Aluminum phosphide crushing device

Abstract

The utility model relates to an aluminum phosphide crushing device, and belongs to the technical field of aluminum phosphide processing. Comprising a smashing main machine with a feeding opening and a finished product outlet, a buried air return opening is formed in the ground supported by the smashing main machine and connected with a cyclone separator through a first pipeline, and the cyclone separator is connected with a cloth bag separator through a second pipeline; the other end of the dry air supply pipeline A is connected with a hood top air inlet in the air distribution hood, drooping dust collection soft curtains are installed on the periphery of the air distribution hood, the smashing main machine is located in a space defined by the dust collection soft curtains, and the air distribution hood is installed above the smashing main machine. And a first dehumidifier and a first circulating fan are mounted on the dry air supply pipeline A. The aluminum phosphide crushing device has the following beneficial effects that the consequence that the aluminum phosphide absorbs moisture in air and releases hydrogen phosphide gas due to the fact that damp air is mixed into the aluminum phosphide when the aluminum phosphide is crushed is avoided as much as possible, and the occurrence rate of aluminum phosphide poisoning events is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of aluminium phosphide crushing devices, belong to aluminium phosphide processing technical field. BACKGROUND

[0002] Aluminium phosphide is made by burning red phosphorus and aluminum powder. Aluminium phosphide is a widely used fumigant for farmers to store grain. It can absorb moisture in the air under humid conditions, thereby releasing phosphine gas, which decomposes to release highly toxic phosphine gas and plays a role in killing insects.

[0003] In the production process of aluminium phosphide, the lumpy coagulation is large, and the aluminium phosphide needs to be broken. For example, the patent with publication number 201921557904.9 discloses a phosphorus aluminum reaction solid block crushing mechanism, which includes a crushing tank, four legs and a base. The four legs are evenly welded to the outer wall of the bottom of the crushing tank, and the base is welded to the bottom of the four legs. The inside of the crushing tank is provided with a screen. The top of the crushing tank is provided with a lid, and the top of the lid is fixedly connected with a motor. The output end of the motor is connected with a grinding tool through a spline transmission. When the utility model is used, the crushed aluminium phosphide falls into the collection box through the screen, and the collection of aluminium phosphide in the crushing tank is completed.

[0004] The current technology does not consider comprehensively, and has the following disadvantages: when aluminium phosphide is crushed, it will mix with humid air, and the aluminium phosphide will absorb moisture in the air, thereby releasing phosphine gas, which will cause poisoning of aluminium phosphide.

[0005] To solve one of the above problems, an aluminium phosphide crushing device is urgently needed. INVENTION CONTENTS

[0006] According to the above deficiencies in the prior art, the technical problem to be solved by the utility model is: how to manufacture dry air by the first dehumidifier, and output the dry gas after dehumidification to the upper part of the crushing host, to ensure that the humidity in the space surrounded by the air distribution cover and the dust collection soft curtain is at a normal level, and to avoid the mixing of humid air during the crushing of aluminium phosphide as much as possible. Therefore, an aluminium phosphide crushing device is provided.

[0007] The utility model discloses an aluminium phosphide crushing device, including having the feeding port and finished product export's crushing host, its characterized in that: the ground of crushing host support is provided with the ground buried air return, the ground buried air return is connected after cyclone separator through first pipeline, the cyclone separator is connected after bag filter through second pipeline, the bag filter is connected with the air inlet of external exhaust fan through third pipeline, the air outlet of external exhaust fan is installed with fourth pipeline, the fourth pipeline is installed with connecting tee A, the bypass interface of connecting tee A is installed with dry air supply pipeline A, the other end of dry air supply pipeline A is connected with the cover top air inlet of cloth air hood, the periphery of cloth air hood is installed with the dust collection soft curtain that hangs down, the crushing host is in the space that dust collection soft curtain surrounds, the cloth air hood is installed in the upper of crushing host, dry air supply pipeline A is installed with first dehumidifier and first circulating fan.

[0008] The utility model discloses an aluminium phosphide crushing device, including having the feeding port and finished product export's crushing host, its characterized in that: the ground of crushing host support is provided with the ground buried air return, the ground buried air return is connected after cyclone separator through first pipeline, the cyclone separator is connected after bag filter through second pipeline, the bag filter is connected with the air inlet of external exhaust fan through third pipeline, the air outlet of external exhaust fan is installed with fourth pipeline, the fourth pipeline is installed with connecting tee A, the bypass interface of connecting tee A is installed with dry air supply pipeline A, the other end of dry air supply pipeline A is connected with the cover top air inlet of cloth air hood, the periphery of cloth air hood is installed with the dust collection soft curtain that hangs down, the crushing host is in the space that dust collection soft curtain surrounds, the cloth air hood is installed in the upper of crushing host, dry air supply pipeline A is installed with first dehumidifier and first circulating fan.

[0009] The utility model discloses an aluminium phosphide crushing device, including having the feeding port and finished product export's crushing host, its characterized in that: the ground of crushing host support is provided with the ground buried air return, the ground buried air return is connected after cyclone separator through first pipeline, the cyclone separator is connected after bag filter through second pipeline, the bag filter is connected with the air inlet of external exhaust fan through third pipeline, the air outlet of external exhaust fan is installed with fourth pipeline, the fourth pipeline is installed with connecting tee A, the bypass interface of connecting tee A is installed with dry air supply pipeline A, the other end of dry air supply pipeline A is connected with the cover top air inlet of cloth air hood, the periphery of cloth air hood is installed with the dust collection soft curtain that hangs down, the crushing host is in the space that dust collection soft curtain surrounds, the cloth air hood is installed in the upper of crushing host, dry air supply pipeline A is installed with first dehumidifier and first circulating fan.

[0010] The utility model discloses an aluminium phosphide crushing device, including having the feeding port and finished product export's crushing host, its characterized in that: the ground of crushing host support is provided with the ground buried air return, the ground buried air return is connected after cyclone separator through first pipeline, the cyclone separator is connected after bag filter through second pipeline, the bag filter is connected with the air inlet of external exhaust fan through third pipeline, the air outlet of external exhaust fan is installed with fourth pipeline, the fourth pipeline is installed with connecting tee A, the bypass interface of connecting tee A is installed with dry air supply pipeline A, the other end of dry air supply pipeline A is connected with the cover top air inlet of cloth air hood, the periphery of cloth air hood is installed with the dust collection soft curtain that hangs down, the crushing host is in the space that dust collection soft curtain surrounds, the cloth air hood is installed in the upper of crushing host, dry air supply pipeline A is installed with first dehumidifier and first circulating fan.

[0011] Preferably, the first dehumidifier is a pipeline type rotary dehumidifier.

[0012] Preferably, the material of the cloth air hood is stainless steel, and it is hoisted in the factory building by a steel wire rope sling.

[0013] Preferably, the dry air supply pipeline B connected with the top air inlet of the air distribution hood is further included, a second dehumidifier, a second circulating fan and a one-way valve are sequentially installed on the dry air supply pipeline B, and the ventilation capacity of the first circulating fan and the second circulating fan is greater than the exhaust capacity of the exhaust fan. In the state that the first dehumidifier is normally opened, and the humidity around the crushing main machine exceeds the preset humidity, the second dehumidifier and the second circulating fan need to be opened, the first circulating fan and the second circulating fan supply air to the air distribution hood, the ventilation capacity of the first circulating fan and the second circulating fan is greater than the exhaust capacity of the exhaust fan, so that the air in the air distribution hood maintains a certain positive pressure, and the air in the air distribution hood flows out of the space surrounded by the dust collecting soft curtain through the gap on the dust collecting soft curtain, so that the humidity in the air distribution hood is prevented from being affected by the humid air outside. At this time, measures should be taken in time to reduce the humidity in the workshop outside the dust collecting soft curtain, and when the humidity in the workshop returns to normal, the second dehumidifier and the second circulating fan can be closed, and the space in the dust collecting soft curtain returns to a negative pressure state.

[0014] Preferably, the humidity sensor is electrically connected with the controller on the air distribution hood, and the second dehumidifier and the second circulating fan are electrically connected with the signal output end of the controller, so that the second dehumidifier and the second circulating fan can be automatically controlled to be opened by the controller when the humidity sensor detects that the humidity is higher than the preset value.

[0015] Preferably, the dust collecting soft curtain is arranged in a ring shape along the bottom outer edge of the air distribution hood.

[0016] Preferably, an air inlet pre-filter is installed at the air inlet of the second dehumidifier.

[0017] Preferably, the controller is a PLC programmable controller.

[0018] Compared with the prior art, the phosphor bronze crushing device has the following beneficial effects:

[0019] The phosphor bronze crushing device can manufacture dry air through the first dehumidifier when the crushing main machine, the exhaust fan, the first dehumidifier and the first circulating fan are opened, and can output the dry gas after dehumidification to the upper side of the crushing main machine, so that the humidity in the space surrounded by the air distribution hood and the dust collecting soft curtain is kept at a normal level, and the phosphor bronze is prevented from being mixed with humid air during crushing, so that the phosphor bronze absorbs water in the air, and hydrogen phosphide gas is released, thereby effectively reducing the occurrence rate of phosphor bronze poisoning events.

[0020] The aluminum phosphide pulverizing device of this utility model, with its air distribution hood and dust collection curtain, restricts the diffusion of dust to a very small enclosed space when the pulverizing host pulverizes solid aluminum phosphide. The air volume of the first circulating fan is less than that of the exhaust fan, maintaining a certain negative pressure inside the hood. This allows air from outside the hood to flow into the space enclosed by the dust collection curtain through the gaps in the curtain, thus preventing pollutants from escaping.

[0021] When the aluminum phosphide pulverizing device of this utility model is in normal working condition and the humidity around the pulverizing host exceeds the preset humidity, the second dehumidifier and the second circulating fan need to be turned on. The first circulating fan and the second circulating fan supply air to the air distribution hood together. The combined ventilation volume of the first circulating fan and the second circulating fan is greater than the exhaust volume of the exhaust fan, so that a certain positive pressure is maintained inside the hood, allowing the air inside the hood to flow out of the space enclosed by the dust collection curtain through the gaps on the dust collection curtain, thus preventing the humidity inside the hood from being affected by the outside humid air. Attached Figure Description

[0022] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0023] Figure 1 This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 This is the wiring diagram for the humidity sensor of this utility model;

[0025] In the diagram: 1. Crusher 2. Feeding port 3. Finished product outlet 4. Cyclone separator 5. Bag separator 6. Exhaust fan 7. First dehumidifier 8. Dry air supply pipe A 9. Air hood 10. Connecting tee A 11. Wire rope hoist 12. Second dehumidifier 13. First circulating fan 14. Second circulating fan 15. One-way valve 16. Dust collection curtain 17. Dry air supply pipe B 18. Top air inlet 19. Humidity sensor 20. Controller 21. Buried return air outlet Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings: The present invention will be further described below through specific embodiments, but it is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

[0027] Example 1, asFigure 1 As shown, the aluminum phosphide pulverizing device includes a pulverizing host 1 with a feed inlet 2 and a finished product outlet 3. A buried return air inlet 21 is installed on the ground supporting the pulverizing host 1. The buried return air inlet 21 is connected to a cyclone separator 4 via a first pipe. The cyclone separator 4 is connected to a bag filter 5 via a second pipe. The bag filter 5 is connected to the air inlet of an exhaust fan 6 via a third pipe. A fourth pipe is installed on the air outlet of the exhaust fan 6, and a fourth pipe is installed on the fourth pipe. A connecting tee A10 is provided, and a dry air supply pipe A8 is installed at the bypass interface of the connecting tee A10. The other end of the dry air supply pipe A8 is connected to the air inlet 18 on the top of the air distribution hood 9. A hanging dust collection curtain 16 is installed around the air distribution hood 9. The pulverizing host 1 is located in the space enclosed by the dust collection curtain 16. The air distribution hood 9 is installed above the pulverizing host 1. A first dehumidifier 7 and a first circulating fan 13 are installed on the dry air supply pipe A8.

[0028] With the pulverizer 1, exhaust fan 6, first dehumidifier 7, and first circulating fan 13 turned on, when the pulverizer 1 pulverizes solid aluminum phosphide, the first dehumidifier 7 can generate dry air and output the dehumidified dry gas above the pulverizer 1. This ensures that the humidity in the space enclosed by the air distribution hood 9 and the dust collection curtain 16 is at a normal level, minimizing the risk of aluminum phosphide absorbing moisture from the air and releasing phosphine gas during pulverization. This effectively reduces the incidence of aluminum phosphide poisoning.

[0029] Example 2, as Figures 1-2 As shown, the aluminum phosphide pulverizing device includes a pulverizing host 1 with a feed inlet 2 and a finished product outlet 3. A buried return air inlet 21 is installed on the ground supporting the pulverizing host 1. The buried return air inlet 21 is connected to a cyclone separator 4 via a first pipe. The cyclone separator 4 is connected to a bag filter 5 via a second pipe. The bag filter 5 is connected to the air inlet of an exhaust fan 6 via a third pipe. A fourth pipe is installed on the air outlet of the exhaust fan 6, and a fourth pipe is installed on the fourth pipe. A connecting tee A10 is provided, and a dry air supply pipe A8 is installed at the bypass interface of the connecting tee A10. The other end of the dry air supply pipe A8 is connected to the air inlet 18 on the top of the air distribution hood 9. A hanging dust collection curtain 16 is installed around the air distribution hood 9. The pulverizing host 1 is located in the space enclosed by the dust collection curtain 16. The air distribution hood 9 is installed above the pulverizing host 1. A first dehumidifier 7 and a first circulating fan 13 are installed on the dry air supply pipe A8.

[0030] The air distribution cover 9 and the dust collecting soft curtain 16 are arranged so that when the solid aluminum phosphide is crushed by the crushing main machine 1, the diffusion of dust is limited in a small closed space, the air volume of the first circulating fan 13 is smaller than that of the exhaust fan 6, a certain negative pressure is maintained in the cover, the air outside the cover flows into the space surrounded by the dust collecting soft curtain 16 through the gaps in the dust collecting soft curtain 16, and the purpose of preventing the escape of pollutants is achieved.

[0031] After the exhaust fan 6 is started, the air distribution cover 9 supplies air and the air is returned through the buried air return port 21, and the first dehumidifier 7 is connected to the air outlet position of the exhaust fan 6 through the dry air supply pipeline A8, which has the advantages that the dry air is circulated, the exhaust volume is minimized, the control effect is best, and the interference of the horizontal air flow in the workshop is avoided.

[0032] Further, the first dehumidifier 7 is a pipeline type rotary dehumidifier.

[0033] Further, the air distribution cover 9 is made of stainless steel and is hoisted in the workshop by the steel wire rope hoist 11.

[0034] Further, the dry air supply pipeline B17 connected to the cover top air inlet 18 is further provided, the second dehumidifier 12, the second circulating fan 14 and the one-way valve 15 are sequentially installed on the dry air supply pipeline B17, and the total ventilation volume of the first circulating fan 13 and the second circulating fan 14 is greater than the exhaust volume of the exhaust fan 6. In the state that the first dehumidifier 7 is normally started and the humidity around the crushing main machine 1 exceeds the preset humidity, the second dehumidifier 12 and the second circulating fan 14 need to be started, the first circulating fan 13 and the second circulating fan 14 supply air to the air distribution cover 9, the total ventilation volume of the first circulating fan 13 and the second circulating fan 14 is greater than the exhaust volume of the exhaust fan 6, a certain positive pressure is maintained in the cover, the air in the cover flows out of the space surrounded by the dust collecting soft curtain 16 through the gaps in the dust collecting soft curtain 16, and the influence of the external humid air on the humidity in the cover is avoided. At this time, measures should be taken in time to reduce the humidity in the workshop outside the dust collecting soft curtain 16, and when the humidity in the workshop returns to normal, the second dehumidifier 12 and the second circulating fan 14 can be closed to restore the negative pressure state in the space surrounded by the dust collecting soft curtain 16.

[0035] Further, the humidity sensor 19 is installed on the crushing main machine 1, the humidity sensor 19 is electrically connected to the controller 20 on the air distribution cover 9, and the second dehumidifier 12 and the second circulating fan 14 are electrically connected to the signal output end of the controller 20. When the humidity sensor 19 detects that the humidity is higher than the preset value, the second dehumidifier 12 and the second circulating fan 14 can be automatically controlled to be started by the controller 20.

[0036] Further, the dust collecting soft curtain 16 is arranged along the outer edge of the bottom of the air distribution cover 9.

[0037] Further, the second dehumidifier 12 is provided with an air inlet pre-filter 22.

[0038] Further, the controller 20 is a PLC programmable controller. In the embodiment, the improvement of the prior art is in the hardware part, and the computer program involved is a simple program, and the functions of the humidity sensor and the PLC programmable controller are only a simple use of the functions, and the improvement of the method program is not involved.

[0039] The phosphorized aluminum crushing device, under the state that the crushing main machine, the exhaust fan, the first dehumidifier and the first circulating fan are turned on, when the solid phosphorized aluminum is crushed by the crushing main machine, dry air can be manufactured by the first dehumidifier, and the dry gas after dehumidification can be output to the upper side of the crushing main machine, so that the humidity in the space surrounded by the air distribution cover and the dust collection soft curtain is kept at a normal level, and the phosphorized aluminum is prevented from being mixed with humid air during crushing, so that the phosphorized aluminum absorbs water in the air, and hydrogen phosphide gas is released, and the occurrence rate of phosphorized aluminum poisoning is reduced.

[0040] The phosphorized aluminum crushing device, the air distribution cover and the dust collection soft curtain are arranged, so that when the solid phosphorized aluminum is crushed by the crushing main machine, the diffusion of dust is limited in a small closed space, the air volume of the first circulating fan is less than that of the exhaust fan, the inside of the cover is kept at a certain negative pressure, air outside the cover flows into the space surrounded by the dust collection soft curtain through the gaps in the dust collection soft curtain, and the purpose of preventing the escape of pollutants is achieved.

[0041] The phosphorized aluminum crushing device, under the state that the first dehumidifier is normally turned on, and the humidity around the crushing main machine exceeds the preset humidity, the second dehumidifier and the second circulating fan need to be turned on, the first circulating fan and the second circulating fan supply air to the air distribution cover, the total air volume of the first circulating fan and the second circulating fan is greater than the exhaust volume of the exhaust fan, the inside of the cover is kept at a certain positive pressure, air in the cover flows out of the space surrounded by the dust collection soft curtain through the gaps in the dust collection soft curtain, and the influence of external humid air on the humidity in the cover is avoided.

[0042] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

[0043] The parts not described in detail in the present application are well-known to those skilled in the art.

Claims

1. An apparatus for pulverizing aluminum phosphide comprising a pulverizing main machine having a feeding port and a finished product outlet, characterized in that: The ground on which the pulverizing main machine is supported is provided with a buried air return inlet, the buried air return inlet is connected with a cyclone separator through a first pipeline, the cyclone separator is connected with a bag-type separator through a second pipeline, the bag-type separator is connected with an air inlet of an external exhaust fan through a third pipeline, a fourth pipeline is installed on an air outlet of the external exhaust fan, a connecting tee A is installed on the fourth pipeline, a dry air supply pipeline A is installed on a bypass interface of the connecting tee A, the other end of the dry air supply pipeline A is connected with a cover top air inlet of a cloth air cover, a dust collecting soft curtain is installed around the cloth air cover, the pulverizing main machine is located in a space surrounded by the dust collecting soft curtain, the cloth air cover is installed above the pulverizing main machine, and a first dehumidifier and a first circulating fan are installed on the dry air supply pipeline A.

2. The apparatus for pulverizing aluminum phosphide according to claim 1, wherein The first dehumidifier is a pipeline type rotary dehumidifier.

3. The aluminum phosphide pulverizing device according to claim 1, characterized in that, The cloth air cover is made of stainless steel and is hoisted in a factory building by a steel wire rope sling.

4. The apparatus of claim 3, wherein the apparatus further comprises a second conveyor belt. A dry air supply pipeline B connected with the cover top air inlet is further included, a second dehumidifier, a second circulating fan and a one-way valve are sequentially installed on the dry air supply pipeline B, and the ventilation capacity of the first circulating fan and the second circulating fan is greater than the exhaust capacity of the external exhaust fan.

5. The apparatus of claim 4, wherein the apparatus further comprises a second air jet positioned to direct a second air stream at the aluminum phosphide particles. A humidity sensor is installed on the pulverizing main machine, the humidity sensor is electrically connected with a controller on the cloth air cover, and the second dehumidifier and the second circulating fan are electrically connected with a signal output end of the controller, so that the second dehumidifier and the second circulating fan can be automatically controlled to be turned on by the controller when the humidity sensor detects that the humidity is higher than a preset value.

6. The apparatus of claim 5, wherein the apparatus further comprises a second air jet positioned to direct a second air stream at the aluminum phosphide particles. The dust collecting soft curtain is arranged in a ring shape along the bottom outer edge of the cloth air cover.

7. The apparatus of claim 6, wherein the apparatus further comprises a second air jet positioned to direct a second air stream at the aluminum phosphide particles. An air inlet pre-filter is installed at an air inlet of the second dehumidifier.

8. The apparatus of claim 7, wherein the apparatus further comprises a second air jet positioned to direct a second air stream at the aluminum phosphide particles. The controller is a PLC programmable controller.

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