CN211273922U - Pressure relief device for dust remover and pulse bag type dust remover - Google Patents
Pressure relief device for dust remover and pulse bag type dust remover Download PDFInfo
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- CN211273922U CN211273922U CN201922123066.0U CN201922123066U CN211273922U CN 211273922 U CN211273922 U CN 211273922U CN 201922123066 U CN201922123066 U CN 201922123066U CN 211273922 U CN211273922 U CN 211273922U
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Abstract
The utility model relates to a pressure relief device and pulse bag collector for dust remover belongs to dust removal technical field. The pressure relief device comprises: the pressure relief air chamber is provided with an air inlet and an air outlet; the valve plate of the valve cylinder controls the air inlet and the pressure relief of the pressure relief air chamber; the pressure sensor is arranged outside the pressure relief air chamber; and the controller is electrically connected with the cylinder with the valve and the pressure sensor. The dust remover comprises the pressure relief device. The utility model discloses when dust remover pressure was too high, the pressure release in time prevented that the dust remover from taking place to burst.
Description
Technical Field
The utility model belongs to the technical field of remove dust, relate to dust collecting equipment, specifically speaking relates to a pressure relief device and pulse bag collector for dust remover.
Background
With the rapid development of society, dust pollution to air caused by various industries such as metallurgy, chemical industry, electric power, building materials and the like is increasingly serious, so that the quality of the air environment is reduced, the health of people is damaged, the safety production of enterprises is threatened, and the balance of the ecological environment is damaged. In order to improve the quality of the atmospheric environment, the application of a dust removal system is indispensable.
Generally, when a pulse bag type dust collector works and operates, working conditions change, dust properties change during dust removal, or when the back blowing pressure of the dust collector is insufficient and a back blowing gas circuit fails, a filter bag is easy to stick with a paste bag, so that the using effect of the dust collector is poor, the pressure in a dust removal chamber is increased continuously, particularly, in a bin top dust collector at the top of a bin, if the bin is pressurized and fed, the pressure of the bin and the pressure of the dust collector are increased sharply, the bin and the dust collector are in danger of bursting, and the safety is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the above-mentioned problem such as the security difference that current dust remover exists, provide a pressure relief device and pulse bag collector for dust remover, when dust remover pressure was too high, can in time release, prevent that the dust remover from taking place to burst.
In order to achieve the above object, the utility model provides a pressure relief device for dust remover, include:
the pressure relief air chamber is provided with an air inlet and an air outlet;
the valve plate of the valve cylinder controls the air inlet and the pressure relief of the pressure relief air chamber;
the pressure sensor is arranged outside the pressure relief air chamber;
and the controller is electrically connected with the cylinder with the valve and the pressure sensor.
Furthermore, the device also comprises an audible and visual alarm which is electrically connected with the controller.
Furthermore, a first filter bag is arranged in the pressure relief air chamber.
Preferably, the pressure relief air chamber comprises a first pressure relief air chamber and a second pressure relief air chamber which are communicated with each other through a communication port, the cylinder with the valve is connected with the second pressure relief air chamber, and a valve plate of the cylinder with the valve is matched with the communication port; the air inlet is arranged on the first pressure relief air chamber, and the air outlet is arranged on the second pressure relief air chamber; the first filter bag is arranged in the second pressure relief air chamber.
Preferably, the air inlet is arranged on one side of the pressure relief air chamber, the air outlet is arranged on the other side of the pressure relief air chamber, the first filter bag is arranged on one side of the air outlet in the pressure relief air chamber, and the valve plate of the cylinder with the valve is matched with the air inlet.
In order to achieve the purpose, the utility model also provides a pulse bag type dust collector, which comprises a dust removing chamber, an air chamber and a pressure relief device, wherein a second filter bag is arranged in the dust removing chamber, the air chamber is communicated with a fan, the pressure relief device comprises a pressure relief air chamber arranged outside the dust removing chamber, a cylinder with a valve connected with the pressure relief air chamber, a pressure sensor arranged outside the pressure relief air chamber and a controller respectively electrically connected with the cylinder with the valve and the pressure sensor, and the fan is electrically connected with the controller; the pressure relief air chamber is provided with an air inlet communicated with the dust removal chamber and an air outlet communicated with the external atmosphere, and the air inlet of the pressure sensor is communicated with the dust removal chamber; the valve plate of the cylinder with the valve controls the air inlet and the pressure relief of the pressure relief air chamber.
Furthermore, the pressure relief device further comprises an audible and visual alarm, and the audible and visual alarm is electrically connected with the controller.
Preferably, a first filter bag is arranged in the pressure relief air chamber.
Preferably, the dust remover also comprises a back-blowing dust-cleaning device, wherein the back-blowing dust-cleaning device comprises an air bag arranged outside the dust removing chamber and a row spray pipe arranged in the air chamber, the row spray pipe is connected with the air bag, and a plurality of air nozzles are arranged on the row spray pipe; and a first electromagnetic valve is arranged at the joint of the travelling spray pipe and the air bag.
Preferably, the dust remover further comprises a detachable guardrail and a ladder stand, wherein the detachable guardrail is arranged at the top of the air chamber, and the ladder stand is arranged on the side face of the dust remover.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
(1) the utility model discloses simple structure, convenient operation changes at the dust remover operating mode, and dust removal dust nature changes, or when pulse blowback atmospheric pressure is not enough and blowback gas circuit breaks down and leads to dust remover pressure to constantly increase, can carry out timely pressure release to the dust remover and handle, prevents that the dust remover from bursting because of the too big emergence of pressure, improves the security of dust remover, prolongs the life of dust remover.
(2) The utility model discloses be equipped with the filter bag in the pressure release air chamber, can further filter the gas of flow direction pressure release air chamber in the clean room in the pressure release, prevent to have the gas of dust and emit into the atmosphere, the polluted environment has further improved the filter effect of dust remover.
(3) The utility model discloses a controller automatic control pressure release is handled to can automatic control fan and blowback ash removal device work simultaneously, labour saving and time saving has improved the dust collection efficiency of dust remover.
Drawings
Fig. 1 is a schematic structural diagram of a pressure relief device for a dust remover according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of the pressure relief air chamber according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a pressure relief device for a dust remover according to embodiment 2 of the present invention;
fig. 4-5 are schematic structural views of a pulse bag filter according to embodiment 3 of the present invention.
In the figure, 1, a pressure relief air chamber, 101, an air inlet, 102, an air outlet, 103, a first filter bag, 104, a first pressure relief air chamber, 105, a second pressure relief air chamber, 2, a cylinder with a valve, 201, a valve plate, 3, a pressure sensor, 4, a controller, 5, an audible and visual alarm, 6, a communication port, 7, a dust removal chamber, 8, an air chamber, 9, a fan, 1001, an air bag, 1002, a traveling nozzle, 1003, an electromagnetic valve, 11, a detachable guardrail, 12 and a ladder.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", "inner", "outer", "left", "right", and the like indicate positional relationships based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1: referring to fig. 1 and 2, the present embodiment provides a pressure relief device for a dust remover, including:
the filter bag comprises a pressure relief air chamber 1 and a filter bag, wherein the pressure relief air chamber 1 is provided with an air inlet 101 and an air outlet 102, and a first filter bag 103 is arranged in the pressure relief air chamber 1;
the valve cylinder 2 is connected with the pressure relief air chamber 1, and a valve plate 201 of the valve cylinder 2 controls air inlet and pressure relief of the pressure relief air chamber 1;
the pressure sensor 3 is arranged outside the pressure relief air chamber 1;
and a controller 4, wherein the controller 4 is electrically connected with the cylinder 2 with the valve and the pressure sensor 3.
When the pressure relief device is used, the pressure relief air chamber is arranged outside the dust removal chamber of the dust remover, the air inlet of the pressure relief air chamber is communicated with the dust removal chamber, and the air outlet of the pressure relief air chamber is communicated with the external atmosphere. The air inlet of the pressure sensor is communicated with the dust chamber of the dust remover, and it should be noted that the air pressure in the dust chamber can be measured as long as the air inlet of the pressure sensor is communicated with the dust chamber, and the installation position of the pressure sensor can be any position of the dust remover, namely the pressure sensor can be installed in the dust chamber or outside the dust chamber. Preferably, the pressure sensor in this embodiment is a dustproof pressure gauge, and is installed outside the dust removal chamber and below the pressure relief air chamber.
In a specific embodiment, with continued reference to fig. 2, the pressure relief device further comprises an audible and visual alarm 5, and the audible and visual alarm 5 is electrically connected to the controller 4. Specifically, the audible and visual alarm comprises a yellow audible and visual alarm and a red audible and visual alarm, when the pressure sensor detects that the pressure in the dust remover is within a range of-0.5 Kpa to-0, a feedback signal is sent to the controller, the controller controls the yellow audible and visual alarm to be on and generates an audible alarm to prompt timely cleaning of the cloth bag and checking of a pulse gas circuit and gas pressure, if the dust remover is not cleaned timely or special conditions are not cleaned timely, the pressure measured by the pressure sensor continues to increase, when the pressure exceeds 2Kpa, the pressure sensor feeds back a signal to the controller, and the controller controls the red audible and visual alarm to be on and generates an audible alarm.
Specifically, with continued reference to fig. 1 and fig. 2, the relief air chamber 1 includes a first relief air chamber 104 and a second relief air chamber 105 which are communicated with each other through a communication port 6, the valved cylinder 2 is connected with the second relief air chamber 105, and a valve sheet 201 of the valved cylinder 2 is matched with the communication port 6; the air inlet 101 is arranged on the first pressure relief air chamber 104, and the air outlet 102 is arranged at the bottom of the second pressure relief air chamber 105; the first filter bag 103 is arranged in the second pressure relief air chamber 105. Wherein, first pressure release air chamber passes through the clean room intercommunication of air inlet and dust remover, and the dust remover is normal during operation, and the cylinder of taking the valve passes through the valve block and seals the intercommunication mouth, and at this moment, the pressure between clean room and the first pressure release air chamber is the same, and no air flows. When the working condition in the dust remover changes, the property of dust is changed, or the pressure of the dust remover is continuously increased due to insufficient pulse back-blowing air pressure and failure of a back-blowing air circuit, pressure relief needs to be carried out, at the moment, the cylinder with the valve works to drive the valve plate to act, the communicating port is opened, so that the first pressure relief air chamber is communicated with the second pressure relief air chamber, because the air pressure in the first pressure relief air chamber is greater than the air pressure in the second pressure relief air chamber, the air in the dust remover enters the second pressure relief air chamber through the first pressure relief air chamber, and is filtered by the first filter bag in the second pressure relief air chamber and then is exhausted from the exhaust port arranged on the second pressure relief air chamber, thereby realizing the pressure relief of the dust remover, effectively preventing the dust remover from bursting due to overlarge pressure, improving the safety of the dust remover and prolonging the service life.
This embodiment pressure relief device simple structure, convenient operation has solved the dust remover and has moved for a long time at the during operation, and operating mode condition changes, and dust removal dust nature changes, perhaps stick with paste the bag easily when pulse blowback atmospheric pressure is not enough and the blowback gas circuit breaks down, makes the dust remover dust removal effect not good then, the dust removal indoor pressure constantly increases, the problem that the dust remover probably takes place to burst.
Example 2: referring to fig. 3, a pressure relief device for a dust collector includes:
the filter bag comprises a pressure relief air chamber 1 and a filter bag, wherein the pressure relief air chamber 1 is provided with an air inlet 101 and an air outlet 102, and a first filter bag 103 is arranged in the pressure relief air chamber 1;
the valve cylinder 2 is connected with the pressure relief air chamber 1, and a valve plate 201 of the valve cylinder 2 controls air inlet and pressure relief of the pressure relief air chamber 1;
the pressure sensor 3 is arranged outside the pressure relief air chamber 1;
and a controller 4, wherein the controller 4 is electrically connected with the cylinder 2 with the valve and the pressure sensor 3.
When the pressure relief device is used, the pressure relief air chamber is arranged outside the dust removal chamber of the dust remover, the air inlet of the pressure relief air chamber is communicated with the dust removal chamber, and the air outlet of the pressure relief air chamber is communicated with the external atmosphere. The air inlet of the pressure sensor is communicated with the dust chamber of the dust remover, and it should be noted that the air pressure in the dust chamber can be measured as long as the air inlet of the pressure sensor is communicated with the dust chamber, and the installation position of the pressure sensor can be any position of the dust remover, namely the pressure sensor can be installed in the dust chamber or outside the dust chamber. Preferably, the pressure sensor in this embodiment is a dustproof pressure gauge, and is installed outside the dust removal chamber and below the pressure relief air chamber.
In a specific embodiment, with continued reference to fig. 3, the pressure relief device further comprises an audible and visual alarm 5, and the audible and visual alarm 5 is electrically connected to the controller 4. Specifically, the audible and visual alarm comprises a yellow audible and visual alarm and a red audible and visual alarm, when the pressure detected by the pressure sensor is within the range of-0.5 Kpa to-0, a feedback signal is sent to the controller, the controller controls the yellow audible and visual alarm to be on and generates an audible alarm to prompt that the cloth bag is cleaned in time and the pulse gas circuit and the gas pressure are checked, if the cloth bag is not cleaned in time or the cleaning is not available due to special conditions, the pressure detected by the pressure sensor is continuously increased, when the pressure exceeds 2Kpa, the pressure sensor feeds back a signal to the controller, and the controller controls the red audible and visual alarm to be on and generates an alarm.
Specifically, with reference to fig. 3, the air inlet 101 is disposed on one side of the pressure relief air chamber 1, the air outlet 102 is disposed on the other side of the pressure relief air chamber 1, the first filter bag 103 is disposed on one side of the pressure relief air chamber 1, in which the air outlet 102 is disposed, and the valve sheet 201 of the cylinder 2 with a valve is matched with the air inlet 101. The pressure relief air chamber is communicated with a dust removal chamber of the dust remover through an air inlet, and when the dust remover works normally, the air inlet is sealed by the air cylinder with the valve through the valve block. When the working condition in the dust remover changes, the property of dust removal dust changes, or the pulse back-blowing air pressure is insufficient and the back-blowing air circuit breaks down to cause the pressure of the dust remover to continuously increase, the pressure release is needed, at the moment, the cylinder with the valve works to drive the valve block to act, the air inlet is opened, the pressure release air chamber is communicated with the dust removal chamber, because the air pressure in the dust removal chamber is greater than the air pressure in the pressure release air chamber, the air in the dust remover enters the pressure release air chamber through the air inlet, and is exhausted through the air outlet arranged on the side face of the pressure release air chamber after being filtered by the first filter bag in the pressure release air chamber, so that the pressure release of the dust remover is realized, the burst of the dust remover due to the overlarge pressure is effectively prevented.
This embodiment pressure relief device is for embodiment 1 pressure relief device, the structure is simpler, and convenient operation, and is with low costs, has solved the dust remover equally and has moved at the during operation for a long time, and operating mode condition changes, and dust removal dust nature changes, and perhaps the bag is stuck with paste easily when pulse blowback atmospheric pressure is not enough and the blowback gas circuit breaks down, makes then that the dust remover dust removal effect is not good, the clean room internal pressure constantly increases, and the problem that the dust remover probably takes place to burst.
Example 3: referring to fig. 4 and 5, a pulse bag type dust collector comprises a dust removing chamber 7, an air chamber 8 and a pressure relief device, wherein a second filter bag 701 is arranged in the dust removing chamber 7, the air chamber 8 is communicated with a fan 9, the pressure relief device comprises a pressure relief air chamber 1 arranged outside the dust removing chamber 7, a cylinder 2 with a valve connected with the pressure relief air chamber 1, a pressure sensor 3 arranged outside the pressure relief air chamber 1 and a controller 4 respectively electrically connected with the cylinder 2 with a valve and the pressure sensor 3, and the fan 9 is electrically connected with the controller 4; the pressure relief air chamber 1 is provided with an air inlet 101 communicated with the dust removal chamber 7 and an air outlet 102 communicated with the external atmosphere, and the air inlet of the pressure sensor 3 is communicated with the dust removal chamber 7; the valve plate 201 of the cylinder 2 with the valve controls the air inlet and the pressure relief of the pressure relief air chamber 1.
In a specific embodiment, with continued reference to fig. 4, the pressure relief device further comprises an audible and visual alarm 5, and the audible and visual alarm 5 is electrically connected to the controller 4. Specifically, the audible and visual alarm comprises a yellow audible and visual alarm and a red audible and visual alarm, when the pressure detected by the pressure sensor is within the range of-0.5 Kpa to-0, a feedback signal is sent to the controller, the controller controls the yellow audible and visual alarm to be on and generates an audible alarm to prompt that the cloth bag is cleaned in time and the pulse gas circuit and the gas pressure are checked, if the cloth bag is not cleaned in time or the cleaning is not available due to special conditions, the pressure detected by the pressure sensor is continuously increased, when the pressure exceeds 2Kpa, the pressure sensor feeds back a signal to the controller, and the controller controls the red audible and visual alarm to be on and generates an alarm.
Specifically, a first filter bag 103 is arranged in the pressure relief air chamber 1. During pressure relief, air entering a pressure relief air chamber is filtered through the first filter bag, and air with dust is prevented from being discharged into the atmosphere to pollute the environment.
In a specific embodiment, referring to fig. 2, the relief air chamber 1 comprises a first relief air chamber 104 and a second relief air chamber 105 which are communicated with each other through a communication port 6, the valved cylinder 2 is connected with the second relief air chamber 105, and a valve sheet 201 of the valved cylinder 2 is matched with the communication port 6; the air inlet 101 is arranged on the first pressure relief air chamber 104, and the air outlet 102 is arranged at the bottom of the second pressure relief air chamber 105; the first filter bag 103 is arranged in the second pressure relief air chamber 105. Wherein, first pressure release air chamber passes through the clean room intercommunication of air inlet and dust remover, and the dust remover is normal during operation, and the cylinder of taking the valve passes through the valve block and seals the intercommunication mouth, and at this moment, the pressure between clean room and the first pressure release air chamber is the same, and no air flows. When the working condition in the dust remover changes, the property of dust is changed, or the pressure of the dust remover is continuously increased due to insufficient pulse back-blowing air pressure and failure of a back-blowing air circuit, pressure relief needs to be carried out, at the moment, the cylinder with the valve works to drive the valve plate to act, the communicating port is opened, so that the first pressure relief air chamber is communicated with the second pressure relief air chamber, because the air pressure in the first pressure relief air chamber is greater than the air pressure in the second pressure relief air chamber, the air in the dust remover enters the second pressure relief air chamber through the first pressure relief air chamber, and is filtered by the first filter bag in the second pressure relief air chamber and then is exhausted from the exhaust port arranged on the second pressure relief air chamber, thereby realizing the pressure relief of the dust remover, effectively preventing the dust remover from bursting due to overlarge pressure, improving the safety of the dust remover and prolonging the service life.
In another specific embodiment, referring to fig. 3, the pressure relief air chamber 1 is an integral air chamber structure, the air inlet 101 is disposed on one side of the pressure relief air chamber 1, the air outlet 102 is disposed on the other side of the pressure relief air chamber 1, the first filter bag 103 is disposed on one side of the pressure relief air chamber 1, where the air outlet 102 is disposed, and the valve sheet 201 of the cylinder with valve 2 is matched with the air inlet 101. The pressure relief air chamber is communicated with a dust removal chamber of the dust remover through an air inlet, and when the dust remover works normally, the air inlet is sealed by the air cylinder with the valve through the valve block. When the working condition in the dust remover changes, the property of dust removal dust changes, or the pulse back-blowing air pressure is insufficient and the back-blowing air circuit breaks down to cause the pressure of the dust remover to continuously increase, the pressure release is needed, at the moment, the cylinder with the valve works to drive the valve block to act, the air inlet is opened, the pressure release air chamber is communicated with the dust removal chamber, because the air pressure in the dust removal chamber is greater than the air pressure in the pressure release air chamber, the air in the dust remover enters the pressure release air chamber through the air inlet, and is exhausted through the air outlet arranged on the side face of the pressure release air chamber after being filtered by the first filter bag in the pressure release air chamber, so that the pressure release of the dust remover is realized, the burst of the dust remover due to the overlarge pressure is effectively prevented.
Specifically, with continued reference to fig. 5, the dust remover further comprises a back-blowing ash removal device, wherein the back-blowing ash removal device comprises an air bag 1001 arranged outside the dust removal chamber 7 and a line spray pipe 1002 arranged in the air chamber 8, the line spray pipe 1002 is connected with the air bag 1001, and a plurality of air nozzles are arranged on the line spray pipe 1002; and an electromagnetic valve 1003 is arranged at the joint of the row spraying pipe 1002 and the air bag 1001, and the electromagnetic valve 1003 is connected with the controller. The back-blowing dust cleaning device works by controlling the electromagnetic valve to work through the controller, opening a passage between the air bag and the traveling spray pipe, introducing high-pressure gas into the traveling spray pipe through the air bag, blowing out the high-pressure gas through the vent nozzle on the traveling spray pipe, blowing off the adsorbed dust on the filter bag, and discharging the dust from the vent hole at the bottom of the dust removal chamber, so that the filter bag is dedusted, and the filter bag is kept to normally work.
Specifically, with continued reference to fig. 4 and 5, the dust remover further comprises a detachable guardrail 11 and a ladder stand 12, wherein the detachable guardrail 11 is arranged at the top of the air chamber 8, and the ladder stand 12 is arranged on the side surface of the dust remover. Wherein, dismantled and assembled guardrail is used for the maintenance personal protection, and the cat ladder is used for the maintenance platform that maintenance personal went up the dust remover top to maintain.
This embodiment pulse bag collector is equipped with pressure relief device, and when the dust remover internal pressure was too big, carries out the pressure release through the pressure release state and handles, has solved the dust remover and has operated for a long time at the during operation, and operating mode condition changes, and dust removal dust nature changes, and perhaps the bag is stuck with paste easily when pulse blowback atmospheric pressure is insufficient and the blowback gas circuit breaks down, makes then that the dust remover dust removal effect is not good, the dust shaker internal pressure constantly increases, and the problem that bursts probably takes place for the dust remover.
The above-mentioned embodiments are provided for explaining the present invention, and not for limiting the present invention, and any modifications and changes made by the present invention are within the spirit and scope of the claims of the present invention.
Claims (10)
1. A pressure relief device for a duster, comprising:
the pressure relief air chamber (1) is provided with an air inlet (101) and an air outlet (102);
the valve cylinder (2) is connected with the pressure relief air chamber (1), and a valve plate (201) of the valve cylinder (2) controls air inlet and pressure relief of the pressure relief air chamber (1);
the pressure sensor (3) is arranged outside the pressure relief air chamber (1);
and the controller (4), wherein the controller (4) is electrically connected with the cylinder (2) with the valve and the pressure sensor (3).
2. The pressure relief device according to claim 1, further comprising an audible and visual alarm (5), wherein said audible and visual alarm (5) is electrically connected to said controller (4).
3. Pressure relief device according to claim 1 or 2, characterized in that a first filter bag (103) is arranged in said pressure relief plenum (1).
4. A pressure relief device according to claim 3, wherein the pressure relief air chamber (1) comprises a first pressure relief air chamber (104) and a second pressure relief air chamber (105) which are communicated with each other through a communication port (6), the valved cylinder (2) is connected with the second pressure relief air chamber (105), and a valve plate (201) of the valved cylinder (2) is engaged with the communication port (6); the air inlet (101) is arranged on the first pressure relief air chamber (104), and the air outlet (102) is arranged on the second pressure relief air chamber (105); the first filter bag (103) is arranged in the second pressure relief air chamber (105).
5. The pressure relief device according to claim 3, wherein the air inlet (101) is disposed at one side of the pressure relief air chamber (1), the air outlet (102) is disposed at the other side of the pressure relief air chamber (1), the first filter bag (103) is disposed at one side of the pressure relief air chamber (1) where the air outlet (102) is disposed, and the valve plate (201) of the cylinder (2) with the valve is engaged with the air inlet (101).
6. A pulse bag type dust collector is characterized by comprising a dust chamber (7), an air chamber (8) and a pressure relief device, wherein a second filter bag (701) is arranged in the dust chamber (7), and the air chamber (8) is communicated with a fan (9); the pressure relief device comprises a pressure relief air chamber (1) arranged outside the dust removal chamber (7), a cylinder (2) with a valve connected with the pressure relief air chamber (1), a pressure sensor (3) arranged outside the pressure relief air chamber (1) and a controller (4) electrically connected with the cylinder (2) with the valve and the pressure sensor (3) respectively, wherein the fan (9) is electrically connected with the controller (4); the pressure relief air chamber (1) is provided with an air inlet (101) communicated with the dust chamber (7) and an air outlet (102) communicated with the external atmosphere, and the air inlet of the pressure sensor (3) is communicated with the dust chamber (7); the valve plate (201) of the cylinder (2) with the valve controls the air inlet and the pressure relief of the pressure relief air chamber (1).
7. The pulse bag collector according to claim 6, wherein said pressure relief device further comprises an audible and visual alarm (5), said audible and visual alarm (5) being electrically connected to said controller (4).
8. A pulse bag dust collector as claimed in claim 6 or 7, characterized in that a first filter bag (103) is arranged in said pressure relief air chamber (1).
9. The pulse bag type dust collector of claim 6 or 7, further comprising a back-blowing ash removal device, wherein the back-blowing ash removal device comprises an air bag (1001) arranged outside the dust removal chamber (7) and a line spray pipe (1002) arranged in the air chamber (8), the line spray pipe (1002) is connected with the air bag (1001), and a plurality of air nozzles are arranged on the line spray pipe (1002); and an electromagnetic valve (1003) is arranged at the joint of the travelling nozzle (1002) and the air bag (1001), and the electromagnetic valve (1003) is electrically connected with the controller (4).
10. A pulse bag house according to claim 9, further comprising a removable guardrail (11) and a ladder (12), said removable guardrail (11) being arranged on top of said air chamber (8), said ladder (12) being arranged on the sides of the house.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922123066.0U CN211273922U (en) | 2019-12-02 | 2019-12-02 | Pressure relief device for dust remover and pulse bag type dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922123066.0U CN211273922U (en) | 2019-12-02 | 2019-12-02 | Pressure relief device for dust remover and pulse bag type dust remover |
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| Publication Number | Publication Date |
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| CN211273922U true CN211273922U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922123066.0U Active CN211273922U (en) | 2019-12-02 | 2019-12-02 | Pressure relief device for dust remover and pulse bag type dust remover |
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| Country | Link |
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| CN (1) | CN211273922U (en) |
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