CN211133420U - Device for recovering waste heat of boiler - Google Patents
Device for recovering waste heat of boiler Download PDFInfo
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- CN211133420U CN211133420U CN201920023766.XU CN201920023766U CN211133420U CN 211133420 U CN211133420 U CN 211133420U CN 201920023766 U CN201920023766 U CN 201920023766U CN 211133420 U CN211133420 U CN 211133420U
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Abstract
The utility model relates to a device for recovering waste heat of a boiler. On the premise of furnace body transformation, an intelligent control center is a central control system of the device, all data collected from all working units of the device are collected, and the control center monitors, schedules and processes the data in real time; when the internal node network and the cloud or the external network perform real-time data processing, the furnace body waste heat recovery value is calculated immediately through the server, and accurate service is provided for the next user. From the hard indexes such as energy conservation, environmental protection, high efficiency of waste heat recovery and the like, the temperature-sensitive control unit, the intelligent heat exchanger, the hot gas cyclone sensor and the dust alarm which are arranged on the device respectively play a role, so that the cost performance of the boiler waste heat device is greatly improved, and simultaneously, the technical improvement and innovation ideas are provided for the industry.
Description
Technical Field
The utility model relates to a container equipment in boiler field, especially a device of recovery boiler waste heat.
Background
Regarding the waste heat recovery technology of high temperature container equipment, the mature case just like chinese patent document CN207418577U discloses a waste heat recovery boiler for producing glass beads, the lower part of the waste heat recovery boiler is provided with an equipment base, the upper part of the equipment base is connected with a cylindrical combustion production chamber, the lower part of the combustion production chamber is provided with a single-layer or staggered-layer raw material inlet, viewing ports are symmetrically arranged on two sides of the combustion diffusion chamber above the single-layer or staggered-layer raw material inlet, the upper end of the combustion production chamber is connected with the combustion diffusion chamber, and a cylinder wall pipe of the combustion production chamber is connected with a cylinder wall pipe of the diffusion chamber through a steel pipe. The lower end of the interior of the combustion diffusion chamber is provided with a finished product outlet, the outer side of the combustion diffusion chamber is provided with a membrane water-cooling wall, a steam-water leading-out straight pipe system is symmetrically arranged at the upper end of the combustion diffusion chamber, a top annular water collecting tank is connected between the steam-water leading-out straight pipe system and the steam-water leading-out pipe system, and the steam-water leading-out pipe system is connected with the upper boiler barrel. The furnace walls of the combustion diffusion chamber and the combustion production chamber are made of heat-resistant steel pipes and steel plates.
Chinese patent document CN207537334U discloses an energy recycling environmental protection boiler, which is an integral steam boiler or a split steam boiler, and the wall of the energy recycling environmental protection boiler is composed of heat-resistant steel pipes and steel plates. Because the steam is expanded for many times, the energy can be saved by more than 80 percent, and the water can be saved by 60 percent. The boiler adopts the compound anti-oxidation coating, has improved the life of boiler, and through the test, full load operation, the not blowing out, the life of boiler can reach 5 years. The oxidation resistance rate is improved by 60 percent at 1300 ℃.
The above publications systematically describe the working situation of energy saving and emission reduction by using the waste heat of the boiler. However, from the creative viewpoint, the production practice proves that still more appropriate technical scheme replaces the blueprint of the product design in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a device for recovering waste heat of a boiler is provided, which is the device and is characterized in that the boiler which is controlled and dispatched by an intelligent control center and has a novel integral structure is provided.
Therefore, the utility model solves the technical scheme of problem is: a device for recovering boiler waste heat comprises an internal network node server, an intelligent control center, a furnace body unit, a dust removal unit, a waste heat recovery unit and a furnace body base, wherein the furnace body unit consists of a heat source supply part and a hot gas rotary lifting part; the heat source supply part is composed of a gas unit, a supply unit and a temperature sensing control unit; the hot air cyclone lifting part consists of a furnace body lower part, a furnace body upper part and a hot air cyclone sensor; the dust removal unit consists of a three-stage dust removal mechanism, a dust removal pipeline and a dust removal box with a dust alarm; the waste heat recovery unit consists of an intelligent heat exchanger with a chip, a gas collector, a gas conveyer, a gas meter, a water injection regulating valve, a water level controller, a heat exchanger water replenishing mechanism and a circulating water return system; the dust removal unit is connected with the upper part of the furnace body through a dust removal pipeline in the unit; the waste heat recovery unit is connected with the upper part of the furnace body through a heat exchanger interface in the unit, and is connected with the lower part of the furnace body through a circulating water return system in the unit; the intelligent control center is associated with respective data signal acquisition circuits of the temperature sensing control unit, the hot gas cyclone sensor, the intelligent heat exchanger, the desulfurization and denitrification mechanism and the dust alarm, and is associated with the cloud end through the intranet node server.
Furthermore, arc-shaped bulges are arranged on the transition surfaces of the inner cavities of the lower part of the furnace body and the upper part of the furnace body of the hot gas spiral lifting part.
Further, the gas unit of the heat source supply part is composed of a gas tray, a nozzle, a combustion tray, a bidirectional feed channel and a combustion chamber, wherein the combustion chamber is connected with the lower part of the furnace body.
Furthermore, the discharging unit of the heat source supply part is composed of a spiral discharging mechanism, a screen separator, a discharging meter and a discharging pipe, wherein the discharging pipe is connected with a discharging port at the lower part of the furnace body.
Further, the temperature-sensitive control unit of the heat source supply unit is constituted by temperature sensors provided at the lower part and the upper part of the furnace body, respectively, wherein the temperature sensors are associated with a node network provided outside the furnace body unit.
Furthermore, the heat exchanger in the waste heat recovery unit is an intelligent heat exchanger associated with a node network arranged outside the furnace body unit, the gas volume data generated in real time by a gas collector, a gas conveyor and a gas meter arranged on the intelligent heat exchanger are subjected to parameter correction, adjustment and control by a control chip arranged in the intelligent heat exchanger, and the control chip is associated with the node network arranged outside the furnace body unit.
Further, tertiary dust removal mechanism is the device that collects spiral dust fall, recoil sack dust removal, water curtain dust removal as an organic whole among the dust removal unit, the dust removal case setting among the dust removal unit is in the tail end of dust removal pipeline sets up alarm on the dust removal case is in with set up the outer node net of furnace body unit is correlated with.
Furthermore, the water injection regulating valve and the water level controller which are arranged on the intelligent heat exchanger generate water quantity data in real time, the water quantity data are corrected, adjusted and controlled by a control chip arranged in the intelligent heat exchanger, and the control chip is associated with a node network arranged outside the furnace body unit.
Furthermore, the desulfurization and denitrification mechanism is composed of a first stage desulfurization and denitrification device, a second stage desulfurization and denitrification device and a third stage desulfurization and denitrification device, and the intelligent control center is in signal correlation with the first stage desulfurization and denitrification device, the second stage desulfurization and denitrification device and the third stage desulfurization and denitrification device.
Further, the temperatures of the temperature range sections corresponding to the first, second and third stages of desulfurization and denitrification devices of the desulfurization and denitrification mechanism are respectively greater than or equal to 900 ℃, greater than 300 ℃ and less than 400 ℃, and greater than 180 ℃ and less than 280 ℃.
Compared with the prior art, the utility model discloses the positive effect of production is very obvious: the intelligent control center is a central control system of the device, and all data collected from all working units of the device are collected and are monitored, scheduled and processed by the control center in real time; when the internal node network and the cloud or the external network perform real-time data processing, the furnace body waste heat recovery value is calculated immediately through the server, and accurate service is provided for the next user. From the hard indexes such as energy conservation, environmental protection, high efficiency of waste heat recovery and the like, the temperature-sensitive control unit, the intelligent heat exchanger, the hot gas cyclone sensor and the dust alarm which are arranged on the device respectively play a role, so that the cost performance of the boiler waste heat device is greatly improved, and simultaneously, the technical improvement and innovation ideas are provided for the industry.
Drawings
Fig. 1 is a schematic view of the overall structure of a waste heat recovery device for a boiler according to the present invention;
FIG. 2 is a schematic view of a structure of a bulge from the lower part of the furnace body to the inner cavity of the upper part of the furnace body in FIG. 1;
FIG. 3 is a schematic flow chart of a method for manufacturing a device for recovering waste heat of a boiler according to the present invention;
fig. 4 is a schematic diagram of the interaction between the intelligent control center of fig. 1 and each data signal working unit of the device.
In the figure: 1-intranet node network server, 11-node network outside the furnace body, 12-cloud end;
2-an intelligent control center;
3-a furnace body unit, wherein,
31-a heat source supply part,
311-gas unit, 3111-gas tray, 3112-nozzle, 3113-combustion tray, 3114-two-way feed channel, 3115-combustion chamber;
312-feeding unit, 3121-spiral discharging mechanism, 3122-sieving device, 3123-discharging pipe and 3124-discharging meter;
313-temperature sensing control unit, (3131) -furnace body lower temperature sensor, (3132) -furnace body upper temperature sensor;
32-hot gas cyclone rising part, 321-furnace body lower part, 3211-furnace body lower part water inlet joint, 322-furnace body upper part, 3221-furnace body upper part air outlet, 3222-furnace body upper part dust discharge convergence outlet, 323-hot gas cyclone sensor;
33-arc-shaped bulges of the hot gas spiral-lifting part;
4-dust removal unit, (41) - (spiral dust removal, backflushing cloth bag dust removal, water curtain dust removal) three-stage dust removal mechanism, (42) -dust removal pipeline, 421-dust removal pipeline interface, (43) -dust alarm, (44) -dust removal box;
5-a waste heat recovery unit, 51-an intelligent heat exchanger, 511-an intelligent heat exchanger interface, 52-a gas collector, 53-a gas conveyer, 54-a gas meter, 55-a water injection regulating valve, 56-a water level controller, 57-a heat exchanger water supplementing mechanism, 58-a circulating water return system and 59-a dust removal pipeline;
6-furnace body base, 61-high temperature resistant sealing gasket;
7-SOx/NOx control mechanism, (71) -first order SOx/NOx control equipment, (72) -second order SOx/NOx control equipment, (73) -third order SOx/NOx control equipment, 731-third order SOx/NOx control equipment sensor.
Detailed Description
Referring to the accompanying drawings 1 to 4, the utility model relates to a device for recovering waste heat of a boiler and a preparation method thereof. Aiming at the defects of the prior art, the device and the method are another innovation of the inventor, and specific implementation modes are given in the following embodiments.
In the first embodiment, boiler waste heat is a resource, and how to efficiently recover boiler waste heat is a common concern of those in the industry. In the past cases, the technicians in the field have more time and labor in the links from hot gas generation to water return, and have fewer and fewer innovative measures in the aspects of furnace temperature monitoring, furnace body structure and the like. For example, real-time control of furnace body temperature, monitoring of the speed of hot air flow in the furnace body, and heat exchange efficiency between heat in the furnace body and the outside are all factors influencing waste heat utilization. The utility model provides a new design scheme for solving the problems; just like the embodiment that says so, the device of recovery boiler waste heat that it relates to has intranet node server 1, intelligent control center 2, furnace body unit 3, dust removal unit 4, waste heat recovery unit 5, furnace body base 6. The furnace body unit 3 of the device is composed of a heat source supply part 31 and a hot air rotary lifting part 32; the heat source supply part is composed of a gas unit 311, a supply unit 312, and a temperature sensing control unit 313, and the temperature sensing control unit 313 is composed of a temperature sensor 3131 disposed at the lower part of the furnace body and a temperature sensor 3123 disposed at the upper part of the furnace body, respectively, wherein both of the temperature sensors are associated with an intranet server 1 disposed outside the furnace body unit 3. The gas unit in this example is composed of a gas tray 3111, nozzles 3112, a combustion tray 3113, a two-way feed passage 3114 and a combustion chamber 3115, wherein the combustion chamber 3115 is connected to the furnace body lower portion 321. The feeding unit 312 of the heat source supply part is composed of a spiral discharging mechanism 3121, a screen 3122, and a feeding pipe 3123, wherein the feeding pipe 3123 is connected to the furnace body lower part 321. The hot gas cyclone 32 in this example is composed of a furnace lower part 321, a furnace upper part 322, and a hot gas cyclone sensor 323, and the inner cavity transition surfaces of the furnace lower part 321 and the furnace upper part 322 of the hot gas cyclone have arc-shaped protrusions 33 of the hot gas cyclone. The dust removal unit 4 in this embodiment is composed of a three-stage dust removal mechanism 41 including a spiral dust removal mechanism, a back-flushing cloth bag dust removal mechanism and a water curtain dust removal mechanism, a dust removal pipeline 42, a dust alarm 43 and a dust removal box 44, wherein the dust removal box 44 in the dust removal unit 4 is arranged at the tail end of the dust removal pipeline 42, and the dust alarm 43 arranged on the dust removal box is associated with a node network arranged outside the furnace body unit. The waste heat recovery unit 5 in the embodiment is composed of an intelligent heat exchanger 51 with a chip, a gas collector 52, a gas conveyer 53, a gas meter 54, a water injection regulating valve 55, a water level controller 56, a heat exchanger water supplementing mechanism 57, a circulating water return system 58 and a dust removal pipeline 59; the intelligent heat exchanger 51 in the waste heat recovery unit 5 is an intelligent heat exchanger associated with the node network 11 arranged outside the furnace body unit 3, and the water volume data generated in real time by the water injection regulating valve 55 and the water level controller 56 arranged on the intelligent heat exchanger 51 are also subjected to parameter correction, adjustment and control by a control chip arranged in the intelligent heat exchanger, and the control chip is associated with the node network arranged outside the furnace body unit; the gas volume data generated by the gas collector 52, the gas conveyor 53 and the gas meter 54 arranged on the intelligent heat exchanger 51 in real time are subjected to parameter correction, adjustment and control by a control chip arranged in the intelligent heat exchanger 51, specifically, the control chip is associated with the node network 11 arranged outside the furnace body unit 3. The connection relationship of the above working units is that the dust removing unit 4 is connected with the upper part 322 of the furnace body through a dust removing pipeline 42 in the unit; the waste heat recovery unit 5 is connected with the furnace body upper part 322 through an intelligent heat exchanger 51 interface in the unit, and is connected with the furnace body lower part 321 through a circulating water return system 58 in the unit. The intelligent control center 2 in this embodiment is associated with the respective data signal acquisition circuits of the temperature-sensitive control unit 313, the hot gas cyclone sensor 323, the intelligent heat exchanger 51 and the dust alarm 43, and is associated with the furnace body external node network 11 or the cloud 12 through the internal network node server 1. The communication between the acquisition of each data signal and the network is realized through the intranet server, the connection of AI application service is provided for the user, and the AI application service can be realized no matter the user generates the waste heat of the boiler or instantly measures and purchases the boiler. Similarly, as part of the AI application service, since the feeding unit of the heat source supply part is composed of the spiral discharging mechanism and the screen separator, the discharging meter and the discharging pipe, and the discharging pipe is connected to the discharging port at the lower part of the furnace body, the amount of the discharging amount can be recorded by the discharging meter 3124 and the amount of each batch can be sent to the intelligent control center 2.
Embodiment two, according to the overall purpose of the high-efficient recovery of boiler waste heat, the utility model provides a how to set up boiler waste heat recovery device's measure. Firstly, preparing each part of the waste heat device of the recovery boiler, and then, according to the steps:
s1, respectively calibrating respective stations of a furnace body unit 3, a dust removal unit 4, a waste heat recovery unit 5 and a furnace body base 6 by using a laser calibrator, arranging a high-temperature-resistant sealing gasket 61 at the upper end of the furnace body base 6, installing the furnace body unit 3 assembled with a hot gas cyclone sensor 323, a gas unit 311, a feeding unit 312 and a temperature-sensitive control unit 313 on the furnace body base 6 by using a crane or a single-arm crane, and checking the sealing condition of the high-temperature-resistant sealing gasket 61;
s2, butting an intelligent heat exchanger interface 511 of the waste heat recovery unit 5 with an air outlet 3221 at the upper part of the furnace body, and then checking the connection state of each interface;
s3, connecting a dust removal pipeline interface 421 of the dust removal unit with a dust discharge convergence outlet 3222 at the upper part of the furnace body, adjusting stations of each mechanism of spiral dust removal, backflushing cloth bag dust removal and water curtain dust removal in the three-stage dust removal mechanism, and arranging the spiral dust removal mechanism in front of the backflushing cloth bag dust removal mechanism;
s4, cold machine inspection, namely inspecting and adjusting the connection conditions among the furnace body unit, the dust removal unit and the waste heat recovery unit by contrasting the detection parameters again, wherein the static working conditions of the gas unit 311, the material supply unit 312 and the temperature sensing control unit 313 of the heat source supply part are tested and adjusted respectively; respectively testing and adjusting the static working conditions of an intelligent heat exchanger 51, a gas collector 52, a gas conveyer 53, a gas meter 54, a water injection regulating valve 55, a water level controller 56, a heat exchanger water supplementing mechanism 57 and a circulating water return system 58 of the waste heat recovery unit; respectively testing and adjusting the static working conditions of the three-stage dust removal mechanism 41, the dust removal pipeline 42 and the dust removal box 44 of the dust removal unit; until all static parameters of the waste heat device of the recovery boiler meet the engineering design requirements;
s5, checking a heat engine, namely respectively checking dynamic working conditions of a gas unit, a feeding unit and a temperature sensing control unit of a heat source supply part; the total duration is twenty-four hours, and the heat engine inspection is carried out in three stages: in the first stage, the gas unit supplies gas and the material is supplied by the material supply unit 312, the ignition is carried out, the temperature in the furnace is gradually increased, and the temperature change parameter of the furnace is provided for the intelligent control center 2 by the temperature sensing control unit 313; that is, when the nozzle 3112 in the combustion unit 311 supplies gas to the combustion tray 3113 and the temperature inside the furnace body within thirty minutes from the initial state of the combustion chamber 3115 is collected by the furnace body lower temperature sensor 3131, and the temperature parameter is uploaded to the intelligent control center, if the temperature is less than 650 ℃, the intelligent control center sends an instruction to immediately cut off the gas supply to the gas unit, and the gas unit is mechanically inspected after cooling the furnace. In the second stage, during the first ten-minute period when the first stage is carried out, the material is fed again by the material feeding unit, the gas output of the gas nozzle 3112 is adjusted by the intelligent control center, the temperature data of the heat source supply part 31 is detected by the temperature sensing control unit, meanwhile, the hot gas rising data of the hot gas rising part is collected by the hot gas swirling sensor 323, and then the two sets of data in the second stage are analyzed by the control center and uploaded to the internal node network server; after the two groups of data are analyzed and processed by the intelligent control center, the intelligent control center sends instructions to the gas unit and the material supply unit to respectively supply the dimensionalized gas and material supply quantities; that is, when the first ten minute period when the first stage is performed, the rising flow velocity of the hot gas flowing through the arc-shaped protrusion 33 of the hot gas rotation rising part between the lower part of the furnace body and the upper part of the furnace body is calculated according to the formula m/h, the flow velocity value is measured and calculated by the hot gas rotation flow sensor and is sent to the intelligent control center, and when the flow velocity is less than the preset parameter value of 0.1, the intelligent control center sends an instruction to immediately improve the water return of the gas supply and circulation water return system of the gas unit. In the third stage, in the second ten-minute period when the first stage is carried out, the intelligent heat exchanger 51 of the waste heat recovery unit starts the working states of the gas collector 52, the gas conveyor 53, the gas meter 54, the water injection regulating valve 55, the water level controller 56, the heat exchanger water replenishing mechanism 57 and the circulating water returning system 58, and sends the dynamic data of each part to the intelligent control center; the intelligent control center analyzes and processes the dynamic data of each part and uploads the dynamic data to the internal node network server, and finally the furnace body waste heat value is calculated to give a heat engine inspection and evaluation report;
s6, dust removal inspection, wherein when the third stage is started, the dust alarm 43 of the dust removal unit 4 is started by the intelligent control center 2, the dust processing condition of the three-stage dust removal mechanism is monitored, the dust alarm feeds back the data of dust processing to the intelligent control center, and when any one stage of dust removal mechanism breaks down, the dust alarm gives an alarm;
s7, desulfurization and denitrification inspection, wherein a three-level desulfurization and denitrification inspection step is determined according to a temperature interval: firstly, when a temperature sensor 3131 at the lower part of the furnace body detects that the temperature of the furnace is greater than or equal to 900 ℃, ammonia water is sprayed into a hearth by a first-stage desulfurization and denitrification device 71 arranged between a combustion chamber 3115 and the lower part 321 of the furnace body; the second-stage desulfurization and denitrification equipment 73 arranged between the upper part 322 of the furnace body and the air outlet 322 of the upper part of the furnace body sprays ammonia water into the hearth;
secondly, when a temperature sensor 3132 at the upper part of the furnace body detects that the temperature of the furnace is more than 300 ℃ and less than 400 ℃, ammonia water is sprayed to the top of the hearth by a second-stage desulfurization and denitrification device 72 arranged between the upper part 322 of the furnace body and a gas outlet 3221 at the upper part of the furnace body;
thirdly, when the temperature of the dust removal pipeline 42 detected by the third-stage desulfurization and denitrification device sensor 731 is greater than 180 ℃ and less than 280 ℃, ammonia water is sprayed into the furnace cavity by the third-stage desulfurization and denitrification device 73 arranged on the dust removal pipeline 42;
s8, acceptance, taking the data after the heat engine examination as a standard: the efficiency standard for recovering the waste heat of the boiler is as follows: when the water consumption of the boiler is 3.5 to 4 tons per hour, the gas consumption is 300 and 370m each hour, and the power consumption is 40KW, 3.5 to 4 tons of steam are generated.
According to the standard of the eighth step, the dynamic operation mode of the boiler waste heat recovery device is as follows: real-time data collected by a heat source supply part, a hot gas rotary lifting part, a temperature control unit, a waste heat recovery unit and a gas unit in the furnace body unit are all sent to an intelligent control center, and data information department processed by the intelligent control center interacts with a furnace body external node network or a cloud end through an internal node network.
The above embodiments are all technical improvement references provided by the inventor in the industry for improving the recovery rate of the waste heat of the boiler.
Claims (10)
1. A device for recovering boiler waste heat is provided with an internal network node server, an intelligent control center, a furnace body unit, a dust removal unit, a waste heat recovery unit, a desulfurization and denitrification mechanism and a furnace body base, and is characterized in that the furnace body unit is composed of a heat source supply part and a hot gas rotary lifting part; the heat source supply part is composed of a gas unit, a supply unit and a temperature sensing control unit; the hot air cyclone lifting part consists of a furnace body lower part, a furnace body upper part and a hot air cyclone sensor; the dust removal unit consists of a three-stage dust removal mechanism, a dust removal pipeline and a dust removal box with a dust alarm; the waste heat recovery unit consists of an intelligent heat exchanger with a chip, a gas collector, a gas conveyer, a gas meter, a water injection regulating valve, a water level controller, a heat exchanger water replenishing mechanism and a circulating water return system; the dust removal unit is connected with the upper part of the furnace body through a dust removal pipeline in the unit; the waste heat recovery unit is connected with the upper part of the furnace body through a heat exchanger interface in the unit, and is connected with the lower part of the furnace body through a circulating water return system in the unit; the intelligent control center is associated with respective data signal acquisition circuits of the temperature sensing control unit, the hot gas cyclone sensor, the intelligent heat exchanger, the desulfurization and denitrification mechanism and the dust alarm, and is associated with the cloud end through the intranet node server.
2. The apparatus for recovering waste heat of a boiler as set forth in claim 1, wherein said hot gas cyclone has an arc-shaped protrusion at a transition surface between the lower portion of the furnace body and the inner chamber of the furnace wall at the upper portion of the furnace body.
3. The apparatus for recovering waste heat of a boiler as claimed in claim 1, wherein the gas unit of the heat source supply part is composed of a gas tray, a nozzle, a combustion tray, a bidirectional feed passage and a combustion chamber, wherein the combustion chamber is connected with the lower part of the furnace body.
4. The apparatus for recovering waste heat of a boiler according to claim 1, wherein the feeding unit of the heat source supplying part is composed of a screw discharging mechanism, a screen separator, a discharging meter and a discharging pipe, wherein the discharging pipe is connected with a discharging port at a lower part of the furnace body.
5. The apparatus for recovering waste heat of a boiler according to claim 1, wherein the temperature-sensitive control unit of the heat source supply unit is constituted by temperature sensors provided at a lower portion and an upper portion of the furnace body, respectively, wherein the temperature sensors are associated with a node network provided outside the furnace body unit.
6. The device for recovering the waste heat of the boiler according to claim 1, wherein the heat exchanger in the waste heat recovery unit is an intelligent heat exchanger associated with a node network arranged outside the boiler body unit, gas volume data generated by a gas collector, a gas conveyor and a gas meter arranged on the intelligent heat exchanger in real time are subjected to parameter correction, adjustment and control by a control chip arranged in the intelligent heat exchanger, and the control chip is associated with the node network arranged outside the boiler body unit.
7. The device for recovering waste heat of a boiler according to claim 1, wherein the three-stage dust removing mechanism in the dust removing unit is a device integrating spiral dust removal, backflushing cloth bag dust removal and water curtain dust removal, a dust removing box in the dust removing unit is arranged at the tail end of the dust removing pipeline, and an alarm arranged on the dust removing box is associated with a node network arranged outside the boiler body unit.
8. The device for recovering the waste heat of the boiler according to claim 1, wherein water volume data generated by a water injection regulating valve and a water level controller arranged on the intelligent heat exchanger in real time are subjected to parameter correction, adjustment and control by a control chip arranged in the intelligent heat exchanger, and the control chip is associated with a node network arranged outside the boiler body unit.
9. The apparatus for recovering waste heat of a boiler according to claim 1, wherein the desulfurization and denitrification mechanism comprises a first, a second and a third stage desulfurization and denitrification devices, and the intelligent control center is in signal connection with the first, the second and the third stage desulfurization and denitrification devices.
10. The device for recovering the waste heat of the boiler according to claim 9, wherein the temperatures of the first, second and third stages of the desulfurization and denitrification mechanism and the corresponding temperature intervals are greater than or equal to 900 ℃, greater than 300 ℃ and less than 400 ℃, and greater than 180 ℃ and less than 280 ℃ respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920023766.XU CN211133420U (en) | 2019-01-08 | 2019-01-08 | Device for recovering waste heat of boiler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920023766.XU CN211133420U (en) | 2019-01-08 | 2019-01-08 | Device for recovering waste heat of boiler |
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| CN211133420U true CN211133420U (en) | 2020-07-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109453608A (en) * | 2019-01-08 | 2019-03-12 | 黄尚勇 | A kind of device and preparation method recycling boiler afterheat |
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2019
- 2019-01-08 CN CN201920023766.XU patent/CN211133420U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109453608A (en) * | 2019-01-08 | 2019-03-12 | 黄尚勇 | A kind of device and preparation method recycling boiler afterheat |
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