Sublance body
A gun body and outer tube technology, which is applied in the manufacture of converters and other directions, can solve the problems of dependence on imports and high prices, and achieve the effects of improving equipment level, reducing labor intensity, and reducing blow damage and consumption.
Active Publication Date: 2011-08-17
SUZHOU BAOLIAN HEAVY IND
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Problems solved by technology
The sub-gun includes the sub-gun body. At present, domestic sub-guns basically rely on imports, and the price is very expensive.
Method used
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[0015] as attached figure 1 As shown, a secondary gun body according to the present invention includes an inner tube 1, a middle tube 2, an outer tube 3, a probe handle 4, a cooling water inlet pipe 5, a cooling water outlet pipe 6, and a probe compensation cable 7; The inner tube 1 is set in the middle tube 2; the middle tube 2 is set in the outer tube 3; one end of the inner tube is connected with the middle tube, and the other end passes through the middle tube and the outer tube and protrudes outside; A gap 8 is provided between the two ends of the middle tube and the outer tube, and the gap 8 is used for expansion and contraction of the middle tube and the outer tube when thermally expanding; the probe holding part 7 is screwed in from the bottom of the outer tube 3, and the The probe holding part 4 is used to hold the probe; the cooling water inlet pipe 5 and the cooling water outlet pipe 6 are arranged on the top of the outer pipe 3, and the middle pipe is provided wit...
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The invention discloses a sublance body which comprises an outer pipe, a center pipe, an inner pipe, a probe holding part, a cooling water inlet pipe, a cooling water outlet pipe and a probe compensating cable, wherein the inner pipe is sleeved in the center pipe; the center pipe is sleeved in the outer pipe; one end of the inner pipe and the center pipe are connected into a whole, and the other end of the inner pipe extends outwards after penetrating through the center pipe and the outer pipe; a clearance is arranged between both ends of the center pipe and the outer pipe and used for stretching during the thermal expansion of the center pipe and the outer pipe; the probe holding part is screwed from the lower part of the outer pipe and used for holding a probe; the cooling water inlet pipe and the cooling water outlet pipe are arranged at the upper part of the outer pipe, and an opening is arranged on the center pipe; accordingly, a space between the outer pipe and the center pipe and a space between the center pipe and the inner pipe form a communicated space, and cooling water can enter the space between the outer pipe and the center pipe from the cooling water inlet pipe and then flows out from the space between the center pipe and the inner pipe by the cooling water outlet pipe; and the probe compensating cable is arranged in the inner pipe and connected with the probe holding part.
Description
technical field [0001] The invention relates to a sub-lance body, in particular to a sub-lance body for smelting, and belongs to the technical field of special equipment for smelting. Background technique [0002] During the smelting process, it is necessary to measure the parameters in the furnace, which is usually carried out by using a sub-lance. The sub-lance mainly performs the following measurements during the converter steelmaking process: (1) measuring the depth of molten steel in the molten pool; (2) measuring during blowing Carbon content of molten steel in the molten pool (TSC probe); (3) Measure the oxygen content and carbon content of molten steel in the molten pool (TSO probe) at the end of blowing; (4) Measure the liquid level of the molten pool (TSO probe); the above The temperature measurement of molten steel in the project is the same as the principle of ordinary thermocouple temperature measurement; the carbon content of molten steel in the molten pool is ...
Claims
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IPC IPC(8): C21C5/46
Inventor 曹卫文郭晓庆雷雨田
Owner SUZHOU BAOLIAN HEAVY IND