CN211688437U

CN211688437U - Chemical industry waste water falls COD and uses acid-base adjusting device

Info

Publication number: CN211688437U
Application number: CN202020080184.8U
Authority: CN
Inventors: 陶文斌; 王成; 王可尧
Original assignee: Hebei Dapeng Medicine Chemical Co ltd
Current assignee: Hebei Dapeng Medicine Chemical Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-10-16
Anticipated expiration: 2030-01-15

Abstract

The utility model relates to the technical field of wastewater treatment, in particular to an acid-base adjusting device for chemical wastewater COD reduction; the acid liquor or alkali liquor can be fully mixed with the wastewater, the neutralization effect is better, and the PH regulation is more effective; the device comprises a box body, wherein a cavity is arranged in the box body, a water inlet pipe is arranged at the top end of the box body, an alkali liquor containing box and an acid liquor containing box are arranged at the right part of the bottom end of the box body, and a PH online monitoring device is arranged on the inner wall of the right end of the cavity; still include the jet pump, the three-way pipe, main pivot, left pivot, right pivot, two sets of bearing support, left bearing frame and right bearing frame, the bottom input of three-way pipe is provided with first ooff valve, the right-hand member input of three-way pipe is provided with the second ooff valve, be provided with the impeller in the main pivot, the left end of main pivot is fixed and is provided with first left umbelliform gear, the fixed first right umbelliform gear that is provided with of right-hand member of main pivot, all be provided with the stirring leaf of multiunit equipartition in left pivot and the right pivot.

Description

Chemical industry waste water falls COD and uses acid-base adjusting device

Technical Field

The utility model relates to a technical field of waste water treatment especially relates to a chemical industry waste water falls COD and uses acid-base adjusting device.

Background

As is well known, the acid-base adjusting device for reducing the COD of the chemical wastewater is an acid-base adjusting device for wastewater treatment, and is widely used in the field of wastewater treatment; the conventional acid-base adjusting device for reducing COD (chemical oxygen demand) in chemical wastewater comprises a box body, wherein a cavity is formed in the box body, a water inlet pipe is arranged at the top end of the box body, the output end of the water inlet pipe is communicated with the cavity, a water outlet pipe is arranged at the right end of the box body, the input end of the water outlet pipe is communicated with the cavity, an alkali liquor containing box and an acid liquor containing box are arranged at the right part of the bottom end of the box body, a first metering pump is arranged at the top end of the alkali liquor containing box, a second metering pump is arranged at the top end of the acid liquor containing box, the input end of the first metering pump extends into the alkali liquor containing box, the output end of the first metering pump extends into the cavity, the input end of the second metering pump; when the existing acid-base adjusting device for reducing COD in chemical wastewater is used, wastewater is introduced into a box body through a water inlet pipe, when a PH online device displays that the wastewater is acidic, a first metering pump is started, alkali liquor is quantitatively pumped in for neutralization, and when a PH online monitoring device displays that the wastewater is alkaline, a second metering pump is started, and acid liquor is quantitatively pumped in for neutralization; the acid-base adjusting device for COD reduction of the existing chemical wastewater is found in use, acid liquor and alkali liquor are pumped into the box body, and then the acid-base adjusting device is unevenly mixed with the wastewater, poor in neutralization effect and limited in use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a can be with acidizing fluid or alkali lye and waste water intensive mixing, neutralization effect is better, and PH adjusts more effectual chemical industry waste water and falls acid-base adjusting device for COD.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the device comprises a box body, wherein a cavity is arranged in the box body, a water inlet pipe is arranged at the top end of the box body, the output end of the water inlet pipe is communicated with the cavity, a water outlet pipe is arranged at the right end of the box body, the input end of the water outlet pipe is communicated with the cavity, an alkali liquor containing box and an acid liquor containing box are arranged at the right part of the bottom end of the box body, and a PH online monitoring device is arranged; the device comprises an injection pump, a three-way pipe, a main rotating shaft, a left rotating shaft, a right rotating shaft, two groups of bearing supports, a left bearing seat and a right bearing seat, wherein the output end of the injection pump is communicated with the input end of a water inlet pipe, the left end output end of the three-way pipe is communicated with the right end input end of the injection pump, the bottom end input end of the three-way pipe extends into an alkali liquor containing box from the top end of the alkali liquor containing box, the right end input end of the three-way pipe extends into an acid liquor containing box from the bottom end of the acid liquor containing box, the bottom end input end of the three-way pipe is provided with a first switch valve, the right end input end of the three-way pipe is provided with a second switch valve, the two groups of bearing supports are fixedly arranged on the inner wall of the top end of the cavity, the main rotating shaft is rotatably arranged on the two, the fixed first right umbelliform gear that is provided with of right-hand member of main pivot, left side bearing frame and right bearing frame all set up in the cavity, the fixed multiunit that is provided with is connected between left side bearing frame and right bearing frame and the cavity inner wall and props, the rotatable setting of left side pivot is on left bearing frame, the rotatable setting of right side pivot is on right bearing frame, the fixed left umbelliform gear that is provided with the second in top of left side pivot, the top of right side pivot is provided with the right umbelliform gear of second, first left umbelliform gear and the left umbelliform gear engagement of second, first right umbelliform gear and the right umbelliform gear engagement of second, all be provided with the stirring leaf of multiunit equipartition in left side pivot and the right pivot.

Preferably, the air blower further comprises an air blower and a perforated aeration pipe group, the air blower is fixedly arranged at the left part of the top end of the box body, the perforated aeration pipe group is fixedly arranged on the inner wall of the bottom end of the cavity, the output end of the air blower penetrates through the top end wall of the box body from the top end of the box body and is communicated with the input end of the perforated aeration pipe group, and the output end of the perforated aeration pipe group is provided with a plurality of groups of uniformly distributed air outlet holes.

Preferably, the output end of the left end of the three-way pipe is provided with a flow control valve.

Preferably, be provided with left standing groove and right standing groove on the bottom inner wall of cavity, be provided with left ball bearing in the standing groove of a left side, be provided with right ball bearing in the standing groove of the right side, the bottom of left pivot is inserted to left ball bearing in, left pivot and left ball bearing interference fit, the bottom of right pivot is inserted to right ball bearing in, right pivot and right ball bearing interference fit.

Preferably, the right parts of the top ends of the alkali liquor containing box and the acid liquor containing box are both provided with vent pipes.

Preferably, the front ends of the alkali liquor containing box and the acid liquor containing box are both provided with a visual observation port, and the visual observation ports are both provided with a transparent baffle.

(III) advantageous effects

Compared with the prior art, the utility model provides a chemical industry waste water falls COD and uses acid-base adjusting device possesses following beneficial effect: the acid-base adjusting device for reducing COD in the chemical wastewater is characterized in that wastewater enters through the top end input end of an injection pump, the wastewater flows out from the bottom end output end of the injection pump and enters into a cavity, negative pressure is formed at the right end input end of the injection pump, the wastewater in the cavity is monitored in real time through a PH online monitoring device, when the water quality is acidic, a first switch valve is opened, a second switch valve is closed, the alkaline liquor in an alkaline liquor containing box enters into the cavity under the action of negative pressure for neutralization, when the water quality is alkaline, the second switch valve is opened, the first switch valve is closed, the acid liquor in the acid liquor containing box enters into the cavity under the action of negative pressure for neutralization, the wastewater and the acid liquor or the alkaline liquor are preliminarily mixed under the action of the injection pump and then fall onto an impeller, the impeller rotates under the action of wastewater impact, and a main rotating shaft drives a first left umbrella-shaped gear and a first right umbrella-shaped gear to rotate, after the transmission of the second left umbrella-shaped gear and the second right umbrella-shaped gear, the left rotating shaft and the right rotating shaft rotate, so that the stirring blades mix liquid in the cavity, and the waste water and the acid liquor or the alkali liquor are uniformly mixed, thereby ensuring better neutralization effect and more effective PH regulation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic top view of the left and right bearing seats of the present invention;

FIG. 3 is a schematic view of the external front view of the present invention;

FIG. 4 is a schematic structural view of a perforated aeration pipe assembly of the present invention;

in the drawings, the reference numbers: 1. a box body; 2. a water inlet pipe; 3. a water outlet pipe; 4. an alkali liquor containing box; 5. a PH on-line monitoring device; 6. an injection pump; 7. a three-way pipe; 8. a main rotating shaft; 9. a left rotating shaft; 10. a right rotating shaft; 11. a bearing support; 12. a left bearing seat; 13. a right bearing seat; 14. a first on-off valve; 15. a second on-off valve; 16. an impeller; 17. a first left bevel gear; 18. a first right bevel gear; 19. connecting a support; 20. a second left bevel gear; 21. a second right bevel gear; 22. stirring blades; 23. a blower; 24. perforating an aeration pipe group; 25. an air outlet; 26. a flow control valve; 27. a left ball bearing; 28. a right ball bearing; 29. a breather pipe; 30. a visual viewing port; 31. acid liquor containing box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the acid-base adjusting device for chemical wastewater COD reduction of the present invention comprises a box body 1, a cavity is arranged in the box body 1, a water inlet pipe 2 is arranged at the top end of the box body 1, the output end of the water inlet pipe 2 is communicated with the cavity, a water outlet pipe 3 is arranged at the right end of the box body 1, the input end of the water outlet pipe 3 is communicated with the cavity, an alkali solution containing box 4 and an acid solution containing box 31 are arranged at the right part of the bottom end of the box body 1, and an online PH monitoring device 5 is arranged on the inner; the device also comprises an injection pump 6, a three-way pipe 7, a main rotating shaft 8, a left rotating shaft 9, a right rotating shaft 10, two groups of bearing supports 11, a left bearing seat 12 and a right bearing seat 13, wherein the output end of the injection pump 6 is communicated with the input end of the water inlet pipe 2, the left end output end of the three-way pipe 7 is communicated with the right end input end of the injection pump 6, the bottom end input end of the three-way pipe 7 extends into the alkali liquor containing box 4 from the top end of the alkali liquor containing box 4, the right end input end of the three-way pipe 7 extends into the acid liquor containing box 31 from the bottom end of the acid liquor containing box 31, the bottom end input end of the three-way pipe 7 is provided with a first switch valve 14, the right end input end of the three-way pipe 7 is provided with a second switch valve 15, the two groups of bearing supports 11 are fixedly arranged on the top end inner wall of the cavity, the main rotating shaft 8 is rotatably arranged on, a first right bevel gear 18 is fixedly arranged at the right end of the main rotating shaft 8, a left bearing seat 12 and a right bearing seat 13 are both arranged in the cavity, a plurality of groups of connecting supports 19 are fixedly arranged between the left bearing seat 12 and the inner wall of the cavity and between the right bearing seat 13 and the inner wall of the cavity, a left rotating shaft 9 is rotatably arranged on the left bearing seat 12, a right rotating shaft 10 is rotatably arranged on the right bearing seat 13, a second left bevel gear 20 is fixedly arranged at the top end of the left rotating shaft 9, a second right bevel gear 21 is arranged at the top end of the right rotating shaft 10, a first left bevel gear 17 is meshed with the second left bevel gear 20, the first right bevel gear 18 is meshed with the second right bevel gear 21, and a plurality of groups of uniformly distributed stirring blades 22 are respectively arranged on the left rotating shaft 9 and the right; waste water enters through the top end input end of the jet pump 6, the waste water flows out from the bottom end output end of the jet pump 6 and enters into the cavity, the right end input end of the jet pump 6 forms negative pressure, the waste water in the cavity is monitored in real time through the PH online monitoring device 5, when the water quality is acidic, the first switch valve 14 is opened, the second switch valve 15 is closed, alkali liquor in the alkali liquor containing box 4 enters into the cavity under the action of the negative pressure for neutralization, when the water quality is alkaline, the second switch valve 15 is opened, the first switch valve 14 is closed, acid liquor in the acid liquor containing box 31 enters into the cavity under the action of the negative pressure for neutralization, the waste water and the acid liquor or the alkali liquor are primarily mixed under the action of the jet pump 6 and then fall onto the impeller 16, the impeller 16 rotates under the action of waste water impact, and the main rotating shaft 8 drives the first left umbrella-shaped gear 17 and the first right umbrella-shaped gear 18 to rotate, after the transmission of the second left umbrella-shaped gear 20 and the second right umbrella-shaped gear 21, the left rotating shaft 9 and the right rotating shaft 10 rotate, so that the stirring blades 22 mix the liquid in the cavity, and the wastewater is uniformly mixed with acid liquor or alkali liquor, so that the neutralization effect is better, and the pH adjustment is more effective.

The utility model discloses an acid-base adjusting device for chemical wastewater COD reduction, further comprising an air blower 23 and a perforated aeration pipe group 24, wherein the air blower 23 is fixedly arranged at the left part of the top end of the box body 1, the perforated aeration pipe group 24 is fixedly arranged on the inner wall of the bottom end of the cavity, the output end of the air blower 23 passes through the top end wall of the box body 1 from the top end of the box body 1 and is communicated with the input end of the perforated aeration pipe group 24, and the output end of the perforated aeration pipe group 24 is provided with a plurality of groups of uniformly distributed air outlet; by starting the blower 23, the blower 23 blows fresh air into the perforated aeration pipe group 24 and into the bottom of the cavity through the air outlet 25, so that the precipitation and aggregation of solids in the wastewater on the inner wall of the bottom end of the cavity can be effectively reduced, the oxygen content in the wastewater can be increased, and better biochemical conditions are provided for subsequent sewage treatment.

The utility model relates to an acid-base adjusting device for reducing COD in chemical wastewater, the output end of the left end of a three-way pipe 7 is provided with a flow control valve 26; through the setting of flow control valve 26, can adjust the acidizing fluid or the alkaline solution flow that gets into jet pump 6 according to waste water flow and real-time supervision's pH value, play better pH control effect.

The utility model discloses an acid-base adjusting device for reducing COD in chemical wastewater, the inner wall of the bottom end of the cavity is provided with a left placing groove and a right placing groove, the left placing groove is internally provided with a left ball bearing 27, the right placing groove is internally provided with a right ball bearing 28, the bottom end of a left rotating shaft 9 is inserted into the left ball bearing 27, the left rotating shaft 9 and the left ball bearing 27 are in interference fit, the bottom end of a right rotating shaft 10 is inserted into the right ball bearing 28, and the right rotating shaft 10 and the right ball bearing 28 are in interference fit; through the arrangement of the left ball bearing 27 and the right ball bearing 28, the left rotating shaft 9 and the right rotating shaft 10 can be more stable in the rotating process and are not easy to shake.

In the acid-base adjusting device for reducing COD in chemical wastewater of the utility model, the right parts of the top ends of the alkali liquor containing box 4 and the acid liquor containing box 31 are both provided with the vent pipe 29; the air pressure in the acid liquor containing box 31 and the alkali liquor containing box 4 can be communicated with the atmosphere through the vent pipe 29, so that the alkali liquor or the acid liquor can be conveniently sucked out by the jet pump 6 under negative pressure.

In the acid-base adjusting device for reducing COD in chemical wastewater of the utility model, the front ends of the alkali liquor containing box 4 and the acid liquor containing box 31 are both provided with the visual observation port 30, and the visual observation port 30 is provided with the transparent baffle; the transparent baffle plate can be used for conveniently observing the residual conditions in the acid liquor containing box 31 and the alkali liquor containing box 4, and the residual conditions can be found and supplemented in time when the liquid level is lower.

When the device is used, wastewater enters through the top end input end of the jet pump 6, the wastewater flows out from the bottom end output end of the jet pump 6 and enters into the cavity, so that the negative pressure is formed at the right end input end of the jet pump 6, the wastewater in the cavity is monitored in real time through the PH online monitoring device 5, when the water quality is acidic, the first switch valve 14 is opened, the second switch valve 15 is closed, so that the alkali liquor in the alkali liquor containing box 4 enters into the cavity for neutralization under the action of the negative pressure, when the water quality is alkaline, the second switch valve 15 is opened, the first switch valve 14 is closed, so that the acid liquor in the acid liquor containing box 31 enters into the cavity for neutralization under the action of the negative pressure, the wastewater and the acid liquor or the alkali liquor are primarily mixed under the action of the jet pump 6 and then fall onto the impeller 16, so that the impeller 16 rotates under the action of wastewater impact, so that the main rotating shaft 8 drives the first left umbrella-shaped gear 17 and the first right umbrella-shaped, after the transmission of the second left umbrella-shaped gear 20 and the second right umbrella-shaped gear 21, the left rotating shaft 9 and the right rotating shaft 10 both rotate, so that the stirring blades 22 mix the liquid in the cavity, and the wastewater is uniformly mixed with acid liquor or alkali liquor, so that the neutralization effect is better, and the pH adjustment is more effective; by starting the blower 23, the blower 23 blows fresh air into the perforated aeration pipe group 24 and then into the bottom of the cavity through the air outlet 25, so that the precipitation and aggregation of solids in the wastewater on the inner wall of the bottom end of the cavity can be effectively reduced, the oxygen content in the wastewater can be increased, and better biochemical conditions are provided for the subsequent sewage treatment; through the arrangement of the flow control valve 26, the flow of the acid liquid or the alkali liquid entering the jet pump 6 can be adjusted according to the flow of the wastewater and the pH value monitored in real time, so that a better pH adjusting effect is achieved; through the arrangement of the left ball bearing 27 and the right ball bearing 28, the left rotating shaft 9 and the right rotating shaft 10 can be more stable in the rotating process and are not easy to shake; the air pressure in the acid liquor containing box 31 and the alkali liquor containing box 4 can be communicated with the atmosphere through the vent pipe 29, so that the alkali liquor or the acid liquor can be conveniently sucked out by the jet pump 6 under negative pressure; the transparent baffle plate can be used for conveniently observing the residual conditions in the acid liquor containing box 31 and the alkali liquor containing box 4, and the residual conditions can be found and supplemented in time when the liquid level is lower.

The utility model discloses a chemical industry waste water falls COD and uses acid-base adjusting device, PH on-line monitoring device and air-blower all purchase to PH on-line monitoring device and air-blower all carry out the electricity through the instruction manual of buying together and connect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An acid-base adjusting device for chemical wastewater COD reduction comprises a box body (1), wherein a cavity is arranged in the box body (1), a water inlet pipe (2) is arranged at the top end of the box body (1), the output end of the water inlet pipe (2) is communicated with the cavity, a water outlet pipe (3) is arranged at the right end of the box body (1), the input end of the water outlet pipe (3) is communicated with the cavity, an alkali liquor containing box (4) and an acid liquor containing box (31) are arranged at the right part of the bottom end of the box body (1), and an online PH monitoring device (5) is arranged on the inner; the device is characterized by further comprising an injection pump (6), a three-way pipe (7), a main rotating shaft (8), a left rotating shaft (9), a right rotating shaft (10), two groups of bearing supports (11), a left bearing seat (12) and a right bearing seat (13), wherein the output end of the injection pump (6) is communicated with the input end of a water inlet pipe (2), the left end output end of the three-way pipe (7) is communicated with the right end input end of the injection pump (6), the bottom end input end of the three-way pipe (7) extends into the alkali liquor containing box (4) from the top end of the alkali liquor containing box (4), the right end input end of the three-way pipe (7) extends into the acid liquor containing box (31) from the bottom end of the acid liquor containing box (31), the bottom end input end of the three-way pipe (7) is provided with a first switch valve (14), the right end input end of the three-way pipe (7) is provided with a, the two groups of bearing supports (11) are fixedly arranged on the inner wall of the top end of the cavity, the main rotating shaft (8) is rotatably arranged on the two groups of bearing supports (11), an impeller (16) is arranged on the main rotating shaft (8), a first left umbrella-shaped gear (17) is fixedly arranged at the left end of the main rotating shaft (8), a first right umbrella-shaped gear (18) is fixedly arranged at the right end of the main rotating shaft (8), the left bearing seat (12) and the right bearing seat (13) are both arranged in the cavity, a plurality of groups of connecting supports (19) are fixedly arranged between the left bearing seat (12) and the cavity inner wall and between the right bearing seat (13) and the cavity inner wall, the left rotating shaft (9) is rotatably arranged on the left bearing seat (12), the right rotating shaft (10) is rotatably arranged on the right bearing seat (13), a second left umbrella-shaped gear (20) is fixedly arranged at the, the top of right side pivot (10) is provided with second right umbrella form gear (21), first left umbrella form gear (17) and the meshing of second left umbrella form gear (20), first right umbrella form gear (18) and the meshing of second right umbrella form gear (21), all be provided with stirring leaf (22) of multiunit equipartition on left side pivot (9) and right pivot (10).

2. The acid-base adjusting device for reducing COD in chemical wastewater according to claim 1, further comprising an air blower (23) and a perforated aeration pipe set (24), wherein the air blower (23) is fixedly arranged at the left part of the top end of the tank body (1), the perforated aeration pipe set (24) is fixedly arranged on the inner wall of the bottom end of the cavity, the output end of the air blower (23) penetrates through the top end wall of the tank body (1) from the top end of the tank body (1) and is communicated with the input end of the perforated aeration pipe set (24), and the output end of the perforated aeration pipe set (24) is provided with a plurality of groups of uniformly distributed air outlet holes (25).

3. The acid-base adjusting device for reducing COD in chemical wastewater according to claim 2, wherein the output end of the left end of the three-way pipe (7) is provided with a flow control valve (26).

4. The acid-base adjusting device for reducing COD in chemical wastewater according to claim 3, wherein a left placing groove and a right placing groove are arranged on the inner wall of the bottom end of the cavity, a left ball bearing (27) is arranged in the left placing groove, a right ball bearing (28) is arranged in the right placing groove, the bottom end of the left rotating shaft (9) is inserted into the left ball bearing (27), the left rotating shaft (9) and the left ball bearing (27) are in interference fit, the bottom end of the right rotating shaft (10) is inserted into the right ball bearing (28), and the right rotating shaft (10) and the right ball bearing (28) are in interference fit.

5. The acid-base adjusting device for reducing COD in chemical wastewater according to claim 4, wherein the top right parts of the alkali liquor containing tank (4) and the acid liquor containing tank (31) are provided with vent pipes (29).

6. The acid-base adjusting device for reducing COD in chemical wastewater according to claim 5, wherein the front ends of the alkali liquor containing box (4) and the acid liquor containing box (31) are respectively provided with a visual observation port (30), and the visual observation ports (30) are respectively provided with a transparent baffle.