CN208458000U - A kind of industrial boiler desulfurizing, dedusting and denitrification integral system - Google Patents

Abstract

The utility model relates to a kind of industrial boiler desulfurizings, dedusting and denitrification integral system, including coal dust tower instrumentation, boiler body instrumentation, desulphurization system instrumentation and deduster instrumentation, the flue gas output end of boiler body instrumentation is connect by third pipeline with the flue gas input terminal of the desulphurization system instrumentation, the flue gas output end of the desulphurization system instrumentation is connect by the 4th pipeline with the flue gas input terminal of the deduster instrumentation, the flue gas output end of the deduster instrumentation is connected in the input end of air-introduced machine by the 5th pipeline, the outlet end of air-introduced machine is connected to chimney, third pressure sensor and third temperature sensor are equipped in third pipeline, the 4th pressure sensor and the 4th temperature sensor are equipped in 4th pipeline, the 5th pressure sensor and the 5th temperature are equipped in 5th pipeline Spend sensor.The utility model fume treatment better effect can reduce manipulation strength, reduce maloperation probability.

Description

A kind of industrial boiler desulfurizing, dedusting and denitrification integral system

Technical field

The utility model relates to a kind of industrial boiler desulfurizing, dedusting and denitrification integral systems.

Background technique

Current domestic and international industrial automation control system, from main Architecture Analysis mainly by local area network and the Internet group at.Absolutely Most enterprises are also maintained in LAN system construction, become control isolated island, management position limitation, the mode of distribution dispersion, And become the collecting and distributing control of Suresh Kumar or configuration system using upper in system.

Inconvenient to enterprise's bring based on above-mentioned problems, many enterprises have used the group of local area network and wide area network It closes, facilitates management.But it is just unable to do what one wants very much to do from the aspect of energy-saving run, system compatible, especially, industry at present Boiler at runtime, is to transport row control to instrument and equipment and boiler using people, can not achieve Energy Saving Control, and operations staff Manipulation strength is high, and maloperation occurrence probability is high.

For this purpose, in 206036994 U of Authorization Notice No. CN, entitled " a kind of Industrial Boiler control integral system " In Chinese utility model patent, a kind of Industrial Boiler control integral system is disclosed, includes coal dust tower instrumentation, boiler Ontology instrumentation, deduster instrumentation and desulphurization system instrumentation；

The coal dust tower instrumentation includes coal dust tower, powder tower deduster, powder tower air-introduced machine, agitating auger device, feed spiral shell Spigot, weighing spiral organ, the first temperature sensor and the first level sensor；The powder tower deduster and powder tower air-introduced machine are respectively provided with In the top of coal dust tower, the agitating auger device, pressure feeding spiral device and weighing spiral organ are all set in the bottom of coal dust tower, are fed spiral shell Spigot is located at the lower section of agitating auger device, and weighing spiral organ is located at the lower section of pressure feeding spiral device, first temperature sensor and the One level sensor is set on coal dust tower and protrudes into coal dust tower；

The boiler body instrumentation includes boiler body, primary air fan, air blower, boiler induced-draft fan, fire defector Device, water replanishing device, fire box temperature sensor, first pressure sensor, liquid level sensor, oxygen amount sensor and igniter；It should The bottom of boiler body connects the bottom of coal dust tower by first pipe, which connects first pipe, and the air blower is logical Second pipe connection boiler body is crossed, the input port of the boiler induced-draft fan connects the gas outlet of boiler body by third pipeline, The flame detector is set in boiler body, which is set to the top of boiler body, the fire box temperature sensor, First pressure sensor and liquid level sensor are all set in boiler body, which is set in third pipeline, should Igniter is set to the bottom of boiler body；

The deduster instrumentation includes body of deduster, blowing device, second pressure sensor, second temperature sensing Device and the second level sensor；The blowing device is set in the top of body of deduster, and the both ends of blowing device are serially connected in In three pipelines, which is two, and two second pressure sensors are all set on third pipeline and are located at blowing The two sides of device, the second temperature sensor and the second level sensor are all set in body of deduster；

The desulphurization system instrumentation includes desulfurizing tower, on-Line Monitor Device, desulfuration recycle pump, apparatus for preparing desulphurizing agent With pH monitoring device；The entrance of the delivery outlet connection desulfurizing tower of aforementioned boiler induced-draft fan, the on-Line Monitor Device are set to desulfurization The top exit of tower, the input port of the desulfuration recycle pump and delivery outlet are separately connected the bottom and middle part of desulfurizing tower, desulfurizing agent system The outlet of standby device connects third pipeline, which is set to inside the lower end of desulfurizing tower.

Integral system in above-mentioned patent, although being able to solve existing use people transports row to instrument and equipment and boiler The problem that control can not achieve Energy Saving Control and operations staff's manipulation strength is high, maloperation occurrence probability is high, but it is integrally imitated Fruit is perfect not enough.

In consideration of it, inventor furthers investigate the above problem, there is this case generation then.

Utility model content

The purpose of this utility model is to provide a kind of fume treatment better effect, it can reduce manipulation strength, reduction mistake Operate industrial boiler desulfurizing, dedusting and the denitrification integral system of probability.

In order to achieve the above object, the utility model uses such technical solution:

A kind of industrial boiler desulfurizing, dedusting and denitrification integral system, including coal dust tower instrumentation, boiler body instrument Equipment, desulphurization system instrumentation and deduster instrumentation, be equipped in coal dust tower instrumentation the first temperature sensor and First level sensor is equipped with first pressure sensor, liquid level sensor and oxygen amount sensor in boiler body instrumentation, The discharge end of coal dust tower instrumentation is connected to the bottom of boiler body instrumentation by first pipe, connects in first pipe Once blower, it is characterised in that: the flue gas output end of the boiler body instrumentation passes through third pipeline and the desulfurization The flue gas input terminal of system meter equipment connects, and the flue gas output end of the desulphurization system instrumentation passes through the 4th pipeline and institute The flue gas input terminal connection of deduster instrumentation is stated, the flue gas output end of the deduster instrumentation is connected by the 5th pipeline It is connected in the input end of air-introduced machine, the outlet end of air-introduced machine is connected to chimney, and third pressure sensor is equipped in third pipeline With third temperature sensor, it is equipped with the 4th pressure sensor and the 4th temperature sensor in the 4th pipeline, is equipped in the 5th pipeline 5th pressure sensor and the 5th temperature sensor.

It further include the first heat exchanger tube, the second heat exchanger tube and air blower as a kind of preferred embodiment of the utility model, It is equipped with heat-exchange tube in one heat exchanger tube, is equipped with cooling medium in heat-exchange tube, the second heat exchanger tube is connected to the first heat exchanger tube, described Second pipe is threaded through at the second heat exchange tube connection ports, the outlet of the second pipe and the boiler body instrumentation Burner connection, the outlet end of the second heat exchanger tube connect with the input end of the third pipeline, the outlet end of the first heat exchanger tube and The input end of second heat exchanger tube connects, and the flue gas output end of the input end of the first heat exchanger tube and the boiler body instrumentation connects It connects.

As a kind of preferred embodiment of the utility model, the joining place of first heat exchanger tube and the second heat exchanger tube is equipped with the Two pressure sensors and second temperature sensor.

As a kind of preferred embodiment of the utility model, the flue gas output end of the boiler body instrumentation and described the It is equipped with horizontal pipe between the input terminal of one heat exchanger tube, is equipped with the 6th pressure sensor and the 6th temperature sensing in horizontal pipe Device.

As a kind of preferred embodiment of the utility model, the boiler body instrumentation is also connected with blower, four three times Secondary blower and No. five blowers.

As a kind of preferred embodiment of the utility model, the desulphurization system instrumentation includes desulfurizing tower, in desulfurizing tower It is respectively equipped with spray equipment, swirl-flow devices and demister from bottom to top, the 4th pipeline is connected to the top of desulfurizing tower, takes off The bottom of sulphur tower is connected with pulping tank, and the desulphurization system instrumentation further includes sprayed tank and circulating tank, sprayed tank and circulation Tank is connected to pulping tank, and spray equipment is connect by spray pump with sprayed tank, and swirl-flow devices are connected by circulating pump and circulating pump It connects.

As a kind of preferred embodiment of the utility model, it is equipped with PH monitoring device in the pulping tank, in the circulating pump Equipped with ultrasonic level gage.

After the technical solution of the utility model, by each pressure sensor and temperature sensor to the state of each device It being monitored, convenient for adjusting each equipment to optimum state, reaching expected state or performance indicator.To some severe rings Under border and long-play operation boiler system, automated measurement &control, which seems, to be even more important, can not only reduce operation people Member's manipulation strength, moreover it is possible to maloperation occurrence probability is reduced, to guarantee production safety, economy, effectively operation, to science and technology, economy Positive impetus is played with social development, while the flue gas come out in the utility model from boiler body instrumentation is advanced Enter desulphurization system instrumentation and carry out desulfurization and dedusting processing, flue gas is tentatively removed using the solution of desulphurization system instrumentation Dirt, reduces the burden of subsequent deduster instrumentation, and can be improved the treatment effect of dust, then passes through three, four, five wind Proportion and backflow flue gas mixing, realize effective control of boiler smoke nitrogen oxides, guarantee the stabilization of entire integral system Operation.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the enlarged drawing in Fig. 1 at A；

Fig. 3 is the enlarged drawing in Fig. 1 at B；

In figure:

10, coal dust tower instrumentation 11, coal dust tower

12, powder tower deduster 13, powder tower air-introduced machine

14, agitating auger device 15, pressure feeding spiral device

16, weighing spiral organ 101, the first temperature sensor

102, the first level sensor 103, carbon-dioxide protecting device

20, boiler body instrumentation 21, boiler body

22, primary air fan 23, air blower

24, boiler induced-draft fan 25, water replanishing device

26, igniter 27, three times blower

28, No. 29, five blowers of No. four blowers

200, burner

221, drum 231, horizontal pipe

201, fire box temperature sensor 202, flame detector

203, first pressure sensor 204, liquid level sensor

205, oxygen amount sensor 206, the 6th temperature sensor

207, the 6th pressure sensor 208, oxygen content detect instrument

209, soot blowing solenoid valve 210, II heat convection section smoke temperature

211, second temperature sensor 212, second pressure sensor

213, third temperature sensor 214- third pressure sensor

30, desulphurization system instrumentation 31, desulfurizing tower

32, circulating pump 33, apparatus for preparing desulphurizing agent

34, pH monitoring device 35, swirl-flow devices

36, spray pump 37, sprayed tank

38, pulping tank 39, circulating tank

301, demister 302, demister backwashing pump

303, the 4th temperature sensor 304, the 4th pressure sensor

305, desulfurizing tower motor-driven valve 306, demister backwashing solenoid valve device

307, solenoid valve 308, ultrasonic level gage are washed in water inlet

309- spray equipment

40, deduster instrumentation 41, honeycomb duct

42, on-Line Monitor Device 43, insulated case

44, wet electric precipitator presses Rectification Power Factor 45, wet Electric Field in ESP electrode

46, the equal conductance flowing plate 47 of wet electric precipitator, wet electric precipitator

48, chimney 401, the 5th temperature sensor

402, the 5th pressure sensor 403, wet electric precipitator solenoid valve

50, dewaterer 51, first pipe

52, second pipe 53, third pipeline

54, the 4th pipeline 55, the 5th pipeline

521, the first heat exchanger tube 531, the second heat exchanger tube

522- heat-exchange tube

Specific embodiment

Referring to figs. 1 to Fig. 3, it to include coal dust tower that show the specific structures of the preferred embodiment of the utility model Instrumentation 10, boiler body instrumentation 20, desulphurization system instrumentation 30 and deduster instrumentation 40.

The coal dust tower instrumentation 10 includes coal dust tower 11, powder tower deduster 12, powder tower air-introduced machine 13, agitating auger device 14, pressure feeding spiral device 15, weighing spiral organ 16, the first temperature sensor 101 and the first level sensor 102；The powder tower dedusting Device 12 and powder tower air-introduced machine 13 are all set in the top of coal dust tower 11, the agitating auger device 14, pressure feeding spiral device 15 and weighing spiral shell Spigot 16 is all set in the bottom of coal dust tower 11, and pressure feeding spiral device 15 is located at the lower section of agitating auger device 14, spiral organ 16 of weighing Positioned at the lower section of pressure feeding spiral device 15, first temperature sensor 101 and the first level sensor 102 are set to coal dust tower 11 It goes up and protrudes into coal dust tower 11；In the present embodiment, first temperature sensor 101 and the first level sensor 102 are Setting up and down is multiple, and every one first temperature sensor 101 is located above or below the first level sensor 102 of correspondence. The coal dust tower instrumentation 10 further includes having carbon-dioxide protecting device 103, which is arranged in coal It by the side of powder tower 11, is filled out inside carbon-dioxide protecting device 19 and rushes liquid carbon dioxide, carbon-dioxide protecting device 103 passes through height Pressure pipeline is connected with coal dust tower 11.

The boiler body instrumentation 20 includes boiler body 21, primary air fan 22, air blower 23, boiler induced-draft fan 24, water replanishing device 25, igniter 26, the three times blower No. 28, five times of blower No. 27, four times blower 29, burner 200, fire box temperature Sensor 201, flame detector 202, first pressure sensor 203, liquid level sensor 204, the 205, the 6th temperature of oxygen amount sensor It spends sensor 206, the 6th pressure sensor 207, oxygen content and detects instrument 208, soot blowing solenoid valve 209, II heat convection section cigarette Pressure 210；The bottom of the boiler body 21 connects the bottom of coal dust tower 11, the primary air fan 22 connection the by first pipe 51 One pipeline 51, the air blower 23 connect boiler body 21 by second pipe 52, and the input port of the boiler induced-draft fan 24 passes through the Three pipelines 53 connect flue gas outlet, the 4th pipeline 54 and the 5th pipeline 55 of boiler body 21, the flame detector 202 setting In in boiler body 21, which is set on drum 221, the fire box temperature sensor 27, first pressure sensor 203 (combustion chamber drafts) are set in boiler body 21, and liquid level sensor 204 is all set in drum 221, the oxygen amount sensor 205 are set on horizontal pipe 231, which is set to the bottom of boiler body 21.

In the utility model, the boiler body instrumentation 20 further includes having No. 26, four blowers 27 and five of blower three times Secondary blower 28, No. 27, four blowers 28 of blower and No. five blowers 29 are all connected with boiler body 21 three times for this, this three times blower 27 go out The air outlet of air port and No. five blowers 29 is located at the bottom of boiler body 21, and the air outlet of No. five blowers 29 is located at tertiary air The air outlet of the top of the air outlet of machine 27, No. four blowers 28 is located in the middle part of boiler body 21.

It further include the first heat exchanger tube 521 and the second heat exchanger tube 531 as a kind of preferred embodiment of the utility model, first Be equipped with heat-exchange tube 522 in heat exchanger tube 521, be equipped with cooling medium in heat-exchange tube 522, in embodiment, cooling medium be water or Organic heat carrier, the second heat exchanger tube 531 are connected to the first heat exchanger tube 521, and the second pipe 52 is threaded through the second heat exchanger tube 531 At connector, the outlet of second pipe 52 be connected to boiler body instrumentation 20 to burner 200, the second heat exchanger tube 531 outlet end is connect with the input end of the third pipeline 53, the outlet end of the first heat exchanger tube 521 and the second heat exchanger tube 531 Input end connection, the input end of the first heat exchanger tube 521 connect with the flue gas output end of the boiler body instrumentation 20.It adopts With this structure, air blast be can be absorbed when passing through second pipe 52 and the second heat exchanger tube 531 through 531 flue gas of the second heat exchanger tube Heat makes full use of flue gas heat so that flue-gas temperature is passed to air blast, and is more easier burning, improves system effectiveness.

The desulphurization system instrumentation 30 includes desulfurizing tower 31, circulating pump 32, apparatus for preparing desulphurizing agent 33 and pH monitoring Device 34, swirl-flow devices 35, spray pump 36, sprayed tank 37, pulping tank 38, circulating tank 39, demister 301, demister backwash Pump the 302, the 4th temperature sensor 303, the 4th pressure sensor 304, desulfurizing tower motor-driven valve 305, demister backwashing solenoid valve 306, solenoid valve 307, ultrasonic level gage 308 are washed in water inlet；The entrance of the delivery outlet connection chimney 48 of boiler induced-draft fan 24, chimney On-Line Monitor Device 42 is equipped in 48, which is set at 5 meters away from 48 entrance of chimney.The circulating pump 32 it is defeated Entrance connects the bottom of circulating tank 39, and 32 delivery outlet of circulating pump is connected to 35 middle and upper part of swirl-flow devices, the input port of spray pump 36 The bottom of sprayed tank 37 is connected, 36 delivery outlet of spray pump is connected to desulfurizing tower into the spray equipment 309 of smoke chamber top and the bottom, demisting 302 input port of device backwashing pump and delivery outlet are separately connected running water inlet and demister backwashing solenoid valve import, backwash For 306 equipment of electromagnetic valve device above demister 301, the import of apparatus for preparing desulphurizing agent 33 is connected to 31 bottom of desulfurizing tower ontology Pulping tank 38, the pH monitoring device 34 are set to inside 31 pulping tank 38 of desulfurizing tower, 308 device of ultrasonic level gage setting In on circulating tank 39, third pipeline 53 is equipped with third temperature sensor 213 and third pressure sensor 214, and the 4th temperature passes Sensor 303, the 4th pressure sensor 304 are set in the 4th pipeline 54.

The deduster instrumentation 40 include body of deduster 40, insulated case 43, wet electric precipitator high-voltage rectifying unit 44, The equal conductance flowing plate 46 of wet Electric Field in ESP electrode 45, wet electric precipitator, the 4th temperature sensor 401, the 4th pressure sensor 402, wet electric precipitation backwashing solenoid valve 403；The wet equal conductance flowing plate 46 of electric precipitator is set to above deduster import smoke-box； The wet Electric Field in ESP electrode 45 is set to 41 center of honeycomb duct；Wet electric precipitator high-voltage rectifying unit 44, insulated case 43 are set It is placed at the top of body of deduster, the wet electric precipitator outlet temperature 401 and wet electric precipitator outlet pressure 402 are located at the 5th pipeline On 55, which is located at 40 top of body of deduster.

The utility model includes production management and control administrative system, and shown production management includes Operator station, engineer station, history server etc. use local area network configuration.Control administrative system includes Interface Station, scene control System station, field instrument equipment.Production management controls administrative system feedback information according to each subsidiary factory and carries out configuration.Production Administrative system can collect multiple subsidiary factory's boiler system information, be that this project system is at the highest level, be collecting and distributing controlling terminal, it is wrapped Containing real time monitoring and daily management two parts.Not only undertake each subitem boiler, dedusting, desulfurization and denitrating system data monitoring, fortune Row prioritization scheme suggestion, also each subitem boiler system day ordinary water of specification, fuel, electricity, vapour (heat) etc. on the basis of Data Integration Output energy consumption is collected simultaneously after all kinds of energy consumption datas, project operation situation classification analysis to manage and providing decision-making foundation, and can lead to It crosses Wide Area Network and carries out remote transmission displaying.

The field control station includes arithmetic unit, memory, measuring unit.The operator station is completed by visualization The human-computer interaction device of operator and robot control system(RCS).The engineer station is to carry out configuration and monitoring human-computer to Universal self-controlled system Interactive device, the Wide Area Network are each station bridges of connection.

Control administrative system is directly connected with production process, is the basis of Universal self-controlled system, by various kinds of sensors, becomes Device and actuator is sent to form.They are converted to the various parameters variable in boiler, dedusting, desulfurization and denitrating system operational process It is suitable for the received electric signal of computer, is sent to process control station or data collection station；Process control station is again by the control of output Device signal is sent to field control level equipment, with drive control valve or frequency converter etc., realize to boiler, dedusting, desulfurization and The centralized control of denitrating system operation.

Specifically:

When coal dust tower 11 starts to squeeze into coal dust, field control station automatically turns on powder tower deduster 12 and powder tower air-introduced machine 13, powder tower deduster 12 opens the fugitive dust for collecting coal dust tower 11 when powder is beaten in filtering, while opening powder tower air-introduced machine 13 and being used for Being discharged in coal dust tower 11 reduces coal dust driving resistance through the filtered air of powder tower deduster 12, makes powder tower deduster after powder 12 and 13 automatic delay function of powder tower air-introduced machine, for draining the remaining hot sky because beating after powder in coal dust tower 11 in coal dust tower 11 Air-flow.When the first temperature sensor 101 detection temperature is greater than setting alarm temperature, field control station automatically turns on carbon dioxide Carbon dioxide in carbon-dioxide protecting device 103 is squeezed into coal dust tower 11 by pressure piping, passes through dioxy by protective device 103 Change carbon starvation principle to reach to 11 inside coal dust of coal dust tower to back-fire relief cooling purpose.Reach when storing coal dust in coal dust tower 11 When the first 102 detected height of level sensor, field control station carries out sound-light alarm, and 11 inside coal dust of coal dust tower is prompted to deposit Amount.

Delay is opened automatically step by step after ignition source is lighted for weighing spiral organ 16, pressure feeding spiral device 15 and agitating auger device 14 It opens, when boiler body instrumentation 20 is lighted a fire, igniter 26 automatically turns on point natural gas or oil liquefied gas, works as natural gas Or oil liquefied gas is when lighting, flame detector 202 detects stablize photosensitive fire source information after feed back to field control station, scene Control station automatically turns on primary air fan 22, and when 22 wind pressure of primary air fan reaches setting value, field control station is opened step by step automatically It weighs spiral organ 16, pressure feeding spiral device 15 and agitating auger device 14, opens next stage after delay 5 seconds when every grade of opening of device and set It is standby.

The boiler body instrumentation 20 run when, air blower 23 according to 205 set point feedback parameter of oxygen amount sensor into Row air quantity frequency conversion automatic adjustment, boiler induced-draft fan 24 carry out boiler induced-draft fan 24 according to 203 feedback parameter of first pressure sensor Power frequency conversion automatic adjustment, water replanishing device 25 is according to 204 feedback parameter of liquid level sensor, Feedwater Flow parameters and steam flow Parameter carries out liquid level frequency conversion automatic adjustment.Fire box temperature sensor 201, first pressure sensor 203, liquid level sensor 204, oxygen Quantity sensor 208 is respectively provided with the measures such as high low parameter automatic alarm and the automatic blowing out of absolute rating, when each sensor apparatus detects When the data arrived are equal to control station setting alarm parameters, control station carries out sound-light alarm, when the number that each sensor apparatus detects When according to being equal to the field control station chain blowing out parameter of setting, field control station forces control equipment blowing out.Field control station according to Setting program, in combination with fire box temperature sensor 201, boiler export oxygen amount sensor 205, boiler system tail portion on-line checking 42 fed back values of device, the air flow rate proportioning of adjust automatically No. 28, five blowers 29 of No. 27, four blowers of blower three times.

When the deduster instrumentation 40 is run, wet electric precipitator is adjusted according to 402 fed back values of the 5th pressure sensor The measures such as high low parameter automatic alarm and the automatic blowing out of absolute rating are arranged in solenoid valve 403, the 5th temperature sensor 401.

When the desulphurization system instrumentation 30 is run, circulating pump 32 is automatic according to 42 Real-time Monitoring Data of on-Line Monitor Device Running frequency is adjusted, apparatus for preparing desulphurizing agent 33 prepares frequency according to 34 Real-time Monitoring Data adjust automatically desulfurizing agent of pH monitoring device Rate.

The utility model by controlling the operation of each appliance arrangement using each sensor, instead of people to instrument and equipment and Boiler transports row control, makes up to expected state or performance indicator.To traditional boiler attendance process using automatic control Technology can effectively improve the economic benefit of steam quality and boiler operatiopn.To under some adverse circumstances and long-play behaviour The boiler system of work, automatic control, which seems, to be even more important, and can not only reduce operations staff's manipulation strength, moreover it is possible to reduce maloperation Occurrence probability plays positive promotion to science and technology, economy and society development and makees to guarantee production safety, economy, effectively operation With.

The product form of the utility model is not limited to this case diagram and embodiment, anyone carries out similar thinking to it Appropriate changes or modifications all should be regarded as the patent category for not departing from the utility model.

Claims (7)

1. a kind of industrial boiler desulfurizing, dedusting and denitrification integral system, including coal dust tower instrumentation, boiler body instrument are set Standby, desulphurization system instrumentation and deduster instrumentation are equipped with the first temperature sensor and the in coal dust tower instrumentation One level sensor is equipped with first pressure sensor, liquid level sensor and oxygen amount sensor, coal in boiler body instrumentation The discharge end of powder tower instrumentation is connected to the bottom of boiler body instrumentation by first pipe, is connected in first pipe Primary air fan, it is characterised in that: the flue gas output end of the boiler body instrumentation passes through third pipeline and the desulfurization system Unite the flue gas input terminal connection of instrumentation, the flue gas output end of the desulphurization system instrumentation by the 4th pipeline with it is described The flue gas input terminal of deduster instrumentation connects, and the flue gas output end of the deduster instrumentation is connected by the 5th pipeline Into the input end of air-introduced machine, the outlet end of air-introduced machine is connected to chimney, in third pipeline be equipped with third pressure sensor and Third temperature sensor is equipped with the 4th pressure sensor and the 4th temperature sensor in the 4th pipeline, and the is equipped in the 5th pipeline Five pressure sensors and the 5th temperature sensor.

2. a kind of industrial boiler desulfurizing, dedusting and denitrification integral system as described in claim 1, it is characterised in that: also wrap The first heat exchanger tube, the second heat exchanger tube and air blower are included, the boiler body instrumentation includes boiler body, and air blower passes through Second pipe connects boiler body, and heat-exchange tube is equipped in the first heat exchanger tube, and cooling medium, the second heat exchange are equipped in heat-exchange tube Pipe is connected to the first heat exchanger tube, and the second pipe is threaded through at the second heat exchange tube connection ports, the outlet of the second pipe It is connect with the burner of the boiler body instrumentation, the input end of the outlet end of the second heat exchanger tube and the third pipeline connects It connects, the outlet end of the first heat exchanger tube is connect with the input end of the second heat exchanger tube, the input end of the first heat exchanger tube and the boiler sheet The flue gas output end of body instrumentation connects.

3. a kind of industrial boiler desulfurizing, dedusting and denitrification integral system as claimed in claim 2, it is characterised in that: described The joining place of first heat exchanger tube and the second heat exchanger tube is equipped with second pressure sensor and second temperature sensor.

4. a kind of industrial boiler desulfurizing, dedusting and denitrification integral system as claimed in claim 3, it is characterised in that: described Horizontal pipe, horizontal pipe are equipped between the flue gas output end of boiler body instrumentation and the input terminal of first heat exchanger tube In be equipped with the 6th pressure sensor and the 6th temperature sensor.

5. a kind of industrial boiler desulfurizing, dedusting and denitrification integral system as claimed in claim 4, it is characterised in that: described Boiler body instrumentation is also connected with blower, No. four blowers and No. five blowers three times.

6. a kind of industrial boiler desulfurizing, dedusting and denitrification integral system such as described in any one of claim 1 to 5, feature Be: the desulphurization system instrumentation includes desulfurizing tower, is respectively equipped with spray equipment, swirl-flow devices from bottom to top in desulfurizing tower And demister, the 4th pipeline are connected to the top of desulfurizing tower, the bottom of desulfurizing tower is connected with pulping tank, the desulfurization system Instrumentation of uniting further includes sprayed tank and circulating tank, and sprayed tank and circulating tank are connected to pulping tank, and spray equipment passes through spray Pump is connect with sprayed tank, and swirl-flow devices are connect by circulating pump with circulating pump.

7. a kind of industrial boiler desulfurizing, dedusting and denitrification integral system as claimed in claim 6, it is characterised in that: described It is equipped with PH monitoring device in pulping tank, is equipped with ultrasonic level gage in the circulating pump.