Ammonia water preparation assembly

Abstract

The utility model relates to the technical field of ammonia water preparation devices, in particular to an ammonia water preparation assembly which comprises an ammonia dissolving box, a first liquid level meter is fixedly connected to the surface of the ammonia dissolving box, a first demineralized water pipeline is fixedly connected to the surface of the ammonia dissolving box, and a first manual door is movably connected to the surface of the first demineralized water pipeline. And the surface of the first demineralized water pipeline is fixedly connected with an anti-explosion electric door. According to the automatic ammonia preparation device, manual operation is not needed in the ammonia preparation process, the safety of workers is guaranteed, the ammonia preparation concentration and the height of the liquid level of the chemical box can be freely set, the ammonia dissolving box enters the chemical adding room in the form of ammonia, the production efficiency of the device is improved, and the production cost is reduced. The liquid level of the liquid medicine in the dissolving box is controlled by adjusting the electrically operated gate, local and remote operation can be achieved, the concentration of the liquid medicine in the dissolving box is concerned at any time through the conductivity meter, excessive dosing is avoided, and the accuracy of ammonia water preparation is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of ammonia water preparation devices, in particular to an ammonia water preparation component. Background Art

[0002] Ammonia water, also known as ammonia water, refers to an aqueous solution of ammonia, the main component of which is NH3·H2O. It is colorless, transparent and has a pungent odor. Ammonia water is volatile and has the general properties of some alkalis. It is made by passing ammonia gas into water. Ammonia water is an important reagent in laboratories, mainly used as an analytical reagent, neutralizer, alkaloid leaching agent, aluminum salt synthesis and weak alkaline solvent. It is also used for the detection and determination of certain elements (such as copper and nickel).

[0003] The water supply system of thermal power plants generally uses ammonia to adjust the pH. At present, most of the ammonia water is prepared into a certain concentration and then added to the water supply system of the unit. During the preparation of ammonia water, people will come into contact with ammonia water, which has a certain impact on occupational safety. At the same time, when using ammonia water and desalted water to prepare ammonia water in the dosing room through an automatic ammonia preparation device, the electrical equipment in the dosing room needs to be upgraded to explosion-proof type, otherwise there may be a risk of explosion. Utility Model Content

[0004] The purpose of the utility model is to provide an ammonia water preparation component to solve the problems existing in the prior art mentioned in the above background technology, and to provide an improved safe automatic ammonia preparation device and an automatic ammonia preparation method, which do not require manual operation during the preparation of ammonia water, and the concentration of the ammonia and the height of the liquid level in the medicine box can be freely set.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ammonia water preparation component, including an ammonia dissolution box, a first liquid level gauge is fixedly connected to the surface of the ammonia dissolution box, a first desalted water pipe is fixedly connected to the surface of the ammonia dissolution box, a first manual door is movably connected to the surface of the first desalted water pipe, an explosion-proof electric door is fixedly connected to the surface of the first desalted water pipe, an ammonia delivery pipe is arranged on the surface of the ammonia dissolution box, a waste liquid discharge port is arranged on the surface of the ammonia dissolution box, an agitator is movably connected inside the ammonia dissolution box, an ammonia solution tank is arranged on one side of the ammonia dissolution box, a second desalted water pipe is fixedly connected to the surface of the ammonia solution box, a desalted water electric door is fixedly connected to the surface of the second desalted water pipe, A manual door for desalted water is movably connected to the ammonia solution tank, a conductivity sensor is arranged inside the ammonia solution tank, a second liquid level gauge is fixedly connected inside the ammonia solution tank, a compressed air electric regulating valve is movably connected to the top of the ammonia solution tank, a manual door for compressed air is movably connected to the top of the ammonia solution tank, an ammonia distribution main pipe is fixedly connected to the surface of the ammonia solution tank, a first ammonia electric regulating valve is fixedly connected to the surface of the ammonia distribution main pipe, a manual ammonia primary door is movably connected to the surface of the ammonia distribution main pipe, an ammonia pressure reducing assembly is arranged on the surface of the ammonia distribution main pipe, the ammonia solution tank is fixedly connected to the ammonia main pipe, a second ammonia electric regulating valve is fixedly connected to the surface of the ammonia main pipe, and a manual ammonia door is movably connected to the surface of the ammonia main pipe.

[0006] Preferably, an on-site ammonia area is provided on one side of the ammonia dissolution tank, and the ammonia supply pipelines from the on-site ammonia area to the 4#, 5# and 6# furnaces are connected to form an ammonia main pipe of the ammonia distribution system through corresponding manual doors and electric doors.

[0007] Preferably, the first manual door and explosion-proof electric door are arranged on the surface of the first desalted water pipe, and the ammonia gas enters the ammonia dissolution box in which the water has been drained after being depressurized by the ammonia decompression system. The agitator automatically starts and rotates synchronously with the opening of the ammonia preparation system, and automatically closes after the conductivity of the second desalted water pipe reaches us / cm.

[0008] Preferably, the desalted water electric door and the desalted water manual door are arranged on the surface of the second desalted water pipe, an ammonia pipe is arranged between the ammonia dissolution tank and the ammonia solution tank, and an ammonia manual door and an ammonia electric door are arranged on the ammonia pipe.

[0009] Preferably, the conductivity sensor is arranged in a block shape inside the ammonia solution tank, the second liquid level meter is arranged in a rod shape inside the ammonia solution tank, and the ammonia dissolution tank is connected to the ammonia delivery pump through an ammonia delivery pipe.

[0010] Preferably, the first ammonia electric regulating valve, ammonia manual primary door and ammonia pressure reducing assembly are all arranged on the surface of the ammonia main pipe, and the second ammonia electric regulating valve and ammonia manual door are arranged on the surface of the ammonia main pipe.

[0011] Preferably, a compressed air pipeline is connected above the ammonia solution tank, and the compressed air pipeline is connected to the compressed air inlet electric regulating valve and the compressed air inlet manual door in sequence.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. This automatic ammonia preparation device does not require manual operation during the preparation of ammonia water, which ensures the safety of the staff. The concentration of ammonia and the height of the liquid level in the medicine box can be freely set, and the ammonia dissolution box enters the dosing room in the form of ammonia water, which improves the production efficiency of this device. The liquid level of the dissolution box can be controlled by adjusting the electric door, which can be operated locally and remotely. The dissolution box has a conductivity meter to always pay attention to the concentration of the liquid to avoid over-dosing and ensure the accuracy of ammonia preparation.

[0014] 2. Through the waste liquid discharge port, the ammonia waste liquid is discharged into the pit and then discharged to the unit drainage tank by the wastewater transfer pump, and then discharged to industrial wastewater by the unit drainage tank wastewater pump to avoid pollution to the environment. Through the fire sprinkler system, when leakage occurs during the ammonia preparation process and reaches the alarm value, the sprinkler will be started, so that the ammonia gas will dissolve in water to form ammonia water and be discharged, thereby ensuring the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of a cross-sectional perspective view of the ammonia dissolving box structure of the utility model;

[0017] Figure 3 This is a schematic sectional perspective view of the structure of the ammonia solution tank of the utility model;

[0018] Figure 4 It is a partial three-dimensional schematic diagram of the ammonia main pipe and the gas ammonia main pipe structure of the utility model;

[0019] Figure 5 For this utility model Figure 4 Schematic diagram of the cross-section of the central ammonia main pipe structure.

[0020] In the figure: 1. Ammonia dissolution tank; 2. First liquid level gauge; 3. First desalted water pipeline; 4. First manual door; 5. Explosion-proof electric door; 6. Ammonia delivery pipe; 7. Waste liquid outlet; 8. Agitator; 9. Ammonia solution tank; 10. Second desalted water pipeline; 11. Desalted water electric door; 12. Desalted water manual door; 13. Conductivity sensor; 14. Second liquid level gauge; 15. Compressed air inlet electric regulating valve; 16. Compressed air inlet manual door; 17. Ammonia main pipe; 18. First gas ammonia electric regulating valve; 19. Gas ammonia manual primary door; 20. Ammonia pressure reducing assembly; 21. Gas ammonia main pipe; 22. Second gas ammonia electric regulating valve; 23. Gas ammonia manual door. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 , an embodiment provided by the utility model:

[0023] An ammonia water preparation component comprises an ammonia dissolution tank 1, a first liquid level gauge 2 is fixedly connected to the surface of the ammonia dissolution tank 1, a first desalted water pipeline 3 is fixedly connected to the surface of the ammonia dissolution tank 1, a first manual door 4 is movably connected to the surface of the first desalted water pipeline 3, an explosion-proof electric door 5 is fixedly connected to the surface of the first desalted water pipeline 3, an ammonia delivery pipe 6 is arranged on the surface of the ammonia dissolution tank 1, a waste liquid discharge port 7 is arranged on the surface of the ammonia dissolution tank 1, an agitator 8 is movably connected inside the ammonia dissolution tank 1, an ammonia solution tank 9 is arranged on one side of the ammonia dissolution tank 1, a second desalted water pipeline 10 is fixedly connected to the surface of the ammonia solution tank 9, a desalted water electric door 11 is fixedly connected to the surface of the ammonia dissolution tank 1, a desalted water manual door 12 is movably connected to the surface of the second desalted water pipeline 10, a conductivity sensor 13 is arranged inside the ammonia solution tank 9, a second liquid level gauge 14 is fixedly connected inside the ammonia solution tank 9, a compressed air electric regulating valve 15 is movably connected to the top of the ammonia solution tank 9, and a compressed air manual door 16 is movably connected to the top of the ammonia solution tank 9, The surface of the ammonia solution tank 9 is fixedly connected to an ammonia main pipe 17, the surface of the ammonia main pipe 17 is fixedly connected to a first ammonia electric regulating valve 18, the surface of the ammonia main pipe 17 is movably connected to an ammonia manual primary door 19, the surface of the ammonia main pipe 17 is provided with an ammonia pressure reducing assembly 20, the surface of the ammonia solution tank 9 is fixedly connected to an ammonia main pipe 21, the surface of the ammonia main pipe 21 is fixedly connected to a second ammonia electric regulating valve 22, the surface of the ammonia main pipe 21 is movably connected to an ammonia manual door 23, through The function of the waste liquid discharge port 7 is to discharge the ammonia waste liquid into the pit and then discharge it to the unit drainage trough by the wastewater delivery pump, and then discharge it to the industrial wastewater by the unit drainage trough wastewater pump, so as to avoid pollution to the environment and the project. The fire sprinkler system is arranged above the ammonia dissolution tank 1 and the ammonia solution tank 9, and the fire sprinkler water source is industrial water. When ammonia leakage occurs during the automatic ammonia preparation process of the ammonia dissolution tank 1 and the ammonia solution tank 9 and reaches the alarm value, it will automatically spray, so that the ammonia gas is dissolved in water to form ammonia water and discharged, thereby ensuring the safety of the use of this device.

[0024] Furthermore, an on-site ammonia area is set on one side of the ammonia dissolution tank 1, and the ammonia supply pipelines from the on-site ammonia area to the 4#, 5# and 6# furnaces are connected to the ammonia main pipe of the ammonia mixing system through corresponding manual doors and electric doors. Through the action of the ammonia mixing system, automatic ammonia mixing is achieved without manual operation, thus avoiding the risks to the body caused by manual ammonia mixing.

[0025] Furthermore, a first manual door 4 and an explosion-proof electric door 5 are arranged on the surface of the first desalted water pipe 3, and the ammonia gas enters into the drained ammonia dissolution tank 1 after being decompressed by the ammonia decompression system. The agitator 8 automatically starts and rotates synchronously with the start of the ammonia preparation system, and automatically closes after the conductivity of the second desalted water pipe reaches 1000us / cm. The first manual door 4 is always in a fully open state, and the liquid level of the medicine in the ammonia dissolution tank 1 is controlled by controlling the explosion-proof electric door 5 to realize remote control operation, avoid excessive addition of medicine, and thus improve the accuracy of ammonia preparation.

[0026] Furthermore, the desalted water electric door 11 and the desalted water manual door 12 are arranged on the surface of the second desalted water pipe 10, an ammonia pipeline is arranged between the ammonia dissolution tank 1 and the ammonia solution tank 9, and an ammonia manual door and an ammonia electric door are arranged on the ammonia pipeline. Through the functions of the desalted water electric door 11 and the desalted water manual door 12, automatic remote control of the amount of liquid added is achieved, thereby improving the efficiency of ammonia water production.

[0027] Furthermore, the conductivity sensor 13 is block-shaped and arranged inside the ammonia solution tank 9, and the second liquid level meter 14 is rod-shaped and arranged inside the ammonia solution tank 9. The ammonia dissolution tank 1 is connected to the ammonia delivery pump through the ammonia delivery pipe 6. The conductivity sensor 13 is used to control the liquid medicine in the ammonia solution tank 9. The second liquid level meter 14 is used to control the height of the liquid medicine through an external CNC box, thereby solving the error caused by manual dispensing.

[0028] Furthermore, the first ammonia electric regulating valve 18, the ammonia manual primary door 19 and the ammonia pressure reducing assembly 20 are all arranged on the surface of the ammonia main pipe 17, and the second ammonia electric regulating valve 22 and the ammonia manual door 23 are arranged on the surface of the ammonia main pipe 21. Through the action of the first ammonia electric regulating valve 18, the ammonia manual primary door 19 and the ammonia pressure reducing assembly 20, and the ammonia manual primary door 19 is in an open state, under the action of the ammonia pressure reducing assembly 20, the ammonia dissolution tank 1 and the ammonia solution tank 9 are depressurized to avoid damage to the equipment caused by excessive pressure, thereby greatly improving the safety of the device.

[0029] Furthermore, a compressed air pipeline is connected to the top of the ammonia solution tank 9, and the compressed air pipeline is connected to the compressed air inlet electric regulating valve 15 and the compressed air inlet manual door 16 in sequence. Through the functions of the compressed air inlet electric regulating valve 15 and the compressed air inlet manual door 16, the air supply in the ammonia solution tank 9 is realized to ensure the stable progress of the ammonia preparation process.

[0030] Working principle:

[0031] When working, drain the ammonia dissolving tank 1 to be prepared with ammonia water until the liquid level reaches 900mm, check whether the conductivity indicator in the ammonia dissolving tank 1 is normal, start the agitator 8 and check whether it is running normally, and report to the duty manager before opening the ammonia main gas pipe 21 to the isolation door of the automatic ammonia preparation system, and inform the furnace side monitoring personnel and the ammonia area monitoring personnel to pay attention to the ammonia supply pressure and prepare for accidents caused by ammonia supply pressure fluctuations to prevent nitrogen oxides from exceeding the limit. After opening the primary and secondary isolation doors of the ammonia main gas pipe 21 to the automatic ammonia preparation system, immediately arrange personnel to carry an ammonia leak detector to check the pipeline to the automatic ammonia preparation system. Perform a comprehensive leak check. If there is an ammonia leak, immediately close the primary and secondary isolation doors. After checking that there is no leakage in the pipeline, slowly open the gas ammonia to the ammonia dissolution tank 1. At this time, pay close attention to the pressure gauge pressure not exceeding 0.10MPa, the conductivity readings of each ammonia leak detector and the ammonia dissolution tank 1 to prevent the pressure reducing valve from malfunctioning and causing ammonia overflow. Then slowly adjust the ammonia pressure reducing assembly 20, observe that the pressure gauge pressure is stable between 0.05-0.10MPa, and close the gas ammonia when the conductivity in the ammonia dissolution tank 1 rises to 1000us / cm in the second desalted water pipeline. At this point, automatic ammonia preparation is completed.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An ammonia water preparation assembly, comprising an ammonia dissolution tank (1), characterized in that: The surface of the ammonia dissolution tank (1) is fixedly connected to a first liquid level gauge (2), the surface of the ammonia dissolution tank (1) is fixedly connected to a first desalted water pipeline (3), the surface of the first desalted water pipeline (3) is movably connected to a first manual door (4), the surface of the first desalted water pipeline (3) is fixedly connected to an explosion-proof electric door (5), the surface of the ammonia dissolution tank (1) is provided with an ammonia delivery pipe (6), the surface of the ammonia dissolution tank (1) is provided with a waste liquid discharge outlet (7), the interior of the ammonia dissolution tank (1) is movably connected to an agitator (8), an ammonia solution tank (9) is provided on one side of the ammonia dissolution tank (1), the surface of the ammonia solution tank (9) is fixedly connected to a second desalted water pipeline (10), the surface of the ammonia dissolution tank (1) is fixedly connected to a desalted water electric door (11), the surface of the second desalted water pipeline (10) is movably connected to a desalted water manual door (12), the interior of the ammonia solution tank (9) is provided with a A conductivity sensor (13) is provided. A second liquid level meter (14) is fixedly connected inside the ammonia solution tank (9). A compressed air electric regulating valve (15) is movably connected to the top of the ammonia solution tank (9). A compressed air manual door (16) is movably connected to the top of the ammonia solution tank (9). An ammonia main pipe (17) is fixedly connected to the surface of the ammonia solution tank (9). A first ammonia electric regulating valve (18) is fixedly connected to the surface of the ammonia main pipe (17). A manual ammonia primary door (19) is movably connected to the surface of the ammonia main pipe (17). An ammonia pressure reducing assembly (20) is provided on the surface of the ammonia main pipe (17). An ammonia main pipe (21) is fixedly connected to the surface of the ammonia main pipe (21). A second ammonia electric regulating valve (22) is fixedly connected to the surface of the ammonia main pipe (21). A manual ammonia door (23) is movably connected to the surface of the ammonia main pipe (21).

2. An ammonia water preparation assembly according to claim 1, characterized in that: An on-site ammonia area is arranged on one side of the ammonia dissolving box (1), and ammonia supply pipelines from the on-site ammonia area to the 4#, 5# and 6# furnaces are connected to form an ammonia main pipe of the ammonia distribution system via corresponding manual doors and electric doors.

3. An ammonia water preparation assembly according to claim 1, characterized in that: The first manual door (4) and the explosion-proof electric door (5) are arranged on the surface of the first desalted water pipe (3), and the ammonia gas enters the ammonia dissolution tank (1) which has been drained after being depressurized by the ammonia decompression system. The agitator (8) automatically starts and rotates synchronously with the start of the ammonia preparation system, and automatically closes after the conductivity of the second desalted water pipe (10) reaches 00us / cm.

4. The ammonia water preparation assembly according to claim 1, characterized in that: The desalted water electric door (11) and the desalted water manual door (12) are arranged on the surface of the second desalted water pipeline (10), an ammonia pipeline is arranged between the ammonia dissolution tank (1) and the ammonia solution tank (9), and an ammonia manual door and an ammonia electric door are arranged on the ammonia pipeline.

5. The ammonia water preparation assembly according to claim 1, characterized in that: The conductivity sensor (13) is arranged in a block shape inside the ammonia solution tank (9), the second liquid level meter (14) is arranged in a rod shape inside the ammonia solution tank (9), and the ammonia dissolution tank (1) is connected to an ammonia delivery pump via an ammonia delivery pipe (6).

6. The ammonia water preparation assembly according to claim 1, characterized in that: The first ammonia electric regulating valve (18), the ammonia manual primary door (19) and the ammonia pressure reducing assembly (20) are all arranged on the surface of the ammonia main pipe (17), and the second ammonia electric regulating valve (22) and the ammonia manual door (23) are arranged on the surface of the ammonia main pipe (21).

7. The ammonia water preparation assembly according to claim 1, characterized in that: A compressed air pipeline is connected above the ammonia solution tank (9), and the compressed air pipeline is connected in sequence to the compressed air inlet electric regulating valve (15) and the compressed air inlet manual door (16).

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