CN220567266U - Timing anti-blocking purging device for differential pressure measuring point of garbage incinerator grate furnace - Google Patents
Timing anti-blocking purging device for differential pressure measuring point of garbage incinerator grate furnace Download PDFInfo
- Publication number
- CN220567266U CN220567266U CN202321868091.1U CN202321868091U CN220567266U CN 220567266 U CN220567266 U CN 220567266U CN 202321868091 U CN202321868091 U CN 202321868091U CN 220567266 U CN220567266 U CN 220567266U
- Authority
- CN
- China
- Prior art keywords
- pressure
- pressure detection
- detection device
- garbage incinerator
- differential pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010926 purge Methods 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 76
- 230000001105 regulatory effect Effects 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000009826 distribution Methods 0.000 claims abstract description 18
- 238000004056 waste incineration Methods 0.000 claims abstract description 4
- 238000009530 blood pressure measurement Methods 0.000 claims description 19
- 238000001914 filtration Methods 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims 1
- 238000005070 sampling Methods 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract 1
- 238000007664 blowing Methods 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a differential pressure measuring point timing anti-blocking purging device of a waste incineration grate furnace, belonging to the technical field of waste treatment; the device comprises: the device comprises a pressure detection assembly, a compressed air distribution box, a timing switch assembly and a pressure regulating filter; the pressure detection assembly comprises a plurality of pressure detection devices; the pressure detection device is used for detecting the differential pressure of the material layer; each pressure detection device comprises a high pressure detection device and a low pressure detection device; the high-pressure detection device and the low-pressure detection device comprise a pressure taking pipe and a pressure measuring device; the head end of the pressure taking pipe extends into the garbage incinerator, and the tail end of the pressure taking pipe is connected with the pressure measuring device; the air outlet of the compressed air distribution box is communicated with the air inlet of the pressure regulating filter. The utility model solves the problem that the pressure sampling port in the material layer differential pressure measuring point furnace is frequently blocked, and also solves the problem that the pressure sampling port in the material layer differential pressure measuring point furnace needs to be manually dredged.
Description
Technical Field
The utility model relates to the technical field of garbage treatment, in particular to a timed anti-blocking purging device for a differential pressure measuring point of a garbage incinerator grate.
Background
The garbage incinerator grate furnace arranged in the household garbage incineration system adopts a three-section double-row forward pushing reciprocating mechanical grate furnace. By introducing the AI technology, the problems of unstable and low steam production, high production cost, environmental protection, reduction and the like in the operation of garbage incinerator equipment of the garbage incineration power plant are solved.
The garbage incineration optimization algorithm in the AI incineration control technical scheme needs to comprise a multivariable reinforcement learning engine, a main operation parameter prediction engine and an abnormal working condition sensing engine, realizes the optimization control of feeder cycle, fire grate, primary air quantity, primary air temperature, secondary air quantity and desuperheating water through the cooperation of the three algorithm engines, realizes the boiler load coordination control on the basis, directly reflects the thickness of the material layer in the incinerator as an important operation parameter in the garbage incineration optimization algorithm by using the material layer differential pressure measuring point of the incinerator, and finally influences the garbage feeding (pusher), fire grate and slag discharging control algorithm.
When an AI incineration control system is used, the situation that a low-pressure sampling port in a furnace of a material layer differential pressure measuring point is blocked by dust often causes that a material layer differential pressure measured value is higher than an actual value, and indirectly causes that the feeding garbage in the incinerator is thinner, and the combustion working condition of a boiler is unstable.
Disclosure of Invention
The utility model aims to provide a high-efficiency garbage incinerator differential pressure measuring point timing anti-blocking purging device.
In order to solve the technical problems, the utility model provides a waste incineration grate furnace differential pressure measuring point timing anti-blocking purging device, which comprises a pressure detection assembly, a compressed air distribution box, a timing switch assembly and a pressure regulating filter;
the pressure detection assembly comprises a plurality of pressure detection devices; the pressure detection device is used for detecting the differential pressure of the material layer;
each pressure detection device comprises a high pressure detection device and a low pressure detection device; the high-pressure detection device and the low-pressure detection device comprise a pressure taking pipe and a pressure measuring device; the head end of the pressure taking pipe extends into the garbage incinerator, and the tail end of the pressure taking pipe is connected with the pressure measuring device;
the air outlet of the compressed air distribution box is communicated with the air inlet of the pressure regulating filter;
the air outlet of the pressure regulating filter is divided into a plurality of branches after passing through the main electromagnetic valve, and each branch is communicated with the pressure taking pipe after passing through the branch electromagnetic valve and the anti-blocking purging pipe;
the timing switch assembly is respectively connected with the main electromagnetic valve and the branch electromagnetic valve through signals.
Preferably, the pressure detection assembly comprises two pressure detection means;
the branch circuits are four paths and correspond to the pressure taking pipes of the high-pressure detection device and the low-pressure detection device of the two pressure detection devices respectively.
Preferably, a pressure detector of the high-pressure detection device is communicated with a flue gas corridor of the garbage incinerator;
and a pressure measurer of the low-pressure detection device is communicated with an air chamber of the garbage incinerator.
Preferably, the anti-blocking purging pipe is obliquely arranged from the tail end of the pressure taking pipe to one side of the head end.
Preferably, the pressure regulating filter comprises a filter component and a pressure regulating component which are sequentially arranged;
the air outlet of the compressed air distribution box is communicated with the air inlet of the filtering component;
the air outlet of the pressure regulating component is connected with a main electromagnetic valve;
a pressure gauge is arranged at the air outlet of the pressure regulating component;
the pressure gauge is in signal connection with a controller of the pressure regulating assembly.
Preferably, the timing switch assembly comprises a timing switch and a relay coil arranged in parallel.
Preferably, a first ball valve is arranged between the air outlet of the compressed air distribution box and the air inlet of the pressure regulating filter.
Preferably, a second ball valve is arranged between the bypass electromagnetic valve and the anti-blocking purging pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model combines the anti-blocking timing blowback and the AI filtering blowback, solves the problem of error calculation of the material layer thickness caused by inaccurate material layer differential pressure measurement points, and ensures the control accuracy of a feeding system (a pusher), a fire grate and a slag discharging system.
2. The utility model solves the problem that the pressure sampling port in the material layer differential pressure measuring point furnace is frequently blocked.
3. The utility model solves the problem that the pressure sampling port in the material layer differential pressure measuring point furnace needs to be manually dredged.
Drawings
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a pressure tube retrofit;
FIG. 2 is a schematic structural view of a differential pressure measurement point timing anti-blocking purging device of a garbage incinerator grate;
FIG. 3 is a schematic diagram of the structure of the timing switch assembly;
FIG. 4 is a logic diagram of an interference algorithm that causes abrupt change of differential pressure measurement points when back blowing of 1-2S is filtered.
In the figure: 1-a compressed air distribution box; 2-a pressure regulating filter; 21-a filter assembly; 22-a pressure regulating assembly; 23-pressure gauge; 3-a total electromagnetic valve; 4-branch electromagnetic valve; 5-anti-blocking purge pipe; 6, a pressure taking tube; 7-a pressure gauge; 8-a garbage incinerator; 9-a timing switch assembly; 91-a timing switch; 92-relay coil; 10-a first ball valve; 11-a second ball valve.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than those herein described, and those skilled in the art will readily appreciate that the present utility model may be similarly embodied without departing from the spirit or essential characteristics thereof, and therefore the present utility model is not limited to the specific embodiments disclosed below.
The terminology used in the one or more embodiments of the specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the one or more embodiments of the specification. As used in this specification, one or more embodiments and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used in one or more embodiments of the present specification refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that, although the terms first, second, etc. may be used in one or more embodiments of this specification to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, a first may also be referred to as a second, and similarly, a second may also be referred to as a first, without departing from the scope of one or more embodiments of the present description. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.
The utility model is described in further detail below with reference to the attached drawing figures:
the utility model provides a waste incineration grate furnace differential pressure measurement point timing anti-blocking blowing device, includes pressure detection subassembly, compressed air distributor box 1, timing switch subassembly 9 and pressure regulating filter 2;
the pressure detection assembly comprises a plurality of pressure detection devices; the pressure detection device is used for detecting the differential pressure of the material layer;
each pressure detection device comprises a high pressure detection device and a low pressure detection device; the high-pressure detection device and the low-pressure detection device comprise a pressure taking pipe 6 and a pressure measuring device 7; the head end of the pressure taking pipe 6 extends into the garbage incinerator 8, and the tail end of the pressure taking pipe is connected with the pressure measuring device 7;
the air outlet of the compressed air distribution box 1 is communicated with the air inlet of the pressure regulating filter 2;
the air outlet of the pressure regulating filter 2 is divided into a plurality of branches after passing through a main electromagnetic valve 3, and each branch is communicated with a pressure taking pipe 6 after passing through a branch electromagnetic valve 4 and an anti-blocking purging pipe 5;
the timing switch assembly 9 is respectively connected with the main electromagnetic valve 3 and the branch electromagnetic valve 4 in a signal way.
Preferably, the pressure detector 7 of the high-pressure detection device is communicated with a flue gas corridor of the garbage incinerator 8;
the pressure detector 7 of the low-pressure detection device is communicated with the air chamber of the garbage incinerator 8.
Preferably, the anti-blocking purge pipe 5 is obliquely arranged from the tail end of the pressure taking pipe 6 towards the head end side.
Preferably, the pressure regulating filter 2 comprises a filter assembly 21 and a pressure regulating assembly 22 which are arranged in sequence;
the air outlet of the compressed air distribution box 1 is communicated with the air inlet of the filtering component 21;
the air outlet of the pressure regulating component 22 is connected with the main electromagnetic valve 3;
a pressure gauge 23 is arranged at the air outlet of the pressure regulating assembly 22;
the pressure gauge 23 is in signal connection with the controller of the pressure regulating assembly 22.
Preferably, the timing switch assembly 9 includes a timing switch 91 and a relay coil 92 arranged in parallel.
Preferably, a first ball valve 10 is arranged between the air outlet of the compressed air distribution box 1 and the air inlet of the pressure regulating filter 2.
Preferably, a second ball valve 11 is arranged between the bypass electromagnetic valve 4 and the anti-blocking purge pipe 5.
Preferably, the pressure detection assembly comprises two pressure detection means;
the two pressure detection devices are respectively arranged on the two garbage incinerators 8;
the branch circuits are four paths and correspond to the pressure taking pipes 6 of the high-pressure detection device and the low-pressure detection device of the two pressure detection devices respectively.
In order to better illustrate the technical effects of the present utility model, the present utility model provides the following specific embodiments to illustrate the above technical flow:
the embodiment 1, a differential pressure measuring point timing anti-blocking purging device of a garbage incinerator grate furnace;
the household garbage incineration system is provided with 2 600t/d garbage incinerators, namely 8-row incinerators #1 and #2, and three sections of double-row forward-pushing reciprocating mechanical grate furnaces are adopted. AI incineration control upgrading is performed for the two incinerator control systems. By introducing the AI technology, the problems of unstable and low steam production, high production cost, environmental protection, reduction and the like in the operation of the garbage incinerator 8 equipment of the garbage incineration power plant are solved, and the aims of reducing the cost, enhancing the efficiency and improving the automation level are fulfilled.
The scheme comprises the following steps:
the boiler material layer differential pressure measuring point anti-blocking back blowing process is # 1:
(1) the high-pressure detection device and the pressure taking pipe 6 of the low-pressure detection device are respectively connected with the timing blowing compressed air, as shown in figure 1.
(2) And the pressure taking pipes 6 of the high-pressure detection device and the low-pressure detection device are respectively connected with the timing sweeping compressed air.
(3) A compressed air distribution box 1 for a 7-meter-layer main combustion platform instrument of a #1 boiler is provided with one air source, a main pipe of the branch is provided with one duplex pressure regulating filter 2 and one main electromagnetic valve 3, and then the main pipe is divided into 4 branch pipes to be respectively provided with a manual ball valve (a second ball valve 11) to be led to: the high-pressure detection device and the low-pressure detection device for the differential pressure measurement point of the material layer at the left side of the boiler #1 and the differential pressure measurement point detection device and the pressure sampling tube 6 of the detection device for the differential pressure measurement point of the material layer at the right side of the boiler # 1.
(4) In the boiler #1, a compressed air distribution box for a 7-meter-layer main combustion platform instrument takes one path of AC220 power supply to supply power to an infinite circulation timing switch 91 newly arranged in the box, and the timing switch 91 controls the electromagnetic valves (the total electromagnetic valve 3 and the branch electromagnetic valve 4) to be opened at fixed time, as shown in figure 3.
The boiler material layer differential pressure measuring point anti-blocking back blowing process is # 2:
(1) and the pressure taking pipes 6 of the high-pressure detection device and the low-pressure detection device are respectively connected with the timing sweeping compressed air.
(2) And the pressure taking pipes 6 of the high-pressure detection device and the low-pressure detection device are respectively connected with the timing sweeping compressed air.
(3) A compressed air distribution box 1 for a 7-meter-layer main combustion platform instrument of a #2 boiler is provided with one air source, a main pipe of the branch is provided with one duplex pressure regulating filter 2 and one main electromagnetic valve 3, and then the main pipe is divided into 4 branch pipes to be respectively provided with a manual ball valve (a second ball valve 11) to be led to: the high-pressure detection device and the low-pressure detection device for the differential pressure measurement point of the material layer at the left side of the boiler #2 and the differential pressure measurement point detection device and the pressure sampling tube 6 of the detection device for the differential pressure measurement point of the material layer at the right side of the boiler # 2.
(4) A compressed air distribution box for a 7-meter-layer main combustion platform instrument of a #2 boiler takes one path of AC220 power supply to supply power to an infinite circulation timing switch 91 newly arranged in the box, and a timer controls the electromagnetic valve to be opened at fixed time.
The timing switch 91 has the following functions:
(1) an infinite loop mode;
(2) a power-off memory function;
(3) precision 1S, and settable time interval 1S-24h;
(4) an operating voltage AC220V;
(5) working environment: -10-80 ℃.
The solenoid valve requires:
advance AC220V normally closed type
The process requirements are as follows:
(1) use of newly added purge gas source pipe
(2) A pressure-regulating filter 2, an electromagnetic valve, a manual ball valve and a joint are arranged.
Technological parameter setting requirements are as follows:
in the utility model, the back blowing adopts the compressed air for the boiler instrument, the output pressure of the duplex pressure-regulating filter 2 is set to be 0.2MPa in order to avoid damaging the sensor of the differential pressure transmitter due to overlarge back blowing pressure, and experiments show that the action time of the timer is set to be 2 seconds, and the interval time is 2 hours, so that the anti-blocking and dredging effects of each path of sampling hole of the differential pressure measuring point of the material layer can be met.
Boiler instrument compressed air specification meter
As shown in fig. 4, the principle of the anti-interference algorithm during the abrupt change of the differential pressure measurement point caused by the back blowing of filtering 1-2S is introduced:
the anti-interference algorithm during mutation mainly comprises detection and maintenance, and a blowback switching signal is constructed by detecting a mutation signal of the differential pressure of a material layer; when the normal differential pressure of the material layer is 200-800pa, and the change rate of the differential pressure value of the material layer exceeds 1000pa/s or the differential pressure value is more than 1500pa or less than 0pa, the differential pressure is considered to be suddenly changed.
When the back-blowing switch signal is ON, taking the average value of the material layer thickness 5min before the back-blowing signal is ON as the control input of the command actions such as feeding speed, grate cycle, primary air and the like, and keeping constant;
when the differential pressure falls back to the normal range (200-800 pa) and the time of the blowback signal ON exceeds the blowback time threshold, the normal material layer thickness value is recovered as the control input, so that the stability of the system is maintained, and the interference caused by blowback is avoided.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any changes or substitutions within the technical scope of the present utility model should be covered by the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a waste incineration grate furnace differential pressure measurement station is stifled purge unit is prevented to timing which characterized in that: comprises a pressure detection assembly, a compressed air distribution box (1), a timing switch assembly (9) and a pressure regulating filter (2);
the pressure detection assembly comprises a plurality of pressure detection devices; the pressure detection device is used for detecting the differential pressure of the material layer;
each pressure detection device comprises a high pressure detection device and a low pressure detection device; the high-pressure detection device and the low-pressure detection device comprise a pressure taking pipe (6) and a pressure measuring device (7); the head end of the pressure taking pipe (6) extends into the garbage incinerator (8), and the tail end of the pressure taking pipe is connected with the pressure measuring device (7);
the air outlet of the compressed air distribution box (1) is communicated with the air inlet of the pressure regulating filter (2);
the air outlet of the pressure regulating filter (2) is divided into a plurality of branches after passing through the main electromagnetic valve (3), and each branch is communicated with the pressure taking pipe (6) after passing through the branch electromagnetic valve (4) and the anti-blocking purging pipe (5);
the timing switch assembly (9) is respectively connected with the main electromagnetic valve (3) and the branch electromagnetic valve (4) in a signal mode.
2. The garbage incinerator differential pressure measurement point timing anti-blocking purging device according to claim 1, wherein:
the pressure detector (7) of the high-pressure detection device is communicated with a smoke corridor of the garbage incinerator (8);
and a pressure detector (7) of the low-pressure detection device is communicated with an air chamber of the garbage incinerator (8).
3. The garbage incinerator differential pressure measurement point timing anti-blocking purging device according to claim 2, wherein:
the anti-blocking purging pipe (5) is obliquely arranged from the tail end of the pressure taking pipe (6) towards one side of the head end.
4. The garbage incinerator differential pressure measurement point timing anti-blocking purging device according to claim 1, wherein:
the pressure regulating filter (2) comprises a filter assembly (21) and a pressure regulating assembly (22) which are sequentially arranged;
the air outlet of the compressed air distribution box (1) is communicated with the air inlet of the filtering component (21);
the air outlet of the pressure regulating component (22) is connected with the main electromagnetic valve (3);
a pressure gauge (23) is arranged at the air outlet of the pressure regulating assembly (22);
the pressure gauge (23) is connected with a controller of the pressure regulating assembly (22).
5. The garbage incinerator differential pressure measurement point timing anti-blocking purging device according to claim 1, wherein:
the timing switch assembly (9) comprises a timing switch (91) and a relay coil (92) which are arranged in parallel.
6. The garbage incinerator differential pressure measurement point timing anti-blocking purging device according to claim 1, wherein:
a first ball valve (10) is arranged between the air outlet of the compressed air distribution box (1) and the air inlet of the pressure regulating filter (2).
7. The garbage incinerator differential pressure measurement point timing anti-blocking purging device according to claim 1, wherein:
a second ball valve (11) is arranged between the bypass electromagnetic valve (4) and the anti-blocking purging pipe (5).
8. The garbage incinerator differential pressure measurement point timing anti-blocking purging device according to claim 1, wherein:
the pressure detection assembly comprises two pressure detection devices;
the two pressure detection devices are respectively arranged on the two garbage incinerators (8);
the branch circuits are four paths and correspond to pressure taking pipes (6) of the high-pressure detection device and the low-pressure detection device of the two pressure detection devices respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321868091.1U CN220567266U (en) | 2023-07-17 | 2023-07-17 | Timing anti-blocking purging device for differential pressure measuring point of garbage incinerator grate furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321868091.1U CN220567266U (en) | 2023-07-17 | 2023-07-17 | Timing anti-blocking purging device for differential pressure measuring point of garbage incinerator grate furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220567266U true CN220567266U (en) | 2024-03-08 |
Family
ID=90089029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321868091.1U Active CN220567266U (en) | 2023-07-17 | 2023-07-17 | Timing anti-blocking purging device for differential pressure measuring point of garbage incinerator grate furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220567266U (en) |
-
2023
- 2023-07-17 CN CN202321868091.1U patent/CN220567266U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101576247B (en) | Automatic control system for industrial coal powder boiler | |
| CN103256719B (en) | Furnace condition optimizing and monitoring device and method using same for optimizing | |
| CN101713536B (en) | Control method of combustion system of circulating fluidized bed boiler | |
| CN202228922U (en) | Energy saving management unit for pipeline gas supply | |
| CN110145745B (en) | Multi-drive reverse-push type garbage incinerator ACC control method and system | |
| CN111596632B (en) | Coal fired power plant ash conveying control optimization system | |
| CN201496940U (en) | Industrial coal dust boiler automatic control system | |
| CN113266843B (en) | Combustion optimization method, system and device for coal-fired boiler | |
| CN103759277A (en) | Intelligent soot blowing closed-loop control method, device and system for coal-fired power station boiler | |
| CN110263452B (en) | Flue gas time distribution characteristic analysis method and system in flue and denitration system | |
| CN113075913B (en) | Dynamic energy-saving control method for ash conveying system of coal-fired power plant based on actual coal quality parameters | |
| CN107991885A (en) | A kind of coal-burning power plant's denitration spray ammonia autocontrol method and system | |
| CN220567266U (en) | Timing anti-blocking purging device for differential pressure measuring point of garbage incinerator grate furnace | |
| CN110410918B (en) | Method and system for matching air supply quantity with air exhaust variable air quantity working condition | |
| CN102095204B (en) | Boiler soot blowing control device based on flue fly ash mass flow | |
| CN104630403A (en) | Combustion control method and combustion control system of top-combustion type hot-blast stove | |
| CN201973721U (en) | Special electric control system for dry smoke post-treating system of cremation machine | |
| CN116906908A (en) | Filtering method and system for sudden change interference of differential pressure measurement point of garbage incinerator grate furnace | |
| CN115437294A (en) | Magnetic suspension accurate coal feeding system for rotary kiln and control method | |
| CN202795024U (en) | Monitoring platform of biomass burning device | |
| CN113433980B (en) | Calculating denitration inlet NO under blowing working condition by system error method x Method for measuring values | |
| CN209519561U (en) | Plateau type oxygenerator | |
| CN110132045B (en) | Automatic control device for soot blowing of synthetic ammonia three-gas boiler | |
| CN211133420U (en) | Device for recovering waste heat of boiler | |
| CN113137766B (en) | Boiler automation control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |