CN111468057B

CN111468057B - Ammonia water preparation equipment

Info

Publication number: CN111468057B
Application number: CN202010291675.1A
Authority: CN
Inventors: 雷萍
Original assignee: Yili Mingjun Chemical Technology Co ltd
Current assignee: Yili Mingjun Chemical Technology Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-09-03
Anticipated expiration: 2040-04-14
Also published as: CN111468057A

Abstract

The invention discloses an ammonia water preparation device, which replaces the existing ammonia water preparation device by using a water tank, a worker inputs a proper amount of pure water into a reaction tank through a water inlet unit, an ammonia gas inlet pipe inputs a proper amount of ammonia gas into the pure water in the reaction tank, the ammonia water is prepared by utilizing the characteristic that the ammonia gas is easily dissolved in water, a heat exchange unit takes the water inlet of the water inlet unit as a heat exchange source to exchange heat with the ammonia water in preparation, so that the heat generated in the ammonia water preparation process is absorbed, the prepared ammonia water is output from an ammonia water outlet pipe, the whole preparation process is carried out in a sealed reaction tank, the sealing performance in the preparation process is ensured, and further the ammonia water is prevented from volatilizing, and the ammonia water preparation device comprises: the reaction tank is arranged vertically; the ammonia gas inlet pipe enters from the bottom end of the reaction tank; the water inlet unit and the heat exchange unit are integrally connected in the reaction tank; and the ammonia water outlet pipe is connected to the side end of the reaction tank.

Description

Ammonia water preparation equipment

Technical Field

The invention relates to the technical field of chemical equipment, in particular to ammonia water preparation equipment.

Background

Ammonia water is also called Amonian water, and its main ingredient is NH 3. H2O, which is water solution of ammonia, colorless and transparent, and has pungent odor. The melting point of ammonia gas is-77 ℃, the boiling point is 36 ℃, and the density is 0.91g/cm³. Ammonia is easily dissolved in water and ethanol. Is volatile and has the general property of partial alkali, and the ammonia water is prepared by introducing ammonia gas into water. Ammonia gas is toxic, irritating and corrosive to eyes, nose and skin, and can suffocate people. The maximum allowable concentration in air is 30mg/m³。

In the prior art, generally, the ammonia gas is introduced into the water tank, the ammonia gas is prepared by utilizing the characteristic that the ammonia gas is easily dissolved in water, and in order to prevent the ammonia water from volatilizing in the water tank, a sealing cover needs to be additionally arranged on the notch of the water tank, but the ammonia water is difficult to ensure to be nonvolatile.

Disclosure of Invention

In order to achieve the purpose, the invention discloses ammonia water preparation equipment, which aims to solve the following problems: the problem of volatilization in the preparation process of ammonia water comprises the following steps:

the reaction tank is arranged vertically;

the ammonia gas inlet pipe enters from the bottom end of the reaction tank;

the water inlet unit and the heat exchange unit are integrally connected in the reaction tank;

and the ammonia water outlet pipe is connected to the side end of the reaction tank.

Preferably, the water inlet unit includes:

the water collecting chamber is connected to the position, close to the top end, in the reaction tank;

the water outlet end of the water inlet pipe with the pump is connected into the water collecting chamber from the side end of the reaction tank;

and the water outlet spray heads are connected to the bottom end of the water collecting chamber.

Preferably, the heat exchange unit comprises:

the rotating motor is connected to the top end of the reaction tank;

the rotating shaft is of a hollow structure, is vertically arranged in the center of the reaction tank, and one end of the rotating shaft is connected with the output end of the rotating motor;

the water inlet chamber is of an annular structure, the water inlet chamber is embedded in the central position of the water collecting chamber, the outer annular end of the water inlet chamber is communicated with the water collecting chamber, and the rotating shaft penetrates through the inner annular end of the water inlet chamber;

the annular water inlet groove is circumferentially arranged at the inner annular end of the water inlet chamber, and the bottom end of the annular water inlet groove is communicated with the water inlet chamber;

the water inlet holes are circumferentially formed in the position, close to the top end, of the side end of the rotating shaft, and the water inlet holes are communicated with the annular water inlet grooves;

the spiral pipe is connected outside the rotating shaft through a support, and two ends of the spiral pipe are communicated with the rotating shaft;

the water outlet chamber is of an annular structure, and the inner annular end of the water outlet chamber is connected to the position, close to the bottom end, of the side end of the rotating shaft;

the annular water outlet groove is circumferentially arranged at the inner ring end of the water outlet chamber, and the bottom end of the annular water outlet groove is communicated with the water outlet chamber;

the water outlets are circumferentially arranged at the positions, close to the bottom end, of the side end of the rotating shaft, and the water outlets are communicated with the annular water outlet groove;

one side of the water outlet pipe is connected with the side end of the water outlet chamber;

the water outlet pipe is far away from the water outlet chamber end and is penetrated and arranged the apopore is connected with the water collecting tank, and the water inlet end of the water inlet pipe with the pump is connected in the water collecting tank.

Preferably, the method further comprises the following steps:

the bearing mounting tables are respectively arranged at the positions of the inner ring end of the water inlet chamber close to the top end and the bottom end and the positions of the inner ring end of the water outlet chamber close to the top end and the bottom end;

and the rotating bearing is fixedly connected to the bearing mounting table, and the rotating shaft penetrates through the rotating bearing.

Preferably, the method further comprises the following steps:

the two fixed seats are symmetrically connected to the bottom end positions in the reaction tank by taking the rotating shaft as the center;

the rotating rod is transversely connected to the fixed seat;

the rotating blades are connected to the ends, close to the inner wall of the reaction tank, of the rotating rods;

the first bevel gear is connected to the end, far away from the rotating blades, of the rotating rod;

and the second bevel gear is connected to the bottom end of the rotating shaft and meshed with the first bevel gear.

Preferably, the ammonia gas inlet pipe is connected to the central position of the bottom end of the reaction tank.

Preferably, the method further comprises the following steps:

the vertical grooves are circumferentially arranged at the side end of the water collecting chamber;

the elastic steel bars are vertically connected to the inner wall of the reaction tank and penetrate through the vertical grooves, a preset distance is reserved between the bottom ends of the vertical grooves and the elastic steel bars, and the top ends of the elastic steel bars are arranged in a bending mode towards the direction of the rotating shaft;

the steel ball, the steel ball passes through connecting rope and rotation axis connection, the steel ball is located the collecting chamber top, just the steel ball is close to elasticity billet top setting.

Preferably, the method further comprises the following steps:

the first liquid level sensor is connected to the inner wall of the reaction tank and is positioned above the ammonia water outlet pipe;

the second liquid level sensor is connected to the inner wall of the reaction tank, is positioned above the first liquid level sensor and is arranged below the water outlet spray head;

the treater, the treater is connected on the retort outer wall, first level sensor, second level sensor, area pump inlet tube all are connected with the treater.

Preferably, the ammonia advances to be provided with the control valve on the pipe, the aqueous ammonia exit tube is according to having electric valve, the control valve with electric valve all with the treater is connected, works as when first level sensor does not detect the liquid level signal, the treater closes electric valve, works as first level sensor or when second level sensor detects the liquid level signal, the treater carries out following processing according to the liquid level signal:

A. the information of the first liquid level sensor or the second liquid level sensor is processed in a data mode;

wherein the content of the first and second substances,Pis the pressure at the bottom of the reaction tank,

the density of the ammonia water is set as the above,

is the density of the air in the reaction tank,

in order to be the acceleration of the gravity,

is a detection error caused by the floating of the liquid level,

the first liquid level sensor or the second liquid level sensor is away from the bottom of the reaction tank,

the distance between the ammonia water liquid level and the first liquid level sensor or the second liquid level sensor,

is a value of 1 or 2,

when the temperature of the water is higher than the set temperature,

the distance between the first liquid level sensor and the bottom of the reaction tank,

the distance between the ammonia water liquid level and the first liquid level sensor,

when the temperature of the water is higher than the set temperature,

the distance between the second liquid level sensor and the bottom of the reaction tank,

the distance between the ammonia water liquid level and the second liquid level sensor is obtained;

B. the processor adjusts the control valve to control the ammonia gas inlet pipe rate according to the following formula

In the above-mentioned formula,

the adjustment value of the control valve is,

as the current ammonia gas inlet pipe speed rate,

is a constant value, and is characterized in that,

the density of the ammonia gas is the density of the ammonia gas,

is the pressure at the bottom of the reaction tank,

in order to be the acceleration of the gravity,

is a detection error caused by the floating of the liquid level,

is a value of 1 or 2,

when the temperature of the water is higher than the set temperature,

when the temperature of the water is higher than the set temperature,

C. according to the following formula, the processor controls the water inflow of the water inlet pipe with the pump

In the above-mentioned formula,

the water inlet quantity of the water inlet pipe with the pump,

is the molar mass of the ammonia gas,

is the molar mass of water and is,

is a regulating value of the control valve,

the current ammonia gas inlet pipe rate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the water inlet unit of the present invention;

FIG. 3 is a schematic view of the structure of a heat exchange unit according to the present invention;

FIG. 4 is an enlarged view of reference character A in FIG. 3;

FIG. 5 is an enlarged view of reference number B in FIG. 3;

FIG. 6 is a first sectional view of a reaction tank according to the present invention;

FIG. 7 is a second sectional view of the reaction tank of the present invention;

fig. 8 is a control schematic diagram of the present invention.

In the figure: 1. a reaction tank; 2. ammonia gas inlet pipe; 3. a water inlet unit; 4. a heat exchange unit; 5. an ammonia water outlet pipe; 31. a water collection chamber; 32. a water inlet pipe with a pump; 33. a water outlet nozzle; 41. rotating the motor; 42. a rotating shaft; 43. a water inlet chamber; 44. an annular water inlet groove; 45. a water inlet hole; 46. a spiral tube; 47. a water outlet chamber; 48. an annular water outlet groove; 49. a water outlet hole; 40. a water outlet pipe; 51. a water collecting tank; 52. a rotating bearing; 53. a fixed seat; 54. a rotating rod; 55. a rotor blade; 56. a first bevel gear; 57. a second bevel gear; 61. a first liquid level sensor; 62. a second liquid level sensor; 63. a processor; 64. an elastic steel strip; 65. a steel ball; 66. a vertical slot.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

The invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, the ammonia water preparing apparatus provided in this embodiment includes:

the reaction tank 1 is vertically arranged;

an ammonia gas inlet pipe 2, wherein the ammonia gas inlet pipe 2 enters from the bottom end of the reaction tank 1;

the device comprises a water inlet unit 3 and a heat exchange unit 4, wherein the water inlet unit 3 and the heat exchange unit 4 are integrally connected into a reaction tank 1;

and the ammonia water outlet pipe 5 is connected to the side end of the reaction tank 1.

The working principle and the beneficial effects of the technical scheme are as follows:

the invention provides an ammonia water preparation device, which replaces the existing ammonia water preparation device by using a water tank, a worker inputs a proper amount of pure water into a reaction tank 1 through a water inlet unit 3, an ammonia gas inlet pipe 2 inputs a proper amount of ammonia gas into the pure water in the reaction tank 1, the ammonia water is prepared by using the characteristic that the ammonia gas is easily dissolved in water, a heat exchange unit 4 exchanges heat with the prepared ammonia water by using the water inlet of the water inlet unit 3 as a heat exchange source so as to absorb heat generated in the ammonia water preparation process, the prepared ammonia water is output from an ammonia water outlet pipe 5, the whole preparation process is carried out in a sealed reaction tank 1, the sealing property in the preparation process is ensured, and further the ammonia water is prevented from volatilizing.

As shown in fig. 2, in one embodiment of the present invention, the water inlet unit 3 includes:

a water collecting chamber 31, wherein the water collecting chamber 31 is connected to the position close to the top end in the reaction tank 1;

the water outlet end of the water inlet pipe with the pump 32 is connected into the water collecting chamber 31 from the side end of the reaction tank 1;

and the water outlet spray heads 33 are connected to the bottom end of the water collecting chamber 31.

take pump inlet tube 32 to import the pure water in the water-collecting chamber 31, go out water shower nozzle 33 and export the pure water in the water-collecting chamber 31, the pure water receives gravity to influence, free fall in retort 1 to gather bottom in retort 1, at this moment, ammonia advances pipe 2 and imports the ammonia from retort 1 bottom into the pure water that retort 1 bottom end gathered, the ammonia is dissolved in the pure water, according to the concentration of aqueous ammonia and the demand of volume, it can to let in proper amount pure water and ammonia in advance.

As shown in fig. 3 to 5, in an embodiment provided by the present invention, the heat exchange unit 4 includes:

the rotating motor 41, the rotating motor 41 is connected to the top end of the reaction tank 1;

the rotating shaft 42 is of a hollow structure, the rotating shaft 42 is vertically arranged at the center position in the reaction tank 1, and one end of the rotating shaft 42 is connected with the output end of the rotating motor 41;

the water inlet chamber 43 is of an annular structure, the water inlet chamber 43 is embedded in the central position of the water collecting chamber 31, the outer annular end of the water inlet chamber 43 is communicated with the water collecting chamber 31, and the rotating shaft 42 penetrates through the inner annular end of the water inlet chamber 43;

the annular water inlet groove 44 is formed in the inner annular end of the water inlet chamber 43 in the circumferential direction, and the bottom end of the annular water inlet groove 44 is communicated with the water inlet chamber 43;

the water inlet holes 45 are circumferentially formed in the position, close to the top end, of the side end of the rotating shaft 42, and the water inlet holes 45 are communicated with the annular water inlet groove 44;

the spiral pipe 46 is connected outside the rotating shaft 42 through a support, and two ends of the spiral pipe 46 are communicated with the rotating shaft 42;

the water outlet chamber 47 is of an annular structure, and the inner annular end of the water outlet chamber 47 is connected to the side end of the rotating shaft 42 and close to the bottom end;

the annular water outlet groove 48 is formed in the inner ring end of the water outlet chamber 47 in the circumferential direction, and the bottom end of the annular water outlet groove 48 is communicated with the water outlet chamber 47;

the water outlet holes 49 are circumferentially formed in the position, close to the bottom end, of the side end of the rotating shaft 42, and the water outlet holes 49 are communicated with the annular water outlet groove 48;

one end of the water outlet pipe 40 is connected with the side end of the water outlet chamber 47;

and the end of the water outlet pipe 40, which is far away from the water outlet chamber 47, penetrates through the water outlet hole 49 to be connected with the water collecting tank 51, and the water inlet end of the water inlet pipe 32 with the pump is connected into the water collecting tank 51.

the rotating motor 41 drives the rotating shaft 42 to rotate in the reaction tank 1, at the moment, the water inlet pipe 32 with the pump inputs the pure water in the water collecting tank 51 into the water collecting chamber 31, because the water inlet chamber 43 and the water collecting chamber 31 are communicated, part of the pure water is input into the reaction tank 1 through the water outlet nozzle 33, because the water inlet flow of the water inlet pipe 32 with the pump is larger than the pure water flow sprayed out from the water outlet nozzle 33, part of the pure water is input into the water inlet chamber 43 from the water collecting chamber 31, the pure water input into the water inlet chamber 43 is input into the annular water inlet groove 44, because the water inlet holes 45 are aligned with the notch position of the annular water inlet groove 44 all the time, further, the rotating shaft 42 is ensured in the rotating process, the pure water is input into the rotating shaft 42 through the water inlet holes 45 circumferentially arranged at the side end of the rotating shaft 42, part of the pure water falls from top to bottom in the rotating shaft 42, part of the pure water flows into the spiral pipe 46, and the pure water flowing to the bottom end of the rotating shaft 42 flows into the annular water outlet groove 48 through the water outlet hole 49, and flows into the water outlet chamber 47 from the bottom of the annular water outlet tank 48, and then flows back into the water collecting tank 51 through the water outlet pipe 40, at this time, the spiral pipe 46 rotates spirally in the reaction tank 1, the mobility of ammonia water is increased, the speed of ammonia gas dissolved in water is improved, and normal temperature pure water flows in the spiral pipe 46, the normal temperature pure water exchanges heat with the pure water reacted in the reaction tank 1 to drive the heat of the reaction ammonia water, the heat absorbed pure water flows back into the water collecting tank 51 through the water outlet pipe 40 to be cooled, the cooled pure water is input into the water collecting chamber 31 through the water inlet pipe with pump 32, the heat exchanged pure water circulates and operates in the water inlet chamber 43, the rotating shaft 42, the spiral pipe 46, the water outlet chamber 47 and the water collecting tank 51 all the time, the waste of pure water cannot be caused, the output power of the water inlet pipe with pump 32 is adjusted according to the flow of ammonia gas output from the ammonia gas inlet pipe 2, when the input power of the water inlet pipe with pump 32 is increased, go out water shower nozzle 33 blowout pure water flow increase, in step, the pure water velocity of flow accelerates in flowing into spiral pipe 46, heat exchange efficiency has been improved, the increase of rotating motor 41 input power, spiral pipe 46 is the rotational speed becomes fast in retort 1, the speed that the ammonia was dissolved in water has been improved, otherwise, when taking pump inlet tube 32 output to diminish, water shower nozzle 33 blowout pure water flow reduces, in step, the pure water velocity of flow slows down in flowing into spiral pipe 46, thereby satisfy the production demand of aqueous ammonia.

In one embodiment, the present invention further includes:

the bearing mounting tables are respectively arranged at the positions, close to the top end and the bottom end, of the inner ring end of the water inlet chamber 43 and the positions, close to the top end and the bottom end, of the inner ring end of the water outlet chamber 47;

the rotating bearing 52 is fixedly connected to the bearing mounting table, and the rotating shaft 42 penetrates through the rotating bearing 52.

The beneficial effects of the above technical scheme are:

the rotary bearing 52 is arranged to increase the sealing performance between the inner ring end of the water inlet chamber 43 and the rotary shaft 42 and between the inner ring end of the water outlet chamber 47 and the rotary shaft 42, and facilitate the rotation of the rotary shaft 42.

As shown in fig. 7, in an embodiment provided by the present invention, the method further includes:

the two fixed seats 53 are symmetrically connected to the bottom end position of the reaction tank 1 by taking the rotating shaft 42 as the center;

the rotating rod 54 is transversely connected to the fixed seat 53;

a rotating blade 55, wherein the rotating blade 55 is connected to the end of the rotating rod 54 close to the inner wall of the reaction tank 1;

a first bevel gear 56, wherein the first bevel gear 56 is connected to the end of the rotating rod 54 far away from the rotating blade 55;

a second bevel gear 57, wherein the second bevel gear 57 is connected to the bottom end of the rotating shaft 42, and the second bevel gear 57 is engaged with the first bevel gear 56.

when the rotating shaft 42 drives the spiral pipe 46 to rotate in the reaction tank 1, the second bevel gear 57 connected to the bottom end of the rotating shaft 42 drives the first bevel gear 56 to rotate, and then the rotating rod 54 connected with the first bevel gear 56 and the rotating blades 55 connected with the rotating rod 54 are sequentially driven to rotate, because the rotating blades 55 are symmetrically distributed at the bottom end of the reaction tank 1 by taking the rotating shaft 42 as the center, when ammonia is introduced from the center position of the bottom end of the reaction tank 1, part of the ammonia is upwards mixed into pure water under the action of pressure, at the moment, the rotating blades 55 symmetrically arranged at the output end of the ammonia inlet pipe 2 rotate, and part of the ammonia is introduced into the pure water and then is guided to the two sides, so that the ammonia is fully dissolved in the pure water.

In one embodiment of the present invention, the ammonia gas inlet pipe 2 is connected to the central position of the bottom end of the reaction tank 1.

the vertical grooves 63 are formed at the side end of the water collecting chamber 31 in the circumferential direction of the vertical grooves 63;

the elastic steel bar 64 is vertically connected to the inner wall of the reaction tank 1, the elastic steel bar 64 is arranged in the vertical groove 63 in a penetrating manner, a preset distance is reserved between the bottom end of the vertical groove 63 and the elastic steel bar 64, and the top end of the elastic steel bar 64 is arranged in a bending manner towards the direction of the rotating shaft 42;

the steel ball 65, the steel ball 65 is connected with the rotating shaft 42 through a connecting rope, the steel ball 65 is located at the top end of the water collecting chamber 31, and the steel ball 65 is arranged close to the top end of the elastic steel bar 64.

when rotating motor 41 and driving axis of rotation 42 and rotating, steel ball 65 is under the centrifugal force effect, use axis of rotation 42 to rotate as the center, connect the gradual level of rope, steel ball 65 hits and beats on elasticity billet 64 top, and then drive elasticity billet 64 vibrations, produce the shaking force, thereby play the effect of shaking to aqueous ammonia in retort 1, the efficiency of ammonia gas dissolved in the pure water has been improved, because steel ball 65 is located the collecting chamber 31 top, when axis of rotation 42 stall, steel ball 65 falls on collecting chamber 31 top, can not twine on spiral pipe 46, and because it sets up in collecting chamber 31 bottom to go out water shower nozzle 33, aqueous ammonia water level can not be higher than play water shower nozzle 33 in retort 1, consequently, steel ball 65 can not contact with the aqueous ammonia.

As shown in fig. 8, in an embodiment provided by the present invention, the method further includes:

the first liquid level sensor 61 is connected to the inner wall of the reaction tank 1, and is positioned above the ammonia water outlet pipe 5;

the second liquid level sensor 62 is connected to the inner wall of the reaction tank 1, and the second liquid level sensor 62 is positioned above the first liquid level sensor 61 and below the water outlet nozzle 33;

and the processor 63 is connected to the outer wall of the reaction tank 1, and the first liquid level sensor 61, the second liquid level sensor 62 and the water inlet pipe 32 with the pump are connected with the processor 63.

the first liquid level sensor 61 is used for monitoring the lowest water level of ammonia water in the reaction tank 1, the second liquid level sensor 62 is used for monitoring the highest water level of ammonia water in the reaction tank 1, when the ammonia water is lower than the first liquid level sensor 61, the first liquid level sensor 61 does not detect a liquid level signal, so that an excessively low water level signal of the ammonia water in the reaction tank 1 is sent to the processor 63, the processor 63 sends a closing instruction to an electric valve connected with the ammonia water outlet pipe 5, the electric valve is automatically closed, the ammonia water volatilized in the reaction tank 1 is prevented from volatilizing out of the ammonia water outlet pipe 5, environmental pollution is caused, the body health of an operator is damaged, when the ammonia water is higher than the second liquid level sensor 62, the second liquid level sensor detects a liquid level signal, so that an excessively high water level signal of the ammonia water in the reaction tank 1 is sent to the processor 63, and the processor 63 sends a stop instruction to the water inlet pipe 32 with a pump and the ammonia gas inlet pipe, the supply of pure water and ammonia gas was stopped.

In an embodiment provided by the present invention, a control valve is disposed on the ammonia gas inlet pipe, an electric valve is disposed on the ammonia gas outlet pipe, both the control valve and the electric valve are connected to the processor, when the first liquid level sensor does not detect a liquid level signal, the processor closes the electric valve, and when the first liquid level sensor or the second liquid level sensor detects a liquid level signal, the processor performs the following processing according to the liquid level signal:

the density of the ammonia water is set as the above,

is the density of the air in the reaction tank,

in order to be the acceleration of the gravity,

is a detection error caused by the floating of the liquid level,

is a value of 1 or 2,

when the temperature of the water is higher than the set temperature,

when the temperature of the water is higher than the set temperature,

D. the processor adjusts the control valve to control the ammonia gas inlet pipe rate according to the following formula

In the above-mentioned formula,

the adjustment value of the control valve is,

as the current ammonia gas inlet pipe speed rate,

is a constant value, and is characterized in that,

the density of the ammonia gas is the density of the ammonia gas,

is the pressure at the bottom of the reaction tank,

in order to be the acceleration of the gravity,

is a detection error caused by the floating of the liquid level,

is a value of 1 or 2,

when the temperature of the water is higher than the set temperature,

when the temperature of the water is higher than the set temperature,

E. according to the following formula, the processor controls the water inflow of the water inlet pipe with the pump

In the above-mentioned formula,

the water inlet quantity of the water inlet pipe with the pump,

is the molar mass of the ammonia gas,

is the molar mass of water and is,

is a regulating value of the control valve,

the current ammonia gas inlet pipe rate.

the treater is connected first level sensor, second level sensor, electric valve, control valve and is taken the pump inlet tube, and when the liquid level was low excessively in the retort, the treater could not receive first level sensor or second level sensor detects the liquid level signal and will close electric valve, receives as the treater first level sensor or second level sensor detects the liquid level signal after, can be according to the liquid level signal regulates and control the entering of control valve control ammonia, also can take the pump inlet tube to restrict the entering volume of water according to the entering condition control of ammonia simultaneously. Through the technology, the treater basis first level sensor or second level sensor's the measuring condition regulates and control, make aqueous ammonia preparation in-process reactant ammonia volatility minimum, and the measuring error that the liquid level floated and arouses is considered when detecting the liquid level, make the correlation calculation more accurate, when taking the entry quantity of pump inlet tube restriction water according to the entering condition control of ammonia, the reaction proportion of reactant when fully considering aqueous ammonia preparation, reduce the volatilization of ammonia, and the aqueous ammonia preparation system who makes through above-mentioned technical scheme reaches dynamic balance, and then make the product productivity high, the reactant is extravagant few.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. An aqueous ammonia preparation apparatus, characterized by comprising:

the reaction tank (1), the reaction tank (1) is arranged vertically;

the ammonia gas inlet pipe (2) enters from the bottom end of the reaction tank (1);

the reaction tank comprises a water inlet unit (3) and a heat exchange unit (4), wherein the water inlet unit (3) and the heat exchange unit (4) are integrally connected in the reaction tank (1);

the ammonia water outlet pipe (5), the ammonia water outlet pipe (5) is connected to the side end of the reaction tank (1);

the water inlet unit (3) comprises:

the water collecting chamber (31), the water collecting chamber (31) is connected to the position close to the top end in the reaction tank (1);

the water outlet end of the water inlet pipe (32) with the pump is connected into the water collecting chamber (31) from the side end of the reaction tank (1);

the water outlet nozzles (33), a plurality of the water outlet nozzles (33) are connected to the bottom end of the water collecting chamber (31);

the heat exchange unit (4) comprises:

the rotating motor (41), the rotating motor (41) is connected to the top end of the reaction tank (1);

the rotating shaft (42) is of a hollow structure, the rotating shaft (42) is vertically arranged at the center position in the reaction tank (1), and one end of the rotating shaft (42) is connected with the output end of the rotating motor (41);

the water inlet chamber (43) is of an annular structure, the water inlet chamber (43) is embedded in the center of the water collecting chamber (31), the outer ring end of the water inlet chamber (43) is communicated with the water collecting chamber (31), and the rotating shaft (42) penetrates through the inner ring end of the water inlet chamber (43);

the annular water inlet groove (44) is formed in the inner ring end of the water inlet chamber (43) in the circumferential direction, and the bottom end of the annular water inlet groove (44) is communicated with the water inlet chamber (43);

the water inlet holes (45) are circumferentially formed in the positions, close to the top ends, of the side ends of the rotating shaft (42), and the water inlet holes (45) are communicated with the annular water inlet groove (44);

the spiral pipe (46) is connected to the outside of the rotating shaft (42) through a support, and two ends of the spiral pipe (46) are communicated with the inside of the rotating shaft (42);

the water outlet chamber (47), the water outlet chamber (47) is of an annular structure, and the inner ring end of the water outlet chamber (47) is connected to the position, close to the bottom end, of the side end of the rotating shaft (42);

the annular water outlet groove (48) is formed in the inner ring end of the water outlet chamber (47) in the circumferential direction, and the bottom end of the annular water outlet groove (48) is communicated with the water outlet chamber (47);

the water outlets (49) are circumferentially formed in the position, close to the bottom end, of the side end of the rotating shaft (42), and the water outlets (49) are communicated with the annular water outlet groove (48);

one end of the water outlet pipe (40) is connected with the side end of the water outlet chamber (47);

the water outlet pipe (40) is far away from the water outlet chamber (47) and penetrates through the water outlet hole (49) and the water collecting tank (51), and the water inlet end of the water inlet pipe (32) with the pump is connected into the water collecting tank (51).

2. The apparatus for producing aqueous ammonia according to claim 1, characterized by further comprising:

the bearing mounting tables are respectively arranged at the positions, close to the top end and the bottom end, of the inner ring end of the water inlet chamber (43) and the positions, close to the top end and the bottom end, of the inner ring end of the water outlet chamber (47);

the rotating bearing (52), the rotating bearing (52) is fixedly connected to the bearing mounting table, and the rotating shaft (42) penetrates through the rotating bearing (52).

3. The apparatus for producing aqueous ammonia according to claim 1, characterized by further comprising:

the two fixed seats (53) are symmetrically connected to the bottom end position of the reaction tank (1) by taking the rotating shaft (42) as the center;

the rotating rod (54), the said rotating rod (54) is connected to the fixed seat (53) horizontally;

the rotating blade (55), the rotating blade (55) is connected to the end, close to the inner wall of the reaction tank (1), of the rotating rod (54);

the first bevel gear (56), the first bevel gear (56) is connected to the end, far away from the rotating blade (55), of the rotating rod (54);

a second bevel gear (57), wherein the second bevel gear (57) is connected to the bottom end of the rotating shaft (42), and the second bevel gear (57) is meshed with the first bevel gear (56).

4. An apparatus for the preparation of ammonia water according to claim 1, characterized in that said ammonia gas inlet pipe (2) is connected to the central position of the bottom end of the reaction tank (1).

5. The apparatus for producing aqueous ammonia according to claim 1, characterized by further comprising:

the vertical grooves (66) are formed in the circumferential direction of the water collecting chamber (31);

the reaction tank comprises an elastic steel bar (64), wherein the elastic steel bar (64) is vertically connected to the inner wall of the reaction tank (1), the elastic steel bar (64) penetrates through a vertical groove (66), a preset distance is reserved between the bottom end of the vertical groove (66) and the elastic steel bar (64), and the top end of the elastic steel bar (64) is arranged in a bending mode towards the direction of the rotating shaft (42);

steel ball (65), steel ball (65) are connected with axis of rotation (42) through connecting the rope, steel ball (65) are located water-collecting chamber (31) top, just steel ball (65) are close to elasticity billet (64) top setting.

6. The apparatus for producing aqueous ammonia according to claim 1, characterized by further comprising:

the first liquid level sensor (61), the first liquid level sensor (61) is connected to the inner wall of the reaction tank (1) and is positioned above the ammonia water outlet pipe (5);

the second liquid level sensor (62), the second liquid level sensor (62) is connected to the inner wall of the reaction tank (1), and the second liquid level sensor (62) is positioned above the first liquid level sensor (61) and below the water outlet nozzle (33);

the device comprises a processor (63), wherein the processor (63) is connected to the outer wall of the reaction tank (1), and the first liquid level sensor (61), the second liquid level sensor (62) and the water inlet pipe (32) with the pump are connected with the processor (63).

7. The ammonia water preparation apparatus of claim 6, wherein a control valve is disposed on the ammonia gas inlet pipe, an electric valve is disposed on the ammonia gas outlet pipe, the control valve and the electric valve are both connected to the processor, when the first liquid level sensor does not detect a liquid level signal, the processor closes the electric valve, and when the first liquid level sensor or the second liquid level sensor detects a liquid level signal, the processor performs the following processing according to the liquid level signal: