CN204816137U - Domestic waste burns flue gas demercuration, monitor control system - Google Patents
Domestic waste burns flue gas demercuration, monitor control system Download PDFInfo
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- CN204816137U CN204816137U CN201520615446.5U CN201520615446U CN204816137U CN 204816137 U CN204816137 U CN 204816137U CN 201520615446 U CN201520615446 U CN 201520615446U CN 204816137 U CN204816137 U CN 204816137U
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Abstract
Domestic waste burns flue gas demercuration, monitor control system relates to the environmental protection equipment field. Including the SCR reactor, spouting ammonia device, active carbon injection apparatus and electrical control device, the flue gas inlet of SCR reactor is provided with entry detection device, and the exhanst gas outlet of SCR reactor has set gradually active carbon injection apparatus and export detection device, spouting the ammonia device and sending out ware, air ammonia blender and ammonia pump including the ammonia storage tank that connects gradually, electric steaming, air ammonia blender still is connected with the fan, the ammonia pump passes through ammonia injection grid and connects the SCR reactor, spouts the catalysis layer into the SCR reactor through the ammonia pump with the ammonia, spout the ammonia device, active carbon injection apparatus is connected with the electrical control device respectively, through electrical control device automatic control. The utility model discloses a becoming more meticulous of demercuration, intensification control, the mercurous volume of having guaranteed to emit into the flue gas of air accords with the standard of country.
Description
Technical field
The utility model relates to field of environment protection equipment, is specially one way of life flue gas of refuse burning demercuration, monitor control system.
Background technology
Burn in industry, consumer waste incineration mercury emission accounts for certain weight proportion.Rubbish is in the discharge of burning process mercury, and in the circulation of local mercury, have suitable harmfulness, its harmfulness not only has disguise but also has potentiality.
The emission limit of " consumer waste incineration Environmental capacity standard " (GB18485-2014) regulation mercury that China is existing is 0.05mg/m3.Nowadays, along with the development of China's waste incineration, waste incineration and generating electricity is about to step into the eco-friendly environmental stage.Therefore, the mercury emissions standard meeting increasingly stringent of China's waste incineration and generating electricity industry, country also can continue to increase the control dynamics of mercury emissions.
Utility model content
The purpose of this utility model is to provide one way of life flue gas of refuse burning demercuration, monitor control system, and this system can detect gas mercury content by checkout gear, automatically controls the emitted dose of ammonia-gas spraying device, active carbon injection apparatus.
The technical scheme realizing above-mentioned purpose is: incineration flue gas of household garbage demercuration, monitor control system, it is characterized in that: comprise SCR reactor, ammonia-gas spraying device, active carbon injection apparatus and electrical control gear, the gas approach of SCR reactor is provided with entrance checkout gear, described entrance checkout gear comprises flue-gas temperature checkout gear and the first mercury content checkout gear, the exhanst gas outlet of SCR reactor is disposed with active carbon injection apparatus and outlet checkout gear, and described outlet checkout gear comprises ammonia content checkout gear and the second mercury content checkout gear; Described ammonia-gas spraying device comprises the ammonia storage tank, electrical evaporator, air ammonia blender and the ammonia pump that connect successively, air ammonia blender is also connected with blower fan, described ammonia pump connects SCR reactor by ammonia-spraying grid, by ammonia pump, ammonia is sprayed into the Catalytic Layer of SCR reactor; Ammonia-gas spraying device, active carbon injection apparatus are connected with electrical control gear respectively, are automatically controlled by electrical control gear.
Described active carbon injection apparatus comprises active carbon warehouse, the port of export of active carbon warehouse is connected with active carbon quantitative dispenser, and the port of export of described active carbon quantitative dispenser is connected with injector, and the port of export of described injector connects the exhanst gas outlet of SCR reactor.
Described electrical control gear comprises computer control, computer control is connected with alarm and display screen, the input of described computer control connects the signal output part of the signal output part of flue-gas temperature checkout gear, the signal output part of the first mercury content checkout gear, the signal output part of ammonia content checkout gear and the second mercury content checkout gear, and the output of computer control connects the ammonia pump of ammonia-gas spraying device and the injector of active carbon injection apparatus by relay.
Operation principle of the present utility model:
The gas approach of SCR reactor is provided with entrance checkout gear, exhanst gas outlet is provided with outlet checkout gear, entrance checkout gear is for detecting the mercury content in cigarette temperature and flue gas, outlet checkout gear is for detecting ammonia content in flue gas and mercury content, the data detected transfer to computer control, and computer control controls the ammonia spraying amount of ammonia-gas spraying device and the active carbon emitted dose of active carbon injection apparatus according to data analysis technology.
The display of electrical control gear can show inlet flue gas temperature and outlet amount of ammonia slip data.When demercuration efficiency is too small or amount of ammonia slip is excessive, the denitration efficiency calculated or the escaping of ammonia rate score are understood flickering display and are sent to alarm.
The utility model achieves becoming more meticulous of demercuration, intensive control, ensure that the mercury content of the flue gas entering air meets the standard of country.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the schematic diagram of ammonia-gas spraying device;
Fig. 3 is the structural representation of active carbon injection apparatus;
Fig. 4 is the schematic diagram of electrical control gear.
Detailed description of the invention
As shown in Figure 1,2,3, 4, the utility model comprises SCR reactor 1, ammonia-gas spraying device 2, active carbon injection apparatus 3 and electrical control gear 4, the gas approach of SCR reactor 1 is provided with entrance checkout gear, entrance checkout gear comprises flue-gas temperature checkout gear 5 and the first mercury content checkout gear 6, the exhanst gas outlet of SCR reactor 1 is disposed with active carbon injection apparatus 3 and outlet checkout gear, and outlet checkout gear comprises ammonia content checkout gear 7 and the second mercury content checkout gear 8.
Ammonia-gas spraying device 2 comprises the ammonia storage tank 9, electrical evaporator 10, air ammonia blender 11 and the ammonia pump 12 that connect successively, air ammonia blender 11 is also connected with blower fan 13, ammonia pump 12 connects SCR reactor 1 by ammonia-spraying grid 14, by ammonia pump 12, ammonia is sprayed into the Catalytic Layer of SCR reactor 1.
Active carbon injection apparatus 3 comprises active carbon warehouse 15, the port of export of active carbon warehouse 15 is connected with active carbon quantitative dispenser 16, the port of export of active carbon quantitative dispenser 16 is connected with injector 17, and the port of export of injector 17 connects the exhanst gas outlet of SCR reactor 1.
Electrical control gear 4 comprises computer control 18, computer control 18 is connected with alarm 19 and display screen 20, the input of computer control 18 connects the signal output part of the signal output part of flue-gas temperature checkout gear 5, the signal output part of the first mercury content checkout gear 6, the signal output part of ammonia content checkout gear 7 and the second mercury content checkout gear 8, and the output of computer control 18 connects the ammonia pump 12 of ammonia-gas spraying device 2 and the injector 17 of active carbon injection apparatus 3 by relay 21.
Claims (3)
1. incineration flue gas of household garbage demercuration, monitor control system, it is characterized in that: comprise SCR reactor, ammonia-gas spraying device, active carbon injection apparatus and electrical control gear, the gas approach of SCR reactor is provided with entrance checkout gear, described entrance checkout gear comprises flue-gas temperature checkout gear and the first mercury content checkout gear, the exhanst gas outlet of SCR reactor is disposed with active carbon injection apparatus and outlet checkout gear, and described outlet checkout gear comprises ammonia content checkout gear and the second mercury content checkout gear; Described ammonia-gas spraying device comprises the ammonia storage tank, electrical evaporator, air ammonia blender and the ammonia pump that connect successively, air ammonia blender is also connected with blower fan, described ammonia pump connects SCR reactor by ammonia-spraying grid, by ammonia pump, ammonia is sprayed into the Catalytic Layer of SCR reactor; Ammonia-gas spraying device, active carbon injection apparatus are connected with electrical control gear respectively, are automatically controlled by electrical control gear.
2. incineration flue gas of household garbage demercuration according to claim 1, monitor control system, it is characterized in that: described active carbon injection apparatus comprises active carbon warehouse, the port of export of active carbon warehouse is connected with active carbon quantitative dispenser, the port of export of described active carbon quantitative dispenser is connected with injector, and the port of export of described injector connects the exhanst gas outlet of SCR reactor.
3. incineration flue gas of household garbage demercuration according to claim 2, monitor control system, it is characterized in that: described electrical control gear comprises computer control, computer control is connected with alarm and display screen, the input of described computer control connects the signal output part of flue-gas temperature checkout gear, the signal output part of the first mercury content checkout gear, the signal output part of ammonia content checkout gear and the signal output part of the second mercury content checkout gear, the output of computer control connects the ammonia pump of ammonia-gas spraying device and the injector of active carbon injection apparatus by relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615446.5U CN204816137U (en) | 2015-08-17 | 2015-08-17 | Domestic waste burns flue gas demercuration, monitor control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615446.5U CN204816137U (en) | 2015-08-17 | 2015-08-17 | Domestic waste burns flue gas demercuration, monitor control system |
Publications (1)
| Publication Number | Publication Date |
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| CN204816137U true CN204816137U (en) | 2015-12-02 |
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| CN201520615446.5U Active CN204816137U (en) | 2015-08-17 | 2015-08-17 | Domestic waste burns flue gas demercuration, monitor control system |
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| CN (1) | CN204816137U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469593A (en) * | 2017-08-28 | 2017-12-15 | 中国天辰工程有限公司 | Emission-control equipment and method during a kind of sial phosphorus molecular sieve drying and roasting |
-
2015
- 2015-08-17 CN CN201520615446.5U patent/CN204816137U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469593A (en) * | 2017-08-28 | 2017-12-15 | 中国天辰工程有限公司 | Emission-control equipment and method during a kind of sial phosphorus molecular sieve drying and roasting |
| CN107469593B (en) * | 2017-08-28 | 2020-10-27 | 中国天辰工程有限公司 | Device and method for treating waste gas in drying and roasting process of silicon-aluminum-phosphorus molecular sieve |
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