Precooling technique and device for recovering turpentine

A turpentine and pre-cooling technology, applied in turpentine, chemical industry, sustainable manufacturing/processing, etc., can solve the problems of unsatisfactory cooling effect, loss of heat energy turpentine, slow cooling speed, etc., and achieve good oil-water separation effect and easy production , fast cooling effect

Inactive Publication Date: 2012-10-24
南华松香厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

During this process, the temperature of the oil-water mixture gas coming out of the still is very high, often exceeding 180°C. Such high-temperature gas directly enters the cooler, and the cooling speed is slow. After a long time, the temperature still cannot be lowered. A still needs

Method used

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  • Precooling technique and device for recovering turpentine
  • Precooling technique and device for recovering turpentine
  • Precooling technique and device for recovering turpentine

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Embodiment

[0016] Embodiment: the pre-cooling process of the present invention is realized by adding a section of pre-cooling process in the traditional process flow, that is, a pre-cooling device is set between the still and the turpentine cooler, and each part of the pre-cooling device is made of stainless steel Production, the steam pipe 2 is parallel to the longitudinal axis of the tank body, and the sealing layer 3 is welded on both sides of the pre-cooling tank 1 to seal the tank body. The upper cover 6 and the lower cover 7 are movably connected to the tank body with bolts. The kettles and the lower cover 7 and the cooler are connected by pipes. The cooling water enters the tank from the water inlet 4 and flows out through the water outlet 5. It is in a flowing state during the entire cooling process; the temperature in the rosin distillation kettle is as high as 180°C When the oil-water mixture gas passes through the steam pipe 2, it is cooled by the cooling water to about 80°C, a...

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Abstract

The invention discloses a precooling technique and device for recovering turpentine. The technique is implemented by arranging a precooling device between a distilling kettle and a cooler. The precooling device comprises a precooling tank, wherein a plurality of vapor pipes are arranged in the precooling tank; both ends of each vapor pipe are opened at seal layers on both sides of the precooling tank; the wall of the precooling tank is provided with a water inlet and a water outlet; an upper cover and a lower cover of the precooling tank are flexibly connected with the tank body; a mixture of turpentine and vapor distilled out of the distilling kettle enters the precooling tank; and after cooling water is introduced into the precooling tank to perform precooling, the mixture enters the cooler to be further cooled into a liquid. The precooling technique and device disclosed by the invention have strong pertinence; the device has a simple structure; the precooling technique has the advantage of simple steps, and is very easy to operate; the invention has the advantages of high turpentine cooling rate and favorable oil-water separation effect, and can enhance the recovery rate of the turpentine; and the hot water after precooling can be reutilized, thereby saving the energy consumption and water resources, maximally lowering the cost and enhancing the effectiveness.

Description

technical field [0001] The invention relates to the technical field of processing turpentine and recovering turpentine, in particular to a precooling process and a device used in the process of recovering turpentine. Background technique [0002] In the process of rosin production, processing and recovery of turpentine, the turpentine and water vapor distilled from the distillation pot are mixed together, enter the cooler for cooling and become liquid, and then the turpentine and water are separated by the oil-water separator to recover the turpentine. During this process, the temperature of the oil-water mixture gas coming out of the still is very high, often exceeding 180°C. Such high-temperature gas directly enters the cooler, and the cooling speed is slow. After a long time, the temperature still cannot be lowered. A still needs to be used with A plurality of coolers are used together and take up a large space. Even so, the cooling effect is not ideal, and a part of turp...

Claims

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Application Information

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IPC IPC(8): C09F3/00F28D7/16
CPCY02P20/10
Inventor 李发中
Owner 南华松香厂
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