TH30772B - Vertical multi-pipe heat exchanger and distillation tower systems that include the same - Google Patents

Abstract

DC60 (09/05/46) Vertical multi-pipe heat exchanger that can prevent clogging of materials. can be polymerized and can work continuously for a long time is provided Exchange equipment Vertical multitube heating (1) of this invention infuses the process fluid with a substance that can Easily polymerized into heat exchanger tubes (28) to perform heat exchange. Vertical multitube heat exchangers (1) including shell (2) extending in a vertical direction. The top tube plate (8) and bottom plate (10) each are provided at the top (4) and bottom (6) section of the shell (2) and several heat exchanger pipes (28 ) where its outer circumference (26) of both ends of each is fixed to the top plate (8) and bottom plate (10). The upper surface (34) of the top plate (8) is formed. The figure gives a slope and At least one of the heat exchanger pipes (28) is positioned close to the bottom of the position. of the upper surface (34) of the top tube plate (8) Vertical multi-tube heat exchanger that can prevent clogging of the material. can be polymerized and can work continuously for a long time is provided Exchange equipment Vertical multitube heating (1) of this invention infuses the process fluid with a substance that can Easily polymerized into heat exchanger tubes (28) to perform heat exchange. Vertical multitube heat exchangers (1) including shell (2) extending in a vertical direction. The top tube plate (8) and bottom plate (10) each are provided at the top (4) and bottom (6) section of the shell (2) and several heat exchanger pipes (28 ) where its outer circumference (26) of both ends of each is fixed to the top plate (8) and bottom plate (10). The upper surface (34) of the top plate (8) is formed. The figure gives a slope and At least one of the heat exchanger pipes (28) is positioned close to the bottom of the position. of the top face (34) of the top tube plate (8)

Claims (8)

1.Vertical multi-pipe heat exchanger for heat exchange action By inserting a process fluid containing an easily polymerized substance into the pipe, the equipment Heat exchanger Heat exchanger, which includes: a body that extends in a vertical direction. The top and bottom tube plates, respectively, were placed at the top and bottom sections of the tube body, a number of radiant heat exchanger tubes in the vertical direction at the outer circumference. Its two ends are respectively fixed to the top pipe plan and the bottom pipe plate. Where the top surface of the top tube is sloping downward from the outer part Its center part is 0.005 to 0.1 radians relative to the plane having the upper outer edge of the top tube. And at least one of the tubes, the heat exchanger is positioned close to the bottom of the top surface of the top plate. 2. Vertical multi-pipe heat exchanger according to claim 1, where at the top end of the tube, such heat exchanger positioned at close distance of the lowermost position of the top plate is provided to That will not protrude from the top surface of the top sheet 3.Vertical multi-pipe heat exchanger according to claim 1, where the lower surface of the lower tube plate is formed, sloping downward from the outer part towards its center by 0.005 to 0.1 radians. Relative to the plane with the lower outer edge of the bottom tube plate. 4.Vertical multi-pipe heat exchanger according to claim 1, where easily polymerized substances are acrylane, acrylic acid methacrolol, A methacrylic or its esters 5. Vertical multi-pipe heat exchanger according to claim 1, where the process fluid contains polymerization inhibitors. 6. Distillation tower system consisting of a distillation tower for fluid distillation containing easily polymerized substances and a condensing device connected to the top of the distillation wrapper. A condensing device that is a vertical multi-pipe heat exchanger according to claim 1. 7.The distillation tower system consists of a distillation tower for fluid distillation containing easily polymerized substances and a re-boil boiler connected to the bottom of the distillation tower. Re-boil boiler which is a vertical multi-pipe heat exchanger according to claim 1. 8. Distillation tower system consisting of a distillation tower for fluid distillation containing easily polymerized substances, a condensing device connected to the top of the distillation tower. And a re-boil boiler connected to the bottom of the distillation tower Condensers and repeat boilers that are vertical multi-pipe heat exchangers in accordance with claim 1.