Environment-friendly gas crucible furnace with purification function

By integrating purification detection mechanism and heat exchange assembly in the gas crucible furnace, the problem of easy blockage of the filter element in the gas crucible furnace is solved, ensuring the environmental protection of gas emissions, and reducing energy consumption through heat recovery, achieving efficient and environmentally friendly gas purification and heat recovery effects.

CN222651908UActive Publication Date: 2025-03-21JUDING THERMAL TECH (SUZHOU) CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421320542.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-03-21
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

The harmful gases generated by existing gas crucible furnaces during the smelting process cannot be directly discharged into the environment and need to be purified through the filter element, but the filter element is prone to clogging, affecting the purification effect.

Method used

An environmentally friendly gas crucible furnace with purification function was designed, and a purification detection mechanism was integrated to purify the gas through purification components and detect the degree of blockage of the filter element. When the blockage reaches a certain level, a warning was issued to ensure that the gas emissions comply with environmental protection standards. At the same time, the purified gas enters the heat exchange assembly, and the heat in the gas is recovered for heating or other thermal energy needs, reducing energy consumption.

Benefits of technology

Through the purification and detection functions of the purification components, the environmental protection of gas emissions is ensured, and the heat recovery of the heat exchange components is reduced, energy consumption is improved and the environmental protection and efficiency of the system is improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222651908U_ABST
    Figure CN222651908U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of gas crucible furnace purification, in particular to an environment-friendly gas crucible furnace with a purification function, which comprises a crucible furnace, and a sealing cover is fixedly mounted on one side of the crucible furnace; the purification detection mechanism is used for detecting the blockage degree of a purification part and is arranged on one side of the crucible furnace; wherein the purification detection mechanism comprises an input pipe fixedly mounted on one side of the crucible furnace, and a purification assembly is arranged on one side of the input pipe; the discharged gas is purified through the purification assembly, the blockage degree of the filter element can be detected, when blockage reaches a certain degree, an alarm is given out, the filter element is replaced, it is ensured that the gas discharge meets the environmental protection standard all the time, the filtered gas can enter the heat exchange assembly, and heat generated in the gas is recycled, so that the gas discharge efficiency is improved. And the crucible furnace is used for heating or other heat energy requirements, so that the overall energy consumption is reduced, and the environment is protected.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of gas crucible furnace purification, in particular to an environmentally friendly gas crucible furnace with a purification function. Background Art

[0002] Crucible furnace is the simplest smelting equipment, mainly used for smelting some non-ferrous metals with low melting points, such as copper, aluminum and their alloys. The metal is melted inside the crucible, and the furnace gas of the crucible does not directly contact the metal, so the composition of the metal or alloy is not affected, and the temperature of the molten metal is relatively uniform;

[0003] As shown in the reference case "A Gas Crucible Furnace" announcement number "CN209726787U", by setting up an insulation layer and fixing the insulation layer on the outer wall of the crucible, the temperature inside the crucible can be retained, saving energy consumption and reducing the time spent on subsequent metal smelting, increasing work efficiency, and by sealing the cover plate, the crucible can be sealed when the crucible is smelting to prevent the outside from affecting the inside of the crucible;

[0004] Existing gas crucible furnaces produce harmful gases during the smelting process. These gases cannot be discharged directly into the environment, so they need to be purified by the installed filter element. Over time, the filter element may become clogged due to long-term use, affecting its filtration efficiency. If the filter element is not replaced in time, it will seriously affect the purification effect of the furnace exhaust gas.

[0005] Therefore, an environmentally friendly gas crucible furnace with a purification function is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide an environmentally friendly gas crucible furnace with a purification function in order to solve the above problems, which improves the existing gas crucible furnace which produces harmful gases during the smelting process. These gases cannot be directly discharged into the environment, so they need to be purified by the installed filter core. Over time, the filter core may become clogged due to long-term use, affecting its filtering efficiency. If the filter core is not replaced in time, it will seriously affect the purification effect of the furnace exhaust gas.

[0007] The utility model achieves the above-mentioned purpose through the following technical solutions. An environmentally friendly gas crucible furnace with a purification function comprises: a crucible furnace, a closing cover is fixedly installed on one side of the crucible furnace; a purification detection mechanism, the purification detection mechanism for detecting the blockage degree of the purification component is arranged on one side of the crucible furnace; wherein the purification detection mechanism comprises an input pipe fixedly installed on one side of the crucible furnace, a purification component is arranged on one side of the input pipe, and a heat exchange component is arranged on one side of the purification component. When the crucible furnace is in use, the discharged gas can be purified by the purification component, and when the purification component is in use, the blockage degree of the filter element can be detected. When the blockage reaches a certain degree, a warning is issued, and the staff can be notified to replace the filter element to ensure that the gas emission always meets the environmental protection standards. The filtered gas can enter the interior of the heat exchange component, and the heat generated in the gas is recovered for heating or other thermal energy requirements of the crucible furnace, thereby reducing the overall energy consumption and being very environmentally friendly.

[0008] Preferably, the purification component includes a purification box fixedly installed on one side of the input pipe, a first partition is fixedly installed inside the purification box, a filter core is provided on one side of the first partition, one side of the filter core is slidably connected to the purification box, a detection tube is fixedly installed on one side of the purification box, the detection tube is located above the filter core, the detection tube is connected to the inside of the purification box, two support rods are fixedly installed inside the detection tube, the same sealing plate is slidably installed on the outer sides of the two support rods, the sealing plate is slidably connected to the inside of the detection tube, a pressure sensor is fixedly installed on one side of the detection tube, the detection end of the pressure sensor extends to the inside of the detection tube and contacts with the sealing plate, when the gas enters the purification box, the gas can be filtered through the filter core, and when the filter core is gradually blocked, the pressure between the filter core and the detection tube will increase, thereby squeezing the sealing plate upward, so that the sealing plate squeezes the detection end of the pressure sensor, and when sufficient pressure is detected, it indicates that the filter core has reached the degree of blockage and needs to be replaced or cleaned to maintain the effective operation and purification efficiency of the system.

[0009] Preferably, the purification component also includes a controller fixedly mounted on one side of the detection tube, and a spring is sleeved on the outer side of the support rod, and both ends of the spring are fixedly connected to the sealing plate and the inner wall of the detection tube respectively. When the sealing plate moves up, the corresponding two springs can be squeezed synchronously to allow the two springs to deform synchronously. After replacing the filter element, the sealing plate can be reset by the spring, thereby facilitating the next detection.

[0010] Preferably, a pull rod is fixedly installed on one side of the filter element, and the pull rod is located outside the purification box. When the filter element needs to be cleaned or replaced, the operator can easily remove the filter element from the purification box for replacement by simply operating the pull rod, which is very convenient.

[0011] Preferably, the heat exchange assembly includes a heat exchange box fixedly installed on one side of the purification box, a second partition is fixedly installed on one side of the heat exchange box, the second partition is set to a T shape, a plurality of heat exchange tubes are fixedly installed on one side of the second partition, a liquid outlet pipe and a liquid inlet pipe are respectively fixedly installed on one side of the heat exchange box, the liquid outlet pipe and the liquid inlet pipe are both located on one side of the second partition, an air outlet pipe is fixedly installed on one side of the purification box, water can enter through the liquid inlet pipe, enter the interior of the plurality of heat exchange tubes, and then be discharged from the liquid outlet pipe, and the purified gas enters the interior of the heat exchange box and contacts with the plurality of heat exchange tubes for heat exchange, so that the heat of the gas can be recovered and the temperature of the exhaust gas can be effectively reduced.

[0012] Preferably, the heat exchange assembly also includes a plurality of baffles fixedly mounted inside the heat exchange box, and a plurality of through holes are provided on the surfaces of the plurality of baffles. The plurality of baffles cause the gas to make multiple flow turns inside the heat exchange box through the through holes, thereby increasing the flow path of the fluid and extending its residence time in the heat exchange box.

[0013] Preferably, the baffle is obliquely arranged inside the heat exchange box, and the multiple through holes of two adjacent baffles are far away from each other, forcing the gas passing through the heat exchange box to undergo more direction changes when passing through the baffle, thereby improving the efficiency of heat exchange and increasing the contact time and contact area with the heat exchange surface.

[0014] The beneficial effects of the utility model are:

[0015] 1. The exhaust gas is purified by the purification component, and the blockage degree of the filter element can be detected. When the blockage reaches a certain degree, an alarm is issued and the filter element is replaced to ensure that the gas emission always meets the environmental protection standards. The filtered gas can enter the heat exchange component and recover the heat generated in the gas for heating the crucible furnace or other heat energy needs, thereby reducing the overall energy consumption and being very environmentally friendly.

[0016] 2. Water can enter through the liquid inlet pipe, enter multiple heat exchange tubes, and then be discharged from the liquid outlet pipe. After the purified gas enters the heat exchange box, it contacts multiple heat exchange tubes for heat exchange, so that the heat of the gas can be recovered and the temperature of the exhaust gas can be effectively reduced. Multiple baffles make the gas flow multiple times inside the heat exchange box through the through holes, thereby increasing the flow path of the fluid and extending its residence time in the heat exchange box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the purification component structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the detection tube of the utility model;

[0020] Figure 4 This is a schematic diagram of the heat exchange component structure of the utility model.

[0021] In the figure: 1. crucible furnace; 2. closing cover; 3. purification detection mechanism; 31. input pipe; 32. purification component; 321. purification box; 322. filter element; 323. pull rod; 324. detection tube; 325. support rod; 326. sealing plate; 327. pressure sensor; 328. controller; 329. spring; 3210. first partition; 33. heat exchange component; 331. heat exchange box; 332. liquid outlet pipe; 333. liquid inlet pipe; 334. second partition; 335. heat exchange tube; 336. baffle; 337. through hole; 338. outlet pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] When implementing: Figure 1-4 As shown, an environmentally friendly gas crucible furnace with a purification function comprises: a crucible furnace 1, a closing cover 2 is fixedly installed on one side of the crucible furnace 1; a purification detection mechanism 3, the purification detection mechanism 3 for detecting the blockage degree of the purification component is arranged on one side of the crucible furnace 1; wherein, the purification detection mechanism 3 comprises an input pipe 31 fixedly installed on one side of the crucible furnace 1, a purification component 32 is arranged on one side of the input pipe 31, and a heat exchange component 33 is arranged on one side of the purification component 32. When the crucible furnace 1 is in use, the discharged gas can be purified by the purification component 32, and when the purification component 32 is in use, the blockage degree of the filter element 322 can be detected. When the blockage reaches a certain degree, an alarm is issued, and the staff can be notified to replace the filter element 322, so as to ensure that the gas emission always meets the environmental protection standards, and the filtered gas can enter the heat exchange component 33, and the heat generated in the gas is recovered for heating or other heat energy requirements of the crucible furnace 1, thereby reducing the overall energy consumption and being very environmentally friendly.

[0024] like Figure 2 and Figure 3As shown, the purification assembly 32 includes a purification box 321 fixedly installed on one side of the input pipe 31, a first partition 3210 is fixedly installed inside the purification box 321, a filter core 322 is arranged on one side of the first partition 3210, one side of the filter core 322 is slidably connected to the purification box 321, a detection tube 324 is fixedly installed on one side of the purification box 321, the detection tube 324 is located above the filter core 322, the detection tube 324 is connected to the inside of the purification box 321, and two support rods 324 are fixedly installed inside the detection tube 324. 5. The outer sides of the two supporting rods 325 are slidably mounted with a sealing plate 326, which is slidably connected to the inside of the detection tube 324. A pressure sensor 327 is fixedly mounted on one side of the detection tube 324. The detection end of the pressure sensor 327 extends to the inside of the detection tube 324 and contacts the sealing plate 326. When the gas enters the purification box 321, the gas can be filtered through the filter element 322. When the filter element 322 is gradually blocked, the pressure between the filter element 322 and the detection tube 324 will increase, thereby The sealing plate 326 is squeezed upward so that the sealing plate 326 squeezes the detection end of the pressure sensor 327. When sufficient pressure is detected, it indicates that the filter element 322 has reached a blocking degree and needs to be replaced or cleaned to maintain the effective operation and purification efficiency of the system. The purification component 32 also includes a controller 328 fixedly installed on one side of the detection tube 324. The outer side of the support rod 325 is provided with a spring 329. The two ends of the spring 329 are fixedly connected to the sealing plate 326 and the inner wall of the detection tube 324 respectively. When the sealing plate 326 moves upward, The two corresponding springs 329 can be squeezed synchronously to allow the two springs 329 to deform synchronously. After replacing the filter element 322, the sealing plate 326 can be reset by the spring 329 to facilitate the next inspection. A pull rod 323 is fixedly installed on one side of the filter element 322. The pull rod 323 is located on the outside of the purification box 321. When the filter element 322 needs to be cleaned or replaced, the operator can easily remove the filter element 322 from the purification box 321 for replacement by simply operating the pull rod 323. It is very convenient.

[0025] like Figure 2 and Figure 4As shown, the heat exchange component 33 includes a heat exchange box 331 fixedly installed on one side of the purification box 321, a second partition 334 is fixedly installed on one side of the heat exchange box 331, the second partition 334 is set in a T shape, a plurality of heat exchange tubes 335 are fixedly installed on one side of the second partition 334, a liquid outlet pipe 332 and a liquid inlet pipe 333 are respectively fixedly installed on one side of the heat exchange box 331, the liquid outlet pipe 332 and the liquid inlet pipe 333 are both located on one side of the second partition 334, an air outlet pipe 338 is fixedly installed on one side of the purification box 321, water can enter through the liquid inlet pipe 333, enter the interior of the plurality of heat exchange tubes 335, and then be discharged from the liquid outlet pipe 332, and the purified gas enters the interior of the heat exchange box 331 and contacts with the plurality of heat exchange tubes 335 for heat exchange, The heat of the gas can be recovered and the temperature of the exhaust gas can be effectively reduced. The heat exchange component 33 also includes a plurality of baffles 336 fixedly installed inside the heat exchange box 331. A plurality of through holes 337 are provided on the surfaces of the plurality of baffles 336. The plurality of baffles 336 allow the gas to present multiple flow turns inside the heat exchange box 331 through the through holes 337, thereby increasing the flow path of the fluid and extending its residence time in the heat exchange box 331. The baffles 336 are obliquely arranged inside the heat exchange box 331. The plurality of through holes 337 of two adjacent baffles 336 are far away from each other, forcing the gas passing through the heat exchange box 331 to undergo more direction changes when passing through the baffles 336, thereby improving the efficiency of heat exchange and increasing the contact time and contact area with the heat exchange surface.

[0026] When the utility model is in use, when the gas enters the purification box 321, the gas can be filtered through the filter element 322. When the filter element 322 is gradually blocked, the pressure between the filter element 322 and the detection tube 324 will increase, thereby squeezing the sealing plate 326 to move upward, so that the sealing plate 326 squeezes the detection end of the pressure sensor 327. When sufficient pressure is detected, it indicates that the filter element 322 has reached the degree of blockage and needs to be replaced or cleaned to maintain the effective operation and purification efficiency of the system. When the filter element 322 needs to be cleaned or replaced, the operator can simply operate the pull rod 323 to replace the filter element 322. , it is very convenient to easily remove the filter element 322 from the purification box 321 for replacement. Water can enter through the liquid inlet pipe 333, enter the multiple heat exchange tubes 335, and then be discharged from the liquid outlet pipe 332. After the purified gas enters the heat exchange box 331, it contacts with the multiple heat exchange tubes 335 for heat exchange, so that the heat of the gas can be recovered and the temperature of the exhaust gas can be effectively reduced. Multiple baffles 336 make the gas present multiple flow turns inside the heat exchange box 331 through the through holes 337, thereby increasing the flow path of the fluid and extending its residence time in the heat exchange box 331.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An environmentally friendly gas-fired crucible furnace with purification function, characterized in that: include: A crucible furnace (1), wherein a closing cover (2) is fixedly mounted on one side of the crucible furnace (1); A purification detection mechanism (3), used for detecting the degree of blockage of the purification component, wherein the purification detection mechanism (3) is arranged on one side of the crucible furnace (1); The purification detection mechanism (3) comprises an input pipe (31) fixedly mounted on one side of the crucible furnace (1), a purification component (32) is arranged on one side of the input pipe (31), and a heat exchange component (33) is arranged on one side of the purification component (32).

2. The environmentally friendly gas-fired crucible furnace with purification function according to claim 1, characterized in that: The purification assembly (32) comprises a purification box (321) fixedly mounted on one side of the input pipe (31); a first partition (3210) is fixedly mounted inside the purification box (321); a filter core (322) is disposed on one side of the first partition (3210); one side of the filter core (322) is slidably connected to the purification box (321); a detection tube (324) is fixedly mounted on one side of the purification box (321); the detection tube (324) is located above the filter core (322); and the detection tube (324) is disposed on one side of the purification box (321). The detection tube (324) is connected to the interior of the purification box (321), two support rods (325) are fixedly installed inside the detection tube (324), and the outer sides of the two support rods (325) are slidably installed with a same sealing plate (326), and the sealing plate (326) is slidably connected to the interior of the detection tube (324). A pressure sensor (327) is fixedly installed on one side of the detection tube (324), and the detection end of the pressure sensor (327) extends to the interior of the detection tube (324) and contacts with the sealing plate (326).

3. The environmentally friendly gas-fired crucible furnace with purification function according to claim 2, characterized in that: The purification component (32) further comprises a controller (328) fixedly mounted on one side of the detection tube (324); a spring (329) is sleeved on the outer side of the support rod (325); and two ends of the spring (329) are respectively fixedly connected to the sealing plate (326) and the inner wall of the detection tube (324).

4. The environmentally friendly gas-fired crucible furnace with purification function according to claim 2, characterized in that: A pull rod (323) is fixedly mounted on one side of the filter core (322), and the pull rod (323) is located outside the purification box (321).

5. The environmentally friendly gas-fired crucible furnace with purification function according to claim 1, characterized in that: The heat exchange assembly (33) comprises a heat exchange box (331) fixedly mounted on one side of the purification box (321); a second partition (334) is fixedly mounted on one side of the heat exchange box (331); the second partition (334) is arranged in a T-shape; a plurality of heat exchange tubes (335) are fixedly mounted on one side of the second partition (334); a liquid outlet pipe (332) and a liquid inlet pipe (333) are respectively fixedly mounted on one side of the heat exchange box (331); the liquid outlet pipe (332) and the liquid inlet pipe (333) are both located on one side of the second partition (334); and an air outlet pipe (338) is fixedly mounted on one side of the purification box (321).

6. The environmentally friendly gas-fired crucible furnace with purification function according to claim 1, characterized in that: The heat exchange assembly (33) further comprises a plurality of baffles (336) fixedly mounted inside the heat exchange box (331), and a plurality of through holes (337) are provided on the surfaces of the plurality of baffles (336).

7. The environmentally friendly gas-fired crucible furnace with purification function according to claim 6, characterized in that: The baffle (336) is arranged obliquely inside the heat exchange box (331), and the multiple through holes (337) of two adjacent baffles (336) are far away from each other.

Citation Information

Patent Citations

  • Gas crucible furnace

    CN209726787U