CN203183930U - Ammonia water preparation device - Google Patents
Ammonia water preparation device Download PDFInfo
- Publication number
- CN203183930U CN203183930U CN 201320196199 CN201320196199U CN203183930U CN 203183930 U CN203183930 U CN 203183930U CN 201320196199 CN201320196199 CN 201320196199 CN 201320196199 U CN201320196199 U CN 201320196199U CN 203183930 U CN203183930 U CN 203183930U
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- CN
- China
- Prior art keywords
- ammoniacal liquor
- ammonia
- coil pipe
- pipe
- cylindrical shell
- Prior art date
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Abstract
The utility model provides an ammonia water preparation device, comprising a barrel and an ammonia absorber, wherein at least one group of coilers and a cooling unit are arranged inside the barrel; ammonia water is introduced inside the coilers; an ammonia water container is arranged on the ammonia absorber; an ammonia gas inlet pipe and a water inlet pipe are arranged above the ammonia water container; an ammonia water outlet is arranged below the ammonia water container and connected with the coilers; the cooling unit comprises a shower pipe; the shower pipe is arranged above the coilers inside the barrel; an ammonia water outlet pipe is connected below the coilers inside the barrel; a water outlet is arranged below the barrel. The ammonia water is generated by ammonia gas and water in a mixing manner by utilizing the Venturi (tube) principle; namely an energy source is saved by utilizing the energy of the device. The ammonia water is in a turbulent flow state inside the coilers, so that the concentration of the ammonia water is even; heat transfer is facilitated. A liquid membrane is generated outside the coilers by utilizing a spraying cooling manner, so that the heat transfer efficiency is high; the dosage of cooling water is saved; the coiler structure has the advantages of being simple in structure, convenient to process, low in cost, good in heat transfer effect, safe and reliable.
Description
Technical field
The utility model relates to a kind of ammoniacal liquor preparation facilities, belongs to power plant denitration technology field.
Background technology
In industrial production, often need a large amount of ammoniacal liquor of preparation, and ammonia to discharge a large amount of heat in water-soluble process.If do not take appropriate cooling to handle, will cause the ammoniacal liquor system temperature to raise, but after ammonia temperature surpassed 60 ℃, ammonia was easy to volatilization, has strengthened the preparation difficulty of ammoniacal liquor.Especially when compounding high concentration ammoniacal liquor, concentration is more high, the more easy volatilization of ammonia, and the preparation difficulty is bigger.Therefore, in joining the ammonia process, need the ammoniacal liquor cooling that circulates.Be the temperature that reduces the ammoniacal liquor system by cooling on the one hand; Be to strengthen circulation to guarantee mixing of ammoniacal liquor on the other hand, accelerate preparation speed.
The preparation of ammoniacal liquor at present generally all adopts liquefied ammonia to prepare, and now uses the device of liquefied ammonia preparation ammoniacal liquor substantially all to exist danger when operation, if very easily there is security incident hidden danger in misoperation.And the ammonia concn of preparing changes greatly, is difficult for controlling its concentration, is prone to the even situation of density unevenness, and influence back workshop section produces.In addition, existing ammoniacal liquor preparation facilities inhomogeneous cooling to ammoniacal liquor when preparation is even, cooling velocity and poor effect, form the volatilization of a large amount of ammonias easily, cause the loss of a large amount of ammonias, cause the waste of resource, a large amount of ammonia emissions can cause environmental pollution in air simultaneously, influences people's health.
Summary of the invention
Problem to be solved in the utility model provide a kind of ammonia concn evenly, good cooling results, the saving energy, safe and reliable ammoniacal liquor preparation facilities.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is a kind of ammoniacal liquor preparation facilities, comprises a cylindrical shell and ammonia absorber, is provided with at least one group of coil pipe and cooling unit in the cylindrical shell, is connected with ammoniacal liquor in the coil pipe; Described ammonia absorber is provided with ammonia container, and the top of ammonia container is provided with gas ammonia inlet tube and water inlet pipe, and described water inlet pipe mouth of pipe height is lower than gas ammonia inlet tube mouth of pipe height, and the below of ammonia container is provided with ammoniacal liquor outlet, and described ammoniacal liquor outlet is connected with coil pipe; Described cooling unit is the fountain cooling unit, comprises shower, and shower is positioned at the top of cylindrical shell inner coil pipe, and the below of cylindrical shell inner coil pipe connects an ammoniacal liquor outlet; The cylindrical shell below also is provided with delivery port.
Ammoniacal liquor flows in coil pipe from top to bottom, and the ammoniacal liquor process in the coil pipe and the cooling water heat exchange of fountain after ammoniacal liquor gathers, are discharged through the ammoniacal liquor outlet of cylindrical shell below; The cool water shower pipe is located at coil pipe top, and lower end of duct is provided with shower nozzle, and water sprays from shower nozzle, drenches to drop on the coil pipe, takes away the heat of ammoniacal liquor; The coil pipe bottom can be provided with a cooling water gatherer, and the water droplet that falls from coil surface drops on the gatherer, delivers to cooling tower by the cooling water conveyance conduit again and lowers the temperature.
Further, be connected an ammoniacal liquor distributor between described ammonia container and coil pipe; Described coil pipe is 3 groups, be connected side by side on the ammoniacal liquor distributor, and coil pipe is vertically arranged stainless steel coiled pipe.Adopt coiled structure in parallel, ammoniacal liquor flows in the ammoniacal liquor distributor, and the ammoniacal liquor distributor links to each other with the coil pipe of parallel connection, and the ammoniacal liquor cooling velocity is accelerated, and cools off more even.
Further, the ammoniacal liquor exit of described ammonia container is provided with Pressure gauge, and the ammoniacal liquor outlet of coil pipe below is provided with thermometer; Described ammonia container is Rotation Shell Structure, and its top is cylindrical shell, and its underpart is the cone shell structure, and the central axis angle of described gas ammonia inlet tube and ammonia container is 60 °; Described water inlet pipe is Venturi tube, and with the ammonia container coaxial line.
Further, the top of described cylindrical shell connects a upper cover, and its below connects a low head, and the ammoniacal liquor outlet is positioned at low head.Low head has the effect of cooling water gatherer.
Advantage and the good effect that the utlity model has are: in this device, ammonia absorber utilizes the potential energy of fluid self to change into kinetic energy, form negative pressure region, namely utilize venturi (pipe) principle to make ammonia suck in the ammonia absorber automatically, and mix with water and to generate ammoniacal liquor, utilize the energy that itself carries, saved the consumption of the energy; When there was the temperature difference in the coil pipe inner fluid, coil pipe can produce with fluid and expand with heat and contract with cold, i.e. coil pipe retractable, and coil pipe just can be to the parts generation harmful effect that is attached thereto like this; Ammoniacal liquor is in turbulence state in this device in coil pipe, and ammonia concn is even, and is beneficial to the heat transmission; In this device, the type of cooling of ammoniacal liquor is the spray structure of cooling water, when cooling water in the spray process, water can produce liquid film outside coil pipe, like this liquid film will with coil pipe in the ammoniacal liquor heat exchange, be the ammoniacal liquor cooling, improved heat transfer efficiency, liquid film and atmosphere heat exchange have also been played certain cooling effect to ammoniacal liquor simultaneously, have saved cooling water amount; This device adopts the coiled structure, have simple in structure, be convenient to process, cost is low, heat-transfer effect good, safe and reliable advantage.
Description of drawings
Fig. 1 is the structural representation of the ammoniacal liquor preparation facilities of the utility model specific embodiment.
Among the figure:
1. ammoniacal liquor exports 2. conical shells, 3. cylindrical shells
4. gas ammonia inlet tube 5. water inlet pipes 6. ammonia absorbers
7. ammoniacal liquor distributor 8. upper covers 9. showers
10. coil pipe 11. low heads 12. delivery ports
13. ammoniacal liquor outlet
The specific embodiment
Enumerating following specific embodiment below in conjunction with accompanying drawing is further elaborated the utility model.
Present embodiment is a kind of ammoniacal liquor preparation facilities, as shown in Figure 1, comprises a cylindrical shell 3 and ammonia absorber 6, is provided with 3 groups of coil pipes that are connected in parallel 10 and a cooling unit in the cylindrical shell 3, is connected with ammoniacal liquor in the coil pipe 10; Ammonia absorber 6 is provided with ammonia container, the top of ammonia container is provided with gas ammonia inlet tube 4 and water inlet pipe 5, and in the ammonia container, water inlet pipe 5 mouth of pipe height are lower than gas ammonia inlet tube 4 mouth of pipe height, the below of ammonia container is provided with ammoniacal liquor outlet 1, and ammoniacal liquor outlet 1 is connected with dish 10; Be connected 7,3 groups of coil pipes of an ammoniacal liquor distributor between ammonia container and coil pipe and be connected side by side on the ammoniacal liquor distributor 7, and coil pipe 10 is vertically arranged stainless steel coiled pipe; Cooling unit is the fountain cooling unit, comprises shower 9, and shower 9 is positioned at the top of cylindrical shell inner coil pipe 10, and the below of cylindrical shell inner coil pipe 10 connects an ammoniacal liquor outlet 13; The top of cylindrical shell connects a upper cover 8, and its below connects a low head 11, and ammoniacal liquor outlet 13 is positioned at low head 11, and low head 11 is provided with delivery port 12.
In the present embodiment, the ammoniacal liquor of ammonia container exports 1 place and is provided with Pressure gauge, and the ammoniacal liquor outlet 13 of coil pipe 10 belows is provided with thermometer; Ammonia container is Rotation Shell Structure, and its top is cylindrical shell, and its underpart is the cone shell structure, and gas ammonia inlet tube 4 is 60 ° with the central axis angle of ammonia container; Water inlet pipe 5 is Venturi tube, and with the ammonia container coaxial line.
In the present embodiment, the material at contact ammoniacal liquor position is 304 stainless steels, guarantees the low temperature resistant applying working condition of material; The ammonia absorber outlet is provided with Pressure gauge, detects the pressure of synthetic back ammoniacal liquor; Ammoniacal liquor outlet place is provided with thermometer, the indication scene temperature; Low head coolant outlet place is provided with thermometer, the indication scene temperature; The bottom is provided with leg formula bearing, is used for supporting the weight of integral device.
In the present embodiment, water inlet pipe 5 is connected with the upper end cover of ammonia absorber by the water inlet flange; Conical shell 2 ends on the ammonia absorber, namely ammoniacal liquor exports 1 place and is connected with the ammoniacal liquor outlet(discharge) flange; Ammoniacal liquor distributor 7 is connected with the ammoniacal liquor outlet(discharge) flange.
Operation principle: as shown in Figure 1, the ammoniacal liquor preparation facilities, its top is ammonia absorber, gas ammonia inlet tube and water inlet are connected with ammonia container, and water is sprayed at a high speed in the ammonia container, utilize the potential energy of water self to change into kinetic energy, form negative pressure region, gas ammonia is sucked in the container and with water automatically mix, mixed ammoniacal liquor enters in the ammoniacal liquor coil pipe by the ammoniacal liquor distributor; Simultaneously, the cool water shower pipe that is positioned at the coil pipe top sprays cooling water to coil pipe, and the ammoniacal liquor in the coil pipe is lowered the temperature through heat exchange, after gather the cylindrical shell bottom, discharges cylindrical shell by the ammoniacal liquor outlet, enters subsequent processing; The water droplet that falls from coil surface drops on the gatherer (low head), delivers to cooling tower by the cooling water conveyance conduit again and lowers the temperature.
More than embodiment of the present utility model is had been described in detail, but described content only is preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the present utility model.
Claims (7)
1. an ammoniacal liquor preparation facilities comprises a cylindrical shell, is provided with at least one group of coil pipe and cooling unit in the cylindrical shell, is connected with ammoniacal liquor in the coil pipe; It is characterized in that: also comprise an ammonia absorber, described ammonia absorber is provided with ammonia container, the top of ammonia container is provided with gas ammonia inlet tube and water inlet pipe, described water inlet pipe mouth of pipe height is lower than gas ammonia inlet tube mouth of pipe height, the below of ammonia container is provided with ammoniacal liquor outlet, and described ammoniacal liquor outlet is connected with coil pipe; Described cooling unit is the fountain cooling unit, comprises shower, and shower is positioned at the top of cylindrical shell inner coil pipe, and the below of cylindrical shell inner coil pipe connects an ammoniacal liquor outlet; The cylindrical shell below also is provided with delivery port.
2. ammoniacal liquor preparation facilities according to claim 1 is characterized in that: be connected an ammoniacal liquor distributor between described ammonia container and coil pipe.
3. ammoniacal liquor preparation facilities according to claim 2, it is characterized in that: described coil pipe is 3 groups, be connected side by side on the ammoniacal liquor distributor, and coil pipe is vertically arranged stainless steel coiled pipe.
4. ammoniacal liquor preparation facilities according to claim 1 and 2, it is characterized in that: the ammoniacal liquor exit of described ammonia container is provided with Pressure gauge, and the ammoniacal liquor outlet of coil pipe below is provided with thermometer.
5. ammoniacal liquor preparation facilities according to claim 4, it is characterized in that: described ammonia container is Rotation Shell Structure, and its top is cylindrical shell, and its underpart is the cone shell structure, and the central axis angle of described gas ammonia inlet tube and ammonia container is 60 °.
6. ammoniacal liquor preparation facilities according to claim 5, it is characterized in that: described water inlet pipe is Venturi tube, and with the ammonia container coaxial line.
7. ammoniacal liquor preparation facilities according to claim 1, it is characterized in that: the top of described cylindrical shell connects a upper cover, and its below connects a low head, and the ammoniacal liquor outlet is positioned at low head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320196199 CN203183930U (en) | 2013-04-18 | 2013-04-18 | Ammonia water preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320196199 CN203183930U (en) | 2013-04-18 | 2013-04-18 | Ammonia water preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203183930U true CN203183930U (en) | 2013-09-11 |
Family
ID=49100831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320196199 Expired - Fee Related CN203183930U (en) | 2013-04-18 | 2013-04-18 | Ammonia water preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203183930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016373A (en) * | 2014-05-22 | 2014-09-03 | 李景峰 | Heat self-exchange tube array fin dual ammonia preparation device |
| CN104016372A (en) * | 2014-05-22 | 2014-09-03 | 李景峰 | Heat self-exchange fin-type ammonia preparation device |
-
2013
- 2013-04-18 CN CN 201320196199 patent/CN203183930U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016373A (en) * | 2014-05-22 | 2014-09-03 | 李景峰 | Heat self-exchange tube array fin dual ammonia preparation device |
| CN104016372A (en) * | 2014-05-22 | 2014-09-03 | 李景峰 | Heat self-exchange fin-type ammonia preparation device |
| CN104016373B (en) * | 2014-05-22 | 2016-02-10 | 李景峰 | Heat self-exchange tubulation fin double-type ammoniacal liquor preparation facilities |
| CN104016372B (en) * | 2014-05-22 | 2016-02-10 | 李景峰 | The finned ammoniacal liquor preparation facilities of heat self-exchange |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20160418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |