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我公司承建的河北省承德環(huán)能熱電有限責(zé)任公司#3、#4爐項(xiàng)目煙氣凈化系統(tǒng)提標(biāo)改造工程于2025年08月22日通過(guò)72+24小時(shí)試運(yùn)行。
The FGC system upgrading for Units #3 & #4 of Chengde Huanneng Thermal Power Co., Ltd. in Hebei Province—constructed by HEPT—has successfully passed the 72+24-hour full-load trial operation since 22nd.Aug 2025.

本次垃圾焚燒爐煙氣脫硝系統(tǒng)項(xiàng)目提標(biāo)改造范圍為2×500t/d生活垃圾焚燒發(fā)電項(xiàng)目#4爐SCR低溫脫硝系統(tǒng)（SGH+SCR）+催化劑和#3、#4爐小蘇打干法脫酸系統(tǒng)（SDS）的設(shè)計(jì)、系統(tǒng)整合、制造、優(yōu)化改造。其中包含#4爐引風(fēng)機(jī)的設(shè)計(jì)、安裝和改造。
The scope of this flue-gas denitration system upgrade for the waste incineration lines covers the design, system integration, fabrication and optimization of: a low-temperature SCR denitration system (SGH + SCR) + catalyst for Unit #4 of the 2×500 t/d waste-to-energy plant and a sodium-bicarbonate dry deacidification system (SDS) for Units #3 and #4. It also includes the design, installation and modification of the induced-draft fan for Unit #4.

在“72+24”小時(shí)不間斷滿(mǎn)負(fù)荷試運(yùn)行階段，此項(xiàng)目通過(guò)技改升級(jí)華星東方SCR低溫脫硝系統(tǒng)展現(xiàn)出顯著優(yōu)勢(shì)——通過(guò)提升120-180℃溫區(qū)的反應(yīng)活性，使氨逃逸率降低90%以上；配合催化劑成型工藝優(yōu)化，增強(qiáng)催化劑孔隙均勻性及耐硫性，延長(zhǎng)使用壽命，減少停機(jī)更換損失。其出口排放的NOx濃度穩(wěn)定控制在35-45mg/Nm3（遠(yuǎn)低于50mg/Nm3設(shè)計(jì)標(biāo)準(zhǔn)），氨逃逸濃度低至0.1-0.8mg/Nm3（遠(yuǎn)低于8mg/Nm3限值），較傳統(tǒng)系統(tǒng)降低40%以上蒸汽耗量，直接削減年度運(yùn)行成本約350萬(wàn)元（蒸汽單價(jià)按120元/t）。
During the uninterrupted 72+24-hour full-load trial, the project demonstrated the striking advantages of HEPT’s upgraded low-temperature SCR denitration system: boosts activity in the 120–180 °C window and reduces NH? slip by over 90 %; optimized shaping gives the catalyst more uniform pores and better sulfur tolerance, extending service life and shortening outage time. NOx at the stack was steadily held at 35–45 mg/Nm3, well below the 50 mg/Nm3 design limit; NH? slip was as low as 0.1–0.8 mg/Nm3, far under the 8 mg/Nm3 cap; steam consumption dropped by more than 40 % compared with conventional systems, cutting annual operating costs by about CNY 3.5 million (steam priced at CNY 120/t).
這一成果源于華星東方二十余年深耕環(huán)保領(lǐng)域的技術(shù)積淀與低溫脫硝系統(tǒng)創(chuàng)新突破：通過(guò)在引進(jìn)三菱重工先進(jìn)技術(shù)的基礎(chǔ)上，歷經(jīng)數(shù)百次工況適配實(shí)驗(yàn)與十余代技術(shù)迭代，持續(xù)優(yōu)化催化劑配方與反應(yīng)器結(jié)構(gòu)，最終開(kāi)發(fā)出更契合中國(guó)復(fù)雜氣候、多樣燃料特性及嚴(yán)苛排放標(biāo)準(zhǔn)的低溫脫硝解決方案。
This achievement stems from HEPT’s over twenty years of technical expertise in the environmental field and its breakthroughs in low-temperature denitration systems. Building on MHIEC’ advanced technology, the company has carried out hundreds of adaptation experiments and over ten generations of technical iterations, continuously optimizing catalyst formulations and reactor structures. The result is a low-temperature denitration solution better suited to China’s complex climate, diverse fuel characteristics and stringent emission standards.
當(dāng)前研發(fā)團(tuán)隊(duì)正推進(jìn)150℃超低溫運(yùn)行試驗(yàn)，探索催化劑在更寬溫度窗口（120-180℃）的穩(wěn)定性能，并配套開(kāi)發(fā)智能氨水噴淋控制系統(tǒng)，通過(guò)前期設(shè)計(jì)流場(chǎng)模擬實(shí)現(xiàn)精確噴氨及氨分布，實(shí)現(xiàn)“精準(zhǔn)噴射-高效轉(zhuǎn)化-零逃逸”閉環(huán)控制，預(yù)計(jì)可進(jìn)一步降低氨耗10%-15%。
The R&D team is now validating 150 °C ultra-low-temperature operation and developing an intelligent aqueous-ammonia spray control system. Up-front CFD modelling of the flow field will enable precise NH? injection and distribution, creating a closed loop of "accurate spraying–efficient conversion–zero slip", expected to cut ammonia consumption by a further 10–15 %.
該技改方案不僅解決了傳統(tǒng)SCR系統(tǒng)“低溫效率衰減、氨耗高、逃逸超標(biāo)”三大行業(yè)難題，更構(gòu)建了“設(shè)計(jì)-制造-運(yùn)維”全鏈條成本優(yōu)化模型。結(jié)合項(xiàng)目采用的國(guó)際領(lǐng)先爐排爐工藝與成熟煙氣凈化技術(shù)，實(shí)現(xiàn)了垃圾焚燒發(fā)電的“無(wú)害化處理+資源化利用”雙重目標(biāo)——通過(guò)焚燒發(fā)電將廢棄物轉(zhuǎn)化為電能，達(dá)成減量化與資源化；同時(shí)通過(guò)超低排放技術(shù)助力河北地區(qū)生態(tài)環(huán)境改善與空氣質(zhì)量提升，完美契合國(guó)家“雙碳”戰(zhàn)略與工業(yè)綠色轉(zhuǎn)型需求，為客戶(hù)創(chuàng)造“環(huán)保達(dá)標(biāo)+經(jīng)濟(jì)降本”的雙重價(jià)值。
This retrofit package not only solves the three industry pain points of conventional SCR—"low-temperature efficiency decay, high ammonia consumption, excessive slip"—but also builds a full-chain cost-optimization model covering design, manufacture and O&M. Coupled with the world-class grate furnace and proven gas-cleaning technologies adopted in the project, it achieves the dual goals of "harmless treatment + resource utilization" for waste-to-energy: waste is converted into electricity while emissions are kept ultra-low. The solution thus helps improve the ecological environment and air quality in Hebei, aligns perfectly with China’s "dual-carbon" strategy and green industrial transformation, and delivers the dual value of "compliance + cost reduction" for customers.

承德環(huán)能熱電有限責(zé)任公司#3、#4煙氣凈化系統(tǒng)提標(biāo)改造工程自2024年11月完成安裝進(jìn)入試運(yùn)行階段以來(lái)，已連續(xù)穩(wěn)定運(yùn)行超過(guò)一年，該項(xiàng)目采用我司選擇性催化還原（SCR）工藝，配套華星東方引進(jìn)優(yōu)化的三菱重工低溫催化劑，目前系統(tǒng)運(yùn)行狀態(tài)良好，工作溫度、脫硝效率、氨逃逸等核心參數(shù)持續(xù)穩(wěn)定達(dá)標(biāo)，且具備持續(xù)穩(wěn)定運(yùn)行能力，驗(yàn)證了華星東方低溫脫硝系統(tǒng)在低溫工況下的可靠性與高效性。
Since the completion of installation and the commencement of trial operation in November 2024, the FGC system upgrade for Units #3 and #4 of Chengde Huanneng Thermal Power Co., Ltd. has been running continuously and stably for over one year. The project adopts HEPT’s selective catalytic reduction (SCR) process, equipped with introduced & optimized MHIEC’s low-temperature catalysts. At present, the system is in good operating condition, with core parameters such as working temperature, denitration efficiency, and ammonia slip remaining stable and compliant, demonstrating sustained and reliable operation. This outcome verifies the reliability and high efficiency of HEPT’s low-temperature denitration system under low-temperature working conditions.

華星東方在河北省的業(yè)績(jī)涵蓋包括：保定一期、二期、衡水、衡水安平、定州、滄州一期、石家莊、石家莊廈能炘、石家莊行唐、唐山曹妃甸、唐山灤州、唐山豐潤(rùn)、唐山潔城、唐山遷安、承德圍場(chǎng)、保定順平、唐山一期、二期、承德張家口北、廊坊固安、廊坊香河、廊坊三河、邢臺(tái)沙河、邢臺(tái)威縣、邢臺(tái)巨鹿、邯鄲魏縣等多個(gè)項(xiàng)目。
HEPT’s track record in Hebei Province covers an extensive portfolio of projects, including: Baoding Phase I & II, Hengshui and Hengshui-Anping, Dingzhou, Cangzhou Phase I, Shijiazhuang, Shijiazhuang Xianengxin, and Shijiazhuang Xingtang, Tangshan Caofeidian, Luanzhou, Fengrun, Jiecheng, Qian’an, Chengde Weichang, Baoding Shunping, Tangshan Phases I & II, Chengde-Zhangjiakou North, Langfang Gu’an, Xianghe, Sanhe, Xingtai Shahe, Weixian, Julu, Handan Weixian, etc.

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