CN219079197U - Sodium hypochlorite adding device - Google Patents
Sodium hypochlorite adding device Download PDFInfo
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- CN219079197U CN219079197U CN202223173179.XU CN202223173179U CN219079197U CN 219079197 U CN219079197 U CN 219079197U CN 202223173179 U CN202223173179 U CN 202223173179U CN 219079197 U CN219079197 U CN 219079197U
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Abstract
The utility model belongs to the technical field of sodium hypochlorite addition, and particularly relates to a sodium hypochlorite addition device which comprises a raw water pipeline, a dosing pipeline for dosing and a dosing pump, and further comprises: the filling structure comprises a filling pipeline connected to the raw water pipeline and a filling port which is arranged on the filling pipeline and has a notch direction opposite to the raw water flowing direction, and a filling end of the filling pipeline extends into the filling port through the filling pipeline; the gas storage exhaust structure comprises a gas storage exhaust pipe connected to the dosing pipeline, a gas storage exhaust control assembly arranged on the gas storage exhaust pipe and a float structure arranged in the gas storage exhaust pipe, wherein the float structure is linked with the gas storage exhaust control assembly and slides between a high position and a low position in the gas storage exhaust pipe. According to the utility model, the filling structure is optimized and improved, and the gas storage and exhaust structure is added as an exhaust point, so that the problems of blockage of a dosing pipeline and exhaust of the pipeline caused by using sodium hypochlorite as a disinfection mode in a water works are solved.
Description
Technical Field
The utility model belongs to the technical field of sodium hypochlorite addition, and particularly relates to a sodium hypochlorite addition device.
Background
Chlorine disinfection was once the disinfection mode commonly adopted in waterworks. However, the potential unsafe nature of liquid chlorine during transportation, storage and handling has led to the gradual popularization of new disinfection modes for searching and replacing chlorine for disinfection. Sodium hypochlorite sterilization is one of the new sterilization modes.
Hypochlorous acid has a certain sterilization effect, can be adsorbed on the surface of bacteria or viruses, and can permeate cell walls to enter the inside of the cells, so that proteins in the bacteria or viruses are changed through strong oxidization, and the sterilizing and disinfecting effects are achieved. However, due to the instability of sodium hypochlorite and the low-temperature oversaturation property of sodium hydroxide as a byproduct, the problems of pipeline air-discharge and pressure-relief work and pipeline scaling can be solved, so that the labor cost is increased.
The common sodium hypochlorite solution used in waterworks is factory stock solution, and the chemical property of the sodium hypochlorite solution is unstable. Sodium hypochlorite can decompose during transportation, storage and use. Under the conditions of different concentrations, temperatures and pressures, the decomposition rate of sodium hypochlorite will be different. The higher the concentration, the higher the temperature, the lower the pressure, the faster the sodium hypochlorite decomposes, and vice versa the slower.
Sodium hypochlorite is unstable in chemical property, and can be decomposed by itself after being heated by illumination:
2NaClO＝2NaCl+O 2
meanwhile, hypochlorous acid generated by sodium hypochlorite hydrolysis also can be decomposed:
2HClO＝2HCl+O 2
hydrochloric acid generated by decomposition also reacts with hypochlorous acid to generate chlorine
HClO+HCl＝H 2 O+Cl 2
The gas generated by the sodium hypochlorite can be mixed with the liquid to enter the disinfection adding system. When the gas is accumulated to a certain amount, the gas in the system can directly influence the working performance and control parameters of the system, change the control result of the whole system and even possibly influence the factory water quality of a water plant, so that an exhaust point must be added in the system.
At present, a manual exhaust mode is used in a factory, an exhaust valve is manually and periodically opened for exhaust, but the exhaust period in different seasons is changed, so that the manual task amount is improved.
Sodium hypochlorite is put into water to be rapidly hydrolyzed and decomposed, hypochlorite in the sodium hypochlorite can be combined with hydrogen ions in the water to form hypochlorous acid, and sodium ions and hydroxide ions are combined to form sodium hydroxide.
NaClO+H 2 O＝HClO+NaOH
NaOH generated by hydrolysis reaction of sodium hypochlorite and water or water vapor in a pipeline is easy to form supersaturation at low temperature, so that crystals are separated out, and crystals or scaling can be formed in the pipeline, so that the pipeline is blocked.
At present, a large-caliber pipeline is used in a factory, the influence of scaling is delayed, but a pipeline with a larger pipe diameter is adopted, and the pipeline cannot be filled with sodium hypochlorite due to smaller adding amount. At this time, the flow rate of sodium hypochlorite is slower, the residence time in the pipeline is longer, the sufficient time is available for reacting with moisture to generate NaOH, the specific gravity of the NaOH is heavier and has a certain viscosity, the NaOH is easier to adhere to the surface of the pipeline, the slow flow rate of liquid can not form scouring action on the adhered NaOH, and the adhered substances still form scaling along with the accumulation of time.
Based on this, the sodium hypochlorite adding device for solving the problems of blockage of a dosing pipeline and exhaust of the pipeline caused by using sodium hypochlorite as a disinfection mode in the existing water plant has important practical significance.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a sodium hypochlorite feeding device which aims to solve the problems of blockage of a dosing pipeline and exhaust of the pipeline caused by using sodium hypochlorite as a disinfection mode in a water factory by optimizing and improving a filling structure and adding a gas storage and exhaust structure as an exhaust point.
The technical scheme adopted by the utility model for solving the problem is as follows:
the utility model provides a sodium hypochlorite dosing device, includes raw water pipeline, is used for dosing pipeline and dosing pump of dosing, still includes:
the filling structure comprises a filling pipeline connected to the raw water pipeline and a filling port which is arranged on the filling pipeline and has a notch direction opposite to the raw water flowing direction, and a filling end of the filling pipeline extends into the filling port through the filling pipeline;
the gas storage exhaust structure comprises a gas storage exhaust pipe connected to the dosing pipeline, a gas storage exhaust control assembly arranged on the gas storage exhaust pipe and a float structure arranged in the gas storage exhaust pipe, wherein the float structure is linked with the gas storage exhaust control assembly and slides between a high position and a low position in the gas storage exhaust pipe.
Preferably, the raw water pipeline is vertically formed and connected with a connecting pipeline, the filling pipeline is inserted into and fixed in the connecting pipeline, and a filling port is formed at the tail end of the filling pipeline.
Further preferably, the filler is 45 or less 0 The filling port is positioned at the center of the raw water pipeline.
Further preferably, the dosing end of the dosing pipeline extends into the dosing opening through the dosing pipeline and is locked with the connecting pipeline in a sealing mode through the flange plate.
Further preferably, the dosing end of the dosing tube is located near the middle position of the dosing port.
Further preferably, the gas storage exhaust pipe comprises a gas storage cylinder, a transition section and an exhaust pipeline, wherein the gas storage cylinder is vertically connected to the dosing pipeline in a forming mode, the transition section is connected to the top of the gas storage cylinder in a forming mode, the exhaust pipeline is connected to the top of the transition section in a forming mode, the gas storage cylinder and the exhaust pipeline are both cylindrical pipelines, the inner diameter size of the gas storage cylinder is larger than that of the exhaust pipeline, and the transition section is a truncated cone-shaped pipeline with the diameter gradually reduced between the gas storage cylinder and the exhaust pipeline in a transitional mode.
Further preferably, the air reservoir is a transparent PVC pipeline, and three alarm positions of high position, high position and low position are arranged on the air reservoir from top to bottom.
Further preferably, the float structure is an inverted funnel-shaped structure, and the float structure comprises a bottom float part with a shape matched with the air reservoir, a middle float part with a shape matched with the transition section and a top float part with a shape matched with the exhaust pipeline, which are sequentially connected from bottom to top.
Further preferably, the float structure is a float ball plug, the float ball plug is a hollow metal structure, and the outer surface of the float ball plug is fully surrounded by an anti-corrosion layer.
Further preferably, the gas storage and exhaust control assembly includes:
the high-position proximity switch is arranged on the side wall of the high position of the air cylinder;
a high-level proximity switch installed on a side wall of the high-level portion of the air cylinder;
a low proximity switch installed on a side wall of the air cylinder at a low position;
an exhaust valve comprising a manual valve and an exhaust solenoid valve mounted on the exhaust conduit.
The utility model has the advantages and positive effects that:
1. in the utility model, the direction of the notch of the filling port is opposite to the flow direction of raw water, which is favorable for forming negative pressure at the notch position, and sodium hypochlorite is taken away by the raw water under the action of the negative pressure when the raw water passes through the filling port, so that scaling is not favorable for forming at the filling port.
2. In the utility model, the filling port is arranged at the central position of the raw water pipeline, the flow resistance of the raw water at the center of the pipeline is minimum in the flowing process of the raw water pipeline, and the flow speed is fastest, so sodium hypochlorite can enter the system at the fastest speed after entering the center of the pipeline, and the residence time at the filling port is shortest.
3. In the utility model, the shape of the filling opening is designed into a notch shape, and the notch shape is not beneficial to the formation of scale and the blockage of the filling opening by the scale.
4. In the utility model, under the combined action of pressure and buoyancy, the float structure slides between a high position and a low position in the gas storage exhaust pipe, and the gas storage/exhaust action of the gas storage and exhaust control assembly is controlled by the position of the float structure, so that the automatic exhaust process is completed, and the manual task amount is reduced.
Drawings
The technical solution of the present utility model will be described in further detail below with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for the purpose of illustration only and thus are not limiting the scope of the present utility model. Moreover, unless specifically indicated otherwise, the drawings are intended to conceptually illustrate the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the filling structure in an assembled state with the raw water pipeline;
FIG. 3 is a schematic cross-sectional view taken along the A-A plane of FIG. 2;
FIG. 4 is a schematic view of a gas storage and exhaust structure;
fig. 5 is an electrical control connection diagram of the present utility model.
In the figure: 1-a raw water pipeline; 2-a dosing pipeline; 3-a dosing pump; 4-filling the pipeline; 5-a filling port; 6-float structure; 7-a flange plate; 8-an air cylinder; 9-transition section; 10-an exhaust duct; 11-high proximity switch; 12-high proximity switch; 13-low proximity switch; 14-a manual valve; 15-an exhaust solenoid valve.
Detailed Description
First, it should be noted that the following detailed description of the specific structure, characteristics, advantages, and the like of the present utility model will be given by way of example, however, all descriptions are merely illustrative, and should not be construed as limiting the present utility model in any way. Furthermore, any single feature described or implied in the embodiments mentioned herein, or any single feature shown or implied in the figures, may nevertheless be continued in any combination or pruning between these features (or equivalents thereof) to obtain still further embodiments of the utility model that may not be directly mentioned herein. In addition, for the sake of simplicity of the drawing, identical or similar features may be indicated at one point in the same drawing.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances. The present utility model will be described in detail with reference to fig. 1 to 5.
At present, sodium hypochlorite is added into a raw water pipeline through a dosing pipeline under the action of a dosing pump, but because of the instability of sodium hypochlorite and the low-temperature oversaturation property of sodium hydroxide which is a byproduct of sodium hypochlorite, pipeline scaling and blockage problems can be caused, and pipeline air exhaust and pressure relief problems are caused, so that the labor working cost is increased; on the other hand, naOH generated by hydrolysis reaction of sodium hypochlorite and water or steam in a pipeline is easy to form supersaturation at low temperature, so that crystals are separated out, and crystals or scaling can be caused in the pipeline, so that the pipeline is blocked.
Based on this, sodium hypochlorite dosing device that this disclosed technical scheme provided through optimizing improvement filling structure to increase gas storage exhaust structure and regard as the exhaust point, the problem is blocked up and the pipeline exhaust problem of dosing pipeline that use sodium hypochlorite as the disinfection mode, brings in the water works in the solution. The design can eliminate the influence on a metering pump, a flowmeter and other accessories after the gas-liquid mixture is added into a pipeline of the system; the manual task amount of manual valve opening and exhausting can be reduced; the influence of gas accumulation on the pipeline can be reduced; can eliminate the dosing flow problem that the pipeline jam brought, reduce the abluent manual work volume after dismantling the pipeline and reduce the influence of pickling to pipeline and quality of water, be applicable to the marketing in the sodium hypochlorite dosing field. Various embodiments are described in detail below with reference to the accompanying drawings.
Example 1:
the sodium hypochlorite adding device comprises a raw water pipeline 1, a dosing pipeline 2 for dosing and a dosing pump 3, and further comprises: the filling structure comprises a filling pipeline 4 connected to the raw water pipeline 1 and a filling port 5 which is arranged on the filling pipeline 4 and has a notch direction opposite to the raw water flowing direction, wherein a dosing end of the dosing pipeline 2 extends into the filling port 5 through the filling pipeline 4; the gas storage and exhaust structure comprises a gas storage exhaust pipe connected to the dosing pipeline 2, a gas storage and exhaust control assembly arranged on the gas storage exhaust pipe and a float structure 6 arranged in the gas storage exhaust pipe, wherein the float structure 6 is linked with the gas storage and exhaust control assembly and slides between a high position and a low position in the gas storage exhaust pipe.
In this embodiment, to pipeline scale deposit, jam problem, increase the filling structure on raw water pipeline, specific: the raw water pipeline is additionally provided with a filling pipeline, the bottom of the filling pipeline is provided with a filling port with a notch direction back to the raw water flowing direction, and the dosing end of the dosing pipeline extends into the filling port through the filling pipeline, so that the filling structure has the following technical characteristics:
1. the direction of the notch of the filling port is opposite to the flow direction of the raw water, negative pressure is formed at the notch position in the direction, and sodium hypochlorite is taken away by the raw water under the action of the negative pressure when the raw water passes through the filling port, so that scaling is not formed at the filling port.
2. The filling port is arranged at the central position of the raw water pipeline, the flow resistance of the raw water in the center of the pipeline is minimum in the flowing process of the raw water pipeline, and the flow speed is fastest, so that sodium hypochlorite can enter the system at the fastest speed after entering the center of the pipeline, and the residence time at the filling port is shortest.
3. The shape of the filler neck is designed into a notch shape, which is unfavorable for scale formation and scale blocking of the filler neck.
Aiming at the problem of pipeline exhaust pressure relief, a gas storage exhaust structure is added on a dosing pipeline to serve as an exhaust point, and the method is specific: the gas storage exhaust pipe perpendicular to the gas storage exhaust pipe is added on the gas storage exhaust pipe, a gas storage exhaust control component is arranged on the gas storage exhaust pipe to control gas storage/exhaust, a float structure is arranged in the gas storage exhaust pipe, the top view surface of the float structure bears gas pressure, the bottom view surface bears buoyancy provided by liquid, under the combined action of the pressure and the buoyancy, the float structure slides between a high position and a low position in the gas storage exhaust pipe, and the gas storage/exhaust action of the gas storage exhaust control component is controlled by the position of the float structure, so that an automatic exhaust process is achieved, and the amount of manual tasks is reduced.
The sodium hypochlorite adding device has the following technical effects:
1. the influence on a metering pump, a flowmeter and other accessories after the gas-liquid mixture is added into a pipeline of a system together can be eliminated;
2. the manual task amount of manual valve opening and exhausting can be reduced;
3. the influence of gas accumulation on the pipeline can be reduced;
4. can eliminate the dosing flow problem caused by pipeline blockage, reduce the manual task amount of cleaning after the pipeline is disassembled and reduce the influence of acid washing on the pipeline and water quality.
Still further, it is also contemplated in this embodiment that a connecting pipe is vertically formed on the raw water pipe 1, the filling pipe 4 is inserted into and fixed in the connecting pipe, and a filling port 5 is formed at the end of the filling pipe 4, and the cut direction of the filling port 5 is opposite to the raw water flowing direction. This direction is favorable to forming negative pressure at the incision position, and raw water takes away sodium hypochlorite because of negative pressure effect when passing through the filler neck 5, is unfavorable for forming the scale deposit at the filler neck.
Further, it is also contemplated in this embodiment that the filler neck 5 is less than or equal to 45 0 Is designed to be smaller than 45 0 Is detrimental to scale formation and scale clogging the filler neck.
Furthermore, it may be considered that the filler opening 5 is located at the center of the raw water pipeline 1 in this embodiment, and it is further preferred that the dosing end of the dosing pipeline 2 is located near the middle of the filler opening, and the filler opening 5 is located at the center of the raw water pipeline 1, so that the flow resistance of raw water in the center of the pipeline is minimum and the flow velocity is fastest during the flowing process of raw water, so that sodium hypochlorite enters the system at the fastest speed after entering the center of the pipeline, and the residence time of sodium hypochlorite at the filler opening is shortest.
Still further, it can also be considered in this embodiment that the dosing end of the dosing pipe 2 extends into the position of the filling port 5 through the filling pipe 4 and is sealed and locked with the connecting pipe through the flange 7, and the sealing connection between the dosing pipe 2 and the filling pipe 4 can be realized through the flange 7, so that the dosing pipe is convenient to install, replace or disassemble, and further preferably, the sealing ring can be matched with the flange for further improving the tightness.
Example 2:
the gas storage exhaust pipe comprises a gas storage cylinder 8 which is vertically connected to the dosing pipeline 2 in a forming mode, a transition section 9 which is connected to the top of the gas storage cylinder 8 in a forming mode, and an exhaust pipeline 10 which is connected to the top of the transition section 9 in a forming mode.
Furthermore, in this embodiment, it may be considered that the air reservoir 8 and the air exhaust pipe 10 are both cylindrical pipes, the inner diameter of the air reservoir 8 is larger than that of the air exhaust pipe 10, and the transition section 9 is a truncated cone-shaped pipe with a tapered diameter and connected between the air reservoir 8 and the air exhaust pipe 10 in a transition manner.
Furthermore, it is also conceivable in this embodiment that the air reservoir 8 is a transparent PVC pipe, and three alarm positions of high, high and low are provided on the air reservoir 8 from top to bottom.
Still further, it may be considered that in this embodiment, the float structure 6 is an inverted funnel-shaped structure, the float structure 6 includes a bottom float portion with a shape adapted to the air reservoir 8, a middle float portion with a shape adapted to the transition section 9, and a top float portion with a shape adapted to the air exhaust pipe 10, which are sequentially connected from bottom to top, the bottom float portion of the float structure 6 is adapted to the air reservoir 8, and the top float portion, the middle float portion and the bottom float portion of the float structure 6 integrally move up and down in the air reservoir 8 under the action of buoyancy and pressure, when the buoyancy provided by the liquid is greater than the pressure provided by the gas, the float rises to the highest position, and the transition section 9 plays a limiting role, so that the top float portion of the float structure 6 is located in the air exhaust pipe 10, and the middle float portion of the float structure 6 just seals the transition section 9, so as to prevent the liquid in the air reservoir 8 from overflowing.
It should be noted that the air cylinder is also provided with a limit structure for preventing the floating ball plug from entering the dosing pipeline.
Still further, it is also conceivable in this embodiment that the float structure 6 is a float ball plug, the float ball plug is a hollow metal structure, and an anti-corrosion layer is disposed around the outer surface of the float ball plug, and the anti-corrosion layer is coated with an anti-corrosion material or glass fiber reinforced plastic.
Still further, it is also contemplated in this embodiment that the gas storage exhaust control assembly includes:
a high-level proximity switch 11 mounted on a side wall of the air cylinder 8 at a high level;
a high proximity switch 12 mounted on a side wall of the air cylinder 8 at a high position;
a low-level proximity switch 13 mounted on a side wall of the air cylinder 8 at a low level;
an exhaust valve comprising a manual valve 14 and an exhaust solenoid valve 15 mounted on the exhaust conduit 10.
In this embodiment, design a kind of floater stopper that accords with the pipe diameter variation department of dosing pipeline and gas storage blast pipe, realize the automatic exhaust, the structure of floater stopper is hollow metal for the armature of actuation sensor, and anticorrosive material is paintd or is wrapped up with glass steel to the surface for prevent the corruption of chlorine, floater stopper lower extreme diameter slightly is less than gas receiver pipeline diameter, can make gaseous upward row through the gap, floater upper end diameter laminating changeover portion pipeline diameter, can block up the gas storage blast pipe of changeover portion department after the reducing completely. The top surface of the floating ball plug bears the pressure of gas, the bottom surface bears the buoyancy provided by liquid, and the high-position proximity switch, the high-position proximity switch and the low-position proximity switch are set at proper positions in the air storage cylinder, and the sensors are arranged at the positions, so that the switch of the exhaust electromagnetic valve is controlled by the position of the floating ball plug, as shown in an electric control connection diagram in fig. 5, the sensors at the high position, the low position, the high position and the electromagnetic valve are all connected with the PLC control, wherein: the PLC may be, but is not limited to, a BMXP342020 Schneider PLC, the sensor may be, but is not limited to, a proximity switch sensor, such as OMRONE2B-M12KS04-M1-C1, and the exhaust solenoid valve may be, but is not limited to, a solenoid valve, such as that described in Shige EF8320G 174.
a. When the buoyancy provided by the liquid is greater than the pressure provided by the gas, the floating ball rises, and the exhaust valve is normally closed and does not act.
b. When the pressure provided by the gas is greater than the buoyancy provided by the liquid, the floating ball plug descends, and when the floating ball plug descends to the high-position proximity switch, the proximity sensor armature at the high position is attracted, an electric signal is transmitted to the on-site box alarm indicator lamp, and the electric signal is transmitted to the upper computer of the central control room through the PLC, so that exhaust alarm is carried out; when the floating ball plug descends to the low-position proximity switch, the exhaust alarm is carried out, and the exhaust valve is automatically opened to carry out the exhaust work.
C. As the exhaust operation proceeds, the gas pressure above the float piston decreases, and the float piston rises to close the exhaust valve.
With this reciprocal, reach an automatic exhaust process, reduce the manual work volume.
Working principle: adding a filling pipeline on a raw water pipeline, arranging a filling port with a notch direction back to the raw water flowing direction at the bottom of the filling pipeline, and extending a dosing end of the dosing pipeline to the filling port through the filling pipeline, wherein the filling port with the notch shape is not beneficial to scale formation and scale blockage of the filling port, so that the problems of scale formation and blockage of the pipeline are solved; a floating ball plug is arranged in an air storage cylinder of the air storage exhaust pipe, a high-position proximity switch and a low-position proximity switch are arranged at proper positions in the air storage cylinder, and sensors are arranged at the positions. When the buoyancy provided by the liquid is greater than the pressure provided by the gas, the floating ball rises, and the exhaust electromagnetic valve is normally closed and does not act; when the pressure provided by the gas is greater than the buoyancy provided by the liquid, the floating ball plug descends, and when the floating ball plug descends to the high-position proximity switch, the proximity sensor armature at the high position is sucked, and exhaust alarm is carried out; when the floating ball plug descends to the low-position proximity switch, the exhaust electromagnetic valve is opened to perform exhaust work; with the exhaust operation, the gas pressure above the floating ball piston is reduced, the floating ball piston is lifted, and the exhaust electromagnetic valve is closed, so that the reciprocating operation is realized.
The specific structures, working principles, and circuit structures of the PLC, the sensor, the proximity switch, the solenoid valve, and the like used in the present utility model are all prior art, and therefore will not be described in detail.
The foregoing examples illustrate the utility model in detail, but are merely preferred embodiments of the utility model and are not to be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (10)
1. The utility model provides a sodium hypochlorite dosing device, includes raw water pipeline (1), is used for dosing pipeline (2) and dosing pump (3), its characterized in that: further comprises:
the filling structure comprises a filling pipeline (4) connected to the raw water pipeline (1) and a filling port (5) which is arranged on the filling pipeline (4) and has a notch direction opposite to the raw water flowing direction, wherein a dosing end of the dosing pipeline (2) extends into the filling port (5) through the filling pipeline (4);
the gas storage exhaust structure comprises a gas storage exhaust pipe connected to the dosing pipeline (2), a gas storage exhaust control assembly arranged on the gas storage exhaust pipe and a float structure (6) arranged in the gas storage exhaust pipe, wherein the float structure (6) is linked with the gas storage exhaust control assembly and slides between a high position and a low position in the gas storage exhaust pipe.
2. The sodium hypochlorite dosing device of claim 1, wherein: the raw water pipeline (1) is vertically formed and connected with a connecting pipeline, the filling pipeline (4) is inserted into and fixed in the connecting pipeline, and a filling port (5) is formed at the tail end of the filling pipeline (4).
3. A sodium hypochlorite dosing device according to claim 2, wherein: the filling port (5) is of a notch structure smaller than or equal to 45 degrees, and the filling port (5) is located at the center of the raw water pipeline (1).
4. A sodium hypochlorite dosing device according to claim 3, wherein: the dosing end of the dosing pipeline (2) extends into the dosing opening (5) through the dosing pipeline (4) and is tightly locked with the connecting pipeline through the flange plate (7).
5. The sodium hypochlorite dosing device of claim 1, wherein: the gas storage exhaust pipe comprises a gas storage cylinder (8) which is vertically connected to the dosing pipeline (2), a transition section (9) which is connected to the top of the gas storage cylinder (8) in a molding way, and an exhaust pipeline (10) which is connected to the top of the transition section (9) in a molding way.
6. The sodium hypochlorite dosing device of claim 5, wherein: the air storage cylinder (8) and the exhaust pipeline (10) are cylindrical pipelines, the inner diameter of the air storage cylinder (8) is larger than that of the exhaust pipeline (10), and the transition section (9) is a truncated cone-shaped pipeline with the diameter gradually reduced between the air storage cylinder (8) and the exhaust pipeline (10) in transition connection.
7. The sodium hypochlorite dosing device of claim 6, wherein: the air storage cylinder (8) is a transparent PVC pipeline, and three alarm positions of high position, high position and low position are arranged on the air storage cylinder (8) from top to bottom.
8. The sodium hypochlorite dosing device of claim 7, wherein: the float structure (6) is an inverted funnel-shaped structure, and the float structure (6) comprises a bottom float part, a middle float part and a top float part, wherein the bottom float part is sequentially connected from bottom to top, the shape of the bottom float part is matched with the air storage cylinder (8), the middle float part is matched with the transition section (9), and the top float part is matched with the exhaust pipeline (10).
9. The sodium hypochlorite dosing device of claim 8, wherein: the float structure (6) is a float ball plug, the float ball plug is of a hollow metal structure, and an anti-corrosion layer is arranged on the outer surface of the float ball plug in a full-surrounding mode.
10. The sodium hypochlorite dosing device of claim 9, wherein: the gas storage exhaust control assembly includes:
a high-level proximity switch (11) which is arranged on the side wall of the high-level position of the air cylinder (8);
a high-level proximity switch (12) which is installed on the side wall of the high-level position of the air cylinder (8);
a low-level proximity switch (13) which is installed on the side wall of the low-level position of the air cylinder (8);
an exhaust valve comprises a manual valve (14) and an exhaust electromagnetic valve (15) which are arranged on an exhaust pipeline (10).
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| CN202223173179.XU CN219079197U (en) | 2022-11-29 | 2022-11-29 | Sodium hypochlorite adding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117209026A (en) * | 2023-11-07 | 2023-12-12 | 宝鸡市海鑫钛镍有限公司 | Sodium hypochlorite adding device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117209026A (en) * | 2023-11-07 | 2023-12-12 | 宝鸡市海鑫钛镍有限公司 | Sodium hypochlorite adding device |
| CN117209026B (en) * | 2023-11-07 | 2024-02-23 | 宝鸡市海鑫钛镍有限公司 | Sodium hypochlorite adding device |
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