CN211698687U

CN211698687U - Energy-saving and pipeline anti-blocking variable frequency control device of multipoint dust removal system

Info

Publication number: CN211698687U
Application number: CN202020122847.8U
Authority: CN
Inventors: 徐晓燕; 许淑芬; 鄢永普; 高建刚; 余祖停
Original assignee: Wuhan Meilin Environmental Protection Science & Technology Co ltd
Current assignee: Wuhan Meilin Environmental Protection Science & Technology Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-10-16
Anticipated expiration: 2030-01-16

Abstract

The utility model discloses an energy-conserving and pipeline of multiple spot dust pelletizing system prevents stifled variable frequency control device, including main tuber pipe, butterfly valve block and shower nozzle, a plurality of connecting rods of inside fixed connection of main tuber pipe, the one end fixedly connected with fan of connecting rod. The utility model discloses beneficial effect is provided with the fan in the inside of main tuber pipe, and the fan can drive the air current, forms the negative pressure of one side, absorbs the dust removal to the dust, and the fan is connected with the PLC controller, according to the various combination condition of technology production through the PLC controller, selects four most representative operating mode amount of wind as four work shelves of fan, is low-speed, intermediate speed, high-speed, hypervelocity respectively. The air quantity of other working conditions is moved to an upper gear nearby, the driving motor rotates to open the butterfly valve plate, the driving motor can be synchronously opened by mechanical linkage, the butterfly valve plate is synchronously opened to absorb dust, and gears with different wind speeds are adjusted according to the opening number of the driving motor.

Description

Energy-saving and pipeline anti-blocking variable frequency control device of multipoint dust removal system

Technical Field

The utility model relates to a dust pelletizing system technical field especially relates to an energy-conserving and pipeline of multiple spot dust pelletizing system prevents stifled variable frequency control device.

Background

The multipoint dust removal system is widely applied to various production procedures of industrial enterprises, and the design of the multipoint dust removal system at present mainly adopts two modes, namely, air draft is normally opened; and secondly, air draft is switched, and the two modes have respective advantages and disadvantages.

'Lily' of normal open air draft: all dust raising points draw air all the time, and the method is simple.

The disadvantage of normal open air draft is as follows: all dust producing points can exhaust air whether working or not, and the fan always runs at a high speed, so that energy waste is caused.

Switching the 'benefit' of air draft: each dust point exhaust pipe is provided with an electric control switching valve, which dust point works to exhaust, the system air quantity is controlled by frequency conversion and speed regulation, and the energy consumption is reduced.

Switching the 'disadvantage' of air draft: in the use process of a pipe network system, air leakage is caused due to inevitable abrasion of a valve and valve faults, so that the air quantity of the air suction point is insufficient, the air speed of a pipeline cannot meet the design requirement, and dust is precipitated to block branch pipes, and finally the dust removal system is paralyzed.

How to avoid the drawback that above two kinds of common mode exist in the design of multiple spot dust pelletizing system, make the dust pelletizing system operation in-process not only energy-conserving but also can not appear the pipeline jam condition, make the long-term, stable, high-efficient operation of dust pelletizing system.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, the multi-point dust removal system energy-saving and pipeline anti-blocking variable frequency control device is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multipoint dust removal system energy-saving and pipeline anti-blocking variable frequency control device comprises a main air pipe, butterfly valve plates and a spray head, wherein a plurality of connecting rods are fixedly connected inside the main air pipe, one ends of the connecting rods are fixedly connected with a fan, a PLC controller is fixedly connected at the upper end of the main air pipe, the main air pipe is connected with a main branch pipe, one side of the main branch pipe is connected with an auxiliary branch pipe, the upper end of the main branch pipe is fixedly connected with a driving motor, the output end of the driving motor is connected with the butterfly valve plates, an installation block is fixedly connected inside the main branch pipe, an installation groove is arranged inside the installation block, a touch block is movably clamped inside the installation groove, sealing rubber is connected onto the touch block, the other end of the sealing rubber is connected with the installation block, a touch switch is fixedly connected inside the installation block, and a spring is clamped inside the touch block, the interior of the main branch pipe is fixedly connected with a distribution ring, and one side of the distribution ring is connected with an air pipe.

Preferably, the PLC controller is electrically connected with the fan, and the fan sets a fourth-gear wind speed adjusting gear through PLC controller programming.

Preferably, the auxiliary branch pipes are arranged in a plurality of ways, the auxiliary branch pipes are arranged according to the dust-producing points of the process condition working at the same time, and the auxiliary branch pipes are connected in parallel on the same main branch pipe according to the actual condition.

Preferably, the driving motor and the mechanical linkage of the dust generating point are arranged, and the driving motor and the corresponding linkage mechanical are started synchronously.

Preferably, the installation blocks are arranged in the main branch pipe, the installation blocks are arranged at positions corresponding to the opening and closing positions of the butterfly valve pieces respectively, and the contact blocks are correspondingly attached to the butterfly valve pieces at the opening and closing positions.

Preferably, the installation groove is provided with a depth matched with the movement stroke of the collision block, and sealing rubber with elastic arrangement is connected between the installation block and the collision block.

Preferably, the distribution ring is arranged in a hollow mode, a plurality of uniformly distributed spray heads are connected inside the distribution ring, and the spray head air outlet is arranged in a side inclined mode.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, be provided with the fan in the inside of main tuber pipe, the fan can drive the air current, forms the negative pressure of one side, absorbs the dust removal to the dust, and the fan is connected with the PLC controller, according to the various combination condition of technology production through the PLC controller, selects four most representative operating mode amount of wind as four work shelves of fan, is low-speed, intermediate speed, high-speed, hypervelocity respectively. Other operating mode amount of wind are close to and are upwards moved by shelves nearby, and driving motor carries out the rotation of butterfly valve block and opens, and mechanical linkage sets up and can let driving motor open in step, carries out the synchronous dust absorption of opening of butterfly valve block, and the quantity of opening through driving motor carries out the adjustment of different wind speed gears, avoids the waste of energy, provides stable dust removal effect simultaneously.

2. In the utility model, one side of the main branch pipe is connected with a plurality of arranged sub-branch pipes, the sub-branch pipes are arranged according to the dust-producing point air-extracting quantity of the process condition simultaneous working, the plurality of sub-branch pipes are connected in parallel on the same main branch pipe according to the actual condition, multi-point air-extracting is carried out through the plurality of sub-branch pipes, dust absorption is carried out, the number of the electric valves used can be reduced by the parallel sub-branch pipes, two mounting blocks are arranged in the main branch pipe, the mounting block is respectively arranged corresponding to the opening and closing of the butterfly valve plate, two abutting blocks are correspondingly attached to the opening and closing positions of the butterfly valve plate, the abutting blocks movably clamped in the inner part of the mounting blocks are used for measuring the opening and closing positions of the butterfly valve plate, the measuring of the opening and closing positions of the butterfly valve plate is avoided, the opening and closing information of the butterfly valve plate is simultaneously transmitted to an upper computer, the inside distribution ring that is provided with of main branch pipe, the shower nozzle of connecting on the distribution ring can be cleared up the accumulational dust of dead angle department, opens all butterfly valve blocks after equipment uses a period, and the leading-in high-pressure gas of trachea simultaneously clears up the inside dust of equipment comprehensively, avoids the jam phenomenon of dust, improves the stability ability that sets up the operation.

Drawings

Fig. 1 is a schematic plan view of the present invention;

FIG. 2 is a schematic view of the connection of the distribution rings of the present invention;

fig. 3 is an enlarged schematic view of the position a of the present invention.

Illustration of the drawings:

1. a main air duct; 2. a connecting rod; 3. a fan; 4. a PLC controller; 5. a main branch pipe; 6. a secondary branch pipe; 7. a drive motor; 8. a butterfly valve plate; 9. mounting blocks; 10. mounting grooves; 11. a contact block; 12. sealing rubber; 13. a touch switch; 14. a spring; 15. a distribution ring; 16. a spray head; 17. the trachea.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a multipoint dust removal system energy-saving and pipeline anti-blocking variable frequency control device comprises a main air duct 1, butterfly valve plates 8 and a spray head 16, wherein a plurality of connecting rods 2 are fixedly connected inside the main air duct 1, one ends of the connecting rods 2 are fixedly connected with a fan 3, a PLC (programmable logic controller) 4 is fixedly connected at the upper end of the main air duct 1, the main air duct 1 is connected with a main branch pipe 5, one side of the main branch pipe 5 is connected with an auxiliary branch pipe 6, the upper end of the main branch pipe 5 is fixedly connected with a driving motor 7, the output end of the driving motor 7 is connected with the butterfly valve plates 8, an installation block 9 is fixedly connected inside the main branch pipe 5, an installation groove 10 is arranged inside the installation block 9, a butting block 11 is movably clamped inside the installation groove 10, a sealing rubber 12 is connected on the butting block 11, the other end of the sealing rubber 12 is connected with the installation block 9, a butting switch 13 is, the inside of the main branch pipe 5 is fixedly connected with a distribution ring 15, and one side of the distribution ring 15 is connected with an air pipe 17.

Specifically, as shown in fig. 1 to 3, the PLC controller 4 is electrically connected to the fan 3, the fan 3 is programmed to set a fourth-gear wind speed adjustment gear through the PLC controller 4, the wind speed of the fan 3 is adjusted through the PLC controller 4, and the wind speeds set differently can be adjusted for different wind volume requirements.

Specifically, as shown in fig. 1 to 3, the sub-branch pipes 6 are arranged in a plurality of ways, the amount of air sucked by the dust generating points of the sub-branch pipes 6 working simultaneously according to the process conditions is set, the sub-branch pipes 6 are connected in parallel to the same main branch pipe 5 according to the actual conditions, multi-point air suction is performed through the sub-branch pipes 6, dust is sucked, the number of electric valves used by the sub-branch pipes 6 connected in parallel can be reduced, the damage probability of the equipment is reduced, and the use stability of the equipment is improved.

Specifically, as shown in fig. 1 to 3, the driving motor 7 and the mechanical interlocking device at the dust generating point are arranged in a linkage manner, the driving motor 7 and the corresponding interlocking device are synchronously started, the butterfly valve plate 8 is rotated and opened by the driving motor 7, and the driving motor 7 can be synchronously opened by the mechanical interlocking device to synchronously open and suck dust of the butterfly valve plate 8.

Specifically, as shown in fig. 1-3, two installation blocks 9 are arranged inside the main branch pipe 5, the installation blocks 9 are arranged at positions corresponding to the opening and closing of the butterfly valve plate 8, two abutting blocks 11 are correspondingly attached to the opening and closing positions of the butterfly valve plate 8, the abutting blocks 11 movably clamped inside the installation blocks 9 are used for measuring the opening and closing positions of the butterfly valve plate 8, the measurement of the opening and closing positions of the butterfly valve plate 8 is avoided, and meanwhile, the opening and closing information of the butterfly valve plate 8 is transmitted to an upper computer.

Specifically, as shown in fig. 1-3, the setting depth of the mounting groove 10 is matched with the moving stroke of the contact block 11, the sealing rubber 12 with elastic setting is connected between the mounting block 9 and the contact block 11, the contact block 11 can move freely in the mounting groove 10, the contact switch 13 is opened by the contact block 11, and the sealing rubber 12 can seal the mounting groove 10 to prevent dust from entering.

Specifically, as shown in fig. 1-3, the distribution ring 15 is arranged in a hollow manner, the distribution ring 15 is internally connected with a plurality of uniformly distributed nozzles 16, the air outlet of each nozzle 16 is arranged in a side inclined manner, the distribution ring 15 arranged in the hollow manner uniformly distributes high-pressure air flow, the high-pressure air flow is sprayed out through the plurality of nozzles 16, the air flow can be sprayed out in an inclined manner through the obliquely arranged nozzles 16, dust which is not easy to flow at a dead angle is cleaned, and long-term accumulation and blockage are avoided.

The working principle is as follows: during the use, the inside of main tuber pipe 1 is provided with fan 3, starts fan 3, and fan 3 can drive the air current, forms the negative pressure of one side, absorbs the dust and removes dust, and fan 3 is connected with PLC controller 4, through PLC controller 4 according to the various combination condition of technology production, selects four most representative operating mode amount of wind as four work shelves of fan 3, is low-speed, intermediate speed, high-speed, hypervelocity respectively. The air volume of other working conditions is moved upwards near to a gear, the driving motor 7 rotates to open the butterfly valve block 8, the mechanical linkage arrangement can lead the driving motor 7 to synchronously open, the butterfly valve block 8 is synchronously opened to absorb dust, the adjustment of gears with different wind speeds is carried out through the opening number of the driving motor 7, one side of the main branch pipe 5 is connected with a plurality of arranged auxiliary branch pipes 6, the auxiliary branch pipes 6 are arranged according to the dust producing points and the air pumping volume of the simultaneous working of the process conditions, the plurality of auxiliary branch pipes 6 are connected on the same main branch pipe 5 in parallel according to the actual conditions, the multi-point air pumping is carried out through the plurality of auxiliary branch pipes 6 to absorb dust, the auxiliary branch pipes 6 connected in parallel can reduce the using number of the electric valves, two mounting blocks 9 are arranged inside the main branch pipe 5, the setting positions of the mounting blocks 9 are respectively corresponding to the opening and closing of the butterfly valve block 8, and the two touch blocks 11 are, the butt piece 11 through the inside activity joint of installation piece 9 carries out the survey of opening the closed position of butterfly valve block 8, avoid the survey of opening the closed position of butterfly valve block 8, simultaneously with opening closed information transfer to the host computer of butterfly valve block 8, carry out trouble butterfly valve block 8's instruction through the host computer, the maintainer of being convenient for maintains, at 5 inside distribution rings 15 that are provided with of main branch pipe, 16 shower nozzles of connecting on the distribution ring 15 can clear up the dust of piling up of position of death department, open all butterfly valve blocks 8 after equipment uses a period, the leading-in high-pressure gas of trachea 17 simultaneously, carry out comprehensive clearance to the inside dust of equipment, avoid the jam of dust, improve the stability ability that sets up the operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an energy-conserving and pipeline of multiple spot dust pelletizing system prevents stifled frequency conversion controlling means, includes main tuber pipe (1), butterfly valve block (8) and shower nozzle (16), its characterized in that: the inner part of the main air pipe (1) is fixedly connected with a plurality of connecting rods (2), one end of each connecting rod (2) is fixedly connected with a fan (3), the upper end of the main air pipe (1) is fixedly connected with a PLC (programmable logic controller) (4), the main air pipe (1) is connected with a main branch pipe (5), one side of the main branch pipe (5) is connected with an auxiliary branch pipe (6), the upper end of the main branch pipe (5) is fixedly connected with a driving motor (7), the output end of the driving motor (7) is connected with a butterfly valve plate (8), the inner part of the main branch pipe (5) is fixedly connected with an installation block (9), an installation groove (10) is arranged in the installation block (9), a touch block (11) is movably clamped in the inner part of the installation groove (10), a sealing rubber (12) is connected on the touch block (11), and the other end of the sealing rubber (12) is connected with, the inside fixedly connected with of installation piece (9) contradicts switch (13), the inside joint of conflict piece (11) has spring (14), the inside fixed connection distribution ring (15) of main branch pipe (5), trachea (17) are connected to one side of distribution ring (15).

2. The energy-saving and pipeline-blocking-preventing frequency conversion control device of the multipoint dust removal system according to claim 1, wherein the PLC (4) is electrically connected with the fan (3), and the fan (3) is programmed to set a four-gear wind speed adjusting gear through the PLC (4).

3. The energy-saving and pipeline-blocking-preventing variable-frequency control device of the multipoint dust removal system according to claim 1, wherein the auxiliary branch pipes (6) are arranged in a plurality of ways, the auxiliary branch pipes (6) are arranged according to the dust-producing point air-suction volume of the process condition, and the auxiliary branch pipes (6) are connected in parallel to the same main branch pipe (5) according to the actual condition.

4. The energy-saving and pipeline-blocking-preventing variable-frequency control device of the multipoint dust removal system according to claim 1, wherein the driving motor (7) is arranged in a mechanical linkage with a dust generating point where the driving motor (7) is located, and the driving motor (7) and the corresponding linkage are started synchronously.

5. The energy-saving and pipeline-blocking-preventing variable-frequency control device of the multipoint dust removal system according to claim 1, wherein two mounting blocks (9) are arranged inside the main branch pipe (5), the mounting blocks (9) are respectively arranged at positions corresponding to the opening and closing of the butterfly valve plate (8), and the two contact blocks (11) are correspondingly attached to the opening and closing positions of the butterfly valve plate (8).

6. The energy-saving and pipeline-blocking-preventing frequency conversion control device of the multipoint dust removal system according to claim 1, wherein the installation depth of the installation groove (10) is matched with the moving stroke of the abutting block (11), and a sealing rubber (12) which is elastically arranged is connected between the installation block (9) and the abutting block (11).

7. The energy-saving and pipeline-blocking-preventing variable-frequency control device of the multipoint dust removal system according to claim 1, wherein the distribution ring (15) is hollow, a plurality of uniformly distributed spray heads (16) are connected inside the distribution ring (15), and an air outlet of the spray heads (16) is arranged in a manner of inclining to one side.