CN215667191U - Chemical adding device for avoiding air inflow of metering pump - Google Patents
Chemical adding device for avoiding air inflow of metering pump Download PDFInfo
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- CN215667191U CN215667191U CN202121753864.2U CN202121753864U CN215667191U CN 215667191 U CN215667191 U CN 215667191U CN 202121753864 U CN202121753864 U CN 202121753864U CN 215667191 U CN215667191 U CN 215667191U
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- circulating water
- metering pump
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- dosing
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Abstract
The utility model belongs to the technical field of circulating water systems, in particular to a dosing device for avoiding air intake of a metering pump, which comprises a circulating water pipeline, a dosing tank and a central controller, wherein a concentration multiple detector is used for collecting the change of the concentration multiple of circulating water in the circulating water system, then the collected data is fed back to the central controller electrically connected with the concentration multiple detector, the central controller outputs an instruction to the metering pump according to the concentration multiple of the circulating water, the metering pump is started immediately after receiving the instruction output by the central controller, automatic dosing to the inside of the circulating water pipeline is realized through a dosing pipe and an injection valve, when the metering pump operates, the liquid level in the dosing tank is gradually reduced, when the low liquid level set by a liquid level meter is reached, the liquid level meter transmits information to the central controller, the central controller controls the metering pump to stop operating, thereby ensuring that the metering pump automatically stops when the liquid level is lower than the set liquid level, the problem that the circulating water system enters air is avoided.
Description
Technical Field
The utility model relates to the technical field of circulating water systems, in particular to a dosing device for avoiding air inflow of a metering pump.
Background
The blast furnace water purification and recirculation system belongs to a typical indirect cooling water system, the water treatment is considered from the aspects of scale inhibition, corrosion inhibition, sterilization and algae removal, the reasonable control of the concentration multiple of the circulating water is the key point of water saving and emission reduction of the existing industrial circulating cooling water system, but along with the increase of the concentration multiple, the difficulty is caused to the running quality of water quality, such as the generation of new problems of scaling, corrosion or soft mud deposition and the like, in order to avoid scaling, besides various indexes of the controlled water, a water treatment agent also needs to be added, and the circulating cooling water system is ensured to be in a stable and balanced state by reasonably adjusting the formula proportion of the agent.
But current charge device, circulating water system water treatment medicament adds medicine for manual operation, and the measuring pump still continues the operation when the medicament liquid level in the explosive box is less than measuring pump sunction inlet liquid level, causes the measuring pump to admit air, influences the medicine effect, leads to circulating water system to admit air, seriously influences the working of feed pump, the major accident of shutting down even.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background art, the utility model provides a dosing device for preventing air from entering a metering pump, which has the characteristics of automatically dosing and preventing the air from entering a system due to too low liquid level of the dosing device.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an avoid charge device that measuring pump was admitted air, includes circulating water pipeline, explosive box and central controller, circulating water pipeline's outer wall is provided with the concentration multiple detector, the measuring pump is installed to the up end of explosive box, the up end intercommunication of measuring pump has into the pencil, the one end intercommunication that the measuring pump was kept away from to the pencil has the injection valve, the top and the circulating water pipeline intercommunication of injection valve, the left side intercommunication of explosive box has the level gauge, the inside of level gauge is provided with magnetism float and lower limit locator respectively, the lower limit locator is located the below of magnetism float, concentration multiple detector, measuring pump, injection valve and level gauge all with central controller electric connection.
In order to uniformly stir the medicament and facilitate the quick fusion of the medicament and circulating water, the medicament adding device for avoiding the air intake of the metering pump is preferably provided with the stirrer inside the medicament storage box.
In order to prompt staff when the liquid level of the medicament in the medicament box is low, the dosing device for avoiding air intake of the metering pump is preferably used, the upper end face of the central controller is provided with the audible and visual alarm, and the audible and visual alarm is electrically connected with the central controller.
In order to ensure uniform flow of the medicament and control the flow of the medicament, the medicament feeding device for preventing the metering pump from feeding air is preferably used, the outer wall of the medicament feeding pipe is respectively provided with a flow equalizer and a flowmeter, and the flowmeter is positioned on the right side of the flow equalizer.
In order to ensure the stability of the flow of the medicament at the outlet of the metering pump, the medicament adding device for avoiding the air intake of the metering pump is preferably provided with a back pressure valve at the back of the medicament storage box.
In order to prevent the medicine from flowing back into the medicine storage box, it is preferable that the injection valve is provided with a check valve inside as the medicine adding device for preventing the air intake of the metering pump according to the present invention.
Compared with the prior art, the utility model has the beneficial effects that:
data collection is carried out through a concentration multiple detector, the change of the concentration multiple of circulating water in a circulating water system is collected, the collected data are fed back to a central controller electrically connected with the concentration multiple detector, the central controller arranges and analyzes the received data, then an instruction is output to a metering pump according to the concentration multiple of the circulating water, the metering pump is started immediately after receiving the instruction output by the central controller, and the dosing quantity and the dosing frequency are automatically adjusted according to the change of the concentration multiple of the circulating water, so that automatic dosing to the inside of the circulating water pipeline is realized through a dosing pipe and an injection valve, full-automatic dosing is realized in the whole process, no specially-assigned person is needed to watch, the change of the dosing quantity and the dosing frequency can be intelligently realized according to the change of the concentration multiple of the circulating water in the circulating water pipeline, the stable operation of the circulating water system is ensured, and when the metering pump is operated, the inside liquid level of explosive box reduces gradually, and when reaching the low liquid level that the level gauge set for, the level gauge with information transmission to central controller, central controller control measuring pump bring to rest, just can start when the liquid level is higher than the low liquid level of setting for in the explosive box to guaranteed that the measuring pump is automatic to be stopped the pump when being less than the setting for liquid level, avoided the problem that circulating water system got into the air.
In conclusion, the dosing device for avoiding air inflow of the metering pump has the characteristics of automatically dosing and avoiding system air inflow caused by too low liquid level of the dosing device.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.
In the drawings:
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is a schematic view of a back pressure valve of the present invention;
FIG. 3 is a circuit diagram of the present invention;
in the figure, 1, a circulating water pipeline; 2. a medicine storage box; 3. a central controller; 4. a concentration multiple detector; 5. a metering pump; 6. a medicine inlet pipe; 7. an injection valve; 8. a liquid level meter; 9. a magnetic float; 10. a lower limit locator; 11. a stirrer; 12. an audible and visual alarm; 13. a current equalizer; 14. a flow meter; 15. a back pressure valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides an avoid charge device that measuring pump admitted air, including circulating water pipeline 1, explosive box 2 and central controller 3, circulating water pipeline 1's outer wall is provided with concentration multiple detector 4, measuring pump 5 is installed to explosive box 2's up end, measuring pump 5's up end intercommunication has into pencil 6, the one end intercommunication that measuring pump 5 was kept away from to advancing pencil 6 has injection valve 7, the top and the circulating water pipeline 1 intercommunication of injection valve 7, explosive box 2's left side intercommunication has level gauge 8, level gauge 8's inside is provided with magnetic float 9 and lower limit locator 10 respectively, lower limit locator 10 is located the below of magnetic float 9, concentration multiple detector 4, measuring pump 5, injection valve 7 and level gauge 8 all with 3 electric connection of central controller.
In this embodiment: data are collected through a concentration multiple detector 4, the change of the concentration multiple of circulating water in the circulating water system is collected, the collected data are fed back to a central controller 3 electrically connected with the concentration multiple detector 4, the central controller 3 arranges and analyzes the received data, then an instruction is output to a metering pump 5 according to the concentration multiple of the circulating water, the metering pump 5 is started immediately after receiving the instruction output by the central controller 3, the dosing quantity and the dosing frequency are automatically adjusted according to the change of the concentration multiple of the circulating water, so that automatic dosing in the circulating water pipeline 1 is realized through a dosing pipe 6 and an injection valve 7, full-automatic dosing is realized in the whole process, no special person is needed to watch, the change of the dosing quantity and the dosing frequency can be intelligently realized according to the change of the concentration multiple of the circulating water in the circulating water pipeline 1 to ensure the stable operation of the circulating water system, when the metering pump 5 was operated, the inside liquid level of explosive box 2 reduced gradually, when reaching the low liquid level that the level gauge 8 set for, level gauge 8 was with information transmission to central controller 3, and central controller 3 control metering pump 5 shutdown, just can start when the liquid level was higher than the low liquid level of setting for in the explosive box 2, and this has just guaranteed that metering pump 5 stops the pump automatically when being less than the setting for liquid level, has avoided the problem that circulating water system got into the air.
As a technical optimization of the present invention, the medicine box 2 is provided with a stirrer 11 inside.
In this embodiment: the stirrer 11 is used for uniformly stirring the medicament in the medicament storage box 2, so that the medicament and the circulating water are rapidly fused.
As a technical optimization scheme of the utility model, the upper end face of the central controller 3 is provided with the audible and visual alarm 12, and the audible and visual alarm 12 is electrically connected with the central controller 3.
In this embodiment: through the arrangement of the audible and visual alarm 12, when the liquid level of the medicament in the medicament box 2 is low, the staff is prompted.
As a technical optimization scheme of the utility model, the outer wall of the medicine inlet pipe 6 is respectively provided with a flow equalizer 13 and a flow meter 14, and the flow meter 14 is positioned at the right side of the flow equalizer 13.
In this embodiment: the flow of the medicament can be ensured to be uniform through the flow equalizer 13, the sterilization effect in a circulating water system is facilitated, the flow of the medicament can be monitored through the flowmeter 14, and the automatic control is facilitated.
As a technical optimization scheme of the utility model, a back pressure valve 15 is installed at the back of the medicine storage box 2.
In this embodiment: through the setting of back pressure valve 15 for metering pump 5 export has constant pressure, guarantees metering pump 5 export medicament flow's stability.
As a technical optimization of the present invention, the injection valve 7 is internally provided with a check valve.
In this embodiment: through the setting of check valve, effectively avoided the medicament to flow backwards to the inside of explosive box 2, influence circulating water system's operation.
The working principle and the using process of the utility model are as follows: data are collected through a concentration multiple detector 4, the change of the concentration multiple of circulating water in the circulating water system is collected, the collected data are fed back to a central controller 3 electrically connected with the concentration multiple detector 4, the central controller 3 arranges and analyzes the received data, then an instruction is output to a metering pump 5 according to the concentration multiple of the circulating water, the metering pump 5 is started immediately after receiving the instruction output by the central controller 3, the dosing quantity and the dosing frequency are automatically adjusted according to the change of the concentration multiple of the circulating water, so that automatic dosing in the circulating water pipeline 1 is realized through a dosing pipe 6 and an injection valve 7, full-automatic dosing is realized in the whole process, no special person is needed to watch, the change of the dosing quantity and the dosing frequency can be intelligently realized according to the change of the concentration multiple of the circulating water in the circulating water pipeline 1 to ensure the stable operation of the circulating water system, when the metering pump 5 was operated, the inside liquid level of explosive box 2 reduced gradually, when reaching the low liquid level that the level gauge 8 set for, level gauge 8 was with information transmission to central controller 3, and central controller 3 control metering pump 5 shutdown, just can start when the liquid level was higher than the low liquid level of setting for in the explosive box 2, and this has just guaranteed that metering pump 5 stops the pump automatically when being less than the setting for liquid level, has avoided the problem that circulating water system got into the air.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an avoid charge device that measuring pump admitted air, includes circulating water pipeline (1), explosive box (2) and central controller (3), its characterized in that: the outer wall of circulating water pipeline (1) is provided with concentration multiple detector (4), measuring pump (5) are installed to the up end of explosive box (2), the up end intercommunication of measuring pump (5) has into pencil (6), the one end intercommunication that measuring pump (5) were kept away from in pencil (6) has injection valve (7), the top and circulating water pipeline (1) intercommunication of injection valve (7), the left side intercommunication of explosive box (2) has level gauge (8), the inside of level gauge (8) is provided with magnetism float (9) and lower limit locator (10) respectively, lower limit locator (10) are located the below of magnetism float (9), concentration multiple detector (4), measuring pump (5), injection valve (7) and level gauge (8) all with central controller (3) electric connection.
2. The dosing device for avoiding air inflow of a metering pump according to claim 1, wherein: a stirrer (11) is arranged in the medicine storage box (2).
3. The dosing device for avoiding air inflow of a metering pump according to claim 1, wherein: the upper end face of the central controller (3) is provided with an audible and visual alarm (12), and the audible and visual alarm (12) is electrically connected with the central controller (3).
4. The dosing device for avoiding air inflow of a metering pump according to claim 1, wherein: the outer wall of the medicine inlet pipe (6) is provided with a flow equalizer (13) and a flow meter (14) respectively, and the flow meter (14) is positioned on the right side of the flow equalizer (13).
5. The dosing device for avoiding air inflow of a metering pump according to claim 1, wherein: the back of the medicine storage box (2) is provided with a back pressure valve (15).
6. The dosing device for avoiding air inflow of a metering pump according to claim 1, wherein: the injection valve (7) is internally provided with a check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121753864.2U CN215667191U (en) | 2021-07-29 | 2021-07-29 | Chemical adding device for avoiding air inflow of metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121753864.2U CN215667191U (en) | 2021-07-29 | 2021-07-29 | Chemical adding device for avoiding air inflow of metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215667191U true CN215667191U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121753864.2U Active CN215667191U (en) | 2021-07-29 | 2021-07-29 | Chemical adding device for avoiding air inflow of metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215667191U (en) |
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2021
- 2021-07-29 CN CN202121753864.2U patent/CN215667191U/en active Active
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