Continuous neutralization reactor for acid-containing wastewater

Abstract

The utility model discloses an acid-containing waste water continuous neutralization reactor, including reaction tank, solid feeding subassembly, liquid import subassembly, the top of reaction tank is provided with solid inlet, the lower part of reaction tank is provided with liquid inlet, solid feeding subassembly includes feeding bin and solid discharger, liquid import subassembly includes liquid import subassembly, liquid import subassembly includes liquid import subassembly, liquid import subassembly includes liquid import subassembly. The feeding bin is connected with the solid inlet, and the solid discharger is arranged in the solid inlet, communicates with the feeding bin and is used for adjusting the feeding speed of the feeding bin; the liquid leading-in assembly comprises a waste liquid leading-in pipe and a liquid inlet distributor, one end of the waste liquid leading-in pipe extends into the reaction tank body through the liquid inlet, and the liquid inlet distributor is fixed to the end, located in the reaction tank body, of the waste liquid leading-in pipe and used for evenly distributing inlet water. The utility model overcomes the problems of strong on-site corrosivity, poor operation environment, high labor intensity and the like in the traditional neutralization reaction.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a continuous neutralization reactor for acid-containing wastewater. Background Art

[0002] Acidic wastewater is inevitable in daily chemical production processes. The treatment of acidic wastewater is carried out through neutralization process, especially when it comes to HCl-containing waste acid.

[0003] The existing treatment method is to neutralize it with calcium carbonate, and in the actual production process, it is often necessary to manually add calcium carbonate stones.

[0004] However, the problem is that it requires a lot of manual labor and generates dust. In addition, a large amount of carbon dioxide gas containing acid liquid will be generated during the treatment process. If it is not collected and discharged in an unorganized manner, it will cause serious pollution to the site and a poor production environment. Utility Model Content

[0005] The purpose of the utility model is to overcome the above technical deficiencies and propose a continuous neutralization reactor for acidic wastewater, which overcomes the problems of strong corrosion on site, poor operating environment, and high labor intensity in traditional neutralization reactions.

[0006] In order to achieve the above technical purpose, the present invention adopts the following technical solutions:

[0007] The utility model provides a continuous neutralization reactor for acid-containing wastewater, comprising:

[0008] A reaction tank body, wherein a solid inlet is provided at the top of the reaction tank body and a liquid inlet is provided at the bottom of the reaction tank body;

[0009] A solid feeding assembly, comprising a feeding bin and a solid feeder, wherein the feeding bin is connected to the solid inlet, and the solid feeder is disposed in the solid inlet and communicated with the feeding bin, and is used to adjust the feeding speed of the feeding bin; and

[0010] The liquid introduction component includes a waste liquid introduction pipe and a liquid inlet distributor. One end of the waste liquid introduction pipe extends into the reaction tank body through the liquid inlet. The liquid inlet distributor is fixed on one end of the waste liquid introduction pipe located in the reaction tank body to evenly distribute the incoming water.

[0011] In some embodiments, a gas outlet is provided on the top of the reaction tank body to discharge and collect the gas generated during the neutralization process.

[0012] In some embodiments, a temperature measuring port is provided on the top of the reaction tank body to monitor the temperature during the neutralization reaction.

[0013] In some embodiments, a refrigerant jacket is fixed on the outer wall of the reaction tank body, the interior of the refrigerant jacket is hollow, and a refrigerant inlet and a refrigerant outlet are opened on the refrigerant jacket.

[0014] In some embodiments, the solid feeding assembly further includes a weighing device, the feeding bin is fixed on the weighing device, the feeding bin is movably connected to the solid inlet, and the weighing device is used to detect the weight of the feeding bin.

[0015] In some embodiments, the liquid introduction component further includes a liquid flow meter, which is fixed on the waste liquid introduction pipe and is used to detect the flow rate of the waste liquid in the waste liquid introduction pipe.

[0016] In some embodiments, the liquid introduction assembly further includes a plurality of grid plates, wherein the plurality of grid plates are arranged in a horizontal direction, and a plurality of the grid plates are stacked in a vertical direction, and the grid plates are provided with a plurality of through holes.

[0017] In some embodiments, the apertures of the through holes on the grid plate gradually decrease from high to low in the reaction tank.

[0018] In some embodiments, a waste residue discharge outlet is also provided at the bottom of the reaction tank.

[0019] In some embodiments, a disc scraper is further included, which is fixed in the reaction tank body and located at the bottom of the reaction tank body, and is used to scrape off the waste residue at the bottom of the reaction tank body and discharge it from the waste residue discharge port.

[0020] Compared to the prior art, the present invention provides a continuous neutralization reactor for acidic wastewater, comprising a reaction tank, a solid feeding assembly, and a liquid introduction assembly. The top of the reaction tank is provided with a solid inlet, and the bottom of the reaction tank is provided with a liquid inlet. The solid feeding assembly includes a feeding bin connected to the solid inlet and a solid discharger, which is disposed within the solid inlet and communicates with the feeding bin for adjusting the feeding rate of the feeding bin. The liquid introduction assembly includes a waste liquid introduction pipe and a liquid distributor, one end of which extends into the reaction tank through the liquid inlet. The liquid distributor is fixed to one end of the waste liquid introduction pipe within the reaction tank for evenly distributing the incoming water. This invention overcomes the problems of traditional neutralization reactions, such as high corrosion, poor operating environment, and high labor intensity.

[0021] The above description is only an overview of the technical solution of the present invention. In order to enable a clearer understanding of the technical means of the present invention and to implement it according to the contents of the specification, the preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings. The specific implementation methods of the present invention are given in detail in the following embodiments and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of a continuous neutralization reactor for acid-containing wastewater provided by the utility model.

[0023] Description of reference numerals:

[0024] 1-reaction tank body, 11-solid inlet, 12-liquid inlet, 13-gas outlet, 14-temperature measuring port, 15-pressure measuring port, 16-refrigerant jacket, 17-waste residue outlet, 2-solid feeding assembly, 21-feeding bin, 22-solid feeder, 23-weigher, 3-liquid introduction assembly, 31-waste liquid introduction pipe, 32-liquid distributor, 33-liquid flow meter, 34-grid plate, 4-disc scraper. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] See also Figure 1 ; The utility model provides a continuous neutralization reactor for acid-containing wastewater, comprising: a reaction tank body 1, a solid feeding assembly 2, and a liquid introduction assembly 3. The top of the reaction tank body 1 is provided with a solid inlet 11, and the lower part of the reaction tank body 1 is provided with a liquid inlet 12. The solid feeding assembly 2 includes a feeding bin 21 and a solid discharger 22. The feeding bin 21 is connected to the solid inlet 11. The solid discharger 22 is arranged in the solid inlet 11 and communicated with the feeding bin 21 for adjusting the feeding speed of the feeding bin 21; the liquid introduction assembly 3 includes a waste liquid introduction pipe 31 and a liquid inlet distributor 32. One end of the waste liquid introduction pipe 31 extends into the reaction tank body 1 through the liquid inlet 12. The liquid inlet distributor 32 is fixed on one end of the waste liquid introduction pipe 31 located in the reaction tank body 1 for evenly distributing the incoming water.

[0027] The present invention provides a continuous neutralization reactor for acidic wastewater, comprising a reaction tank 1, a solid feeding assembly 2, and a liquid introduction assembly 3. The top of the reaction tank 1 is provided with a solid inlet 11, and the bottom of the reaction tank 1 is provided with a liquid inlet 12. The solid feeding assembly 2 includes a feeding bin 21 and a solid discharger 22. The feeding bin 21 is connected to the solid inlet 11. The solid discharger 22 is disposed within the solid inlet 11 and communicates with the feeding bin 21 for adjusting the feeding rate of the feeding bin 21. The liquid introduction assembly 3 includes a waste liquid introduction pipe 31 and a liquid inlet distributor 32. One end of the waste liquid introduction pipe 31 extends into the reaction tank 1 through the liquid inlet 12. The liquid inlet distributor 32 is fixed to one end of the waste liquid introduction pipe 31 located within the reaction tank 1 for uniformly distributing the incoming water. The present invention overcomes the problems of strong corrosion, poor operating environment, and high labor intensity in traditional neutralization reactions.

[0028] Specifically, a gas outlet 13 is provided on the top of the reaction tank body 1 to discharge and collect the gas generated during the neutralization process.

[0029] Specifically, a temperature measuring port 14 is provided on the top of the reaction tank body 1, which can monitor the temperature during the neutralization reaction, adjust the production process, and ensure production safety.

[0030] Specifically, a pressure measuring port 15 is provided on the top of the reaction tank body 1, which can monitor the pressure during the neutralization reaction, adjust the production process, and ensure production safety.

[0031] Specifically, a refrigerant jacket 16 is fixed to the outer wall of the reaction tank 1. The interior of the refrigerant jacket 16 is hollow and has a refrigerant inlet and a refrigerant outlet. During the neutralization reaction, refrigerant can be introduced into the refrigerant jacket 16 to cool the reaction tank 1 and ensure that the temperature of the reaction tank 1 is within a suitable range.

[0032] Furthermore, the solid feeding assembly 2 also includes a weighing device 23, the feeding bin 21 is fixed on the weighing device 23, the feeding bin 21 is movably connected to the solid inlet 11, and the weighing device 23 is used to detect the weight of the feeding bin 21 to calculate the input amount of solid material.

[0033] Furthermore, the liquid introduction component 3 further includes a liquid flow meter 33 , which is fixed on the waste liquid introduction pipe 31 and is used to detect the flow rate of the waste liquid in the waste liquid introduction pipe 31 .

[0034] Furthermore, the liquid introduction assembly 3 includes a plurality of grid plates 34. Several of the grid plates 34 are arranged horizontally, and a plurality of the grid plates 34 are stacked vertically. A plurality of through holes are formed on the grid plates 34. The function of the grid plates 34 is to reduce the falling speed of the solid material so that it can fully contact and react with the waste liquid.

[0035] Furthermore, the apertures of the through holes on the grid plate 34 gradually decrease from high to low in the reaction tank body 1 .

[0036] Furthermore, a waste residue discharge port 17 is provided at the bottom of the reaction tank body 1 .

[0037] Furthermore, the acid-containing wastewater continuous neutralization reactor also includes a disc scraper 4, which is fixed in the reaction tank body 1 and located at the bottom of the reaction tank body 1, and is used to scrape off the waste residue at the bottom of the reaction tank body 1 and discharge it from the waste residue discharge port 17.

[0038] The beneficial effects of the present invention are as follows: The present invention provides a continuous neutralization reactor for acidic wastewater, comprising a reaction tank body, a solid feeding assembly, and a liquid introduction assembly. The top of the reaction tank body is provided with a solid inlet, and the lower portion of the reaction tank body is provided with a liquid inlet. The solid feeding assembly comprises a feeding bin and a solid discharger, wherein the feeding bin is connected to the solid inlet, and the solid discharger is arranged in the solid inlet and communicated with the feeding bin for adjusting the feeding speed of the feeding bin. The liquid introduction assembly comprises a waste liquid introduction pipe and a liquid inlet distributor, wherein one end of the waste liquid introduction pipe extends into the reaction tank body through the liquid inlet, and the liquid inlet distributor is fixed to one end of the waste liquid introduction pipe located within the reaction tank body for uniformly distributing the incoming water. The present invention overcomes the problems of strong corrosion, poor operating environment, and high labor intensity in traditional neutralization reactions.

[0039] The specific embodiments of the present invention described above do not limit the scope of protection of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A continuous neutralization reactor for acidic wastewater, characterized in that: It includes: A reaction tank body, wherein a solid inlet is provided at the top of the reaction tank body and a liquid inlet is provided at the bottom of the reaction tank body; A solid feeding assembly includes a feeding bin and a solid feeder, wherein the feeding bin is connected to the solid inlet, and the solid feeder is arranged in the solid inlet and communicated with the feeding bin, and is used to adjust the feeding speed of the feeding bin; as well as The liquid introduction component includes a waste liquid introduction pipe and a liquid inlet distributor. One end of the waste liquid introduction pipe extends into the reaction tank body through the liquid inlet. The liquid inlet distributor is fixed on one end of the waste liquid introduction pipe located in the reaction tank body to evenly distribute the incoming water.

2. The continuous neutralization reactor for acidic wastewater according to claim 1, characterized in that: A gas outlet is provided on the top of the reaction tank body, which can be used to discharge and collect the gas generated during the neutralization process.

3. The continuous neutralization reactor for acidic wastewater according to claim 2, characterized in that: A temperature measuring port is provided on the top of the reaction tank body, which can monitor the temperature during the neutralization reaction.

4. The continuous neutralization reactor for acidic wastewater according to claim 2, characterized in that: A refrigerant jacket is fixed on the outer wall of the reaction tank body. The interior of the refrigerant jacket is hollow. A refrigerant inlet and a refrigerant outlet are provided on the refrigerant jacket.

5. The continuous neutralization reactor for acidic wastewater according to claim 1, characterized in that: The solid feeding assembly further includes a weighing device, the feeding bin is fixed on the weighing device, the feeding bin is movably connected to the solid inlet, and the weighing device is used to detect the weight of the feeding bin.

6. The continuous neutralization reactor for acidic wastewater according to claim 1, characterized in that: The liquid introduction component further includes a liquid flow meter, which is fixed on the waste liquid introduction pipe and is used to detect the flow rate of the waste liquid in the waste liquid introduction pipe.

7. The continuous neutralization reactor for acidic wastewater according to claim 1, characterized in that: The liquid introduction assembly further comprises a plurality of grid plates, wherein the plurality of grid plates are arranged in a horizontal direction and a plurality of grid plates are stacked in a vertical direction, and a plurality of through holes are formed on the grid plates.

8. The continuous neutralization reactor for acidic wastewater according to claim 7, characterized in that: The apertures of the through holes on the grid plate gradually decrease from high to low in the reaction tank.

9. The continuous neutralization reactor for acidic wastewater according to claim 1, characterized in that: The bottom of the reaction tank body is also provided with a waste residue discharge port.

10. The continuous neutralization reactor for acidic wastewater according to claim 9, characterized in that: It also includes a disc scraper, which is fixed in the reaction tank body and located at the bottom of the reaction tank body, and is used to scrape off the waste residue at the bottom of the reaction tank body and discharge it from the waste residue discharge port.

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