Device for improving pelletizing rate of compound fertilizer granulation

Abstract

The utility model provides a device for improving the pelletizing rate of compound fertilizer granulation, which comprises a finished product screening device, the lower part of the finished product screening device is connected with a blanking pipe, the blanking pipe is connected with a hammer crusher through a cloth bag air pipe, and the hammer crusher is connected with a discharge pipe; the bottom of the discharging pipe corresponds to a conveying belt, and the tail of the conveying belt is connected with a granulator. According to the utility model, the hammer crusher is utilized to crush large particles in the returned material of the finished product sieve, the crushed returned material is beneficial to material making, the product quality is improved, and the balling rate of the compound fertilizer is improved; the vibrator is installed on the discharging pipe at the bottom of the hammer crusher, materials are not prone to being accumulated in the hammer crusher, and the exhaust fan is installed on the upper exhaust pipe to prevent dust from polluting the environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of compound fertilizer granulation technology processing, specifically relates to a device that improves compound fertilizer granulation sphericity. BACKGROUND

[0002] Compound fertilizer raw materials and return materials are not good for granulation after entering the granulator, and the sphericity is not high, according to the observation of compound fertilizer raw materials and return materials, it is found that a large amount of large particle compound fertilizer is in return materials, these large particles come from return materials in product screen outlet, and the return materials of large particle compound fertilizer are not conducive to granulation, so that the particles out of the granulator are uneven, and the sphericity is low. CONTENT OF UTILITY MODEL

[0003] The utility model carries out crushing treatment to unqualified large particle compound fertilizer of product screen, and the return materials are granulated, which is favorable for producing uniform compound fertilizer, improves product quality and improves the sphericity of compound fertilizer.

[0004] The specific scheme is as follows:

[0005] A device that improves compound fertilizer granulation sphericity, including product screen device, the lower part of product screen device is connected with the downcomer, the downcomer is connected with hammer crusher through cloth bag air pipe, and the hammer crusher is connected with discharge pipe; the bottom of discharge pipe corresponds to the conveying belt, and the tail of conveying belt is connected with the granulator.

[0006] The downcomer side wall is provided with a hole, and a bypass branch pipe is connected, the top of bypass branch pipe is provided with a plug B, and the bottom corresponds to the conveying belt; the hole of downcomer side part is provided with a plug A below.In case of failure of hammer crusher, emergency operation can be carried out through bypass branch pipe.

[0007] The discharge pipe is inverted conical, and the side wall is provided with a vibrator to prevent material sticking to the inner wall of the discharge pipe.

[0008] The upper part of downcomer is connected with suction pipe, the suction pipe is connected with suction fan, the suction fan is connected with washing tower, to avoid dust leakage and environmental pollution.

[0009] The utility model utilizes hammer crusher to crush large particles in product screen return materials, and the crushed return materials are conducive to material preparation, improve product quality and improve the sphericity of compound fertilizer; a vibrator is installed on the discharge pipe at the bottom of hammer crusher, and material accumulation is avoided, and a suction fan is installed on the upper suction pipe to prevent dust pollution. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 The structure diagram of the utility model. DETAILED DESCRIPTION

[0011] As Figure 1As shown, a device for improving the prilling and pelletizing rate of compound fertilizer, comprising a finished product sieve device 1, a lower portion of the finished product sieve device 1 being connected to a discharging pipe 2, the discharging pipe 2 being connected to a hammer crusher 4 through a cloth bag air pipe 3, the hammer crusher 4 being connected to a discharging pipe 5; the bottom of the discharging pipe 5 corresponding to a conveying belt 6, the tail of the conveying belt 6 being connected to a prilling machine 7.

[0012] The side wall of the discharging pipe 2 is provided with an opening, and a bypass branch pipe 8 is connected to the opening; the top of the bypass branch pipe 8 is provided with an insertion plate B 9, and the bottom of the bypass branch pipe 8 corresponds to the conveying belt 6; an insertion plate A 10 is arranged below the opening in the side portion of the discharging pipe 2. When the hammer crusher 4 fails and needs to be repaired, the bypass branch pipe 8 can be used for emergency operation.

[0013] The discharging pipe 5 is inverted conical, and a vibrator 11 is arranged on the side wall of the discharging pipe 5 to prevent the inner wall of the discharging pipe 5 from sticking with materials.

[0014] The upper portion of the discharging pipe 2 is connected to an air extraction pipe 12, the air extraction pipe 12 being connected to an air extractor 13, the air extractor 13 being connected to a washing tower 14, so as to avoid dust leakage and environmental pollution.

[0015] The hammer crusher 4 is used to crush the large particles in the returned material of the finished product sieve, and the crushed returned material is beneficial to material preparation, improves the product quality, and improves the pelletizing rate of the compound fertilizer.

[0016] The above is only part of the preferred embodiments of the present application, and does not limit the present application in any form, and any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the scope of the technical scheme of the present application.

Claims

1. A device for improving the granulation rate of compound fertilizer, characterized in that: It includes a finished product screening device, the lower part of which is connected to a discharge pipe, which is connected to a hammer crusher through a bag air duct, and the hammer crusher is connected to a discharge pipe; the bottom of the discharge pipe corresponds to a conveyor belt, and the tail of the conveyor belt is connected to a granulator.

2. A device for improving the granulation rate of compound fertilizer according to claim 1, characterized in that, The side wall of the discharge pipe is opened to connect the bypass branch pipe. A plug-in plate B is set on the top of the bypass branch pipe, and the bottom corresponds to the conveyor belt; a plug-in plate A is set below the opening on the side of the discharge pipe.

3. A device for improving the granulation rate of compound fertilizer according to claim 1, characterized in that, The discharge pipe is in an inverted cone shape, and a vibrator is arranged on the side wall.

4. A device for improving the granulation and balling rate of compound fertilizer according to claim 1, characterized in that: The upper portion of the discharge pipe is connected to an exhaust pipe, the exhaust pipe is connected to an exhaust fan, and the exhaust fan is connected to a washing tower.

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