Heat exchange energy-saving device of hydrogen reduction furnace

Abstract

The invention provides a heat exchange energy-saving device of a hydrogen reduction furnace, and relates to the technical field of heat exchange energy-saving devices. The heat exchange energy-saving device of the hydrogen reduction furnace comprises a heat exchange energy-saving device pipeline, a preheating hydrogen pipeline and a reduced hydrogen discharging pipeline, and the heat exchange energy-saving device pipeline is arranged on the lower portion of the interior of a furnace body; the preheating hydrogen pipeline is arranged on the inner side of the heat exchange energy-saving device pipeline, one end of the preheating hydrogen pipeline is connected with the hydrogen recovery system, and the other end of the preheating hydrogen pipeline is connected with the first furnace tube and the second furnace tube. One end of the reduced hydrogen discharge pipeline is connected with the hydrogen recovery system, and the other end of the reduced hydrogen discharge pipeline is connected with the first furnace tube and the second furnace tube; the heat exchange and energy conservation device of the hydrogen reduction furnace plays a role in heat exchange and energy conservation, the problem that hydrogen absorbs excessive heat in the furnace in the reduction process is solved, the effect of improving the energy efficiency is achieved, the problem of recycling part of heat taken away by the hydrogen after reduction is solved, and the energy utilization rate is increased.

Description

Technical Field

[0001] The present invention relates to the technical field of heat exchange energy-saving devices, and more particularly to a heat exchange energy-saving device for a hydrogen reduction furnace. Background Art

[0002] Tungsten powder is currently produced by reducing tungsten oxide with hydrogen. The reduction furnace is a traditional device used to produce tungsten and other metal powders. During the hydrogen reduction process, hydrogen absorbs more heat than other gases due to its high specific heat capacity. Passing unheated hydrogen into the reduction furnace rapidly lowers the furnace temperature, significantly altering the production process. Conventionally, factories use electricity to heat the hydrogen before passing it into the reduction furnace, increasing power consumption and production costs. Summary of the Invention

[0003] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is as follows: providing a heat exchange and energy-saving device for a hydrogen reduction furnace, comprising a heat exchange and energy-saving device pipeline, a preheating hydrogen pipeline and a post-reduction hydrogen discharge pipeline, wherein the heat exchange and energy-saving device pipeline is arranged at the lower interior of the furnace body; the preheating hydrogen pipeline is arranged on the inner side of the heat exchange and energy-saving device pipeline, one end of the preheating hydrogen pipeline is connected to a hydrogen recovery system, and the other end is respectively connected to a No. 1 furnace tube and a No. 2 furnace tube; one end of the post-reduction hydrogen discharge pipeline is connected to the hydrogen recovery system, and the other end is respectively connected to the No. 1 furnace tube and the No. 2 furnace tube.

[0004] Furthermore, the preheating hydrogen pipeline and the reduced hydrogen discharge pipeline are respectively arranged on both sides of the No. 1 furnace tube and the No. 2 furnace tube.

[0005] Furthermore, the heat exchange and energy-saving device of the hydrogen reduction furnace is arranged at the lower part of the furnace body to reduce heat loss in the pipeline of the heat exchange and energy-saving device.

[0006] Furthermore, furnace bricks are provided in the furnace body, and heating wires are provided in the furnace bricks.

[0007] Furthermore, the No. 1 furnace tube and the No. 2 furnace tube are both arranged transversely inside the furnace body, and the No. 1 furnace tube and the No. 2 furnace tube are arranged at intervals.

[0008] Furthermore, one end of the hydrogen discharge pipe after reduction passes through the inner side of the heat exchange energy-saving device pipe and is connected to the hydrogen recovery system.

[0009] Compared with the prior art, the hydrogen reduction furnace heat exchange and energy-saving device of the present invention has the following beneficial effects: the present invention provides a hydrogen reduction furnace heat exchange and energy-saving device, which realizes energy efficiency improvement, energy saving and consumption reduction in industrial production, and reduces production costs; the hydrogen reduction furnace heat exchange and energy-saving device of the present invention plays the role of heat exchange and energy saving, solves the problem that hydrogen absorbs too much heat in the furnace during the reduction process, causing changes in the production process, and reuses part of the heat taken away by the hydrogen after reduction, thereby achieving the effect of improving energy efficiency, and solves the problem of reusing part of the heat taken away by the hydrogen after reduction, solves the problem of heat dissipation of hydrogen after reduction, reduces the working pressure of the cooling system in the circulation system, solves the problem of heat dissipation of hydrogen after reduction, reduces the working pressure of the cooling system in the circulation system, and improves energy utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0011] Figure 1 It is a structural schematic diagram of the heat exchange and energy-saving device of the hydrogen reduction furnace of the present invention.

[0012] Explanation of symbols in the figure:

[0013] 1. Furnace body; 2. Furnace bricks; 3. Heating wire; 4. Hydrogen discharge pipe after reduction; 5. Heat exchange and energy-saving device pipe; 6. Preheating hydrogen pipe; 7. No. 1 furnace tube; 8. No. 2 furnace tube; 9. Hydrogen recovery system. DETAILED DESCRIPTION

[0014] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0015] The heat exchange energy-saving device for a hydrogen reduction furnace provided by an embodiment of the present invention is now described. Figure 1As shown, a heat exchange and energy-saving device for a hydrogen reduction furnace includes a heat exchange and energy-saving device pipeline 5, a preheating hydrogen pipeline 6, and a post-reduction hydrogen discharge pipeline 4. The heat exchange and energy-saving device pipeline 5 is disposed within the interior and lower portion of the furnace body 1. The preheating hydrogen pipeline 6 and the post-reduction hydrogen discharge pipeline 4 are disposed on either side of the first furnace tube 7 and the second furnace tube 8, respectively. The preheating hydrogen pipeline 6 is disposed within the interior of the heat exchange and energy-saving device pipeline 5, one end of which is connected to the hydrogen recovery system 9, and the other end is connected to the first furnace tube 7 and the second furnace tube 8, respectively. One end of the post-reduction hydrogen discharge pipeline 4 passes through the interior of the heat exchange and energy-saving device pipeline 5 and is connected to the hydrogen recovery system 9, while the other end of the post-reduction hydrogen discharge pipeline 4 is connected to the first furnace tube 7 and the second furnace tube 8, respectively. The hydrogen reduction furnace heat exchange and energy-saving device is disposed within the interior and lower portion of the furnace body 1, which acts as an insulator to reduce heat loss within the heat exchange and energy-saving device pipeline 5. Furnace bricks 2 are installed within the furnace body 1, and heating wires 3 are installed within the furnace bricks 2. Furnace tubes 1 (No. 1) and 2 (No. 2) 8 are both arranged transversely within the furnace body 1, with the No. 1 and No. 2 furnace tubes 7 and 8 spaced apart. The preheating hydrogen pipeline 6 absorbs heat from the heat exchange and energy-saving device pipeline 5. The post-reduction hydrogen discharge pipeline 4 releases heat released after reduction. The heat exchange and energy-saving device pipeline 5 allows the post-reduction hydrogen discharge pipeline 4 to release heat, while the preheating hydrogen pipeline 6 absorbs heat.

[0016] The heat exchange and energy-saving device for a hydrogen reduction furnace of the present invention places the reduced hydrogen pipeline into the heat exchange and energy-saving device to release heat, places the preheated hydrogen pipeline 6 into the heat exchange and energy-saving device pipeline 5 to absorb the heat released by the reduced hydrogen discharge pipeline 4, and installs the heat exchange and energy-saving device for a hydrogen reduction furnace at the lower part of the interior of the furnace body 1. The furnace body 1 plays a role in heat preservation, reducing the heat loss in the heat exchange and energy-saving device pipeline 5. The heat exchange and energy-saving device for a hydrogen reduction furnace of the present invention plays the role of heat exchange and energy saving, solves the problem of hydrogen absorbing too much heat in the furnace during the reduction process, causing changes in the production process, and reuses part of the heat carried away by the hydrogen after reduction, thereby achieving the effect of improving energy efficiency, and solves the problem of reusing part of the heat carried away by the hydrogen after reduction, solves the problem of heat dissipation of the hydrogen after reduction, reduces the working pressure of the cooling system in the circulation system, solves the problem of heat dissipation of the hydrogen after reduction, reduces the working pressure of the cooling system in the circulation system, and improves energy utilization.

[0017] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A heat exchange energy-saving device for a hydrogen reduction furnace, characterized in that: The heat exchange and energy-saving device pipeline comprises a preheating hydrogen pipeline and a post-reduction hydrogen discharge pipeline. The heat exchange and energy-saving device pipeline is arranged at the lower part of the interior of the furnace body; the preheating hydrogen pipeline is arranged on the inner side of the heat exchange and energy-saving device pipeline, one end of the preheating hydrogen pipeline is connected to the hydrogen recovery system, and the other end is connected to the No. 1 furnace tube and the No. 2 furnace tube respectively; one end of the post-reduction hydrogen discharge pipeline is connected to the hydrogen recovery system, and the other end is connected to the No. 1 furnace tube and the No. 2 furnace tube respectively.

2. The heat exchange energy-saving device for a hydrogen reduction furnace according to claim 1, characterized in that: The preheating hydrogen pipeline and the reduced hydrogen discharge pipeline are respectively arranged on both sides of the No. 1 furnace tube and the No. 2 furnace tube.

3. The heat exchange energy-saving device for a hydrogen reduction furnace according to claim 2, characterized in that: The heat exchange and energy-saving device of the hydrogen reduction furnace is arranged at the lower part of the furnace body to reduce the heat loss in the pipeline of the heat exchange and energy-saving device.

4. The heat exchange energy-saving device for a hydrogen reduction furnace according to claim 3, characterized in that: Furnace bricks are arranged in the furnace body, and heating wires are arranged in the furnace bricks.

5. The heat exchange energy-saving device for a hydrogen reduction furnace according to claim 4, characterized in that: The first furnace tube and the second furnace tube are both arranged in the interior of the furnace body in a transverse direction, and the first furnace tube and the second furnace tube are arranged at intervals.

6. The heat exchange energy-saving device for a hydrogen reduction furnace according to claim 5, characterized in that: One end of the post-reduction hydrogen discharge pipe passes through the inner side of the heat exchange energy-saving device pipe and is connected to the hydrogen recovery system.

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