Acid mist absorption device for electroplating sludge leaching process

Abstract

The utility model provides an acid mist absorption device for an electroplating sludge leaching process. The acid mist absorbing device for the electroplating sludge leaching process comprises an absorbing barrel, a collecting barrel is installed at the bottom of the absorbing barrel, and a connecting ring is installed at the top of the collecting barrel. According to the utility model, the communicating pipe is arranged at the top of the absorption barrel, the collecting barrel is arranged at the bottom of the absorption barrel, and the liquid storage barrel is arranged on the side surface of the absorption barrel, so that acid mist generated in the reaction process of electroplating sludge in a reaction kettle can be guided into the absorption barrel through the communicating pipe; then the acid mist absorption liquid in the liquid storage barrel is converted into water mist through the atomizing plate and is sprayed into the absorption barrel, so that the acid mist filled in the internal space of the absorption barrel can be adsorbed through the water mist, and the acid mist absorption liquid which absorbs the acid mist is concentrated into the collection barrel so as to be discharged and recycled; therefore, the acid mist in the electroplating sludge leaching process is absorbed and discharged, and the acid mist is prevented from hurting and polluting field operators and ambient air.

Description

Technical Field

[0001] The utility model belongs to the technical field of electroplating sludge, and in particular relates to an acid mist absorption device used in the electroplating sludge leaching process. Background Art

[0002] Electroplating sludge is solid waste derived from the electroplating wastewater treatment process, mainly composed of heavy metal hydroxides such as copper and chromium and other compounds. Since it contains a variety of heavy metals and harmful chemicals, it will cause serious pollution to the environment if discharged without treatment. Therefore, the treatment and utilization of electroplating sludge has become an important issue of environmental protection and resource recovery. In the process of treating electroplating sludge, it is necessary to leach the electroplating sludge, and electroplating sludge will produce acidic gases during the chemical leaching process. These acidic gases cannot be directly discharged into the air, which will cause harm to the on-site operators and pollute the environment. The current electroplating sludge treatment plant has not designed an absorption device for the acidic gas generated during the electroplating sludge leaching process. Therefore, it is necessary to provide an acid mist absorption device for the electroplating sludge leaching process to solve the above problems. Utility Model Content

[0003] The technical content of the utility model is to provide an acid mist absorption device used in the electroplating sludge leaching process.

[0004] In order to solve the above problems, the utility model provides an acid mist absorption device for electroplating sludge leaching process, comprising an absorption barrel, a collecting barrel is installed at the bottom of the absorption barrel, a connecting ring is installed at the top of the collecting barrel, a bottom plate is installed at the bottom of the collecting barrel, a drain pipe is installed at the side of the collecting barrel, a conical cover is installed at the top of the absorption barrel, a fixing ring is installed at the bottom of the conical cover, a connecting pipe is installed at the top of the conical cover, a fixing plate is installed at the outside of the connecting pipe, a mounting plate is installed at the side of the absorption barrel, a liquid storage barrel is installed at the top of the mounting plate, a sealing cover is installed at the top of the liquid storage barrel, a liquid supply pump is installed at the top of the liquid storage barrel, a liquid extraction pipe is installed at the bottom of the liquid supply pump, a liquid supply pipe is installed at the top of the liquid supply pump, two groups of conduits are connected to the side of the liquid supply pipe, and an atomizing plate is connected to the side of the conduit, and the atomizing plate is installed inside the absorption barrel, a heating seat is provided inside the liquid storage barrel, and a heating pipe is installed on the heating seat.

[0005] As a further solution of the present invention, fixing rings are installed on the outer side of the top of the absorption barrel and the outer side of the bottom of the conical cover. The two groups of fixing rings are fixedly connected by four groups of mutually symmetrical fixing bolts. The bottom of the absorption barrel is provided with a connecting groove that is compatible with the connecting ring installed on the top of the collection barrel, and the connecting ring is installed therein. Six groups of fixing bolts are symmetrically installed on the lower end of the side of the absorption barrel. The fixing bolts pass through fixing holes opened at corresponding positions on the absorption barrel and the connecting ring, and then fix the connecting ring in the connecting groove opened at the bottom of the absorption barrel.

[0006] As a further solution of the utility model, fixing holes are opened at the four corners of the base plate, and a through groove is opened at the top of the conical cover, in which the connecting pipe is inserted and installed, and a fixing plate installed on the outside of the connecting pipe is fixedly connected to the connecting pipe, and the fixing plate is fixedly connected to the top of the conical cover by four groups of symmetrical fixing bolts, so that the connecting pipe is installed on the top of the conical cover.

[0007] As a further solution of the utility model, the mounting plate is installed at the lower right end of the absorption barrel, the sealing cover installed on the top of the liquid storage barrel is fixedly installed on the top of the liquid storage barrel, the liquid storage barrel stores a solution for absorbing acid mist generated during the leaching process of electroplating sludge, the top of the sealing cover is inserted with an injection pipe, the injection pipe passes through the sealing cover and is connected to the internal space of the liquid storage barrel, the top of the injection pipe is provided with a pipe cover, the liquid extraction pipe installed at the bottom of the liquid supply pump is arranged in the interior of the liquid storage barrel, the left side of the liquid supply pipe is connected with two groups of conduits, the two groups of conduits pass through two groups of through grooves adapted to the absorption barrel opened on the side of the absorption barrel and extend into the interior of the absorption barrel, one end of the two groups of conduits in the interior of the absorption barrel is connected to the atomization plate, the atomization plate is fixedly installed on the inner wall of the absorption barrel, the left side of the atomization plate is provided with multiple groups of spray ports, the drainage pipe installed on the side of the collecting barrel is connected to the interior of the collecting barrel, the inner bottom surface of the collecting barrel is set as an inclined structure, and the port of the drainage pipe is provided with a pipe cover, which can be used to close the drainage pipe.

[0008] As a further solution of the utility model, a heating seat is installed on the inner bottom surface of the liquid storage barrel, and seven groups of heating tubes are symmetrically installed on the top of the heating seat. The heating tubes are located at the bottom of the liquid extraction tube, and the heating tubes can be heated by the heating seat.

[0009] Compared with the related art, the acid mist absorption device for electroplating sludge leaching process provided by the utility model has the following beneficial effects:

[0010] 1. The utility model installs a connecting pipe on the top of the absorption barrel, a collecting barrel on the bottom of the absorption barrel, and a liquid storage barrel on the side of the absorption barrel. The acid mist generated by the electroplating sludge in the reactor during the reaction process can be introduced into the interior of the absorption barrel through the connecting pipe, and then the acid mist absorption liquid in the liquid storage barrel is converted into a water mist form through an atomizing plate and sprayed into the interior of the absorption barrel. The acid mist filled in the internal space of the absorption barrel can be absorbed by the water mist, and the acid mist absorption liquid that absorbs the acid mist is concentrated in the collecting barrel for discharge and recovery. In this way, the absorption and discharge of the acid mist in the electroplating sludge leaching process is realized, and the acid mist is prevented from causing harm and pollution to the on-site operators and the ambient air.

[0011] 2. The utility model installs a heating seat on the inner bottom surface of the liquid storage barrel, and seven groups of heating tubes are symmetrically installed on the top of the heating seat. The heating tubes are located at the bottom of the liquid extraction tube. The heating seat can heat the heating tubes, and then the acid mist absorbing liquid inside the liquid storage barrel is heated by the heating tubes, so that the acid mist absorbing liquid has a higher absorption rate for the acid mist generated in the electroplating sludge leaching process, thereby improving the absorption efficiency of the acid mist. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0013] Figure 1 This is a top view of a three-dimensional structure schematic diagram of an acid mist absorption device for electroplating sludge leaching process according to the utility model;

[0014] Figure 2 This is a schematic diagram of the side view of the three-dimensional structure of an acid mist absorption device used in the electroplating sludge leaching process of the utility model;

[0015] Figure 3 This is a schematic diagram of the exploded structure of an acid mist absorption device for electroplating sludge leaching process according to the utility model;

[0016] Figure 4 This is a schematic diagram of the cross-sectional structure of a collection barrel of an acid mist absorption device used in an electroplating sludge leaching process according to the utility model;

[0017] Figure 5 This is a schematic diagram of the cross-sectional structure of an absorption barrel of an acid mist absorption device used in an electroplating sludge leaching process according to the utility model;

[0018] Figure 6 This is a schematic diagram of the top structure of a liquid storage barrel of an acid mist absorption device used in the electroplating sludge leaching process of the utility model;

[0019] Figure 7 This is a schematic diagram of the internal structure of a liquid storage barrel of an acid mist absorption device used in an electroplating sludge leaching process according to the utility model;

[0020] Figure 8 This is an enlarged structural schematic diagram of point A of an acid mist absorption device for electroplating sludge leaching process according to the utility model.

[0021] In the figure: 1. absorption barrel; 2. collection barrel; 3. connecting ring; 4. bottom plate; 5. drainage pipe; 6. conical cover; 7. fixing ring; 8. connecting pipe; 9. fixing plate; 10. mounting plate; 11. liquid storage barrel; 12. sealing cover; 13. liquid supply pump; 14. liquid extraction pipe; 15. liquid supply pipe; 16. conduit; 17. atomizing plate; 18. heating seat; 19. heating pipe; 20. liquid injection pipe. DETAILED DESCRIPTION

[0022] Please refer to Figure 1-8 An acid mist absorption device for electroplating sludge leaching process, comprising an absorption barrel 1, a collecting barrel 2 is installed at the bottom of the absorption barrel 1, a connecting ring 3 is installed at the top of the collecting barrel 2, a bottom plate 4 is installed at the bottom of the collecting barrel 2, a drainage pipe 5 is installed on the side of the collecting barrel 2, a conical cover 6 is installed at the top of the absorption barrel 1, a fixing ring 7 is installed at the bottom of the conical cover 6, a connecting pipe 8 is installed at the top of the conical cover 6, a fixing plate 9 is installed on the outside of the connecting pipe 8, a mounting plate 10 is installed on the side of the absorption barrel 1, and a fixing plate 9 is installed on the outside of the connecting pipe 8. A liquid storage barrel 11 is installed on the top of 10, a sealing cover 12 is installed on the top of the liquid storage barrel 11, a liquid supply pump 13 is installed on the top of the liquid storage barrel 11, a liquid extraction pipe 14 is installed on the bottom of the liquid supply pump 13, a liquid supply pipe 15 is installed on the top of the liquid supply pump 13, two groups of conduits 16 are connected to the side of the liquid supply pipe 15, and an atomizing plate 17 is connected to the side of the conduit 16. The atomizing plate 17 is installed inside the absorption barrel 1, and a heating seat 18 is provided inside the liquid storage barrel 11, and a heating pipe 19 is installed on the heating seat 18.

[0023] Preferably, a fixing ring 7 is installed on the outer side of the top of the absorption barrel 1 and the outer side of the bottom of the conical cover 6. The two sets of fixing rings 7 are fixedly connected by four sets of mutually symmetrical fixing bolts, and the conical cover 6 is fixedly installed on the top of the absorption barrel 1. The conical cover 6 can be loaded and unloaded by the two sets of fixing rings 7, which is convenient for inspecting and maintaining the internal structure of the absorption barrel 1. A connecting groove adapted to the connecting ring 3 installed on the top of the collecting barrel 2 is opened at the bottom of the absorption barrel 1. The connecting ring 3 is installed therein, and the absorption barrel 1 is installed on the top of the collecting barrel 2. Six sets of fixing bolts are symmetrically installed on the lower end of the side of the absorption barrel 1. The fixing bolts pass through the fixing holes opened at corresponding positions on the absorption barrel 1 and the connecting ring 3, and the connecting ring 3 is fixedly installed in the connecting groove opened at the bottom of the absorption barrel 1, so that the absorption barrel 1 and the collecting barrel 2 can be fixedly combined;

[0024] Preferably, fixing holes are provided at the four corners of the bottom plate 4, and fixing bolts can be inserted inside the bottom plate 4, so that the bottom plate 4 can be fixedly installed on the electroplating sludge treatment device through four groups of fixing bolts, so that the device can be fixedly installed on the electroplating sludge treatment device as a whole, so as to absorb and treat the acid mist generated during the electroplating sludge leaching process. A through groove is provided on the top of the conical cover 6, and a connecting pipe 8 is inserted and installed therein. A fixing plate 9 installed on the outside of the connecting pipe 8 is fixedly connected to the connecting pipe 8, and the fixing plate 9 is fixedly connected to the top of the conical cover 6 through four groups of symmetrical fixing bolts, so that the connecting pipe 8 is installed on the top of the conical cover 6. The connecting pipe 8 has a reserved length so that the left end of the connecting pipe 8 can be inserted into the reactor used in the electroplating sludge leaching process. The acid mist generated by the electroplating sludge in the reactor during the reaction process will enter the inner space of the conical cover 6 and the absorption barrel 1 through the connecting pipe 8;

[0025] Preferably, the mounting plate 10 is mounted on the lower right side of the absorption barrel 1, and the sealing cover 12 installed on the top of the liquid storage barrel 11 is fixedly mounted on the top of the liquid storage barrel 11. The liquid storage barrel 11 stores a solution for absorbing acid mist generated during the electroplating sludge leaching process, and a liquid injection pipe 20 is inserted and installed on the top of the sealing cover 12. The liquid injection pipe 20 passes through the sealing cover 12 and is connected to the internal space of the liquid storage barrel 11, so that the liquid used to absorb the acid mist generated during the electroplating sludge leaching process can be injected into the liquid storage barrel 11 through the liquid injection pipe 20. The top of the injection pipe 20 is provided with a pipe cover, which can be used to close the injection pipe 20. The liquid extraction pipe 14 installed at the bottom of the liquid supply pump 13 is arranged inside the liquid storage barrel 11. The acid mist absorption liquid in the liquid storage barrel 11 can be extracted and introduced into the liquid supply pipe 15 through the liquid supply pump 13 and the liquid extraction pipe 14. The left side of the liquid supply pipe 15 is connected with two groups of conduits 16. The two groups of conduits 16 pass through two groups of through grooves adapted to the absorption barrel 1 opened on the side of the absorption barrel 1 and extend into the absorption barrel 1. The two groups of conduits 16 are arranged at One end of the interior of the absorption barrel 1 is connected to the atomizing plate 17, and the atomizing plate 17 is fixedly installed on the inner wall of the absorption barrel 1. The acid mist absorption liquid in the liquid supply pipe 15 can be introduced into the interior of the atomizing plate 17 through two groups of conduits 16. A plurality of spray ports are provided on the left side of the atomizing plate 17. The acid mist absorption liquid can be converted into a water mist form through the atomizing plate 17 and sprayed into the interior space of the absorption barrel 1 through the spray ports, so that the acid mist absorption liquid reacts chemically with the acid mist in the interior space of the absorption barrel 1, and the acid mist absorption liquid absorbs the acid mist generated during the electroplating sludge leaching process in the absorption barrel 1. After absorbing the acid mist, the acid mist absorption liquid falls into the interior of the collecting barrel 2 installed at the bottom of the absorption barrel 1 under the action of gravity. The drain pipe 5 installed on the side of the collecting barrel 2 is connected to the interior of the collecting barrel 2, and the inner bottom surface of the collecting barrel 2 is set as an inclined structure, so that the acid mist absorption liquid that absorbs the acid mist can be discharged from the collecting barrel 2 for recycling. A pipe cover is provided at the port of the drain pipe 5, which can be used to close the drain pipe 5;

[0026] Preferably, a heating seat 18 is installed on the inner bottom surface of the liquid storage barrel 11, and seven groups of heating tubes 19 are symmetrically installed on the top of the heating seat 18. The heating tubes 19 are located at the bottom of the liquid extraction tube 14. The heating seat 18 can heat the heating tubes 19, and then the acid mist absorption liquid inside the liquid storage barrel 11 is heated by the heating tubes 19, so that the acid mist absorption liquid has a higher absorption rate for the acid mist generated during the electroplating sludge leaching process.

[0027] The standard parts used in this embodiment can be purchased directly from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the components known to technical personnel in this field, their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0028] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. An acid mist absorption device for electroplating sludge leaching process, comprising an absorption barrel (1), a collecting barrel (2) is installed at the bottom of the absorption barrel (1), and a connecting ring (3) is installed at the top of the collecting barrel (2), characterized in that: The bottom of the collecting barrel (2) is provided with a bottom plate (4), the side of the collecting barrel (2) is provided with a drain pipe (5), the top of the absorbing barrel (1) is provided with a conical cover (6), the bottom of the conical cover (6) is provided with a fixing ring (7), the top of the conical cover (6) is provided with a connecting pipe (8), the outer side of the connecting pipe (8) is provided with a fixing plate (9), the side of the absorbing barrel (1) is provided with a mounting plate (10), the top of the mounting plate (10) is provided with a liquid storage barrel (11), the top of the liquid storage barrel (11) is provided with a sealing ring (9), and the bottom of the conical cover (6) is provided with a connecting pipe (8). A cover (12) is provided, a liquid supply pump (13) is installed on the top of the liquid storage barrel (11), a liquid extraction pipe (14) is installed on the bottom of the liquid supply pump (13), a liquid supply pipe (15) is installed on the top of the liquid supply pump (13), two groups of conduits (16) are connected to the side of the liquid supply pipe (15), and an atomizing plate (17) is connected to the side of the conduit (16), and the atomizing plate (17) is installed inside the absorption barrel (1), and a heating seat (18) is provided inside the liquid storage barrel (11), and a heating pipe (19) is installed on the heating seat (18).

2. The acid mist absorption device for electroplating sludge leaching process according to claim 1, characterized in that: A fixing ring (7) is installed on the outer side of the top of the absorption barrel (1) and the outer side of the bottom of the conical cover (6). The two sets of fixing rings (7) are fixedly connected by four sets of mutually symmetrical fixing bolts. The bottom of the absorption barrel (1) is provided with a connecting groove that matches the connecting ring (3) installed on the top of the collection barrel (2). The connecting ring (3) is installed therein. Six sets of fixing bolts are symmetrically installed on the lower end of the side of the absorption barrel (1). The fixing bolts pass through fixing holes opened at corresponding positions on the absorption barrel (1) and the connecting ring (3).

3. The acid mist absorption device for electroplating sludge leaching process according to claim 1, characterized in that: The bottom plate (4) is provided with fixing holes at the four corners, the top of the conical cover (6) is provided with a through groove, the connecting pipe (8) is inserted and installed therein, a fixing plate (9) installed outside the connecting pipe (8) and the connecting pipe (8) are fixedly connected, and the fixing plate (9) is fixedly connected to the top of the conical cover (6) through four groups of symmetrical fixing bolts.

4. The acid mist absorption device for electroplating sludge leaching process according to claim 1, characterized in that: The mounting plate (10) is mounted on the lower right side of the absorption barrel (1); the sealing cover (12) mounted on the top of the liquid storage barrel (11) is fixedly mounted on the top of the liquid storage barrel (11); the liquid storage barrel (11) stores a solution for absorbing acid mist generated during the electroplating sludge leaching process; a liquid injection pipe (20) is inserted and installed on the top of the sealing cover (12); the liquid injection pipe (20) passes through the sealing cover (12) and is connected to the internal space of the liquid storage barrel (11); a pipe cover is arranged on the top of the liquid injection pipe (20); a liquid extraction pipe (14) mounted on the bottom of the liquid supply pump (13) is arranged inside the liquid storage barrel (11); and the liquid supply pump (13) is provided with a liquid pump (14) disposed inside the liquid storage barrel (11). The left side of the liquid pipe (15) is connected to two groups of conduits (16), the two groups of conduits (16) pass through two groups of through grooves adapted to the absorption barrel (1) and extend into the interior of the absorption barrel (1), one end of the two groups of conduits (16) located inside the absorption barrel (1) is connected to an atomizing plate (17), the atomizing plate (17) is fixedly mounted on the inner wall of the absorption barrel (1), a plurality of groups of spray ports are arranged on the left side of the atomizing plate (17), the drain pipe (5) mounted on the side of the collection barrel (2) is connected to the interior of the collection barrel (2), the inner bottom surface of the collection barrel (2) is arranged as an inclined structure, and a pipe cover is arranged at the end of the drain pipe (5).

5. The acid mist absorption device for electroplating sludge leaching process according to claim 1, characterized in that: A heating seat (18) is installed on the inner bottom surface of the liquid storage barrel (11), and seven groups of heating tubes (19) are symmetrically installed on the top of the heating seat (18). The heating tubes (19) are located at the bottom of the liquid extraction tube (14).

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