CN116443891A - System for preparing ammonia water from liquid ammonia - Google Patents
System for preparing ammonia water from liquid ammonia Download PDFInfo
- Publication number
- CN116443891A CN116443891A CN202310124148.5A CN202310124148A CN116443891A CN 116443891 A CN116443891 A CN 116443891A CN 202310124148 A CN202310124148 A CN 202310124148A CN 116443891 A CN116443891 A CN 116443891A
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- CN
- China
- Prior art keywords
- ammonia
- water
- liquid ammonia
- liquid
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 174
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 title claims abstract description 127
- 235000011114 ammonium hydroxide Nutrition 0.000 title claims abstract description 125
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 107
- 238000002360 preparation method Methods 0.000 claims abstract description 42
- 238000003860 storage Methods 0.000 claims abstract description 34
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 30
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims description 24
- 239000000945 filler Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 239000002351 wastewater Substances 0.000 abstract description 5
- 238000009834 vaporization Methods 0.000 abstract description 4
- 230000008016 vaporization Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000004090 dissolution Methods 0.000 abstract description 2
- 238000002309 gasification Methods 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 6
- 238000010612 desalination reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229930013930 alkaloid Natural products 0.000 description 1
- 150000003797 alkaloid derivatives Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/022—Preparation of aqueous ammonia solutions, i.e. ammonia water
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention relates to the technical field of ammonia water preparation by liquid ammonia, and discloses a system for preparing ammonia water by liquid ammonia, which comprises a desalted water conveying system and a liquid ammonia conveying system, wherein the desalted water conveying system comprises a desalted water storage tank, the desalted water storage tank is connected with a desalted water pump through a pipeline I in a penetrating way, and the desalted water pump is connected with an ammonia water preparation device through a pipeline II in a penetrating way. Through adopting the distributor multiple spot to annotate ammonia to the aqueous ammonia preparation ware, form the high-efficient mixing process at multiple interfaces, the dissolution rate of liquid ammonia has been accelerated greatly, improve aqueous ammonia preparation efficiency, through sending tail gas into the tail gas absorption jar, flow into demineralized water storage tank after the shower water recovery gas ammonia, do not produce waste water, through the solution heat of ammonia far more than the hot principle of liquid ammonia vaporization, utilize circulating water and liquid ammonia heat transfer earlier, the circulating water of temperature is reduced again preliminary cooling aqueous ammonia, later aqueous ammonia carries out the heat transfer with liquid ammonia, the required heat of liquid ammonia gasification is provided by aqueous ammonia, whole mechanism is highly automated, can realize not manual intervention after equipment start-up is normal, automatic operation.
Description
Technical Field
The invention relates to the technical field of ammonia water preparation by liquid ammonia, in particular to an ammonia water preparation system by liquid ammonia.
Background
Ammonia is an important reagent in laboratory, and is mainly used as an analysis reagent, a neutralizer, an alkaloid leaching agent, an aluminum salt synthesis and a weak alkaline solvent, and is used for the aluminum salt synthesis and the verification and determination of certain elements, so as to precipitate hydroxides of various elements.
Although the types and the number of the existing ammonia water generators are very large, the existing ammonia water generators still have certain problems, and certain inconvenience is brought to the use of the ammonia water generators;
the prior liquid ammonia-ammonia water preparation device has the following technical problems:
1. the process production period is long;
2. waste water is generated by tail gas absorption, so that environmental pollution is caused;
3. the energy utilization efficiency is low.
Therefore, a system for preparing ammonia water from liquid ammonia is provided.
Disclosure of Invention
The invention aims to provide a system for preparing ammonia water from liquid ammonia, which improves the working efficiency of preparing ammonia water from liquid ammonia and reduces the occupied area of equipment, so as to solve the problems of long process production period, waste water generated by tail gas absorption, environmental pollution and low energy utilization efficiency of a liquid ammonia-ammonia water preparation device.
In order to achieve the above purpose, the present invention provides the following technical solutions: the system comprises a desalted water conveying system and a liquid ammonia conveying system, wherein the desalted water conveying system comprises a desalted water storage tank;
the demineralized water storage tank is connected with a demineralized water pump through a pipeline I, and the demineralized water pump is connected with an ammonia water preparation device through a pipeline II;
the liquid ammonia conveying system comprises a liquid ammonia conveying pipeline, and one end of the liquid ammonia conveying pipeline is communicated with the interior of the ammonia water preparation device;
the ammonia water preparation ware is through three through connection of pipeline has the ammonia water storage tank, the demineralized water storage tank top is link up and is provided with the tail gas absorption jar, the ammonia water storage tank is through pipeline four and the inside setting that link up of tail gas absorption jar.
Preferably, one end of the demineralized water storage tank is provided with a demineralized water inlet, and the output end of the demineralized water pump is communicated with the inside of the tail gas absorption tank through a pipeline five.
Preferably, a thermometer I is arranged on the circulating water outlet pipe at one side of the ammonia water preparation device, and a pressure gauge is arranged on the circulating water inlet pipe at one side of the ammonia water preparation device.
Preferably, a liquid ammonia shut-off valve, a liquid ammonia regulating valve, a safety valve, a check valve and a ball valve are sequentially arranged on the liquid ammonia conveying pipeline, and a desalted water regulating valve and a desalted water flowmeter are sequentially arranged on the pipeline II.
Preferably, the top end of the ammonia water storage tank is provided with a breather valve, and the third pipeline is sequentially provided with an ammonia water densimeter and a second thermometer.
Preferably, the ammonia water preparation device comprises an ammonia water preparation device shell, a mixer and a main heat exchanger are arranged on the left and right sides inside the ammonia water preparation device shell, a liquid ammonia evaporator is arranged below the mixer, and an ammonia water cooler is arranged below the main heat exchanger.
Preferably, the liquid ammonia evaporator, the main heat exchanger and the ammonia water cooler are all internally provided with tubular heat exchangers, a desalted water distributor, a pall ring filler and an ammonia distributor are sequentially arranged in the mixer from top to bottom, the upper end and the lower end of the pall ring filler are respectively provided with a lower supporting net and an upper supporting net, ammonia nozzles are uniformly arranged on the bottom surface of the ammonia distributor, and desalted water nozzles are uniformly arranged on the bottom surface of the desalted water distributor.
Preferably, the mixer ammonia water outlet is formed in one side of the mixer, the top end of the tubular heat exchanger in the main heat exchanger is in through connection with the mixer ammonia water outlet, the main heat exchanger ammonia water outlet is formed in one side of the main heat exchanger, the top end of the tubular heat exchanger in the ammonia water cooler is fixedly connected with the bottom end of the tubular heat exchanger in the main heat exchanger in a through manner, the circulating water outlet of the liquid ammonia evaporator is formed in one side of the liquid ammonia evaporator, the circulating water outlet of the liquid ammonia evaporator is connected with the inner part of the main heat exchanger in a through manner through a pipeline six, the ammonia water cooler ammonia outlet is formed in one side of the ammonia water cooler, the ammonia outlet of the ammonia water cooler is connected with the ammonia distributor in a through manner through a pipeline seven, the ammonia outlet of the liquid ammonia evaporator is formed in one side of the liquid ammonia evaporator, and the top end of the tubular heat exchanger in the liquid ammonia evaporator is fixedly connected with the pipeline seven in a through manner.
Compared with the prior art, the invention has the beneficial effects that: the ammonia water system for preparing the liquid ammonia,
1) The ammonia water preparation device adopts a distributor to carry out multipoint ammonia injection to form a multi-interface efficient mixing process, so that the dissolution speed of liquid ammonia is greatly accelerated, and the ammonia water preparation efficiency is improved;
2) The tail gas is sent into a tail gas absorption tank, and the spray water flows into a desalted water storage tank after gas ammonia is recovered, so that no waste water is generated;
3) According to the principle that the solution heat of ammonia is far greater than the vaporization heat of liquid ammonia, the circulating water and the liquid ammonia are firstly utilized to exchange heat, the circulating water with the water temperature reduced is then utilized to primarily cool ammonia water, then the ammonia water and the liquid ammonia are subjected to heat exchange, and the heat required by the vaporization of the liquid ammonia is provided by the ammonia water;
3) The whole mechanism is highly automatic, and the equipment can realize automatic operation without manual intervention after being started normally.
Drawings
FIG. 1 is a flow chart of the overall structure of the present invention;
FIG. 2 is a front cross-sectional view of the structure of the ammonia water generator of the present invention;
FIG. 3 is a bottom view of the ammonia sparger of the present invention;
fig. 4 is a bottom view of the demineralized water distributor structure of the present invention.
In the figure: a desalted water storage tank 1, a desalted water pump 2, a tail gas absorption tank 3,
Ammonia water preparation device 4:
an ammonia water preparation housing 401, a liquid ammonia evaporator 402, a mixer 403, a main heat exchanger 404, an ammonia water cooler 405, a demineralized water distributor 407, a pall ring packing 408, a lower support net 409, an upper support net 410, an ammonia distributor 411, a mixer ammonia water outlet 412, a main heat exchanger ammonia water outlet 413, a liquid ammonia evaporator circulating water outlet 414, an ammonia water cooler ammonia outlet 415, a liquid ammonia evaporator ammonia outlet 416,
the device comprises an ammonia water storage tank 5, a liquid ammonia shut-off valve 6, a liquid ammonia regulating valve 7, a safety valve 8, a check valve 9, a ball valve 10, a pressure gauge 11, a first thermometer 12, an ammonia water densimeter 13, a second thermometer 14, a desalted water regulating valve 15, a desalted water flowmeter 16 and a breather valve 17.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the ammonia water system for preparing the liquid ammonia comprises a desalted water conveying system and a liquid ammonia conveying system, wherein the desalted water conveying system comprises a desalted water storage tank 1;
the demineralized water storage tank 1 is connected with a demineralized water pump 2 through a pipeline I, and the demineralized water pump 2 is connected with an ammonia water preparation device 4 through a pipeline II;
the liquid ammonia conveying system comprises a liquid ammonia conveying pipeline, and one end of the liquid ammonia conveying pipeline is communicated with the interior of the ammonia water preparation device 4;
the ammonia water preparation device 4 is connected with an ammonia water storage tank 5 through a pipeline III, a tail gas absorption tank 3 is arranged above the desalted water storage tank 1 in a through way, the ammonia water storage tank 5 is arranged inside the tail gas absorption tank 3 in a through way through a pipeline IV, one end of the desalted water storage tank 1 is provided with a desalted water inlet, the output end of a desalted water pump 2 is arranged inside the tail gas absorption tank 3 in a through way through a pipeline V, a circulating water outlet pipe on one side of the ammonia water preparation device 4 is provided with a thermometer I12, a circulating water inlet pipe on one side of the ammonia water preparation device 4 is provided with a pressure gauge 11, a liquid ammonia delivery pipeline is sequentially provided with a liquid ammonia cut-off valve 6, a liquid ammonia regulating valve 7, a safety valve 8, a check valve 9 and a ball valve 10, a desalted water regulating valve 15 and a desalted water flowmeter 16 are sequentially arranged on a pipeline II, the top end of the ammonia water storage tank 5 is provided with a breathing valve 17, and a circulating water densimeter 13 and a thermometer II 14 are sequentially arranged on the pipeline III;
the ammonia water preparation device 4 comprises an ammonia water preparation device shell 401, a mixer 403 and a main heat exchanger 404 are arranged on the left and right sides inside the ammonia water preparation device shell 401, a liquid ammonia evaporator 402 is arranged below the mixer 403, an ammonia water cooler 405 is arranged below the main heat exchanger 404, tubular heat exchangers are arranged inside the liquid ammonia evaporator 402, the main heat exchanger 404 and the ammonia water cooler 405, a demineralized water distributor 407, pall ring fillers 408 and an ammonia gas distributor 411 are sequentially arranged inside the mixer 403 from top to bottom, a lower supporting net 409 and an upper supporting net 410 are respectively arranged at the upper end and the lower end of the pall ring fillers 408, ammonia gas nozzles are uniformly arranged on the bottom surface of the ammonia gas distributor 411, a demineralized water nozzle is uniformly arranged on the bottom surface of the demineralized water distributor 407, a water outlet 412 is arranged on one side of the mixer 403, a main heat exchanger 404 is in a penetrating connection with the mixer ammonia water outlet 412, a main heat exchanger 413 is arranged on one side of the main heat exchanger 404, a tubular heat exchanger outlet 413 inside the ammonia water cooler 405 is fixedly penetrating through the tubular heat exchanger outlet 413 of the main heat exchanger, a tubular heat exchanger 414 is arranged on one side of the liquid ammonia evaporator 402, a tubular heat exchanger 414 is penetrating through the tubular heat exchanger 414 on one side of the ammonia water evaporator and the ammonia water evaporator, a seven-ammonia water outlet 415 is penetrating through the tubular heat exchanger 416 is fixedly penetrating through the tubular heat exchanger outlet 415, and the ammonia water outlet 415 is fixedly penetrating through the ammonia water outlet of the ammonia water evaporator, and the ammonia water evaporator outlet 415 is arranged on one side of the ammonia water evaporator, and the ammonia water evaporator has a seven side of the ammonia water outlet is fixedly penetrating through the tubular heat exchanger 416;
the demineralized water conveying system is provided with a flowmeter and a regulating valve on a pipeline, the demineralized water is conveyed to the ammonia water preparation device by a multistage centrifugal pump, and the flow of the demineralized water is regulated by the flow regulating valve;
the liquid ammonia conveying system is used for decompressing liquid ammonia through the regulating valve and then enabling the liquid ammonia to enter the ammonia water preparation device, and the pressure transmitter is used for controlling the liquid ammonia regulating valve in an interlocking manner after decompressing to control the flow of the liquid ammonia;
the tail gas of the ammonia water storage tank is sent into the tail gas absorption tank, flows into the demineralized water storage tank after being sprayed and absorbed, and spray water is conveyed from the demineralized water storage tank to the tail gas absorption tank by a multistage centrifugal pump for spraying, so that the tail gas is absorbed. The tail gas absorption process does not produce waste water and does not cause environmental pollution.
In the circulating water system, because the liquid ammonia is gasified to absorb a large amount of heat, ammonia is dissolved in water to release a large amount of heat, and the solution heat of the ammonia is far greater than the vaporization heat of the liquid ammonia. Therefore, the circulating water of the ammonia water preparation device firstly gasifies the liquid ammonia, the circulating water after cooling can lead the generated ammonia water to be better cooled, and then the ammonia water exchanges heat with the liquid ammonia, so that the ammonia water is further cooled. The heat exchange process has high energy utilization efficiency, does not need to additionally provide other heat exchange media, and reduces the cost.
When in use, the device produces 8% ammonia water with the production capacity of 500kg/h through desalted water and liquid ammonia; calculating the dosage of liquid ammonia (40 kg /) h and desalted water (460 kg/h) according to the concentration and the production quantity of ammonia water, firstly, controlling the inlet quantity of the liquid ammonia through the opening degree of a liquid ammonia regulating valve 7, wherein the liquid ammonia enters an ammonia water preparation device 5 at a stable flow rate, controlling the flow rate of the desalted water through the interlocking of an ammonia water densimeter 13, and reducing the flow rate of the desalted water if the concentration of the produced ammonia water is lower than 8%; the concentration of the produced ammonia water is higher than 8%, and then the flow of desalted water is increased;
the device is provided with an electrical control device and adopts automatic control: the liquid ammonia conveying pipeline is provided with a liquid ammonia regulating valve 7 and a pressure transmitter, the pressure transmitter interlocks and controls the liquid ammonia regulating valve 7 after depressurization, the flow of liquid ammonia is further controlled, the liquid ammonia pressure is 3.0MPa, the depressurization of the liquid ammonia through the liquid ammonia regulating valve 7 is 0.2-0.3 MPa, the temperature difference between a heating medium and a medium to be heated is generally larger, the higher the heat exchange efficiency is, the return water temperature of circulating water is 30-40 ℃, the lower the boiling point is when the liquid ammonia pressure is lower, the boiling point of liquid ammonia is-8.9-1.6 ℃ when the liquid ammonia pressure is 0.2-0.25 MPa, the consumption of liquid ammonia is met, the higher gasification efficiency can be ensured, the outlet of the ammonia water preparation device 4 is provided with an ammonia densimeter 13, and the salt removal regulating valve 7 is interlockingly controlled. When the ammonia concentration is lower than 8%, the regulating valve is turned down, and when the ammonia concentration is higher than 8%, the desalted water regulating valve 15 is turned up. The demineralized water storage tank 1 and the ammonia water storage tank 5 are provided with liquid level meters, the liquid level meters control the interlocking liquid ammonia shut-off valve 6 and the demineralized water regulating valve 15, and when the liquid level of the demineralized water storage tank 1 is extremely low or the liquid level of the ammonia water storage tank 5 is extremely high, the liquid ammonia shut-off valve 6 and the demineralized water regulating valve 15 are shut off. The desalination water pump 2 is in linkage control with the desalination water regulating valve 15 and the liquid ammonia cut-off valve 6, when the desalination water pump 2 does not work, the liquid ammonia cut-off valve 6 and the desalination water regulating valve 15 are cut off, and the whole system stops running.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a liquid ammonia preparation aqueous ammonia system, includes demineralized water conveying system and liquid ammonia conveying system, its characterized in that: the desalted water conveying system comprises a desalted water storage tank (1);
the demineralized water storage tank (1) is connected with a demineralized water pump (2) through a first pipeline, and the demineralized water pump (2) is connected with an ammonia water preparation device (4) through a second pipeline;
the liquid ammonia conveying system comprises a liquid ammonia conveying pipeline, and one end of the liquid ammonia conveying pipeline is communicated with the interior of the ammonia water preparation device (4);
the ammonia water preparation ware (4) are through three through connection of pipeline have ammonia water storage tank (5), the demineralized water storage tank (1) top link up and are provided with tail gas absorption jar (3), ammonia water storage tank (5) are through four and the inside setting that link up of tail gas absorption jar (3) of pipeline.
2. The system for preparing ammonia water from liquid ammonia according to claim 1, wherein: one end of the demineralized water storage tank (1) is provided with a demineralized water inlet, and the output end of the demineralized water pump (2) is communicated with the inside of the tail gas absorption tank (3) through a pipeline five.
3. The system for preparing ammonia water from liquid ammonia according to claim 1, wherein: the circulating water outlet pipe at one side of the ammonia water preparation device (4) is provided with a thermometer I (12), and the circulating water inlet pipe at one side of the ammonia water preparation device (4) is provided with a pressure gauge (11).
4. The system for preparing ammonia water from liquid ammonia according to claim 1, wherein: the liquid ammonia conveying pipeline is sequentially provided with a liquid ammonia cut-off valve (6), a liquid ammonia regulating valve (7), a safety valve (8), a check valve (9) and a ball valve (10), and the pipeline II is sequentially provided with a desalted water regulating valve (15) and a desalted water flowmeter (16).
5. The system for preparing ammonia water from liquid ammonia according to claim 1, wherein: the top of the ammonia water storage tank (5) is provided with a breather valve (17), and the third pipeline is sequentially provided with an ammonia water densimeter (13) and a second thermometer (14).
6. The system for preparing ammonia water from liquid ammonia according to claim 1, wherein: the ammonia water preparation ware (4) include ammonia water preparation ware casing (401), be equipped with blender (403) and main heat exchanger (404) about ammonia water preparation ware casing (401) inside, blender (403) below is provided with liquid ammonia evaporator (402), main heat exchanger (404) below is provided with ammonia water cooler (405).
7. The system for preparing ammonia water from liquid ammonia according to claim 6, wherein: liquid ammonia evaporator (402), main heat exchanger (404) and ammonia water cooler (405) are inside all to be provided with tubular heat exchanger, inside from last demineralized water distributor (407), pall ring filler (408) and ammonia distributor (411) that have set gradually down of blender (403), the both ends are equipped with lower support net (409) and upper support net (410) respectively about pall ring filler (408), ammonia spout has evenly been seted up to ammonia distributor (411) bottom surface, demineralized water distributor (407) bottom surface evenly is equipped with demineralized water nozzle.
8. The system for preparing ammonia water from liquid ammonia according to claim 7, wherein: mixer ammonia water outlet (412) have been seted up on one side of blender (403), inside tubular heat exchanger top and blender ammonia water outlet (412) link up and are connected, main heat exchanger ammonia water outlet (413) have been seted up on one side of main heat exchanger (404), main heat exchanger ammonia water outlet (413) are fixed running through on tubular heat exchanger top inside ammonia water cooler (405) and the inside tubular heat exchanger bottom link up and are connected of main heat exchanger (404), liquid ammonia evaporator circulating water outlet (414) have been seted up on one side of liquid ammonia evaporator (402), liquid ammonia evaporator circulating water outlet (414) link up with main heat exchanger (404) inside through six pipelines, ammonia water cooler ammonia outlet (415) have been seted up on one side of ammonia water cooler (405), ammonia water cooler ammonia outlet (415) link up and are connected with ammonia distributor (411) through seven pipelines, liquid ammonia evaporator ammonia outlet (416) have been seted up on one side of liquid ammonia evaporator (402), inside tubular heat exchanger top is fixed running through liquid ammonia evaporator (416) and is link up with liquid ammonia pipeline seven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310124148.5A CN116443891A (en) | 2023-02-16 | 2023-02-16 | System for preparing ammonia water from liquid ammonia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310124148.5A CN116443891A (en) | 2023-02-16 | 2023-02-16 | System for preparing ammonia water from liquid ammonia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116443891A true CN116443891A (en) | 2023-07-18 |
Family
ID=87119063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310124148.5A Pending CN116443891A (en) | 2023-02-16 | 2023-02-16 | System for preparing ammonia water from liquid ammonia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116443891A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104211087A (en) * | 2014-07-15 | 2014-12-17 | 天津奥利环保设备有限公司 | Preparing system and preparing technology of high-concentration ammonia water |
| CN105478023A (en) * | 2016-01-04 | 2016-04-13 | 江西江氨科技有限公司 | Ammonia water preparation system |
| CN109173760A (en) * | 2018-10-11 | 2019-01-11 | 云南净世环保科技有限公司 | A kind of environment-friendly type liquefied ammonia dilution system and its production method |
| CN210261140U (en) * | 2019-06-12 | 2020-04-07 | 山东晋煤明升达化工有限公司 | Ammonia water preparation system capable of simultaneously preparing ammonia water with two concentrations |
| CN215886386U (en) * | 2021-09-13 | 2022-02-22 | 惠州市华达通气体制造股份有限公司 | Ammonia water preparation system |
| CN217025363U (en) * | 2022-05-09 | 2022-07-22 | 和远潜江电子特种气体有限公司 | Device for preparing industrial ammonia water |
-
2023
- 2023-02-16 CN CN202310124148.5A patent/CN116443891A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104211087A (en) * | 2014-07-15 | 2014-12-17 | 天津奥利环保设备有限公司 | Preparing system and preparing technology of high-concentration ammonia water |
| CN105478023A (en) * | 2016-01-04 | 2016-04-13 | 江西江氨科技有限公司 | Ammonia water preparation system |
| CN109173760A (en) * | 2018-10-11 | 2019-01-11 | 云南净世环保科技有限公司 | A kind of environment-friendly type liquefied ammonia dilution system and its production method |
| CN210261140U (en) * | 2019-06-12 | 2020-04-07 | 山东晋煤明升达化工有限公司 | Ammonia water preparation system capable of simultaneously preparing ammonia water with two concentrations |
| CN215886386U (en) * | 2021-09-13 | 2022-02-22 | 惠州市华达通气体制造股份有限公司 | Ammonia water preparation system |
| CN217025363U (en) * | 2022-05-09 | 2022-07-22 | 和远潜江电子特种气体有限公司 | Device for preparing industrial ammonia water |
Non-Patent Citations (1)
| Title |
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| 刘静等: "《食品工程原理》", 31 January 2011, 中国计量出版社, pages: 127 * |
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