CN212882308U - Ammonia water preparation device - Google Patents
Ammonia water preparation device Download PDFInfo
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- CN212882308U CN212882308U CN202021467676.9U CN202021467676U CN212882308U CN 212882308 U CN212882308 U CN 212882308U CN 202021467676 U CN202021467676 U CN 202021467676U CN 212882308 U CN212882308 U CN 212882308U
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- ammonia
- ammonia water
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Abstract
The utility model discloses an ammonia water preparation device, which consists of an ammonia water mixer and a tubular heat exchanger which are connected and operate independently; the ammonia water mixer is including the mixing chamber, the mixing chamber lower extreme is equipped with the liquid ammonia distribution tube sheet, the outside of liquid ammonia distribution tube sheet is equipped with the liquid ammonia distribution chamber, be equipped with the liquid ammonia entry on the liquid ammonia distribution chamber, the downside and the upside of mixing chamber are equipped with desalinized water entry and hot ammonia export respectively, be equipped with aqueous ammonia mixing tube sheet, mesh board and mesh board down from the desalinized water entry in the mixing chamber to the order between the hot ammonia export, wherein the aqueous ammonia mixing tube of mesh board one side under the orientation is connected in the discharge orifice of aqueous ammonia mixing tube sheet, be equipped with the liquid ammonia distributing pipe that the diameter is less than the diameter of aqueous ammonia mixing tube in the aqueous ammonia mixing tube, the one end of liquid ammonia distributing pipe is connected in the discharge orifice of liquid ammonia distribution tube sheet. The utility model has the characteristics of the safety risk is little, low in labor strength, and equipment is not fragile, and the noise is little.
Description
Technical Field
The utility model relates to a liquid preparation device, in particular to an ammonia water preparation device.
Background
The aqueous ammonia is the absorbing important substance of sulphur system acid tail gas, and at sulphur system acid enterprise, the quantity of aqueous ammonia is very huge, consequently, aqueous ammonia preparation system is the essential equipment in the sulphur system acid system, and its effect is with pure liquid ammonia and desalinized water mixture to form the aqueous ammonia of certain concentration, supply the tail to inhale the use.
I department's traditional aqueous ammonia is prepared for the manual work and is prepared, and the preparation device that uses is glass steel ammonia groove, directly mixes in pouring liquid ammonia and desalinized water into the ammonia groove by the workman, and its main problem that exists is: (1) the safety risk is high, and the ammonia poisoning accident is easy to happen when an operator frequently switches on and off the liquid ammonia valve; (2) the labor intensity is high, the first stage is manually prepared for 2 times every day, the second stage is manually prepared for 1 time every day, and about 4 hours are needed for preparing 10 tons of ammonia water each time; (3) the glass fiber reinforced plastic ammonia water tank is easy to damage, and because no cooling and heat exchange means is adopted in the ammonia water preparation process, if the temperature of desalted water is higher than 40 ℃, the temperature of the prepared ammonia water is higher than 65 ℃, and the glass fiber reinforced plastic can be damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aqueous ammonia preparation ware. The utility model has the characteristics of the safety risk is little, low in labor strength, and equipment is not fragile, and the noise is little.
The technical scheme of the utility model: an ammonia water preparation device consists of an ammonia water mixer and a tubular heat exchanger which are connected and operate independently; the ammonia water mixer is including the mixing chamber, and the mixing chamber lower extreme is equipped with liquid ammonia distribution tube sheet, and the outside of liquid ammonia distribution tube sheet is equipped with liquid ammonia distribution chamber, is equipped with the liquid ammonia entry on the liquid ammonia distribution chamber, and the downside and the upside of mixing chamber are equipped with desalinized water entry and hot ammonia export respectively, hot ammonia export with the shell and tube heat exchanger links to each other, and the self-desalinized water entry is equipped with ammonia water mixing tube sheet, mesh plate and net mesh plate down to the order between the hot ammonia export in the mixing chamber, and wherein the flowing hole in-connection of ammonia water mixing tube sheet has the ammonia water mixing tube of mesh plate one side down, is equipped with the liquid ammonia distributing pipe that the diameter is less than the diameter of ammonia water mixing tube in the ammonia water mixing tube, and the one end of liquid ammonia distributing tube sheet is connected.
In the ammonia water preparation device, the upper end and the lower end of the tubular heat exchanger are respectively provided with the circulating water inlet and the circulating water outlet, the upper side and the lower side of the shell pass of the tubular heat exchanger are respectively provided with the cold ammonia water outlet and the hot ammonia water inlet, and the hot ammonia water inlet is connected with the hot ammonia water outlet through the conduit.
The utility model has the advantages that:
the utility model has the advantages that the sealed mixing chamber is arranged, the liquid ammonia and the desalted water are directly sent into the mixing chamber through the pipeline for mixing, the manual operation time is reduced, and the safety risk is reduced; meanwhile, long-time operation of workers is not needed, and the labor intensity is greatly reduced; in addition, because the utility model discloses an aqueous ammonia is after mixing, through shell and tube heat exchanger heat transfer cooling at once, has reduced the temperature of aqueous ammonia, has prolonged the life of equipment.
In addition, the utility model is provided with the liquid ammonia distributing pipe and the ammonia water mixing pipe with different calibers, the liquid ammonia is firstly pumped into the mixing chamber through the liquid ammonia distributing pipe, if the liquid ammonia directly enters the cavity of the mixing chamber to be mixed with the desalted water in the pumping process, the impact force is larger, the desalted water generates larger vibration, and noise is formed; and establish the aqueous ammonia hybrid tube through outside cover, in the aqueous ammonia hybrid tube is filled into earlier to liquid ammonia, the demineralized water in the aqueous ammonia hybrid tube mixes the back with liquid ammonia earlier under the impact of liquid ammonia and dashes out the aqueous ammonia hybrid tube forward, the demineralized water continues to get into from the lower extreme of aqueous ammonia hybrid tube under the effect of negative pressure, and mix with the continuous liquid ammonia of flowing of liquid ammonia distributing pipe, thereby form the aqueous ammonia after mixing in the mixing chamber, because the impact range is little, under the effect of aqueous ammonia hybrid tube, noise when greatly reduced prepares.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the ammonia mixer of the present invention.
Description of reference numerals: the device comprises a 1-ammonia water mixer, a 2-tubular heat exchanger, a 3-liquid ammonia distribution tube plate, a 4-liquid ammonia distribution chamber, a 5-liquid ammonia inlet, a 6-desalted water inlet, a 7-hot ammonia water outlet, an 8-ammonia water mixing tube plate, a 9-lower mesh plate, a 10-upper mesh plate, an 11-ammonia water mixing tube, a 12-liquid ammonia distribution tube, a 13-packing layer, a 14-circulating water inlet, a 15-circulating water outlet, a 16-hot ammonia water inlet, a 17-cold ammonia water outlet, an 18-conduit and a 19-mixing chamber.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
The embodiment of the utility model provides a:
an ammonia water preparation device is shown in figure 1-2, and comprises an ammonia water mixer 1 and a tube heat exchanger 2 which are connected and operate independently; the ammonia water mixer 1 comprises a mixing chamber 19, a liquid ammonia distribution tube plate 3 is arranged at the lower end of the mixing chamber 19, a liquid ammonia distribution chamber 4 is arranged on the outer side of the liquid ammonia distribution tube plate 3, a liquid ammonia inlet 5 is arranged on the liquid ammonia distribution chamber 4, a desalted water inlet 6 and a hot ammonia water outlet 7 are respectively arranged on the lower side and the upper side of the mixing chamber 19, the hot ammonia water outlet 7 is connected with the tube still heat exchanger 2, an ammonia water mixing tube plate 8, a lower mesh plate 9 and an upper mesh plate 10 are sequentially arranged in the mixing chamber 19 from the desalted water inlet 6 to the hot ammonia water outlet 7, wherein the discharge orifice in-connection of aqueous ammonia mixing tube sheet 8 has the aqueous ammonia mixing tube 11 towards mesh board 9 one side down, is equipped with the liquid ammonia distributing pipe 12 that the diameter is less than the diameter of aqueous ammonia mixing tube 11 in the aqueous ammonia mixing tube 11, and the one end of liquid ammonia distributing pipe 12 is connected in the discharge orifice of liquid ammonia distributing tube sheet 3, be equipped with packing layer 13 down between mesh board 9 and the mesh board 10.
Liquid ammonia enters the liquid ammonia distribution chamber 4 through the liquid ammonia inlet 5 during mixing, and is injected into the ammonia water mixing tube 11 through the liquid ammonia distribution tube 12, meanwhile, low-temperature desalted water enters the lower part of the ammonia water mixing tube plate 8 in the mixing chamber 19 from the desalted water inlet 6, because the liquid ammonia injected from the liquid ammonia distribution tube 12 flows upwards in the ammonia water mixing tube 11, negative pressure is formed at the lower end of the ammonia water mixing tube 11, so that desalted water below the ammonia water mixing tube plate 8 is continuously pumped into the space above the ammonia water mixing tube plate 8 through the ammonia water mixing tube 11, the preparation of ammonia water is realized, the prepared ammonia water is immediately discharged through the hot ammonia water outlet 7 after being treated by the conventional packing layer 13 and enters the tubular heat exchanger 2 for heat exchange and cooling, and the temperature rise of the ammonia water,
the tube type heat exchanger 2 is a conventional graphite tube type heat exchanger, a circulating water inlet 14 and a circulating water outlet 15 are respectively arranged at the upper end and the lower end of the tube type heat exchanger 2, a cold ammonia water outlet 17 and a hot ammonia water inlet 16 are respectively arranged at the upper side and the lower side of the shell pass of the tube type heat exchanger 2, and the hot ammonia water inlet 16 is connected with the hot ammonia water outlet 7 through a conduit 18.
During the test of the project of the embodiment, when the flow of the prepared liquid ammonia is 300 kg/h, the vibration of the ammonia water preparation device is small, and the temperature of the prepared ammonia water is about 30 ℃; when the flow of liquid ammonia is increased by 400 kg/h, the vibration of the ammonia water preparation device is small, and the temperature of the prepared ammonia water is about 33 ℃; when the flow of the liquid ammonia is increased by 500 kg/h, the vibration of the ammonia water preparation device is small, and the temperature of the prepared ammonia water is about 36 ℃. The conclusion of the trial run is that the ammonia water preparation device of this embodiment can completely meet the production requirement when the flow of liquid ammonia is about 500 kg/h (i.e. the preparation amount of ammonia water is 5 ton/h), the vibration is small, and the temperature for preparing ammonia water is less than 40 ℃.
The above description is only for the purpose of illustrating the present invention and the appended claims, and the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (2)
1. An aqueous ammonia preparation ware which characterized in that: the device consists of an ammonia water mixer (1) and a tube heat exchanger (2) which are connected and operate independently; the ammonia water mixer (1) comprises a mixing chamber (19), a liquid ammonia distribution tube plate (3) is arranged at the lower end of the mixing chamber (19), a liquid ammonia distribution chamber (4) is arranged on the outer side of the liquid ammonia distribution tube plate (3), a liquid ammonia inlet (5) is arranged on the liquid ammonia distribution chamber (4), a desalted water inlet (6) and a hot ammonia water outlet (7) are respectively arranged on the lower side and the upper side of the mixing chamber (19), the hot ammonia water outlet (7) is connected with the tubular heat exchanger (2), an ammonia water mixing tube plate (8), a lower mesh plate (9) and an upper mesh plate (10) are sequentially arranged between the desalted water inlet (6) and the hot ammonia water outlet (7) in the mixing chamber (19), wherein an ammonia water mixing tube (11) facing one side of the lower mesh plate (9) is connected in an overflowing hole of the ammonia water mixing tube plate (8), and a liquid ammonia distribution tube (12) with a diameter smaller than that of the ammonia water mixing tube (, one end of a liquid ammonia distribution pipe (12) is connected in the flow passing hole of the liquid ammonia distribution pipe plate (3), and a packing layer (13) is arranged between the lower mesh plate (9) and the upper mesh plate (10).
2. The ammonia dispenser of claim 1, wherein: and the upper end and the lower end of the tube heat exchanger (2) are respectively provided with a circulating water inlet (14) and a circulating water outlet (15), the upper side and the lower side of the shell pass of the tube heat exchanger (2) are respectively provided with a cold ammonia water outlet (17) and a hot ammonia water inlet (16), and the hot ammonia water inlet (16) is connected with the hot ammonia water outlet (7) through a conduit (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021467676.9U CN212882308U (en) | 2020-07-23 | 2020-07-23 | Ammonia water preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021467676.9U CN212882308U (en) | 2020-07-23 | 2020-07-23 | Ammonia water preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212882308U true CN212882308U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021467676.9U Active CN212882308U (en) | 2020-07-23 | 2020-07-23 | Ammonia water preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212882308U (en) |
-
2020
- 2020-07-23 CN CN202021467676.9U patent/CN212882308U/en active Active
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