CN218049569U - Air-locking blanking device of dust collector - Google Patents

Abstract

The utility model discloses a dust collector lock wind unloader, it is including dust collector, three-way pipe, lower glassware, connect the ash bucket, the inlet scoop pipeline connection of the gas outlet of dust collector and draught fan, the material export of dust collector and the entry intercommunication of three-way pipe, two exports of three-way pipe respectively with the entry intercommunication of two lower glassware, the export of lower glassware and the entry pipeline connection who connects the ash bucket, first manometer has been installed to the inlet scoop of draught fan, the three-way pipe facial make-up is equipped with the second manometer. The advantages are that: the rubber lock air curtain is overhauled and replaced through the access hole; the feeder using the rubber air lock curtain does not need to be driven by a motor, the maintenance cost is low, and once the rubber air lock curtain is damaged and abnormal, the damage and the abnormality can be timely discovered under the action of a second pressure gauge and an observation window; one of the two blanking devices is used, and under the cooperation of the gate valve, when one of the blanking devices is overhauled, the other blanking device can be normally used, so that the normal circulation of materials is ensured in the overhauling process, and the production is ensured.

Description

Air-locking blanking device of dust collector

The technical field is as follows:

the utility model relates to an unloader technical field, concretely relates to dust collector lock wind unloader.

The background art comprises the following steps:

in the cement grinding system, a draught fan is used for leading cement fine powder to enter a high-concentration dust collector along with air flow, collected ash is a finished product and is discharged to an ash receiving hopper, and then the finished product is conveyed into a cement warehouse by conveying equipment. At present, in order to ensure the negative pressure state inside the dust collector, a double-impeller rotary unloader or a heavy hammer flap valve is arranged on a connecting pipeline between an outlet of the dust collector and an inlet of an ash receiving hopper, the double-impeller rotary unloader is driven to rotate by a speed reducer, the speed reducer has the phenomenon of oil leakage in the actual operation regulation, so that the field environment is poor, the motor and the speed reducer are easy to damage and have high maintenance cost, and meanwhile, the rotating shaft end of the double-impeller rotary unloader is easy to damage and is easy to leak air, the negative pressure state inside the dust collector is influenced, and the dust collection effect is not ideal; the heavy hammer flap valve utilizes the gravity of the material pressed on the flap plate to turn over the valve plate, and the continuous blanking can not be realized once the valve plate is turned over and blanking is carried out once, so that the flow rate of the material in a blanking pipeline is low, the fluctuation is large, and the using effect is not ideal; once the double-impeller rotary discharger or the heavy hammer flap valve is damaged, the damage cannot be timely found, the production is influenced, the machine needs to be stopped during maintenance, and the production is delayed.

The utility model has the following contents:

an object of the utility model is to provide a dust collector lock wind unloader.

The utility model discloses by following technical scheme implement: the air locking and discharging device of the dust collector comprises the dust collector, a three-way pipe, a blanking device and an ash receiving hopper, wherein a gas outlet of the dust collector is connected with an air suction inlet pipeline of an induced draft fan, a material outlet of the dust collector is communicated with an inlet of the three-way pipe, two outlets of the three-way pipe are respectively communicated with inlets of the two blanking devices, an outlet of the blanking device is connected with an inlet pipeline of the ash receiving hopper, a first pressure gauge is arranged at the air suction inlet of the induced draft fan, and a second pressure gauge is arranged on the three-way pipe;

lower glassware includes the casing that frame, slope set up, has the rubber lock air curtain of counter weight, the push-pull valve that the slope set up, the entry of push-pull valve does the entry of glassware down, the export of push-pull valve with the entry intercommunication of casing, the export of casing does the export of glassware down, the vertical being fixed with in the casing the frame, the frame is close to export one side of glassware is equipped with down the rubber lock air curtain, the upper end of rubber lock air curtain with the connection can be dismantled to the upper end of frame, the three side of rubber lock air curtain with frame movable contact, casing upper portion is equipped with the access hole, the bottom of access hole articulates there is the access door, be equipped with the observation window on the access door, the top of observation window is equipped with the handle.

Further, the counter weight of rubber lock air curtain is including from top to bottom in proper order the level set up each weight plate on the rubber lock air curtain, the weight plate all through the bolt with the rubber lock air curtain is connected.

The utility model has the advantages that: when the materials enter the shell and impact the rubber lock air curtain, the rubber lock air curtain is opened to a certain height according to the impact force, so that the three-way pipe is kept in a negative pressure state, and the rubber lock air curtain is tightly attached to the frame under the suction action of the negative pressure and the gravity action of the rubber lock air curtain when no impact force exists, so that the air locking effect and continuous blanking are ensured; the rubber air lock curtain is overhauled and replaced through the access hole, a feeder using the rubber air lock curtain does not need to be driven by a motor, the maintenance cost is low, and once the rubber air lock curtain is damaged and abnormal can be timely found through the action of a second pressure gauge and an observation window; one of the two blanking devices is provided with a first blanking device, and under the coordination of the gate valve, when one of the blanking devices is overhauled, the other blanking device can be normally used, so that the normal circulation of materials is ensured in the overhauling process, and the production is ensured.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the structure of the utility model;

in the figure: the device comprises a dust collector 1, a three-way pipe 2, an ash receiving hopper 3, an induced draft fan 4, a feeder 5, a frame 5.1, a shell 5.2, a rubber air lock curtain 5.3, a gate valve 5.4, an access hole 5.5, an access door 5.6, an observation window 5.7, a handle 5.8, a counterweight plate 5.9, a bolt 5.10, a first pressure gauge 6 and a second pressure gauge 7.

The specific implementation mode is as follows:

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in figure 1, the air locking and blanking device of the dust collector comprises a dust collector 1, a three-way pipe 2, blanking devices 5 and an ash receiving hopper 3, wherein an air outlet of the dust collector 1 is connected with an air suction inlet pipeline of an induced draft fan 4, the induced draft fan 4 provides negative pressure for the interior of the dust collector 1, a material outlet of the dust collector 1 is communicated with an inlet of the three-way pipe 2, two outlets of the three-way pipe 2 are respectively communicated with inlets of the two blanking devices 5, one of the two blanking devices 5 is used independently, under the coordination of a gate valve 5.4 of the blanking device, when one blanking device 5 is overhauled, the other blanking device 5 can be normally used, the normal circulation of materials is ensured in the overhauling process, the production is ensured, the outlet of the discharger 5 is connected with an inlet pipeline of the ash receiving hopper 3, a first pressure gauge 6 is arranged at an air suction port of the induced draft fan 4, a second pressure gauge 7 is arranged on the three-way pipe 2, when the dust collector 1 works, the pressure value in the dust collector 1 is adjusted to a required production value through the induced draft fan 4, the first pressure gauge 6 is used for detecting the pressure of the air suction port of the induced draft fan 4, when the discharger 5 runs normally, the numerical values displayed by the first pressure gauge 6 and the second pressure gauge 7 are consistent, and when the numerical value displayed by the second pressure gauge 7 is lower than that of the first pressure gauge 6, the rubber lock air curtain 5.3 leaks air, namely, the rubber lock air curtain 5.3 is damaged or abnormal, and needs to be overhauled and replaced in time;

the blanking device 5 comprises a frame 5.1, a shell 5.2 which is obliquely arranged, a rubber air lock curtain 5.3 with a balance weight and a gate valve 5.4 which is obliquely arranged, the gate valve 5.4 is convenient to switch different flow paths of materials, the gate valve is obliquely arranged at the outlet of the three-way pipe 2, when one blanking device 5 is closed, the materials stacked on the gate valve 5.4 can enter the blanking device 5 at the other side, the inlet of the gate valve 5.4 is the inlet of the blanking device 5, the outlet of the gate valve 5.4 is communicated with the inlet of the shell 5.2, the outlet of the shell 5.2 is the outlet of the blanking device 5, the frame 5.1 is vertically fixed in the shell 5.2, the sealing effect of the frame 5.1 is improved, the rubber air lock curtain 5.3 is arranged at one side of the frame 5.1 close to the outlet of the blanking device 5, the upper end of the rubber air lock curtain 5.3 is detachably connected with the upper end of the frame 5.1, the concrete mode of the detachable connection is bolt connection, the rubber air lock curtain 5.3 is convenient to detach the rubber air lock curtain 5.3, three side edges of the rubber lock air curtain 5.3 are movably contacted with the frame 5.1, when materials enter the shell 5.2 and impact the rubber lock air curtain 5.3, the rubber lock air curtain 5.3 is opened to different heights according to the impact force, so that the three-way pipe 2 maintains a negative pressure state, the rubber lock air curtain 5.3 still maintains an original air locking state under the suction action of the negative pressure and the gravity action of the rubber lock air curtain 5.3 when no impact force exists, the air locking effect and continuous blanking are ensured, the upper part of the shell 5.2 is provided with an access hole 5.6, the bottom of the access hole 5.6 is hinged with an access door 5.6, the access door 5.6 is provided with an observation window 5.7, the top of the observation window 5.7 is provided with a handle 5.8, the circulation condition of the materials and the opening and closing of the rubber lock air curtain 5.3 can be observed through the observation window 5.7, when the rubber lock air curtain 5.3 is damaged, the access door 5.6 is opened, the rubber lock air curtain 5.3 is overhauled and replaced, and the rubber lock air curtain is not required to be driven by a motor, the maintenance cost is low, and through the effect of second manometer 7, observation window 5.7, in case the rubber lock air curtain 5.3 damages the ability in time discover that leaks out.

The counter weight of rubber lock air curtain 5.3 is including from top to bottom each counterweight plate 5.9 of level setting on rubber lock air curtain 5.3 in proper order, and counterweight plate 5.9 all is connected with rubber lock air curtain 5.3 through bolt 5.10, when changing rubber lock air curtain 5.3, conveniently demolishs counterweight plate 5.9 from rubber lock air curtain 5.3.

The working process is as follows:

the gate valve 5.4 of one blanking device 5 is opened, the gate valve 5.4 of the other blanking device 5 is closed, the material of the dust collector 1 is discharged to the dust receiving hopper 3 through the blanking device 5, the negative pressure condition in the material conveying process is detected through a second pressure gauge 7, and once the pressure value displayed by the second pressure gauge 7 is smaller than the pressure value displayed by a first pressure gauge 6, the switch states of the two blanking devices 5 are switched, and the damaged blanking devices 5 are overhauled and replaced.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (2)

1. The air locking and discharging device for the dust collector is characterized by comprising the dust collector, a three-way pipe, a feeder and a dust receiving hopper, wherein a gas outlet of the dust collector is connected with an air suction opening pipeline of an induced draft fan, a material outlet of the dust collector is communicated with an inlet of the three-way pipe, two outlets of the three-way pipe are respectively communicated with inlets of the two feeders, an outlet of the feeder is connected with an inlet pipeline of the dust receiving hopper, a first pressure gauge is arranged at an air suction opening of the induced draft fan, and a second pressure gauge is arranged on the three-way pipe;

lower glassware includes the casing that frame, slope set up, has the rubber lock air curtain of counter weight, the push-pull valve that the slope set up, the entry of push-pull valve does the entry of lower glassware, the export of push-pull valve with the entry intercommunication of casing, the export of casing does the export of lower glassware, the vertical being fixed with in the casing the frame, the frame is close to export one side of lower glassware is equipped with the rubber lock air curtain, the upper end of rubber lock air curtain with the connection can be dismantled to the upper end of frame, the three side of rubber lock air curtain with frame movable contact, casing upper portion is equipped with the access hole, the bottom of access hole articulates there is the access door, be equipped with the observation window on the access door, the top of observation window is equipped with the handle.

2. The dust collector air-locking discharging device according to claim 1, wherein the counterweight of the rubber air-locking curtain comprises counterweight plates horizontally arranged on the rubber air-locking curtain from top to bottom in sequence, and the counterweight plates are connected with the rubber air-locking curtain through bolts.

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