CN205412650U - Purifier is retrieved to latent heat - Google Patents
Purifier is retrieved to latent heat Download PDFInfo
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- CN205412650U CN205412650U CN201620208893.3U CN201620208893U CN205412650U CN 205412650 U CN205412650 U CN 205412650U CN 201620208893 U CN201620208893 U CN 201620208893U CN 205412650 U CN205412650 U CN 205412650U
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- latent heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a purifier is retrieved to latent heat, the purifying column is retrieved including latent heat to this device, low temperature latent heat conversion tower, high temperature latent heat conversion tower, PH valve the control unit, the heat source, the cold source, concentrated solution pump and weak solution pump, the concentrated solution pump passes through tube coupling latent heat and retrieves purifying column concentrated solution entry and the export of low temperature latent heat conversion tower concentrated solution, weak solution pump and pH valve the control unit concatenate in proper order and retrieve the export of purifying column weak solution through tube coupling low temperature latent heat conversion tower weak solution entry and latent heat, the heat source inserts a mouthful UNICOM with low temperature latent heat conversion tower heat source, the cold source inserts a mouthful UNICOM with high temperature latent heat conversion tower cold source, low temperature latent heat conversion tower steam outlet connects high temperature latent heat conversion tower steam inlet. Steam and latent heat in the wet flue gas are retrieved simultaneously to in the wet flue gas remaining sulfur dioxide and smoke and dust behind this device desorption wet flue gas desulfurization, make the flue gas reach ultralow emission standard to realize the system energy saving mesh.
Description
Technical field
This utility model relates to a kind of recovery of latent heat purifier.
Background technology
Power plant is for reaching Standard in terms of environmental protection, and major technique has the technology such as SCR denitration, wet desulphurization, electric precipitation, makes substantial progress coal-burning power plant's prevention and control of air pollution work；But coal-burning power plant of China is fast-growth, and total size is increasing, being increasingly difficult to increase, to offset, the discharge increase brought on a large scale by original emission request, the haze phenomenon by extensive concern is exactly than more prominent environmental pollution example in recent years.Therefore coal unit is implemented in full minimum discharge and reducing energy consumption, gross coal consumption rate is greatly reduced and disposal of pollutants is the key of environmental conservation.
At the minimum discharge transformation initial stage, substantially take on the basis of existing environmental protection equipment renovation and improving, then install wet electrical dust precipitator additional at afterbody, utilize collaborative process effect to reach reduction of discharging and put forward effect.Along with the propelling of minimum discharge project, some new technology are engendered in recent years, such as the Technology of Integrating Desulfurization, single column integral desulfurization, dust removal advanced purification technology, boiling type foam the Technology of Integrating Desulfurization etc..Above green technology, the problem existed before particularly applying above-mentioned minimum discharge technological transformation mainly has: chimney burn into gypsum rain, desulfurization and dedusting poor effect, and put into safe construction risk is relatively big, operating cost is higher, and there is no output, bigger to the operated pressure of enterprise.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of recovery of latent heat purifier, remaining sulfur dioxide and flue dust in wet flue gas after the removing wet desulphurization of this device, reclaim the water vapour in wet flue gas and latent heat simultaneously, make flue gas reach minimum discharge standard, and realize energy saving of system purpose.
nullFor solving above-mentioned technical problem，This utility model recovery of latent heat purifier includes recovery of latent heat purifying column、Low temperature latent heat transfer column、High temperature latent heat transfer column、Acid-base value control unit、Thermal source、Low-temperature receiver、Concentrated solution pump and weak solution pump，Described recovery of latent heat purifying column comprises damp inlet、Dry gas exports、Concentrated solution entrance、Weak solution exports、Desulfurization outlet、Flue dust outlet，Described low temperature latent heat transfer column comprises concentrated solution outlet、Weak solution entrance、Thermal source access port、Steam (vapor) outlet，Described high temperature latent heat transfer column comprises steam inlet、Water out、Low-temperature receiver access port，Described concentrated solution pump connects described recovery of latent heat purifying column concentrated solution entrance respectively by pipeline and described low temperature latent heat transfer column concentrated solution exports，Described weak solution pump and acid-base value control unit are sequentially connected in series and pass through pipeline and connect described low temperature latent heat transfer column weak solution entrance and the outlet of recovery of latent heat purifying column weak solution respectively，Described thermal source and low temperature latent heat transfer column thermal source access port UNICOM，Described low-temperature receiver and high temperature latent heat transfer column low-temperature receiver access port UNICOM，Described low temperature latent heat transfer column steam (vapor) outlet connects described high temperature latent heat transfer column steam inlet.
Further, this device also includes that heat exchanger, described heat exchanger are located on described concentrated solution pump conduit and weak solution pump conduit.
Further, described thermal source comprises steam and/or fume afterheat, and described low-temperature receiver comprises the condensation water of Steam Turbine Regenerative System, boiler replenishing water, life moisturizing, boiler air or source pump.
Further, this device also includes recovered water pump and reclaims pond, and described high temperature latent heat transfer column water out connects described recovery pond through described recovered water pump.
Further, described recovery of latent heat purifying column damp inlet introduces the wet flue gas after wet desulphurization or the humid air of cooling tower exhaust outlet, and the dry flue gas after recovery of latent heat purifies or steam are discharged in the outlet of described recovery of latent heat purifying column dry gas.
Owing to this utility model recovery of latent heat purifier have employed technique scheme, this device i.e. includes recovery of latent heat purifying column, low temperature latent heat transfer column, high temperature latent heat transfer column, acid-base value control unit, thermal source, low-temperature receiver, concentrated solution pump and weak solution pump, concentrated solution pump connects recovery of latent heat purifying column concentrated solution entrance by pipeline and low temperature latent heat transfer column concentrated solution exports, weak solution pump and acid-base value control unit are sequentially connected in series and pass through pipeline and connect low temperature latent heat transfer column weak solution entrance and the outlet of recovery of latent heat purifying column weak solution, thermal source and low temperature latent heat transfer column thermal source access port UNICOM, low-temperature receiver and high temperature latent heat transfer column low-temperature receiver access port UNICOM, low temperature latent heat transfer column steam (vapor) outlet connects high temperature latent heat transfer column steam inlet.Remaining sulfur dioxide and flue dust in wet flue gas after the removing wet desulphurization of this device, reclaim the water vapour in wet flue gas and latent heat simultaneously, make flue gas reach minimum discharge standard, and realize energy saving of system purpose.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is this utility model recovery of latent heat purifier structural representation；
Fig. 2 is that in this device, thermal source uses heat exchanger, low-temperature receiver to use Steam Turbine Regenerative System to condense water schematic diagram；
Fig. 3 is that in this device, thermal source uses steam, low-temperature receiver to use moisturizing schematic diagram；
Fig. 4 is that in this device, low-temperature receiver uses boiler air schematic diagram.
Detailed description of the invention
nullEmbodiment is as shown in Figure 1，This utility model recovery of latent heat purifier includes recovery of latent heat purifying column 1、Low temperature latent heat transfer column 2、High temperature latent heat transfer column 3、Acid-base value control unit 4、Thermal source 5、Low-temperature receiver 6、Concentrated solution pump 7 and weak solution pump 8，Described recovery of latent heat purifying column 1 comprises damp inlet 11、Dry gas outlet 12、Concentrated solution entrance 13、Weak solution outlet 14、Desulfurization outlet 15、Flue dust outlet 16，Described low temperature latent heat transfer column 2 comprises concentrated solution outlet 21、Weak solution entrance 22、Thermal source access port 24、Steam (vapor) outlet 23，Described high temperature latent heat transfer column 3 comprises steam inlet 31、Water out 32、Low-temperature receiver access port 33，Described concentrated solution pump 7 connects described recovery of latent heat purifying column 1 concentrated solution entrance 13 and described low temperature latent heat transfer column 2 concentrated solution outlet 21 respectively by pipeline，Described weak solution pump 8 and acid-base value control unit 4 are sequentially connected in series and pass through pipeline and connect described low temperature latent heat transfer column 2 weak solution entrance 22 and recovery of latent heat purifying column 1 weak solution outlet 14 respectively，Described thermal source 5 and low temperature latent heat transfer column 2 thermal source access port 24 UNICOM，Described low-temperature receiver 6 and high temperature latent heat transfer column 3 low-temperature receiver access port 33 UNICOM，Described low temperature latent heat transfer column 2 steam (vapor) outlet 23 connects described high temperature latent heat transfer column 3 steam inlet 31.
Preferably, this device also includes that heat exchanger 71, described heat exchanger 71 are located on described concentrated solution pump 7 pipeline and weak solution pump 8 pipeline.
Preferably, as shown in Figures 2 to 4, described thermal source 5 comprises steam and/or fume afterheat, and described low-temperature receiver 6 comprises the condensation water of Steam Turbine Regenerative System, boiler replenishing water, life moisturizing, boiler air or source pump.
Preferably, this device also includes recovered water pump 91 and reclaims pond 9, and described high temperature latent heat transfer column 3 water out 32 connects described recovery pond 9 through described recovered water pump 91.
Preferably, described recovery of latent heat purifying column 1 damp inlet 11 introduces the wet flue gas after wet desulphurization or the humid air of cooling tower exhaust outlet, and the dry flue gas after recovery of latent heat purifies or steam are discharged in described recovery of latent heat purifying column 1 dry gas outlet 12.When this device is applied to Latent heat reclaiming clean, dry gas outlet 12 can connect chimney 17, and dry flue gas is discharged from chimney 17；Being applied to when the steam recovery of latent heat that cooling tower is discharged purifies, steam is directly discharged to atmospheric environment through dry gas outlet 12.
This device is applicable to Thermal generation unit, gas/oil-fired boiler unit flue gas or the recovery of latent heat of steam and purification, during its work, humid air (such as cooling tower top air-out), or the wet flue gas of power plant's wet desulfuration tower outlet, it is incorporated into recovery of latent heat purifying column 1 through damp inlet 11, it is fully contacted with the concentrated solution from low temperature latent heat transfer column 2 at Ta Nei, absorbing the moisture in wet flue gas or humid air, the gas after dry gas outlet 12 discharge recovery of latent heat purifying column 1 becomes dry flue gas or dry air and temperature raises；Concentrated solution is thinning after absorbing steam in recovery of latent heat purifying column 1, simultaneously discharge latent heat because steam becomes liquid solution temperature is raised, weak solution carries out a heat exchange by heat exchanger 71 with the concentrated solution removing recovery of latent heat purifying column 1 during returning low temperature latent heat transfer column 2, reduce the temperature of concentrated solution, improve temperature during weak solution return low temperature latent heat transfer column 2 further, and in weak solution return course, acid-base value control unit 4 control concentration or the acid-base value of solution；Weak solution is in low temperature latent heat transfer column 2, generation steam is heated by external source 5, weak solution is made to become concentrated solution and constantly circulate between recovery of latent heat purifying column 1 and low temperature latent heat transfer column 2, wherein concentrated solution and weak solution are easily to absorb the solution of steam, such as calcium chloride solution, lithium-bromide solution etc.；The steam of low temperature latent heat transfer column 2 is in steam (vapor) outlet 23 and steam inlet 31 enter high temperature latent heat transfer column 3, and is become condensation water by low-temperature receiver cooling, and condensation water is entered recovery pond 9 by water out 32 and reclaims.The power that wherein concentrated solution pump 7, weak solution pump 8 and recovered water pump 91 flow for providing liquid.Therefore, whole during the latent heat of wet flue gas or humid air absorbed by low-temperature receiver, condense water and be recycled.Additionally, for the wet flue gas after wet desulphurization, because of containing not removed remaining or fail to reach the material of the environmental pollutions such as the flue dust of effluent standard and sulfur dioxide, removed further by solution in recovery of latent heat purifying column 1 and discharge through desulfurization outlet 15 and flue dust outlet 16, thus reaching the purpose of purifying smoke so that fume emission reaches minimum discharge.
As in figure 2 it is shown, the thermal source in this device can use the heat exchanger 51 being located in steam and/or flue gas pipeline, heat exchanger 51 absorbs the heat of steam and/or flue gas with the weak solution in heating low temperature latent heat transfer column 2, reaches to be converted into the purpose of concentrated solution；Low-temperature receiver can use certain the one-level low-pressure heater 61 in Steam Turbine Regenerative System, the main condensate of steam turbine flows to high one-level low-pressure heater after this low-pressure heater 61, low-pressure heater 61 absorbs the heat of steam in high temperature latent heat transfer column 3, on the one hand steam in high temperature latent heat transfer column 3 is become condensation water, on the other hand improve the low-pressure heater 61 efficiency of heating surface to full-flow condensate, reduce energy consumption.
As it is shown on figure 3, the thermal source in this device may be used without the input 52 of drawing gas in Steam Turbine Regenerative System, after low temperature latent heat transfer column 2, become to condense water output 53；Low-temperature receiver can use the low temperature moisturizing input 62 in boiler replenishing water or life moisturizing, becomes high temperature moisturizing output 63 after high temperature latent heat transfer column 3.
As shown in Figure 4, the low-temperature receiver in this device may be used without the Cryogenic air input 64 of boiler air, becomes high temperature air output 65 after high temperature latent heat transfer column 3.
Thermal source and low-temperature receiver in this device can comprehensively utilize in conjunction with the cold and heat source of coal unit, both played thermal source and the effect of low-temperature receiver in this device, and reduced again the energy consumption of coal unit, reach energy-conservation purpose.
Claims (5)
- null1. a recovery of latent heat purifier，It is characterized in that: this device includes recovery of latent heat purifying column、Low temperature latent heat transfer column、High temperature latent heat transfer column、Acid-base value control unit、Thermal source、Low-temperature receiver、Concentrated solution pump and weak solution pump，Described recovery of latent heat purifying column comprises damp inlet、Dry gas exports、Concentrated solution entrance、Weak solution exports、Desulfurization outlet、Flue dust outlet，Described low temperature latent heat transfer column comprises concentrated solution outlet、Weak solution entrance、Thermal source access port、Steam (vapor) outlet，Described high temperature latent heat transfer column comprises steam inlet、Water out、Low-temperature receiver access port，Described concentrated solution pump connects described recovery of latent heat purifying column concentrated solution entrance respectively by pipeline and described low temperature latent heat transfer column concentrated solution exports，Described weak solution pump and acid-base value control unit are sequentially connected in series and pass through pipeline and connect described low temperature latent heat transfer column weak solution entrance and the outlet of recovery of latent heat purifying column weak solution respectively，Described thermal source and low temperature latent heat transfer column thermal source access port UNICOM，Described low-temperature receiver and high temperature latent heat transfer column low-temperature receiver access port UNICOM，Described low temperature latent heat transfer column steam (vapor) outlet connects described high temperature latent heat transfer column steam inlet.
- Recovery of latent heat purifier the most according to claim 1, it is characterised in that: this device also includes that heat exchanger, described heat exchanger are located on described concentrated solution pump conduit and weak solution pump conduit.
- Recovery of latent heat purifier the most according to claim 1 and 2, it is characterised in that: described thermal source comprises steam and/or fume afterheat, and described low-temperature receiver comprises the condensation water of Steam Turbine Regenerative System, boiler replenishing water, life moisturizing, boiler air or source pump.
- Recovery of latent heat purifier the most according to claim 3, it is characterised in that: this device also includes recovered water pump and reclaims pond, and described high temperature latent heat transfer column water out connects described recovery pond through described recovered water pump.
- Recovery of latent heat purifier the most according to claim 4, it is characterized in that: described recovery of latent heat purifying column damp inlet introduces the wet flue gas after wet desulphurization or the humid air of cooling tower exhaust outlet, the dry flue gas after recovery of latent heat purifies or steam are discharged in the outlet of described recovery of latent heat purifying column dry gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620208893.3U CN205412650U (en) | 2016-03-18 | 2016-03-18 | Purifier is retrieved to latent heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620208893.3U CN205412650U (en) | 2016-03-18 | 2016-03-18 | Purifier is retrieved to latent heat |
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| CN205412650U true CN205412650U (en) | 2016-08-03 |
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| CN201620208893.3U Active CN205412650U (en) | 2016-03-18 | 2016-03-18 | Purifier is retrieved to latent heat |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563337A (en) * | 2016-10-20 | 2017-04-19 | 昊姆（上海）节能科技有限公司 | Multi-channel circulating absorption-type flue gas waste-heat utilization, purification and dehumidification device and method thereof |
| CN107198947A (en) * | 2016-03-18 | 2017-09-26 | 上海碳索能源环境服务有限公司 | Recovery of latent heat purifier |
| CN108131656A (en) * | 2017-07-10 | 2018-06-08 | 昊姆（上海）节能科技有限公司 | The ultra-clean cold-heat combined system of discharge in coke-oven plant |
-
2016
- 2016-03-18 CN CN201620208893.3U patent/CN205412650U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107198947A (en) * | 2016-03-18 | 2017-09-26 | 上海碳索能源环境服务有限公司 | Recovery of latent heat purifier |
| CN106563337A (en) * | 2016-10-20 | 2017-04-19 | 昊姆（上海）节能科技有限公司 | Multi-channel circulating absorption-type flue gas waste-heat utilization, purification and dehumidification device and method thereof |
| CN106563337B (en) * | 2016-10-20 | 2022-09-06 | 昊姆（上海）节能科技有限公司 | Absorption type flue gas waste heat utilization, purification and dehumidification device and method with multi-path circulation |
| CN108131656A (en) * | 2017-07-10 | 2018-06-08 | 昊姆（上海）节能科技有限公司 | The ultra-clean cold-heat combined system of discharge in coke-oven plant |
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Address after: 201108 room 2, 6 building, 4299 Jin Du Road, Minhang District, Shanghai, D91 Patentee after: Shanghai Carbon Soot Energy Service Co.,Ltd. Address before: 201108 room 2, 6 building, 4299 Jin Du Road, Minhang District, Shanghai, D91 Patentee before: SHANGHAI DISCOVERY ENERGY ENVIRONMENTAL SERVICE CO.,LTD. |