CN213434480U

CN213434480U - Novel reaction kettle

Info

Publication number: CN213434480U
Application number: CN202021300036.9U
Authority: CN
Inventors: 欧胜; 舒良; 白坤生; 谢彬; 李赳
Original assignee: Dongguan Xiubo Ruiyin Electronic Materials Co ltd
Current assignee: Dongguan Xiubo Electronic Material Co.,Ltd.
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-06-15
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a novel reaction kettle, including the internal, external cauldron body, upper cover, agitating unit and feeding shower nozzle, on the top of the internal cauldron including the upper cover is connected, the upper cover encloses out the reaction chamber with the internal cauldron, the internal portion of cauldron including external cauldron body suit, enclose out the heating chamber between the external and internal cauldron bodies, agitating unit installs on the upper cover, the upper cover is equipped with the lye hole, feeding shower nozzle installs on the upper cover to stretch into the reaction chamber. The utility model discloses a feeding shower nozzle directly sprays the acid etching waste liquid to the alkali lye surface, increases the area of contact of acid etching waste liquid and alkali lye, has improved reaction efficiency, has avoided acid etching waste liquid too high at the small range internal concentration, can't fully react and lead to the crystal form bad with alkali lye, can obtain the higher, the still less basic copper carbonate product of impurity of purity.

Description

Novel reaction kettle

Technical Field

The utility model relates to an acid etching waste liquid treatment field especially relates to a novel reation kettle who uses in the acid etching waste liquid recovery processing.

Background

In the process of producing the basic copper carbonate by recycling the acidic etching waste liquid, the alkali liquid and the acidic etching waste liquid react in the reaction kettle to prepare the basic copper carbonate, but in the current preparation process, the reaction efficiency is low, the prepared basic copper carbonate has poor crystal form, so that the obtained basic copper carbonate has low purity, more impurities and high subsequent treatment cost on the basic copper carbonate. Patent application No. 201920125256.3's a patent of etching solution regeneration copper sulfate reation kettle discloses a reation kettle, through being equipped with sieve, flight and vibrating device, improves stirring mixing efficiency in to reation kettle, makes the reaction more complete, but can not improve the crystal form of reaction product, can not improve reaction efficiency.

SUMMERY OF THE UTILITY MODEL

According to the utility model discloses an aspect provides a novel reaction kettle, including the internal kettle body, the external kettle body, upper cover, agitating unit and feeding shower nozzle, the upper cover is connected on the top of the internal kettle body including, the upper cover encloses the reaction chamber with the internal kettle, the internal portion of cauldron including the external kettle of external kettle suit, enclose the heating chamber between the external kettle body and the internal kettle body, agitating unit installs on the upper cover, the upper cover is equipped with the lye hole, the feeding shower nozzle is installed on the upper cover to stretch into the reaction intracavity.

The utility model has the advantages that: the utility model discloses be provided with feeding shower nozzle and alkali lye hole at the upper cover, the alkali lye hole is used for injecting into the required alkali lye of preparation basic copper carbonate, and the feeding shower nozzle is used for spraying acid etching waste liquid to the reaction intracavity, increases the area of contact of acid etching waste liquid and alkali lye, makes acid etching waste liquid fully react with the alkali lye contact, is favorable to the preparation to obtain the better basic copper carbonate of crystal form. The stirring device stirs the liquid in the reaction cavity, so that the liquid is more uniformly distributed, and the reaction efficiency is accelerated. The heating cavity heats the reaction cavity, and the temperature in the reaction cavity is guaranteed to reach the reaction temperature. The outer kettle body is used for containing a heat-conducting medium. The utility model discloses a feeding shower nozzle directly sprays the acid etching waste liquid to the alkali lye surface, increases the area of contact of acid etching waste liquid and alkali lye, has improved reaction efficiency, has avoided acid etching waste liquid too high at the small range internal concentration, can't fully react and lead to the crystal form bad with alkali lye, can obtain the higher, the still less basic copper carbonate product of impurity of purity.

In some embodiments, still include the air blast pipe, the air blast pipe is equipped with air vent and air nozzle, the inner wall of cauldron body including air vent fixed mounting, air nozzle evenly distributed is on the air vent, the jet-propelled direction of air nozzle is downwards. The gas injection channel is used for conveying gas, and the gas injection nozzle can blow the basic copper carbonate adhered to the inner wall of the inner kettle body when the gas injection channel injects gas to generate a gas flow downwards along the inner wall of the inner kettle body.

In some embodiments, the reaction kettle further comprises a thermometer and a heating rod, wherein the thermometer is arranged on the upper sealing head and extends into the reaction cavity, and the heating rod is arranged on the outer kettle body and extends into the heating cavity. The thermometer is used for measuring the reaction temperature in the reaction cavity, so that an operator can conveniently adjust the temperature in the reaction cavity.

In some embodiments, the stirring device comprises a motor, a frame, a stirring shaft and a stirring paddle, wherein the motor is mounted on the frame, the frame is mounted on the upper sealing head, the stirring shaft is connected with the motor, the stirring shaft extends into the reaction cavity, the stirring paddle is mounted on the stirring shaft, and the stirring paddle is located in the reaction cavity. The stirring device is used for stirring the liquid in the reaction cavity to ensure that the liquid is uniformly mixed. The motor drives the (mixing) shaft and rotates, and the frame is used for fixed motor, and the (mixing) shaft is used for driving the stirring rake to rotate, and the stirring rake stirs the liquid in the reaction chamber, makes liquid misce bene, fully reacts.

In some embodiments, the stirring paddle comprises a first paddle, a second paddle and a third paddle, the first paddle is spirally wound on the stirring shaft, the first paddle is a screw-type paddle, the second paddle is spirally wound outside the stirring shaft and is fixedly connected with the stirring shaft, the second paddle is a ribbon-type paddle, the third paddle is installed at one end of the stirring shaft and is located below the first paddle and the second paddle, and the third paddle is an anchor-type paddle. The screw type blade is combined with the helical ribbon type blade, and in the stirring process, the axial flow type blade is adopted, so that the liquid in the reaction cavity spirally rises along the wall surface of the container and then converges towards the central recess, and the up-and-down convection circulation is formed. Meanwhile, the adhesive tape has a strong anti-adhesion effect. The stirring paddle combined by the screw type paddle and the helical ribbon type paddle is used, after the acidic etching waste liquid is contacted with the alkali liquor in a spraying mode, the acidic etching waste liquid and the alkali liquor which are reacted on the surface of the liquid surface can be rapidly stirred to the bottom of the reaction cavity, meanwhile, the alkali liquor which is not reacted at the bottom is moved to the surface of the liquid surface and is reacted with the subsequently sprayed acidic etching waste liquid, and the up-and-down convection circulation is continuously formed under stirring, so that the alkali liquor is continuously contacted with the acidic etching waste liquid to react, the full reaction is ensured, and the reaction rate can be increased.

In some embodiments, the feeding spray heads are fan-shaped spray heads, the spraying angle of the feeding spray heads is 70-90 degrees, the number of the feeding spray heads is two, and the two feeding spray heads are symmetrically arranged. The spraying angle of the fan-shaped spray head is 70-90 degrees, the area of the sprayed liquid is large, the acidic waste etching solution is convenient to disperse, and the acidic waste etching solution and the alkali solution react more fully. Two feeding shower nozzles symmetry sets up the feeding volume that can increase in the unit interval, shortens the feeding time. The symmetrical arrangement can increase the spraying area of the neutralization solution and simultaneously avoid the superposition of the spraying areas of the two feeding spray heads.

In some embodiments, the bottom of the inner kettle body is provided with a discharge hole, and the discharge hole is communicated with the reaction cavity. And discharging the generated basic copper carbonate suspension from the discharge port after the reaction is finished.

In some embodiments, the side surface of the inner kettle body is provided with a pH meter port which is communicated with the reaction cavity, and the outer kettle body is provided with a water hole which is communicated with the heating cavity. The pH meter port is used for measuring the pH value in the reaction cavity. The water hole is used for adding heat-conducting media such as heat-conducting oil or water vapor into the heating cavity.

Drawings

Fig. 1 is a schematic structural diagram of a novel reaction kettle according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the stirring device in fig. 1.

Fig. 3 is a top view of the header of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to fig. 3, the utility model discloses a novel reaction kettle, including the inner kettle body 1, the outer kettle body 2, upper cover 3, agitating unit 4, feeding nozzle 5, jet-propelled pipe 10, thermometer 8 and heating rod 9. The upper cover 3 is connected to the top of the inner kettle body 1 through bolts, the reaction cavity 6 is enclosed by the upper cover 3 and the inner kettle body 1, the inner kettle body 1 is externally sleeved with the outer kettle body 2, the heating cavity 7 is enclosed between the outer kettle body 2 and the inner kettle body 1, the stirring device 4 is fixedly installed on the upper cover 3 through bolts, the upper cover 3 is provided with an alkali liquor hole 31, and the feeding nozzle 5 is fixedly installed on the upper cover 3 through bolts and extends into the reaction cavity 6. The feeding spray heads 5 are fan-shaped spray heads, the spraying angles of the feeding spray heads 5 are 70-90 degrees, the number of the feeding spray heads 5 is two, and the two feeding spray heads 5 are symmetrically arranged. The sprayed liquid is uniformly dispersed, and the contact area of the sprayed liquid and the liquid in the reaction cavity is large, so that the improvement of the crystal form of the basic copper carbonate generated by the reaction is facilitated.

The air channel 10 is clamped on the inner wall of the inner kettle body 1, one end of the air channel 10 is communicated with the air pump, the air channel 10 is provided with an air pipe 101 and an air nozzle 102, the shape and the size of the air pipe 101 are matched with the cross section of the inner wall of the inner kettle body 1, the air nozzles 102 are uniformly distributed on the air pipe 101, the air nozzle 102 is communicated with the air pipe 101, the air injection direction of the air nozzle 102 is downward, and basic copper carbonate crystals adhered to the inner wall of the inner kettle body can be blown by air flow to flow downward.

One end of the thermometer 8 is clamped on the upper end enclosure 3, and the other end of the thermometer passes through the upper end enclosure 3 and extends into the reaction cavity 6. The thermometer is used for monitoring the temperature in the reaction cavity 6 and ensuring the smooth reaction.

The stirring device 4 comprises a motor 41, a frame 42, a stirring shaft 43 and a stirring paddle 44, wherein the motor 41 is installed on the frame 42 through bolts, the frame 42 is fixedly installed on the upper end enclosure 3 through bolts, the stirring shaft 43 is connected with an output shaft of the motor 41 through a bearing, the stirring shaft 43 extends into the reaction chamber 6, the stirring paddle 44 is welded and installed on the stirring shaft 43, and the stirring paddle 44 is located in the reaction chamber 6. The motor provides power for the stirring rake rotates, and the frame is used for the fixed stay motor, and the (mixing) shaft is used for driving the stirring rake to rotate.

The stirring paddle 44 comprises a first blade 45, a second blade 46 and a third blade 47, the first blade 45 is spirally welded on the stirring shaft 43, and the first blade 45 is a screw-type blade. The second paddle 46 is connected with the stirring shaft 43 through a connecting rod in a welding mode, the second paddle 46 is a ribbon-type paddle, two ends of the ribbon-type paddle are respectively connected with the connecting rod in a welding mode, the ribbon-type paddle is two, the two ribbon-type paddles are respectively located on two sides of the stirring shaft and the first paddle, and the screw pitch of the second paddle 46 is larger than that of the first paddle 45.

The third paddle 47 is installed at one end of the stirring shaft 43 and is located below the first paddle 45 and the second paddle 46, and the third paddle 47 is an anchor paddle. After the reaction is finished, basic copper carbonate crystals generated by the reaction are deposited at the bottom of the inner kettle body, and are uniformly dispersed in the liquid through the stirring of the third paddle, so that the basic copper carbonate crystals are conveniently taken out when the liquid in the reaction cavity flows out from the discharge hole. According to the reaction requirement, a part of basic copper carbonate crystals generated by the reaction and the mixed solution after the reaction are kept in the reaction cavity to be used as the bottom solution of the next reaction, so that excessive basic copper carbonate crystals can be prevented from being kept in the bottom solution by stirring with the third paddle, and most of the basic copper carbonate crystals generated by the reaction are discharged from the discharge hole along with the liquid.

The bottom of the inner kettle body 1 is provided with a discharge hole 11, the side surface of the inner kettle body 1 is provided with a pH meter port 12, the discharge hole 11 and the pH meter port 12 are communicated with the reaction cavity 6, the outer kettle body 2 is provided with a water hole 21, and the water hole 21 is communicated with the heating cavity 7. The heating rod 9 is fixedly arranged on the outer kettle body 1 through a bolt and extends into the heating cavity 7. Heat conduction oil or water vapor can enter the heating cavity 7 through the water holes 21, and the heating rod 9 can heat the heat conduction oil in the heating cavity 7, so that the reaction cavity 6 is kept at the reaction temperature.

The utility model discloses when using, add the base solution in to reaction chamber 6, inject alkali lye in to reaction chamber 6 through alkali lye hole 31, spray the acid etching waste liquid to the alkali lye surface through feeding shower nozzle 5, starter motor 41, motor 41 drives first paddle 45, the liquid in second paddle 46 and the stirring reaction chamber 6 of third paddle 47, convection current circulation about the liquid formation in messenger reaction chamber 6, the acid etching waste liquid of assurance spraying can be sufficient with the contact of alkali lye and then react, improve the crystal form of the basic copper carbonate that generates, improve reaction rate, improve the off-the-shelf purity of basic copper carbonate, reduce impurity, reduce the subsequent treatment cost of basic copper carbonate. After the reaction is finished, the discharge port 11 is opened, three quarters of the volume of the generated basic copper carbonate suspension is discharged, and the remaining one quarter is kept in the reaction cavity as a base solution for the next reaction. And the air pump is opened, the air nozzle 102 downwards sprays air, so that the basic copper carbonate crystals adhered to the inner wall of the inner kettle body 1 flow to the bottom liquid along the inner wall, and the phenomenon that the quantity of the seed crystals in the bottom liquid is reduced due to the fact that the basic copper carbonate crystals in the bottom liquid are excessively adhered to the inner wall of the inner kettle body, and further the crystal form of the basic copper carbonate in the subsequent reaction is influenced is avoided.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. Novel reation kettle, wherein, including the interior cauldron body (1), the outer cauldron body (2), upper cover (3), agitating unit (4) and feeding shower nozzle (5), kettle body (1) outside including upper cover (3) are connected, reaction chamber (6) are enclosed with interior cauldron body (1) in upper cover (3), cauldron body (1) is outside including outer cauldron body (2) suit, enclose heating chamber (7) between the outer cauldron body (2) and the interior cauldron body (1), agitating unit (4) are installed on upper cover (3), upper cover (3) are equipped with alkali liquor hole (31), feeding shower nozzle (5) are installed on upper cover (3) to stretch into in reaction chamber (6).

2. The novel reaction kettle of claim 1, further comprising an air injection pipe (10), wherein the air injection pipe (10) is provided with an air injection channel (101) and air injection nozzles (102), the air injection channel (101) is fixedly installed on the inner wall of the inner kettle body (1), the air injection nozzles (102) are uniformly distributed on the air injection channel (101), and the air injection direction of the air injection nozzles (102) is downward.

3. The novel reaction kettle of claim 1, further comprising a thermometer (8) and a heating rod (9), wherein the thermometer (8) is mounted on the upper sealing head (3) and extends into the reaction cavity (6), and the heating rod (9) is mounted on the outer kettle body (2) and extends into the heating cavity (7).

4. The novel reaction kettle of claim 1, wherein the stirring device (4) comprises a motor (41), a frame (42), a stirring shaft (43) and a stirring paddle (44), the motor (41) is installed on the frame (42), the frame (42) is installed on the upper sealing head (3), the stirring shaft (43) is connected with the motor (41), the stirring shaft (43) extends into the reaction cavity (6), the stirring paddle (44) is installed on the stirring shaft (43), and the stirring paddle (44) is located in the reaction cavity (6).

5. A novel reaction kettle according to claim 4, wherein the stirring paddle (44) comprises a first paddle (45), a second paddle (46) and a third paddle (47), the first paddle (45) is spirally wound on the stirring shaft (43), the first paddle (45) is a screw type paddle, the second paddle (46) is spirally wound outside the stirring shaft (43) and is fixedly connected with the stirring shaft (43), the second paddle (46) is a ribbon type paddle, the third paddle (47) is installed at one end of the stirring shaft (43) and is located below the first paddle (45) and the second paddle (46), and the third paddle (47) is an anchor type paddle.

6. The novel reaction kettle of claim 1, wherein the feed nozzles (5) are fan nozzles, the injection angle of the feed nozzles (5) is 70-90 degrees, the number of the feed nozzles (5) is two, and the two feed nozzles (5) are symmetrically arranged.

7. The novel reaction kettle of claim 1, wherein a discharge port (11) is formed at the bottom of the inner kettle body (1), and the discharge port (11) is communicated with the reaction cavity (6).

8. The novel reaction kettle as claimed in claim 1, wherein a pH meter port (12) is arranged on the side surface of the inner kettle body (1), the pH meter port (12) is communicated with the reaction cavity (6), and the outer kettle body (2) is provided with a water hole (21), and the water hole (21) is communicated with the heating cavity (7).