CN218121948U

CN218121948U - Waste water COD concentration detection device

Info

Publication number: CN218121948U
Application number: CN202222087141.4U
Authority: CN
Inventors: 杨玉龙; 刘海; 吴慧峰
Original assignee: Shanghai Peiyi New Material Technology Co ltd
Current assignee: Shanghai Peiyi New Material Technology Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-12-23
Anticipated expiration: 2032-08-09

Abstract

The utility model belongs to the technical field of waste water COD concentration detection, especially, be a waste water COD concentration detection device, including detection case and water tank, the lower surface of detection case and the upper surface rigid coupling of water tank, water tank inner wall's lower surface is equipped with back flush subassembly, from the pouring weight drives the drinking-water pipe dive under the effect of self gravity, dive suitable degree of depth after, the filter cartridge filters the organic matter that contains in the waste water, the floater filters, waste water passes through in the filtration pore gets into the filter cartridge, suction pump an extracts waste water through the drinking-water pipe, rotate arbitrary valve b, waste water passes through the drain pipe, in connecting pipe and the sampling pipe that the distributive pipe got into the sample pipe that corresponds with it, extract the waste water sample of the many different degree of depth, carry out COD concentration detection in putting into COD concentration detection equipment, contrast the waste water sample testing result of a plurality of depths, avoid the external disturbance influence to detect the structure, make the COD concentration testing result of this device more accurate.

Description

Waste water COD concentration detection device

Technical Field

The utility model belongs to the technical field of waste water COD concentration detection, concretely relates to waste water COD concentration detection device.

Background

Chemical Oxygen Demand (COD) is the amount of reducing substances to be oxidized in a water sample measured chemically. The oxygen equivalent of a substance (typically an organic substance) that can be oxidized by a strong oxidizing agent in wastewater, wastewater treatment plant effluent, and contaminated water. In the research of river pollution and the property of industrial wastewater and the operation management of wastewater treatment plants, it is an important and relatively fast-to-measure organic pollution parameter, often denoted by the symbol COD.

Waste water COD concentration uses COD concentration detection equipment to detect usually, nevertheless contains a large amount of organic matters in the waste water, leads to when the sample, and the organic matter can be attached to the inner wall of sampling tube, influences the normal sample of sampling tube, and when the sample, and the waste water of the different degree of depth of sample that usually can't be accurate carries out COD concentration detection to the waste water of the different degree of depth.

SUMMERY OF THE UTILITY MODEL

To solve the problems raised in the background art described above. The utility model provides a waste water COD concentration detection device.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a waste water COD concentration detection device, includes detection case and water tank, the lower surface of detection case and the upper surface rigid coupling of water tank, the lower surface of water tank inner wall is equipped with back flush subassembly, the left side of detection case inner wall lower surface is equipped with the sampling subassembly, the downside of detection case left surface is equipped with quantitative dive subassembly, the right side of detection case inner wall lower surface is equipped with COD concentration detection equipment, the left and right sides face of detection case inner wall respectively with the left and right sides face rigid coupling of rack, a plurality of holes of placing have been seted up to the upper surface of rack, the inner wall of placing the hole and the surface sliding connection of sampling tube, the lower surface laminating of sampling tube and rack inner wall, the right flank of detection case is articulated mutually with the right flank of chamber door, the back of chamber door and the front laminating of detection case.

Preferably, the sampling subassembly is including installing at the left suction pump an of detection box inner wall lower surface, suction pump an's the end of intaking is linked together with the one end of drinking-water pipe, the drainage end of suction pump an is linked together through the lower surface of drain pipe with the connecting pipe, the left and right sides face rigid coupling of connecting pipe respectively with the left and right sides face of detection box inner wall, the lower surface of connecting pipe is linked together with the one end of a plurality of distributive pipe respectively, valve b is installed in the front of distributive pipe, the position of distributive pipe is corresponding with the position of sampling tube.

Preferably, the subassembly is dived downwards to ration includes the storage rack with detection case left surface downside rigid coupling, the back mounted of storage rack has step motor, step motor's output shaft passes the bearing of storage rack back joint and the back rigid coupling of pivot and reelpipe roller, the front of reelpipe roller is rotated with the front of storage rack inner wall and is connected, the surface winding of drinking-water pipe is at the surface of reelpipe roller, the other end of reelpipe roller is linked together with the upper surface of filter cartridge, a plurality of filtration pores have been seted up to the surface of filter cartridge, the lower surface of filter cartridge and the upper surface rigid coupling of from the pouring weight, the shape of from the pouring weight is conical.

Preferably, the back flush assembly includes the suction pump b of installing at the water tank inner wall lower surface, the drainage end of drinking-water pipe b is linked together with the one end of flushing pipe, the other end of flushing pipe passes the lower surface of water tank inner wall and the upper surface of detection case respectively and is linked together with the surface of connecting pipe.

Preferably, the left side surface of the water tank is communicated with one end of the water inlet pipe, and the front surface of the water inlet pipe is provided with a valve a.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, it is rotatory to drive the reelpipe roller through step motor, the reelpipe roller is rotatory to drive the drinking-water pipe and moves down, the self-weight piece drives the drinking-water pipe under the effect of self gravity and dives, dive suitable degree of depth after, the filter cartridge is to the organic matter that contains in the waste water, the floater filters, waste water passes through the filtration pore and gets into in the filter cartridge, suction pump an extracts waste water through the drinking-water pipe, rotate arbitrary valve b, waste water passes through the drain pipe, connecting pipe and shunt get into the sampling pipe that corresponds with it, extract the waste water sample of the many different degree of depth, carry out COD concentration detection in putting into COD concentration detection equipment, contrast the waste water COD sample testing result of a plurality of degree of depth, avoid external disturbance influence to detect the structure, make the COD concentration detection result of this device more accurate.

The utility model discloses, water in the water tank is extracted through suction pump b passes through the flushing pipe and goes into the connecting pipe with the log raft in, wash connecting pipe and distributive pipe, the drain pipe that is linked together through with the connecting pipe simultaneously carries out the back flush to drain pipe and drinking-water pipe, water after washing is discharged through the one end that the drinking-water pipe is connected with the filter cartridge, carry out the back flush to the filtration pore on filter cartridge surface, avoid the organic matter that contains in the waste water to block up the filtration pore, the inner wall that the organic matter can be attached to the sampling tube has been solved, influence the problem of the normal sample of sampling tube.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a cross-sectional structure of the present invention;

fig. 3 is a schematic structural view of the present invention;

fig. 4 is a schematic structural view of the rear view in the present invention;

FIG. 5 is an enlarged schematic view of the structure at A of the present invention;

in the figure: 1. a detection box; 2. a water tank; 3. a water inlet pipe; 4. a valve a; 5. placing a rack; 6. placing holes; 7. a sampling tube;

a sampling component: 81. a water pump a; 82. a drain pipe; 83. a connecting pipe; 84. a water diversion pipe; 85. a valve b; 86. a water pumping pipe;

9. a COD concentration detection device;

quantitative submergence component: 101. a storage rack; 102. a pipe coiling roller; 103. a filter cartridge; 104. a self-weight block; 105. filtering holes; 106. a stepping motor;

11. a graduated scale;

a backwashing component: 121. a water pump b; 122. a flush tube;

13. and (4) a box door.

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 efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a waste water COD concentration detection device, includes detection case 1 and water tank 2, the lower surface of detection case 1 and the upper surface rigid coupling of water tank 2, the lower surface of 2 inner walls of water tank is equipped with back flush subassembly, the left side of 1 inner wall lower surface of detection case is equipped with the sampling subassembly, the downside of 1 left surface of detection case is equipped with ration dive subassembly, the right side of 1 inner wall lower surface of detection case is equipped with COD concentration detection equipment 9, the left and right sides face rigid coupling of 1 inner wall of detection case respectively with the left and right sides face rigid coupling of rack 5, a plurality of holes 6 of placing have been seted up to the upper surface of rack 5, place the inner wall of hole 6 and the surface sliding connection of sampling tube 7, the lower surface of sampling tube 7 and the lower surface laminating of 5 inner walls of rack, the right flank of detection case 1 is articulated mutually with the right flank of chamber door 13, the back of chamber door 13 and the front laminating of detection case 1.

Specifically, the sampling assembly is arranged to include a water suction pump a81 installed on the left side of the lower surface of the inner wall of the detection box 1, the water inlet end of the water suction pump a81 is communicated with one end of a water suction pipe 86, the water discharge end of the water suction pump a81 is communicated with the lower surface of a connecting pipe 83 through a water discharge pipe 82, the left side surface and the right side surface of the connecting pipe 83 are fixedly connected with the left side surface and the right side surface of the inner wall of the detection box 1 respectively, the lower surface of the connecting pipe 83 is communicated with one end of a plurality of water distribution pipes 84 respectively, valves b85 are installed on the front surfaces of the water distribution pipes 84, and the positions of the water distribution pipes 84 correspond to the positions of the sampling pipes 7;

the water suction pump a81 is started through an external power supply, the water suction pump a81 pumps wastewater through the water suction pipe 86, any valve b85 is rotated, the wastewater enters the corresponding sampling pipe 7 through the water discharge pipe 82, the connecting pipe 83 and the water distribution pipe 84, and the sampling pipe 7 stores a wastewater sample.

Specifically, the quantitative submergence component comprises a storage rack 101 fixedly connected with the lower side of the left side face of the detection box 1, a stepping motor 106 is installed on the back face of the storage rack 101, an output shaft of the stepping motor 106 penetrates through a bearing and a rotating shaft which are clamped on the back face of the storage rack 101 and fixedly connected with the back face of a pipe coiling roller 102, the front face of the pipe coiling roller 102 is rotatably connected with the front face of the inner wall of the storage rack 101, the outer surface of the water pumping pipe 86 is wound on the outer surface of the pipe coiling roller 102, the other end of the pipe coiling roller 102 is communicated with the upper surface of a filter box 103, a plurality of filter holes 105 are formed in the outer surface of the filter box 103, the lower surface of the filter box 103 is fixedly connected with the upper surface of a self-weight block 104, and the self-weight block 104 is conical;

step motor 106 starts to drive reelpipe roller 102 rotatory, reelpipe roller 102 is rotatory to drive drinking-water pipe 86 downstream, self-weight piece 104 drives drinking-water pipe 86 under the effect of self gravity and dives, after suitable degree of depth when dive, filter cartridge 103 is to the organic matter that contains in the waste water, the floater filters, waste water passes through filtration pore 105 and gets into in the filter cartridge 103, and then through self-weight piece 104 and drinking-water pipe 86, make this device can extract the waste water sample of the different degree of depth and detect, contrast the waste water COD sample testing result of a plurality of degree of depth, and then make the COD concentration test result of this device more accurate.

Specifically, the backwashing component comprises a water suction pump b121 arranged on the lower surface of the inner wall of the water tank 2, the water discharging end of the water suction pipe 86b is communicated with one end of a flushing pipe 122, and the other end of the flushing pipe 122 is communicated with the outer surface of the connecting pipe 83 by penetrating through the lower surface of the inner wall of the water tank 2 and the upper surface of the detection box 1 respectively;

the water suction pump b121 is started through an external power supply, the water in the water tank 2 is sucked by the water suction pump b121 and is discharged into the connecting pipe 83 through the flushing pipe 122, the connecting pipe 83 and the water distribution pipe 84 are flushed, meanwhile, the water discharge pipe 82 and the water suction pipe 86 are backwashed through the water discharge pipe 82 communicated with the connecting pipe 83, the flushed water is discharged through one end, connected with the filter box 103, of the water suction pipe 86, the filter holes 105 in the surface of the filter box 103 are backwashed, and organic matters in the wastewater are prevented from blocking the filter holes 105.

Specifically, the left side surface of the water tank 2 is communicated with one end of a water inlet pipe 3, and the front surface of the water inlet pipe 3 is provided with a valve a4;

by turning the valve a4 and opening the water inlet pipe 3, people can add water into the water tank 2 through the water inlet pipe 3 to supplement the water consumption.

Specifically, the outside surface of the water pumping pipe 86 is provided with a graduated scale 11;

through the graduated scale 11, people can observe the submergence depth of the water pumping pipe 86 driven by the self-weight block 104.

The utility model discloses a theory of operation and use flow:

the utility model, when in use;

the stepping motor 106 is started to drive the reel pipe roller 102 to rotate, the reel pipe roller 102 rotates to drive the water pumping pipe 86 to move downwards, the self-weight block 104 drives the water pumping pipe 86 to submerge under the action of self gravity, after submerging to a proper depth, the filter box 103 filters organic matters and floating matters contained in wastewater, the wastewater enters the filter box 103 through the filter hole 105, the water pumping pump a81 pumps the wastewater through the water pumping pipe 86, the optional valve b85 is rotated, and the wastewater enters the sampling pipe 7 corresponding to the water pumping pipe through the water drainage pipe 82, the connecting pipe 83 and the water distribution pipe 84;

extracting a plurality of wastewater samples with different depths, putting the wastewater samples into COD concentration detection equipment 9 for COD concentration detection, and comparing the detection results of the wastewater COD samples with the multiple depths to avoid external interference from influencing a detection structure;

after the detection is finished, the water in the water tank 2 is pumped by the water pump b121, the water is drained into the connecting pipe 83 through the flushing pipe 122, the connecting pipe 83 and the water dividing pipe 84 are flushed, meanwhile, the drain pipe 82 and the water pumping pipe 86 are backwashed through the drain pipe 82 communicated with the connecting pipe 83, the flushed water is drained through one end of the water pumping pipe 86 connected with the filter box 103, the filter holes 105 in the surface of the filter box 103 are backwashed, and organic matters in the wastewater are prevented from blocking the filter holes 105.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a waste water COD concentration detection device, includes detection case (1) and water tank (2), its characterized in that: the lower surface of detection case (1) and the upper surface rigid coupling of water tank (2), the lower surface of water tank (2) inner wall is equipped with back flush subassembly, the left side of detection case (1) inner wall lower surface is equipped with the sampling subassembly, the downside of detection case (1) left surface is equipped with the ration subassembly of diving down, the right side of detection case (1) inner wall lower surface is equipped with COD concentration detection equipment (9), the left and right sides face rigid coupling of detection case (1) inner wall respectively with the left and right sides face rigid coupling of rack (5), a plurality of holes (6) of placing have been seted up to the upper surface of rack (5), place the inner wall of hole (6) and the surface sliding connection of sampling tube (7), the lower surface of sampling tube (7) and the lower surface laminating of rack (5) inner wall, the right flank of detection case (1) is articulated mutually with the right flank of chamber door (13), the back of chamber door (13) and the front laminating of detection case (1).

2. The device for detecting the COD concentration in wastewater according to claim 1, is characterized in that: sampling subassembly is including installing at left suction pump a (81) of detection case (1) inner wall lower surface, the end of intaking of suction pump a (81) is linked together with the one end of drinking-water pipe (86), the drainage end of suction pump a (81) is linked together through the lower surface of drain pipe (82) and connecting pipe (83), the left and right sides face of connecting pipe (83) respectively with the left and right sides face rigid coupling of detection case (1) inner wall, the lower surface of connecting pipe (83) is linked together with the one end of a plurality of distributive pipe (84) respectively, valve b (85) are installed in the front of distributive pipe (84), the position of distributive pipe (84) is corresponding with the position of sampling pipe (7).

3. The COD concentration detection device of waste water according to claim 1, characterized in that: the ration subassembly of diving down includes storage rack (101) with detection case (1) left surface downside rigid coupling, the back mounted of storage rack (101) has step motor (106), the output shaft of step motor (106) passes the bearing of storage rack (101) back joint and the back rigid coupling of pivot and reelpipe roller (102), the front of reelpipe roller (102) is connected with the front rotation of storage rack (101) inner wall, and the surface winding of drinking-water pipe (86) is at the surface of reelpipe roller (102), the other end of reelpipe roller (102) is linked together with the upper surface of filter cartridge (103), a plurality of filtration pores (105) have been seted up to the surface of filter cartridge (103), the lower surface of filter cartridge (103) and the upper surface rigid coupling of dead weight piece (104), the shape of dead weight piece (104) is conical.

4. The COD concentration detection device of waste water according to claim 1, characterized in that: the back flush assembly comprises a water suction pump b (121) installed on the lower surface of the inner wall of the water tank (2), the water drainage end of a water suction pipe (86) b is communicated with one end of a flushing pipe (122), and the other end of the flushing pipe (122) penetrates through the lower surface of the inner wall of the water tank (2) and the upper surface of the detection box (1) respectively to be communicated with the outer surface of the connecting pipe (83).

5. The apparatus according to claim 4, wherein: the left side face of the water tank (2) is communicated with one end of the water inlet pipe (3), and the valve a (4) is installed on the front face of the water inlet pipe (3).

6. The apparatus according to claim 3, wherein: and a graduated scale (11) is arranged on the outer surface of the water pumping pipe (86).