阅读说明：本技术 一种连续式化肥干燥机 (Continuous fertilizer dryer ) 是由 陈富快 于 2019-09-27 设计创作，主要内容包括：本发明公开了一种连续式化肥干燥机,包括烘干槽、输送螺杆、蒸汽夹套,所述输送螺杆两端通过挡板安装在烘干槽内,输送螺杆方向与烘干槽方向平行,所述蒸汽夹套安装在烘干槽下部的外周,所述蒸汽夹套下部设有蒸汽出口,蒸汽夹套上部两侧设有蒸汽入口,蒸汽出口和蒸汽入口分别通过管道与蒸汽锅炉连接。本发明通过输送螺杆在烘干槽推动化肥,并在化肥移动过程中,通过蒸汽夹套加热烘干槽,提供槽内的温度,加速化肥中水分的挥发速度,且烘干完成后的化肥通过烘干槽一端的出料口排出,烘干时不需要调整设备,可实现连续烘干,提高生产时的灵活性。(The invention discloses a continuous chemical fertilizer dryer which comprises a drying groove, a conveying screw rod and a steam jacket, wherein two ends of the conveying screw rod are arranged in the drying groove through baffles, the direction of the conveying screw rod is parallel to the direction of the drying groove, the steam jacket is arranged on the periphery of the lower part of the drying groove, a steam outlet is arranged at the lower part of the steam jacket, steam inlets are arranged at two sides of the upper part of the steam jacket, and the steam outlet and the steam inlets are respectively connected with a steam boiler through pipelines. According to the invention, the chemical fertilizer is pushed in the drying groove through the conveying screw, and the drying groove is heated through the steam jacket in the moving process of the chemical fertilizer, so that the temperature in the drying groove is provided, the volatilization speed of water in the chemical fertilizer is accelerated, the dried chemical fertilizer is discharged through the discharge hole at one end of the drying groove, no equipment is required to be adjusted during drying, continuous drying can be realized, and the flexibility during production is improved.)

1. A continuous fertilizer dryer is characterized in that: the device comprises a drying groove (1), a conveying screw rod (2) and a steam jacket (3), wherein two ends of the conveying screw rod (2) are arranged in the drying groove (1) through baffle plates (4), and the direction of the conveying screw rod (2) is parallel to the direction of the drying groove (1); the steam jacket (3) is arranged on the periphery of the lower part of the drying groove (1); the steam outlet (31) is arranged at the lower part of the steam jacket (3), the steam inlets (32) are arranged at two sides of the upper part of the steam jacket (3), and the steam outlet (31) and the steam inlets (32) are respectively connected with the steam boiler through pipes.

2. The continuous fertilizer dryer of claim 1, wherein: and a motor (6) and a reduction gearbox (5) are arranged on one side of the drying groove (1), and a rotating shaft of the motor (6) is connected with the conveying screw (2) through the reduction gearbox (5).

3. The continuous fertilizer dryer of claim 1, wherein: the upper portion of stoving groove (1) one end is equipped with feed inlet (11), and the lower part of the other end is equipped with discharge gate (12), and feed inlet (11) and discharge gate (12) all are connected with stoving groove (1) inner chamber, are equipped with bleeder valve (13) on discharge gate (12).

4. The continuous fertilizer dryer of claim 1, wherein: and two ends of the upper part of the drying groove (1) are respectively provided with a compressed air inlet (14) and a compressed air outlet (15), and the compressed air inlet (14) is positioned above the middle part of the conveying screw (2).

5. The continuous fertilizer dryer of claim 1, wherein: and dustproof bearings are arranged between the two ends of the conveying screw (2) and the baffle (4).

6. The continuous fertilizer dryer of claim 1, wherein: the length of the conveying screw (2) is 10m to 15 m.

Technical Field

The invention belongs to the field of fertilizer production equipment, and particularly relates to a continuous fertilizer dryer.

Background

In the production of chemical fertilizers, after the granulation of the chemical fertilizers is finished, the chemical fertilizer particles need to be dried to prevent the chemical fertilizers from being affected by moisture and caking, so that the use is influenced, for example, Chinese patent with application number 201822067981.8 discloses a drying device for chemical fertilizer processing, and relates to the field of chemical fertilizer processing. The drying device for chemical fertilizer processing comprises a barrel body, wherein the outside of the barrel body comprises a fixed sleeve, a driving motor, a feeding pipe, a first sealing cover, a supporting shell, a discharging pipe, a discharging hole, a sealing ring, a second sealing cover, a first air hole, a supporting leg and an electric heater, the upper surface of the barrel body is fixedly connected with the bottom of the fixed sleeve, the inner wall of the fixed sleeve is fixedly connected with the surface of the driving motor, the top of the right side of the barrel body is fixedly communicated with the left side of the feeding pipe, however, the drying devices are all used for intermittently drying, chemical fertilizer needs to be added into the barrel when in use, the whole barrel is discharged after the chemical fertilizer is dried for a period of time, and then, when new fertilizer is filled, continuous production cannot be carried out, and the flexibility is poor, so a continuous fertilizer dryer is needed, the drying can be continuously carried out, the production flexibility is improved, meanwhile, the drying operation is reduced, and the efficiency is improved.

Disclosure of Invention

In order to solve the technical problem, the invention provides a continuous fertilizer dryer which can solve the problem that continuous drying cannot be carried out in the prior art.

The invention is realized by the following technical scheme.

The invention provides a continuous chemical fertilizer dryer which comprises a drying groove, a conveying screw rod and a steam jacket, wherein two ends of the conveying screw rod are arranged in the drying groove through baffles, the direction of the conveying screw rod is parallel to the direction of the drying groove, the steam jacket is arranged on the periphery of the lower part of the drying groove, a steam outlet is arranged at the lower part of the steam jacket, steam inlets are arranged at two sides of the upper part of the steam jacket, and the steam outlet and the steam inlets are respectively connected with a steam boiler through pipelines.

And a motor and a reduction gearbox are arranged on one side of the drying groove, and a rotating shaft of the motor is connected with the conveying screw rod through the reduction gearbox.

The upper portion of stoving groove one end is equipped with the feed inlet, and the lower part of the other end is equipped with the discharge gate, and feed inlet and discharge gate all are connected with the stoving inslot chamber, are equipped with the bleeder valve on the discharge gate.

And a compressed air inlet and a compressed air outlet are respectively arranged at two ends of the upper part of the drying groove, and the compressed air inlet is positioned above the middle part of the conveying screw rod.

And dustproof bearings are arranged between the two ends of the conveying screw and the baffle.

The length of the conveying screw rod is 10m to 15 m.

The invention has the beneficial effects that: promote chemical fertilizer at the drying groove through conveying screw to at the chemical fertilizer removal in-process, press from both sides the cover heating drying groove through steam, provide the temperature in the groove, speed up the speed of volatilizing of moisture in the chemical fertilizer, and the chemical fertilizer after the stoving completion is discharged through the discharge gate of drying groove one end, does not need adjusting device during the stoving, can realize drying in succession, flexibility when improving production.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of the present invention;

in the figure: 1-drying groove, 2-conveying screw, 3-steam jacket, 4-baffle, 5-reduction box, 6-motor, 11-feeding hole, 12-discharging hole, 13-discharging valve, 14-compressed air inlet, 15-compressed air outlet, 31-steam outlet and 32-steam inlet.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

As shown in fig. 1 and 2, a continuous fertilizer dryer comprises a drying groove 1, a conveying screw 2 and a steam jacket 3, wherein two ends of the conveying screw 2 are installed in the drying groove 1 through baffles 4, the direction of the conveying screw 2 is parallel to the direction of the drying groove 1, the steam jacket 3 is installed on the periphery of the lower portion of the drying groove 1, a steam outlet 31 is arranged at the lower portion of the steam jacket 3, steam inlets 32 are arranged on two sides of the upper portion of the steam jacket 3, and the steam outlet 31 and the steam inlets 32 are respectively connected with a steam boiler through pipes.

When using this equipment stoving chemical fertilizer, add the chemical fertilizer in to drying groove 1 through feed inlet 11, the chemical fertilizer is under conveying screw 2's drive, move to discharge gate 12 end, and simultaneously, steam that steam boiler produced lets in steam jacket 3 through the pipeline, heat the cell wall of drying groove 1, make the temperature rise in the drying groove 1, the chemical fertilizer is heated the back, inside moisture can volatilize with higher speed, the vapor in the drying groove 1 is carried out drying groove 1 by the air that compressed air entry 14 got into, thereby reduce the water content of chemical fertilizer, the chemical fertilizer removes behind discharge gate 12, through discharge gate 12 discharge drying groove 1, it just processes to get into next process, this equipment can realize the continuous drying of chemical fertilizer, the growth flexibility of chemical fertilizer has been improved, simplify the operation of drying.

The drying groove 1 one side is equipped with motor 6 and reducing gear box 5, and the pivot of motor 6 passes through reducing gear box 5 to be connected with conveying screw 2, and the chemical fertilizer need dry in drying groove 1 for 30 to 40 minutes can dry completely, can reduce conveying screw 2's rotational speed through reducing gear box 5 to guarantee that conveying screw 2's rotational speed is in suitable scope.

The upper portion of 1 one end of drying groove is equipped with feed inlet 11, and the lower part of the other end is equipped with discharge gate 12, and feed inlet 11 and discharge gate 12 all are connected with 1 inner chamber of drying groove, are equipped with bleeder valve 13 on discharge gate 12, and the chemical fertilizer dashes feed inlet 11 and gets into in the drying groove 1, accomplishes the stoving back, and the chemical fertilizer is discharged from discharge gate 12, realizes drying in succession.

The two ends of the upper part of the drying groove 1 are respectively provided with a compressed air inlet 14 and a compressed air outlet 15, the compressed air inlet 14 is positioned above the middle part of the conveying screw rod 2, one part of air blown in from the compressed air inlet 14 is discharged from the compressed air outlet 15, and the other part of air is discharged from the discharge hole 12, so that the air in the drying groove 1 can flow, and dead angles are avoided.

Be equipped with dust bearings between 2 both ends of conveying screw and baffle 4, dust bearings can prevent that the chemical fertilizer dust from getting into the bearing in, influencing the normal operating of equipment.

Conveying screw 2's length is 10m to 15m, and the chemical fertilizer need dry in drying trough 1 in 30 to 40 minutes just can dry completely, and conveying screw 2's length is 10m to 15m to guarantee that the chemical fertilizer can have sufficient displacement, make the chemical fertilizer dry completely.