CN215693250U - Carbon dioxide feeding device for adjusting pH of raw water - Google Patents
Carbon dioxide feeding device for adjusting pH of raw water Download PDFInfo
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- CN215693250U CN215693250U CN202122479677.6U CN202122479677U CN215693250U CN 215693250 U CN215693250 U CN 215693250U CN 202122479677 U CN202122479677 U CN 202122479677U CN 215693250 U CN215693250 U CN 215693250U
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Abstract
The utility model belongs to the technical field of water treatment technique and specifically relates to a carbon dioxide throws feeder apparatus for adjusting raw water pH is provided, include: the device comprises a raw water main pipe, a carbon dioxide device, a gas-liquid mixing and separating device and an adding control system, wherein the raw water main pipe is configured to detect water quality, the carbon dioxide device is configured to convert liquid carbon dioxide into gaseous carbon dioxide, the gas-liquid mixing and separating device is configured to enhance the mixing of carbon dioxide gas and raw water, and the adding control system is configured to adjust the adding amount of the carbon dioxide and the secondary mixing of the carbon dioxide gas and the raw water. Through above-mentioned embodiment for carbon dioxide dosage is more accurate, and then has improved carbon dioxide utilization efficiency, and then makes out water quality of water better.
Description
Technical Field
The disclosure relates to the technical field of water treatment, in particular to a carbon dioxide feeding device for adjusting the pH value of raw water.
Background
Under the condition of over high pH value of raw water, partial aluminum can remain in water due to poor coagulation effect, so that the concentration of dissolved aluminum in the effluent of a water purification plant is increased, and diseases such as senile dementia and the like can be caused by excessive intake of aluminum by a human body, wherein the dissolved aluminum has the highest toxicity. The inventor finds that in the domestic water purification process, the carbon dioxide is used for adjusting the pH value of raw water, the carbon dioxide adding utilization rate is low, and the quality of process effluent is poor.
SUMMERY OF THE UTILITY MODEL
The disclosure provides a carbon dioxide adding device for adjusting the pH value of raw water, which aims to solve the technical problem that the process effluent quality is poor due to the fact that the carbon dioxide adding utilization rate is low in the domestic water purification process by utilizing the carbon dioxide to adjust the pH value of the raw water.
The utility model provides a carbon dioxide throws feeder apparatus for adjusting raw water pH includes:
a raw water main configured to detect water quality;
the carbon dioxide device comprises a liquid carbon dioxide storage tank, a vaporizer and a pressure reducing valve, wherein one end of the vaporizer is connected with the liquid carbon dioxide storage tank, and the other end of the vaporizer is connected with one end of the pressure reducing valve;
the gas-liquid mixing and separating device comprises a gas dissolving chamber, an aerator pipe, an exhaust valve and a gas collecting chamber, wherein the gas dissolving chamber is communicated with the carbon dioxide device, the aerator pipe is arranged in the gas dissolving chamber, one end of the exhaust valve is connected with the gas dissolving chamber, and the other end of the exhaust valve is connected with the gas collecting chamber;
the device comprises a dosing control system and a PLC (programmable logic controller), wherein the dosing control system comprises a pressurizing pump, a water ejector and the PLC, the pressurizing pump is configured to convey raw water, the water ejector is configured to adjust water inlet pressure and flow, and the PLC is configured to control carbon dioxide flow.
In any one of the above technical solutions, the raw water main pipe is communicated with a first pipeline, and the raw water main pipe is communicated with a second pipeline.
In any of the above technical solutions, further, a third pipeline is communicated with the first pipeline.
In any of the above technical solutions, further, the dosing control system further includes a regulating valve, a gas flow meter, a first online pH meter, a second online pH meter and a raw water flow meter, wherein the regulating valve is configured to regulate the water injector, the gas flow meter is configured to feed back a carbon dioxide flow signal, the first online pH meter is configured to detect a pH value before regulation, the second online pH meter is configured to detect a pH value after regulation, and the raw water flow meter is configured to detect a raw water flow.
In any of the above technical solutions, further, the pressure pump is provided with a check valve.
In any of the above technical solutions, further, a partition plate is disposed between the gas dissolution chamber and the gas collection chamber.
In any one of the above technical solutions, further, an electromagnetic valve is disposed between the carbon dioxide device and the gas-liquid mixing and separating device, and the electromagnetic valve is configured to control opening and closing of carbon dioxide intake air
In any one of the above technical solutions, further, the gas-liquid mixing and separating device is set to be in a sealed state as a whole
In any of the above technical solutions, further, the gas-liquid mixing and separating device is made of a corrosion-resistant material.
In any of the above technical solutions, further, the aeration pipe is a perforated aeration pipe.
The beneficial effect of this disclosure mainly lies in: through the embodiment, on one hand, after the finished product liquid carbon dioxide is converted into the gaseous carbon dioxide, the gaseous carbon dioxide is fully mixed with the raw water in advance, the dissolving efficiency is improved, the mixing and reaction time is prolonged, and the overflowed gaseous carbon dioxide is secondarily added into the raw water through the water injector for mixing, so that the utilization efficiency of the carbon dioxide is improved, and the pH adjusting effect is ensured; on the other hand, the pH value of the raw water after the carbon dioxide is added and the adding amount of the carbon dioxide are taken as parameters to be introduced into a calculation program of the PLC, so that the adding amount of the carbon dioxide is more accurate and reasonable, the pH adjustment is more accurate and controllable, and the production stability is ensured.
It is to be understood that both the foregoing general description and the following detailed description are for purposes of illustration and description and are not necessarily restrictive of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the disclosure. Together, the description and drawings serve to explain the principles of the disclosure.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a block diagram of the overall structure of an embodiment of the present disclosure;
FIG. 2 is a schematic overall perspective view of an embodiment of the present disclosure;
FIG. 3 is a schematic perspective view of a portion of an apparatus according to an embodiment of the present disclosure;
FIG. 4 is a schematic perspective view of a second embodiment of the present disclosure;
fig. 5 is a schematic perspective view of a connection assembly according to an embodiment of the present disclosure;
FIG. 6 is an exploded perspective view of a connecting assembly according to an embodiment of the present disclosure;
fig. 7 is a schematic exploded perspective view of a portion of a connecting assembly according to an embodiment of the present disclosure.
Icon:
100-raw water main pipe; 101-a first conduit; 102-a second conduit; 103-a third conduit; 200-a carbon dioxide plant; 201-a carbon dioxide storage tank; 202-a vaporizer; 203-a pressure reducing valve; 204-electromagnetic valve; 300-a gas-liquid mixing and separating device; 301-gas dissolution chamber; 302-an aerator pipe; 303-exhaust valve; 304-a gas collection chamber; 400-adding a control system; 401-a pressure pump; 402-water ejector; 403-a PLC controller; 404-a regulating valve; 405-a gas flow meter; 406-a first online pH meter; 407-a second online pH meter; 408-raw water flow meter; 409-check valve; 500-a connecting assembly; 501-inner tube; 502-a first ratchet; 503-outer tube; 504-a second ratchet; 505-a collar; 506-card slot; 507-a clamp member; 508-a fixture block; 509-baffle.
Detailed Description
The technical solutions of the present disclosure will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present disclosure, but not all embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing and simplifying the present disclosure, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present disclosure, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.
Referring to fig. 1, 2, 3 and 4, in one or more embodiments, there is provided a carbon dioxide dosing apparatus for adjusting pH of raw water, including:
the raw water main pipe 100 has one end of the raw water main pipe 100 communicated with a first pipe 101, and the other end of the raw water main pipe 100 communicated with a second pipe 102.
The carbon dioxide device 200 comprises a liquid carbon dioxide storage tank 201, a vaporizer 202 and a pressure reducing valve 203, wherein liquid carbon dioxide is stored in the liquid carbon dioxide storage tank 201, an inlet of the vaporizer 202 is connected with the liquid carbon dioxide storage tank 201, the liquid carbon dioxide in the liquid carbon dioxide storage tank 201 is converted into gaseous carbon dioxide through the vaporizer 202, an outlet of the vaporizer 202 is connected with an air inlet of the pressure reducing valve 203, the pressure reducing valve 203 is used for adjusting the pressure of the gaseous carbon dioxide, an air outlet of the pressure reducing valve 203 is communicated with a gas dissolving chamber 301 through a pipeline, the gaseous carbon dioxide is sent into the gas dissolving chamber 301 through the pressure reducing valve 203 to be mixed with gas and liquid, the pressure reducing valve 203 is provided with an electromagnetic valve 204, the electromagnetic valve 204 is connected with a PLC 403, and the electromagnetic valve 204 is configured to control the opening and closing of the carbon dioxide inlet.
The gas-liquid mixing and separating device 300 comprises a gas dissolving chamber 301, an aeration pipe 302, an exhaust valve 303 and a gas collecting chamber 304, wherein the gas dissolving chamber 301 is provided with a water inlet and a water outlet, the water inlet is arranged at the lower part of one side of the gas dissolving chamber 301, the water outlet is arranged at the upper part of the other side of the gas dissolving chamber 301, so that gas carbon dioxide is fully contacted with raw water to avoid short flow, a gas inlet of the gas dissolving chamber 301 is communicated with a gas outlet of a pressure reducing valve 203 through a pipeline, the gas carbon dioxide enters the gas dissolving chamber 301 through the gas inlet of the gas dissolving chamber 301, the aeration pipe 302 is laid at the lower end in the gas dissolving chamber 301, the gas carbon dioxide is released through the aeration pipe 302, one end of the exhaust valve 303 is communicated with the gas dissolving chamber 301, the other end of the exhaust valve 303 is communicated with the gas collecting chamber 304, and the gas carbon dioxide is mixed and dissolved with the raw water in the gas dissolving chamber 301 to form carbonic acid, the gaseous carbon dioxide which is not sufficiently dissolved and overflows enters a gas collection chamber 304 at the upper end of the gas dissolution chamber 301 through a gas discharge valve 303. The device can fully mix and dissolve the gas carbon dioxide and the raw water, and avoid the problems that the distance between a carbon dioxide feeding point and a coagulant feeding point is close, the reaction time of carbonic acid and the raw water is insufficient, and the pH adjusting effect is poor.
The dosing control system 400 comprises a pressure pump 401, a water ejector 402 and a PLC 403, wherein the pressure pump 401 is arranged on a first pipeline 101 of a raw water main pipe 100, a check valve 409 is arranged on the first pipeline 101, the check valve 409 is configured to enable the pressure pump 401 to operate safely, a third pipeline 103 is communicated with the first pipeline 101, the water ejector 402 is arranged on the third pipeline 103, the pressure pump 401 is used for conveying raw water from the raw water main pipe 100 to a gas dissolving chamber 301 through the first pipeline 101 and conveying the raw water from the raw water main pipe 100 to the water ejector 402 through the third pipeline 103, an opening is formed in the upper end of a gas collecting chamber 304, the water ejector 402 is communicated with the opening of the gas collecting chamber 304, and the PLC 403 is configured to control the flow of carbon dioxide. Through the above-mentioned device, utilize PLC controller 403, the dosage of accurate carbon dioxide, accurate control pH makes production have stability, and through the above-mentioned device, the carbon dioxide gas in gas collecting chamber 304 passes through water dart 402 from the upper portion opening of gas collecting chamber 304 and forms carbonic acid solution with the raw water secondary mixing in third pipeline 103, and gets into the second pipeline with the carbonic acid solution in gas dissolving chamber 301, and then throws into raw water in charge 100, and then improves carbon dioxide utilization efficiency.
It should be noted that, when specifically setting up, the liquid carbon dioxide storage tank 201 is preferably made of steel material, the gas-liquid mixing separation device 300 is wholly kept in a sealed state, and is made of corrosion-resistant material, preferably is made of stainless steel material, the gas dissolving chamber 301 and the gas collecting chamber 304 are separated by a partition plate, so as to perform a gas-liquid separation function, the exhaust valve 303 is fixed on the partition plate, the partition plate is made of corrosion-resistant material, preferably is made of steel, the second pipeline 102 is made of corrosion-resistant material, preferably is made of stainless steel material, the second pipeline 102 can also be made of PVC material, the aeration pipe 302 can be set as a perforated aeration pipe 302, and can also be set as an aerator form such as an aeration disc.
In any of the above technical solutions, the dosing control system 400 further includes a regulating valve 404, a gas flow meter 405, a first online pH meter 406, a second online pH meter 407, and a raw water flow meter 408, the regulating valve 404 is fixed on the third pipeline 103, the regulating valve 404 is configured to regulate the water inlet pressure and flow rate of the water ejector 402, the gas flow meter 405 is disposed on the pressure reducing valve 203, the first online pH meter 406 is disposed at one end of the raw water main pipe 100, the second online pH meter 407 is disposed at the other end of the raw water main pipe 100, the first online pH meter 406 is configured to detect the pH value before regulation, the second online pH meter 407 is configured to detect the pH value after regulation, the first online pH meter 406 and the second online pH meter 407 are respectively connected to the raw water controller 403, the flow meter 408 is disposed in the raw water pipeline, and the raw water flow meter 408 is configured to detect the flow rate.
The device converts the liquid carbon dioxide into the gaseous carbon dioxide, thereby avoiding the problems that the carbon dioxide gas has low dissolving efficiency, and the air floatation phenomenon of the subsequent coagulating sedimentation process even occurs because most of the carbon dioxide gas is lost and the utilization rate is low because the carbon dioxide gas directly and largely flows into the raw water; the full contact mixing and secondary mixing of the carbon dioxide gas and the raw water are enhanced, the dissolution rate and the utilization efficiency of the carbon dioxide are improved, the reaction time of the carbonic acid and the raw water is prolonged, and the pH regulation efficiency and effect are improved.
It should be noted that carbonic acid is formed after the gaseous carbon dioxide is mixed and dissolved with raw water, and then the pipeline for conveying carbonic acid is easily corroded, and then the pipeline for conveying carbonic acid needs to be replaced regularly, so that safety accidents such as pipeline leakage are avoided.
Referring to fig. 5, 6 and 7, in an embodiment of the present disclosure, the present disclosure further includes a connecting assembly 500, the connecting assembly 500 includes an inner tube 501, a first ratchet, an outer tube 503, a second ratchet and a collar 505, the inner tube 501 is mounted in the above-mentioned apparatus, the first ratchet is fixedly mounted on the inner tube 501, the second ratchet 504 is fixedly mounted on the outer tube 503, the first ratchet 502 and the second ratchet 504 are used in cooperation, a clamping groove 506 is formed on the inner tube 501, a clamping ring 507 is fixedly mounted on the outer tube 503, a clamping block 508 is fixedly mounted on the clamping ring 507, the clamping block 508 can be received in the clamping groove 506 and can slide along the clamping groove 506, an external thread is formed on one end of the inner tube 501, an external thread is formed on the clamping ring 507, the collar 501 is provided with a collar 505, an internal thread is formed in the collar 505, the collar 505 connects the inner tube 501 with the clamping ring 507 on the outer tube 503 through a thread, a baffle 509 is formed in the inner tube 501, the baffle 509 is configured to block carbonic acid solution, the outer side of the collar 505 is provided with an anti-slip stripe configured to increase friction force of a hand on the collar 505, when specifically configured, the anti-slip stripe may be configured to be convenient for driving a tool such as a wrench, and the outer pipe 503 may be one of the first pipe 101, the second pipe 102 and the third pipe 103.
Specifically, the use method of the device comprises the following steps: the second ratchet wheel 504 on the outer tube 503 is inserted into the first ratchet wheel 502 on the inner tube 501, the first ratchet wheel 502 is matched with the second ratchet wheel 504, the clamping block 508 of the clamping piece 507 on the outer tube 503 is clamped in the clamping groove 506 on the inner tube 501, the anti-slip stripe is rotated, the anti-slip stripe drives the lantern ring 505 to rotate, the lantern ring 505 is used for installing and connecting the inner tube 501 with the outer tube 503, in specific implementation, the flowing direction of raw water or carbonic acid solution is that the inner tube 501 is conveyed to the outer tube 503, and the baffle plate 509 can prevent the raw water or carbonic acid solution from corroding the connection of the inner tube 501 and the outer tube 503, so that the service life of the pipeline is prolonged. Through above-mentioned device, can carry out the dismouting to the pipeline fast, reduce the time of changing the pipeline, increase the water treatment work efficiency of equipment.
It should be noted that specific models and specifications of the vaporizer 202, the pressure reducing valve 203, the electromagnetic valve 204, the exhaust valve 303, the pressure pump 401, the water ejector 402, the PLC controller 403, the regulating valve 404, the gas flow meter 405, the first online pH meter 406, the second online pH meter 407, the raw water flow meter 408, and the check valve 409 need to be determined by type selection according to actual specifications of the apparatus of the present disclosure, and a specific type selection calculation method adopts the prior art in the field, and therefore, detailed description is omitted.
The power supply and the principle of the vaporizer 202, the pressure reducing valve 203, the solenoid valve 204, the exhaust valve 303, the pressurizing pump 401, the water ejector 402, the PLC controller 403, the adjusting valve 404, the gas flow meter 405, the first in-line pH meter 406, the second in-line pH meter 407, the raw water flow meter 408, and the check valve 409 will be apparent to those skilled in the art and will not be described in detail herein.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present disclosure, and not for limiting the same; while the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.
Claims (10)
1. The utility model provides a carbon dioxide throws feeder apparatus for adjusting raw water pH which characterized in that includes:
a raw water main configured to detect water quality;
the carbon dioxide device comprises a liquid carbon dioxide storage tank, a vaporizer and a pressure reducing valve, wherein one end of the vaporizer is connected with the liquid carbon dioxide storage tank, and the other end of the vaporizer is connected with one end of the pressure reducing valve;
the gas-liquid mixing and separating device comprises a gas dissolving chamber, an aerator pipe, an exhaust valve and a gas collecting chamber, wherein the gas dissolving chamber is communicated with the carbon dioxide device, the aerator pipe is arranged in the gas dissolving chamber, one end of the exhaust valve is connected with the gas dissolving chamber, and the other end of the exhaust valve is connected with the gas collecting chamber;
the device comprises a dosing control system and a PLC (programmable logic controller), wherein the dosing control system comprises a pressurizing pump, a water ejector and the PLC, the pressurizing pump is configured to convey raw water, the water ejector is configured to adjust water inlet pressure and flow, and the PLC is configured to control carbon dioxide flow.
2. The carbon dioxide dosing device for adjusting the pH of raw water as claimed in claim 1, wherein the main raw water pipe is connected with a first pipeline, and the main raw water pipe is connected with a second pipeline.
3. The carbon dioxide adding apparatus for adjusting pH of raw water as claimed in claim 2, wherein the first pipeline is connected to a third pipeline.
4. The carbon dioxide dosing apparatus for adjusting pH of raw water as claimed in claim 1, wherein the dosing control system further comprises a regulating valve configured to regulate the water injector, a gas flow meter configured to feed back a carbon dioxide flow signal, a first online pH meter configured to detect a pH value before regulation, a second online pH meter configured to detect a pH value after regulation, and a raw water flow meter configured to detect a raw water flow.
5. The carbon dioxide dosing apparatus for adjusting pH of raw water as claimed in claim 1, wherein the pressure pump is provided with a check valve.
6. The carbon dioxide dosing device for adjusting pH of raw water as claimed in claim 1, wherein a partition plate is provided between the gas dissolving chamber and the gas collecting chamber.
7. The carbon dioxide dosing device for adjusting the pH of raw water as claimed in claim 1, wherein a solenoid valve is provided between the carbon dioxide device and the gas-liquid mixing and separating device, and the solenoid valve is configured to control the opening and closing of the carbon dioxide inlet.
8. The carbon dioxide dosing device for adjusting pH of raw water as claimed in claim 1, wherein the gas-liquid mixing and separating device is entirely provided in a sealed state.
9. The carbon dioxide feeding device for adjusting the pH of raw water as claimed in claim 1, wherein the gas-liquid mixing and separating device is made of corrosion-resistant material.
10. The carbon dioxide dosing apparatus for adjusting pH of raw water as claimed in claim 1, wherein the aeration pipe is a perforated aeration pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122479677.6U CN215693250U (en) | 2021-10-14 | 2021-10-14 | Carbon dioxide feeding device for adjusting pH of raw water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122479677.6U CN215693250U (en) | 2021-10-14 | 2021-10-14 | Carbon dioxide feeding device for adjusting pH of raw water |
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| CN215693250U true CN215693250U (en) | 2022-02-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116040779A (en) * | 2023-03-07 | 2023-05-02 | 河北中瀚水务有限公司 | Carbon dioxide adding control system |
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2021
- 2021-10-14 CN CN202122479677.6U patent/CN215693250U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116040779A (en) * | 2023-03-07 | 2023-05-02 | 河北中瀚水务有限公司 | Carbon dioxide adding control system |
| CN116040779B (en) * | 2023-03-07 | 2023-10-20 | 河北中瀚水务有限公司 | Carbon dioxide adding control system |
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