CN220160190U - Exhaust system of crushing equipment - Google Patents

Abstract

The utility model relates to an exhaust system of crushing equipment, which has a simple structure, and two groups of air door valves, an air lock and a photoelectric switch are arranged on a pipeline penetrating through a wall body, when the indoor photoelectric switch senses that the indoor air door valves are not disassembled, the outdoor air lock is opened, the outdoor air door valves and the connected pipeline can be disassembled for cleaning, when the indoor photoelectric switch senses that the indoor air door valves are disassembled for cleaning, the outdoor air lock is closed, the outdoor air door valves cannot be disassembled, the two groups of air door valves on the pipeline penetrating through the wall body cannot be opened at the same time, so that the ventilation of a clean area and outdoor air is cut off, and the problem that the air in the clean area is polluted due to the communication of the air in the clean area and the outside air is effectively solved.

Description

Exhaust system of crushing equipment

Technical Field

The utility model relates to the technical field of equipment cleaning, in particular to an exhaust system of crushing equipment.

Background

In pharmaceutical enterprises, materials are often required to be crushed, in order to ensure the quality of medicines, the production of the medicines is required to be carried out in a clean area required by GMP, pollution and cross pollution in the production process of the medicines are avoided to the greatest extent, a large amount of dust is generated in the production process of the material crushing equipment, the dust can remain in the equipment, particularly fine materials are easy to remain on dead corners and inner walls of conveying pipelines of the equipment and are agglomerated, and the quality of the next batch of products can be influenced due to incomplete long-term cleaning.

At present, the pipeline of crushing apparatus runs through the wall body, and the setting is connected on the entrapment room in the clean district to pipeline one end, and the pipeline other end runs through the wall body and connects on the filter outside the clean district wall body, and when dismantling the pipeline and wash, clean district's air links to each other with outdoor air through the pipeline that runs through the wall body, and clean district is polluted, does not accord with the requirement of GMP, easily causes cross contamination to clean district.

In view of the above, there is a need for an exhaust system of a novel pulverizing apparatus, which can effectively solve the problem that clean zone air is polluted due to communication between clean zone air and outside air when cleaning a duct of the pulverizing apparatus.

Disclosure of Invention

In order to prevent the problem that clean area air is polluted due to the fact that clean area air is communicated with external air, the utility model provides an exhaust system of crushing equipment, the exhaust system of the crushing equipment is simple in structure, two groups of air door valves, air locks and photoelectric switches are arranged on a pipeline penetrating through a wall body, when the indoor photoelectric switches sense that the indoor air door valves are not detached, the outdoor air locks are opened, the outdoor air door valves and the connected pipeline can be detached for cleaning, when the indoor photoelectric switches sense that the indoor air door valves are detached for cleaning, the outdoor air locks are closed, the outdoor air door valves cannot be detached, the two groups of air door valves on the pipeline penetrating through the wall body cannot be simultaneously opened, and therefore the problem that clean area air is polluted due to the fact that the clean area air and the external air are communicated is effectively solved.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

an exhaust system of crushing equipment, crushing equipment's exhaust system includes loading hopper, feeder, crushing equipment, entrapment room, first conveyer pipe, second conveyer pipe, indoor air door valve, indoor airlock, indoor photoelectric switch, third conveyer pipe, outdoor photoelectric switch, outdoor airlock valve, fourth conveyer pipe, fifth conveyer pipe, filter and draught fan, the loading hopper sets up on the feeder, the feeder passes through the feeder and is connected with crushing equipment, the entrapment room is connected to the upper end of feeder, crushing equipment passes through the feeder and is connected with the entrapment room, the top of entrapment room is provided with first conveyer pipe, first conveyer pipe and second conveyer pipe, third conveyer pipe, fourth conveyer pipe, fifth conveyer pipe connect gradually, the third conveyer pipe runs through the wall body, indoor airlock valve, indoor airlock and indoor photoelectric switch are installed on the third conveyer pipe of indoor one end, outdoor airlock and outdoor airlock valve are installed on the third conveyer pipe of outdoor one end, fifth conveyer pipe is connected with the entrapment room, the filter is installed through the third conveyer pipe connection, the filter is installed to the third position on the indoor position, the filter is installed to the third position has the third position switch.

Further, the top of the trapping chamber is provided with a trapping bag, and the bottom of the trapping chamber is provided with a discharge hole.

Further, the crushing equipment is also provided with a compressed air inlet.

Further, a primary filter, a medium-efficiency filter and a high-efficiency filter are arranged in the filter.

Further, the induced draft fan also comprises an air pipe.

Further, the crushing equipment is an air flow crusher.

The utility model is characterized in that:

the utility model provides an exhaust system of crushing equipment, which is simple in structure, and two groups of air door valves, an air lock and a photoelectric switch are arranged on a pipeline penetrating through a wall body, when the indoor photoelectric switch senses that the indoor air door valves are not disassembled, the outdoor air lock is opened, the outdoor air door valves and the connected pipeline can be disassembled for cleaning, when the indoor photoelectric switch senses that the indoor air door valves are disassembled for cleaning, the outdoor air lock is closed, the outdoor air door valves cannot be disassembled, the two groups of air door valves on the pipeline penetrating through the wall body cannot be opened at the same time, so that the ventilation of a clean area and outdoor air is cut off, and the problem that the air in the clean area is polluted due to the communication of the air in the clean area and the outside air is effectively solved.

Drawings

FIG. 1 is a schematic diagram of an exhaust system of a pulverizing apparatus according to the present utility model

FIG. 2 is a circuit diagram of an exhaust system of a crushing plant according to the present utility model

Wherein, the reference numerals are as follows: 1-loading hopper, 2-feeder, 3-crushing equipment, 31-feeding pipe, 32-feeding pipe, 4-collecting chamber, 41-collecting bag, 42-discharge port, 5-first conveying pipe, 6-second conveying pipe, 7-indoor air door valve, 71-first position switch, 72-second position switch, 8-indoor air lock, 9-indoor photoelectric switch, 10-third conveying pipe, 11-wall body, 12-outdoor photoelectric switch, 13-outdoor air lock, 14-outdoor air door valve, 141-third position switch, 142-fourth position switch, 15-fourth conveying pipe, 16-fifth conveying pipe, 17-filter, 171-primary filter, 172-secondary filter, 173-high-efficiency filter, 18-induced draft fan, 181-air pipe, 19-buzzer.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the structural schematic diagram of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, an exhaust system of a crushing apparatus comprises a hopper 1, a feeder 2, a crushing apparatus 3, a collecting chamber 4, a first conveying pipe 5, a second conveying pipe 6, an indoor air door valve 7, an indoor air lock 8, an indoor photoelectric switch 9, a third conveying pipe 10, an outdoor photoelectric switch 12, an outdoor air lock 13, an outdoor air door valve 14, a fourth conveying pipe 15, a fifth conveying pipe 16, a filter 17 and an induced draft fan 18, wherein the feeder 1 is used for adding materials to be crushed into the crushing apparatus, the feeder 2 is used for conveying the materials to be crushed into the crushing apparatus, the crushing apparatus 3 is used for crushing the materials, the collecting chamber 4 is used for collecting and storing the crushed materials, the first conveying pipe 5, the second conveying pipe 6, the third conveying pipe 10, the fourth conveying pipe 15 and the fifth conveying pipe 16 are used for conveying fine dust, the indoor air door valve 7 and the outdoor air door valve 14 function to prevent the clean room from being connected with the outside air and to prevent the clean room from being polluted when cleaning the pipe or the equipment, the indoor air lock 8 is used to lock the indoor air door valve 7, the outdoor air lock 13 is used to lock the outdoor air door valve 14, once the air lock locks the air door valve, the air door valve cannot perform the disassembly cleaning operation, the indoor photoelectric switch 9 is used to sense the existence of the indoor air door valve 7, the outdoor photoelectric switch 12 is used to sense the existence of the outdoor air door valve 14, when the indoor photoelectric switch 9 cannot sense the existence of the indoor air door valve 7, i.e. the indoor air door valve 7 has been disassembled and cleaned, the outdoor air lock 13 locks the outdoor air door valve 14, the outdoor air door valve 14 cannot be disassembled and cleaned, the outdoor end of the third conveying pipe 10 penetrating the wall 11 is closed, after the indoor air door valve 7 is prevented from being disassembled and cleaned, the air in the clean room is communicated with the outside, the air polluting the clean room, when the indoor photoelectric switch 9 can sense the existence of the indoor air door valve 7, the outdoor air lock 13 is opened, the outdoor air door valve 14 can be used for disassembling and cleaning, the indoor end of the third conveying pipe 10 penetrating the wall 11 is closed to prevent the air in the clean room from being communicated with the outside after the outdoor air door valve 14 is disassembled and cleaned, the air polluting the clean room is filtered by the filter 17, the air is led to the outside by the induced draft fan 18 to reduce the pollutant in the discharged air, the induced draft fan 18 introduces crushed materials into the collecting room 4 from the crushing equipment to collect, the charging hopper 1 is arranged on the feeder 2, the feeder 2 is connected with the crushing equipment 3 through the middle end of the feeding pipe 31, the upper end of the feeding pipe 31 has a bent included angle, the upper end of the feeding pipe 31 is connected with the collecting chamber 4, the lower end of the feeding pipe 31 stretches into the crushing equipment 3, the crushing equipment 3 is connected with the collecting chamber 4 through the feeding pipe 32, the top of the collecting chamber 4 is provided with a first conveying pipe 5, the first conveying pipe 5, a second conveying pipe 6, a third conveying pipe 10, a fourth conveying pipe 15 and a fifth conveying pipe 16 are sequentially and detachably connected, the cleaning is convenient to detach and clean, the first conveying pipe 5 is convenient to clean, the first conveying pipe 5, the second conveying pipe 6, the third conveying pipe 10, the fourth conveying pipe 15 and the fifth conveying pipe 16 can be connected through a clamp, a buckle or a flange, the third conveying pipe 10 penetrates through the wall 11, one end of the third conveying pipe 10 is connected with the second conveying pipe 6 positioned in a clean area, the other end of the third conveying pipe 10 is connected with the fourth conveying pipe 15 positioned outside the clean area, and the indoor air door valve 7 is convenient to detach and clean, the indoor air lock 8 and the indoor photoelectric switch 9 are arranged on a third conveying pipe 10 at one indoor end, the outdoor photoelectric switch 12, the outdoor air lock 13 and the outdoor air door valve 14 are arranged on the third conveying pipe 10 at one outdoor end, the fifth conveying pipe 16 is connected with a filter 17, the filter 17 is connected with a draught fan 18 through a pipeline, a first position switch 71 and a second position switch 72 are arranged on the indoor air door valve 7, a third position switch 141 and a fourth position switch 142 are arranged on the outdoor air door valve 14, the position switches are used for limiting the position or the stroke of mechanical movement, the first position switch 71 is used for limiting the position of the indoor air door valve 7 in an open position, the fourth position switch 142 is used for limiting the position of the outdoor air door valve 14 in an open position, the second position switch 72 is used for limiting the position of the indoor air door valve 7 in a closed position, and the third position switch 141 is used for limiting the position of the outdoor air door valve 14 in a closed position.

The top of entrapment room 4 is provided with entrapment bag 41, prevents that the material after smashing from being carried into first conveyer pipe 5 in, carries outdoor air through the conveyer pipe, the bottom of entrapment room 4 is provided with discharge gate 42, and the material of collecting in the entrapment room 4 is discharged through discharge gate 42, still be provided with compressed air inlet on the crushing apparatus 3, be provided with primary filter 171, middle-effect filter 172 and high-efficiency filter 173 in the filter 17, can effectively filter the dust in the air, induced draft fan 18 still includes tuber pipe 181, and the gas after the filtration is discharged outdoor from tuber pipe 181, crushing apparatus 3 is the jet mill.

The specific working procedure is as follows:

the first conveying pipe 5, the second conveying pipe 6, the third conveying pipe 10, the fourth conveying pipe 15 and the fifth conveying pipe 16 are sequentially connected, the indoor air door valve 7 and the outdoor air door valve 14 are normally closed, a power switch of the crushing equipment 3 is started, as shown in fig. 2, a switch SB2 of an induced draft fan 18 is closed, a switch SBG of the induced draft fan is closed, the indoor air door valve 7 and a coil KM1 of the outdoor air door valve 14 are powered on, meanwhile, a time relay KT1 is powered on to start timing, and in a set time, if the indoor air door valve 7 and the outdoor air door valve 14 do not reach a specified position, a delay closing switch SKT1 is closed, a buzzer 19 is powered on, and an alarm prompt is given; in the set time, if the indoor throttle valve 7 and the outdoor throttle valve 14 reach the specified positions, that is, the indoor throttle valve 7 and the outdoor throttle valve 14 are opened, the second position switch 72, that is, SB3 in the circuit diagram, and the third position switch 141, that is, SB4 in the circuit diagram, under the action of the valves, SB3 and SB4 are closed, the KM2 coil is powered on, the induced draft fan is started, the material enters the feeder 2 from the hopper 1, the material falls into the crushing device 3 under the action of gravity to be crushed, the crushed material enters the collecting chamber 4 through the feeding pipe 31 under the action of the induced draft fan 18, the dust is intercepted by the collecting bag 41 passing through the top of the collecting chamber 4, the smaller dust enters the first and second conveying pipes 5 and 6, the third conveying pipe 10, the fourth conveying pipe 15, the fifth conveying pipe 16 once, is filtered in the filter 17, and the air is discharged from the air pipe 181.

When the machine is required to be stopped, the SB2 switch is disconnected, the induced draft fan switch SBG is closed, the induced draft fan is stopped, meanwhile, the coil of the time relay KT2 is powered on, timing is started, if the indoor air door valve 7 and the outdoor air door valve 14 do not reach the designated positions in the set time, the delay closing switch KT2 is closed, the buzzer 19 is powered on, and an alarm is given; during the set time, if the indoor damper valve 7 and the outdoor damper valve 14 reach the specified positions, i.e., the indoor damper valve 7 and the outdoor damper valve 14 are closed, the first position switch 71, i.e., SB6 in the circuit diagram, and the fourth position switch 142, i.e., SB5 in the circuit diagram, are opened by the valves, SB5, SB 6.

After stopping, if cleaning the conveying pipe is needed, cleaning the indoor pipeline, rotating a gear switch SBT-B, closing the switch SBT-B, opening the switch SBT-A, turning the outdoor air lock KM4 to be in a non-energized state, locking the outdoor air door valve 14, disabling the cleaning, closing the outdoor photoelectric switch SB12, enabling the coils KT4 and KM5 to be powered on, opening the switch KM5 from a normally closed state, enabling the buzzer 19 to be powered on, starting an alarm prompt, opening the indoor air lock KM6 from a normally locked state, enabling the indoor air door valve 7 to be detached for cleaning, enabling all components to be installed after cleaning, rotating the rotary gear switch SBT to be in an SBT-A gear position, closing the SBT-A, opening the SBT-B, disabling the indoor air lock KM6, resetting the indoor air lock KM6 for locking, enabling the coils KT3 and KM3 to be powered on, enabling the switch KM3 to be powered off from a normally closed state, enabling the buzzer 19 to be powered off, enabling the buzzer 19 to be powered on, starting the alarm prompt, enabling the alarm switch KM4 to be powered on, enabling the switch KM3 to be in a normally closed state, enabling the switch to be in a normally closed state, and enabling the switch to be in a state after cleaning state, and enabling the indoor air door valve to be in a state to be completely opened, and enabling the rotary gear switch to be in a state to be completely opened after cleaning state, and enabling the outdoor air door to be opened to be in a state to be completely opened.

According to the process, two groups of air door valves on the pipeline penetrating through the wall body can be guaranteed not to be opened simultaneously, so that air circulation between the clean area and the outside is cut off, and the problem that air in the clean area is polluted due to the fact that air in the clean area is communicated with outside air is effectively solved.

To sum up, this crushing apparatus's exhaust system simple structure through installing two sets of air door valves, airlock and photoelectric switch on the pipeline that runs through the wall body, when indoor photoelectric switch induced indoor air door valve and did not dismantle, outdoor airlock was opened, can dismantle outdoor air door valve and pipeline of connection and wash, when indoor photoelectric switch induced indoor air door valve and had dismantled the washing, outdoor airlock was closed, can not dismantle outdoor air door valve, guarantee that two sets of air door valves on the pipeline that runs through the wall body can not open simultaneously to cut off clean district and outdoor air circulation, thereby effectively solve clean district air and external air intercommunication and make clean district air contaminated problem.

It should be noted that the above description is only a preferred embodiment of the present utility model, and it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiment, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (6)

1. The utility model provides an exhaust system of crushing apparatus, a serial communication port, crushing apparatus's exhaust system includes loading hopper (1), feeder (2), crushing apparatus (3), entrapment room (4), first conveyer pipe (5), second conveyer pipe (6), indoor air door valve (7), indoor airlock (8), indoor photoelectric switch (9), third conveyer pipe (10), outdoor photoelectric switch (12), outdoor airlock (13), outdoor air door valve (14), fourth conveyer pipe (15), fifth conveyer pipe (16), filter (17) and draught fan (18), loading hopper (1) set up on feeder (2), feeder (2) are connected with crushing apparatus (3) through feeder pipe (31), entrapment room (4) are connected to the upper end of feeder pipe (31), crushing apparatus (3) are connected with entrapment room (4) through conveyer pipe (32), the top of entrapment room (4) is provided with first conveyer pipe (5), first conveyer pipe (5) and second conveyer pipe (6), third conveyer pipe (10), fourth conveyer pipe (16), fifth conveyer pipe (16), third conveyer pipe (11) are connected in proper order, third conveyer pipe (10) are run through in proper order to the wall body (11) The indoor air lock (8) and the indoor photoelectric switch (9) are installed on a third conveying pipe (10) at one indoor end, the outdoor photoelectric switch (12), the outdoor air lock (13) and the outdoor air door valve (14) are installed on the third conveying pipe (10) at one outdoor end, the fifth conveying pipe (16) is connected with the filter (17), the filter (17) is connected with the induced draft fan (18) through a pipeline, the indoor air door valve (7) is provided with a first position switch (71) and a second position switch (72), and the outdoor air door valve (14) is provided with a third position switch (141) and a fourth position switch (142).

2. An exhaust system of a crushing plant according to claim 1, characterized in that the top of the collecting chamber (4) is provided with a collecting bag (41), and the bottom of the collecting chamber (4) is provided with a discharge opening (42).

3. An exhaust system of a comminution plant according to claim 1, characterized in that the comminution plant (3) is further provided with a compressed air inlet.

4. The exhaust system of a crushing plant according to claim 1, characterized in that a primary filter (171), a medium efficiency filter (172) and a high efficiency filter (173) are arranged in the filter (17).

5. The exhaust system of a crushing plant according to claim 1, characterized in that the induced draft fan (18) further comprises an air duct (181).

6. An exhaust system of a comminution apparatus according to claim 1, characterized in that the comminution apparatus (3) is a jet mill.