JPS6426406A - Manufacture of cooled concrete due to injection of low-temperature liquefied gas - Google Patents

Manufacture of cooled concrete due to injection of low-temperature liquefied gas

Info

Publication number
JPS6426406A
JPS6426406A JP18421087A JP18421087A JPS6426406A JP S6426406 A JPS6426406 A JP S6426406A JP 18421087 A JP18421087 A JP 18421087A JP 18421087 A JP18421087 A JP 18421087A JP S6426406 A JPS6426406 A JP S6426406A
Authority
JP
Japan
Prior art keywords
low
cooled
liquefied gas
temperature liquefied
kneading water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP18421087A
Other languages
Japanese (ja)
Inventor
Yasuhiko Yoshioka
Koichi Ito
Yukio Konishi
Morikazu Kanamaru
Koichi Kawase
Yukio Bandai
Norio Watabiki
Yoshikazu Kano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiyo Sanso Co Ltd
Mitsubishi Heavy Industries Ltd
Takenaka Komuten Co Ltd
Takenaka Doboku Co Ltd
Original Assignee
Taiyo Sanso Co Ltd
Mitsubishi Heavy Industries Ltd
Takenaka Komuten Co Ltd
Takenaka Doboku Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Taiyo Sanso Co Ltd, Mitsubishi Heavy Industries Ltd, Takenaka Komuten Co Ltd, Takenaka Doboku Co Ltd filed Critical Taiyo Sanso Co Ltd
Priority to JP18421087A priority Critical patent/JPS6426406A/en
Publication of JPS6426406A publication Critical patent/JPS6426406A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
    • B28C7/0023—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust by heating or cooling
    • B28C7/0038—Cooling, e.g. using ice
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/46—Arrangements for applying super- or sub-atmospheric pressure during mixing; Arrangements for cooling or heating during mixing, e.g. by introducing vapour
    • B28C5/468—Cooling, e.g. using ice

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

PURPOSE:To improve utilization efficiency of cold heat energy of low- temperature liquefied gas, by a method wherein a concrete material is cooled by injecting the low-temperature liquefied gas within a concrete mixer of airtight structure and gasified low-temperature gas is used for cooling of the material by leading the same to a coarse aggregate storage bin or a kneading water tank. CONSTITUTION:Liquid nitrogen is injected through an upper injection nozzle 12 on the inside of a concrete mixer 1 and a constituent material of concrete is cooled by latent heat of vaporization at the time of vaporization of the liquid nitrogen. Gasified low-temperature gas flows out through a discharge port 13, arrives at a coarse aggregate storage bin 17 through a conduit 15 and an aggregate 22 is cooled by the latent heat of vaporization (cold heat). The low- temperature gas led to a kneading water tank 18 turns fine bubble through an air diffuser pipe 19 and kneading water 23 is cooled. The cooled aggregate 22, kneading water 23 are loaded within the concrete mixer 1 through a material loading port 9, and an injection quantity of a low-temperature liquefied gas can be reduced in this manner.
JP18421087A 1987-07-23 1987-07-23 Manufacture of cooled concrete due to injection of low-temperature liquefied gas Pending JPS6426406A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18421087A JPS6426406A (en) 1987-07-23 1987-07-23 Manufacture of cooled concrete due to injection of low-temperature liquefied gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18421087A JPS6426406A (en) 1987-07-23 1987-07-23 Manufacture of cooled concrete due to injection of low-temperature liquefied gas

Publications (1)

Publication Number Publication Date
JPS6426406A true JPS6426406A (en) 1989-01-27

Family

ID=16149289

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18421087A Pending JPS6426406A (en) 1987-07-23 1987-07-23 Manufacture of cooled concrete due to injection of low-temperature liquefied gas

Country Status (1)

Country Link
JP (1) JPS6426406A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6485710A (en) * 1987-09-29 1989-03-30 Hazama Gumi Manufacture of concrete
JPH0254508U (en) * 1988-10-08 1990-04-19
JPH02137902A (en) * 1988-11-18 1990-05-28 Tokyo Gas Co Ltd Cooling method and device for concrete mixing water
WO2006018445A1 (en) * 2004-08-20 2006-02-23 Air Liquide Deutschland Gmbh Method of producing cooled unset concrete
CN103322746A (en) * 2013-06-22 2013-09-25 中铁十八局集团第二工程有限公司 Device for reducing temperature of mass concrete taken out from bin by using liquefied nitrogen gas
EP4173789A1 (en) * 2021-10-27 2023-05-03 Messer SE & Co. KGaA Method and device for producing cooled fresh concrete

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6371311A (en) * 1986-09-12 1988-03-31 株式会社　北川鐵工所 Manufacture of low-temperature concrete, etc.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6371311A (en) * 1986-09-12 1988-03-31 株式会社　北川鐵工所 Manufacture of low-temperature concrete, etc.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6485710A (en) * 1987-09-29 1989-03-30 Hazama Gumi Manufacture of concrete
JPH0254508U (en) * 1988-10-08 1990-04-19
JPH02137902A (en) * 1988-11-18 1990-05-28 Tokyo Gas Co Ltd Cooling method and device for concrete mixing water
WO2006018445A1 (en) * 2004-08-20 2006-02-23 Air Liquide Deutschland Gmbh Method of producing cooled unset concrete
CN103322746A (en) * 2013-06-22 2013-09-25 中铁十八局集团第二工程有限公司 Device for reducing temperature of mass concrete taken out from bin by using liquefied nitrogen gas
EP4173789A1 (en) * 2021-10-27 2023-05-03 Messer SE & Co. KGaA Method and device for producing cooled fresh concrete

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