CN213313987U

CN213313987U - Dust collecting equipment monitoring circuit system

Info

Publication number: CN213313987U
Application number: CN202021648699.XU
Authority: CN
Inventors: 石昌辉
Original assignee: Wuxi Yidanuo Technology Co ltd
Current assignee: Wuxi Yidanuo Technology Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-06-01
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a dust collecting equipment monitoring circuit system. The device comprises a PLC control module, an analog input expansion BD plate, a temperature sensor, a pressure sensor, a differential pressure sensor, a flue gate valve, an air flue gate valve, an ash discharge valve and an alarm lamp; the PLC control module is provided with an input interface and an output interface, and is connected with an analog input expansion BD plate, and the analog input expansion BD plate is provided with an access port; the temperature sensor, the pressure sensor and the differential pressure sensor are connected with the access interface through lines; the flue gate valve, the air flue gate valve and the ash discharge valve are respectively connected with an input interface and an output interface of the PLC control module through lines; the alarm lamp is connected with the output interface of the PLC control module through a circuit. The utility model discloses a monitoring advances cigarette temperature, air supply pressure, the pressure differential of giving vent to anger, selects dust collecting equipment deashing opportunity, guarantees dust collecting equipment's normal operating.

Description

Dust collecting equipment monitoring circuit system

The technical field is as follows:

the utility model belongs to the technical field of dust collecting equipment, in particular to dust collecting equipment monitoring circuit system.

Background art:

along with the increase of the service time of the dust remover, the pressure difference of gas before and after passing through the dust remover is also increased, the dust remover needs to be cleaned by a gas source at a proper time, and the problem that how to monitor the pressure difference, the gas source pressure and the smoke inlet temperature needs to be solved.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

The utility model has the following contents:

an object of the utility model is to provide a dust collecting equipment monitoring circuit system to overcome the defect among the above-mentioned prior art.

In order to achieve the above object, the utility model provides a dust collecting equipment monitoring circuit system, include: the device comprises a PLC control module, an analog input expansion BD plate, a temperature sensor, a pressure sensor, a differential pressure sensor, a flue gate valve, an air flue gate valve, an ash discharge valve and an alarm lamp; the PLC control module is provided with an input interface and an output interface, and is connected with an analog input expansion BD plate, and the analog input expansion BD plate is provided with an access port; the temperature sensor, the pressure sensor and the differential pressure sensor are connected with the access interface through lines; the flue gate valve, the air flue gate valve and the ash discharge valve are respectively connected with an input interface and an output interface of the PLC control module through lines; the alarm lamp is connected with the output interface of the PLC control module through a circuit; the PLC control module carries out corresponding treatment according to whether the smoke temperature, the air source pressure and the air outlet pressure difference fall into a set value range or not by monitoring the smoke inlet temperature, the air source pressure and the air outlet pressure difference.

Preferably, in the technical scheme, the PLC control module is selected from the XinjiXC 3-24R.

Preferably, in the technical scheme, the analog input extension BD board is selected from the Xinjie XC-E4 AD-H.

Compared with the prior art, the utility model discloses following beneficial effect has:

the normal operation of the dust removing equipment is ensured by monitoring the smoke inlet temperature, the air source pressure and the air outlet pressure difference and selecting the ash removing time of the dust removing equipment.

Description of the drawings:

FIG. 1 is a circuit diagram of a PLC control module of a monitoring circuit system of the dust removing device of the utility model;

FIG. 2 is a circuit diagram of the analog input expanded BD board of the present invention;

FIG. 3 is a schematic structural view of the present invention;

the reference signs are: 1-temperature sensor, 2-pressure sensor, 3-differential pressure sensor, 4-flue gate valve, 5-air flue gate valve and 6-ash discharge valve.

The specific implementation mode is as follows:

the following detailed description of the embodiments of the present invention is provided, but it should be understood that the scope of the present invention is not limited by the embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

Example 1

As shown in fig. 1-3, a monitoring circuit system for dust removing equipment comprises a PLC control module, an analog input expansion BD board, a temperature sensor 1, a pressure sensor 2, a differential pressure sensor 3, a flue gate valve 4, an airway gate valve 5, an ash valve 6, and an alarm lamp; the PLC control module selects the signal agility XC3-24R, an input interface X0-X21 and an output interface Y0-Y5 are arranged on the PLC control module, the PLC control module is connected with two analog input extension BD plates and is used for controlling two dust removing devices, the analog input extension BD plates select the signal agility XC-E4AD-H, and an analog input access port AI0-AI3 is arranged on the analog input extension BD plates; the temperature sensor 1 is connected with an access port AI2 through a line, the pressure sensor 2 is connected with an access port AI0 through a line, and the differential pressure sensor 3 is connected with an access port AI1 through a line; the flue gate valve 4 is connected with a PLC control module input interface X1 through a line and is connected with an output interface Y1 through a relay KA 1; the air flue gate valve 5 is connected with an input interface X2 of the PLC control module through a line and is connected with an output interface Y2 through a relay KA 2; the ash discharge valve 6 is connected with an output interface Y3 through a relay KA 3; the alarm lamp is connected with a PLC control module output interface Y0 through a circuit.

The range of the flue gas temperature in the flue gas inlet pipeline, the range of the gas inlet pressure of a gas source and the range of the gas pressure difference are preset, and when the range exceeds the set range or the lowest value of the set range is not reached, the PLC control module controls an alarm lamp to give an alarm; when the dust removal equipment operates, the temperature sensor 1 transmits the temperature data of the flue gas in the flue gas inlet pipeline to the PLC control module in real time, when the temperature exceeds a set range, the PLC control module sends a closing command to the flue gate valve 4, and the flue gate valve 4 is closed and then feeds back to the PLC control module; when data monitored by the differential pressure sensor 3 shows that the gas differential pressure range exceeds a set value, the situation that excessive dust is accumulated on a cloth bag in the dust removal equipment and the dust needs to be removed is shown, the PLC control module sends an opening command to the air flue gate valve 5, a gas source discharges high-pressure gas into the dust removal equipment, the cloth bag is backflushed, and the accumulated dust is flushed down; the pressure sensor 2 transmits the pressure in the air passage to the PLC control module in real time, so that whether the gas pressure is in a proper range can be monitored in real time, and when the gas pressure exceeds a set range or does not reach the lowest pressure, the gas source is adjusted; after the gas backflushing is finished, the PLC control module sends a closing command to the airway gate valve 5, and the airway gate valve 5 is fed back to the PLC control module after being closed; after the dust removing equipment runs for a period of time, the PLC control module can control the ash discharge valve 6 to be opened, and the falling smoke dust is cleaned; the normal operation of the dust removing equipment is ensured by monitoring the smoke inlet temperature, the air source pressure and the air outlet pressure difference and selecting the ash removing time of the dust removing equipment.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. The utility model provides a dust collecting equipment monitoring circuitry which characterized in that: the device comprises a PLC control module, an analog input expansion BD plate, a temperature sensor, a pressure sensor, a differential pressure sensor, a flue gate valve, an air flue gate valve, an ash discharge valve and an alarm lamp; the PLC control module is provided with an input interface and an output interface, and is connected with an analog input expansion BD plate, and the analog input expansion BD plate is provided with an access port; the temperature sensor, the pressure sensor and the differential pressure sensor are connected with the access interface through lines; the flue gate valve, the air flue gate valve and the ash discharge valve are respectively connected with an input interface and an output interface of the PLC control module through lines; the alarm lamp is connected with the output interface of the PLC control module through a circuit.

2. The dust extraction device monitoring circuitry of claim 1, wherein: the PLC control module selects the agility XC 3-24R.

3. The dust extraction device monitoring circuitry of claim 1, wherein: and the analog quantity input extension BD board selects the agility XC-E4 AD-H.