CN211946261U

CN211946261U - Anti-siphon device for metering pump of chemical chlorine dioxide generator

Info

Publication number: CN211946261U
Application number: CN202020471341.8U
Authority: CN
Inventors: 张朝辉
Original assignee: Sichuan Dongbao Water Treatment Technology Co ltd
Current assignee: Sichuan Dongbao Water Treatment Technology Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-11-17
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a chemical method chlorine dioxide generator metering pump anti-siphon device, which relates to the technical field of disinfection equipment and solves the technical problem that the prior chlorine dioxide generator can generate siphon when preparing chlorine dioxide feeding, the utility model comprises a reactor body, wherein the reactor body is provided with a water inlet, a drug outlet and a residual liquid discharge port, the top of the reactor body is also provided with two feed inlets, a first feed pipe and a second feed pipe are respectively arranged outside the two feed inlets, the first feed pipe and the second feed pipe enter the feed inlets after sequentially passing through a bent pipe, a three-way feed pipe and a switch valve, the other ends of the three-way feed pipes on the first feed pipe and the second feed pipe are both connected with a three-way feed pipe mixing inlet, the other ends of the three-way feed pipe mixing inlet are connected with a breathing pipe communicated with the outside, the utility model discloses a matching of the three, the pressure difference between the first feeding pipe and the second feeding pipe is eliminated, the siphonage is removed, and the device has the advantage of simple structural principle.

Description

Anti-siphon device for metering pump of chemical chlorine dioxide generator

Technical Field

The utility model relates to a disinfecting equipment technical field, concretely relates to chemical method chlorine dioxide generator measuring pump anti-siphon device for solve the technical problem that siphon can take place in the chlorine dioxide feeding of current chlorine dioxide generator preparation.

Background

Chlorine dioxide is used as a novel oxidant and disinfectant, and has become outstanding in the field of water treatment due to high-efficiency, broad-spectrum, residue-free and byproduct-free disinfection capability and strong oxidation capabilities of decoloring, deodorizing, peculiar smell removing and the like. Compared with the traditional disinfectants such as ultraviolet rays, ozone, sodium hypochlorite, liquid chlorine and the like, the chlorine dioxide has unique advantages, and is the first choice of the industry, the chlorine dioxide has high-efficiency sterilization and long-acting disinfection, and functions of deodorization, deodorization and the like, so that the chlorine dioxide is more suitable for disinfection treatment of domestic water than chlorine gas, and is also commonly used for secondary water supply treatment of large, medium and small water plants, conventional and advanced treatment of tap water and deep well water, reclaimed water treatment, cyanogen treatment, dephenolization treatment of phenol-containing wastewater, sulfate reducing bacteria treatment in petroleum pipelines, and oxidation treatment of various industrial sewage and malodorous gas; chlorine dioxide has a fresh-keeping effect in the food industry, can effectively prevent the invasion of phylum bacteria, and is commonly used for the sterilization and disinfection of equipment, pipelines and containers of food processing plants, beverage plants, wineries, dairy plants and slaughter plants and the sterilization treatment of the surrounding environment, the treatment of water for cleaning vegetables and fruits, water for processing fishes and marine products and meat and poultry food, the treatment of steam in dairy processing, the sterilization treatment of various canned foods and the like.

The invention provides an anti-siphon device for a metering pump of a chemical chlorine dioxide generator, which is used for solving the technical problem that the working efficiency of a dryer is influenced due to the low air inlet efficiency of an air inlet valve of the existing air dryer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the technical problem that the siphon can be generated when the prior chlorine dioxide generator is used for preparing chlorine dioxide feeding, the utility model provides a chemical method chlorine dioxide generator metering pump anti-siphon device.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a chemical process chlorine dioxide generator measuring pump anti-siphon device, includes the reactor body, be equipped with filler, play medicine mouth and raffinate discharge port on the reactor body, reactor body top still is equipped with two feed inlets, and two feed inlets are connected with the inlet pipe one and the inlet pipe two that are used for adding different raw materials to the reactor body outward respectively, inlet pipe one and inlet pipe two all in proper order through return bend, inlet pipe tee bend, ooff valve then get into the feed inlet, the inlet pipe mixes the tee bend that admits air all to be connected to the inlet pipe tee bend other end on inlet pipe one and the inlet pipe two, the inlet pipe mixes the tee bend other end of admitting air and is connected with the respiratory tube with external intercommunication.

Furthermore, the first feeding pipe and the second feeding pipe are both provided with metering pumps.

Furthermore, a transparent measuring cylinder is arranged between the feeding pipe tee joint and the switch valve, and scales are marked on the measuring cylinder.

Further, still be equipped with the raffinate evacuation mouth on the reactor body, raffinate evacuation mouth and raffinate export are all connected to the recovery pond through the pipeline.

Further, a water jacket filled with hot water and used for heating reaction raw materials is arranged in the reactor body, a heating pipe is arranged at the lower end of the water jacket, a hot water emptying port communicated with the heating pipe is arranged on the reactor body, and the hot water emptying port is communicated with a drainage ditch through a pipeline.

Furthermore, the water jacket is provided with a liquid overflow port communicated with the drainage ditch through a pipeline.

Further, be equipped with air inlet and safety mouth on the reactor body, air inlet and safety mouth all are connected through tee bend and breathing pipe.

Furthermore, a one-way valve is arranged between the safety port and the tee joint.

Further, still be equipped with the discharge port on the reactor body, the discharge port passes through evacuation pipeline and waste water treatment equipment intercommunication, still be equipped with out the medicine mouth on the reactor body, it is connected with chlorine dioxide and throws the feeder tube to go out the medicine mouth outer, chlorine dioxide throws the feeder tube and is connected to pending water through the water dart.

Furthermore, the pipelines between the medicine outlet and the discharge port are respectively provided with a switch valve.

The utility model discloses the during operation: the sodium chlorate is added through the first inlet pipe, the hydrochloric acid is added through the second inlet pipe, the hydrochloric acid or the sodium chlorate enters through the bent pipe and reaches the measuring cylinder after passing through the third inlet pipe, at the moment, the third inlet pipe is communicated with the breathing pipe through the mixed inlet pipe tee joint, and the breathing pipe is communicated with the outside, so that the air pressure balance of the hydrochloric acid and the sodium chlorate reaching the measuring cylinder through the first inlet pipe and the second inlet pipe is effectively realized, the siphonage during feeding is effectively eliminated, and compared with the traditional method that a back pressure valve is additionally arranged in front of the bent pipe of the inlet pipe, the device has the advantages of simple structure, low failure rate, economy, practicality, convenience in maintenance, capability of monitoring and adjusting the flow balance of.

The utility model has the advantages as follows:

1. the utility model discloses a sodium chlorate is added to inlet pipe one, add hydrochloric acid through inlet pipe two, hydrochloric acid or sodium chlorate get into through the return bend and reach the graduated flask behind the inlet pipe tee bend, this moment because the inlet pipe tee bend mixes inlet three way and respiratory tube intercommunication through the inlet pipe, and respiratory tube and external intercommunication, thereby effectual realization is through the inlet pipe one and through the hydrochloric acid that inlet pipe two reached the graduated flask and the atmospheric pressure balance of sodium chlorate, thereby effectual siphon phenomenon when having eliminated the feeding, compare with traditional with add before the return bend of inlet pipe and establish the back pressure valve, and has simple structure, the fault rate is low, economical and practical, easy maintenance, and accessible valve conversion monitors advantages such as flow equilibrium of two kinds of raw materials of adjustment in the graduated flask.

2. All be equipped with the measuring pump on inlet pipe one and the inlet pipe two, can measure the volume of the internal hydrochloric acid of reactor and sodium chlorate into through setting up of measuring pump, improve the efficiency of preparation chlorine dioxide.

3. Be equipped with transparent graduated flask between inlet pipe tee bend and the ooff valve, the graduated flask superscript is equipped with the scale, through closing feed valve, observing two transparent graduated flask scale marks that are equipped with the scale, again unanimous metering pump flow adjustment, can further the accurate raw materials that get into this internal of reactor, ensures stock utilization.

4. Still be equipped with the raffinate evacuation mouth on the reactor body, raffinate evacuation mouth and raffinate export are all through pipe connection to recycle pool, through with raffinate evacuation mouth and raffinate exit linkage to recycle pool to raffinate recycle once more, can effectual save raw materials.

5. This internal water jacket that is used for heating reaction raw materials that is equipped with of reactor, the water jacket lower extreme is equipped with the heating pipe, this internal hot water evacuation mouth that is equipped with and the heating pipe intercommunication of reactor, hot water evacuation mouth passes through pipeline and escape canal intercommunication, through the setting of heating pipe, can improve this internal temperature of preparing the raw materials of reactor, and the molecule motion accelerates for reaction rate to improve the efficiency of chlorine dioxide preparation, be equipped with the overflow mouth through pipeline and escape canal intercommunication on the water jacket, can effectually prevent to add water excessively through the setting of overflow mouth.

6. Be equipped with air inlet and safety mouth on the reactor body, air inlet and safety mouth all are connected through tee bend and respiratory tube, still be equipped with the check valve between safety mouth and tee bend, through with air inlet and safety mouth and respiratory tube intercommunication, further communicate with external atmosphere to this internal atmospheric pressure of adjustment reactor.

7. Still be equipped with the discharge port on the reactor body, the discharge port passes through evacuation pipeline and waste water treatment device intercommunication, still be equipped with out the medicine mouth on the reactor body, it has chlorine dioxide to add the feeder tube to go out the medicine mouth external connection, chlorine dioxide is added the feeder tube and is connected to the pending aquatic through the water dart, all add on the pipeline between medicine mouth, discharge port and be equipped with the ooff valve, effectively avoid the material pollution pending water in the reactor through the setting of evacuation pipeline, have safety and sanitation, green, convenient operation's advantage.

Drawings

FIG. 1 is a schematic structural view of an anti-siphon device for a metering pump of a chemical chlorine dioxide generator;

reference numerals: 1-a reactor body, 2-a first feeding pipe, 3-a second feeding pipe, 4-a switch valve, 5-a measuring cylinder, 6-a bent pipe, 7-a feeding pipe tee joint, 8-a feeding pipe mixed air inlet tee joint, 9-a breathing pipe, 10-a chlorine dioxide feeding pipe, 11-an emptying pipeline, 12-a discharge port, 13-a medicine outlet, 14-a water filling port, 15-a liquid overflow port, 16-a residual liquid outlet, 17-a residual liquid emptying port, 18-a hot water emptying port, 19-a heating pipe and 20-a metering pump.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1, a chemical method chlorine dioxide generator measuring pump anti-siphon device, including reactor body 1, be equipped with filler 14 on the reactor body 1, go out medicine mouth 13 and raffinate discharge port 12, reactor body 1 top still is equipped with two feed inlets, two feed inlets are connected with respectively outward and are used for adding inlet pipe one 2 and inlet pipe two 3 of different raw materials to reactor body 1, inlet pipe one 2 and inlet pipe two 3 are all in proper order through return bend 6, inlet pipe tee bend 7, ooff valve 4 then get into the feed inlet, inlet pipe mixed inlet tee bend 8 is all connected to the other end of inlet pipe tee bend 7 on inlet pipe one 2 and the inlet pipe two 3, the other end of inlet pipe mixed inlet tee bend 8 is connected with respiratory tube 9 with external intercommunication.

Preferably, the feeding pipe I2 and the feeding pipe II 3 are both provided with a metering pump 20, and the amount of hydrochloric acid and sodium chlorate in the reactor body 1 can be metered through the metering pump 20, so that the efficiency of preparing chlorine dioxide is improved.

Preferably, be equipped with transparent graduated flask 5 between inlet pipe tee bend 7 and the ooff valve 4, graduated flask 5 superscript is equipped with the scale, and through the setting of transparent graduated flask 5 that is equipped with the scale, the raw materials that can further the accuracy get into in the reactor body 1 ensures the stock utilization ratio.

Preferably, the reactor body 1 is further provided with a residual liquid emptying port 17, the residual liquid emptying port 17 and the residual liquid outlet 16 are both connected to the recovery pond through pipelines, and the residual liquid emptying port 17 and the residual liquid outlet 16 are connected to the recovery pond so as to recycle the residual liquid, thereby effectively saving raw materials.

Preferably, a water jacket filled with hot water and used for heating reaction raw materials is arranged in the reactor body 1, a heating pipe 19 is arranged at the lower end of the water jacket, a hot water emptying port 18 communicated with the heating pipe 19 is arranged on the reactor body 1, the hot water emptying port 18 is communicated with a drainage ditch through a pipeline, and through the arrangement of the heating pipe 19, the temperature of the raw materials prepared in the reactor body 1 can be increased, the molecular motion is accelerated, the reaction rate is accelerated, and therefore the efficiency of preparing chlorine dioxide is improved.

Preferably, the water jacket is provided with an overflow port 15 communicated with the drainage ditch through a pipeline, and the amount of the added hot water can be effectively controlled through the arrangement of the overflow port 15, so that excessive water addition is prevented.

Preferably, be equipped with air inlet and safety mouth on the reactor body 1, air inlet and safety mouth all are connected through tee bend and respiratory tube 9, still are equipped with the check valve between safety mouth and the tee bend, through with air inlet and safety mouth and respiratory tube 9 intercommunication, further communicate with external atmosphere to the atmospheric pressure in the adjustment reactor body 1.

Preferably, still be equipped with discharge port 12 on the reactor body 1, discharge port 12 communicates with waste water treatment equipment through evacuation pipeline 11, still is equipped with out medicine mouth 13 on the reactor body 1, it is connected with chlorine dioxide and throws feeder tube 10 to go out medicine mouth 13 outer, chlorine dioxide throws feeder tube 10 and is connected to pending water through the water dart, all add on the pipeline between medicine mouth 13, discharge port 12 and be equipped with ooff valve 4, effectively avoid the material pollution pending water in the reactor through evacuation pipeline 11's setting, have green convenient operation's advantage.

Sodium chlorate is added through the first inlet pipe 2, hydrochloric acid is added through the second inlet pipe 3, hydrochloric acid or sodium chlorate enters through the bent pipe 6 and reaches the measuring cylinder 5 after passing through the third inlet pipe 7, at the moment, the third inlet pipe 7 is communicated with the breathing pipe 9 through the inlet pipe, and the breathing pipe 9 is communicated with the outside, so that the gas pressure balance of the hydrochloric acid and the sodium chlorate reaching the measuring cylinder 5 through the first inlet pipe 2 and the second inlet pipe 3 is effectively realized, the siphon phenomenon in the feeding process is effectively eliminated, compared with the traditional method that a back pressure valve is additionally arranged in front of the bent pipe 6 of the inlet pipe, the device has the advantages of simple structure, low failure rate, economy, practicality, convenience in maintenance, capability of monitoring and adjusting the flow balance of two raw materials in the measuring cylinder 5.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. An anti-siphon device for a metering pump of a chemical chlorine dioxide generator comprises a reactor body (1), it is characterized in that a water filling port (14), a medicine outlet (13) and a residual liquid discharge port (12) are arranged on the reactor body (1), the top of the reactor body (1) is also provided with two feed inlets, a first feed pipe (2) and a second feed pipe (3) which are used for adding different raw materials into the reactor body (1) are respectively connected outside the two feed inlets, the feeding pipe I (2) and the feeding pipe II (3) sequentially pass through the bent pipe (6), the feeding pipe tee joint (7) and the switch valve (4) and then enter the feeding hole, the other ends of the feeding pipe tee joints (7) on the feeding pipe I (2) and the feeding pipe II (3) are connected with a feeding pipe mixing air inlet tee joint (8), the other end of the feeding pipe mixed air inlet tee joint (8) is connected with a breathing pipe (9) communicated with the outside.

2. A chemical chlorine dioxide generator metering pump anti-siphon device, according to claim 1, characterized in that the metering pumps (20) are provided on the feeding pipe one (2) and the feeding pipe two (3).

3. The anti-siphon device for metering pump of chemical chlorine dioxide generator, according to claim 1, characterized in that a transparent measuring cylinder (5) is arranged between the three-way pipe (7) of the feeding pipe and the switch valve (4), and the measuring cylinder (5) is marked with scales.

4. The metering pump anti-siphon device for chemical chlorine dioxide generator according to claim 1, characterized in that the reactor body (1) is further provided with a raffinate drain (17), and the raffinate drain (17) and the raffinate outlet (16) are both connected to a recovery pond through pipelines.

5. The anti-siphon device for metering pump of chemical chlorine dioxide generator according to claim 1, characterized in that the reactor body (1) is provided with a water jacket filled with hot water for heating reaction raw materials, the lower end of the water jacket is provided with a heating pipe (19), the reactor body (1) is provided with a hot water drain opening (18) communicated with the heating pipe (19), and the hot water drain opening (18) is communicated with a drainage ditch through a pipeline.

6. The anti-siphon device for metering pump of chemical chlorine dioxide generator according to claim 5, characterized in that the water jacket is provided with an overflow port (15) communicated with the drainage ditch through a pipeline.

7. The anti-siphon device for metering pump of chemical chlorine dioxide generator according to claim 1, characterized in that the reactor body (1) is provided with an air inlet and a safety port, both of which are connected with the breathing tube (9) through a tee joint.

8. The anti-siphon device for metering pump of chemical chlorine dioxide generator as claimed in claim 7, wherein a check valve is further provided between said safety port and said tee.

9. The anti-siphon device for the metering pump of the chemical chlorine dioxide generator according to claim 1, characterized in that a discharge port (12) is further formed in the reactor body (1) for maintenance and overhaul, the discharge port (12) is communicated with wastewater treatment equipment through an emptying pipeline (11), a medicine outlet (13) is further formed in the reactor body (1), a chlorine dioxide feeding pipe (10) is connected to the outside of the medicine outlet (13), and the chlorine dioxide feeding pipe (10) is connected to water to be treated through a water injector.

10. The anti-siphon device for metering pump of chemical chlorine dioxide generator, according to claim 9, characterized in that the pipeline between the outlet (13) and the discharge outlet (12) is provided with a switch valve (4).