A heat utilization device for a waste liquid resource production system containing copper and nickel

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By designing a heat utilization device for a resource production system for copper-containing and nickel-containing waste liquids, the heat energy released from the jacketed reactor is used as the heat source of the coil reactor, and the problem of waste heat waste and connection difficulty is solved through the improved flange connection structure, and efficient heat utilization and practicality are improved.

CN222739144UActive Publication Date: 2025-04-11SHAANXI NEW WORLD SOLID WASTE COMPREHENSIVE DISPOSAL

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Patent Information

Application Number: CN202421461340.X
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-06-25
Publication Date: 2025-04-11
Estimated Expiration: 2034-06-25

AI Technical Summary

Technical Problem

In the resource production system of copper-containing and nickel-containing waste liquids, there is a problem of waste heat waste. At the same time, the connecting ends of the reactor are connected by flanges, making it difficult to locate, resulting in high installation difficulty and poor sealing and serious heat loss.

Method used

A heat utilization device for a resource production system of copper-containing and nickel-containing waste liquid is designed. It is connected to the hot water pipe of the coil reactor through a jacketed reactor. The heat energy released from the replacement reaction in the jacketed reactor is used as the heat source for the production of nickel hydroxide in the coil reactor, and the improved flange connection structure is used to achieve rapid positioning and high sealing connection.

Benefits of technology

It realizes the recycling and utilization of waste heat, saves energy, improves the practicality of the device, reduces heat loss, and simplifies the installation process of the reactor.

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Abstract

The utility model discloses a heat utilization device for a waste liquid resource production system containing copper and nickel, comprising a jacketed reactor; further comprising: a heat exchanger 1 is installed on one side of the jacketed reactor, and a circulating water pool is fixedly connected to one side of the heat exchanger 1; wherein a coil reactor is arranged on the other side of a hot water pipe, and a heat exchanger 2 is fixedly connected to one side of the coil reactor, and a jacket reactor is arranged on one side of the heat exchanger 2, and a heat exchange cold water pipe is arranged on one side of the heat exchanger 2; wherein a flange is arranged on the other side of the jacketed reactor, and a sealing block is arranged on one side of the flange, and a sealing strip is arranged on one side of the sealing block, and the purpose of waste heat recovery and utilization is achieved by utilizing the heat energy released by the replacement reaction in the jacketed reactor during the production of sponge copper as a heat source for the production of nickel hydroxide in the coil reactor, and it is also convenient to solve the problem of untimely heat exchange under extreme weather conditions, and the effect of reducing heat loss is achieved through the rapid positioning connection of the connection end.

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Description

Technical Field

[0001] The utility model relates to the field of waste heat recovery, in particular to a heat utilization device of a copper-containing and nickel-containing waste liquid resource production system. Background Art

[0002] Different chemical reactions in chemical production require different reaction conditions. For example, redox reactions release a large amount of heat. In order to ensure production safety during the chemical production process, heat exchange is generally used to reduce the reaction heat, and this part of the reaction heat is generally discarded.

[0003] At present, it is found in actual production that in the process of resource-based production, when sponge copper is produced by the metal replacement method, a large amount of heat energy can be released. At this stage, cold water heat exchange is used to reduce the system temperature to ensure production safety. At the same time, in the process of producing nickel hydroxide, in order to speed up the reaction, increase the nickel hydroxide particles, and reduce the water content of the product, it is necessary to heat the reaction system during the reaction maturation process to increase the temperature. In the early production, the heat exchange cooling of the sponge copper and the heating of the nickel hydroxide are carried out separately. Therefore, there is a waste of waste heat in the resource production system of copper-containing and nickel-containing waste liquids, and the connecting end of the reactor is usually connected by a flange, but it is difficult to position the flange when splicing, which makes the installation difficult, and the sealing of the connection is poor, which is easy to cause leakage and heat loss, resulting in poor practicality of the device.

[0004] A heat utilization device for a waste liquid resource production system containing copper and nickel is proposed to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a heat utilization device for a resource production system of copper-containing and nickel-containing waste liquid, so as to solve the problem proposed in the above background technology that it is found in actual production that a large amount of heat energy can be released when a metal replacement method is used to produce sponge copper in the process of resource production, and at present, a cold water heat exchange method is used to reduce the system temperature to ensure production safety; at the same time, in the process of producing nickel hydroxide, in order to speed up the reaction, increase the nickel hydroxide particles, and reduce the water content of the product, it is necessary to heat the reaction system during the reaction maturation process to increase the temperature of the reaction system, while in the early production, the heat exchange cooling of the sponge copper and the heating of the nickel hydroxide are carried out separately, so there is a waste of waste heat in the resource production system of the copper-containing and nickel-containing waste liquid, and the connecting end of the reactor is usually connected by a flange, but it is difficult to position the flange when splicing, which makes the installation difficult, and the sealing of the connection is poor, which is easy to cause leakage and heat loss, thus resulting in the problem of poor practicality of the device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat utilization device of a waste liquid resource production system containing copper and nickel, comprising a jacketed reactor;

[0007] It is characterized by further comprising:

[0008] A temperature sensor is installed on one side of the top of the jacketed reactor, and a hot water pipe is fixedly connected to the other side of the jacketed reactor, and a heat exchanger 1 is fixedly connected to one side of the hot water pipe, and a steam port is fixedly connected to one side of the heat exchanger 1, and steam condensate is fixedly connected to the other side of the heat exchanger 1, and a circulating water pool is fixedly connected to one side of the steam condensate;

[0009] Among them, a coil reactor is arranged on the other side of the hot water pipe, and a heat exchange coil is arranged on the inner side of the coil reactor, and one side of the heat exchange coil is fixedly connected to the second heat exchanger, and one side of the second heat exchanger is fixedly connected to the cold water pipe, and one side of the cold water pipe is fixedly connected to the hot water exchange circulation pump, and one side of the hot water exchange circulation pump is connected to the jacket reactor, and the other side of the second heat exchanger is arranged with a hot water exchange return pipe, and one side of the hot water exchange return pipe is arranged with a heat exchange cold water pipe, and one side of the heat exchange cold water pipe is fixedly connected to a cooling water tower circulation pump, and one end of the cooling water tower circulation pump is fixedly connected to a circulating water pool;

[0010] Among them, a connecting end is provided on the other side of the jacketed reactor, and an inclined groove is provided on one side of the connecting end, and a connecting groove is provided on one side of the inclined groove, and a baffle is provided on one side of the connecting groove, and a positioning plug is provided on the other side of the connecting groove, and a flange is provided on the other side of the connecting end, and a connecting hole is provided on one side of the flange, and a mounting bolt is provided on one side of the connecting hole, and a positioning groove is provided on the other side of the flange, and a positioning block is provided on the other side of the positioning groove, and a sealing block is provided on the other side of the inclined groove, and a sealing strip is provided on one side of the sealing block, and a positioning slot is provided on one side of the sealing strip.

[0011] Preferably, the jacketed reactor is connected to the coil reactor through a hot water pipe, and one end of the heat exchange coil is connected to the hot water circulation pump through a cold water pipe and connected to the jacketed reactor at the same time, so as to facilitate waste heat recovery.

[0012] Preferably, the outlet of the jacketed reactor is connected to heat exchanger one through a hot water pipe, and the outlet of the heat exchange coil is connected to heat exchanger two through a cold water pipe, which is beneficial for heat replenishment in extremely cold weather and circulating water cooling in extremely hot weather, overcoming the unstable operation of the system in extreme weather.

[0013] Preferably, an oblique groove is provided at one end of the connecting end, and a connecting groove is provided at one side of the oblique groove, and a baffle is fixedly connected to one side of the connecting groove, and a positioning plug is fixedly connected to the other side of the connecting groove, and a flange is fixedly connected to the other side of the connecting end, and a connecting hole is provided on one side of the flange, and a mounting bolt is inserted in the middle of the connecting hole, and a positioning groove is provided on the other side of the flange, and a positioning block is inserted in the middle of the positioning groove, and a sealing block is fit-connected to the other side of the oblique groove, and a sealing strip is fixedly connected to one side of the sealing block, and a positioning slot is provided on one side of the sealing strip to facilitate connection of the connecting end.

[0014] Preferably, the flange is fixedly connected to the outer side of the connecting end close to one end of the inclined groove to facilitate the connection of the connecting end.

[0015] Preferably, the positioning groove is opened on the side of the flange away from the inclined groove, and the connecting end and the flange are symmetrically arranged, and the positioning block is fixedly connected to the top of the flange away from the side of the positioning groove, and the positioning block is engaged with the positioning groove to facilitate the alignment of the flange.

[0016] Preferably, the mounting bolts connect the flange and the positioning block through the connecting holes, so as to facilitate the fixing of the flange.

[0017] Preferably, the sealing strip fits with the inner wall of the connecting groove, and the sealing strip is plugged into the positioning plug-in block through the positioning slot, and one side of the baffle fits with one side of the sealing strip, so as to facilitate the sealing of the connection.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the heat utilization device of the copper-containing and nickel-containing waste liquid resource production system saves a large amount of energy including electric energy and steam by utilizing the heat energy released by the replacement reaction in the jacket reactor when producing sponge copper as the heat source for the production of nickel hydroxide in the coil reactor, thereby achieving the purpose of waste heat recovery and utilization, and facilitating the solution of the problem of untimely heat exchange under extreme weather conditions. Moreover, the rapid positioning connection of the reactor connection end and the improved sealing of the connection at the reactor connection end achieve the effect of reducing heat loss, making the heat utilization device more practical. The specific contents are as follows:

[0019] 1. In the process of resource production of copper-containing and nickel-containing waste liquid, the heat utilization device utilizes the heat energy released by the replacement reaction in the jacket reactor during the production of sponge copper as the heat source for the production of nickel hydroxide in the coil reactor, which can meet the purpose of industrial production requirements and save a lot of energy including electricity and steam, so as to achieve the purpose of waste heat recovery and utilization. Therefore, the heat utilization device is more practical;

[0020] 2. The heat utilization device uses a heat exchanger, a cooling tower and a pipe pump structure. The heat exchanger on the hot water pipe side uses incineration steam to heat the circulating cooling water, ensuring that sufficient heat is provided to the heat-demanding reaction system under severe cold conditions. When the temperature is high in summer, the heat exchanger on the cold water pipe side uses a cooling tower to cool the circulating cooling water entering the heat release system to achieve a good heat exchange effect, thereby solving the problem of untimely heat exchange under extreme weather conditions.

[0021] 3. The heat utilization device is provided with a positioning groove, a positioning block, an inclined groove, a connecting groove, a baffle, a positioning plug, a sealing block, a sealing strip and a positioning slot on one side of the reactor connection end, so as to facilitate the rapid positioning and connection of the reactor connection end, facilitate the rapid installation of the reactor and the pipeline, and also facilitate to improve the sealing of the connection of the reactor connection end and reduce the heat loss, thereby making the heat utilization device more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the installation structure of the connection end of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the connection end of the utility model;

[0025] Figure 4 This is a schematic diagram of the side structure of the connection end of the utility model;

[0026] Figure 5 This is a schematic diagram of the overall structure of the sealing block of the utility model.

[0027] In the figure: 1. Jacketed reactor; 2. Temperature sensor; 3. Hot water pipe; 4. Heat exchanger 1; 5. Cold water pipe; 6. Hot water circulation pump for heat exchange; 7. Coil reactor; 8. Heat exchange coil; 9. Steam port; 10. Steam condensate; 11. Hot water return pipe for heat exchange; 12. Cold water pipe for heat exchange; 13. Cooling tower circulation pump; 14. Circulating water pool; 15. Connecting end; 16. Inclined groove; 17. Connecting groove; 18. Baffle; 19. Positioning plug; 20. Flange; 21. Connecting hole; 22. Positioning groove; 23. Positioning block; 24. Sealing block; 25. Sealing strip; 26. Positioning slot; 27. Mounting bolt; 28. Heat exchanger 2. DETAILED DESCRIPTION

[0028] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0029] See also Figure 1-5 The utility model provides a technical solution: a heat utilization device of a copper-containing and nickel-containing waste liquid resource production system, comprising a jacketed reactor 1; further comprising: a temperature sensor 2 is installed on one side of the top of the jacketed reactor 1, and a hot water pipe 3 is fixedly connected to the other side of the jacketed reactor 1, and a heat exchanger 4 is fixedly connected to one side of the hot water pipe 3, and a steam port 9 is fixedly connected to one side of the heat exchanger 4, and a steam condensate 10 is fixedly connected to the other side of the heat exchanger 4, and a circulating water pool 14 is fixedly connected to one side of the steam condensate 10; the jacketed reactor 1 is connected to a coil reactor 7 through the hot water pipe 3, and one end of the heat exchange coil 8 is connected to a hot water circulation pump 6 through a cold water pipe 5 and is connected to the jacketed reactor 1 at the same time, such as Figure 1 As shown, the circulating water pipelines of the exothermic reactor and the heat-requiring reactor are connected in series, cold water enters the exothermic reactor through the jacket in the jacketed reactor 1 to take away the reaction heat, and the hot water after exchange passes through the hot water pipe 3 and the heat exchange coil 8 inside the coil reactor 7 to enter the heat-requiring reactor coil to heat the material in the reactor, and then the cold water after heat exchange flows out through the upper mouth of the coil and enters the exothermic reactor again through the cold water pipe 5 for heat exchange, and circulates in sequence until the reaction is completed.

[0030] Among them, a coil reactor 7 is provided on the other side of the hot water pipe 3, and a heat exchange coil 8 is provided on the inner side of the coil reactor 7, and one side of the heat exchange coil 8 is fixedly connected to a heat exchanger 28, and one side of the heat exchanger 28 is fixedly connected to a cold water pipe 5, and one side of the cold water pipe 5 is fixedly connected to a hot water exchange circulation pump 6, and one side of the hot water exchange circulation pump 6 is connected to a jacket reactor 1, and a hot water exchange return pipe 11 is provided on the other side of the heat exchanger 28, and a heat exchange cold water pipe 12 is provided on one side of the hot water exchange return pipe 11, and one side of the heat exchange cold water pipe 12 is fixedly connected to a cooling water tower circulation pump 13, and one end of the cooling water tower circulation pump 13 is fixedly connected to a circulating water pool 14; the outlet of the jacket reactor 1 is connected to the heat exchanger 1 4 through the hot water pipe 3, and the outlet of the heat exchange coil 8 is connected to the heat exchanger 2 28 through the cold water pipe 5, as shown Figure 1As shown, through heat exchanger 1 4, heat exchanger 2 28, and cooling tower circulating pump 13, when the temperature is low in winter, the circulating cooling water is heated by combustion steam through heat exchanger 1 4 on the side of hot water pipe 3 to ensure sufficient heat provided to the heat-requiring reaction system; when the temperature is high in summer, the circulating cooling water entering the heat release system is cooled by cooling tower through heat exchanger 2 28 on the side of cold water pipe 5 to achieve a better heat exchange effect, thereby solving the problem of untimely heat exchange in extreme weather conditions.

[0031] Among them, the other side of the jacketed reactor 1 is provided with a connecting end 15, and one side of the connecting end 15 is provided with an inclined groove 16, and one side of the inclined groove 16 is provided with a connecting groove 17, and one side of the connecting groove 17 is provided with a baffle 18, and the other side of the connecting groove 17 is provided with a positioning plug 19, and the other side of the connecting end 15 is provided with a flange 20, and one side of the flange 20 is provided with a connecting hole 21, and one side of the connecting hole 21 is provided with a mounting bolt 27, and the other side of the flange 20 is provided with a positioning groove 22, and the positioning A positioning block 23 is provided on the other side of the positioning groove 22, and a sealing block 24 is provided on the other side of the inclined groove 16, and a sealing strip 25 is provided on one side of the sealing block 24, and a positioning slot 26 is provided on one side of the sealing strip 25; one end of the connecting end 15 is provided with an inclined groove 16, and a connecting groove 17 is provided on one side of the inclined groove 16, and a baffle 18 is fixedly connected to one side of the connecting groove 17, and a positioning plug 19 is fixedly connected to the other side of the connecting groove 17, and a flange 20 is fixedly connected to the other side of the connecting end 15, A connecting hole 21 is provided on one side of the flange 20, and a mounting bolt 27 is inserted in the middle of the connecting hole 21, and a positioning groove 22 is provided on the other side of the flange 20, and a positioning block 23 is inserted in the middle of the positioning groove 22, and a sealing block 24 is fitted and connected to the other side of the inclined groove 16, and a sealing strip 25 is fixedly connected to one side of the sealing block 24, and a positioning slot 26 is provided on one side of the sealing strip 25; the flange 20 is fixedly connected to the outer side of the connecting end 15 near one end of the inclined groove 16; the positioning groove 22 is provided on the flange 20 is on the side away from the inclined groove 16, and the connecting end 15 and the flange 20 are symmetrically arranged, and the positioning block 23 is fixedly connected to the top of the flange 20 on the side away from the positioning groove 22, and the positioning block 23 is engaged with the positioning groove 22; the mounting bolt 27 connects the flange 20 and the positioning block 23 through the connecting hole 21; the sealing strip 25 is in contact with the inner wall of the connecting groove 17, and the sealing strip 25 is plugged into the positioning plug 19 through the positioning slot 26, and one side of the baffle 18 is in contact with one side of the sealing strip 25, as shown in FIG. Figure 2 , 3As shown in Figures 4 and 5, by setting the positioning groove 22 and the positioning block 23, the two flanges 20 at the connecting end 15 can be quickly positioned and connected. By setting the sealing block 24 and the sealing strip 25, the sealing of the flange 20 connection can be enhanced. In combination with the positioning plug 19, the baffle 18 and the positioning slot 26, the stability of the connection between the sealing strip 25 and the connecting groove 17 can be enhanced. The sealing block 24 and the sealing strip 25 are made of materials with poor thermal conductivity, which can reduce heat loss and make the heat-saving device more practical.

[0032] Working principle: When using the heat utilization device, first insert the sealing strip 25 into the middle of the connecting groove 17 on one side of the connecting end 15, and make the positioning slot 26 engage with the positioning plug 19. At this time, the baffle 18 and the connecting groove 17 engage the sealing strip 25 in the middle.

[0033] Secondly, engage the positioning block 23 on one side flange 20 with the positioning groove 22 on the other side flange 20, and adjust the sealing strip 25 so that the sealing block 24 fits with the inclined groove 16, and engage the sealing strip 25 with the connecting end 15 on the other side, and connect the two flanges 20 through the connecting hole 21 with the mounting bolts 27.

[0034] Finally, through the coordination of the jacketed reactor 1, the temperature sensor 2, the hot water pipe 3, the heat exchanger 1 4, the steam port 9, the steam condensate 10, the circulating water pool 14 and the coil reactor 7, the heat exchange coil 8, the cold water pipe 5, the hot water exchange circulation pump 6, the heat exchanger 2 28, the hot water exchange return pipe 11, the heat exchange cold water pipe 12 and the cooling tower circulation pump 13, the heat energy released by the replacement reaction in the jacketed reactor 1 is used as the heat source for the material production in the coil reactor 7.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A heat utilization device for a waste liquid resource production system containing copper or nickel, comprising a jacketed reactor (1); It is characterized in that Also includes: A temperature sensor (2) is installed on one side of the top of the jacketed reactor (1), and a hot water pipe (3) is fixedly connected to the other side of the jacketed reactor (1), and a heat exchanger (4) is fixedly connected to one side of the hot water pipe (3), and a steam port (9) is fixedly connected to one side of the heat exchanger (4), and steam condensate (10) is fixedly connected to the other side of the heat exchanger (4), and a circulating water pool (14) is fixedly connected to one side of the steam condensate (10); Wherein, a coil reactor (7) is arranged on the other side of the hot water pipe (3), and a heat exchange coil (8) is arranged on the inner side of the coil reactor (7), and one side of the heat exchange coil (8) is fixedly connected to a second heat exchanger (28), and one side of the second heat exchanger (28) is fixedly connected to a cold water pipe (5), and one side of the cold water pipe (5) is fixedly connected to a hot water exchange circulation pump (6), and one side of the hot water exchange circulation pump (6) is connected to the jacket reactor (1), and a hot water exchange return pipe (11) is arranged on the other side of the second heat exchanger (28), and a heat exchange cold water pipe (12) is arranged on one side of the hot water exchange return pipe (11), and one side of the heat exchange cold water pipe (12) is fixedly connected to a cooling tower circulation pump (13), and one end of the cooling tower circulation pump (13) is fixedly connected to a circulating water pool (14); The jacketed reactor (1) is provided with a connecting end (15) on the other side, and an inclined groove (16) is provided on one side of the connecting end (15), and a connecting groove (17) is provided on one side of the inclined groove (16), and a baffle (18) is provided on one side of the connecting groove (17), and a positioning plug (19) is provided on the other side of the connecting groove (17), and a flange (20) is provided on the other side of the connecting end (15), and a connecting hole (21) is provided on one side of the flange (20), and a mounting bolt (27) is provided on one side of the connecting hole (21), and a positioning groove (22) is provided on the other side of the flange (20), and a positioning block (23) is provided on the other side of the positioning groove (22), and a sealing block (24) is provided on the other side of the inclined groove (16), and a sealing strip (25) is provided on one side of the sealing block (24), and a positioning slot (26) is provided on one side of the sealing strip (25).

2. The heat utilization device of a copper-containing and nickel-containing waste liquid resource production system according to claim 1, characterized in that: The jacketed reactor (1) is connected to the coil reactor (7) via a hot water pipe (3), and one end of the heat exchange coil (8) is connected to a hot water circulation pump (6) via a cold water pipe (5) and is also connected to the jacketed reactor (1).

3. The heat utilization device of a copper-containing and nickel-containing waste liquid resource production system according to claim 1, characterized in that: The outlet of the jacketed reactor (1) is connected to the first heat exchanger (4) via a hot water pipe (3), and the outlet of the heat exchange coil (8) is connected to the second heat exchanger (28) via a cold water pipe (5).

4. The heat utilization device of a copper-containing and nickel-containing waste liquid resource production system according to claim 1, characterized in that: One end of the connecting end (15) is provided with an inclined groove (16), and one side of the inclined groove (16) is provided with a connecting groove (17), and one side of the connecting groove (17) is fixedly connected to a baffle (18), and the other side of the connecting groove (17) is fixedly connected to a positioning plug (19), and the other side of the connecting end (15) is fixedly connected to a flange (20), and one side of the flange (20) is provided with a connecting hole (21), and a mounting bolt (27) is inserted in the middle of the connecting hole (21), and the other side of the flange (20) is provided with a positioning groove (22), and a positioning block (23) is inserted in the middle of the positioning groove (22), and the other side of the inclined groove (16) is fittedly connected to a sealing block (24), and one side of the sealing block (24) is fixedly connected to a sealing strip (25), and one side of the sealing strip (25) is provided with a positioning slot (26).

5. The heat utilization device of the copper-containing and nickel-containing waste liquid resource production system according to claim 4 is characterized in that: The flange (20) is fixedly connected to the outer side of the connection end (15) close to one end of the inclined groove (16).

6. The heat utilization device of the copper-containing and nickel-containing waste liquid resource production system according to claim 4 is characterized in that: The positioning groove (22) is formed on a side of the flange (20) away from the inclined groove (16), and the connecting end (15) and the flange (20) are symmetrically arranged. The positioning block (23) is fixedly connected to the top of the flange (20) on the side away from the positioning groove (22), and the positioning block (23) is engaged with the positioning groove (22).

7. The heat utilization device of the copper-containing and nickel-containing waste liquid resource production system according to claim 4 is characterized in that: The mounting bolts (27) connect the flange (20) and the positioning block (23) through the connecting holes (21).

8. The heat utilization device of the copper-containing and nickel-containing waste liquid resource production system according to claim 4 is characterized in that: The sealing strip (25) is fitted with the inner wall of the connecting groove (17), and the sealing strip (25) is plugged into the positioning plug block (19) through the positioning slot (26), and one side of the baffle (18) is fitted with one side of the sealing strip (25).