冷凝單元

　　Condensing Unit

　　針對中石化、中石油、中海油、延長石油和民營石化等化工企業(yè)，以及碼頭、成品油儲運(yùn)銷、包裝印刷和噴涂等領(lǐng)域排放的VOCs氣體采用冷凝式回收，而開發(fā)的冷凝制冷單元，冷凝制冷單元制作成撬裝式，方便運(yùn)輸和安裝或與其它回收方式組合使用，保證VOCs綜合治理回收和達(dá)標(biāo)排放。冷凝式油氣回收機(jī)

　　For chemical enterprises such as Sinopec, PetroChina, CNOOC, Yanchang Petroleum, and private petrochemical companies, as well as in the fields of terminals, finished oil storage and transportation, packaging, printing, and spraying, condensation recovery is adopted for VOCs gas emissions. The developed condensation refrigeration unit is made into a modular design for easy transportation and installation or combined with other recovery methods to ensure comprehensive VOCs treatment, recovery, and standard emissions. Condensing oil and gas recovery machine

　　一、適用范圍

　　1、 Scope of application

　　汽油、航空煤油等成品油揮發(fā)氣體回收。

　　Recovery of volatile gases from finished oils such as gasoline and aviation kerosene.

　　油田井口氣、天然氣提純等。

　　Oilfield wellhead gas, natural gas purification, etc.

　　易揮發(fā)有機(jī)氣體的回收。

　　Recovery of volatile organic gases.

　　二、油氣回收裝置技術(shù)參數(shù)

　　2、 Technical parameters of oil and gas recovery device

　　油氣處理能力:50~3000Nm3/h。

　　Oil and gas processing capacity: 50~3000Nm3/h.

　　防爆等級

　　Explosion-proof rating

　　油氣處理溫度:-25~-110C(可根據(jù)用戶實(shí)際需求進(jìn)行調(diào)整)。3、 "純冷凝"法油氣回收裝置流程具體描述如下

　　Oil and gas processing temperature: -25~-110C (can be adjusted according to actual user needs). 3. The specific description of the process of the "pure condensation" method oil and gas recovery device is as follows

　　將油氣(或其它揮發(fā)氣體)回收管和回收機(jī)組的進(jìn)氣管口相連;:2揮發(fā)氣體產(chǎn)生時(來自壓力信號)，系統(tǒng)自動啟動

　　Connect the oil and gas (or other volatile gas) recovery pipe to the inlet pipe of the recovery unit; When volatile gas is generated (from pressure signal), the system automatically starts

　　通過調(diào)速器調(diào)節(jié)風(fēng)泵運(yùn)行能力，實(shí)時跟蹤實(shí)際氣體流速

　　Adjust the operating capacity of the air pump through a speed regulator to track the actual gas flow rate in real time

　　氣體進(jìn)入制冷系統(tǒng)進(jìn)行逐級冷卻分凝，氣體濃度逐步降低

　　The gas enters the refrigeration system for step-by-step cooling and condensation, and the gas concentration gradually decreases

　　經(jīng)過處理后的達(dá)標(biāo)氣體排向大氣

　　The processed standard gas is discharged into the atmosphere

　　回收的液體利用輸送泵自動打入用戶指定儲罐中。

　　The recycled liquid is automatically pumped into the user specified storage tank using a transfer pump.

　　三、純冷凝法油氣回收裝置工作原理

　　3、 Working principle of pure condensation method oil and gas recovery device

　　純冷凝"法油氣回收工藝是利用制冷技術(shù)，先將油氣逐級從常溫冷卻到-25~-110度左右(針對不同揮發(fā)氣體可設(shè)定不同的冷凝溫度)，使油氣逐級液化回收。整機(jī)系統(tǒng)通過以上過程不斷循環(huán)，從而達(dá)到油氣連續(xù)冷卻分凝回收，同時確保揮發(fā)油氣達(dá)標(biāo)排放。

　　The "pure condensation" oil and gas recovery process utilizes refrigeration technology to first cool the oil and gas from room temperature to around -25~-110 degrees Celsius (different condensation temperatures can be set for different volatile gases), allowing the oil and gas to liquefy and recover step by step. The entire system continuously circulates through the above process to achieve continuous cooling and condensation recovery of oil and gas, while ensuring that volatile oil and gas meet emission standards.

　　制冷原理:利用多機(jī)復(fù)查制冷技術(shù),為油氣系統(tǒng)提供多梯度連續(xù)冷場。制冷系統(tǒng)工作時由壓縮機(jī)排出的高溫高壓制冷劑氣體進(jìn)入冷凝器被冷凝成高壓過冷液體，經(jīng)膨脹閥節(jié)流降壓變成低溫低壓的汽液兩相混和物進(jìn)入蒸發(fā)器，制冷劑在其內(nèi)蒸發(fā)并吸收通過蒸發(fā)器的油氣的熱量，使流經(jīng)蒸發(fā)器的油氣得以降溫，利用物質(zhì)在不同溫度下的蒸氣壓差異，通過降溫使油氣組分達(dá)到過過飽和狀態(tài)冷凝成液態(tài)直接回收，冷凝后的低濃度氣體進(jìn)入吸附系統(tǒng)吸附處理。同時制冷劑充分汽化后再被壓縮機(jī)吸入壓縮室進(jìn)入下一輪循環(huán)。整機(jī)系統(tǒng)通過以上過程不斷循環(huán)，從而達(dá)到油氣連續(xù)降溫回收的目的。油氣分凝原理:不同沸點(diǎn)的制冷劑直接蒸發(fā)吸收油氣熱量，使油氣中多種組分溫度分梯度降至凝點(diǎn)以下，通過油氣換熱分離器的有效分離實(shí)現(xiàn)油氣分凝回收。

　　Refrigeration principle: Utilizing multi machine re examination refrigeration technology to provide a multi gradient continuous cooling field for the oil and gas system. The high-temperature and high-pressure refrigerant gas discharged by the compressor during the operation of the refrigeration system enters the condenser and is condensed into a high-pressure supercooled liquid. It is then throttled and depressurized by the expansion valve to become a low-temperature and low-pressure mixture of vapor and liquid, which enters the evaporator. The refrigerant evaporates inside and absorbs the heat of the oil and gas passing through the evaporator, cooling the oil and gas flowing through the evaporator. By utilizing the difference in vapor pressure of the substance at different temperatures, the oil and gas components reach a supersaturated state and are condensed into liquid for direct recovery. The condensed low concentration gas enters the adsorption system for adsorption treatment. At the same time, the refrigerant is fully vaporized and then sucked into the compression chamber by the compressor to enter the next cycle. The entire system continuously cycles through the above process to achieve the goal of continuous cooling and recovery of oil and gas. Principle of oil and gas separation and condensation: Refrigerants with different boiling points directly evaporate and absorb the heat of oil and gas, causing the temperature gradient of various components in the oil and gas to drop below the condensation point. Through effective separation by an oil and gas heat exchanger separator, oil and gas separation and recovery are achieved.

　　四、技術(shù)優(yōu)勢

　　4、 Technical advantages

　　技術(shù)先進(jìn):公司擁有豐富的低溫制冷產(chǎn)品的研發(fā)經(jīng)驗(yàn),可以進(jìn)行最精確的設(shè)計(jì)選型,確保最合適有效的配置;效果直觀:可立刻回收得到液體狀態(tài)油品，可直接派用，同時通過計(jì)量表實(shí)時顯示液態(tài)油品回收量;操作簡單:易于操作、維護(hù)。PLC可編程控制，全部自動化運(yùn)行

　　Advanced technology: The company has rich experience in the research and development of low-temperature refrigeration products, and can conduct the most accurate design and selection to ensure the most suitable and effective configuration; Intuitive effect: It can immediately recover liquid state oil products, which can be directly dispatched, and the real-time recovery amount of liquid oil products can be displayed through a measuring meter; Easy to operate: easy to operate and maintain. PLC programmable control, fully automated operation

　　安全性好:系統(tǒng)設(shè)有多重保護(hù)，并做到整機(jī)防爆;處理量彈性大:可實(shí)現(xiàn)0-100%范圍內(nèi)操作

　　Good security: The system is equipped with multiple protections and achieves complete explosion-proof; High flexibility in processing capacity: capable of operating within the range of 0-100%

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