CN215063580U

CN215063580U - Control system of grain drying tower

Info

Publication number: CN215063580U
Application number: CN202023036265.7U
Authority: CN
Inventors: 许雪楠; 陈壹杰; 冯雨; 隋海然; 刘菲; 田晓霞; 张志鑫
Original assignee: Jilin Hongri New Energy Co ltd
Current assignee: Jilin Hongri New Energy Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-12-07
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a control system of grain drying tower, include: a first display unit; first the control unit, it is in first display element shows that first control interface, first control interface includes menu fence and figure operating area, the menu fence includes a plurality of control module, to individual hot-blast furnace constitutional unit one-to-one, control hot-blast furnace passes through the utility model discloses a grain drying tower's control system combines temperature, pressure sensor, batcher frequency conversion control, grate frequency conversion control that arrange in the furnace, and air-blower, secondary fan, return air fan, draught fan frequency conversion control and oxygen content's detection can directly perceivedly master hot-blast furnace combustion state, under the prerequisite that satisfies heat exchanger entry position hot air temperature amount of wind, makes the boiler burn under optimal condition, avoids biomass fuel coking slagging scorification, can't burn to required hot-blast temperature condition, and boiler combustion efficiency is high, discharges up to standard, practices thrift the fuel cost.

Description

Control system of grain drying tower

Technical Field

The utility model belongs to the technical field of the grain is dried, especially, relate to a control system of grain drying tower.

Background

The environmental protection requirement of changing a coal-fired hot blast stove into a biomass hot blast stove is just started, and the existing changing technology has some defects. Most of the combustion changing schemes are to slightly change the structure of the original coal-fired furnace, for example, only a flue gas recirculation inlet is added on the original structure or a row of secondary air pipes are arranged on the side surface of a hearth, the problems of coking and the like caused by the characteristics of biomass fuel are not considered, and the related motors and control systems of the original hot-blast furnace and the drying tower only have simple start-stop control, so that the optimal control of the hot-blast furnace and the drying tower cannot be realized.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

The utility model aims at providing a control system of grain drying tower can't carry out the technical problem adjusted to the grain drying tower in order to solve prior art.

(II) technical scheme

In order to solve the above problem, a first aspect of the present invention provides a control system for a grain drying tower, including: a first display unit; the first control unit is used for displaying a first control interface on the first display unit, the first control interface comprises a menu bar and a graphic operation area, the menu bar comprises a plurality of control modules, the graphic operation area is used for displaying operation graphics corresponding to the control modules, the control modules comprise a hot blast stove system control module, when the hot blast stove system control module is selected based on selection operation, the graphic operation area displays hot blast stove system operation graphics corresponding to the hot blast stove system control module, and the hot blast stove system operation graphics comprise: the hot blast stove is composed of hot blast stove structural units; the hot blast stove structure unit operation controls correspond to the hot blast stove structure units one by one, and the hot blast stove structure unit operation controls control the corresponding hot blast stove structure units based on control instructions; wherein, hot blast stove constitutional unit operation control includes: the fire grate control part is used for controlling the fire grate, comprises a sliding block and controls the rotating speed of the fire grate based on the sliding operation of the sliding block; the feeding machine control comprises a sliding block, and the rotating speed of the feeding machine is controlled based on the sliding operation of the sliding block; the feeding machine control part is used for controlling the feeding machine, comprises a sliding block and is used for controlling the rotating speed of the feeding machine based on the sliding of the sliding block; the induced draft fan control is used for controlling an induced draft fan, comprises a sliding block and is used for controlling the air intake of the induced draft fan based on the sliding of the sliding block; the backflow fan control is used for controlling the backflow fan, comprises a sliding block and is used for controlling the air inlet volume of the backflow fan based on the sliding operation of the sliding block; the secondary fan control is used for controlling the secondary fan and comprises a sliding block, and the air inlet quantity of the secondary fan is controlled based on the sliding operation of the sliding block; and the blower control is used for controlling the blower and comprises a sliding block, and the air inlet amount of the blower is controlled based on the sliding operation of the sliding block.

Further, the hot blast stove system operation pattern further comprises: a furnace temperature graph, an upper furnace temperature graph, a furnace outlet pressure graph, a return air temperature graph, a return air pressure graph, a heat exchanger inlet temperature graph, a heat exchanger inlet pressure graph, a heat exchanger outlet temperature graph, a heat exchanger outlet pressure graph, a waste heat recoverer temperature graph, a waste heat recoverer pressure graph, a bag-type dust remover inlet temperature graph, one or more of a bag-type dust collector inlet pressure graph, a bag-type dust collector outlet temperature graph, a bag-type dust collector outlet pressure graph, a bag-type dust collector outlet and flue pressure difference graph, a smoke exhaust temperature graph, a smoke exhaust pressure graph, a pressure difference graph of a multi-pipe dust collector inlet and outlet, a bag-type dust collector inlet and outlet pressure difference graph, a smoke oxygen content graph, a secondary air temperature pressure graph, an air blast temperature graph and an air blast temperature graph pressure graph.

Further, the control module further includes a drying tower control module, when the drying tower control module is selected based on a selection operation, the graph operation area displays a drying tower operation graph corresponding to the drying tower control module, and the drying tower operation graph includes: the structure schematic diagram of the drying tower is composed of the drying tower structure units; the drying tower structure unit operation controls correspond to the drying tower structure units one by one, and the drying tower structure unit operation controls control over the corresponding drying tower structure units based on control instructions; wherein the drying tower structure unit operation control comprises: the elevator control is used for controlling the elevator, and the elevator control controls the elevator to operate based on the determined operation; the grain discharging motor control is used for controlling the grain discharging motor, comprises a sliding block and is used for controlling the rotating speed of the secondary fan based on the sliding operation of the sliding block; the under-tower belt conveyor control is used for controlling the under-tower belt conveyor, comprises a sliding block and is used for controlling the rotating speed of the under-tower belt conveyor based on the sliding operation of the sliding block; the cold air motor control is used for controlling the cold air motor, comprises a sliding block and controls the rotating speed of the cold air motor based on the sliding operation of the sliding block; the three-section hot air motor control is used for controlling the three-section hot air motor, comprises a sliding block and is used for controlling the rotating speed of the three-section hot air motor based on the sliding operation of the sliding block; the second-stage hot air motor control is used for controlling the second-stage hot air motor, comprises a sliding block and is used for controlling the rotating speed of the second-stage hot air motor based on the sliding operation of the sliding block; the hot air motor control is used for controlling the hot air motor, comprises a sliding block and is used for controlling the rotating speed of the hot air motor based on the sliding operation of the sliding block; the screen fan control is used for controlling the screen fan and comprises a sliding block, and the air inlet amount of the screen fan is controlled based on the sliding operation of the sliding block; the screen hoisting machine control is used for controlling the screen hoisting machine, comprises a sliding block and is used for controlling the height of the screen based on the sliding of the sliding block; and the trench belt control is used for controlling the trench belt and controlling the trench belt to run based on the determined operation.

Further, the drying tower operation pattern further includes: one or more of a first-stage hot air temperature pattern, a second-stage hot air temperature pattern, a third-stage hot air temperature pattern, a tower material level high pattern, a first-stage grain temperature pattern, a first-stage grain water content pattern, a second-stage grain temperature pattern, a second-stage grain water content pattern, a third-stage grain temperature pattern, a third-stage grain water content pattern and a cold air section grain temperature pattern.

Further, control module still includes material loading slag tapping system control module, selects based on the selection operation during material loading slag tapping system control module, the figure operation area show with the material loading slag tapping system operation figure that material loading slag tapping system control module corresponds, material loading slag tapping system operation figure includes: the structural schematic diagram of the feeding and deslagging system is composed of structural units of the feeding and deslagging system; the loading and deslagging system structural unit operation control part is in one-to-one correspondence with the loading and deslagging system structural units, and controls the corresponding loading and deslagging system structural units based on a control command; wherein, material loading slag tapping system constitutional unit operation controlling part includes: and the feeding machine control is used for controlling the feeding machine, and the feeding machine control controls the feeding machine to run based on the determined operation.

Further, the operation diagram of the feeding and deslagging system further comprises: and the slag remover control is used for controlling the operation of the slag remover based on the determined operation.

Further, the control module further comprises: and the parameter display control module is used for displaying the hot blast stove data display control unit and the drying tower data display control unit in the graphic operation area when the parameter display control module is selected based on selection operation.

Further, when the hot blast stove data display control unit is selected based on a selection operation, the graphic operation area displays a hot blast stove data graphic, and the hot blast stove data graphic comprises: the hot blast stove structure unit operation controls correspond to the hot blast stove structure units one by one, and the hot blast stove structure unit operation controls control the corresponding hot blast stove structure units based on the control instruction; wherein, hot blast stove constitutional unit operation control includes: the material loading machine running control is used for controlling the material loading machine, the hoisting machine control controls the material loading machine to start based on the determined operation, and controls the material loading machine to stop based on the cancel operation; the slag remover operation control is used for controlling the slag remover, the lifter control controls the start of the slag remover based on the determined operation and controls the stop of the slag remover based on the cancel operation; the grate operation control is used for controlling the grate, the elevator control controls the grate to be started based on the determined operation, and controls the grate to be stopped based on the cancel operation; the feeder operation control is used for controlling the feeder, the hoister control controls the feeder to start based on the determined operation, and controls the feeder to stop based on the cancel operation; the draught fan operation control is used for controlling the draught fan, the hoisting machine control controls the draught fan to start based on the determination operation, and controls the draught fan to stop based on the cancellation operation; the running control of the backflow fan is used for controlling the backflow fan, the lifting machine control controls the backflow fan to be started based on the determined operation, and controls the backflow fan to be stopped based on the cancelled operation; the secondary fan operation control is used for controlling the secondary fan, the elevator control controls the secondary fan to be started based on the determined operation, and controls the secondary fan to be stopped based on the cancel operation; and the air blower running control is used for controlling the air blower, and the lifting machine control controls the air blower to be started based on the determined operation and controls the air blower to be stopped based on the cancel operation.

Further, the hot blast stove data graph further comprises: a hot blast stove data display unit which displays hearth temperature data, upper hearth temperature data, hearth outlet pressure data, return air temperature data, return air pressure data, heat exchanger inlet temperature data, heat exchanger inlet pressure data, heat exchanger outlet temperature data, heat exchanger outlet pressure data, waste heat recoverer temperature data, waste heat recoverer pressure data, bag-type dust remover inlet temperature data, bag-type dust collector inlet pressure data, bag-type dust collector outlet temperature data, bag-type dust collector outlet pressure data, bag-type dust collector outlet and flue pressure difference value data, exhaust gas temperature data, exhaust gas pressure data, multi-pipe dust collector inlet and outlet pressure difference value data, bag-type dust collector inlet and outlet pressure difference value data, flue gas oxygen content data, secondary air temperature pressure data, air blast temperature data and air blast temperature data pressure data.

Further, when the drying tower data display control unit is selected based on a selection operation, the graph operation area displays a drying tower data graph, and the drying tower data graph includes: the drying tower structure unit operation controls correspond to the drying tower structure units one by one, and the drying tower structure unit operation controls control over the corresponding drying tower structure units based on control instructions; wherein the drying tower structure unit operation control comprises: the elevator running control is used for controlling the elevator, the elevator control controls the elevator to start based on the determined operation, and controls the elevator to stop based on the cancel operation; the grain discharging motor running control is used for controlling the grain discharging motor, the grain discharging motor control controls the grain discharging motor to start based on the determination operation, and controls the grain discharging motor to stop based on the cancellation operation; the cold air motor running control is used for controlling the cold air motor, the cold air motor control controls the cold air motor to be started based on the determined operation, and controls the cold air motor to be stopped based on the cancellation operation; the screen fan operation control is used for controlling the screen fan, the screen fan control controls the screen fan to be started based on the determination operation, and controls the screen fan to be stopped based on the cancellation operation; the screen elevator control is used for controlling the screen elevator, controlling the screen elevator to start based on the determination operation, and controlling the screen elevator to stop based on the cancellation operation; the trench belt conveyor running control is used for controlling the trench belt conveyor, the trench belt conveyor control controls the trench belt conveyor to start based on the determined operation, and controls the trench belt conveyor to stop based on the cancel operation; the hot air motor control part is used for controlling the hot air motor, controlling the starting of the hot air motor on the basis of the determined operation and controlling the stopping of the hot air motor on the basis of the cancellation operation; the second-stage hot air motor running control is used for controlling the second-stage hot air motor, the second-stage hot air motor control controls the second-stage hot air motor to be started based on the determined operation, and controls the second-stage hot air motor to be stopped based on the cancel operation; the three-section hot air motor running control is used for controlling the three-section hot air motor, controlling the three-section hot air motor to be started based on the determined operation, and controlling the three-section hot air motor to be stopped based on the cancel operation; the operation control of the belt conveyor under the tower is used for controlling the belt conveyor under the tower, and the belt conveyor under the tower is controlled to start based on the determined operation and to stop based on the cancel operation by the control of the belt conveyor under the tower.

Further, the hot blast stove data graph further comprises: and the hot blast stove data display unit displays first-stage hot air temperature data, second-stage hot air temperature data, third-stage hot air temperature data, tower material level material height data, first-stage grain temperature data, first-stage grain water content data, second-stage grain temperature data, second-stage grain water content data, third-stage grain temperature data, third-stage grain water content data and cold air section grain temperature data.

Further, the control module further comprises: the emergency stop control module is selected based on selection operation, and the graphic operation area displays an emergency stop control of the hot blast stove and an emergency stop control of the drying tower; the hot blast stove emergency stop controls correspond to the hot blast stove structural units one by one, and the hot blast stove is controlled to stop working when the hot blast stove emergency stop controls are selected based on selection operation; the drying tower emergency stop control pieces correspond to the drying tower structure units one by one, and the drying tower is controlled to stop working when the drying tower emergency stop control pieces are selected based on selection operation.

(III) advantageous effects

The above technical scheme of the utility model has following profitable technological effect:

through the utility model discloses a control system of grain drying tower, the temperature of arranging in combining furnace, pressure sensor, batcher frequency conversion control, grate machine frequency conversion control, the air-blower, the secondary air fan, the backflow fan, draught fan frequency conversion control and oxygen content's detection, can grasp hot-blast furnace combustion state directly perceivedly, under the prerequisite that satisfies heat exchanger entry position hot air temperature amount of wind, make the boiler burn under optimal condition, avoid biomass fuel coking slagging scorification, can't burn to required hot air temperature condition, boiler combustion efficiency is high, discharge up to standard, the fuel economy cost.

Drawings

Fig. 1 is a schematic view of a first control interface according to an embodiment of the present invention.

Fig. 2 is a schematic view of a first control interface according to another embodiment of the present invention.

Fig. 3 is a schematic diagram of an operation of a hot blast stove system according to an embodiment of the present invention.

Figure 4 is a schematic diagram of a drying tower operation according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of an operation of a feeding and tapping system according to an embodiment of the present invention.

Fig. 6 is a schematic diagram of a parameter display control module according to an embodiment of the present invention.

Fig. 7 is a schematic diagram of a hot blast stove data graph according to an embodiment of the present invention.

Fig. 8 is a data pattern diagram of a drying tower according to an embodiment of the present invention.

Fig. 9 is a schematic diagram of an emergency stop control module according to an embodiment of the present invention.

Reference numerals:

100: a furnace temperature graph, an upper furnace temperature graph, a furnace outlet pressure graph, a return air temperature graph, a return air pressure graph, a heat exchanger inlet temperature graph, a heat exchanger inlet pressure graph, a heat exchanger outlet temperature graph, a heat exchanger outlet pressure graph, a waste heat recoverer temperature graph, a waste heat recoverer pressure graph, a bag-type dust remover inlet temperature graph, one or more of a bag-type dust collector inlet pressure graph, a bag-type dust collector outlet temperature graph, a bag-type dust collector outlet pressure graph, a bag-type dust collector outlet and flue pressure difference graph, a smoke exhaust temperature graph, a smoke exhaust pressure graph, a pressure difference graph of a multi-pipe dust collector inlet and outlet, a bag-type dust collector inlet and outlet pressure difference graph, a smoke oxygen content graph, a secondary air temperature pressure graph, an air blast temperature graph and an air blast temperature graph pressure graph.

200: one or more of a first-stage hot air temperature pattern, a second-stage hot air temperature pattern, a third-stage hot air temperature pattern, a tower material level high pattern, a first-stage grain temperature pattern, a first-stage grain water content pattern, a second-stage grain temperature pattern, a second-stage grain water content pattern, a third-stage grain temperature pattern, a third-stage grain water content pattern and a cold air section grain temperature pattern.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

A schematic diagram of a layer structure according to an embodiment of the invention is shown in the drawing. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity. The shapes of various regions, layers, and relative sizes and positional relationships therebetween shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, as actually required.

It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by like reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.

As shown in fig. 1, 2 and 3, according to an implementation manner of an embodiment of the present invention, there is provided a control system of a grain drying tower, including: a first display unit; the first control unit is used for displaying a first control interface on the first display unit, the first control interface comprises a menu bar and a graphic operation area, the menu bar comprises a plurality of control modules, the graphic operation area is used for displaying operation graphics corresponding to the control modules, the control modules comprise a hot blast stove system control module, when the hot blast stove system control module is selected based on selection operation, the graphic operation area displays hot blast stove system operation graphics corresponding to the hot blast stove system control module, and the hot blast stove system operation graphics comprise: the hot blast stove is composed of hot blast stove structural units; the hot blast stove structure unit operation controls correspond to the hot blast stove structure units one by one, and the hot blast stove structure unit operation controls control the corresponding hot blast stove structure units based on control instructions; wherein, hot blast stove constitutional unit operation control includes: the fire grate control part is used for controlling the fire grate, comprises a sliding block and controls the rotating speed of the fire grate based on the sliding operation of the sliding block; the feeding machine control comprises a sliding block, and the rotating speed of the feeding machine is controlled based on the sliding operation of the sliding block; the feeding machine control is used for controlling the feeding machine, comprises a sliding block and is used for controlling the rotating speed of the feeding machine based on the sliding of the sliding block; the induced draft fan control is used for controlling an induced draft fan, comprises a sliding block and is used for controlling the air intake of the induced draft fan based on the sliding of the sliding block; the backflow fan control is used for controlling the backflow fan, comprises a sliding block and is used for controlling the air inlet volume of the backflow fan based on the sliding operation of the sliding block; the secondary fan control is used for controlling the secondary fan and comprises a sliding block, and the air inlet quantity of the secondary fan is controlled based on the sliding operation of the sliding block; and the blower control is used for controlling the blower and comprises a sliding block, and the air inlet amount of the blower is controlled based on the sliding operation of the sliding block. Through the utility model discloses a control system of grain drying tower, the temperature of arranging in combining furnace, pressure sensor, batcher frequency conversion control, grate machine frequency conversion control, the air-blower, the secondary air fan, the backflow fan, draught fan frequency conversion control and oxygen content's detection, can grasp hot-blast furnace combustion state directly perceivedly, under the prerequisite that satisfies heat exchanger entry position hot air temperature amount of wind, make the boiler burn under optimal condition, avoid biomass fuel coking slagging scorification, can't burn to required hot air temperature condition, boiler combustion efficiency is high, discharge up to standard, the fuel economy cost.

The utility model discloses a control system of grain drying tower is based on reasonable distribution furnace inner structure, and the reasonable low nitrogen combustion technique of rethread improves measures such as boiler output, makes the system reach steady operation state after, when letting the heat of fuel release in unit interval reach the required ideal temperature of grain stoving, falls to its total fuel calorific loss to minimum, improves boiler output and thermal efficiency, has reduced the running cost, has reduced nitrogen oxide's emission. The environmental protection is discharged up to standard, guarantees to dry by fire grain quality quantity, and the equipment security obtains guaranteeing, and the comprehensive cost of drying reduces.

In an alternative embodiment, the blast furnace system operation diagram further comprises: a furnace temperature graph, an upper furnace temperature graph, a furnace outlet pressure graph, a return air temperature graph, a return air pressure graph, a heat exchanger inlet temperature graph, a heat exchanger inlet pressure graph, a heat exchanger outlet temperature graph, a heat exchanger outlet pressure graph, a waste heat recoverer temperature graph, a waste heat recoverer pressure graph, a bag-type dust remover inlet temperature graph, one or more of a bag-type dust collector inlet pressure graph, a bag-type dust collector outlet temperature graph, a bag-type dust collector outlet pressure graph, a bag-type dust collector outlet and flue pressure difference graph, a smoke exhaust temperature graph, a smoke exhaust pressure graph, a pressure difference graph of a multi-pipe dust collector inlet and outlet, a bag-type dust collector inlet and outlet pressure difference graph, a smoke oxygen content graph, a secondary air temperature pressure graph, an air blast temperature graph and an air blast temperature graph pressure graph.

As shown in fig. 4, in an optional embodiment, the control module further includes a drying tower control module, and when the drying tower control module is selected based on a selection operation, the graphic operating area displays a drying tower operating graphic corresponding to the drying tower control module, where the drying tower operating graphic includes: the structure schematic diagram of the drying tower is composed of the drying tower structure units; the drying tower structure unit operation controls correspond to the drying tower structure units one by one, and the drying tower structure unit operation controls control over the corresponding drying tower structure units based on control instructions; wherein the drying tower structure unit operation control comprises: the elevator control is used for controlling the elevator, and the elevator control controls the elevator to operate based on the determined operation; the grain discharging motor control is used for controlling the grain discharging motor, comprises a sliding block and is used for controlling the rotating speed of the secondary fan based on the sliding operation of the sliding block; the under-tower belt conveyor control is used for controlling the under-tower belt conveyor, comprises a sliding block and is used for controlling the rotating speed of the under-tower belt conveyor based on the sliding operation of the sliding block; the cold air motor control is used for controlling the cold air motor, comprises a sliding block and controls the rotating speed of the cold air motor based on the sliding operation of the sliding block; the three-section hot air motor control is used for controlling the three-section hot air motor, comprises a sliding block and is used for controlling the rotating speed of the three-section hot air motor based on the sliding operation of the sliding block; the second-stage hot air motor control is used for controlling the second-stage hot air motor, comprises a sliding block and is used for controlling the rotating speed of the second-stage hot air motor based on the sliding operation of the sliding block; the hot air motor control is used for controlling the hot air motor, comprises a sliding block and is used for controlling the rotating speed of the hot air motor based on the sliding operation of the sliding block; the screen fan control is used for controlling the screen fan and comprises a sliding block, and the air inlet amount of the screen fan is controlled based on the sliding operation of the sliding block; the screen hoisting machine control is used for controlling the screen hoisting machine, comprises a sliding block and is used for controlling the height of the screen based on the sliding of the sliding block; and the trench belt control is used for controlling the trench belt and controlling the trench belt to run based on the determined operation.

In an alternative embodiment, the drying tower operation pattern further comprises: one or more of a first-stage hot air temperature pattern, a second-stage hot air temperature pattern, a third-stage hot air temperature pattern, a tower material level high pattern, a first-stage grain temperature pattern, a first-stage grain water content pattern, a second-stage grain temperature pattern, a second-stage grain water content pattern, a third-stage grain temperature pattern, a third-stage grain water content pattern and a cold air section grain temperature pattern.

As shown in fig. 5, in an optional embodiment, the control module further includes a loading and tapping system control module, and when the loading and tapping system control module is selected based on a selection operation, the graphic operation area displays a loading and tapping system operation graphic corresponding to the loading and tapping system control module, where the loading and tapping system operation graphic includes: the structural schematic diagram of the feeding and deslagging system is composed of structural units of the feeding and deslagging system; the loading and deslagging system structural unit operation control part is in one-to-one correspondence with the loading and deslagging system structural units, and controls the corresponding loading and deslagging system structural units based on a control command; wherein, material loading slag tapping system constitutional unit operation controlling part includes: and the feeding machine control is used for controlling the feeding machine, and the feeding machine control controls the feeding machine to run based on the determined operation.

In an optional embodiment, the operation diagram of the feeding and tapping system further comprises: and the slag remover control is used for controlling the operation of the slag remover based on the determined operation.

As shown in fig. 6, in an optional embodiment, the control module further includes: and the parameter display control module is used for displaying the hot blast stove data display control unit and the drying tower data display control unit in the graphic operation area when the parameter display control module is selected based on selection operation.

As shown in fig. 7, in an optional embodiment, when the hot blast stove data display control unit is selected based on a selection operation, the graphic operation area displays a hot blast stove data graphic, where the hot blast stove data graphic includes: the hot blast stove structure unit operation controls correspond to the hot blast stove structure units one by one, and the hot blast stove structure unit operation controls control the corresponding hot blast stove structure units based on the control instruction; wherein, hot blast stove constitutional unit operation control includes: the material loading machine running control is used for controlling the material loading machine, the hoisting machine control controls the material loading machine to start based on the determined operation, and controls the material loading machine to stop based on the cancel operation; the slag remover operation control is used for controlling the slag remover, the lifter control controls the start of the slag remover based on the determined operation and controls the stop of the slag remover based on the cancel operation; the grate operation control is used for controlling the grate, the elevator control controls the grate to be started based on the determined operation, and controls the grate to be stopped based on the cancel operation; the feeder operation control is used for controlling the feeder, the hoister control controls the feeder to start based on the determined operation, and controls the feeder to stop based on the cancel operation; the draught fan operation control is used for controlling the draught fan, the hoisting machine control controls the draught fan to start based on the determination operation, and controls the draught fan to stop based on the cancellation operation; the running control of the backflow fan is used for controlling the backflow fan, the lifting machine control controls the backflow fan to be started based on the determined operation, and controls the backflow fan to be stopped based on the cancelled operation; the secondary fan operation control is used for controlling the secondary fan, the elevator control controls the secondary fan to be started based on the determined operation, and controls the secondary fan to be stopped based on the cancel operation; and the air blower running control is used for controlling the air blower, and the lifting machine control controls the air blower to be started based on the determined operation and controls the air blower to be stopped based on the cancel operation.

In an optional embodiment, the hot blast stove data graph further comprises: a hot blast stove data display unit which displays hearth temperature data, upper hearth temperature data, hearth outlet pressure data, return air temperature data, return air pressure data, heat exchanger inlet temperature data, heat exchanger inlet pressure data, heat exchanger outlet temperature data, heat exchanger outlet pressure data, waste heat recoverer temperature data, waste heat recoverer pressure data, bag-type dust remover inlet temperature data, bag-type dust collector inlet pressure data, bag-type dust collector outlet temperature data, bag-type dust collector outlet pressure data, bag-type dust collector outlet and flue pressure difference value data, exhaust gas temperature data, exhaust gas pressure data, multi-pipe dust collector inlet and outlet pressure difference value data, bag-type dust collector inlet and outlet pressure difference value data, flue gas oxygen content data, secondary air temperature pressure data, air blast temperature data and air blast temperature data pressure data.

As shown in fig. 8, in an alternative embodiment, when the drying tower data display control unit is selected based on a selection operation, the graphic operation area displays a drying tower data graphic, which includes: the drying tower structure unit operation controls correspond to the drying tower structure units one by one, and the drying tower structure unit operation controls control over the corresponding drying tower structure units based on control instructions; wherein the drying tower structure unit operation control comprises: the elevator running control is used for controlling the elevator, the elevator control controls the elevator to start based on the determined operation, and controls the elevator to stop based on the cancel operation; the grain discharging motor running control is used for controlling the grain discharging motor, the grain discharging motor control controls the grain discharging motor to start based on the determination operation, and controls the grain discharging motor to stop based on the cancellation operation; the cold air motor running control is used for controlling the cold air motor, the cold air motor control controls the cold air motor to be started based on the determined operation, and controls the cold air motor to be stopped based on the cancellation operation; the screen fan operation control is used for controlling the screen fan, the screen fan control controls the screen fan to be started based on the determination operation, and controls the screen fan to be stopped based on the cancellation operation; the screen elevator control is used for controlling the screen elevator, controlling the screen elevator to start based on the determination operation, and controlling the screen elevator to stop based on the cancellation operation; the trench belt conveyor running control is used for controlling the trench belt conveyor, the trench belt conveyor control controls the trench belt conveyor to start based on the determined operation, and controls the trench belt conveyor to stop based on the cancel operation; the hot air motor control part is used for controlling the hot air motor, controlling the starting of the hot air motor on the basis of the determined operation and controlling the stopping of the hot air motor on the basis of the cancellation operation; the second-stage hot air motor running control is used for controlling the second-stage hot air motor, the second-stage hot air motor control controls the second-stage hot air motor to be started based on the determined operation, and controls the second-stage hot air motor to be stopped based on the cancel operation; the three-section hot air motor running control is used for controlling the three-section hot air motor, controlling the three-section hot air motor to be started based on the determined operation, and controlling the three-section hot air motor to be stopped based on the cancel operation; the operation control of the belt conveyor under the tower is used for controlling the belt conveyor under the tower, and the belt conveyor under the tower is controlled to start based on the determined operation and to stop based on the cancel operation by the control of the belt conveyor under the tower.

In an optional embodiment, the hot blast stove data graph further comprises: and the hot blast stove data display unit displays first-stage hot air temperature data, second-stage hot air temperature data, third-stage hot air temperature data, tower material level material height data, first-stage grain temperature data, first-stage grain water content data, second-stage grain temperature data, second-stage grain water content data, third-stage grain temperature data, third-stage grain water content data and cold air section grain temperature data.

As shown in fig. 9, in an optional embodiment, the control module further includes: the emergency stop control module is selected based on selection operation, and the graphic operation area displays an emergency stop control of the hot blast stove and an emergency stop control of the drying tower; the hot blast stove emergency stop controls correspond to the hot blast stove structural units one by one, and the hot blast stove is controlled to stop working when the hot blast stove emergency stop controls are selected based on selection operation; the drying tower emergency stop control pieces correspond to the drying tower structure units one by one, and the drying tower is controlled to stop working when the drying tower emergency stop control pieces are selected based on selection operation. When the hot blast stove and the drying tower have the emergency equipment faults, the emergency stop control module is pressed down to stop the equipment operation, and machines which can damage human bodies under the abnormal condition are prevented from having to be protected.

In an optional embodiment, the control module further comprises: a data table module configured to display the first segment hot air temperature data, the second segment hot air temperature data, the third segment hot air temperature data, the tower material level height data, the first segment grain temperature data, the first segment grain water content data, the second segment grain temperature data, the second segment grain water content data, the third segment grain temperature data, the third segment grain water content data, the cold air segment grain temperature data, the furnace temperature data, the upper furnace temperature data, the furnace outlet pressure data, the return air temperature data, the return air pressure data, the heat exchanger inlet temperature data, the heat exchanger inlet pressure data, the heat exchanger outlet temperature data, the heat exchanger outlet pressure data, the heat exchanger water content data, the tower material level height data, the first segment grain temperature data, the first segment grain water content data, the second segment grain temperature data, the third segment grain water content data, the third segment water content data, the cold air temperature data, the furnace temperature data, the upper furnace outlet pressure data, the return air temperature data, the heat exchanger outlet pressure data, the heat exchanger pressure data, the data, the exhaust-heat recovery device comprises one or more table data of exhaust-heat recovery device temperature data, exhaust-heat recovery device pressure data, bag-type dust collector inlet temperature data, bag-type dust collector outlet pressure difference value data, exhaust-gas temperature data, exhaust-gas pressure data, pressure difference value data between an inlet and an outlet of the multi-tube dust collector, bag-type dust collector inlet and outlet pressure difference value data, flue gas oxygen content data, secondary air temperature pressure data, air-blowing temperature data and air-blowing temperature data pressure data. The data table module is mainly used for inquiring data, printing and storing a report, inquiring parameter data of the whole grain drying tower and printing and storing the parameter data.

In an optional embodiment, the control module further comprises: a data graph display module, wherein when the data graph display module is selected based on a selection operation, the graph operation area displays the first section hot air temperature data, the second section hot air temperature data, the third section hot air temperature data, the tower material level height data, the first section grain temperature data, the first section grain water content data, the second section grain temperature data, the second section grain water content data, the third section grain temperature data, the third section grain water content data, the cold air section grain temperature data, the furnace temperature data, the upper furnace temperature data, the furnace outlet pressure data, the return air temperature data, the return air pressure data, the heat exchanger inlet temperature data, the heat exchanger inlet pressure data, the heat exchanger outlet temperature data, the heat exchanger water content data, the furnace outlet pressure data, the return air temperature data, the return air pressure data, the heat exchanger inlet temperature data, the heat exchanger outlet pressure data, the heat exchanger temperature data, the temperature data of the temperature of the furnace outlet of the furnace are in the furnace are displayed in the second section of the second section grain in the second section grain, the second section grain temperature of the second section grain temperature, the second section grain temperature data, the second section grain temperature of the second section grain temperature, the second section grain temperature data, the second section grain temperature data, the second section grain temperature, the second section grain temperature data, the third section, the second section grain temperature data, the second section grain temperature data, the second section, the, One or more data broken line diagrams in the heat exchanger outlet pressure data, the waste heat recoverer temperature data, the waste heat recoverer pressure data, the bag-type dust remover inlet temperature data, the bag-type dust remover outlet pressure data, the bag-type dust remover outlet and flue pressure difference value data, the smoke exhaust temperature data, the smoke exhaust pressure data, the pressure difference value data between the inlet and the outlet of the multi-tube dust remover, the bag-type dust remover inlet and outlet pressure difference value data, the smoke oxygen content data, the secondary air temperature pressure data, the air blowing temperature data and the air blowing temperature data pressure data. The data curve graph display module is mainly used for curve query, querying parameter data and variation trend of the whole grain drying tower, and adjusting the optimal operation state of the system after analysis.

In an alternative embodiment, the first period of time may be a custom time period at any time interval of 1 minute, 3 minutes, 5 minutes, 10 minutes, 15 minutes, 20 minutes, 30 minutes, 60 minutes, 90 minutes, 120 minutes, and the like.

The utility model discloses the main objective is for solving the coking of easy production, combustion efficiency low, the combustion method is unreasonable, NO, NOx concentration height of traditional hot-blast furnace and grain drying tower ubiquitous, smoke and dust blocks tubular heat transfer surface, the hot-blast amount of wind of uncontrollable heat exchanger entry, wind temperature, hot-blast amount of wind at different levels, wind temperature, dry by the fire grain moisture, quality scheduling problem.

In an optional embodiment, the control system of the grain drying tower further includes: the login interface is displayed by the first display unit and comprises: a user input unit and a password input unit; and verifying the user name input by the user input unit and the password input by the password input unit, and entering the first control interface based on the condition that the user name and the password meet the requirements.

The utility model discloses a control system of grain drying tower can realize that grain stoving in-process is to hot-blast furnace system and grain drying tower system accurate control. The main functions of the automatic control system of the hot blast stove and the grain drying tower comprise: the system comprises a hot blast furnace system control module, a drying tower control module, a feeding and deslagging system control module, a parameter display control module, an emergency stop control module, a data table module, a data curve graph display module, a login interface and the like. Through this system can dry by the fire grain moisture, carry out accurate control to the hot air temperature that grain stoving in-process provided, the amount of wind under the quality prerequisite at real-time supervision, make the abundant fuel economy fuel that burns of stove, carry out frequency conversion regulation to each motor through accurate control and practice thrift the electric energy, through automatic accurate control, reduce operating personnel work content, reduce field personnel intensity of labour, practice thrift the human cost, under the prerequisite of guaranteeing grain stoving quality, reduce and dry by the fire grain comprehensive cost index.

The method is characterized in that the feeding frequency of the feeder is controlled by combining with the fuel quantity required by combustion of the hearth to control the fuel feeding quantity, the grate speed is controlled by the rotating speed frequency of the grate, and the required fuel quantity can be ensured by directly and automatically adjusting.

According to the measurement of the temperature and the pressure of the lower part of the hearth and the measurement of the temperature of the upper part of the hearth, the combustion temperature and the negative pressure of the hearth can be automatically controlled, so that the combustion of the hearth is kept in a stable state.

According to the required heat exchanger inlet temperature, adjusting an induced draft fan, an air blower, a secondary air fan and a return fan, automatically controlling and optimizing the combustion state of the hot blast stove by observing oxygen content parameters, and reducing the generation of thermal nitrogen.

Under the working condition that the hot blast stove stably burns and outputs hot blast, the air speed and the air quantity of the three hot blast and cold blast sections are adjusted to achieve the expected effect according to the matching of the moisture of raw grains entering the tower and the grain temperature of the three hot blast sections and the grain temperature of the cold blast section, so that the automatic and accurate control is realized.

By measuring the moisture of the grains in the three hot air sections and the cold air section, the optimal air speed and the optimal air quantity are automatically matched, the grain discharging speed is adjusted, the moisture for drying the grains meeting the requirements is obtained, and the quality and the quantity of the dried grains are ensured.

Through the tail end flue gas recovery of the heat exchanger, the hot air temperature required by the inlet of the heat exchanger is kept by adjusting the wind speed of the recovered wind, the purposes of reducing the smoke exhaust temperature and improving the temperature of the mixed flue gas in the hearth are achieved, and the energy is saved by over 10 percent.

The hot air temperature is raised from the cold air temperature below 20 ℃ in winter to 30 ℃ by recovering the three-level hot air at the tower side and the hot air measured at the cold air section and blowing the hot air into the tubular heat exchanger, so that the energy-saving effect is remarkable.

The hot blast stove and the drying tower system optimize combustion through automatic control, save fuel, reduce the fuel cost by more than 10% compared with the prior art, save electricity by more than 10% through frequency conversion control by electrical equipment, and save one third of manpower.

Through host computer and PLC control, combine the temperature of arranging in the furnace, pressure sensor, batcher frequency conversion control, grate frequency conversion control, the air-blower, the under water heater, return fan, draught fan frequency conversion control and oxygen content's detection, can grasp hot-blast furnace combustion state directly perceived, under the prerequisite that satisfies the hot-blast temperature amount of wind in heat exchanger entry position, make the boiler burn under optimal condition, avoid biomass fuel coking slagging scorification, can't burn to required hot-blast temperature condition, boiler combustion efficiency is high, discharge up to standard, practice thrift the fuel cost.

Through the detection of equipment and parameters such as the temperature, the pressure, the water measurement, the three-section hot air speed and the air quantity, the grain feeding machine, the grain level measurement, the grain discharging machine and the like on the side of the drying tower, the optimal hot air temperature and the optimal air quantity required by grain drying can be matched, and the problems that the grain drying system is unstable in operation, the quality of the moisture of the grain drying is uneven, the grain storage is influenced, the mildew loss is caused and the like are avoided.

The stove side is through retrieving heat exchanger afterbody waste heat, reduces the exhaust gas temperature, reduces the heat loss of discharging fume, effectively carries out automatic mixing with stove in hot-blast, satisfies heat exchanger tube bank entry temperature, reaches energy-conserving effect simultaneously. The recovery of the tertiary hot air of the drying tower and the hot air of the cold air section is accurately controlled, the air temperature of the heat exchange tube bundle is effectively improved, and the energy is greatly saved on the premise of ensuring the temperature and the air quantity required by grain drying.

The utility model aims at protecting a control system of grain drying tower, include: a first display unit; the first control unit is used for displaying a first control interface on the first display unit, the first control interface comprises a menu bar and a graphic operation area, the menu bar comprises a plurality of control modules, the graphic operation area is used for displaying operation graphics corresponding to the control modules, the control modules comprise a hot blast stove system control module, when the hot blast stove system control module is selected based on selection operation, the graphic operation area displays hot blast stove system operation graphics corresponding to the hot blast stove system control module, and the hot blast stove system operation graphics comprise: the hot blast stove is composed of hot blast stove structural units; the hot blast stove structure unit operation controls correspond to the hot blast stove structure units one by one, and the hot blast stove structure unit operation controls control the corresponding hot blast stove structure units based on control instructions; wherein, hot blast stove constitutional unit operation control includes: the fire grate control part is used for controlling the fire grate, comprises a sliding block and controls the rotating speed of the fire grate based on the sliding operation of the sliding block; the feeding machine control comprises a sliding block, and the rotating speed of the feeding machine is controlled based on the sliding operation of the sliding block; the feeding machine control part is used for controlling the feeding machine, comprises a sliding block and is used for controlling the rotating speed of the feeding machine based on the sliding of the sliding block; the induced draft fan control is used for controlling an induced draft fan, comprises a sliding block and is used for controlling the air intake of the induced draft fan based on the sliding of the sliding block; the backflow fan control is used for controlling the backflow fan, comprises a sliding block and is used for controlling the air inlet volume of the backflow fan based on the sliding operation of the sliding block; the secondary fan control is used for controlling the secondary fan and comprises a sliding block, and the air inlet quantity of the secondary fan is controlled based on the sliding operation of the sliding block; and the blower control is used for controlling the blower and comprises a sliding block, and the air inlet amount of the blower is controlled based on the sliding operation of the sliding block. Through the utility model discloses a control system of grain drying tower, the temperature of arranging in combining furnace, pressure sensor, batcher frequency conversion control, grate machine frequency conversion control, the air-blower, the secondary air fan, the backflow fan, draught fan frequency conversion control and oxygen content's detection, can grasp hot-blast furnace combustion state directly perceivedly, under the prerequisite that satisfies heat exchanger entry position hot air temperature amount of wind, make the boiler burn under optimal condition, avoid biomass fuel coking slagging scorification, can't burn to required hot air temperature condition, boiler combustion efficiency is high, discharge up to standard, the fuel economy cost.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A control system of a grain drying tower, comprising:

a first display unit;

the first control unit is used for displaying a first control interface on the first display unit, the first control interface comprises a menu bar and a graphic operation area, the menu bar comprises a plurality of control modules, the graphic operation area is used for displaying operation graphics corresponding to the control modules, the control modules comprise a hot blast stove system control module, when the hot blast stove system control module is selected based on selection operation, the graphic operation area displays hot blast stove system operation graphics corresponding to the hot blast stove system control module, and the hot blast stove system operation graphics comprise:

the hot blast stove is composed of hot blast stove structural units;

the hot blast stove structure unit operation controls correspond to the hot blast stove structure units one by one, and the hot blast stove structure unit operation controls control the corresponding hot blast stove structure units based on control instructions; wherein, hot blast stove constitutional unit operation control includes:

the fire grate control part is used for controlling the fire grate, comprises a sliding block and controls the rotating speed of the fire grate based on the sliding operation of the sliding block; the feeding machine control comprises a sliding block, and the rotating speed of the feeding machine is controlled based on the sliding operation of the sliding block;

the feeding machine control part is used for controlling the feeding machine, comprises a sliding block and is used for controlling the rotating speed of the feeding machine based on the sliding of the sliding block;

the induced draft fan control is used for controlling an induced draft fan, comprises a sliding block and is used for controlling the air intake of the induced draft fan based on the sliding of the sliding block;

the backflow fan control is used for controlling the backflow fan, comprises a sliding block and is used for controlling the air inlet volume of the backflow fan based on the sliding operation of the sliding block;

the secondary fan control is used for controlling the secondary fan and comprises a sliding block, and the air inlet quantity of the secondary fan is controlled based on the sliding operation of the sliding block;

and the blower control is used for controlling the blower and comprises a sliding block, and the air inlet amount of the blower is controlled based on the sliding operation of the sliding block.

2. The control system of a grain drying tower of claim 1, wherein the hot blast stove system operation pattern further comprises:

a furnace temperature graph, an upper furnace temperature graph, a furnace outlet pressure graph, a return air temperature graph, a return air pressure graph, a heat exchanger inlet temperature graph, a heat exchanger inlet pressure graph, a heat exchanger outlet temperature graph, a heat exchanger outlet pressure graph, a waste heat recoverer temperature graph, a waste heat recoverer pressure graph, a bag-type dust remover inlet temperature graph, one or more of a bag-type dust collector inlet pressure graph, a bag-type dust collector outlet temperature graph, a bag-type dust collector outlet pressure graph, a bag-type dust collector outlet and flue pressure difference graph, a smoke exhaust temperature graph, a smoke exhaust pressure graph, a pressure difference graph of a multi-pipe dust collector inlet and outlet, a bag-type dust collector inlet and outlet pressure difference graph, a smoke oxygen content graph, a secondary air temperature pressure graph, an air blast temperature graph and an air blast temperature graph pressure graph.

3. The control system of a grain drying tower according to claim 1, wherein the control module further includes a drying tower control module, and when the drying tower control module is selected based on a selection operation, the graphic operation section displays a drying tower operation graphic corresponding to the drying tower control module, the drying tower operation graphic including:

the structure schematic diagram of the drying tower is composed of the drying tower structure units;

the drying tower structure unit operation controls correspond to the drying tower structure units one by one, and the drying tower structure unit operation controls control over the corresponding drying tower structure units based on control instructions; wherein the drying tower structure unit operation control comprises:

the elevator control is used for controlling the elevator, and the elevator control controls the elevator to operate based on the determined operation;

the grain discharging motor control is used for controlling the grain discharging motor, comprises a sliding block and is used for controlling the rotating speed of the secondary fan based on the sliding operation of the sliding block;

the under-tower belt conveyor control is used for controlling the under-tower belt conveyor, comprises a sliding block and is used for controlling the rotating speed of the under-tower belt conveyor based on the sliding operation of the sliding block;

the cold air motor control is used for controlling the cold air motor, comprises a sliding block and controls the rotating speed of the cold air motor based on the sliding operation of the sliding block;

the three-section hot air motor control is used for controlling the three-section hot air motor, comprises a sliding block and is used for controlling the rotating speed of the three-section hot air motor based on the sliding operation of the sliding block;

the second-stage hot air motor control is used for controlling the second-stage hot air motor, comprises a sliding block and is used for controlling the rotating speed of the second-stage hot air motor based on the sliding operation of the sliding block;

the hot air motor control is used for controlling the hot air motor, comprises a sliding block and is used for controlling the rotating speed of the hot air motor based on the sliding operation of the sliding block;

the screen fan control is used for controlling the screen fan and comprises a sliding block, and the air inlet amount of the screen fan is controlled based on the sliding operation of the sliding block;

the screen hoisting machine control is used for controlling the screen hoisting machine, comprises a sliding block and is used for controlling the height of the screen based on the sliding of the sliding block;

and the trench belt control is used for controlling the trench belt and controlling the trench belt to run based on the determined operation.

4. The control system of a grain drying tower according to claim 3, wherein the drying tower operation pattern further comprises:

one or more of a first-stage hot air temperature pattern, a second-stage hot air temperature pattern, a third-stage hot air temperature pattern, a tower material level high pattern, a first-stage grain temperature pattern, a first-stage grain water content pattern, a second-stage grain temperature pattern, a second-stage grain water content pattern, a third-stage grain temperature pattern, a third-stage grain water content pattern and a cold air section grain temperature pattern.

5. The control system of a grain drying tower according to claim 1, wherein the control module further comprises a loading and deslagging system control module, and when the loading and deslagging system control module is selected based on a selection operation, the graphic operation area displays a loading and deslagging system operation graphic corresponding to the loading and deslagging system control module, and the loading and deslagging system operation graphic comprises:

the structural schematic diagram of the feeding and deslagging system is composed of structural units of the feeding and deslagging system;

the loading and deslagging system structural unit operation control part is in one-to-one correspondence with the loading and deslagging system structural units, and controls the corresponding loading and deslagging system structural units based on a control command; wherein, material loading slag tapping system constitutional unit operation controlling part includes:

and the feeding machine control is used for controlling the feeding machine, and the feeding machine control controls the feeding machine to run based on the determined operation.

6. The control system of a grain drying tower according to claim 5, wherein the loading and tapping system operation pattern further comprises:

and the slag remover control is used for controlling the operation of the slag remover based on the determined operation.

7. The control system of a grain drying tower according to any one of claims 1 to 6, wherein the control module further comprises:

and the parameter display control module is used for displaying the hot blast stove data display control unit and the drying tower data display control unit in the graphic operation area when the parameter display control module is selected based on selection operation.

8. The control system of a grain drying tower according to claim 7,

when the hot blast stove data display control unit is selected based on selection operation, the graphic operation area displays hot blast stove data graphics, and the hot blast stove data graphics comprise:

the hot blast stove structure unit operation controls correspond to the hot blast stove structure units one by one, and the hot blast stove structure unit operation controls control the corresponding hot blast stove structure units based on the control instruction; wherein, hot blast stove constitutional unit operation control includes:

the feeding machine running control is used for controlling the feeding machine, the feeding machine running control controls the starting of the feeding machine based on the determined operation and controls the stopping of the feeding machine based on the cancel operation;

the operation control of the slag remover is used for controlling the slag remover, the operation control of the slag remover controls the start of the slag remover based on the determined operation and controls the stop of the slag remover based on the cancel operation;

the fire grate operation control is used for controlling the fire grate, and the fire grate operation control controls the fire grate to be started based on the determined operation and controls the fire grate to be stopped based on the cancel operation;

the feeder operation control is used for controlling the feeder, and the feeder operation control controls the feeder to start based on the determined operation and controls the feeder to stop based on the cancel operation;

the induced draft fan operation control is used for controlling the induced draft fan, the induced draft fan operation control controls the induced draft fan to be started based on the determination operation, and controls the induced draft fan to be stopped based on the cancellation operation;

the backflow fan operation control is used for controlling the backflow fan, the backflow fan operation control controls the backflow fan to be started based on the determined operation, and controls the backflow fan to be stopped based on the cancelled operation;

the secondary fan running control is used for controlling the secondary fan, the secondary fan running control controls the secondary fan to be started based on the determined operation, and controls the secondary fan to be stopped based on the cancel operation;

and the blower running control is used for controlling the blower, controlling the blower to be started based on the determined operation, and controlling the blower to be stopped based on the cancel operation.

9. The control system of a grain drying tower of claim 8, wherein the hot blast stove data pattern further comprises:

a hot blast stove data display unit which displays hearth temperature data, upper hearth temperature data, hearth outlet pressure data, return air temperature data, return air pressure data, heat exchanger inlet temperature data, heat exchanger inlet pressure data, heat exchanger outlet temperature data, heat exchanger outlet pressure data, waste heat recoverer temperature data, waste heat recoverer pressure data, bag-type dust remover inlet temperature data, bag-type dust collector inlet pressure data, bag-type dust collector outlet temperature data, bag-type dust collector outlet pressure data, bag-type dust collector outlet and flue pressure difference value data, exhaust gas temperature data, exhaust gas pressure data, multi-pipe dust collector inlet and outlet pressure difference value data, bag-type dust collector inlet and outlet pressure difference value data, flue gas oxygen content data, secondary air temperature pressure data, air blast temperature data and air blast temperature data pressure data.

10. The control system of a grain drying tower according to claim 7, wherein the graphic operation area displays a drying tower data graphic when the drying tower data display control unit is selected based on a selection operation, the drying tower data graphic including:

the elevator running control is used for controlling the elevator, the elevator running control controls the elevator to start based on the determined operation, and controls the elevator to stop based on the cancel operation;

the grain discharging motor running control is used for controlling the grain discharging motor, the grain discharging motor running control controls the grain discharging motor to start based on the determination operation, and controls the grain discharging motor to stop based on the cancellation operation;

the cold air motor running control is used for controlling the cold air motor, controlling the cold air motor to be started based on the determination operation, and controlling the cold air motor to be stopped based on the cancellation operation;

the screen fan operation control is used for controlling the screen fan, controlling the screen fan to start based on the determination operation and controlling the screen fan to stop based on the cancellation operation;

the screen elevator operation control is used for controlling the screen elevator, the screen elevator operation control controls the screen elevator to start based on the determination operation, and controls the screen elevator to stop based on the cancellation operation;

the operation control of the trench belt conveyor is used for controlling the trench belt conveyor, the operation control of the trench belt conveyor controls the trench belt conveyor to start based on the determined operation, and controls the trench belt conveyor to stop based on the cancel operation;

the first-section hot air motor operation control is used for controlling the first-section hot air motor, the first-section hot air motor operation control controls the first-section hot air motor to be started based on the determined operation, and controls the first-section hot air motor to be stopped based on the cancel operation;

the second-stage hot air motor running control is used for controlling the second-stage hot air motor, controlling the second-stage hot air motor to start based on the determined operation, and controlling the second-stage hot air motor to stop based on the cancel operation;

the three-section hot air motor running control is used for controlling the three-section hot air motor, controlling the three-section hot air motor to be started based on the determined operation, and controlling the three-section hot air motor to be stopped based on the cancel operation;

and the operation control of the belt conveyor under the tower is used for controlling the belt conveyor under the tower, and the operation control of the belt conveyor under the tower is based on the determination operation to control the belt conveyor under the tower to start and is based on the cancellation operation to control the belt conveyor under the tower to stop.

11. The control system of a grain drying tower of claim 10, wherein the hot blast stove data pattern further comprises:

and the hot blast stove data display unit displays first-stage hot air temperature data, second-stage hot air temperature data, third-stage hot air temperature data, tower material level material height data, first-stage grain temperature data, first-stage grain water content data, second-stage grain temperature data, second-stage grain water content data, third-stage grain temperature data, third-stage grain water content data and cold air section grain temperature data.

12. The control system of a grain drying tower of claim 1, wherein the control module further comprises:

the emergency stop control module is selected based on selection operation, and the graphic operation area displays an emergency stop control of the hot blast stove and an emergency stop control of the drying tower;

the hot blast stove emergency stop controls correspond to the hot blast stove structural units one by one, and the hot blast stove is controlled to stop working when the hot blast stove emergency stop controls are selected based on selection operation;

the drying tower emergency stop control pieces correspond to the drying tower structure units one by one, and the drying tower is controlled to stop working when the drying tower emergency stop control pieces are selected based on selection operation.