가스 냉각

CYCO & Changyuan은 수십 년 동안 전 세계 기업에 가스 냉각 솔루션을 제공한 경험을 보유하고 있습니다.

미세 미스트 노즐

애플리케이션

가스 냉각 응용 분야에 적합한 스프레이 노즐에 대해 자세히 알아보려면 아래 나열된 특정 범주를 탐색하거나 숙련된 엔지니어에게 문의하십시오.

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Air Inlet Cooling—-Air Atomizing Nozzles

Many facilities or processes in hot, dry areas can benefit from using spray nozzles to cool the inlet air streams.

Evaporating water into the inlet air can provide critical cooling of heat sensitive areas such as electronic server rooms or animal enclosures.

It can also provide significant increases in the efficiency of equipment such as gas turbines or air-cooled condensers by cooling the air and increasing the relative humidity level of the inlet air streams to these units.

Spray nozzles can provide an effective and economical alternative to the use of electric chillers in many applications.

Important factors to consider:

  • Air temperature & humidity
  • Available quench length
  • Available/required flow rate
  • The available pressure drop across the nozzle

Cooling Deluge—-Full Cone Nozzles

CCNOZZLE provides a range of high-quality nozzles that are useful for reducing the temperature of various components and parts using a deluge spray.

Many production processes require the product to be hot during work and then cooled back to ambient temperature.

In metal processing industries, castings, extrusions, and hot-worked products fall into this category, as do any components that have been heated treated. In the food industry, many products are packaged hot and must be cooled before storage and shipment.

Regardless of whether you are cooling steel or soup.

Important factors to consider:

  • Target final object(s) temperature
  • The shape of the object(s)
  • Specific heat of object(s) material
  • Speed of travel (if moving)
  • Required coverage
  • Available and required cooling media flow rate
  • Available liquid pressure drop across the nozzle

Process Gas Cooling—-Spiral Nozzles / Air Atomizing Nozzles

Nozzles are used for quenching in commercial and industrial applications around the world.

In many processes gas is raised to temperatures that could easily damage downstream equipment.

This can either be by direct combustion, as in the case of flue gas or by secondary heating.

The quickest and most effective way to cool a hot gas is through the evaporation of an injected liquid.

Changing the phase of the injected liquid to gas consumes enormous amounts of energy compared to sensible/direct contact cooling.

In evaporative gas cooling, a mist of water is sprayed into the hot gas.

In many cases, this is flue gas from a combustion process. The water then evaporates, cooling the system rapidly as the energy is used to change the water from liquid to gas.

When a volume of water is atomized into smaller droplets, more surface area is exposed, allowing the evaporation rate to increase.

The rate of evaporation is often criticized as the gas must reach its final temperature before a fixed point downstream.

The evaporation rate is dependent on the droplet size, temperature differential, and partial pressure among other variables.

Important factors to consider:

  • Initial/final process gas temperatures
  • Process gas composition (including initial water content)
  • Available residence time for droplet evaporation
  • Available and required flow rate
  • The available pressure drop across the nozzle
  • Required coverage: Ensure complete contact/cooling of the gas stream while minimizing potential wall contact
  • Required droplet size: Achieve complete or partial evaporation to obtain required cooling.
  • Required nozzle material: Quench nozzles often require special materials to withstand the high temperature and corrosive environments present in these applications.

Pond Cooling—-Spiral Nozzle

Cooling ponds are used to lower water temperature through contact cooling with the surrounding air.

Static ponds often have low cooling efficiency and require a lot of space as only the surface of the pond is in direct contact with the air, resulting in relatively expensive use of valuable land.

CCNOZZLE offers a wide variety of spray nozzles which can dramatically lower the expense and footprint of cooling ponds.

By spraying and atomizing the water from the cooling ponds into the air, spray nozzles significantly increase the surface area of water exposed to the air, thus improving the cooling efficiency and decreasing the area needed for the pond.

In some cases, the use of spray nozzles can reduce the land required to 5% of the area needed for a static pond.

Important factors to consider:

  • Environment
    • Average temperatures, relative humidity, prevailing wind speeds, etc.
  • Nozzle placement
    • In general, spray nozzles are placed evenly around/over the pond at a height that maximizes residence times while taking droplet drift due to wind into account
  • Nozzle clog resistance
  • Available and required flow/cooling rates
  • Available pressure drop (∆P) across the nozzle
    • ∆P = supply pressure at nozzle inlet – process pressure outside nozzle
    • Typical operating pressures range from 10-20 PSI (0.7-1.4 bar) to produce a drop size capable of efficient cooling while minimizing evaporation losses and wind drift

Roll Cooling—-Flat Fan Spray Nozzles

Cooling & lubricating mill rolls used for the production of steel and aluminum

Important factors to consider:

  • Required coverage
  • Spray media density and viscosity
  • Ease of maintenance/replacement
  • Available nozzle mounting locations
  • Available and required flow rate
  • Available pressure drop (∆P) across the nozzle
    • ∆P = supply pressure at nozzle inlet – process pressure outside nozzle

냉각 적용을 위한 추가 노즐:
강철 연속 주조

피부 커버용 와이어 연장 프로젝트

플라스틱 파이프 성형

컨베이어 벨트 냉각

담금질 전 열처리

다이캐스팅 냉각

PVC 파이프 압출 냉각

강철 롤 냉각에서 빌렛 연속 주조기의 2차 냉각

저장 탱크 냉각

킬른 후단 냉각 챔버

지붕 냉각

나선형 콘덴서 냉각

가마 뒤의 챔버 및 냉각

알루미늄 도자기 혈관 세포 냉각

후프 압연기 냉각

도구 및 재료 냉각

정전기 강수 냉각 및 가습 전

드레이퍼형 뮬러 냉각

음료 냉각

와이어 스트레치 프로젝트 냉각

플라스틱 몰딩 냉각

제품 직간접 냉각

장비의 스프레이 및 온도 강하

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