CN209405880U - A kind of dust-filtering purification device - Google Patents

Abstract

The utility model provides a kind of dust-filtering purification device, comprising: at least one suction inlet, dust connector, at least two bag filters, at least two active carbon adsorbers, frequency converter and blower；Under the action of blower, the dust raised outside enters bag filter by suction inlet and filters dust, then carries out deodorization by active carbon haustorium；The case where dust is seriously raised outside is prevented, filtered dust is reused, and the loss of sub-material is reduced；It will be discharged into after the air filtration polluted by odorous powder in the air, protect environment.

Description

A kind of dust-filtering purification device

Technical field

The utility model relates to field of environment protection more particularly to a kind of dust-filtering purification devices.

Background technique

In suspending agent, water dispersible granules production process, worker first by raw material weighing it is accurate after carry out the operation that feeds intake.It throws A large amount of dust can be generated during material.Dust is generally caused by two aspects: it is generated when on the one hand feeding intake by feeding port top, it is another It is conveniently to be in barotropic state, instantaneously become larger in the internal pressure of reaction kettle in a flash to feed intake, only because of reaction kettle inner sealing It is sprayed from feeding port, causes flying dust.The latter is that dust generates main cause.When material specific gravity is lighter, dust pollution is more Obviously.When there are will also result in serious air pollution when larger smell for material.Loss of material is not only caused, it is more strong to human body Health, operating environment cause biggish pollution.

Summary of the invention

In order to overcome the deficiencies in the prior art described above, the utility model provides a kind of dust-filtering purification device, comprising: At least one suction inlet, dust connector, at least two bag filters, at least two active carbon adsorbers, frequency converter and wind Machine；

Suction inlet connects dust connector entering-dust mouth by dust suction branch pipe, and dust connector dust mouth passes through the first dust suction master Pipe is connected to each bag-type dust branch pipe, and the air inlet of each bag-type dust branch pipe and each bag filter, which corresponds, to be connected It connects；

The gas outlet of each bag filter passes through bag-type dust branch pipe respectively and the second dust suction supervisor connects, the second dust suction Supervisor is connected one to one by activated carbon adsorption branch pipe and active carbon adsorber air inlet；

Each active carbon adsorber gas outlet is connected to by activated carbon adsorption branch pipe with blower；Blower is electrically connected with frequency converter It connects；

Each dust suction branch pipe, each bag-type dust branch pipe are respectively equipped with electric control valve on each activated carbon adsorption branch pipe.

Preferably, the utility model further include: PLC controller, pressure difference transmitter；

Pressure difference transmitter, each electric control valve are communicated to connect with PLC controller respectively；

Pressure difference transmitter real-time monitoring bag filter, the variation of active carbon adsorber inlet outlet pressure differential, and will test value biography Transport to PLC controller.

Preferably, frequency converter connects blower by alignment circuit；

Alignment circuit includes: contactor KM1, contactor KM2, contactor KM3, electrothermal relay FR；

AC power source passes through the ac input end of contactor KM1 connection frequency converter, and the ac output end of frequency converter is by connecing The input terminal of tentaculum KM2 connection electrothermal relay；AC power source passes through the input terminal of contactor KM3 connection electrothermal relay；Hot relay The output end of device connects blower.

Preferably, PLC controller uses S7-200 type PLC controller.

Preferably, the utility model further include: host computer；

Host computer and PLC controller communicate to connect.

Preferably, the first dust suction supervisor is equipped with emptying branch pipe, and emptying branch pipe is equipped with emptying electric control valve；

Emptying electric control valve is electrically connected with PLC controller.

As can be seen from the above technical solutions, the utility model has the advantage that

Under the action of blower, the dust raised outside enters bag filter by suction inlet and filters dust, then through making a living Property charcoal haustorium carry out deodorization；The case where dust is seriously raised outside is prevented, filtered dust is reused, and sub-material is reduced Loss；It will be discharged into after the air filtration polluted by odorous powder in the air, protect environment；

At least two bag filters are in parallel, and at least two active carbon haustoriums are in parallel；When one of operation, at another In maintenance or part replacement state；Prevent shutdown maintenance or replaced the generation of component, improves production efficiency；Political affairs whole process Automation control, intelligence degree are high.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model, attached drawing needed in description will be made below Simply introduce, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, for this field For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the utility model connection relationship diagram.

Fig. 2 is alignment circuit figure.

Wherein, 1, suction inlet, 2, dust suction branch pipe, 3, dust connector, the 4, first dust suction supervisor, 5, bag filter, 6, bag-type dust branch pipe, the 7, second dust suction supervisor, 8, activated carbon adsorption branch pipe, 9, active carbon adsorber, 10, electrically-controlled valve Door, 11, blower, 12, frequency converter, 13, PLC controller, 14, host computer.

Specific embodiment

It, below will be with tool to enable the goal of the invention, feature, advantage of the utility model more obvious and understandable The examples and drawings of body are clearly and completely described the technical solution of the utility model protection, it is clear that retouched below The embodiment stated is only the utility model a part of the embodiment, and not all embodiment.Based on the embodiment in this patent, All other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this specially The range of benefit protection.

The present embodiment provides a kind of dust-filtering purification devices, comprising: at least one suction inlet 1, dust connector 3, extremely Few two bag filters 5, at least two active carbon adsorbers 9, frequency converter 12, blower 11, PLC controller 13, pressure difference pick-up Device, host computer 14；Frequency converter 12 uses MM440 Series Frequency Converter；PLC controller 13 uses S7-200 type PLC controller.

As shown in Figure 1, the present embodiment includes: two bag filters, 5, two active carbon adsorbers 9；This is practical new for this The preferred embodiment of type, two bag filter parallel connections, two active carbon haustoriums are in parallel；When one of operation, another In maintenance or part replacement state；Prevent shutdown maintenance or replaced the generation of component, improves production efficiency.

Its specific connection relationship is as follows: suction inlet 1 connects 3 entering-dust mouth of dust connector, dust connection by dust suction branch pipe 2 3 dust mouth of device is connected to by the first dust suction supervisor 4 with each bag-type dust branch pipe 6, each bag-type dust branch pipe 6 and each cloth bag The air inlet of deduster 5 connects one to one；First dust suction supervisor 4 is equipped with emptying branch pipe, and emptying branch pipe is equipped with emptying electricity Control valve；

The gas outlet of each bag filter 5 passes through bag-type dust branch pipe 6 respectively and connect with the second dust suction supervisor 7, and second Dust suction supervisor 7 is connected one to one by activated carbon adsorption branch pipe 8 and 9 air inlet of active carbon adsorber；Each activated carbon adsorption 9 gas outlet of device is connected to by activated carbon adsorption branch pipe 8 with blower 11；Blower 11 is electrically connected with frequency converter 12；

Each dust suction branch pipe 2, each bag-type dust branch pipe 6 are respectively equipped with electric control valve on each activated carbon adsorption branch pipe 8 10.Pressure difference transmitter, emptying electric control valve, each electric control valve 10 are communicated to connect with PLC controller 13 respectively；Pressure difference transmitter Real-time monitoring bag filter 5, the variation of 9 inlet outlet pressure differential of active carbon adsorber, and will test value and be transmitted to PLC controller 13.

Wherein, frequency converter 12 connects blower 11 by alignment circuit；Alignment circuit include: contactor KM1, contactor KM2, Contactor KM3, electrothermal relay FR；AC power source passes through the ac input end of contactor KM1 connection frequency converter 12, frequency converter 12 Ac output end passes through the input terminal of contactor KM2 connection electrothermal relay；AC power source passes through contactor KM3 connection electrothermal relay Input terminal；The output end of electrothermal relay connects blower 11.

Host computer 14 and PLC controller 13 communicate to connect.

Under the action of blower, the dust raised outside enters bag filter by suction inlet and filters dust, then through making a living Property charcoal haustorium carry out deodorization；The case where dust is seriously raised outside is prevented, filtered dust is reused, and sub-material is reduced Loss；It will be discharged into after the air filtration polluted by odorous powder in the air, protect environment.

PLC controller operation logic is as follows: when system is in running order, deduster that pressure difference transmitter will test Pressure signal is converted to corresponding standard electric signal, and the analog-to-digital conversion module for feeding back to PLC controller is converted to PLC The identifiable digital quantity of controller, and the pressure difference that will test and preset threshold carry out multiple contrast conting.It calculates resulting System handles signal after Internal Control Procedure is handled, and obtains corresponding control signal, which passes through PLC controller D/A converter module be converted into standard analog signal and export to frequency converter signal control terminal, to frequency converter output frequency into Row control changes rotation speed of fan, and then the pressure value of bag filter and active carbon adsorber, realizes bag filter and activity The pressure closed loop of charcoal absorber is adjusted.The pressure difference analog signal of input is by judging cloth bag compared with the pressure difference bound of setting Breakage or stopping state, PLC issue response control instruction, carry out maintenance shut-downs.Once there is short circuit or by forceful electric power in frequency converter When the failures such as magnetic disturbance can not work normally, PLC receives frequency converter failure signal, is cut off by alert process unit and frequency conversion Device connection, makes blower not by Frequency Converter Control.Blower is run after restarting by modes such as reduced-voltage starting or soft starts.

The specification and claims of the utility model and term " first ", " second ", " third " in above-mentioned attached drawing (if present)s such as " the 4 " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It answers The data that the understanding uses in this way are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can Implemented with the sequence other than those of illustrating or describing herein.In addition, term " includes " and " having " and they Any deformation, it is intended that cover and non-exclusive include.

The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (6)

1. a kind of dust-filtering purification device characterized by comprising at least one suction inlet (1), dust connector (3), extremely Few two bag filters (5), at least two active carbon adsorbers (9), frequency converter (12) and blower (11)；

Suction inlet (1) connects dust connector (3) entering-dust mouth by dust suction branch pipe (2), and dust connector (3) dust mouth passes through the One dust suction supervisor (4) is connected to each bag-type dust branch pipe (6), each bag-type dust branch pipe (6) and each bag filter (5) Air inlet connect one to one；

The gas outlet of each bag filter (5) passes through bag-type dust branch pipe (6) respectively and connect with the second dust suction supervisor (7), the Two dust suctions supervisor (7) is connected one to one by activated carbon adsorption branch pipe (8) and active carbon adsorber (9) air inlet；

Each active carbon adsorber (9) gas outlet is connected to by activated carbon adsorption branch pipe (8) with blower (11)；Blower (11) and change Frequency device (12) electrical connection；

Each dust suction branch pipe (2), each bag-type dust branch pipe (6) are respectively equipped with electrically-controlled valve on each activated carbon adsorption branch pipe (8) Door (10).

2. dust-filtering purification device according to claim 1, which is characterized in that

Further include: PLC controller (13), pressure difference transmitter；

Pressure difference transmitter, each electric control valve (10) are communicated to connect with PLC controller (13) respectively；

Pressure difference transmitter real-time monitoring bag filter (5), the variation of active carbon adsorber (9) inlet outlet pressure differential, and will test value It is transmitted to PLC controller (13).

3. dust-filtering purification device according to claim 2, which is characterized in that

Frequency converter (12) connects blower (11) by alignment circuit；

Alignment circuit includes: contactor KM1, contactor KM2, contactor KM3, electrothermal relay FR；

AC power source passes through the ac input end of contactor KM1 connection frequency converter (12), and the ac output end of frequency converter (12) is logical Cross the input terminal of contactor KM2 connection electrothermal relay；AC power source passes through the input terminal of contactor KM3 connection electrothermal relay；Heat The output end of relay connects blower (11).

4. dust-filtering purification device according to claim 2 or 3, which is characterized in that

Frequency converter (12) uses MM440 Series Frequency Converter (12)；

PLC controller (13) uses S7-200 type PLC controller (13).

5. dust-filtering purification device according to claim 1, which is characterized in that

Further include: host computer (14)；

Host computer (14) and PLC controller (13) communicate to connect.

6. dust-filtering purification device according to claim 1, which is characterized in that

First dust suction is responsible for (4) and is equipped with emptying branch pipe, and emptying branch pipe is equipped with emptying electric control valve；

Emptying electric control valve is electrically connected with PLC controller (13).