Top ventilation structure of steel silo

Abstract

The utility model provides a top ventilation structure of a steel silo, which relates to the technical field of steel silos and comprises a steel silo body, the upper surface of the steel silo body is fixedly connected with a mounting cover, the upper surface of the steel silo body is provided with a rotating sleeve through a bearing, and the outer surface of the rotating sleeve is fixedly sleeved with a worm gear. The lower end of the rotating sleeve penetrates through and extends into the steel silo body, first air outlet holes distributed in an annular array mode are formed in the outer surface of the rotating sleeve, and the outer surface of the rotating sleeve fixedly communicates with flow dividing pipes distributed in an annular array mode. Flowing air is evenly blown to grains in the steel plate silo body in a rotating mode, so that the situation that the ventilation efficiency of the grains in local areas in the steel plate silo body is poor is avoided, the grain storage quality is greatly improved, and through quick-release cooperation of round head clamping blocks and round positioning grooves, the dustproof filter screen is convenient to detach and replace, and the practicability is high. And therefore, the effect of air circulation in the steel silo body is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel plate storehouse technical field especially relates to a top ventilation structure of steel plate storehouse. BACKGROUND

[0002] Steel plate storehouse is mainly used for storing cement, fly ash, slag powder, clinker, grain and other powder and granular materials, and has the advantages of light weight, low engineering cost, short construction period, standardization, automation, high mechanization degree and high storage efficiency, which is popular among enterprises for its advantages in improving the working environment of grain in and out of the storehouse, reducing labor intensity and improving work efficiency.

[0003] For example, a steel plate storehouse top ventilation and air exchange device (publication number: CN220457981U) is disclosed in Chinese patent documents, which can accelerate the air flow inside the steel plate storehouse body, so that the air inside the steel plate storehouse body can always maintain a flowing state, avoiding the grain stored inside the steel plate storehouse body from being hardened due to lack of air flow, and thus better storing grain. At the same time, the ventilation assembly is added to discharge the external air into the interior of the steel plate storehouse body, thereby facilitating the air exchange operation of the grain inside the steel plate storehouse body.

[0004] However, in actual use, due to the fixed setting of the ventilation pipe, the blowing angle of the through hole is limited, which leads to a large difference in ventilation efficiency of the grain at different positions inside the steel plate storehouse. In addition, the dustproof plate is located inside the air collecting chamber, which is not convenient to replace and clean. After a long time of use, a lot of dust will accumulate on the dustproof plate, which greatly affects the air flow inside the steel plate storehouse. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art. In actual use, due to the fixed setting of the ventilation pipe, the blowing angle of the through hole is limited, which leads to a large difference in ventilation efficiency of the grain at different positions inside the steel plate storehouse. In addition, the dustproof plate is located inside the air collecting chamber, which is not convenient to replace and clean. After a long time of use, a lot of dust will accumulate on the dustproof plate, which greatly affects the air flow inside the steel plate storehouse.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A top ventilation structure of a steel silo, comprising a steel silo body, the upper surface of the steel silo body is fixedly connected with a mounting cover body, the upper surface of the steel silo body is provided with a rotating sleeve through a bearing, the outer surface of the rotating sleeve is fixedly sleeved with a worm wheel, the lower end of the rotating sleeve penetrates and extends to the inside of the steel silo body, the outer surface of the rotating sleeve is provided with a first air outlet hole in a ring array, the outer surface of the rotating sleeve is fixedly connected with a shunt pipe in a ring array, and the outer surface of the shunt pipe is provided with a second air outlet hole in a linear array.

[0008] The inside of the mounting cover body is provided with a rotating ventilation device, and the rotating ventilation device comprises a current collector cover.

[0009] Preferably, the lower end inner wall of the current collector cover is mounted with the upper end outer surface of the rotating sleeve through a sealing bearing, the upper surface of the steel silo body is fixedly mounted with a servo motor, and the output shaft of the servo motor is fixedly mounted with a worm through a shaft coupling.

[0010] Preferably, the outer surface of the worm is engaged with the tooth surface of the worm wheel, the upper surface of the mounting cover body is fixedly mounted with a blower, and the upper surface of the mounting cover body is fixedly connected with an air inlet pipe.

[0011] Preferably, the outer surface of the air inlet pipe is provided with an ultrasonic flowmeter, the upper end outer surface of the air inlet pipe is fixedly connected with an annular mounting block, and the outer surface of the annular mounting block is provided with a mounting groove in a symmetrical distribution.

[0012] Preferably, the inner wall of the mounting groove is movably sleeved with a round head clamping block, one side surface of the round head clamping block is fixedly connected with a return spring, one end of the return spring is fixedly connected with the inner wall of the mounting groove, and the outer surface of the annular mounting block is movably sleeved with a filter cover.

[0013] Preferably, the inner wall of the filter cover is fixedly sleeved with a dustproof filter screen, and the inner wall of the filter cover is provided with a circular positioning groove in a symmetrical distribution.

[0014] Preferably, the inner wall of the circular positioning groove is movably clamped with the other end of the round head clamping block, and the outer surface of the steel silo body is provided with a ventilation window.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model discloses a rotating ventilation device, which is used for blowing the flowing wind evenly on the grain in the steel plate warehouse body through rotation, thereby avoiding poor ventilation efficiency of the grain in the local area of the steel plate warehouse body, greatly improving the storage quality of the grain, and facilitating the disassembly and replacement of the dustproof filter screen through the quick release cooperation of the round head clamping block and the circular positioning groove, thereby guaranteeing the air circulation effect in the steel plate warehouse body. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A main body structure schematic diagram of the top ventilation structure of the steel plate warehouse is provided in the utility model.

[0018] Figure 2 A steel plate warehouse body structure perspective view of the top ventilation structure of the steel plate warehouse is provided in the utility model.

[0019] Figure 3 A radome structure perspective view of the top ventilation structure of the steel plate warehouse is provided in the utility model.

[0020] Figure 4 An annular mounting block structure explosion view of the top ventilation structure of the steel plate warehouse is provided in the utility model.

[0021] Figure 5 A top ventilation structure of the steel plate warehouse is provided in the utility model. Figure 4 A structure enlarged view of the middle A place is provided in the utility model.

[0022] Legend: 1, steel plate warehouse body; 2, mounting cover body; 3, rotating sleeve; 4, worm wheel; 5, first air outlet hole; 6, shunt pipe; 7, second air outlet hole; 8, current collector cover; 81, servo motor; 82, worm; 83, air blower; 84, air inlet pipe; 85, ultrasonic flowmeter; 86, annular mounting block; 87, mounting groove; 88, round head clamping block; 89, return spring; 810, filter cover; 811, dustproof filter screen; 812, circular positioning groove; 9, ventilation window. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] For the convenience of understanding the utility model, the following will be described in relation to the utility model more fully, given several embodiments of the utility model, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be intervening elements, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be intervening elements, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, the terminology used in the specification of the utility model herein is only for the purpose of describing specific embodiments and is not intended to limit the utility model, the term "and / or" used herein includes any and all combinations of one or more of the associated listed items. Embodiments

[0027] As Figures 1-5 shown, the utility model provides a technical scheme: a kind of top ventilation structure of steel plate warehouse, including steel plate warehouse body 1, the upper surface of steel plate warehouse body 1 is fixedly connected with installation cover body 2, the upper surface of steel plate warehouse body 1 is equipped with rotating sleeve 3 by bearing, the outer surface of rotating sleeve 3 is fixedly sleeved worm wheel 4, the lower end of rotating sleeve 3 penetrates and extends to the inside of steel plate warehouse body 1, the outer surface of rotating sleeve 3 is equipped with the first air outlet hole 5 of annular array distribution, the outer surface of rotating sleeve 3 is fixedly connected with the shunt pipe 6 of annular array distribution, the outer surface of shunt pipe 6 is equipped with the second air outlet hole 7 of linear array distribution, and rotating of shunt pipe 6 is through second air outlet hole 7 to the grain stored in steel plate warehouse body 1 is evenly ventilated;

[0028] The inside of installation cover body 2 is provided with rotating ventilation device, and rotating ventilation device includes current collecting cover 8, and the outer surface of current collecting cover 8 is fixedly sleeved with the inner wall of installation cover body 2.

[0029] The lower end inner wall of current collecting cover 8 is installed with the upper end outer surface of rotating sleeve 3 by sealing bearing, the upper surface of steel plate warehouse body 1 is fixedly installed with servo motor 81, the output shaft of servo motor 81 is fixedly installed with worm 82 by coupling, and current collecting cover 8 is used to gather and deliver to rotating sleeve 3 and is ventilated.

[0030] The outer surface of the worm 82 is engaged with the tooth surface of the worm wheel 4, the upper surface of the mounting cover body 2 is fixedly provided with a blower 83, the upper surface of the mounting cover body 2 is fixedly communicated with an air inlet pipe 84, and the blower 83 serves to introduce external airflow into the air inlet pipe 84 for ventilation.

[0031] The outer surface of the air inlet pipe 84 is provided with an ultrasonic flowmeter 85, the upper end of the outer surface of the air inlet pipe 84 is fixedly connected with an annular mounting block 86, the outer surface of the annular mounting block 86 is provided with symmetrically distributed mounting grooves 87, the ultrasonic flowmeter 85 serves to monitor the wind speed in the air inlet pipe 84, and an alarm is given when the wind speed is too low, so as to guarantee the ventilation efficiency.

[0032] The inner wall of the mounting groove 87 is movably sleeved with a round head clamping block 88, one side surface of the round head clamping block 88 is fixedly connected with a return spring 89, one end of the return spring 89 is fixedly connected with the inner wall of the mounting groove 87 on one side, the outer surface of the annular mounting block 86 is movably sleeved with a filter cover 810, and the elastic force of the return spring 89 serves to drive the round head clamping block 88 to move back.

[0033] The inner wall of the filter cover 810 is fixedly sleeved with a dustproof filter screen 811, the inner wall of the filter cover 810 is provided with symmetrically distributed circular positioning grooves 812, and the outer surface of the filter cover 810 is provided with symmetrically distributed handles, so that the filter cover 810 is conveniently rotated.

[0034] The inner wall of the circular positioning groove 812 is movably clamped with the other end of the round head clamping block 88, and the outer surface of the steel plate silo body 1 is provided with a ventilation window 9, so that the circular positioning groove 812 and the round head clamping block 88 are matched to serve to quickly position and install.

[0035] By rotating the ventilation device, the flowing wind is evenly blown on the grain in the steel plate silo body 1 through rotation, so that the ventilation efficiency of the grain in the local area in the steel plate silo body 1 is avoided, the storage quality of the grain is greatly improved, the dustproof filter screen 811 is conveniently disassembled and replaced through the quick release cooperation of the round head clamping block 88 and the circular positioning groove 812, and the air circulation effect in the steel plate silo body 1 is guaranteed.

[0036] The working process of the utility model is as follows:

[0037] Step one, start the blower 83 and the servo motor 81 to work, the blower 83 serves to convey external air through the dustproof filter screen 811 to the inside of the mounting cover body 2 through the air inlet pipe, then the air is guided into the rotating sleeve 3 through the baffle 8, and is blown out through the first air outlet hole 5, and part of the airflow is conveyed to the second air outlet hole 7 through the shunt pipe 6, so that the inside of the steel plate silo body 1 is ventilated and aerated;

[0038] Step two, at the same time, the servo motor 81 drives the meshed worm gear 4 to rotate through the worm 82, the rotation of the worm gear 4 drives the shunt pipe 6 to rotate through the rotating sleeve 3, the rotation of the shunt pipe 6 makes the second air outlet 7 blow the flowing air to each corner inside the steel plate warehouse body 1, thereby improving the ventilation uniformity inside the steel plate warehouse body 1;

[0039] Step three, when the ultrasonic flow meter 85 monitors that the airflow inside the air inlet pipe 84 is lower than the preset value, it indicates that the dust on the dustproof filter screen 811 is more, and the air circulation becomes slow, at this time, the PLC controller sends a signal to the operator's mobile phone, prompting the operator to disassemble and replace the filter cover 810;

[0040] Step four, when disassembling, the filter cover 810 is rotated through the handle, so that the round head of the round head clamping block 88 is extruded by the circular positioning groove 812, when the rotating force is greater than the elastic force of the reset spring 89, the reset spring 89 drives the round head clamping block 88 to shrink, at this time, the filter cover 810 can be disassembled by lifting it, when installing, the filter cover 810 is sleeved into the annular mounting block 86 and rotated, when the circular positioning groove 812 is communicated with the mounting groove 87, one end of the round head clamping block 88 is clamped into the circular positioning groove 812, at this time, the rotating resistance appears, and the installation is completed.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A top ventilation structure of a steel silo, comprising a steel silo body (1), characterized in that: The upper surface of the steel plate bin body (1) is fixedly connected with a mounting cover body (2), the upper surface of the steel plate bin body (1) is provided with a rotating sleeve (3) through a bearing, the outer surface of the rotating sleeve (3) is fixedly sleeved with a worm wheel (4), the lower end of the rotating sleeve (3) penetrates and extends into the steel plate bin body (1), the outer surface of the rotating sleeve (3) is provided with a first air outlet hole (5) arranged in an annular array, the outer surface of the rotating sleeve (3) is fixedly connected with a shunt pipe (6) arranged in an annular array, and the outer surface of the shunt pipe (6) is provided with a second air outlet hole (7) arranged in a linear array. The inside of the mounting cover body (2) is provided with a rotating ventilation device, and the rotating ventilation device comprises a current collector cover (8), and the outer surface of the current collector cover (8) is fixedly sleeved with the inner wall of the mounting cover body (2).

2. The roof ventilation structure of a steel silo according to claim 1, characterized in that: The lower end inner wall of the current collector cover (8) is mounted on the upper end outer surface of the rotating sleeve (3) through a sealing bearing, the upper surface of the steel plate bin body (1) is fixedly provided with a servo motor (81), and the output shaft of the servo motor (81) is fixedly provided with a worm (82) through a shaft coupling.

3. A roof ventilation structure for a steel silo as defined in claim 2, characterized in that: The outer surface of the worm (82) is engaged with the tooth surface of the worm wheel (4), the upper surface of the mounting cover body (2) is fixedly provided with a blower (83), and the upper surface of the mounting cover body (2) is fixedly connected with an air inlet pipe (84).

4. A top ventilation structure of a steel silo according to claim 3, characterized in that: The outer surface of the air inlet pipe (84) is provided with an ultrasonic flowmeter (85), the upper end outer surface of the air inlet pipe (84) is fixedly connected with an annular mounting block (86), and the outer surface of the annular mounting block (86) is provided with a mounting groove (87) arranged in a symmetrical manner.

5. A roof ventilation structure for a silo as defined in claim 4, characterized in that: The inner wall of the mounting groove (87) is movably sleeved with a round head clamping block (88), one side surface of the round head clamping block (88) is fixedly connected with a return spring (89), one end of the return spring (89) is fixedly connected with the inner wall of the mounting groove (87), and the outer surface of the annular mounting block (86) is movably sleeved with a filter cover (810).

6. A top ventilation structure of a steel silo according to claim 5, characterized in that: The inner wall of the filter cover (810) is fixedly sleeved with a dustproof filter screen (811), and the inner wall of the filter cover (810) is provided with a circular positioning groove (812) arranged in a symmetrical manner.

7. A top ventilation structure of a steel silo according to claim 6, characterized in that: The inner wall of the circular positioning groove (812) is movably clamped with the other end of the round head clamping block (88), and the outer surface of the steel plate bin body (1) is provided with a ventilation window (9).

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