CN216472305U - Current-carrying metering type automatic dosing device for circulating water system - Google Patents
Current-carrying metering type automatic dosing device for circulating water system Download PDFInfo
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- CN216472305U CN216472305U CN202123093144.0U CN202123093144U CN216472305U CN 216472305 U CN216472305 U CN 216472305U CN 202123093144 U CN202123093144 U CN 202123093144U CN 216472305 U CN216472305 U CN 216472305U
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Abstract
The embodiment of the utility model provides a current-carrying metering type automatic dosing device for a circulating water system, which comprises a dosing tank, a suction pipe, a dosing pipe, a metering pump and a current-carrying pipe; the metering pump is arranged above the dosing tank; the upper end of the suction pipe is connected to the input port of the metering pump, and the lower end of the suction pipe vertically extends into the dosing tank from the top of the dosing tank; both ends of the current-carrying pipe are connected to a circulating water system; the lower end of the dispensing pipe is connected to the output port of the metering pump, and the upper end of the dispensing pipe is communicated with the current-carrying pipe. Through the technical scheme of the utility model, absorb the medicament from adding the medicinal cupping through the measuring pump, later to the accurate measurement automatic reagent feeding of recirculated cooling water system to realized that the medicament is put in succession and even, thereby stabilized recirculated cooling water system's quality of water index.
Description
Technical Field
The utility model relates to a recirculated cooling water technical field of metallurgical industry especially relates to a current-carrying metering type automatic reagent feeding device for circulating water system.
Background
In the production of steel plants, a large amount of cooling water is needed to cool equipment for high-temperature operation, for example, the circulating cooling water system is an important matching system in equipment or processes such as blast furnaces, phosphorus removal, rolling mills, water penetration and the like. In the process of recycling the cooling water, the pipelines and the heat exchange equipment in the circulating cooling water system are corroded by impurities in the water and generate scale, so that in daily use, the corrosion and scale formation tendency of the pipelines and the heat exchange equipment is slowed down by adding chemicals (namely adding a corrosion and scale inhibitor).
The existing dosing operation usually adopts a manual mode, has low working efficiency and is greatly influenced by the quality level of personnel. In the prior art, a feeding mode adopting gravity-flow titration appears, namely, the medicament automatically flows into a circulating water cooling system from a medicament feeding tank at the top through a rubber tube by means of gravity, so that the influence of the level of personnel on medicament feeding operation is reduced
In the process of implementing the present invention, the inventor finds that there are at least the following problems in the prior art:
even if the administration mode of gravity-fed titration is adopted, the medicament needs to be regularly filled into the top administration tank, and the titration frequency is influenced by the level of the liquid level in the tank, so that the continuous and uniform administration purpose cannot be realized. Therefore, how to realize continuous and uniform dosing is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a current-carrying measurement formula automatic reagent feeding device for circulating water system to can't realize the continuous and evenly problem of adding the medicine to circulating cooling water system in the cooling of the high temperature equipment of solving current steel mill.
In order to achieve the above object, an embodiment of the present invention provides a current-carrying metering type automatic chemical feeding device for a circulating water system, which comprises a chemical feeding tank, a suction pipe, a chemical feeding pipe, a metering pump and a current-carrying pipe; the metering pump is arranged above the dosing tank; the upper end of the suction pipe is connected to the input port of the metering pump, and the lower end of the suction pipe vertically extends into the dosing tank from the top of the dosing tank and is close to the bottom of the dosing tank; both ends of the current-carrying pipe are connected to a circulating water system; the lower extreme of dispensing pipe is connected to the delivery outlet of measuring pump, and the upper end of dispensing pipe is linked together with the current-carrying pipe.
Furthermore, a filter is arranged at the bottom end of the suction pipe.
Further, the metering pump is an electromagnetic diaphragm metering pump.
Furthermore, the current-carrying metering type automatic dosing device for the circulating water system also comprises a base and a door frame type support frame arranged on the base, wherein the bottom of the dosing tank is fixed on the base and is positioned between the base and the support frame; the metering pump is fixedly connected to the top cross beam of the supporting frame.
Furthermore, the current-carrying metering type automatic dosing device for the circulating water system also comprises a water injection pipe; the water injection pipe vertically extends into the medicine adding tank from the top of the medicine adding tank.
Furthermore, the current-carrying metering type automatic dosing device for the circulating water system also comprises a drain pipe; the blow-off pipe is fixedly connected with the side surface of the bottom of the dosing tank.
Furthermore, a drain valve is arranged at the tail end of the drain pipe.
Further, the dosing tank is box-shaped and is provided with a top cover, and a rectangular dosing opening is formed in the top cover;
further, the suction pipe is vertically inserted into the center point of the top cover of the medicine adding tank.
Further, the medicine adding tank body is made of polyethylene, and the medicine adding port and the water injection pipe are respectively located on two sides of the top cross beam of the support frame.
The technical scheme has the following beneficial effects:
the technical scheme of the utility model in, follow the medicament jar that adds through the measuring pump and absorb the medicament, later to recirculated cooling water system automatic reagent feeding, all have the medicament to add the system at every moment to realized that the medicament is put in succession and even, thereby stabilized the quality of water index.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a current-carrying metering type automatic dosing device for a circulating water system according to an embodiment of the present invention;
reference numerals: 1. a medicine adding tank; 2. a water injection pipe; 3. a metering pump; 4. a straw; 5. a support frame; 6. a base; 7. a medicine adding port; 8. a blow-off pipe; 9. a dispensing tube; 10. and a current-carrying pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a current-carrying metering type automatic dosing device for a circulating water system, comprising a dosing tank 1, a suction pipe 4, a dispensing pipe 9 and a metering pump 3; the metering pump 3 is arranged above the dosing tank 1; the upper end of the suction pipe 4 is connected to the input port of the metering pump 3, and the lower end of the suction pipe 4 vertically extends into the dosing tank 1 from the top of the dosing tank 1; both ends of the current-carrying pipe 10 are connected to a circulating water system; the lower end of the dispensing pipe 9 is connected to the output port of the metering pump 3, and the upper end of the dispensing pipe 9 is communicated with the current-carrying pipe 10.
In order to solve the problem that can't realize adding medicine to recirculated cooling water system in succession and evenly in the cooling of the high temperature equipment of solving current steel mill, realize the continuous input of medicament, must realize through the measuring pump, consequently this application has set up measuring pump 3, will add the medicament in the medicinal cupping 1 and take out through the measuring pump, later send to the recirculated cooling water system in to go. Because the metering pump 3 is usually smaller in power, the corresponding dispensing tube 9 is also thinner in pipe diameter and larger in pipe resistance, and therefore, the medicament is difficult to be directly conveyed to an external circulating cooling water system through the dispensing tube 9. After the upper end (i.e. the output port) of the dosing pipe 9 is communicated with the middle pipe section of the current-carrying pipe 10, the water flow in the current-carrying pipe 10 can continuously bring the medicament output by the dosing device into the circulating cooling water system. In addition, be different from the storage tank of prior art at last, rely on the form of gravity input, in this application, will add medicine jar 1 and place the bottom in, place measuring pump 3 in its top. This design brings a benefit: most of the on-site dosing points are in open places, a layer of sediment is formed at the bottom of the storage tank along with the irradiation of time and sunlight, the traditional treatment mode is that the dosing tank is arranged above, and the dosing is carried out at the bottom opening of the dosing tank, so that the blockage of the dosing is easily caused. The self-control device introduces the suction pipe 4 from the top opening of the storage tank, the medicament is upwards sucked through the suction pipe 4, and the suction pipe 4 is close to the bottom of the medicament adding tank 1 instead of contacting the tank bottom, so that the blockage of the medicament is effectively avoided.
Further, the metering pump 3 is an electromagnetic diaphragm metering pump.
The metering pump has various forms, and an electromagnetic diaphragm metering pump is preferably adopted in the application.
Further, the current-carrying metering type automatic dosing device for the circulating water system further comprises a base 6 and a door frame type support frame 5 arranged on the base 6, and the bottom of the dosing tank 1 is fixed on the base 6 and is positioned between the base 6 and the support frame 5; the metering pump 3 is fixedly connected to the top cross beam of the support frame 5.
The metering pump 3 may be directly connected to the dosing tank 1, but for the sake of stability, a separate door-frame type support frame 5 may be provided for the metering pump 3, and the bottom of the support frame 5 and the base 6 are fixedly connected together.
Further, the current-carrying metering type automatic dosing device for the circulating water system also comprises a water injection pipe 2; the water injection pipe 2 vertically extends into the medicine adding tank 1 from the top of the medicine adding tank 1.
In order to prepare a medicament with a proper concentration, a water injection pipe 2 needs to be introduced into the medicament adding tank 1, and the water injection pipe 2 is preferably arranged at the top of the medicament adding tank 1.
Further, the current-carrying metering type automatic dosing device for the circulating water system also comprises a drain pipe 8; the drain pipe 8 is fixedly connected with the bottom side surface of the dosing tank 1.
In order to empty residual medicament and sediment in the medicament tank and clean the medicament adding tank 1 at ordinary times, a drain pipe 8 is arranged at the outer corner of the bottom of the medicament adding tank 1, and the drain pipe 8 can also be used as an emergency emptying valve.
Furthermore, a drain valve is arranged at the tail end of the drain pipe 8.
For the convenience of operation, a drain valve should be provided at the end of the drain pipe 8.
Further, the medicine adding tank 1 is box-shaped, the medicine adding tank 1 is provided with a top cover, and a rectangular medicine adding opening 7 is formed in the top cover.
For convenience of processing, the medicine adding pot 1 can be made into a cuboid box shape. In order to avoid direct exposure to sunlight and the introduction of impurities, the dosing tank 1 should not be configured in an open configuration, but should have a top protective member, such as a fixed or removable top cover. Meanwhile, in order to facilitate medicine adding, the medicine adding opening 7 can be cut at the corner of the top cover, the medicine adding opening 7 can be designed to be a rectangular hole for convenient processing, meanwhile, the size of the opening is slightly larger than that of a common medicine administration container so as to be convenient for an operator to use, and the size of the medicine adding opening 7 is preferably 20cm multiplied by 50cm through actual measurement.
For further protection, a medicine feeding opening cover can be additionally arranged above the medicine feeding opening, the size of the medicine feeding opening cover is slightly larger than that of the medicine feeding opening, the medicine feeding opening cover can be connected to the top cover in a vertical rotating shaft or horizontal hinge mode and is covered at ordinary times, and the medicine feeding opening cover is opened in a turning or rotating mode to perform medicine feeding operation during medicine feeding.
Further, the suction pipe 4 is vertically inserted into the center point of the top cover of the medicine adding pot 1.
To facilitate the arrangement and at the same time make the output more uniform, a suction tube 4 may be arranged through the opening of the dosing tank 1 in the center of the top cover.
Further, 1 jar of body of medicine adding jar is the polyethylene material, it is located respectively to add medicine mouth 7 and water injection pipe 2 the both sides of the top crossbeam of support frame 5.
In this application, simultaneously, because corrosion inhibition antisludging agent corrodes for the acidity, corrodes the medicine adding jar 1 of metal material easily, consequently, should adopt can acid and alkali corrosion resistant's non-metallic material to make medicine adding jar 1, preferably adopt the polyethylene material. In order to reduce the manufacturing cost, the medicine adding tank 1 can be reformed by an old ton barrel made of rectangular parallelepiped and polyethylene materials.
According to the applicationAccording to the technical scheme, the inventor manufactures a set of current-carrying metering type automatic dosing device for a circulating water system for testing, and the current-carrying metering type automatic dosing device is used for replacing an original gravity-flow titration type dosing device. The new device adopts an old ton barrel (the volume is 1 m) made of polyethylene material3) As a dosing tank, an iron frame around an old tonnage box is removed, a steel plate is used for manufacturing a base of the tonnage box, an electromagnetic diaphragm metering pump is configured for the tonnage box, and actual measurement is carried out, so that the actual effect of the modified new dosing device is as follows: after the use, the qualification rate of the total phosphorus index of the water quality is improved from 75 percent to 95 percent; the dosage of the medicament is reduced from 200 kg/day to 125 kg/day; the medicament adding tank has no blockage.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. To those skilled in the art; various modifications to these embodiments will be readily apparent, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A current-carrying metering type automatic dosing device for a circulating water system is characterized by comprising a dosing tank (1), a suction pipe (4), a dispensing pipe (9), a metering pump (3) and a current-carrying pipe (10); the metering pump (3) is arranged above the dosing tank (1); the upper end of the suction pipe (4) is connected to the input port of the metering pump (3), and the lower end of the suction pipe (4) vertically extends into the dosing tank (1) from the top of the dosing tank (1); both ends of the current-carrying pipe (10) are connected to a circulating water system; the lower end of the dispensing pipe (9) is connected to the output port of the metering pump (3), and the upper end of the dispensing pipe (9) is communicated with the current-carrying pipe (10).
2. A fluid-carrying metering type automatic dosing device for a circulating water system as claimed in claim 1, wherein a filter is provided at the bottom end of the suction pipe (4).
3. A fluid-carrying metering type automatic dosing device for a circulating water system as claimed in claim 1, wherein said metering pump (3) is an electromagnetic diaphragm metering pump.
4. The current-carrying metering type automatic dosing device for the circulating water system according to claim 1, further comprising a base (6) and a door-frame type support frame (5) arranged on the base (6), wherein the bottom of the dosing tank (1) is fixed on the base (6) and is positioned between the base (6) and the support frame (5), and the metering pump (3) is fixedly connected on a top cross beam of the support frame (5).
5. The carrier flow metering type automatic dosing device for a circulating water system as claimed in claim 4, further comprising a water injection pipe (2); the water injection pipe (2) is vertically extended into the medicine adding tank (1) from the top of the medicine adding tank (1).
6. The current-carrying metering type automatic dosing device for the circulating water system as claimed in claim 1, further comprising a sewage discharge pipe (8), wherein the sewage discharge pipe (8) is fixedly connected to the bottom side surface of the dosing tank (1).
7. A current-carrying metering type automatic dosing device for a circulating water system as claimed in claim 6, wherein a blowdown valve is arranged at the tail end of the blowdown pipe (8).
8. The current-carrying metering type automatic medicine adding device for the circulating water system as claimed in claim 1, wherein the medicine adding tank (1) is box-shaped, the medicine adding tank (1) is provided with a top cover, and a rectangular medicine adding opening (7) is formed in the top cover.
9. Current-carrying metering auto-dosing device for a circulating water system according to claim 8, characterized in that the suction pipe (4) is inserted vertically onto the central point of the top lid of the dosing tank (1).
10. The current-carrying metering type automatic medicine adding device for the circulating water system as claimed in claim 4, wherein the tank body of the medicine adding tank (1) is made of polyethylene, and the medicine adding port (7) and the water injection pipe (2) are respectively positioned at two sides of the top cross beam of the support frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123093144.0U CN216472305U (en) | 2021-12-10 | 2021-12-10 | Current-carrying metering type automatic dosing device for circulating water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123093144.0U CN216472305U (en) | 2021-12-10 | 2021-12-10 | Current-carrying metering type automatic dosing device for circulating water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216472305U true CN216472305U (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123093144.0U Active CN216472305U (en) | 2021-12-10 | 2021-12-10 | Current-carrying metering type automatic dosing device for circulating water system |
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| CN (1) | CN216472305U (en) |
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2021
- 2021-12-10 CN CN202123093144.0U patent/CN216472305U/en active Active
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