned between the screen (5) and the grinding body (4); the top opening of the net cylinder (8) is connected with a funnel-shaped leakage opening at the bottom of the material guiding hopper (9), the outer edge of the top of the material guiding hopper (9) is fixed on the side wall of the body (1), and the material guiding hopper (9) is positioned below the grinding body (4); the utility model discloses a powder collection device, including body (1), body (1) outside lateral wall installs air exhauster (10), the entrance point of air exhauster (10) is connected with 2 at least and inhales powder pipe (13), inhale powder pipe (13) stretch into body (1) in with be located inhale powder cover (17) in net section of thick bamboo (8) outside and be connected, air exhauster (10) exit end is connected with collection powder case (14) through the connecting pipe, collection powder case (14) are fixed on body (1) lateral part.

3. The screening device for producing the flame retardant, according to claim 1, is characterized in that a bearing (15) is arranged outside the top end of the vertical rod (6), the bearing (15) is connected with the inner side wall of the body (1) through a plurality of support rods (151), and the support rods (151) are radially distributed.

4. The screening device for producing the flame retardant is characterized by further comprising a sealing box (16), the bearing (15) is located in the sealing box (16), one end of the supporting rod (151) is connected with the outer wall of the bearing (15), the other end of the supporting rod penetrates out of the sealing box (16) and is fixed on the side wall of the body (1), and the vertical rod (6) penetrates through the sealing box (16) vertically.

5. A screening device for producing fire retardant according to claim 1, wherein the bottom surface of the dispersion rod (61) is provided with bristles (511), and the bottom of the bristles (511) is in contact with the upper surface of the screen (5).

6. A screening device for fire retardant production according to claim 1, wherein the bottom of the body (1) is funnel-shaped, and the bottom opening of the body is connected with the top nozzle of the discharge pipe (12).

7. A screening device for producing fire retardant according to claim 1, wherein the surface of the rotating shaft (41) is provided with a feeding blade (44), and the feeding blade (44) is spirally wound around the rotating shaft (41).

8. A screening device for the production of fire retardants according to claim 1, characterized in that the top peripheral surface of the grinding body (4) is provided with through holes (43) vertically penetrating the grinding body (4).