CN212159653U - Seawater BOD on-line monitor by microbial film method - Google Patents
Seawater BOD on-line monitor by microbial film method Download PDFInfo
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- CN212159653U CN212159653U CN202020919699.2U CN202020919699U CN212159653U CN 212159653 U CN212159653 U CN 212159653U CN 202020919699 U CN202020919699 U CN 202020919699U CN 212159653 U CN212159653 U CN 212159653U
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Abstract
The microbial film method sea water BOD on-line monitoring appearance, belong to the water quality testing technical field, the problem of lacking a monitoring efficiency height among the prior art, response time is short, the microbial film method sea water BOD on-line monitoring appearance of stable performance is solved, this design bears the water bath with the box, set gradually into the water bath and draw water the case, microbial film reactor and drain tank, be provided with dissolved oxygen electrode in case and the drain tank respectively into, microbial film reactor is spiral glass tube structure, the microbial film adheres to the glass tube inner wall, the microbial film adsorbs by the microorganism in the sea water sewage, multiply, microbial film reactor reuse, need not to examine time measuring each time and all will cultivate the microbial film in spiral glass tube earlier, work efficiency is greatly improved, and overall structure is simple, easy dismounting, stable in structure, small, conveniently carry.
Description
Technical Field
The utility model belongs to the technical field of water quality testing, specifically relate to a microbial film method sea water BOD on-line monitoring appearance.
Background
Biochemical Oxygen Demand (BOD) represents the total amount of dissolved oxygen in water consumed by the oxidation and decomposition of organic matter in water by the biochemical action of microorganisms, and during its mineralization or gasification. BOD indirectly reflects the content of biologically oxidizable organic substances in water and is one of the essential indicators for sea water, surface water, domestic sewage and most industrial wastewater.
The existing literature retrieval finds that kuri and the like construct an immobilized complex functional bacterial colony capable of efficiently removing ammonia nitrogen and nitrite nitrogen in a culture water body through co-culture, and a biofilm method is adopted to manufacture a BOD biosensor microbial membrane. Zhang Yue, etc. selects a yeast strain with high osmotic pressure resistance as sensitive material, uses polyvinyl alcohol to embed the yeast strain, uses the dissolved oxygen electrode method as basis to make BOD sensor, and uses said sensor to measure a seawater standard sample within 15 min. A sample XHBOD01 seawater BOD photoconductive measuring instrument is developed at Xiamen university and the like, and the measuring instrument is based on an optical fiber microbial sensor and realizes the rapid and automatic measurement of the BOD of the seawater. The methods mainly use a microbial film sensor, and embed microbes cultured in a laboratory into a microbial film by a chemical or physical method, and have the main defects of small microbial count, single variety, low organic matter degradation efficiency, high selectivity and poor environmental adaptability.
The prior art lacks a seawater BOD on-line monitor with high monitoring efficiency, short response time and stable performance by a microbial membrane method.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem, designed microbial film method sea water BOD on-line monitoring appearance to the box bears the water bath, sets gradually into water tank, microbial film reactor and drain tank in the water bath, and overall structure is simple, easy operation, easy dismounting, convenient to carry.
The utility model discloses a technical scheme be, designed microbial film method sea water BOD on-line monitoring appearance, including box and the water intaking case, microbial film reactor and the drain box of level setting in the box in proper order, the output of the case of intaking be connected with the help of the input of microbial film reactor with the drain box, the input of the case of intaking form into the sea water input, the output of drain box form to the sea water discharge end, intake case and drain box in be provided with dissolved oxygen electrode respectively, the box bottom mounting be provided with the water bath, intake case, microbial film reactor and drain box set up and the water bath in.
The box be the rectangle structure, including preceding door plant, back door plant, upper plate, hypoplastron, left side board and right side board, preceding door plant and left side board, back door plant be articulated with the connected mode of right side board, left side board and right side board between the fixed baffle that is provided with, the box separate for monitoring chamber and equipment chamber with the help of the baffle, the water bath setting at the monitoring intracavity, the equipment intracavity be provided with power module.
The water bath be the rectangle structure and its upper end is provided with the opening, the opening part of water bath be provided with the sealed lid of opening looks adaptation, water bath, intake case and water drainage tank in all be provided with the float level gauge, sealed covering on be provided with the through-hole that supplies float level gauge signal output part to pass.
The water inlet tank is of a rectangular basin-shaped structure with an open upper part, the opening edge of the water inlet tank is provided with a flanging, the water inlet tank is fixed at the upper edge of the water bath pot by means of the lapping of the flanging of the opening of the water inlet tank and is sealed by means of a sealing cover, and the drainage tank is the same as the water inlet tank in structure and is symmetrically arranged on two sides of the inner cavity of the water bath pot.
The sealing cover on be provided with a plurality of through-holes that supply the hose to pass, the baffle on be provided with the peristaltic pump, the baffle on still be provided with the solenoid valve and be located the peristaltic pump lower extreme, peristaltic pump and solenoid valve between with the help of hose connection, peristaltic pump and solenoid valve with the help of the hose respectively with intake case, microbial film reactor and drainage tank connection.
The solenoid valve level set up and to have at least threely, including first solenoid valve, second solenoid valve, third solenoid valve, first solenoid valve one end be connected with the water sample pond, the other end is connected with the peristaltic pump, second solenoid valve one end be connected with microbial film reactor output, the other end is connected with the peristaltic pump, third solenoid valve one end be connected with the drain tank, the other end is connected with the peristaltic pump, the output of peristaltic pump respectively with intake case, drain tank and waste liquid pond and be connected, intake the case and be connected with microbial film reactor input.
The through hole on the sealing cover is provided with a Ruhr joint, and the hose is respectively communicated with the water inlet tank, the microbial membrane reactor and the water drainage tank by virtue of the Ruhr joint.
The utility model has the advantages that the seawater BOD on-line monitor by the microbial film method is designed, when in use, the cultured microbial membrane reactor is arranged in the box body and is connected with the Ruhr joint by the hose, when not used, the microbial membrane reactor is taken down and placed in a corresponding storage tank for storage, the microbial membrane reactor can be recycled, the microbial membrane is not required to be cultured in the spiral glass tube firstly when detection is carried out each time, the working efficiency is greatly improved, and overall structure is simple, easy dismounting, stable in structure, small, conveniently carry, and the water bath enables the temperature of sea water to reach the required temperature of detection fast and keep the constant temperature state, reduces the preheating time to the sea water, and intake box and drain tank setting are in the water bath, reduce the sea water that intake box and drain tank are interior and receive external environment's influence, reduce thermal loss.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic front view of the present invention;
fig. 3 is a schematic front sectional view of the present invention;
FIG. 4 is an enlarged view of A in FIG. 3;
fig. 5 is a schematic top sectional view of the present invention;
FIG. 6 is a schematic view of the structure of the water bath;
FIG. 7 is a schematic top view of the water bath;
FIG. 8 is a schematic view of the hose connections of the peristaltic pump, solenoid valve, water inlet tank, microbial membrane reactor and drain tank.
In the attached drawing, 1, a water inlet tank, 2, a microbial membrane reactor, 3, a drainage tank, 4, a dissolved oxygen electrode, 5, a water bath kettle, 6, a front door plate, 7, a rear door plate, 8, a left side plate, 9, a right side plate, 10, a partition plate, 11, a sealing cover, 12, a floater liquid level meter, 13, an outward flanging, 14, a peristaltic pump, 15, a first electromagnetic valve, 16, a second electromagnetic valve, 17 and a third electromagnetic valve.
Detailed Description
As shown in fig. 1-7, the utility model discloses a biofilm method sea water BOD on-line monitoring appearance, including the box and in proper order the level set up intake box 1, biofilm reactor 2 and drain box 3 in the box, intake box 1's output be connected with drain box 3's input with the help of biofilm reactor 2, intake box 1's input form to the sea water input, drain box 3's output form to the sea water discharge end, intake box 1 and drain box 3 in be provided with dissolved oxygen electrode 4 respectively, the box bottom mounting be provided with water bath 5, intake box 1, biofilm reactor 2 and drain box 3 set up and water bath 5 in.
A water bath 5 is carried by a box body, a water inlet tank 1, a microbial film reactor 2 and a water discharge tank 3 are sequentially arranged in the water bath 5, dissolved oxygen electrodes 4 are respectively arranged in the water inlet tank 1 and the water discharge tank 3, the microbial film reactor 2 is of a spiral glass tube structure, a microbial film is attached to the inner wall of the glass tube and is formed by adsorbing and multiplying microbes in seawater sewage, when using, will with cultivate the microbial membrane reactor 2 that accomplishes install in the box and with the help of the hose with luer connector connection can, when not using, take off microbial membrane reactor 2, put corresponding storage facilities and store, microbial membrane reactor 2 reuse, need not to examine at every turn all at first cultivate the microbial membrane in the spiral glass pipe, improved work efficiency greatly, overall structure is simple, easy dismounting, stable in structure, small, conveniently carry moreover.
As shown in fig. 1-7, the box body is of a rectangular structure and comprises a front door panel 6, a rear door panel 7, an upper plate, a lower plate, a left side plate 8 and a right side plate 9, the front door panel 6, the left side plate 8, the rear door panel 7 and the right side plate 9 are connected in a hinged mode, a partition plate 10 is fixedly arranged between the left side plate 8 and the right side plate 9, the box body is divided into a monitoring cavity and an equipment cavity by virtue of the partition plate 10, the water bath kettle 5 is arranged in the monitoring cavity, and a power supply module is arranged in the equipment cavity.
The box can be opened around and for the rectangle structure, can be more convenient carry out the dismouting to each part in the box, divide into monitoring chamber and equipment chamber with the inner chamber of box with the help of baffle 10, and the monitoring intracavity sets up water bath 5, and the equipment intracavity sets up power module, and overall mechanism distributes clearly and definitely, and the dismouting is more convenient, is provided with control panel and display on the preceding door plant 6 of box.
As shown in fig. 1-7, the water bath 5 is rectangular and has an opening at its upper end, a sealing cover 11 adapted to the opening is provided at the opening of the water bath 5, a float level gauge 12 is provided in each of the water bath 5, the water inlet tank 1 and the water discharge tank 3, and a through hole for the signal output end of the float level gauge 12 to pass through is provided on the sealing cover 11.
The water bath 5 is of a rectangular structure, the water bath 5, the water inlet tank 1 and the water drainage tank 3 are internally provided with the floater liquid level meter 12, the water bath 5 is sealed by the aid of the sealing cover 11, the floater liquid level meter 12 can transmit liquid level data to the control panel, and the water bath water level meter is simple in structure and convenient to assemble and disassemble.
As shown in fig. 1-7, the water inlet tank 1 is a rectangular basin-shaped structure with an open upper portion, the open edge of the water inlet tank 1 is provided with a flanging 13, the water inlet tank 1 is fixed on the upper edge of the water bath kettle 5 by means of the flanging 13 of the open upper portion in a lap joint manner and sealed by means of a sealing cover 11, and the drainage tank 3 is the same as the water inlet tank 1 in structure and symmetrically arranged on two sides of the inner cavity of the water bath kettle 5.
The water inlet tank 1 and the water discharge tank 3 are fixed in the water bath 5 by means of the lap joint of the opening flanging 13, the water inlet tank 1 and the water discharge tank 3 are convenient and quick to disassemble and assemble, the opening positions of the water inlet tank 1 and the water discharge tank 3 and the opening positions of the water bath 5 are located on the same horizontal plane, the sealing cover 11 seals the water bath 5, the sealing cover 11 is sealed for the water inlet tank 1 and the water discharge tank 3, the structure is simple, the cost is saved, and the water inlet tank is convenient to disassemble and assemble.
As shown in fig. 1 to 7, a plurality of through holes for allowing hoses to pass through are formed in the sealing cover 11, a peristaltic pump 14 is arranged on the partition plate 10, an electromagnetic valve is further arranged on the partition plate 10 and located at the lower end of the peristaltic pump 14, the peristaltic pump 14 and the electromagnetic valve are connected through hoses, and the peristaltic pump 14 and the electromagnetic valve are respectively connected with the water inlet tank 1, the microbial membrane reactor 2 and the water discharge tank 3 through hoses.
The through hole is formed in the sealing cover 11, the electromagnetic valve is arranged on the partition plate 10, the peristaltic pump 14 is connected with the Ruhr connector and the electromagnetic valve through the hoses, and the connection mode is simple, easy to assemble and disassemble and convenient to replace.
As shown in fig. 8, the number of the electromagnetic valves is at least three, and the electromagnetic valves include a first electromagnetic valve 15, a second electromagnetic valve 16 and a third electromagnetic valve 17, one end of the first electromagnetic valve 15 is connected with the water sample tank, the other end of the first electromagnetic valve is connected with the peristaltic pump 14, one end of the second electromagnetic valve 16 is connected with the output end of the microbial membrane reactor 2, the other end of the second electromagnetic valve is connected with the peristaltic pump 14, one end of the third electromagnetic valve 17 is connected with the drainage tank 3, the other end of the third electromagnetic valve is connected with the peristaltic pump 14, the output end of the peristaltic pump 14 is respectively connected with the water inlet tank 1, the drainage tank 3 and the waste liquid tank, and the water inlet tank 1 is.
The peristaltic pump 14 conveys the seawater in the water sample pool into the water inlet tank 1 through the first electromagnetic valve 15 by means of the hose, the seawater is conveyed into the microbial membrane reactor 2 from the water inlet tank 1 through the peristaltic pump 14, the seawater is conveyed into the water discharge tank 3 through the second electromagnetic valve 16 by the microbial membrane reactor, and the seawater is conveyed into the waste liquid pool through the third electromagnetic valve 17 by the water discharge tank 3.
As shown in fig. 1 to 7, the through hole of the sealing cover 11 is provided with a luer connector, and the hose is respectively communicated with the water inlet tank 1, the microbial membrane reactor 2 and the water discharge tank 3 by means of the luer connector.
Adopt luer to connect with the hose connection on the sealed lid 11, the connected mode is simple, convenient, easily operation, further guarantees the sea water temperature in the water bath 5, improves sealed effect of sealed lid 11, reduces thermal giving off, improves and detects the precision.
Claims (7)
1. The online monitor for seawater BOD by the microbial membrane method is characterized in that: including the box and in proper order the level set up case (1), microbial film reactor (2) and the drain tank (3) of intaking in the box, the output of case (1) of intaking be connected with the input of drain tank (3) with the help of microbial film reactor (2), the input of case (1) of intaking form into the sea water input, the output of drain tank (3) form into the sea water discharge end, case (1) and drain tank (3) of intaking in be provided with dissolved oxygen electrode (4) respectively, the box bottom mounting be provided with water bath (5), case (1), microbial film reactor (2) and drain tank (3) of intaking set up with water bath (5) in.
2. The microbial film method seawater BOD on-line monitor of claim 1, which is characterized in that: the box be the rectangle structure, including preceding door plant (6), back door plant (7), upper plate, hypoplastron, left side board (8) and right side board (9), preceding door plant (6) and left side board (8), back door plant (7) and the connected mode of right side board (9) be articulated, left side board (8) and right side board (9) between fixed baffle (10) that is provided with, the box separate for monitoring chamber and equipment chamber with the help of baffle (10), water bath kettle (5) set up at the monitoring intracavity, the equipment intracavity be provided with power module.
3. The microbial film method seawater BOD on-line monitor of claim 2, wherein: the water bath (5) be the rectangle structure and its upper end is provided with the opening, the opening part of water bath (5) be provided with sealed lid (11) of opening looks adaptation, water bath (5), intake box (1) and drainage tank (3) in all be provided with float level gauge (12), sealed lid (11) on be provided with the through-hole that supplies float level gauge (12) signal output part to pass.
4. The microbial film method seawater BOD on-line monitor of claim 3, which is characterized in that: the water inlet tank (1) is of a rectangular basin-shaped structure with an open upper portion, an opening edge of the water inlet tank (1) is provided with a flanging (13), the water inlet tank (1) is fixed at the upper edge of the water bath kettle (5) by means of the flanging (13) with the open opening in a lap joint mode and is sealed by means of a sealing cover (11), and the drainage tank (3) is the same as the water inlet tank (1) in structure and is symmetrically arranged on two sides of an inner cavity of the water bath kettle (5).
5. The microbial film method seawater BOD on-line monitor of claim 3, which is characterized in that: sealed lid (11) on be provided with a plurality of through-holes that supply the hose to pass, baffle (10) on be provided with peristaltic pump (14), baffle (10) on still be provided with the solenoid valve and be located peristaltic pump (14) lower extreme, peristaltic pump (14) and solenoid valve between with the help of hose connection, peristaltic pump (14) and solenoid valve with the help of the hose respectively with intake case (1), microbial membrane reactor (2) and drain tank (3) be connected.
6. The microbial film method seawater BOD on-line monitor of claim 5, which is characterized in that: the device is characterized in that the number of the electromagnetic valves is at least three, and the electromagnetic valves comprise a first electromagnetic valve (15), a second electromagnetic valve (16) and a third electromagnetic valve (17), one end of the first electromagnetic valve (15) is connected with a water sample tank, the other end of the first electromagnetic valve is connected with a peristaltic pump (14), one end of the second electromagnetic valve (16) is connected with the output end of the microbial membrane reactor (2), the other end of the second electromagnetic valve is connected with the peristaltic pump (14), one end of the third electromagnetic valve (17) is connected with a drainage box (3), the other end of the third electromagnetic valve is connected with the peristaltic pump (14), the output end of the peristaltic pump (14) is respectively connected with a water inlet box (1), the drainage box (3) and a waste liquid tank, and the water inlet box (1) is connected with.
7. The microbial film method seawater BOD on-line monitor of claim 6, which is characterized in that: the through hole on the sealing cover (11) is provided with a Ruhr joint, and the hose is respectively communicated with the water inlet tank (1), the microbial membrane reactor (2) and the water drainage tank (3) by virtue of the Ruhr joint.
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| CN202020919699.2U CN212159653U (en) | 2020-05-27 | 2020-05-27 | Seawater BOD on-line monitor by microbial film method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466311A (en) * | 2021-06-16 | 2021-10-01 | 五邑大学 | Seawater measurement method based on seawater in-situ culture microbial film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466311A (en) * | 2021-06-16 | 2021-10-01 | 五邑大学 | Seawater measurement method based on seawater in-situ culture microbial film |
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