A floating head heat exchanger
A floating head heat exchanger and hot liquid technology, applied in indirect heat exchangers, heat exchanger types, heat exchanger shells, etc., can solve the problem of internal leakage of floating heads, accumulation of dirt in tube bundles, and affecting heat exchange efficiency, etc. question
Active Publication Date: 2019-04-30
镇江旭世机械设备有限公司
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Problems solved by technology
Therefore, it has been widely used in petrochemical and other related industries, but today's floating head heat exchangers have the following problems: (1) internal leakage is prone to occur at the side of the floating head; (2) dirt is easy to accumulate on the tube bundle, affecting the exchange rate. Thermal efficiency
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[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0021] The specific implementation manner of the present invention will be further described in detail below in conjunction with the schematic diagrams.
[0022] like figure 1 As shown, a floating head heat exchanger includes a heat exchange shell 1, a cold liquid shell 2 and a floating cover 3. The heat exchange shell 1 is installed on the cold liquid shell 2 through a flange, and the floating cover 3 passes through The flange is installed on the heat exchange sh...
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The invention discloses a floating head type heat exchanger comprising a heat exchange shell, a cold liquid shell and a floating cover. The heat exchange shell is arranged on the cold liquid shell. The floating cover is arranged on the heat exchange shell. The heat exchange shell is provided with a hot liquid inlet pipe and a hot liquid outlet pipe. The cold liquid shell is provided with a cold liquid inlet pipe and a cold liquid outlet pipe. A floating head and a locating device are arranged in the floating cover. A pipe bundle is arranged on the floating head and penetrates the inner portion of the heat exchange shell and extends into the cold liquid shell. The locating device is provided with a first seal plate corresponding to the pipe bundle. A seal ring is arranged between the locating device and the floating cover. The floating head is completely isolated from the inner portion of the heat exchange shell, and therefore the side portion of the floating head is protected against lateral leakage. A deflector corresponding to the pipe bundle is arranged in the heat exchange shell. The inner portion, adjacent to the cold liquid shell, of the heat exchange shell is provided with a second seal plate corresponding to the pipe bundle. A flow buffer plate corresponding to the hot liquid inlet pipe is arranged in the heat exchange shell. The deflector enables liquid to conduct flushing on the side portion of the pipe bundle, so that dirt is not prone to accumulating on the pipe bundle.
Description
technical field [0001] The invention relates to heat exchange equipment, in particular to a floating head heat exchanger. Background technique [0002] The floating head heat exchanger is a type of shell and tube heat exchanger. One end of the tube sheet is fixed between the shell and the front end tube box, and the other end (ie the floating head) can move freely in the shell. Since the thermal expansion of the tube bundle is not constrained by the shell, the floating head heat exchanger will not produce a large temperature difference thermal stress, thus avoiding damage to the heat exchanger structure. In addition, the floating head heat exchanger is also easy to disassemble and easy to clean, and is suitable for occasions where the temperature difference between the shell and the tube bundle is large or the shell side medium is easy to scale. Therefore, it has been widely used in petrochemical and other related industries, but today's floating head heat exchangers have t...
Claims
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IPC IPC(8): F28D7/16F28F9/02F28F11/02F28F19/01F28F27/00
CPCF28D7/16F28F9/0241F28F11/02F28F19/01F28F27/00
Inventor 谢飞姚恒凤莫志祥黄永福张琴
Owner 镇江旭世机械设备有限公司