CN204619971U - A kind of chemical reaction still outer circulation type digital display teletransmission pH meter device - Google Patents
A kind of chemical reaction still outer circulation type digital display teletransmission pH meter device Download PDFInfo
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- CN204619971U CN204619971U CN201520151181.8U CN201520151181U CN204619971U CN 204619971 U CN204619971 U CN 204619971U CN 201520151181 U CN201520151181 U CN 201520151181U CN 204619971 U CN204619971 U CN 204619971U
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- eddy flow
- flow detector
- medium
- digital display
- meter
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Abstract
The utility model discloses a kind of chemical reaction still outer circulation type digital display teletransmission pH meter device, comprise reactor and eddy flow detector, liquid to be measured placed by eddy flow detector, digital display teletransmission pH meter to be arranged on eddy flow detector and to detect the pH value of liquid to be measured, eddy flow detector is arranged at outside reactor, reactor sidewall is provided with media outlet and medium back flow mouth, media outlet is connected with the charging aperture of eddy flow detector by medium delivery line, the discharging opening of eddy flow detector is connected with medium back flow mouth by medium back flow pipe, medium delivery line is provided with membrane pump, medium back flow pipe is provided with U-shaped liquid sealing pipe.The utility model can the change of pH value in synchronous explicit still, again not by the impact of liquid level in still, effectively can improve the environment for use of pH meter, improve service life, greatly reduces security risk and risk of environmental pollution that manual sampling may bring.This device is applied in actual production, effectively can detect data reliably for producing to provide.
Description
Technical field
The utility model belongs to technical field of chemical, specifically relates to a kind of chemical reaction still outer circulation type digital display teletransmission pH meter device.
Background technology
Chemical Manufacture needs the pH value adjusting reactant liquor in a kettle., and the past is generally extract reaction solution with accurate pH test paper test, and precision is not high, operates original and dangerous; Along with the application of chemical process automation device, digital display teletransmission pH meter is more and more applied in the reactor needing to measure pH value in time.Because good digital display teletransmission pH meter is expensive, the curing requirements of its pH meter electrode is high, plug-in type installation method in traditional still, because of liquid level in still change, vacuumize, change etc. that stop production to overhaul is vacant, cause inconvenient the taking-up in time of pH electrode to avoid negative pressure or steep in water, be easy to dry and astringent damage or damage by negative pressure.The digital display teletransmission pH meter prices 2 ~ 60,000 yuan of general good brand/not etc., also difficulty is used 2 ~ 3 months, not good enough 0.2 ~ 0.8 ten thousand yuan/, and with less than 1 ~ 2 month, several days that have just bad.Bring very large economic loss to enterprise, the more important thing is that automated production is affected, bring potential problem to product quality and production safety.
Summary of the invention
Technical problem to be solved in the utility model is just to provide a kind of chemical reaction still outer circulation type digital display teletransmission pH meter device, can the change of pH value in synchronous explicit still, effectively can improve the environment for use of pH meter, improve service life.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of chemical reaction still outer circulation type digital display teletransmission pH meter device, comprise reactor and eddy flow detector, liquid to be measured placed by described eddy flow detector, described digital display teletransmission pH meter to be arranged on eddy flow detector and to detect the pH value of liquid to be measured, described eddy flow detector is arranged at outside reactor, described reactor sidewall is provided with media outlet and medium back flow mouth, described media outlet is connected with the charging aperture of eddy flow detector by medium delivery line, the discharging opening of described eddy flow detector is connected with medium back flow mouth by medium back flow pipe, described medium delivery line is provided with membrane pump, described medium back flow pipe is provided with U-shaped liquid sealing pipe.
The utility model by installing membrane pump between medium delivery line and medium back flow pipe, and after membrane pump, establish eddy flow detector, can realize medium at airtight environment and derive on-line checkingi function, thus effectively reduction manual sampling may bring security risk and risk of environmental pollution.The use of eddy flow detector design and membrane pump effectively can prevent measured medium Crystallization Plugging pipeline, effectively prevents measured medium from forming dead angle at eddy flow detector, significantly improves the degree of accuracy of on-line checkingi.
During work, below the measured medium liquid level in medium delivery line intercalation reaction still, measured medium by the sucking-off of medium delivery line, is entered eddy flow detector via membrane pump tangential direction by membrane pump.The probe of on-line measuring device inserts below the liquid liquid level to be measured in eddy flow detector, realizes on-line checkingi function.Liquid to be measured, by bottom eddy flow detector, is back in reactor to medium back flow pipe through U-shaped liquid sealing pipe.Described U-shaped liquid sealing pipe adopts the design of " U " type, a little more than the height of on-line measuring device probe in eddy flow detector on the left of U-tube, can guarantee that on-line measuring device probe is immersed in below measured medium liquid level, guarantee the accuracy of measurement data.
Preferably, described eddy flow detector is conical structure, and the discharging opening of described eddy flow detector is located at eddy flow detector upper portion side wall and tangentially arranges.Described eddy flow detector inner wall smooth, material is preferably enamel.When device comes into operation, measured medium obtains certain initial velocity by the power of membrane pump, when measured medium tangentially enters eddy flow detector with certain speed, eddy flow detector centre flow velocity is the slowest, and the pop one's head in measured medium impulsive force that is subject to of the on-line measuring device of Insert Here is minimum, effectively can prevents and treats on-line measuring device probe and impacted by measured medium and damage.And effectively can prevent measured medium Crystallization Plugging eddy flow detector.In addition, the eddy flow design of eddy flow detector can effectively prevent measured medium from forming dead angle at eddy flow detector, significantly can improve the degree of accuracy of on-line checkingi.
Preferably, described eddy flow detector is provided with cleaning replacement media entrance.In order to prevent and treat measured medium Crystallization Plugging pipeline or corrosion and damage equipment, the utility model device has installed cleaning replacement media entrance.When not needing to detect, available cleaning replacement media carries out cleaning displacement to system.Cleaning replacement media adopts pure water mostly, also other media can be adopted to carry out cleaning displacement according to technological requirement.The bypath valve bottom U-tube liquid sealing pipe is opened during cleaning displacement, drain in device and close by-passing valve after medium, close medium delivery line valve, open cleaning replacement media inlet valve, cleaning replacement media enters eddy flow detector through membrane pump, be back in reactor through U-shaped liquid sealing pipe, medium back flow pipe, implement device cleaning displacement.
Preferably, described membrane pump is pneumatic diaphragm pump or electric diaphragm pump.The pump of other band self-suction functions or material also can be selected according to process conditions.
A kind of chemical reaction still outer circulation type digital display teletransmission pH meter device of the present utility model, can the change of pH value in synchronous explicit still, again not by the impact of liquid level in still, close also not by the impact vacuumized in still after valve, pH meter electrode is all the time in soak, when maintenance or stop production, only need to open related valve just totally flushable, and the immersion pH meter electrode that discharges water, effectively can improve the environment for use of pH meter, improve service life.And can " locked in " operation be realized in testing process and cleaning replacement process, greatly reduce the security risk that may bring of manual sampling and risk of environmental pollution.This device is applied in actual production, and in use procedure, accurately, truly, effectively can detect data reliably for producing to provide, in order to become more meticulous, science production management provides safeguard on-line checkingi data.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Fig. 1 is the structural representation of a kind of chemical reaction still of the utility model outer circulation type digital display teletransmission pH meter device embodiment 1.
Detailed description of the invention
As shown in Figure 1, for the preferred embodiment 1 of a kind of chemical reaction still of the utility model outer circulation type digital display teletransmission pH meter device, comprise reactor 1 and eddy flow detector 10, liquid to be measured placed by described eddy flow detector 10, described digital display teletransmission pH meter 5 to be arranged on eddy flow detector 10 and to detect the pH value of liquid to be measured, described eddy flow detector 10 is arranged at outside reactor 1, described reactor 1 sidewall is provided with media outlet and medium back flow mouth, described media outlet is connected with the charging aperture of eddy flow detector 10 by medium delivery line 11, the discharging opening of described eddy flow detector 10 is connected with medium back flow mouth by medium back flow pipe 12, described medium delivery line 11 is provided with membrane pump 6, described medium back flow pipe 12 is provided with U-shaped liquid sealing pipe 9.
Described eddy flow detector 10 is conical structure, and the discharging opening of described eddy flow detector 10 is located at eddy flow detector 10 upper portion side wall and tangentially arranges.Described eddy flow detector 10 inner wall smooth, material is preferably enamel.When device comes into operation, measured medium obtains certain initial velocity by the power of membrane pump 6, when measured medium tangentially enters eddy flow detector 10 with certain speed, eddy flow detector 10 center flow velocity is the slowest, and the pop one's head in measured medium impulsive force that is subject to of the on-line measuring device of Insert Here is minimum, effectively can prevents and treats on-line measuring device probe and impacted by measured medium and damage.And effectively can prevent measured medium Crystallization Plugging eddy flow detector.In addition, the eddy flow design of eddy flow detector 10 can effectively prevent measured medium from forming dead angle at eddy flow detector 10, significantly can improve the degree of accuracy of on-line checkingi.
Described eddy flow detector 10 is provided with cleaning replacement media entrance 4.In order to prevent and treat measured medium Crystallization Plugging pipeline or corrosion and damage equipment, the utility model device has installed cleaning replacement media entrance 4.When not needing to detect, available cleaning replacement media carries out cleaning displacement to system.Cleaning replacement media adopts pure water mostly, also other media can be adopted to carry out cleaning displacement according to technological requirement.The bypath valve bottom U-tube liquid sealing pipe 9 is opened during cleaning displacement, drain in device and close by-passing valve after medium, close medium delivery line 11 valve, open cleaning replacement media entrance 4 valve, cleaning replacement media enters eddy flow detector 10 through membrane pump 6, be back in reactor 1 through U-shaped liquid sealing pipe 9, medium back flow pipe 12, implement device cleaning displacement.
Described membrane pump 6 is pneumatic diaphragm pump or electric diaphragm pump.The pump of other band self-suction functions or material also can be selected according to process conditions.
The utility model by installing membrane pump 6 between medium delivery line 11 and medium back flow pipe 12, and eddy flow detector 10 is established after membrane pump 6, can realize medium at airtight environment and derive on-line checkingi function, thus effectively reduction manual sampling may bring security risk and risk of environmental pollution.Eddy flow detector 10 designs and the use of membrane pump 6 effectively can prevent measured medium Crystallization Plugging pipeline, effectively prevents measured medium from forming dead angle at eddy flow detector 10, significantly improves the degree of accuracy of on-line checkingi.
During work, below the measured medium liquid level in medium delivery line 11 intercalation reaction still 1, measured medium by medium delivery line 11 sucking-off, is entered eddy flow detector 10 via membrane pump 6 tangential direction by membrane pump 6.The probe of on-line measuring device inserts below the liquid liquid level to be measured in eddy flow detector 10, realizes on-line checkingi function.Liquid to be measured, by bottom eddy flow detector 10, is back in reactor 1 through U-shaped liquid sealing pipe 9 to medium back flow pipe 12.Described U-shaped liquid sealing pipe 9 adopts " U " type to design, and a little more than the height of on-line measuring device probe in eddy flow detector 10 on the left of U-tube, can guarantee that on-line measuring device probe is immersed in below measured medium liquid level, guarantee the accuracy of measurement data.
When needing the reacting liquid pH value in detection reaction still 1, shutoff valve 2, open valve 7, start membrane pump 6, measured medium then in reactor 1 is extracted out and is sent into eddy flow detector 10, valve 3 often leaves (when only vacuumizing in reactor 1, valve 3 cuts out), and liquid to be measured flows back in reactor 1 through U-shaped liquid sealing pipe 9, and U-shaped liquid sealing pipe 9 port of export is also provided with visor 13.Eddy flow detector 10 is for detecting pH value and the electrode maintenance of liquid to be measured, and the numerical value that digital display teletransmission pH meter is measured imports PLC or DCS system into, reaches the pH value parameter of setting, and system signal cuts off reactor 1 alkali or acid gas dynamic dropping valve, completes the work of pH value allocated gauging.When vacuumizing in reactor 1, then by valve 2,3,7,8 contract fully; When stop production to overhaul or do not use for nearly more than 1 day, then open valve 2, shutoff valve 7, open valve 8, start membrane pump 6, inhale running water or purified rinse water electrode by cleaning replacement media entrance 4, wash down rear shutoff valve 2, inhale pure water maintenance pH electrode.
The foregoing is only specific embodiment of the utility model, but technical characteristic of the present utility model is not limited thereto, any those skilled in the art is in field of the present utility model, and the change done or modification are all encompassed among the scope of the claims of the present utility model.
Claims (4)
1. a chemical reaction still outer circulation type digital display teletransmission pH meter device, it is characterized in that: comprise reactor (1) and eddy flow detector (10), described eddy flow detector (10) places liquid to be measured, described digital display teletransmission pH meter (5) is arranged on eddy flow detector (10) and goes up and detect the pH value of liquid to be measured, described eddy flow detector (10) is arranged at reactor (1) outward, described reactor (1) sidewall is provided with media outlet and medium back flow mouth, described media outlet is connected with the charging aperture of eddy flow detector (10) by medium delivery line (11), the discharging opening of described eddy flow detector (10) is connected with medium back flow mouth by medium back flow pipe (12), described medium delivery line (11) is provided with membrane pump (6), described medium back flow pipe (12) is provided with U-shaped liquid sealing pipe (9).
2. a kind of chemical reaction still outer circulation type digital display teletransmission pH meter device according to claim 1, it is characterized in that: described eddy flow detector (10) is conical structure, the discharging opening of described eddy flow detector (10) is located at eddy flow detector (10) upper portion side wall and tangentially arranges.
3. a kind of chemical reaction still outer circulation type digital display teletransmission pH meter device according to claim 1, is characterized in that: described eddy flow detector (10) is provided with cleaning replacement media entrance (4).
4. a kind of chemical reaction still outer circulation type digital display teletransmission pH meter device according to claim 1, is characterized in that: described membrane pump (6) is pneumatic diaphragm pump or electric diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520151181.8U CN204619971U (en) | 2015-03-17 | 2015-03-17 | A kind of chemical reaction still outer circulation type digital display teletransmission pH meter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520151181.8U CN204619971U (en) | 2015-03-17 | 2015-03-17 | A kind of chemical reaction still outer circulation type digital display teletransmission pH meter device |
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| Publication Number | Publication Date |
|---|---|
| CN204619971U true CN204619971U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520151181.8U Withdrawn - After Issue CN204619971U (en) | 2015-03-17 | 2015-03-17 | A kind of chemical reaction still outer circulation type digital display teletransmission pH meter device |
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| CN (1) | CN204619971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759245A (en) * | 2015-03-17 | 2015-07-08 | 浙江中山化工集团股份有限公司 | Chemical reaction kettle external-circulating-type digital-display remote-transmission pH meter device |
-
2015
- 2015-03-17 CN CN201520151181.8U patent/CN204619971U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759245A (en) * | 2015-03-17 | 2015-07-08 | 浙江中山化工集团股份有限公司 | Chemical reaction kettle external-circulating-type digital-display remote-transmission pH meter device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150909 Effective date of abandoning: 20160622 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150909 Effective date of abandoning: 20160622 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |