一种复合冷却与位移控制一体化的石墨化炉电极结构

Abstract

本实用新型提供了一种复合冷却与位移控制一体化的石墨化炉电极结构，包括架设在石墨化炉内的加热管，以及安装在加热管端部的电极块，加热管通过电极块提供的加热能源为石墨化炉提供热量，加热管和电极块外部套设有用于防护和 / 或绝缘的护套组件，在加热管端部的护套组件外部安装有冷却板法兰，所述冷却板法兰包括可通入气体的气体进口；所述冷却板法兰、护套组件、电极块和加热管共同形成气体通路，所述气体通路的入口与气体进口连通，气体通路出口与石墨化炉腔体内部连通。本实用新型可解决漏温造成对石墨化炉破坏的问题。

Claims

1. A composite cooling and displacement control integrated graphitization furnace electrode structure, characterized by: It includes a heating tube installed inside the graphitization furnace and an electrode block installed at the end of the heating tube. The heating tube provides heat to the graphitization furnace through the heating energy provided by the electrode block. The heating tube and the electrode block are covered with a protective and / or insulating sheath assembly. A cooling plate flange (13) is installed outside the sheath assembly at the end of the heating tube. The cooling plate flange (13) includes a gas inlet (131) through which gas can pass. The cooling plate flange (13), sheath assembly, electrode block and heating tube together form a gas passage (37). The inlet of the gas passage (37) is connected to the gas inlet (131), and the outlet of the gas passage (37) is connected to the interior of the graphitization furnace cavity.

2. A composite cooling and displacement control integrated graphitization furnace electrode structure according to claim 1, characterized in that: The sheath assembly includes a graphite sheath (11), an insulating sheath, a heating support sheath, and a soft felt gasket (17) sequentially fitted on the outer wall of the end of the heating tube. The graphite sheath (11) forms a channel one (371) with the heating tube. The channel one (371) is connected to the inside of the graphitization furnace body. The insulating sheath forms a channel two (372) with the heating support sheath and the heating tube. A ceramic sheath is fitted on the outside of the heating support sheath and the soft felt gasket (17) to form a channel three (373). An external heating support sheath is also sandwiched between the cooling plate flange (13) and the ceramic sheath. A channel five (375) is formed between the external heating support sheath and the cooling plate flange (13). A rubber telescopic sleeve (14) is sandwiched between the electrode block part located outside the heating tube and the cooling plate flange (13) to form a channel four (374). The gas inlet (131) is connected in sequence to channel five (375), channel four (374), channel three (373), channel two (372), and channel one (371) to form a gas passage (37).

3. A composite cooling and displacement control integrated graphitization furnace electrode structure according to claim 1 or 2, characterized in that: The cooling plate flange (13) also includes a cooling water inlet (132) and a cooling water outlet (133). A cooling water trough (134) is provided around the outer wall of the cooling plate flange (13). The cooling water trough (134) is connected to the cooling water inlet and outlet respectively. The gas inlet (131) is connected to the gas passage (1311) opened on the inner wall of the cooling plate flange (13). The gas passage (1311) is connected in sequence to channel five (375), channel four (374), channel three (373), channel two (372), and channel one (371) to form a gas passage (37).

4. A composite cooling and displacement control integrated graphitization furnace electrode structure as claimed in claim 1, wherein: The electrode block includes electrode block one and electrode block two, both of which have an electrode cavity (412) in the middle. The two electrode cavities (412) are connected. One part of electrode block two is inserted into the heating tube, and the other part is located outside the heating tube and connected to electrode block one. The side wall of electrode block two located outside the heating tube forms a channel four (374) with the rubber telescopic sleeve (14).

5. A composite cooling and displacement control integrated graphitization furnace electrode structure according to claim 4, characterized in that: An electrode water cooling channel (411) is provided on one side of the electrode block. The electrode cavity (412) is connected to the electrode water cooling channel (411). An electrode water cooling pipe (413) is inserted into the electrode block. Cold water is introduced through the electrode water cooling pipe (413), passes through the electrode cavity (412), and flows out from the electrode water cooling channel (411).

6. A composite cooling and displacement control integrated graphitization furnace electrode structure as claimed in claim 4, wherein: The electrode block is connected to an electrode support (23) by an adjusting screw (22) and fixed in a designated position; the thermocouple (40) inserted into the electrode block detects the temperature.

7. A composite cooling and displacement control integrated graphitization furnace electrode structure as claimed in claim 2, wherein: The heating support sleeve includes at least two, which are sequentially sleeved on the outside of the heating tube; both the heating support sleeve and the outer heating support sleeve are made of aluminum oxide.

8. A composite cooling and displacement control integrated graphitization furnace electrode structure as claimed in claim 1, wherein: The heating tube includes a first heating tube (51) and a second heating tube (52). The first heating tube (51) is located inside the graphitization furnace cavity. The two ends of the first heating tube (51) are respectively fitted with the second heating tube (52) and an electrode block located outside the second heating tube (52).

9. A composite cooling and displacement control integrated graphitization furnace electrode structure as claimed in claim 2, wherein: It also includes a graphite support (21), which is mounted on the outside of the heating tube. The inner diameter of the graphite support (21) and the heating outer support sleeve is at least 1 mm larger than the outer diameter of the heating tube.

10. A composite cooling and displacement control integrated graphitization furnace electrode structure as claimed in claim 2, wherein: The heating support sleeve includes an alumina heating support sleeve one (18) and an alumina heating support sleeve two (19). The alumina heating support sleeve one (18) and the alumina heating support sleeve two (19) are sequentially sleeved on the outer wall of the end of the heating tube. An insulating sheath forms a channel two (372) between the alumina heating support sleeve one (18) and the heating tube. A ceramic sheath is sleeved on the outside of the alumina heating support sleeve one (18), the alumina heating support sleeve two (19) and the soft felt pad (17) to form a channel three (373).

Images