CN209887938U

CN209887938U - Polyacrylamide double-screw granulator

Info

Publication number: CN209887938U
Application number: CN201920389086.XU
Authority: CN
Inventors: 王磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-01-03
Anticipated expiration: 2029-03-26

Abstract

The utility model belongs to polyacrylamide production facility field especially relates to a polyacrylamide twin-screw granulator, be used for driving the rotatory motor of screw rod in blade and the twin-screw case in the knife case respectively including knife case, twin-screw case and two, two screw rods in the twin-screw case carry the material extrusion to the knife case in and cut into the granule at the knife case, material entry one side on the knife case is provided with guide plate and guide plate mount pad, and guide plate and blade are located the both ends of guide plate mount pad respectively, and the space between guide plate and the blade is called mixing chamber, the guide plate be cake column structure, be provided with the ring channel that plays the water conservancy diversion effect on the outer face of cylinder of cake column structure. The utility model discloses set up unique guide plate structure, can sneak into the surfactant in the material through the guide plate before cutting the grain, make the granule shaping more easily, the size precision of granule is also higher, more can improve production efficiency by a wide margin.

Description

Polyacrylamide double-screw granulator

Technical Field

The utility model belongs to polyacrylamide production facility field especially relates to a polyacrylamide twin-screw granulator.

Background

The polyacrylamide colloid is a water-soluble high-molecular polymer which is used in oil field production in a large amount, and the polyacrylamide colloid needs to be made into particles through a granulator in the actual production process. But polyacrylamide is a special medium with high viscosity and high elasticity, the production efficiency of a common granulator is low, and the granulation quality is not easy to guarantee.

Disclosure of Invention

The utility model provides a polyacrylamide twin-screw granulator to solve the problem of proposing among the above-mentioned background art.

The utility model provides a technical problem adopt following technical scheme to realize: the utility model provides a polyacrylamide twin-screw granulator, which comprises a knife box, a twin-screw box and two motors which are respectively used for driving a blade in the knife box and the screws in the twin-screw box to rotate, wherein the two screws in the twin-screw box extrude and convey materials into the knife box and cut the materials into particles in the knife box, one side of a material inlet on the knife box is provided with a guide plate and a guide plate mounting seat, the guide plate and the blades are respectively positioned at two ends of the guide plate mounting seat, the space between the guide plate and the blades is called as a mixing chamber, the guide plate is of a cake-shaped structure, an outer cylindrical surface of the cake-shaped structure is provided with a ring groove which plays a role in guiding, the side wall of the guide plate mounting seat is correspondingly provided with an surfactant injection joint, the end surface of the guide plate is provided with two through holes which are arranged along the axis direction of the guide, the groove bottom of the annular groove is communicated with the inner wall of the surfactant injection hole through a through hole formed in the groove bottom of the annular groove, so that the surfactant injection joint is communicated with the mixing chamber, the two screws in the double screw box are structurally divided into two sections which are respectively called a large-pitch section and a small-pitch section, and the small-pitch section is located at the discharging end of the double screw box.

The knife box is of a square box structure, at least one window is arranged on the side face of the square box, each window is plugged through a baffle, and the baffles are inserted into sliding grooves in the side face of the square box. The two screws are meshed in a non-closed manner in the large-pitch section and in a closed manner in the small-pitch section.

The utility model has the advantages that:

1. the utility model discloses set up unique guide plate structure, can sneak into the surfactant in the material through the guide plate before cutting the grain, make the granule shaping more easily, the size precision of granule is also higher, more can improve production efficiency by a wide margin.

2. The utility model discloses an unique screw rod structure had both guaranteed to eat the material smooth and easy, can provide sufficient extrusion pressure again, and the high efficiency of guaranteeing production goes on.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of two screws in a twin screw box;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

fig. 4 is a schematic structural view of the knife box.

In the figure: 1-motor, 2-knife box, 3-double screw box, 4-screw, 5-small pitch section, 6-large pitch section, 7-baffle, 8-slot, 9-square box, 10-guide plate, 11-guide hole, 12-surfactant injection hole, 13-ring groove, 14-surfactant injection joint, 15-mixing chamber, 16-blade, 17-guide plate mounting seat.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

the embodiment comprises a knife box 2, a double-screw box 3 and two motors 1 which are respectively used for driving a blade 16 in the knife box 2 and a screw 4 in the double-screw box 3 to rotate, wherein the two screws 4 in the double-screw box 3 extrude and convey materials into the knife box 2 and cut the materials into particles in the knife box 2. The above is a common structure in the prior art, and is not described herein again.

A guide plate 10 and a guide plate mounting seat 17 are arranged on one side of a material inlet on the knife box 2, the guide plate 10 and the blades 16 are respectively positioned at two ends of the guide plate mounting seat 17, a space between the guide plate 10 and the blades 16 is called as a mixing chamber 15, the guide plate 10 is of a round cake-shaped structure, an annular groove 13 for guiding is formed in the outer cylindrical surface of the round cake-shaped structure, and an surfactant injection joint 14 is correspondingly arranged on the side wall of the guide plate mounting seat 17 and the annular groove 13.

The end face of the guide plate 10 is provided with two through holes arranged along the axial direction of the guide plate 10, namely a guide hole 11 and a surfactant injection hole 12. The flow guide holes 11 are used for throttling incoming materials, so that the incoming materials are further extruded and contracted after passing through the flow guide holes 11, and the quality of particles is further improved.

The groove bottom of the annular groove 13 is communicated with the inner wall of the surfactant injection hole 12 through a through hole arranged at the groove bottom of the annular groove 13, so that the surfactant injection joint 14 is communicated with the mixing chamber 15. The utility model discloses set up unique guide plate 10 structure, can sneak into surfactant in the material before cutting grain through surfactant injection joint 14 and the slotted hole structure on the guide plate 10, make the granule shaping easier, the size precision of granule is also higher, more can improve production efficiency by a wide margin.

The two screws 4 in the twin-screw box 3 are both structured into two sections, respectively called a large-pitch section 6 and a small-pitch section 5, wherein the small-pitch section 5 is located at the discharge end of the twin-screw box 3. The utility model discloses a unique screw rod 4 structure, two screw rods 4 adopt the interlock of non-airtight form to guarantee to eat at coarse pitch district section 6 and expect smoothly, avoid holding back the material, two screw rods 4 adopt the interlock of airtight form to provide sufficient extrusion pressure at little pitch district section 5, guarantee that the high efficiency of production goes on.

The knife box 2 is of a square box structure, at least one window is arranged on the side face of the square box 9, each window is sealed through a baffle 7, and the baffles 7 are inserted into sliding grooves 8 on the side face of the square box 9. When clearing up in the knife box 2, the baffle with pull out fast and pull down, guaranteed operating speed promptly, guaranteed the convenience of operation again.

Claims

1. The utility model provides a polyacrylamide twin-screw granulator, includes knife box (2), twin-screw box (3) and two motors (1) that are arranged in driving blade (16) in knife box (2) and screw (4) in twin-screw box (3) respectively rotatory, two screws (4) in twin-screw box (3) are carried the material extrusion to knife box (2) in and are cut into the granule in knife box (2), its characterized in that: a guide plate (10) and a guide plate mounting seat (17) are arranged on one side of a material inlet on the knife box (2), the guide plate (10) and the blade (16) are respectively positioned at two ends of the guide plate mounting seat (17), a mixing chamber (15) is arranged in a space between the guide plate (10) and the blade (16), the guide plate (10) is of a cake-shaped structure, an annular groove (13) with a guide function is arranged on the outer cylindrical surface of the cake-shaped structure, a surfactant injection joint (14) is correspondingly arranged on the side wall of the guide plate mounting seat (17) and the annular groove (13), two through holes arranged along the axial direction of the guide plate (10) are arranged on the end surface of the guide plate (10) and are respectively a guide hole (11) and a surfactant injection hole (12), the bottom of the annular groove (13) is communicated with the inner wall of the surfactant injection hole (12) through the through hole arranged at the bottom of the annular groove (13, so that the surfactant injection joint (14) is communicated with the mixing chamber (15), and the structure of the two screws (4) in the double screw box (3) is divided into two sections, namely a large-pitch section (6) and a small-pitch section (5), wherein the small-pitch section (5) is positioned at the discharge end of the double screw box (3).

2. The polyacrylamide twin-screw granulator of claim 1, wherein: the utility model discloses a knife box, including knife box (2), the side of square box (9) is provided with at least one window, every window passes through a baffle (7) shutoff, baffle (7) cartridge is in spout (8) of square box (9) side.

3. The polyacrylamide twin-screw granulator of claim 1, wherein: the two screws (4) are meshed in a non-closed manner in the large-pitch section (6) and in a closed manner in the small-pitch section (5).