SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a dust remover and dust remover pressure differential detection system to acquire the pressure differential state of dust remover in real time.
In a first aspect, an embodiment of the present invention provides a dust remover, comprising a dust remover body and a differential pressure sensor, wherein the differential pressure sensor is provided with a low pressure input end, a high pressure input end and a differential pressure output end,
the low-pressure input end is connected with an outlet of the dust remover body, the high-pressure input end is connected with an inlet of the dust remover body, and the differential pressure sensor is used for acquiring the differential pressure of the dust remover and outputting a sensing signal from the differential pressure output end.
Optionally, filters are disposed between the low-pressure input end and the outlet of the dust remover body, and between the high-pressure input end and the inlet of the dust remover body, and the filters are used for filtering the gas entering the differential pressure sensor.
Optionally, an inlet path of the high-pressure input end is connected with a blowing device, and the blowing device is used for spraying compressed gas with set pressure to the high-pressure input end so as to clean the high-pressure input end.
Optionally, the blowing device is connected between the high-voltage input end and the corresponding filter.
Optionally, the inlet of the dust remover body is communicated with the high-pressure input end through a first pipeline; the blowing device is communicated with the first pipeline through a second pipeline, and a control switch and a pressure reducing valve are arranged on the second pipeline.
Optionally, the high-pressure input end is communicated with the filter and the blowing device through a three-way valve.
Optionally, the dust remover is a pulse bag dust remover.
In a second aspect, the embodiment of the present invention further provides a dust remover pressure difference detection system, which comprises a controller, the controller is connected with a plurality of arbitrary embodiments the pressure difference sensor of the dust remover is electrically connected, the controller is used for outputting a corresponding trigger signal based on the sensing signal.
Optionally, the controller comprises a pressure comparison module and a communication module, wherein,
the pressure comparison module is used for comparing the received differential pressure information with a set pressure threshold value and outputting a corresponding trigger signal based on a comparison result;
the communication module is used for sending a maintenance signal to a preset terminal based on the trigger signal. Optionally, the system further comprises a display screen and an alarm electrically connected with the controller, wherein,
the display screen is used for displaying the pressure difference information of each dust remover;
and the alarm is used for giving an alarm by sound and/or light when receiving the trigger signal.
The embodiment of the utility model provides a through connect differential pressure sensor at the dust remover, differential pressure sensor's high pressure input communicates the entry of dust remover body, with the high-pressure signal who acquires the dust remover, the export of low pressure input intercommunication dust remover body, with the low-pressure signal who acquires the dust remover, rethread differential pressure output is to the pressure difference detection signal of dust remover, thereby can feed back the pressure difference information of dust remover to the external system, the problem of the pressure difference information that the dust remover only can carry out the unit demonstration among the prior art and can not in time acquire the dust remover has been solved, realize automatic monitoring the pressure differential state of dust remover, thereby when the pressure difference of dust remover goes wrong, can in time discover and overhaul.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is the embodiment of the utility model provides a pair of structure schematic diagram of dust remover, this dust remover can convey differential pressure signal to outside control system automatically, as shown in fig. 1, this dust remover includes dust remover body 1 and differential pressure sensor 4, differential pressure sensor 4 is provided with the low pressure input, high pressure input and pressure difference output, the low pressure input links to each other with the export 3 of dust remover body 1, the high pressure input links to each other with the entry 2 of dust remover body 1, differential pressure sensor 4 is used for acquireing the pressure differential of dust remover, from differential pressure output sensor signal.
The differential pressure sensor 4 outputs a sensing signal through the differential pressure output end to realize automatic output of the differential pressure of the dust remover, so that the differential pressure state of the dust remover can be automatically monitored based on the sensing signal output by the differential pressure output end.
In one embodiment, the precipitator is a bag-type pulse precipitator. Tail gas in the production process enters the dust remover body 1 through the inlet 2 of the dust remover, and the tail gas is filtered in the dust remover body 1. The filtered tail gas is discharged through an outlet 3 of the pulse dust collector. A compressed air cleaning component 6 is arranged in the dust collector body 1 and used for cleaning a cloth bag of the dust collector. The high-pressure input end of the differential pressure sensor 4 is connected with the inlet 2 of the dust remover through a connecting hose, the low-pressure input end of the differential pressure sensor 4 is connected with the outlet 3 of the dust remover through a connecting hose, and therefore the differential pressure state of the dust remover is detected by the differential pressure sensor 4.
In one embodiment, the differential pressure output end of the differential pressure sensor 4 is connected to the control system, so that the control system can automatically acquire the differential pressure device of the dust remover, and thus the online automatic monitoring of the differential pressure state of the dust remover is realized through the control system.
To avoid the problem of the differential pressure display system being prone to clogging, in one embodiment the air entering the differential pressure sensor 4 is filtered, specifically:
filters 5 are arranged between the low-pressure input end of the differential pressure sensor and the outlet 3 of the dust remover body 1 and between the high-pressure input end of the differential pressure sensor and the inlet 2 of the dust remover body 1, and the filters 5 are used for filtering gas entering the differential pressure sensor 4.
All set up filter 5 through two entrances at differential pressure sensor 4, filtered the gas that gets into differential pressure sensor 4 by filter 5 to alleviate dust and two entrances of differential pressure sensor 4 and transmission path's pile up, alleviated differential pressure sensor 4's jam problem.
In order to further solve the problem of clogging of the differential pressure sensor 4, in one embodiment the differential pressure sensor 4 is further connected with a blowing device 11, in particular,
the inlet path of the high-pressure input end of the differential pressure sensor is connected with a blowing device 11, and the blowing device 11 is used for spraying compressed gas with set pressure to the high-pressure input end so as to clean the high-pressure input end.
According to the analysis, the gas at the outlet 3 of the dust remover is the filtered clean gas, so the low-pressure input end of the differential pressure sensor 4 communicated with the outlet 3 of the dust remover and the transmission pipeline thereof are not easy to be blocked; the high-pressure input end is connected with the inlet 2 of the dust remover body 1, and the gas at the inlet 2 of the dust remover is not purified, so that the high-pressure input end connected with the inlet 2 is easily blocked by impurities such as dust and the like. This embodiment is through connecting blast apparatus 11 on the entry route at high pressure input end, by blast apparatus 11 to the high pressure input end injection have certain pressure compressed gas, clean high pressure input end and communicating pipe to further solved the easy problem of blockking up of differential pressure sensor 4, guaranteed that differential pressure sensor 4 can normally work.
On the basis of the technical scheme, optionally, the blowing device 11 is connected between the high-pressure input end and the corresponding filter 5, so that the filter 5 and a communication pipeline of the high-pressure input end are cleaned through the blowing device 11.
In one embodiment, the inlet 2 of the precipitator body 1 communicates with the high pressure input through a first conduit 7; the blowing device 11 is communicated with the first pipeline 7 through a second pipeline 8, and a control switch 10 and a pressure reducing valve 9 are arranged on the second pipeline 8.
The control switch 10 is used for controlling the on-off of the second pipeline 8, and when the control switch 10 is opened, the blowing device 11 sprays compressed gas with set pressure to the high-pressure input end and the corresponding filter 5 for cleaning. The pressure reducing valve 9 is used to regulate the input compressed air to the set pressure so that the injected compressed air meets the pressure requirements of the differential pressure sensor 4, avoiding damage to the differential pressure sensor 4.
In one embodiment, the dust remover performs a cleaning operation when the dust remover is turned on and off. Specifically, the control switch 10 responds to the received power-on command or power-off command, and starts the blowing device 11 to inject compressed gas to the high-pressure input end and the corresponding filter 5, so as to perform a cleaning operation.
Optionally, the high-pressure input end is communicated with the corresponding filter 5 and the blowing device 11 through a three-way valve, so that a T-shaped connection is formed between the second pipeline 8 connected with the high-pressure input end and the first pipeline 7 communicated with the blowing device 11, and the blowing device 11 can clean the filter 5 and the high-pressure input end.
The working principle of the dust remover is as follows: the dust remover outputs a sensing signal to external equipment through the connected differential pressure sensor, and a worker can judge the differential pressure state of the dust remover based on the acquired sensing signal, so that the online monitoring of the differential pressure state of the dust remover is realized.
The embodiment of the utility model provides a technical scheme, through connecting differential pressure sensor at the dust remover, differential pressure sensor's high pressure input communicates the entry of dust remover body, with the high-pressure signal who acquires the dust remover, the export of low pressure input intercommunication dust remover body, with the low-pressure signal who acquires the dust remover, the differential pressure detection signal to the dust remover of rethread differential pressure output, thereby can feed back the pressure difference information of dust remover to the external system, the problem of the dust remover can only carry out the unit demonstration and can not in time acquire the pressure difference information of dust remover among the prior art has been solved, realize automatic monitoring the pressure differential state of dust remover, thereby when the pressure difference of dust remover goes wrong, can in time discover and overhaul.
The embodiment of the utility model provides a still provide a dust remover pressure differential detecting system, figure 2 is the structural schematic diagram of a pressure differential detecting system that this embodiment provided, refers to figure 2, and this dust remover pressure differential detecting system 210 includes controller 211, and controller 211 is with a plurality of the utility model discloses the pressure differential sensor electricity of the dust remover that any embodiment provided is connected, and controller 211 is used for the triggering signal based on sensing signal output corresponds.
The controller 211 is electrically connected to the plurality of differential pressure sensors, so that the differential pressure detection system can simultaneously acquire the differential pressure states of the plurality of dust collectors, that is, the differential pressure detection system can monitor the differential pressure states of the connected dust collectors on line.
The controller 211 in the differential pressure detecting system outputs a corresponding trigger signal through calculation according to the acquired sensing signal of each differential pressure sensor, and the trigger signal can be used for activating a corresponding functional device, for example, the connected alarm 230 can be activated through the trigger signal, and a voice alarm is performed.
In one embodiment, the controller 211 includes a pressure comparing module (not shown) and a communication module (not shown), and the pressure comparing module is configured to compare the received sensing signal with a set pressure threshold and output a corresponding trigger signal based on the comparison result.
The communication module is used for sending a maintenance signal to a preset terminal based on the trigger signal. For example, the terminal information of the maintenance personnel can be configured in advance in the pressure difference detection system 210, the controller 211 generates one path of trigger signal based on the sensing signal and is used for triggering the communication module, and the communication module generates maintenance information at least including the serial number of the dust remover and sends the maintenance information to the pre-configured terminal after receiving the trigger signal, so that the maintenance personnel can remotely and automatically acquire the fault information of the dust remover through the terminal, and the maintenance personnel can further conveniently and rapidly maintain.
In one embodiment, the differential pressure sensing system further comprises a display screen 220 and an alarm 230 electrically connected to the controller 211, wherein,
the display screen 220 is used for displaying the pressure difference information of each dust remover;
the alarm 230 is adapted to sound and/or light an alarm upon receiving the trigger signal.
The display screen 220 may be used to display the pressure difference information of each dust remover, for example, the pressure difference information may be correspondingly displayed according to the serial number of the dust remover, so that the worker may visually know the pressure difference state of each dust remover through the screen.
The alarm 230 is used to alert the operator of an abnormal differential pressure across the dust collector by sending an audible and/or visual signal. For example, a voice alarm may be provided by a buzzer, and/or a light alarm may be provided by an LED lamp. Alternatively, the controller 211 may output a different trigger signal based on the comparison of the sensed signal to the pressure threshold. For example, when the sensing signal is greater than the pressure threshold, a first trigger signal is output to instruct the alarm 230 to alarm according to a first voice signal and/or a first light signal, for example, a rapid voice signal is sent and/or a high-frequency flashing signal is sent to alarm; when the sensing signal is smaller than the pressure threshold, a second trigger signal is output for instructing the alarm 230 to alarm according to a second voice signal and/or a second light signal, for example, a gentle voice signal and/or a low-frequency flashing signal is sent to alarm. So that the worker can judge the differential pressure state of the dust collector according to the alarm signal of the alarm 230. In one embodiment, the dust collector is a bag-type pulse dust collector, wherein the differential pressure state of the differential pressure sensor and the bag-type pulse dust collector have the following corresponding relationship:
when the sensing signal output by the differential pressure sensor is higher than the set pressure threshold value, the problem of a cloth bag in the cloth bag type pulse dust collector or a component for cleaning compressed air or other equipment is indicated, and accordingly, workers can directly conduct targeted maintenance;
when the sensing signal output by the differential pressure sensor is lower than the set pressure threshold value, the installation problem of a cloth bag in the cloth bag type pulse dust collector or the problems of other equipment in the dust collector are indicated.
Therefore, the working personnel can directly position the dust remover with abnormal pressure difference state according to the alarm signal and/or the screen display information and preliminarily judge the corresponding problems of the corresponding dust remover.
According to the technical scheme of the embodiment, the pressure difference detection system is electrically connected with the pressure difference sensor of each dust remover, so that the pressure difference detection system can acquire the pressure difference state of each dust remover in real time; the differential pressure detection system outputs a corresponding trigger signal based on the sensing signal so as to drive corresponding functional devices to assist workers in judging the differential pressure state of the dust remover.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.