Casting cooling water afterheat utilization system
A technology of cooling water and cooling water tank, which is applied in the field of casting, can solve the problems of wasting heat and increasing operating costs, and achieve the effect of reducing energy waste
Active Publication Date: 2012-04-04
WUXI JINXIU HUB
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Problems solved by technology
[0003] At present, most enterprises adopt the method of pumping the casting cooling water to the cooling tower to cool the water, which not only increases the operating cost, but also wastes a lot of heat
Method used
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Embodiment
[0028] Embodiment: the application of the present invention in the pretreatment procedure of the foundry operation of casting workshop and painting workshop:
[0029] The heat collection section is:
[0030] a. Install a casting cooling water tank 1 and corresponding heat-absorbing coil 8 in each of the 8 casting units in the foundry workshop. The casting mass is 10-15kg, and the production efficiency of each production unit is 10-14 pieces / hour;
[0031] b. The volume of casting cooling water tank 1 is φ800×500mm;
[0032] c. The heat-absorbing coil 8 is made of copper tube, the specification is φ15×1mm, and the total length of each heat-absorbing coil 8 is 38m;
[0033] d. The pipeline of the circulating waterway adopts a φ20mm PPR pipe, and the total circulation pipeline adopts a φ50mm galvanized water pipe;
[0034] e. The solenoid valves of each hot water circulation branch adopt two-position two-normally open solenoid valves;
[0035] f. Pipeline circulating water pum...
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Abstract
The invention relates to a casting cooling water afterheat utilization system, which is characterized by comprising a cooling water device and an afterheat utilization device, wherein the cooling water device comprises a cooling water tank and a running water supply device; a heat suction coiled tube is arranged in the cooling water tank; the afterheat utilization device also comprises an afterheat utilization water tank; a heat releasing coiled tube is arranged in the afterheat utilization water tank; the heat suction coiled tube and the heat releasing coiled tube are connected by a pipe to form a closed circulating water path; and a pure water supply device and a circulating water pump are arranged on the circulating water path. The tank bodies of the cooling water tank and the afterheat utilization water tank are made of galvanized plates, a layer of steel plate is arranged on the inner side of each galvanized plate, thermal-insulation rock wool is arranged between each galvanized plate and the steel plate; a protective steel wire net is arranged on the inner side of the steel plate; and the heat suction coiled tube and the heat releasing coiled tube are arranged between the steel plate and the protective steel wire net. When the system is used, the afterheat generated in a casting process can be fully utilized, and the waste of energy can be reduced greatly.
Description
technical field [0001] The invention relates to a casting cooling water waste heat utilization system, in particular to a casting cooling water tank waste heat utilization system suitable for multiple machine metal mold single-piece continuous casting, and belongs to the casting technology field. Background technique [0002] Metal mold casting is the most widely used casting process in non-ferrous metal casting. In the process of metal mold casting, it is generally necessary to quickly cool the casting to close to normal temperature after the casting is released, so as to improve the mechanical properties of the casting and at the same time facilitate the self-inspection of the quality of the casting. [0003] At present, most enterprises adopt the method of pumping the casting cooling water to the cooling tower to cool the water, which not only increases the operating cost, but also wastes a lot of heat. Contents of the invention [0004] The purpose of the present inve...
Claims
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IPC IPC(8): B22D30/00
Inventor 曹惠中戴润冯海平孙华张建荣
Owner WUXI JINXIU HUB