CN222489318U - Simple, efficient and energy-saving dust collector inlet offline valve - Google Patents

Abstract

The utility model provides a simple, efficient and energy-saving dust remover inlet off-line valve, which relates to the technical field of dust removers and comprises two or more than two box bodies, a middle box body and an inlet and outlet main pipe, wherein the middle box body and the inlet and outlet main pipe are arranged in the middle section of the dust remover, a cloth bag is arranged in the middle box body, the top of the dust remover is provided with an upper box body, an air inlet is arranged at the bottom of the inlet and outlet main pipe, the bottom of the air inlet is provided with an inlet off-line valve, and the inlet off-line valve comprises a valve plate a, a fixed seat, an air cylinder b, a connecting rod and a transmission shaft. This kind of dust remover can carry out the jetting through pulse jetting subassembly and handle the sack, with the dust clearance of adhesion outside the sack drop, avoided adsorbing the dust that blows to shake the fall again to the sack owing to suction fan suction effect on, and then reduce dust pelletizing system running resistance, reduce the power consumption loss, can open and shut valve plate a at external drive, control valve plate a's opening angle, avoid increasing the resistance of admitting air in the air inlet, prevent air inlet dust accumulation, ensure that whole dust pelletizing system can not block up.

Description

Simple, efficient and energy-saving dust collector inlet offline valve

Technical Field

The utility model relates to the technical field of dust collectors, in particular to a simple, efficient and energy-saving inlet off-line valve of a dust collector.

Background

The dust remover is a dust removing device for treating dust-containing smoke gas, which is mainly used for purifying gas in the industrial production process and removing dust particles in the gas so as to meet the environmental protection and process requirements.

However, the existing simple, efficient and energy-saving dust collector inlet offline valve still has the following defects and shortcomings in the actual use process:

1. When the existing dust remover is used, dust-containing smoke enters the middle box body from the inlet and outlet header pipes, and is discharged into the dust hopper through the air inlet, the dust-containing smoke is upwards discharged into the cloth bag, dust particles in the air are filtered and purified through the cloth bag, dust can be adhered to the outside of the cloth bag after the cloth bag is used for a long time, but the inside of the dust remover has no structure for cleaning the cloth bag, when the purified air in the cloth bag is pumped out through the suction fan, the dust outside the cloth bag is vibrated under the suction effect of the suction fan to fall down, the dust is re-absorbed on the cloth bag by suction, and a large amount of electric energy is required to be consumed for dust removal, so that the dust removal electricity cost is increased.

For the structure of the outlet off-line valve, the design of most manufacturers adopts a lifting valve to control the outlet of the upper box body, and for the inlet off-line valve, the off-line valve is arranged at the lower part of the middle box body, and the off-line valve is used for controlling the flue gas entering the ash bucket, so that the structure is complex, and the flue gas enters the ash bucket by adopting a 90-degree elbow mostly before entering the ash bucket, thereby not only increasing the resistance of the system in the dust remover, but also having the possibility of ash accumulation.

Disclosure of utility model

The utility model aims to solve the technical problems that the inlet offline valve of the dust remover is simple, efficient and energy-saving, dust adhered outside the cloth bag is easy to fall off by carrying out jetting treatment on the cloth bag through the pulse jetting assembly, so that the dust blown off by jetting is prevented from being re-adsorbed on the cloth bag under the suction effect of the suction fan, the running resistance of a dust removing system is reduced, the electricity consumption is reduced, the valve plate a in the inlet offline valve can be driven to open and close at the outside, the opening angle of the valve plate a can be controlled, the air inlet resistance at the air inlet is prevented from being increased, dust accumulation at the air inlet is further prevented, compared with the traditional dust remover, the whole dust removing system is not blocked, the structure of the inlet offline valve is provided with the valve plate a and a transmission shaft inside an ash hopper, and other structures are outside the ash hopper, so that the dust remover is convenient to overhaul and replace.

The technical problems to be solved by the utility model are realized by adopting the following technical scheme:

The inlet off-line valve of the dust remover comprises two or more than two dust removers of box bodies, a middle box body and an inlet and outlet main pipe, wherein the middle box body and the inlet and outlet main pipe are arranged in the middle section of the dust remover, a cloth bag is arranged in the middle box body, the top of the dust remover is provided with an upper box body, an air inlet is formed in the bottom of the inlet and outlet main pipe, the bottom of the air inlet is provided with an inlet off-line valve, and the inlet off-line valve comprises a valve plate a, a fixed seat, a cylinder b, a connecting rod and a transmission shaft, and a pulse blowing assembly is arranged in the upper box body and is used for cleaning dust adhered outside the cloth bag.

Preferably, the pulse blowing assembly comprises a blowing pipe arranged at one side of the inner part of the upper box body, a plurality of nozzles facing the cloth bag are arranged at the bottom of the blowing pipe, a connecting block is arranged at one end of the blowing pipe, a fixed block fixedly connected with the connecting block is arranged in the inner part of the upper box body, a gas pipe is arranged at the other end of the blowing pipe, one end of the gas pipe penetrates through the outer part of the upper box body, and a gas bag is arranged at the top end of the gas pipe.

Preferably, the dust remover bottom is equipped with the ash bucket, the fixing base is installed to the ash bucket outer end, the fixing base top rotates and is connected with cylinder b, cylinder b top rotates and is connected with the connecting rod, mid-mounting has the transmission shaft in the valve plate a, the transmission shaft both ends run through in the ash bucket is outside, transmission shaft one end with the connecting rod rotates to be connected, the ash bucket outer end install with the bearing frame that the transmission shaft other end rotated to be connected.

Preferably, an exhaust port is formed between the middle box body and the upper box body, an air outlet main pipe communicated with the middle box body is arranged in the middle of the other end of the dust remover, an induced draft fan is arranged outside the air outlet main pipe, an air outlet is formed in the outer end of the air outlet main pipe, and the air outlet is connected with the induced draft fan.

Preferably, the top of the upper box body is provided with an outlet off-line valve, the outlet off-line valve comprises a cylinder seat, a cylinder a and a valve plate b, the cylinder seat is fixedly arranged on one side of the top of the upper box body, the cylinder a is fixedly arranged at the top of the cylinder seat, a piston rod of the cylinder a penetrates through the inside of the cylinder seat, and the valve plate b fixedly connected with the piston rod is arranged at the top of the exhaust port.

Preferably, the bottom of the ash bucket is provided with an ash discharge valve, the top of the ash discharge valve is fixedly provided with an upper flange, and the bottom of the ash discharge valve is fixedly provided with a lower flange.

Preferably, the bottom of the ash discharge valve is provided with a scraper, the scraper consists of a scraper, a motor and a casing, and the top of the ash discharge valve is provided with a flange connected with the lower flange.

The beneficial effects of the utility model are as follows:

(1) The off-line valve at the inlet of the dust remover can control the flue gas to enter the cloth bag in the middle box body, when the dust remover operates for a period of time, after dust with a certain thickness is deposited on the outer surface of the cloth bag, the off-line valve at the inlet and the outlet of the dust remover is closed, and then the cloth bag is subjected to blowing treatment through the pulse blowing component, so that the dust adhered outside the cloth bag is easy to fall off, the dust blown off by blowing is prevented from being re-adsorbed on the cloth bag under the suction effect of the suction fan, the operation resistance of a dust removing system is further reduced, the consumption of electricity is reduced, and the purposes of saving electricity and energy are achieved.

(2) The valve plate a in the import off-line valve is at outside drive switch, also can control valve plate a's opening angle, avoids increasing the resistance of admitting air of air inlet department, and then prevents air inlet dust accumulation, compares with traditional dust remover, and whole dust pelletizing system can not block up, reaches low resistance, high-efficient, convenient to use's dust removal purpose, and import off-line valve's structure removes valve plate a and transmission shaft inside the ash bucket, and other structures are all outside the ash bucket, convenient maintenance changes.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic side view in cross section of the present utility model.

Fig. 3 is a schematic front cross-sectional view of the dust collector of the present utility model.

Fig. 4 is an enlarged schematic view of fig. 3a in accordance with the present utility model.

Fig. 5 is a schematic diagram showing the connection of the cylinder b, the connecting rod, the transmission shaft and the valve plate a.

Fig. 6 is an enlarged schematic view of the structure of fig. 1B according to the present utility model.

In the figures 1 to 6, 1, a dust remover, 101, a cloth bag, 102, a middle box, 103, an air inlet, 104, a valve plate a, 105, an upper box, 2, an ash bucket, 3, an inlet and outlet main pipe, 4, an air outlet main pipe, 5, an air outlet, 501, an air outlet, 503, a cylinder seat, 504, a cylinder a, 505, a valve plate b, 6, an injection pipe, 601, a nozzle, 602, a connecting block, 603, a fixed block, 604, an air delivery pipe, 605, an air bag, 7, a fixed seat, 701, a cylinder b, 702, a connecting rod, 8, a transmission shaft, 9, an ash discharge valve, 901, an upper flange, 902, a lower flange, 10, a scraper, 1011 and a flange.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present application are included in the protection scope of the present application.

The application is described in detail below with reference to the drawings and the detailed description.

Example 1

As shown in figures 1-6, the inlet off-line valve of the simple, efficient and energy-saving dust remover comprises a dust remover 1 with two or more boxes, a middle box 102 and an inlet and outlet main pipe 3 which are arranged in the middle section of the dust remover 1, wherein a cloth bag 101 is arranged in the middle box 102, an upper box 105 is arranged at the top of the dust remover 1, an air inlet 103 is arranged at the bottom of the inlet and outlet main pipe 3, the bottom of the air inlet 103 is provided with the inlet off-line valve, and the inlet off-line valve comprises a valve plate a104, a fixed seat 7, a cylinder b701, a connecting rod 702 and a transmission shaft 8, and a pulse blowing assembly which is arranged in the upper box 105 and is used for cleaning dust adhered outside the cloth bag 101.

Referring to fig. 1-3, an exhaust port 5 is formed between the middle box 102 and the upper box 105, an air outlet main pipe 4 communicated with the middle box 102 is installed in the middle of the other end of the dust remover 1, an induced draft fan is installed outside the air outlet main pipe 4, an air outlet 501 is formed in the outer end of the air outlet main pipe 4, and the air outlet 501 is connected with the induced draft fan.

When the dust-containing gas is treated, the valve plate a104 is opened, the dust-containing gas enters the air inlet 103 from the inlet and outlet header pipe 3 and is discharged into the ash bucket 2, the dust-containing gas is discharged upwards into the cloth bag 101, the sectional areas of the plurality of cloth bags 101 in the middle box 102 are enlarged, the airflow speed is rapidly reduced, part of large particle dust is separated out and falls into the ash bucket 2 under the action of inertia force, the air outlet header pipe 4, the air outlet 5, the upper box 105 and the inside of the cloth bag 101 are pumped under the action of the suction fan, the airflow flows inwards from the outside of the cloth bag 101, the dust-containing gas is filtered and purified by the cloth bag 101, the dust is blocked on the outer surface of the cloth bag 101, and the purified gas enters the upper box 105 through the cloth bag 101 and then enters the air outlet header pipe 4 through the air outlet 5, is sucked out to the air outlet 501 and is discharged from the chimney by the suction fan, and the filtering and purifying treatment of the dust-containing gas is completed.

Referring to fig. 2-3, an outlet off-line valve is arranged at the top of the upper box body 105, the outlet off-line valve comprises a cylinder seat 503, a cylinder a504 and a valve plate b505, the cylinder seat 503 is fixedly arranged at one side of the top of the upper box body 105, the cylinder a504 is fixedly arranged at the top of the cylinder seat 503, a piston rod of the cylinder a504 penetrates through the upper box body 105, and the valve plate b505 fixedly connected with the piston rod is arranged at the top of the exhaust port 5.

When the dust-laden gas is filtered and purified in the cloth bag 101, the cylinder a504 is started to work, the cylinder a504 drives the piston rod to move upwards, namely the piston rod drives the valve plate b505 to move upwards from the top of the exhaust port 5, the sealing of the exhaust port 5 is released, the exhaust port 5 is opened, the air outlet main pipe 4, the exhaust port 5, the upper box 105 and the cloth bag 101 are communicated, and purified gas can be discharged out of the dust remover 1.

Referring to fig. 1, 2 and 4, the bottom of the dust remover 1 is provided with an ash bucket 2, the outer end of the ash bucket 2 is provided with a fixed seat 7, the top of the fixed seat 7 is rotationally connected with a cylinder b701, the top of the cylinder b701 is rotationally connected with a connecting rod 702, a transmission shaft 8 is mounted in the middle of a valve plate a104, two ends of the transmission shaft 8 penetrate through the outside of the ash bucket 2, one end of the transmission shaft 8 is rotationally connected with the connecting rod 702, and the outer end of the ash bucket 2 is provided with a bearing seat rotationally connected with the other end of the transmission shaft 8.

When the valve plate a104 is used, the valve plate a104 is positioned at the bottom of the air inlet 103, two ends of the middle transmission shaft 8 in the valve plate a104 penetrate through the outside of the ash bucket 2, one end of the transmission shaft 8 is rotationally connected with the connecting rod 702, so that the connecting rod 702, the air cylinder b701 and the fixed seat 7 form a driving whole at the outer end of the ash bucket 2, a bearing seat rotationally connected with the other end of the transmission shaft 8 is arranged at the outer end of the ash bucket 2, the other end of the transmission shaft 8 is limited and placed through the bearing seat, the two sides of the valve plate a104 are stressed uniformly, the valve plate a104 can be stably placed at the bottom of the air inlet 103, when dust-containing flue gas is discharged into the cloth bag 101 for filtration, the air cylinder b701 is started to push the connecting rod 702, namely, the connecting rod 702 pushes the transmission shaft 8 to rotate, the valve plate a104 is driven to turn over and open, at the moment, the valve plate a104 is changed from a horizontally placed state into a vertically placed state, the sealing of the air inlet 103 is released, so that dust-containing flue gas entering the middle box 102 can be discharged into the ash bucket 2 from the air inlet 103, and further the dust-containing flue gas is upwards discharged into the inside the cloth bag 101 in the ash bucket 2.

The structure of the inlet off-line valve is that the valve plate a and the transmission shaft are arranged inside the ash bucket, the connecting rod 702, the cylinder b701, the fixed seat 7 and the bearing seat are arranged outside the ash bucket 2, so that the maintenance and the replacement are convenient, the valve plate b505 and the valve plate a104 can be opened and closed in the exhaust port 5 and the air inlet 103 in an up-down off-line manner, when the valve plate b505 and the valve plate a104 are closed at the exhaust port 5 and the air inlet 103, the dust-containing gas enters the cloth bag 101 to filter dust, the dust-removing operation of the dust remover 1 can be not influenced, and the independent opening and closing of the valve plate b505 and the valve plate a104 can be carried out, so that the purpose of the maintenance is achieved in an independent off-line manner.

Example 2

On the basis of embodiment 1 and referring to fig. 1-2, the pulse blowing assembly comprises a blowing pipe 6 arranged on one side of the interior of an upper box 105, a plurality of nozzles 601 facing a cloth bag 101 are arranged at the bottom of the blowing pipe 6, a connecting block 602 is arranged at one end of the blowing pipe 6, a fixing block 603 fixedly connected with the connecting block 602 is arranged in the upper box 105, a gas pipe 604 is arranged at the other end of the blowing pipe 6, one end of the gas pipe 604 penetrates through the exterior of the upper box 105, and a gas bag 605 is arranged at the top end of the gas pipe 604.

When the blowing pipe 6 is used, the blowing pipe 6 is connected and fixed with the fixed block 603 in the upper box 105 through the connecting block 602, and the other end is fixedly installed with the air pipe 604, so that the blowing pipe 6 is firmly installed in the upper box 105 for use, the nozzles 601 at the bottom of the blowing pipe 6 are all arranged towards the cloth bag 101, after the cloth bag 101 filters and purifies dust-containing smoke, as the blower is installed in the air bag 605, the blower is started to blow air into the air pipe 604, and is discharged into the blowing pipe 6, the cloth bag 101 is subjected to blowing treatment through the nozzles 601, so that dust adhered outside the cloth bag 101 falls into the ash bucket 2 in a free falling state for collection, dust outside the cloth bag 101 is cleaned conveniently, the dust blown off due to the suction effect of the suction fan is prevented from being re-absorbed on the cloth bag 101, the running resistance of the dust removing system is reduced, the consumption of electricity is reduced, and the purposes of saving electricity and energy are achieved.

Referring to fig. 1, 2 and 5, an ash discharge valve 9 is installed at the bottom of an ash bucket 2, an upper flange 901 is fixedly installed at the top of the ash discharge valve 9, a lower flange 902 is fixedly installed at the bottom of the ash discharge valve 9, and when dust falling from a cloth bag 101 is collected in the ash bucket 2, the ash discharge valve 9 is started to be opened to discharge and clean the collected dust in the ash bucket 2.

Referring to fig. 1, fig. 2 and fig. 5, a scraper 10 is arranged at the bottom of the ash valve 9, the scraper 10 is composed of a scraper, a motor and a casing, a flange 1011 connected with a lower flange 902 is arranged at the top of the ash valve 9, when the ash valve 9 is found to be blocked in the use process of the ash valve 9, the scraper 10 is arranged at the bottom of the ash valve 9, the scraper in the scraper 10 is inserted into the inner wall of the ash valve 9 to be attached, and the scraper is connected with a motor shaft of the motor, so that the motor is started to drive the motor shaft to drive the scraper to rotate, dust adhered to the inner wall of the ash valve 9 is conveniently cleaned, the ash valve 9 is prevented from being blocked, and the ash valve is detached after cleaning.

The dust remover 1, the air cylinder a504, the blower, the induced draft fan, the air cylinder b701, the ash discharge valve 9 and the scraper 10 are all powered externally, a control cabinet is arranged outside the dust remover 1, the air cylinder a504, the blower, the induced draft fan, the air cylinder b701 and the ash discharge valve 9 can be controlled to be started and closed by the control cabinet, a switch for controlling a motor is arranged outside the scraper 10 and is used for controlling the motor to be started and closed, and the control program related in the utility model can be realized by a person skilled in the art according to the same or similar principle in the prior art, and the part is not the innovation of the utility model.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

The foregoing describes in detail a simple, efficient and energy-saving offline inlet valve for a dust collector, which is provided by the embodiments of the present application, and specific examples are applied to illustrate the principles and implementation of the present application, and the foregoing examples are only for helping to understand the technical solutions and core ideas of the present application, and it should be understood by those skilled in the art that the technical solutions described in the foregoing embodiments may still be modified or some of the technical features may be equivalently replaced, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims (7)

1. A simple, efficient and energy-saving dust collector inlet off-line valve, comprising:

A dust remover (1) with two or more boxes;

The dust collector comprises a middle box body (102) and an inlet and outlet header pipe (3) which are arranged at the middle section of the dust collector (1), wherein a cloth bag (101) is arranged in the middle box body (102), and an upper box body (105) is arranged at the top of the dust collector (1);

The air inlet (103) is formed in the bottom of the inlet and outlet main pipe (3), an inlet off-line valve is arranged at the bottom of the air inlet (103), and comprises a valve plate a (104), a fixing seat (7), a cylinder b (701), a connecting rod (702) and a transmission shaft (8);

The pulse blowing assembly is arranged in the upper box body (105) and is used for cleaning dust adhered to the outer surface of the cloth bag (101).

2. The simple, efficient and energy-saving dust collector inlet off-line valve of claim 1, wherein said pulse blowing assembly comprises:

The blowing pipe (6) is arranged at one side of the inner part of the upper box body (105), and a plurality of nozzles (601) facing the cloth bag (101) are arranged at the bottom of the blowing pipe (6);

A connecting block (602) arranged at one end of the blowing pipe (6), and a fixed block (603) fixedly connected with the connecting block (602) is arranged in the upper box body (105);

A gas pipe (604) installed at the other end of the blowing pipe (6), wherein one end of the gas pipe (604) penetrates through the outer part of the upper box body (105);

And an air bag (605) arranged at the top end of the air pipe (604).

3. The simple, efficient and energy-saving off-line valve for the inlet of the dust remover according to claim 1, wherein an ash bucket (2) is arranged at the bottom of the dust remover (1), a fixing seat (7) is arranged at the outer end of the ash bucket (2), a cylinder b (701) is rotationally connected to the top of the fixing seat (7), a connecting rod (702) is rotationally connected to the top of the cylinder b (701), a transmission shaft (8) is mounted in the middle part of the valve plate a (104), two ends of the transmission shaft (8) penetrate through the outer part of the ash bucket (2), one end of the transmission shaft (8) is rotationally connected with the connecting rod (702), and a bearing seat rotationally connected with the other end of the transmission shaft (8) is arranged at the outer end of the ash bucket (2).

4. The simple, efficient and energy-saving off-line valve for the inlet of the dust remover according to claim 1, wherein an exhaust port (5) is formed between the middle box body (102) and the upper box body (105), an air outlet main pipe (4) communicated with the middle box body (102) is arranged in the middle of the other end of the dust remover (1), an induced draft fan is arranged outside the air outlet main pipe (4), an air outlet (501) is formed in the outer end of the air outlet main pipe (4), and the air outlet (501) is connected with the induced draft fan.

5. The simple, efficient and energy-saving dust collector inlet off-line valve according to claim 4, wherein an outlet off-line valve is arranged at the top of the upper box body (105), the outlet off-line valve comprises a cylinder seat (503), a cylinder a (504) and a valve plate b (505), the cylinder seat (503) is fixedly arranged on one side of the top of the upper box body (105), the cylinder a (504) is fixedly arranged at the top of the cylinder seat (503), a piston rod of the cylinder a (504) penetrates through the interior of the upper box body (105), and the valve plate b (505) fixedly connected with the piston rod is arranged at the top of the exhaust port (5).

6. The simple, efficient and energy-saving off-line valve for the inlet of the dust remover according to claim 1, wherein the ash bucket (2) is provided with an ash discharge valve (9) at the bottom, an upper flange (901) is fixedly arranged at the top of the ash discharge valve (9), and a lower flange (902) is fixedly arranged at the bottom of the ash discharge valve (9).

7. The simple, efficient and energy-saving off-line valve for the inlet of the dust remover according to claim 6, wherein a scraper machine (10) is arranged at the bottom of the ash discharge valve (9), the scraper machine (10) consists of a scraper plate, a motor and a shell, and a flange (1011) connected with the lower flange (902) is arranged at the top of the ash discharge valve (9).