CN116196718A - A Modular Dust Collector with Double-valve Locking Air and Dust Release - Google Patents

Abstract

The invention discloses a modularized dust collector with double-valve lock, gas and ash release. The upper box body, the middle box body and the lower box body are sequentially arranged from top to bottom, and the support frame is arranged at the bottom of the lower box body. , the air inlet is arranged on one side of the upper box and the middle box, the air outlet pipe is arranged on the top surface of the upper box, and the dust removal port is arranged at the lower end of the lower box , the dust removal port includes a first connecting pipe, a first ash unloading mechanism, a second connecting pipe, a second ash unloading mechanism, a third connecting pipe, and a material level sensor, and the first ash unloading mechanism is connected by a flange Between the first connecting pipe and the second connecting pipe, the second ash unloading mechanism is connected between the second connecting pipe and the third connecting pipe through a flange, and the material level sensor is arranged on the The upper end of the inner wall of the second connecting pipe.

Description

A Modular Dust Collector with Double-valve Locking Air and Dust Release

technical field

The invention relates to the technical field of dust collectors, in particular to a modular dust collector with double valves to lock air and release dust.

Background technique

Dust collector, that is, the equipment that separates dust from flue gas, is a relatively common industrial equipment in industrial production such as boilers and polishing. At present, common dust collectors mainly include bag dust collectors, cyclone dust collectors, cartridge dust collectors, electrostatic precipitators and pulse bag dust collectors. Among them, the bag filter is a dry dust filter device. It is suitable for capturing fine, dry, non-fibrous dust. The filter bag is made of textile filter cloth or non-woven felt, and uses the filter function of the fiber fabric to filter the dusty gas. When the dusty gas enters the bag filter, the dust with large particles and large specific gravity will When the air containing fine dust passes through the filter material, the dust will be blocked and the air will be purified.

However, the existing bag-type dust collector needs to stop the input of waste gas when unloading dust, which leads to low work efficiency.

Contents of the invention

In order to overcome the deficiencies of the prior art, the present invention provides a modularized dust collector with double-valve lock, air and ash release. By setting the first ash unloading mechanism and the second ash unloading mechanism, it can realize The work of air lock and ash discharge improves the work efficiency.

In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions: a modular dust collector with double-valve lock, air and ash release, including a support frame, an upper box, a middle box, a lower box, an air inlet, and an air outlet The pipeline, the dust removal port, the upper box, the middle box, and the lower box are arranged sequentially from top to bottom, the support frame is arranged at the bottom of the lower box, and the air inlet is arranged at the upper One side of the box body and the middle box body, the air outlet pipe is arranged on the top surface of the upper box body, the dust removal port is arranged at the lower end of the lower box body, and the dust removal port includes a first connection Pipe, first ash unloading mechanism, second connecting pipe, second ash unloading mechanism, third connecting pipe, material level sensor, the first ash unloading mechanism is connected to the first connecting pipe and the second connecting pipe through a flange Between the pipes, the second ash unloading mechanism is connected between the second connecting pipe and the third connecting pipe through a flange, and the material level sensor is arranged at the upper end of the inner wall of the second connecting pipe.

Preferably, the first ash unloading mechanism includes a first valve body, a first valve plate, a first sealing ring, a first valve stem, and a first pneumatic actuator, and the inner wall of the first valve body is provided with a first seal ring, the first valve plate is movably connected to the first valve body, the outer periphery of the first valve plate abuts against the first sealing ring, and one end of the first valve stem passes through the first valve body and the first valve body. The first valve plate is fixedly connected, and the other end of the valve stem is movably connected to the output end of the first pneumatic actuator.

Preferably, the second ash unloading mechanism includes a second valve body, a second valve plate, a second sealing ring, a second valve stem, and a second pneumatic actuator, and the inner wall of the second valve body is provided with a second seal ring, the second valve plate is movably connected to the second valve body, the outer periphery of the second valve plate abuts against the second sealing ring, and one end of the second valve stem passes through the second valve body and the second valve body. The second valve plate is fixedly connected, and the other end of the valve stem is movably connected to the output end of the second pneumatic actuator.

Preferably, the upper box includes a first clean air chamber and a second clean air chamber, the tops of the first clean air chamber and the second clean air chamber are provided with clean air outlets, and the first clean air Filters are fixedly installed in both the chamber and the second clean air chamber.

Preferably, the filter includes a partition, a filter bag, an elastic hoop, a bag cage, and a ring groove. There are several installation holes arranged on the partition, and the installation holes are arranged in a matrix. There is a filter bag, the upper end of the filter bag is provided with an elastic hoop, and the elastic hoop is clamped with the installation hole, the filter bag is provided with a bag cage, and the upper end of the bag cage is fixedly connected with a ring groove. The ring groove is clamped on the outer surface of the filter bag located at the upper end of the installation hole, and a pulse mechanism is arranged above the filter bag.

Preferably, the pulse mechanism includes a blowing pipe, a nozzle, a pulse valve, and an air bag. The blowing pipe is horizontally arranged above each row of filter bags, and the lower ends of the blowing pipe are connected with several nozzles. The nozzles correspond to the centers of the filter bags one by one, one end of the blowing pipe is fixedly communicated with the output end of the pulse valve, and the input end of the pulse valve is fixedly communicated with the air bag through the air inlet pipe.

Preferably, the number of the air bags is two, and the two air bags are respectively arranged side by side on the outer sides of the first clean air chamber and the second clean air chamber through brackets, and the upper ends of the two air bags Each is provided with several pulse valves, and the pulse valves are in one-to-one correspondence with the blowing pipes.

Preferably, the middle box includes a first dust removal box and a second dust removal box, and a baffle plate is fixedly connected to one side of the first dust removal box and the second dust removal box, and the first dust removal box and the second dust removal box The dust removal boxes are set in one-to-one correspondence with the first clean air chamber and the second clean air chamber respectively.

Preferably, the lower box includes a first ash hopper and a second ash hopper, and the first ash hopper and the second ash hopper correspond to the first dust removal box and the second dust removal box respectively and are fixedly communicated with each other. , the number of the dust removal port is two, and the two dust removal ports are fixedly connected to the lower ends of the first ash hopper and the second ash hopper respectively.

Preferably, a first cylinder and a second cylinder are fixedly installed at the top of the outlet pipeline, and the front ends of the piston rods of the first cylinder and the second cylinder pass through the outlet pipeline and are fixedly connected with poppet valves, and the two poppet valves They are in one-to-one correspondence with the two clean gas outlets respectively.

Compared with prior art, the beneficial effect that the present invention can reach is:

By arranging the first ash unloading mechanism and the second ash unloading mechanism, the air lock and ash unloading work of the dust collector can be realized under the working state, and the working efficiency is improved. The upper box, the middle box and the lower box adopt a modular assembly structure, which can improve production efficiency.

Description of drawings

Fig. 1 is a schematic diagram of the front view of the sectional structure of the present invention;

Fig. 2 is a schematic diagram of the main view structure of the present invention;

Fig. 3 is the structural representation of filter of the present invention;

Fig. 4 is a schematic diagram of the connection structure of the filter and the pulse mechanism of the present invention;

Fig. 5 is a structural schematic diagram of the first ash unloading mechanism of the present invention;

Among them: 1. Support frame; 2. Air inlet; 3. Outlet pipe; 4. First connecting pipe; 5. First ash unloading mechanism; 6. Second connecting pipe; 7. Second ash unloading mechanism; 8. The third connecting pipe; 9. Material level sensor; 10. The first clean air chamber; 11. The second clean air chamber; 12. The clean air outlet; 13. Partition plate; 14. Filter bag; 15. Elastic hoop; 16. Bag cage; 17. Ring groove; 18. Injection pipe; 19. Nozzle; 20. Pulse valve; 21. Air bag; 22. First dust removal box; 23. Second dust removal box; 24. Baffle plate; 25. The first ash hopper; 26, the second ash hopper; 27, the first valve body; 28, the first valve plate; 29, the first sealing ring; 30, the first valve stem; 31, the first pneumatic actuator; 32, The second valve body; 33, the second valve plate; 34, the second sealing ring; 35, the second valve stem; 36, the second pneumatic actuator; 37, the first cylinder; 38, the second cylinder; 39, the lift valve plate.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elaborated below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the examples in the implementation manners, other examples obtained by those skilled in the art without making creative efforts all belong to the protection scope of the present invention. The experimental methods in the following examples, unless otherwise specified, are conventional methods, and the materials, reagents, etc. used in the following examples, unless otherwise specified, can be obtained from commercial sources.

Example:

As shown in Figures 1-5, the present invention provides a modular dust collector with double-valve lock, air and ash release, which includes a support frame 1, an upper box, a middle box, a lower box, an air inlet 2, and an air outlet. The pipeline 3, the dust removal port, the upper box, the middle box, and the lower box are arranged sequentially from top to bottom, the support frame 1 is arranged at the bottom of the lower box, and the air inlet 2 is arranged at One side of the upper box and the middle box, the air outlet duct 3 is arranged on the top surface of the upper box, the dust removal port is arranged at the lower end of the lower box, and the dust removal port It includes a first connecting pipe 4, a first ash unloading mechanism 5, a second connecting pipe 6, a second ash unloading mechanism 7, a third connecting pipe 8, and a material level sensor 9. The first ash unloading mechanism 5 is connected by a flange Between the first connecting pipe 4 and the second connecting pipe 6, the second ash unloading mechanism 7 is connected between the second connecting pipe 6 and the third connecting pipe 8 through a flange, and the material level The sensor 9 is arranged on the upper end of the inner wall of the second connecting pipe 6 .

As shown in Figures 1 and 5, this embodiment also discloses that the first ash unloading mechanism 5 includes a first valve body 27, a first valve plate 28, a first sealing ring 29, a first valve stem 30, a first pneumatic The actuator 31, the inner wall of the first valve body 27 is provided with a first sealing ring 29, the first valve plate 28 is movably connected in the first valve body 27, and the outer circumference of the first valve plate 28 is in contact with the The first sealing ring 29 abuts against each other, one end of the first valve rod 30 passes through the first valve body 27 and is fixedly connected to the first valve plate 28, and the other end of the valve rod is movably connected to the first valve body 27. The output end of the pneumatic actuator 31.

As shown in Figure 1, this embodiment also discloses that the second ash unloading mechanism 7 includes a second valve body 32, a second valve plate 33, a second sealing ring 34, a second valve stem 35, and a second pneumatic actuator 36. The inner wall of the second valve body 32 is provided with a second sealing ring 34, the second valve plate 33 is movably connected in the second valve body 32, and the outer circumference of the second valve plate 33 is in contact with the first The two sealing rings 34 abut against each other, one end of the second valve rod 35 passes through the second valve body 32 and is fixedly connected to the second valve plate 33, and the other end of the valve rod is movably connected to the second pneumatic actuator. The output terminal of device 36.

When working, the first pneumatic actuator 31 is opened, the second pneumatic actuator 36 is closed, the first valve plate 28 is in a vertical state, the second valve plate 33 is in a horizontal state, dust falls into the second connecting pipe 6 and is removed by the second The valve plate 33 blocks, when the material level sensor 9 detects that the dust reaches the designated position, the material level sensor 9 transmits the signal to the control system, and the control system controls the first pneumatic actuator 31 to open and drive the first valve stem 30 to rotate, the first valve The rod 30 drives the first valve plate 28 to rotate, the first valve plate 28 is in a horizontal state, the first pneumatic actuator 31 is closed, at this time, the second pneumatic actuator 36 is opened, and the second valve plate 33 is in a vertical state, thereby turning the The dust is discharged and circulated sequentially. The first valve plate 28 and the second valve plate 33 always keep one in the open state and the other in the closed state, so that the dust collector can also perform air lock and dust removal work under the working state, which improves the dust collector. work efficiency.

As shown in Figure 1, this embodiment also discloses that the upper box body includes a first clean air chamber 10 and a second clean air chamber 11, and the top ends of the first clean air chamber 10 and the second clean air chamber 11 are both A clean air outlet 12 is provided, and filters are fixedly installed in the first clean air chamber 10 and the second clean air chamber 11 .

As shown in Figure 3, this embodiment also discloses that the filter includes a partition 13, a filter bag 14, an elastic hoop 15, a bag cage 16, and an annular groove 17, and several installation holes are provided on the partition 13 , the installation holes are arranged in a matrix, the installation holes are provided with filter bags 14, the upper ends of the filter bags 14 are provided with elastic hoops 15, and the elastic hoops 15 are clamped with the installation holes, and the filter bags 14 A bag cage 16 is arranged inside, and the upper end of the bag cage 16 is fixedly connected with a ring groove 17, and the ring groove 17 is clipped on the outer surface of the filter bag 14 located at the upper end of the installation hole, above the filter bag 14 A pulse mechanism is provided.

As shown in Figure 4, this embodiment also discloses that the pulse mechanism includes a blowing pipe 18, a nozzle 19, a pulse valve 20, and an air bag 21, and the blowing pipe 18 is horizontally arranged above each row of filter bags 14. The lower end of the blowpipe 18 is connected with several nozzles 19, and the several nozzles 19 correspond to the center of the filter bag 14 one by one, and one end of the blowpipe 18 is fixedly communicated with the output end of the pulse valve 20. The input end of the pulse valve 20 is fixedly communicated with the air bag 21 through the intake pipe.

As shown in FIG. 2 , this embodiment also discloses that the number of the air bags 21 is two, and the two air bags 21 are respectively arranged side by side in the first clean air chamber 10 and the second clean air chamber through brackets. 11, the upper ends of the two air bags 21 are provided with several pulse valves 20, and the pulse valves 20 correspond to the blowing pipes 18 one by one.

As shown in Figure 1, this embodiment also discloses that the middle box includes a first dust removal box 22 and a second dust removal box 23, and the inner sides of the first dust removal box 22 and the second dust removal box 23 are fixedly connected There is a baffle plate 24, and the first dust removal box 22 and the second dust removal box 23 are arranged in one-to-one correspondence with the first clean air chamber 10 and the second clean air chamber 11 respectively.

As shown in Figure 1, the present embodiment also discloses that the lower box includes a first ash hopper 25 and a second ash hopper 26, and the first ash hopper 25 and the second ash hopper 26 are respectively connected to the first dust collector The box 22 and the second dust removal box 23 correspond one to one and are fixedly connected. The lower end of ash hopper 26.

As shown in Figure 1, this embodiment also discloses that the top end of the air outlet pipeline 3 is fixedly installed with a first cylinder 37 and a second cylinder 38, and the front ends of the piston rods of the first cylinder 37 and the second cylinder 38 pass through the air outlet. Both the pipes 3 are fixedly connected with poppet valves, and the two poppet valves are in one-to-one correspondence with the two clean gas outlets 12 respectively.

When working, the dust gas enters from the air inlet 2, and under the action of the baffle plate 24, the large particles of dust directly fall into the ash hopper, and the small particles of dust flow slowly and evenly into the first dust removal box 22 and the second dust removal box 23, by setting the baffle plate 24, it can effectively prevent the local flow velocity of the dust gas from being too fast and accelerate the damage of the filter bag 14. The filter bags 14 in the first dust removal box 22 and the second dust removal box 23 filter the dust gas. The clean gas passes through the filter bag 14 and moves upward into the clean gas chamber, and then enters the outlet pipe 3 through the clean gas outlet 12 to be discharged. When the dust on the surface of a certain clean gas chamber filter bag 14 accumulates to a certain thickness and needs to be cleaned, The cylinder above the clean air chamber drives the poppet valve plate 39 to block the clean air outlet 12 to maintain pressure balance, and the other clean air chamber maintains the working state, and this cycle makes each clean air chamber realize off-line dust cleaning, pulse Under the action of the control system, the valve 20 generates a pulsed airflow along the blowing pipe 18 and enters the nozzle 19 to blow to the inside of the filter bag 14, so that the filter bag 14 expands, the dust is peeled off, and the dust falls into the ash hopper and passes through the first ash discharge mechanism 5 and the second ash discharge mechanism. Ash mechanism 7 discharges.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. A modular dust collector with double-valve locking, gas release and dust removal, comprising a support frame (1), characterized in that: it also includes an upper box, a middle box, a lower box, an air inlet (2), and an air outlet pipe (3), the dust removal port, the upper box, the middle box, and the lower box are arranged sequentially from top to bottom, the support frame (1) is arranged at the bottom of the lower box, and the air inlet (2) It is arranged on one side of the upper box and the middle box, the air outlet pipe (3) is arranged on the top surface of the upper box, and the dust removal port is arranged at the lower end of the lower box ; The dust removal port includes a first connecting pipe (4), a first ash unloading mechanism (5), a second connecting pipe (6), a second ash unloading mechanism (7), a third connecting pipe (8), and a material position sensor (9), the first ash unloading mechanism (5) is connected between the first connecting pipe (4) and the second connecting pipe (6) through a flange, and the second ash unloading mechanism (7 ) is connected between the second connecting pipe (6) and the third connecting pipe (8) through a flange, and the material level sensor (9) is arranged at the upper end of the inner wall of the second connecting pipe (6). 2. A modular dust collector with double-valve lock, air lock and ash release according to claim 1, characterized in that: the first ash unloading mechanism (5) includes a first valve body (27), a first valve plate (28), the first sealing ring (29), the first valve rod (30), the first pneumatic actuator (31), the inner wall of the first valve body (27) is provided with the first sealing ring (29), The first valve plate (28) is movably connected in the first valve body (27), the outer periphery of the first valve plate (28) abuts against the first sealing ring (29), and the first One end of the valve rod (30) passes through the first valve body (27) and is fixedly connected to the first valve plate (28), and the other end of the valve rod is movably connected to the first pneumatic actuator (31). output. 3. A modular dust collector with double-valve lock, air lock and ash release according to claim 1, characterized in that: the second ash unloading mechanism (7) includes a second valve body (32), a second valve plate (33), a second sealing ring (34), a second valve rod (35), a second pneumatic actuator (36), the inner wall of the second valve body (32) is provided with a second sealing ring (34), The second valve plate (33) is movably connected in the second valve body (32), the outer periphery of the second valve plate (33) abuts against the second sealing ring (34), and the second One end of the valve rod (35) passes through the second valve body (32) and is fixedly connected to the second valve plate (33), and the other end of the valve rod is movably connected to the second pneumatic actuator (36). output. 4. A modular dust collector with double-valve air lock and dust release according to claim 1, characterized in that: the upper box body includes a first clean air chamber (10), a second clean air chamber (11) , the tops of the first clean gas chamber (10) and the second clean gas chamber (11) are provided with clean gas outlets (12), the first clean gas chamber (10) and the second clean gas chamber ( 11) Filters are fixedly installed inside. 5. A modular dust collector with double-valve lock, air lock and ash release according to claim 4, characterized in that: the filter includes a partition (13), a filter bag (14), and an elastic hoop (15) , a bag cage (16), an annular groove (17), and several mounting holes are provided on the dividing plate (13), and the mounting holes are arranged in a matrix, and filter bags (14) are arranged in the mounting holes, so that The upper end of the filter bag (14) is provided with an elastic hoop (15), and the elastic hoop (15) is clamped with the installation hole, and the filter bag (14) is provided with a bag cage (16), and the bag cage The upper end of (16) is fixedly connected with an annular groove (17), and the annular groove (17) is clamped on the outer surface of the filter bag (14) located at the upper end of the installation hole, and the filter bag (14) is set above the There is a pulse mechanism. 6. A modular dust collector with double-valve lock, gas and ash release according to claim 5, characterized in that: the pulse mechanism includes a blowing pipe (18), a nozzle (19), a pulse valve (20), a gas package (21), the blowing pipe (18) is horizontally arranged above each row of filter bags (14), the lower end of the blowing pipe (18) is connected with several nozzles (19), and several nozzles ( 19) One-to-one correspondence with the center of the filter bag (14), one end of the blowing pipe (18) is fixedly communicated with the output end of the pulse valve (20), and the input end of the pulse valve (20) passes through The air intake pipe is fixedly communicated with the air bag (21). 7. A modular dust collector with double-valve lock, air and ash release according to claim 6, characterized in that: the number of the air bags (21) is two, and the two air bags (21) are respectively The brackets are arranged side by side on the outer surfaces of the first clean air chamber (10) and the second clean air chamber (11), and several pulse valves (20) are arranged on the upper ends of the two air bags (21), The pulse valve (20) is in one-to-one correspondence with the blowing pipe (18). 8. A kind of modularized dust remover with double-valve lock, air lock and dust release according to claim 4, characterized in that: the middle box body comprises a first dust removal box (22), a second dust removal box (23), and the One side inside of the first dust removal box (22) and the second dust removal box (23) is fixedly connected with a baffle plate (24), and the first dust removal box (22) and the second dust removal box (23) are respectively connected with the first dust removal box (23) The first clean air chamber (10) and the second clean air chamber (11) are provided in one-to-one correspondence. 9. A modular dust collector with double-valve lock, air lock and dust release according to claim 8, characterized in that: the lower box includes a first ash hopper (25) and a second ash hopper (26), so The first ash hopper (25) and the second ash hopper (26) are respectively one-to-one corresponding to the first dust removal box (22) and the second dust removal box (23) and fixedly communicated with each other. There are two in number, and the two dust removal ports are fixedly connected to the lower ends of the first ash hopper (25) and the second ash hopper (26) respectively. 10. A modular dust collector with double-valve lock, air and ash release according to claim 4, characterized in that: a first cylinder (37) and a second cylinder (38) are fixedly installed on the top of the outlet pipe (3) ), the piston rod front ends of the first cylinder (37) and the second cylinder (38) run through the outlet pipeline (3) and are fixedly connected with poppet valve plates (39), and the two poppet valve plates (39) They are in one-to-one correspondence with the two clean gas outlets (12).

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