A phosphogypsum aggregate storage device for producing a phosphogypsum water stable layer

Abstract

A kind of phosphogypsum aggregate storage device for producing phosphogypsum water stable layer, including the bunker for storing phosphogypsum aggregate, screw rod is arranged in the bunker, rotary motor for driving screw rod rotation is arranged at the top of the bunker, dehumidifier is also arranged at the top of the bunker, and the air inlet pipe and air outlet pipe of dehumidifier are connected to the bunker.The utility model provides a kind of phosphogypsum aggregate storage device for producing phosphogypsum water stable layer, can heat and dehumidify operation to the phosphogypsum aggregate in bunker, reduce the humidity in container;While screw rod can agitate effect to aggregate, prevent its hardening, caking;In addition, heat insulation layer is also set, can guarantee that cabin temperature is relatively stable in winter.Can make phosphogypsum aggregate stably stored in bunker.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of roadbed water stable layer production, especially a phosphogypsum aggregate storage device for producing phosphogypsum water stable layer. BACKGROUND

[0002] When producing large-mixing-amount phosphogypsum roadbed water stable layer, phosphogypsum powder needs to be granulated first, and then the granulated aggregate is stored for use. Due to the unstable nature of phosphogypsum compared with traditional gravel and cement, and its certain pollution, the traditional stacking form cannot be used. The storage temperature of phosphogypsum is relatively suitable at 10-35 DEG C, and the humidity needs to be controlled below 60%. The existing warehouse material bin cannot meet the storage requirements of phosphogypsum aggregate. At the same time, water needs to be added during the granulation of phosphogypsum aggregate, and the moisture inside the granulated aggregate has not been completely volatilized. If the storage time is too long, the humidity in the storage device may increase. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a phosphogypsum aggregate storage device for producing phosphogypsum water stable layer, so that the phosphogypsum aggregate is stored in suitable humidity and temperature.

[0004] To solve the above technical problem, the utility model adopts the following technical scheme: a phosphogypsum aggregate storage device for producing phosphogypsum water stable layer, which comprises a material bin for storing phosphogypsum aggregate, a screw rod arranged in the material bin, a rotary motor arranged at the top of the material bin and used for driving the screw rod to rotate, and a dehumidifier arranged at the top of the material bin, with the air inlet pipe and air outlet pipe of the dehumidifier connected to the material bin.

[0005] Preferably, the top of the material bin is provided with a feeding port, the bottom of the material bin is in the form of a funnel, and the bottom is provided with a discharging port.

[0006] Preferably, the outer part of the screw rod is sleeved with a guide cylinder, the upper and lower ends of the guide cylinder are open, the side wall of the bottom of the guide cylinder is provided with a feeding hole, and the side wall of the upper part of the guide cylinder is provided with a discharging hole.

[0007] Preferably, the guide cylinder is fixedly connected to the inner side wall of the material bin through a fixing rod.

[0008] Preferably, the upper end and lower end of the screw rod are sleeved with bearing sleeves, and the bearing sleeves are fixedly arranged in the guide cylinder.

[0009] Preferably, the side wall of the material bin is in the form of a double-layer hollow structure, forming a heating cavity, and an electric heating wire or a hot water pipe is arranged in the heating cavity.

[0010] Preferably, the outer side wall of the material bin is coated with a heat insulation layer.

[0011] Preferably, the top of the bin is provided with an exhaust valve.

[0012] Preferably, the bin is fixed on the support.

[0013] The utility model provides a kind of phosphogypsum aggregate storage device for producing phosphogypsum water stable layer, can heat and dehumidification operation to the phosphogypsum aggregate in bin, reduce the humidity in container;While screw rod can agitate effect to aggregate, prevent its hardening, caking;In addition, heat insulation layer is also set, can guarantee that cabin temperature is relatively stable in winter.This can make phosphogypsum aggregate stably stored in bin. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further described below in connection with drawings and embodiment:

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2 It is the internal structure schematic diagram of the utility model;

[0017] Figure 3 It is the structural schematic diagram of the guide material cylinder of the utility model;

[0018] Figure 4 It is the internal structure schematic diagram of the guide material cylinder of the utility model;

[0019] Figure 5 It is the sectional view of the bin of the utility model;

[0020] Figure 6 It is the structural schematic diagram of bin after installation. DETAILED DESCRIPTION

[0021] As Figures 1-2 Shown, a kind of phosphogypsum aggregate storage device for producing phosphogypsum water stable layer, including the bin 1 for storing phosphogypsum aggregate, is equipped with screw rod 2 in bin 1, is equipped with the rotating motor 3 for driving screw rod 2 rotation in the top of bin 1, is also equipped with dehumidifier 4 in the top of bin 1, and the air inlet pipe 5 of dehumidifier 4 and air outlet pipe 6 are connected to bin 1.

[0022] Preferably, the top of the bin 1 is provided with a feed inlet 7, the bottom of the bin 1 is in the form of a funnel, and is provided with a discharge outlet.

[0023] Preferably, as Figure 3As shown, the outer sleeve of the screw rod 2 is provided with a material guiding cylinder 8, the upper and lower ends of the material guiding cylinder 8 are open, the sidewall of the bottom of the material guiding cylinder 8 is provided with a feeding hole 9, and the sidewall of the upper part of the material guiding cylinder 8 is provided with a discharging hole 10. The screw rod 2 lifts the aggregate upward during rotation, the lifted aggregate is discharged from the discharging hole 11, and the aggregate at the bottom of the bin enters from the lower end of the material guiding cylinder 8 and the feeding hole 9, so as to realize cyclic agitation.

[0024] Preferably, the material guiding cylinder 8 is fixedly connected to the inner sidewall of the bin 1 through a fixing rod 11.

[0025] Preferably, as shown in the drawings, Figure 4 As shown, the upper end and the lower end of the screw rod 2 are sleeved with bearing sleeves 16, and the bearing sleeves 16 are fixedly arranged in the material guiding cylinder 8. The bearing sleeves play a limiting role on the screw rod 2.

[0026] Preferably, as shown in the drawings, Figure 5 As shown, the sidewall of the bin 1 is a double-layer hollow structure, forming a heating cavity 12, and an electric heating wire or a hot water pipe is arranged in the heating cavity 12. The heating is started in winter when the temperature is low and when drying and dehumidifying are needed.

[0027] Preferably, the outer sidewall of the bin 1 is coated with a heat preservation and insulation layer 13. The heat preservation layer plays a heat preservation role in winter and an insulation role in summer.

[0028] Preferably, the top of the bin 1 is provided with an exhaust valve 14. The evaporated gas is discharged when heating.

[0029] Preferably, as shown in the drawings, Figure 6 As shown, the bin 1 is fixedly arranged on a support 15.

[0030] When the device is used for storing phosphogypsum aggregate, the rotating rod 2 is started periodically to agitate the phosphogypsum aggregate in the cabin, so as to prevent the phosphogypsum aggregate from being bonded, and a dehumidifier is started periodically to dehumidify the cabin. When the environmental temperature is low in winter or the aggregate is relatively humid, the heating device is started to heat, and the screw rod 2 is additionally used to agitate, so that the phosphogypsum aggregate is uniformly heated.

[0031] The above-mentioned embodiments are only preferred technical solutions of the present application, and should not be regarded as limitations of the present application. The protection scope of the present application should be the technical solutions recited in the claims, including equivalent replacement solutions of the technical features recited in the claims. That is, equivalent replacement improvements within this range are also within the protection scope of the present application.

Claims

1. A phosphogypsum aggregate storage device for producing a phosphogypsum water stable layer, characterized by: The application relates to a phosphogypsum aggregate storage bin, which comprises a bin (1) for storing phosphogypsum aggregate, a screw rod (2) arranged in the bin (1), a rotating motor (3) arranged at the top of the bin (1) and used for driving the screw rod (2) to rotate, and a dehumidifier (4) arranged at the top of the bin (1), wherein the air inlet pipe (5) and the air outlet pipe (6) of the dehumidifier (4) are connected to the bin (1).

2. The phosphogypsum aggregate storage device for producing a water stable layer of phosphogypsum according to claim 1, characterized in that: The top of the bin (1) is provided with an inlet (7), the bottom of the bin (1) is in a funnel shape, and the bottom of the bin (1) is provided with an outlet.

3. The phosphogypsum aggregate storage device for producing a water stable layer of phosphogypsum according to claim 1, characterized in that: The outer part of the screw rod (2) is sleeved with a guide cylinder (8), the upper and lower ends of the guide cylinder (8) are open, the side wall of the bottom of the guide cylinder (8) is provided with an inlet hole (9), and the side wall of the upper part of the guide cylinder (8) is provided with an outlet hole (10).

4. The phosphogypsum aggregate storage device for producing a water stable layer of phosphogypsum according to claim 3, characterized in that: The guide cylinder (8) is fixedly connected to the inner side wall of the bin (1) through a fixing rod (11).

5. The phosphogypsum aggregate storage device for producing a water stable layer of phosphogypsum according to claim 3 or 4, characterized in that: The upper end and the lower end of the screw rod (2) are sleeved with bearing sleeves (16), and the bearing sleeves (16) are fixedly arranged in the guide cylinder (8).

6. The phosphogypsum aggregate storage device for producing a water stable layer of phosphogypsum according to claim 1, characterized in that: The side wall of the bin (1) is in a double-layer hollow structure, a heating cavity (12) is formed, and an electric heating wire or a hot water pipe is arranged in the heating cavity (12).

7. The phosphogypsum aggregate storage device for producing a water stable layer of phosphogypsum according to claim 6, characterized in that: The outer side wall of the bin (1) is coated with a heat preservation and insulation layer (13).

8. The phosphogypsum aggregate storage device for producing a water stable layer of phosphogypsum according to claim 6 or 7, characterized in that: The top of the bin (1) is provided with an exhaust valve (14).

9. The phosphogypsum aggregate storage device for producing a water stable layer of phosphogypsum according to claim 1, characterized in that: The bin (1) is fixedly arranged on a support (15).

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