High-temperature plasma torch for waste resource utilization

By using a cooling tube and a cyclone sleeve structure in the plasma torch and forming an air curtain with a high-pressure nozzle, the problem of plasma torch being corroded by corrosive gases in waste resource utilization is solved, extending service life and improving plasma stability .

CN222263101UActive Publication Date: 2024-12-27SUZHOU YUZHI PLASMA TECH CO LTD
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Patent Information

Application Number
CN202420689778.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-07
Publication Date
2024-12-27
Estimated Expiration
2034-04-07

AI Technical Summary

Technical Problem

The existing plasma torches are easily corroded by corrosive gases in the furnace during waste resource utilization, resulting in frequent replacement of electrodes and inconvenient use.

Method used

A high-temperature plasma torch is designed, using a cooling tube inserted in the middle of the mounting seat, a negative electrode head is fixed on the top of the cooling tube, a swirl sleeve and a nozzle are installed on the top of the positive electrode ring, and a high-pressure nozzle is set through the air intake ring to form an air curtain to the positive electrode ring and the negative electrode head. Perform purging to avoid corrosion while the swirl sleeve increases gas mixing and uniformity.

Benefits of technology

It effectively extends the service life of the plasma torch, improves its resistance to corrosion, and enhances the stability and energy density of the plasma.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a high-temperature plasma torch for waste resource utilization, which relates to the technical field of plasmas and comprises a torch head, the torch head comprises a mounting seat, a cooling pipe is inserted in the middle of the mounting seat, a cathode head is fixedly mounted at the top of the cooling pipe, and an anode ring is fixedly mounted on the inner side of the top end of the mounting seat. The top of the positive electrode ring is fixedly provided with a rotational flow sleeve, an air inlet mechanism is fixedly arranged in the mounting base, the air inlet mechanism comprises an air inlet ring, the air inlet ring is in a circular ring shape, the top of the air inlet ring is provided with a high-pressure nozzle, the bottom of the air inlet ring is fixedly provided with an air inlet connector, and the air inlet connector is arranged on the outer side of the mounting base. According to the utility model, the top of the air inlet ring is provided with the high-pressure nozzle, so that high-pressure airflow sprayed out of the high-pressure nozzle can blow the outer sides of the positive electrode ring and the negative electrode head to form an air curtain, the positive electrode ring and the negative electrode head can be effectively prevented from being corroded by corrosive gas in the furnace, and the service life can be prolonged.
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Description

Technical Field

[0001] The utility model belongs to the field of plasma technology, and more specifically, particularly relates to a high-temperature plasma torch used for waste resource utilization. Background Art

[0002] A plasma torch is a device used to generate directional flow of plasma. Plasma jets can be used for applications such as plasma cutting, plasma arc welding, plasma spraying, and plasma gasification for waste treatment. Plasma gasification and melting disposal technology uses a plasma torch to ionize inert gas to form a 4726.85P plasma arc. Under the action of ultra-high temperature, oxygen-deficient environment and reactive particles, organic matter in hazardous waste is decomposed into synthesis gas containing hydrogen, carbon monoxide, water and other gases, which can be used as fuel or chemical raw materials; inorganic matter is melted to form glassy slag (mainly composed of silicates and metals), which can be used to recycle metals and make building materials.

[0003] Based on the above, the inventors have discovered the following problems: In the current waste resource utilization process, a plasma vaporization and melting furnace is required to gasify organic matter and melt inorganic matter into a glass body. A plasma torch is usually installed at the bottom of a plasma vaporization and melting device. Corrosive gases are easily generated inside the plasma vaporization and melting furnace. The electrodes of the plasma torch are very easily corroded and need to be replaced frequently, which is inconvenient to use.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a high-temperature plasma torch for waste resource utilization is provided, in order to achieve a purpose with greater practical value. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a high-temperature plasma torch for waste resource utilization.

[0006] The purpose and effect of the high temperature plasma torch for waste resource utilization of the utility model are achieved by the following specific technical means:

[0007] A high-temperature plasma torch for waste resource utilization comprises a torch head, the torch head comprises a mounting seat, a cooling pipe is inserted in the middle of the mounting seat, a negative electrode head is fixedly mounted on the top of the cooling pipe, a positive electrode ring is fixedly mounted on the inner side of the top of the mounting seat, a swirl sleeve is fixedly mounted on the top of the positive electrode ring, a nozzle is fixedly mounted on the top of the swirl sleeve, an air intake mechanism is fixedly mounted inside the mounting seat, the air intake mechanism comprises an air intake ring, the air intake ring is in a circular ring shape, a high-pressure nozzle is opened on the top of the air intake ring, an air intake interface is fixedly mounted on the bottom of the air intake ring, and the air intake interface is arranged on the outside of the mounting seat.

[0008] The beneficial effect of adopting the above further scheme is that a cooling pipe is inserted through the middle of the mounting seat, which is convenient for the introduction of cooling water, and convenient for cooling during the use of the device, avoiding damage caused by excessive temperature, which is beneficial to improving the service life. A negative electrode head is fixedly installed on the top of the cooling pipe, and a positive electrode ring is fixedly installed on the inner side of the top of the mounting seat, which is convenient for striking an arc to generate high temperature and convert the gas into plasma. A swirl sleeve is fixedly installed on the top of the positive electrode ring, and a nozzle is fixedly installed on the top of the swirl sleeve, which is convenient for driving the air passing through the swirl sleeve to form a rotating flow state and then ejected from the nozzle, and it is annular through the air intake ring. A high-pressure nozzle is opened on the top of the air intake ring, which is convenient for setting the high-pressure nozzle at the bottom of the inner side of the positive electrode ring, so that the high-pressure airflow ejected from the high-pressure nozzle is convenient for sweeping the positive electrode ring and the outside of the negative electrode head to form an air curtain, which can effectively prevent the positive electrode ring and the negative electrode head from being corroded by the corrosive gas in the furnace, which is beneficial to improving the service life. An air intake interface is fixedly installed at the bottom of the air intake ring, and the air intake interface is arranged on the outside of the mounting seat, which is convenient for connecting to an external air source and blowing high-pressure airflow into the device.

[0009] Furthermore, the swirl sleeve is arranged on the outside of the cooling pipe, and a flow-guiding pattern is provided inside the swirl sleeve.

[0010] The beneficial effect of adopting the above further scheme is that the swirl sleeve is arranged on the outside of the cooling tube, and the guide lines are opened inside the swirl sleeve, so that the air passing through the swirl sleeve can be driven to form a rotating flow state, thereby increasing the mixing degree and uniformity of the gas, making the temperature and density of the plasma more uniform, thereby improving the stability and energy density of the plasma.

[0011] Furthermore, the cooling tube includes a tube body, a conductive core is inserted through the middle of the tube body, and the top of the conductive core is electrically connected to the negative electrode head.

[0012] The beneficial effect of adopting the above further solution is that a conductive core is inserted through the middle of the tube body, and the top of the conductive core is electrically connected to the negative electrode head, so as to provide electrical energy for the operation of the negative electrode head.

[0013] Furthermore, a second electrode interface is provided at the bottom of the conductive core, and a first electrode interface is fixedly installed at the bottom of the mounting seat, and the first electrode interface is electrically connected to the positive electrode ring.

[0014] The beneficial effect of adopting the above further solution is that, through the provision of the first electrode interface and the second electrode interface, it is convenient to connect an external power line, so as to provide power for the use of the device.

[0015] Furthermore, a circulating water channel is provided inside the tube body, a liquid inlet interface is fixedly installed at the bottom of the tube body, and a liquid outlet interface is fixedly installed at one side of the bottom end of the tube body.

[0016] The beneficial effect of adopting the above further scheme is that, through the setting of the circulating water channel, cooling water can enter the circulating water channel from the liquid inlet interface to cool the inside of the device, and the cooling water after absorbing heat flows out from the liquid outlet interface.

[0017] Furthermore, the liquid outlet interface and the liquid inlet interface are both arranged on the outside of the bottom end of the mounting seat.

[0018] The beneficial effect of adopting the above further solution is that the liquid outlet interface and the liquid inlet interface are both arranged on the outside of the bottom end of the mounting seat, which facilitates connection with the external water pipe and facilitates the introduction of circulating cooling water into the cooling pipe.

[0019] Furthermore, a protective cover is fixedly mounted on the outer side of the top end of the mounting seat, and the protective cover is arranged on the outer side of the swirl sleeve and the nozzle.

[0020] The beneficial effect of adopting the above further scheme is that a protective cover is fixedly installed on the outer side of the top of the mounting seat, and the protective cover is arranged on the outside of the swirl sleeve and the nozzle, so that the protective cover can provide protection for the internal structure, avoid the high-temperature corrosive gas inside the plasma torch from damaging the internal structure of the device, and help to increase the service life.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] 1. This high-temperature plasma torch for waste resource utilization has a cooling pipe inserted through the middle of the mounting seat, which is convenient for passing cooling water and cooling during the use of the device to avoid damage caused by excessive temperature, which is beneficial to improving the service life. A negative electrode head is fixedly installed on the top of the cooling pipe, and a positive electrode ring is fixedly installed on the inner side of the top of the mounting seat, which is convenient for striking an arc to generate high temperature and convert gas into plasma. A swirl sleeve is fixedly installed on the top of the positive electrode ring, and a nozzle is fixedly installed on the top of the swirl sleeve, which is convenient for driving the air passing through the swirl sleeve to form a rotating flow state and then ejected from the nozzle, and it is annular through the air intake ring. A high-pressure nozzle is opened on the top of the air intake ring, which is convenient for setting the high-pressure nozzle at the bottom of the inner side of the positive electrode ring, so that the high-pressure airflow ejected from the high-pressure nozzle is convenient for sweeping the positive electrode ring and the outside of the negative electrode head to form an air curtain, which can effectively prevent the positive electrode ring and the negative electrode head from being corroded by the corrosive gas in the furnace, which is beneficial to improving the service life. An air intake interface is fixedly installed at the bottom of the air intake ring, and the air intake interface is arranged on the outside of the mounting seat, which is convenient for connecting to an external air source and convenient for blowing high-pressure airflow into the device;

[0023] 2. This high-temperature plasma torch for waste resource utilization is arranged on the outside of the cooling tube through a swirl sleeve, and a guide pattern is opened inside the swirl sleeve, which is convenient for driving the air passing through the swirl sleeve to form a rotating flow state, increasing the mixing degree and uniformity of the gas, making the temperature and density of the plasma more uniform, thereby improving the stability and energy density of the plasma; the utility model can purge the outside of the positive electrode ring and the negative electrode head to form an air curtain, which can effectively prevent the positive electrode ring and the negative electrode head from being corroded by the corrosive gas in the furnace, which is beneficial to improving the service life and has a high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional diagram of a high-temperature plasma torch for waste resource utilization according to the utility model;

[0025] Figure 2 It is a cross-sectional view of a high-temperature plasma torch for waste resource utilization according to the utility model;

[0026] Figure 3 It is a cross-sectional view of the air intake mechanism of the utility model;

[0027] Figure 4 It is a cross-sectional view of the cooling rod of the utility model.

[0028] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0029] 101, torch head; 10101, mounting seat; 10102, positive electrode ring; 10103, first electrode interface; 10104, protective cover; 102, air intake mechanism; 10201, air intake ring; 10202, air intake interface; 10203, high-pressure nozzle; 103, swirl sleeve; 104, cooling pipe; 10401, tube body; 10402, conductive core; 10403, second electrode interface; 10404, circulating water channel; 10405, liquid outlet interface; 10406, liquid inlet interface; 105, negative electrode head; 106, nozzle. DETAILED DESCRIPTION

[0030] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0031] Example:

[0032] As attached Figure 1 To Attachment Figure 4 As shown:

[0033] The utility model provides a high-temperature plasma torch for waste resource utilization, including a torch head 101, the torch head 101 includes a mounting seat 10101, a cooling pipe 104 is inserted in the middle of the mounting seat 10101, the cooling pipe 104 is inserted in the middle of the mounting seat 10101, it is convenient to pass cooling water, it is convenient to cool the device during use, avoid damage caused by excessive temperature, and is conducive to improving the service life, a negative electrode head 105 is fixedly installed on the top of the cooling pipe 104, and a positive electrode head 105 is fixedly installed on the inner side of the top of the mounting seat 10101 The ring 10102 is fixedly mounted with a negative electrode head 105 on the top of the cooling tube 104, and a positive electrode ring 10102 is fixedly mounted on the inner side of the top of the mounting seat 10101, so as to generate high temperature to convert the gas into plasma by striking an arc, and a swirl sleeve 103 is fixedly mounted on the top of the positive electrode ring 10102, and a nozzle 106 is fixedly mounted on the top of the swirl sleeve 103, and a swirl sleeve 103 is fixedly mounted on the top of the positive electrode ring 10102, and a nozzle 106 is fixedly mounted on the top of the swirl sleeve 103, so as to drive the air passing through the swirl sleeve 103 to form a rotating flow. After the state is formed, the air is sprayed from the nozzle 106. The mounting seat 10101 is fixedly installed with an air intake mechanism 102. The air intake mechanism 102 includes an air intake ring 10201. The air intake ring 10201 is in a circular ring shape. A high-pressure nozzle 10203 is opened on the top of the air intake ring 10201. The air intake ring 10201 is in a circular ring shape. The high-pressure nozzle 10203 is opened on the top of the air intake ring 10201. It is convenient to set the high-pressure nozzle 10203 at the bottom of the inner side of the positive ring 10102, so that the high-pressure airflow sprayed by the high-pressure nozzle 10203 is convenient for the positive ring 10102 And the outside of the negative electrode head 105 is purged to form an air curtain, which can effectively prevent the positive electrode ring 10102 and the negative electrode head 105 from being corroded by the corrosive gas in the furnace, which is beneficial to improving the service life. An air intake interface 10202 is fixedly installed on the bottom of the air intake ring 10201, and the air intake interface 10202 is arranged on the outside of the mounting seat 10101. The air intake interface 10202 is fixedly installed on the bottom of the air intake ring 10201, and the air intake interface 10202 is arranged on the outside of the mounting seat 10101, which is convenient for connecting to an external air source and blowing high-pressure airflow into the inside of the device.

[0034] Among them, the swirl sleeve 103 is sleeved on the outside of the cooling tube 104, and the swirl sleeve 103 is provided with guide lines. By sleeved on the outside of the cooling tube 104, and the swirl sleeve 103 is provided with guide lines, it is convenient to drive the air passing through the swirl sleeve 103 to form a rotating flow state, increase the mixing degree and uniformity of the gas, make the temperature and density of the plasma more uniform, thereby improving the stability and energy density of the plasma.

[0035] Among them, the cooling tube 104 includes a tube body 10401, a conductive core 10402 is inserted in the middle of the tube body 10401, and the top of the conductive core 10402 is electrically connected to the negative electrode head 105, so as to provide electric energy for the operation of the negative electrode head 105.

[0036] Among them, a second electrode interface 10403 is provided at the bottom of the conductive core 10402, and a first electrode interface 10103 is fixedly installed at the bottom of the mounting seat 10101. The first electrode interface 10103 is electrically connected to the positive electrode ring 10102. Through the setting of the first electrode interface 10103 and the second electrode interface 10403, it is convenient to connect an external power cord, so as to provide power for the use of the device.

[0037] Among them, a circulating water channel 10404 is opened inside the tube body 10401, a liquid inlet interface 10406 ​​is fixedly installed at the bottom of the tube body 10401, and a liquid outlet interface 10405 is fixedly installed on one side of the bottom end of the tube body 10401. Through the setting of the circulating water channel 10404, cooling water can enter the circulating water channel 10404 from the liquid inlet interface 10406 ​​to cool the inside of the device, and the cooling water after absorbing heat flows out from the liquid outlet interface 10405.

[0038] Among them, the liquid outlet interface 10405 and the liquid inlet interface 10406 ​​are both arranged on the outside of the bottom end of the mounting seat 10101. The liquid outlet interface 10405 and the liquid inlet interface 10406 ​​are both arranged on the outside of the bottom end of the mounting seat 10101, which is convenient for connecting to the external water pipe and convenient for introducing circulating cooling water into the cooling pipe 104.

[0039] Among them, a protective cover 10104 is fixedly installed on the outer side of the top of the mounting seat 10101, and the protective cover 10104 is arranged on the outer side of the swirl sleeve 103 and the nozzle 106. The protective cover 10104 is fixedly installed on the outer side of the top of the mounting seat 10101, and the protective cover 10104 is arranged on the outer side of the swirl sleeve 103 and the nozzle 106, so that the protective cover 10104 can provide protection for the internal structure, avoid the high-temperature corrosive gas inside the plasma torch from damaging the internal structure of the device, which is beneficial to improve the service life.

[0040] The specific usage and function of this embodiment are as follows:

[0041] When using this product, first check whether the connection of the device is tightened. After ensuring that it is intact, place the device in the designated position. Through the arrangement of the first electrode interface 10103 and the second electrode interface 10403, it is convenient to connect the external power line and provide power for the use of the device. The liquid outlet interface 10405 and the liquid inlet interface 10406 ​​are both arranged on the outside of the bottom end of the mounting seat 10101, which is convenient to connect the external water pipe and convenient to pass circulating cooling water into the cooling pipe 104. Through the arrangement of the circulating water channel 10404, it is convenient for cooling water to enter the circulating water channel 10404 from the liquid inlet interface 10406 ​​to cool the inside of the device. The cooling water after absorbing heat flows out from the liquid outlet interface 10405. The air inlet interface 10202 is fixedly installed at the bottom of the air inlet ring 10201. The air inlet interface 10202 is arranged on the outside of the mounting seat 10101, which is convenient to connect to the external air source and blow high-pressure air into the device. The air inlet ring 10201 is in a ring shape. A high-pressure nozzle 10203 is provided on the top of the gas ring 10201, which is convenient for arranging the high-pressure nozzle 10203 at the bottom of the inner side of the positive electrode ring 10102, so that the high-pressure airflow ejected from the high-pressure nozzle 10203 can be purged on the outer side of the positive electrode ring 10102 and the negative electrode head 105 to form an air curtain, which can effectively prevent the positive electrode ring 10102 and the negative electrode head 105 from being corroded by the corrosive gas in the furnace, and is beneficial to improving the service life. The swirl sleeve 103 is sleeved on the outer side of the cooling pipe 104, and the swirl sleeve 10 3 is provided with flow-guiding lines inside, which is convenient for driving the air passing through the swirl sleeve 103 to form a rotating flow state, increasing the mixing degree and uniformity of the gas, making the temperature and density of the plasma more uniform, thereby improving the stability and energy density of the plasma. A negative electrode head 105 is fixedly installed on the top of the cooling tube 104, and a positive electrode ring 10102 is fixedly installed on the inner side of the top of the mounting seat 10101, which is convenient for striking an arc to generate high temperature to convert the gas into plasma, and the plasma is ejected from the nozzle 106.

[0042] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A high temperature plasma torch for waste resource utilization, characterized in that: The invention comprises a flare head (101), wherein the flare head (101) comprises a mounting seat (10101), a cooling pipe (104) is inserted in the middle of the mounting seat (10101), a negative electrode head (105) is fixedly mounted on the top of the cooling pipe (104), a positive electrode ring (10102) is fixedly mounted on the inner side of the top of the mounting seat (10101), a swirl sleeve (103) is fixedly mounted on the top of the positive electrode ring (10102), and a spray nozzle (105) is fixedly mounted on the top of the swirl sleeve (103). The mounting seat (10101) has an air intake mechanism (102) fixedly mounted inside, the air intake mechanism (102) comprising an air intake ring (10201), the air intake ring (10201) being in a circular ring shape, the top of the air intake ring (10201) being provided with a high-pressure nozzle (10203), the bottom of the air intake ring (10201) being fixedly mounted with an air intake interface (10202), the air intake interface (10202) being arranged on the outside of the mounting seat (10101).

2. A high temperature plasma torch for waste resource utilization as claimed in claim 1, characterized in that: The swirl sleeve (103) is sleeved on the outside of the cooling pipe (104), and a flow-guiding pattern is provided inside the swirl sleeve (103).

3. A high temperature plasma torch for waste resource utilization as claimed in claim 1, characterized in that: The cooling tube (104) comprises a tube body (10401), a conductive core (10402) is inserted through the middle of the tube body (10401), and the top of the conductive core (10402) is electrically connected to the negative electrode head (105).

4. A high temperature plasma torch for waste resource utilization as claimed in claim 3, characterized in that: A second electrode interface (10403) is provided at the bottom of the conductive core (10402), and a first electrode interface (10103) is fixedly installed at the bottom of the mounting seat (10101), and the first electrode interface (10103) is electrically connected to the positive electrode ring (10102).

5. A high temperature plasma torch for waste resource utilization as claimed in claim 3, characterized in that: A circulating water channel (10404) is provided inside the tube body (10401), a liquid inlet interface (10406) is fixedly installed at the bottom of the tube body (10401), and a liquid outlet interface (10405) is fixedly installed at one side of the bottom end of the tube body (10401).

6. A high temperature plasma torch for waste resource utilization as claimed in claim 5, characterized in that: The liquid outlet interface (10405) and the liquid inlet interface (10406) are both arranged on the outer side of the bottom end of the mounting seat (10101).

7. A high temperature plasma torch for waste resource utilization as claimed in claim 1, characterized in that: A protective cover (10104) is fixedly mounted on the outer side of the top end of the mounting seat (10101), and the protective cover (10104) is arranged on the outer side of the swirl sleeve (103) and the nozzle (106).