CN207456920U - A kind of COD measuring instruments of digestion device and the application digestion device - Google Patents
A kind of COD measuring instruments of digestion device and the application digestion device Download PDFInfo
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- CN207456920U CN207456920U CN201721384278.9U CN201721384278U CN207456920U CN 207456920 U CN207456920 U CN 207456920U CN 201721384278 U CN201721384278 U CN 201721384278U CN 207456920 U CN207456920 U CN 207456920U
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Abstract
The utility model discloses the COD measuring instruments of a kind of digestion device and the application digestion device, belong to liquid measure, it is intended to provide a kind of digestion device for being automatically closed when can be more than assigned temperature, its key points of the technical solution are that liquid to be cleared up enters digestion device by digestion tube upper end, heating unit starts, the heater strip heating being wrapped on digestion tube, liquid to be cleared up is heated.The light counter of both sides can test out the different materials such as the chromium manganese potassium contained in liquid, transfer data to PCL controllers.If during the too high influence test result that temperature rises, the active layers of bimetal leaf force passive layer conductor 801 part to bend, and passive layer contradicts conductors, and switch receives signal, are transferred to PLC controller, while PLC controller control heater stop work.The utility model is suitable for COD measuring instruments.
Description
Technical field
The utility model is related to digestion instrument, the COD measuring instruments of more particularly to a kind of digestion device and the application digestion device.
Background technology
The effect of digestion device generally use heating in COD measuring instruments, is heated to 175 ° or so by quantity of fluid to be measured, passes through
Color judges the value of contained COD in water.
Notification number is that the Chinese patent of CN201697828U discloses a kind of monitoring water quality on line analyzer resolution reaction dress
It puts, it has digestion pool and the heating unit being located at outside digestion pool, it further includes cylindric protecting crust, on protecting crust top
Equipped with relief valve and solenoid valve, which is arranged in protecting crust, is clear tubular structure, the digestion pool top and relief valve
It is connected with solenoid valve.
Although this monitoring water quality on line analyzer resolution reaction unit addition reagent is convenient and efficient, testing result accurately may be used
It leans on, but if there is no device that can block heating unit if heating overheat, it would be highly desirable to solve.
Utility model content
First purpose of the utility model is to provide the COD measuring instruments of a kind of digestion device and the application digestion device, has and adds
Bimetal leaf bending starting switch is had if heat overheat and blocks heating unit.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of digestion device, including heating unit, framework, light counter, heater strip and transfer tube；The framework length direction
Threaded one end, which is connected with, tightens nut, and the other end is fixedly connected with fixed seat；Described tighten is communicated between nut and fixed seat
Digestion tube, the digestion tube both ends are communicated with transfer tube；
The framework length direction both sides are fixedly connected with photoelectricity seat, and the photoelectricity seat is provided with to be adapted with light counter
Photometry measuring tank, the light counter is fixed in photometry measuring tank, along its length direction through there is court among the photoelectricity seat
To the through hole of digestion tube；
The heating unit connects heater strip, and the heater strip is around on digestion tube, anti-containing chemistry in the digestion tube
Answer substance；
Framework direction is provided with bimetal leaf on the digestion tube, the bimetal leaf is pasted by active layers and passive layer
It closes and forms, the active layers are fixedly connected with passive layer both ends, and the active layers are bonded digestion tube, and the bimetal leaf is in framework
On be relatively set with conductors, the conductors are electrically connected with switch, and the switch is electrically connected active layers, the heating dress
It puts, light counter and switch connection control system, control system and external power supply are electrically connected.
By using above-mentioned technical proposal, liquid to be cleared up is imported into digestion tube upper end and enters digestion device, heating unit opens
Heater strip heating that is dynamic, being wrapped on digestion tube, liquid to be cleared up is heated, the chemical substance contained in quantity of fluid to be measured and change
Reactive material synthesis is learned, different colours are generated by heating.The light counter of both sides can test out liquid by different colours
In the different materials such as the chromium manganese potassium that contains, and transfer data to PCL controllers.If the too Gao Ying that temperature rises in digestion tube
When ringing test result, the active layers of bimetal leaf force passive layer conductor 801 part to bend, and passive layer contradicts conductors, and switch receives
Signal is transferred to PLC controller, while PLC controller control heater stop work.
Further, the framework lower end is Openworks shape, and Cone Disc, the Cone Disc are fixedly connected with below the framework
A diameter of framework lower end rectangle longer sides length；
Under, the Cone Disc inside lower end is set there are two opposite metal sensing protrusion in the Cone Disc direction,
The metal sensing protrusion is electrically connected with alarm, and the alarm is connected to control system.
By using above-mentioned technical proposal, if digestion device reveals quantity of fluid to be measured, quantity of fluid to be measured instills lower end
In Cone Disc, for the opposite metal sensing protrusion in Cone Disc lower end two because fluid connection to be measured, alarm sends alarm.
Further, the conductors are hemispherical.
By using above-mentioned technical proposal, semicircular conductor can allow the passive layer of bimetal leaf preferably to contradict, and make whole
A device is more sensitive.
Further, the digestion tube and tighten seal washer is both provided between nut and fixed seat.
By using above-mentioned technical proposal, seal washer can effectively reduce quantity of fluid to be measured from digestion tube and tighten nut
The possibility flowed out in gap between fixed seat.
Further, the transfer tube is arranged with protective case.
By using above-mentioned technical proposal, protective cover can protect transfer tube to be not easy by foreign object damage or partition first,
It followed by plays reduction operating personnel and encounters the possibility that transfer tube is burned.
Further, the protective case is made of heat-resisting material.
By using above-mentioned technical proposal, heat-resisting material can be reduced effectively because caused by the high temperature of transfer tube
Deformation.
Further, the control system is PLC controller.
By using above-mentioned technical proposal, the powerful processing capacity of PLC control system can undertake effective control and wriggle
Pump rotates forward reversion, the measurement data of meter, the analysis data of digestion instrument, reduces the possibility for mistake occur.
Second purpose of the utility model is to provide a kind of COD measuring instruments, has the effect that can detect COD value.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of COD measuring instruments, including liquid taking device, liquid absorption device, control system and metering device, the liquid taking device connects
Lead to quantity of fluid to be measured, the metering device connects liquid taking device, and the liquid absorption device is communicated to metering device, the liquid absorption device
Digestion device is connected, the digestion device, metering device, liquid absorption device and liquid taking device are all connected to control system.
By using above-mentioned technical proposal, liquid absorption device rotation can generate suction and liquid taking device is acted on, liquid taking device
Liquid to be measured is drawn, liquid is imported into metering device, then the number by metering device metering liquid, then will be measured
The liquid of volume pollution sources different in importing COD measuring instrument digestion instruments, decomposed liq, light counter will survey measured number
According to PLC controller is transferred to, the data of analysis are spread out of finally by PLC controller, achieve the purpose that COD is detected.
Further, the liquid taking device is multiple-way valve.
By using above-mentioned technical proposal, there can be multiple siphunculus to be inserted into liquid to be measured, measure the liquid of different proportion
Body is saved and replaces the time with measurement liquid, time saving and energy saving.
Further, the liquid absorption device is peristaltic pump.
By using above-mentioned technical proposal, peristaltic pump can be by rotating and reverse to control more siphunculus of multiple-way valve to draw
The effect of different liquids.
In conclusion the utility model has the advantages that：
1. heating unit and heater strip are employed, so as to generate the effect that can heat quantity of fluid to be measured；
2. employing bimetal leaf, conductors and switch, the effect of heating can be being blocked when the temperature is excessively high so as to generate；
3. Cone Disc, metal sensing protrusion and alarm are employed, it can be in the case of digestion device leak so as to generate
Send the effect of alarm.
Description of the drawings
Fig. 1 is to be used to embody whole structure diagram in the present embodiment；
Fig. 2 is the structure diagram for being used to embody digestion device in the present embodiment；
Fig. 3 is the enlarged diagram at A in Fig. 2；
Fig. 4 is the structure diagram after digestion device decomposition in the present embodiment；
Fig. 5 is the structure diagram for being used to embody Cone Disc in the present embodiment.
In figure, 1, framework；11st, nut is tightened；111st, through hole；12nd, fixed seat；2nd, heating unit；21st, heater strip；3rd, light
Meter；31st, photoelectricity seat；32nd, photometry measuring tank；4th, digestion tube；41st, transfer tube；42nd, protective case；43rd, seal washer；5th, double gold
Belong to piece；51st, active layers；52nd, passive layer；53rd, conductors；54th, switch；6th, Cone Disc；61st, metal sensing protrusion；62nd, alarm
Device；7th, liquid taking device；8th, liquid absorption device；9th, control system；10th, metering device.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", " interior " and
" outer " is referred respectively to towards or away from the direction of particular elements geometric center.
The COD measuring instruments of a kind of digestion device and the application digestion device, as shown in Figure 1, including digestion device, liquid taking device 7, meter
Measure device 10 and liquid absorption device 8.Liquid taking device 7 connects and draws quantity of fluid to be measured, and liquid taking device 7 connects metering device 10, will
The liquid meter volume of absorption, metering device 10 connect liquid absorption device 8, and liquid absorption device 8 generates suction force to liquid taking device 7, inhales
Liquid device 8 is communicated to digestion device, and digestion device is communicated to liquid taking device 7 and completes Xun Huan.In the present embodiment, liquid taking device 7 is more
Port valve, liquid absorption device 8 are peristaltic pump.
As shown in Fig. 2, digestion device includes heating unit 2, heater strip 21, framework 1, transfer tube 41 and light counter 3.Framework
1 width threaded one end, which is connected with, tightens nut 11, and the other end is fixedly connected with fixed seat 12.
As shown in figure 4, tightening nut 11 is provided with through hole 111, for importing liquid to be cleared up.In fixed seat 12 and tighten
The place that digestion tube 4, digestion tube 4 and fixed seat 12 are provided between nut 11 and tightens the conflict of nut 11 is provided with seal washer
43.Lower end connects transfer tube 41 in digestion tube 4（It is separated in figure）, transfer tube 41 is arranged with protective case 42, protective case 42
It is made of heat-resisting material, reduces the possibility of the liquid scald staff of heated rear transmission out.
As shown in Fig. 2, the both sides of 1 length direction of framework are equipped with photoelectricity seat 31, photoelectricity seat 31 is provided with and light counter 3
The photometry measuring tank 32 being adapted, light counter 3 are positioned over photometry measuring tank 32, can measure the liquid in digestion tube 4.
As shown in Fig. 2, heating unit 2 is arranged on 1 lower end inside of framework, heating unit 2 connects heater strip 21, heater strip 21
It is wound on digestion tube 4.
As shown in figure 3, being provided with bimetal leaf 5 towards 1 one side of framework on digestion tube 4, bimetal leaf 5 includes mutually being affixed
It closes active layers 51 and passive layer 52, active layers 51 is fixedly connected with 52 both ends of passive layer.The active layers 51 of bimetal leaf 5 are fitted in
On digestion tube 4, shape is provided with as semicircular conductors 53 in 1 bimetal leaf of framework, 5 relative position, conductors 53 electrically connect
Switch 54 is connected to, Simultaneous Switching 54 is also connected with bimetal leaf 5.When heated, active layers 51 drive passive layer 52 to be bent outwardly, passively
Layer 52 contradicts conductors 53, and switch 54 is triggered.
As shown in figure 5,1 lower end of framework is Openworks shape, the lower section of framework 1 is fixedly connected with Cone Disc 6, the point of Cone Disc 6
End is downward.The length of the 1 lower face rectangle longer sides of a diameter of framework of Cone Disc 6, and set in 6 inside lower end of Cone Disc
There are two opposite metal sensing protrusion 61, two metal sensing protrusions 61 are electrically connected with alarm 62.
As shown in Figure 1, heating unit 2, light counter 3, switch 54 and alarm 62 are electrically connected with control system 9,
In the present embodiment, control system 9 is PLC controller.
Specific embodiment：Liquid taking device 7 draws quantity of fluid to be measured, and volume, Ran Houzai are calculated by metering device 10
Digestion device is entered by 4 upper end of digestion tube, heating unit 2 starts, and the heater strip 21 being wrapped on digestion tube 4 heats, and will wait to disappear
Solution liquid after the chemical reaction substance synthesis in digestion tube 4 with heating, and liquid to be cleared up shows different colours, according to different face
Color, the light counter 3 of both sides can test out the different materials such as the chromium manganese potassium contained in liquid, transfer data to PLC controls
Device.If during the too high influence test result that temperature rises, the active layers 51 of bimetal leaf 5 force 52 conductor 801 part 53 of passive layer curved
Song, passive layer 52 contradict conductors 53, and switch 54 receives signal, are transferred to PLC controller, while PLC controller control heating
Device 2 is stopped.If digestion device reveals quantity of fluid to be measured, quantity of fluid to be measured is instilled in the Cone Disc 6 of lower end, Cone Disc 6
For the opposite metal sensing protrusion 61 in lower end two because fluid connection to be measured, alarm 62 sends alarm.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (10)
1. a kind of digestion device, including heating unit (2), it is characterized in that：Including framework (1), light counter (3), heater strip (21)
With transfer tube (41)；Framework (1) the length direction threaded one end, which is connected with, tightens nut (11), and the other end is fixedly connected with
Reservation (12)；Described tighten is communicated with digestion tube (4) between nut (11) and fixed seat (12), digestion tube (4) both ends connect
It is connected with transfer tube (41)；
Framework (1) the length direction both sides are fixedly connected with photoelectricity seat (31), and the photoelectricity seat (31) is provided with and light metering
The photometry measuring tank (32) that device (3) is adapted, the light counter (3) are fixed in photometry measuring tank (32), the photoelectricity seat (31)
Centre runs through the through hole having towards digestion tube (4) along its length direction；
Heating unit (2) the connection heater strip (21), the heater strip (21) are around on digestion tube (4), the digestion tube（4）
Inside contain chemical reaction substance；
Framework (1) direction is provided with bimetal leaf (5) on the digestion tube (4), the bimetal leaf (5) is by active layers
(51) formed with passive layer (52) fitting, the active layers (51) are fixedly connected with passive layer (52) both ends, the active layers
(51) digestion tube (4) is bonded, the bimetal leaf (5) is relatively set with conductors (53), the conductors in framework (1)
(53) switch (54) is electrically connected with, the switch (54) is electrically connected active layers (51), the heating unit (2), light metering
Device (3) and switch (54) connection control system (9), control system (9) and external power supply are electrically connected.
2. a kind of digestion device according to claim 1, it is characterized in that：Framework (1) lower end be Openworks shape, the framework
(1) lower section is fixedly connected with Cone Disc (6), the length of a diameter of framework (1) lower end rectangle longer sides of the Cone Disc (6)
Degree；
Under, Cone Disc (6) inside lower end sets there are two opposite metals to sense protrusion in Cone Disc (6) direction
(61), the metal sensing raised (61) is electrically connected with alarm (62), and the alarm (62) is connected to control system
(9)。
3. a kind of digestion device according to claim 1, it is characterized in that：The conductors (53) are hemispherical.
4. a kind of digestion device according to claim 1, it is characterized in that：The digestion tube (4) is with tightening nut (11) and consolidating
Seal washer (43) is both provided between reservation (12).
5. a kind of digestion device according to claim 1, it is characterized in that：Protective case is arranged with outside the transfer tube (41)
(42)。
6. a kind of digestion device according to claim 5, it is characterized in that：The protective case (42) is made of heat-resisting material.
7. a kind of digestion device according to claim 1, it is characterized in that：The control system (9) is PLC controller.
8. a kind of COD measuring instruments, it is characterized in that：Including any one digestion device in claim 1 to 7, liquid taking device is further included
(7), liquid absorption device (8), control system (9) and metering device (10), the liquid taking device (7) connects quantity of fluid to be measured, described
Metering device (10) connection liquid taking device (7), the liquid absorption device (8) are communicated to metering device (10), the liquid absorption device (8)
Digestion device is connected, the digestion device, metering device (10), liquid absorption device (8) and liquid taking device (7) are all connected to control system
(9)。
9. a kind of COD measuring instruments according to claim 8, it is characterized in that：The liquid taking device (7) is multiple-way valve.
10. a kind of COD measuring instruments according to claim 8, it is characterized in that：The liquid absorption device (8) is peristaltic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721384278.9U CN207456920U (en) | 2017-10-24 | 2017-10-24 | A kind of COD measuring instruments of digestion device and the application digestion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721384278.9U CN207456920U (en) | 2017-10-24 | 2017-10-24 | A kind of COD measuring instruments of digestion device and the application digestion device |
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| Publication Number | Publication Date |
|---|---|
| CN207456920U true CN207456920U (en) | 2018-06-05 |
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ID=62281702
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721384278.9U Active CN207456920U (en) | 2017-10-24 | 2017-10-24 | A kind of COD measuring instruments of digestion device and the application digestion device |
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| CN (1) | CN207456920U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116043A (en) * | 2018-09-17 | 2019-01-01 | 沈阳汉威科技有限公司 | Monitoring water quality on line equipment and control method based on programmable controller |
| CN109883812A (en) * | 2019-04-10 | 2019-06-14 | 江苏聚聪环境技术有限公司 | Clear up pipe device |
| CN112461638A (en) * | 2021-01-13 | 2021-03-09 | 深圳万知达科技有限公司 | Food detection preprocessing device |
| CN115420733A (en) * | 2022-08-15 | 2022-12-02 | 武汉新烽光电股份有限公司 | Portable COD monitoring devices |
-
2017
- 2017-10-24 CN CN201721384278.9U patent/CN207456920U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116043A (en) * | 2018-09-17 | 2019-01-01 | 沈阳汉威科技有限公司 | Monitoring water quality on line equipment and control method based on programmable controller |
| CN109116043B (en) * | 2018-09-17 | 2024-01-30 | 沈阳汉威科技有限公司 | Water quality on-line monitoring equipment based on programmable controller and control method |
| CN109883812A (en) * | 2019-04-10 | 2019-06-14 | 江苏聚聪环境技术有限公司 | Clear up pipe device |
| CN112461638A (en) * | 2021-01-13 | 2021-03-09 | 深圳万知达科技有限公司 | Food detection preprocessing device |
| CN112461638B (en) * | 2021-01-13 | 2021-11-26 | 临沂友康生物科技有限公司 | Food detection preprocessing device |
| CN115420733A (en) * | 2022-08-15 | 2022-12-02 | 武汉新烽光电股份有限公司 | Portable COD monitoring devices |
| CN115420733B (en) * | 2022-08-15 | 2023-04-21 | 武汉新烽光电股份有限公司 | Portable COD monitoring device |
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