CN204057980U - Shell and tube ammoniacal liquor system joins all-in-one - Google Patents
Shell and tube ammoniacal liquor system joins all-in-one Download PDFInfo
- Publication number
- CN204057980U CN204057980U CN201420390614.0U CN201420390614U CN204057980U CN 204057980 U CN204057980 U CN 204057980U CN 201420390614 U CN201420390614 U CN 201420390614U CN 204057980 U CN204057980 U CN 204057980U
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- shell
- ammonia
- ammoniacal liquor
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- tube
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Abstract
The utility model provides a kind of shell and tube ammoniacal liquor system to join all-in-one, comprise shell and tube heat exchanger, the shell side space of shell and tube heat exchanger is upper and lower two shell side spaces by a shell side baffle for separating, the sidewall in lower shell side space is provided with liquefied ammonia entrance and ammonia outlet, and the sidewall in upper shell side space is provided with circulating cooling water out and circulating cooling water inlet; The top of shell and tube heat exchanger is provided with softening water entrance, ammonia entrance, and bottom is provided with ammoniacal liquor outlet; Heat exchanging pipe one end of shell and tube heat exchanger is connected with softening water entrance, ammonia entrance, and the other end exports with ammoniacal liquor and is connected.The mixing process of this device with move thermal process and carry out simultaneously, compact equipment, system temperature are stable, and ammonia concn controls flexibly, to there will not be over-temp and over-pressure phenomenon, safe and stable equipment operation.In the many heat exchanging pipes that ammonia is evenly distributed to, contact with water, form the high efficient mixed process of multiple solutions, greatly accelerate the speed that liquefied ammonia dissolves, improve the preparation efficiency of ammoniacal liquor.
Description
Technical field
The utility model relates to the vaporizer apparatus belonging to denitration system of power plant preassembling, and particularly a kind of shell and tube ammoniacal liquor system joins all-in-one.
Background technology
The raising of country to environmental requirement in recent years, propose out of stock requirement to heat power plant's project begun newly, selective non-catalytic reduction method (SNCR) is the method for denitration relatively commonly used.Shell and tube ammoniacal liquor system joins all-in-one becomes one of major equipment in SNCR technology.
The preparation of current ammoniacal liquor generally all adopts liquefied ammonia to prepare, and now using the device of preparing ammonia water with liquid ammonia substantially all to there is danger when operating, if misoperation, very easily there is safety hazards.And the ammonia concn prepared change greatly, not easily controls its concentration, easily occurs the situation of uneven concentration, and after impact, workshop section produces.In addition, existing ammoniacal liquor preparation facilities is even to the inhomogeneous cooling of ammoniacal liquor when preparing, speed of cooling and poor effect, the volatilization of a large amount of ammonia of easy formation, cause the loss of a large amount of ammonia, cause the waste of resource, a large amount of ammonia emissions can cause environmental pollution in atmosphere simultaneously, affects the health of people.
Summary of the invention
Problem to be solved in the utility model proposes a kind of equipment safely and efficiently liquefied ammonia and water being configured to ammoniacal liquor, to solve the defects such as existing installation ammoniacal liquor allocative efficiency is low, configuration required equipment is many, noise large, finished product ammonia concn is low, ammonia concn is uneven.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: shell and tube ammoniacal liquor system joins all-in-one, comprise shell and tube heat exchanger, the shell side space of described shell and tube heat exchanger is upper and lower two shell side spaces by a shell side baffle for separating, the sidewall in described lower shell side space is provided with liquefied ammonia entrance and ammonia outlet, and the sidewall in described upper shell side space is provided with circulating cooling water out and circulating cooling water inlet; The top of described shell and tube heat exchanger is provided with softening water entrance, ammonia entrance, and bottom is provided with ammoniacal liquor outlet; Heat exchanging pipe one end of described shell and tube heat exchanger is connected with softening water entrance, ammonia entrance, and the other end exports with ammoniacal liquor and is connected.
Further, described ammonia outlet is connected by connecting pipe with ammonia entrance.
Further, described heat exchanging pipe one end is communicated with softening water entrance, ammonia entrance by upper cover; The described heat exchanging pipe the other end is by lower cover and ammoniacal liquor outlet.
Further, the sidewall bottom in described lower shell side space is also provided with sewage draining exit, and sidewall is provided with some liquidometer mouths.
Liquefied ammonia enters lower shell side space from liquefied ammonia entrance; Ammonia enters from ammonia entrance, and water enters from softening water ingress, and ammonia gas dissolves enters heat exchanging pipe in water; Liquefied ammonia absorbs ammonia and is dissolved in the solution heat of water release and is gasificated into ammonia in lower shell side space, is discharged by ammonia outlet.Preferably, the ammonia of being discharged by ammonia outlet enters heat exchanging pipe by ammonia entrance again through connecting pipe.
Recirculated cooling water enters upper shell side space from circulating cooling water inlet, is discharged by circulating cooling water out, and the solution heat that ammonia gas dissolves discharges in water takes away a part by recirculated cooling water.
Further, described softening water ingress is provided with softening water regulated valve for controlling the flow of water in heat exchanging pipe.
The advantage that the utility model has with positively effect is: compare traditional ammoniacal liquor preparation facilities, need the equipment such as interchanger, pump, groove tank, and the present invention to demonstrate device height integrated, eliminate pipeline, pump and medial launder, decrease facility investment, decrease cost of equipment maintenance simultaneously.Utilized by liquefied ammonia the heat of ammoniacal liquor self to gasify, then be distributed in equably in each tubulation, define the high efficient mixed process of multiple solutions, greatly accelerate mixing velocity.Ammoniacal liquor is discharged after being finally summarised in the lower cover of equipment, make the concentration of ammoniacal liquor evenly.The structure of the design of equipment ripe and and manufacture difficulty low, such manufacturing cost is just low, just with popularization and the use of equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model shell and tube ammoniacal liquor system joins all-in-one
In figure:
1, softening water regulated valve; 2, softening water entrance; 3, circulating cooling water inlet; 4, upper shell side space; 5, circulating cooling water out; 6, water liquidometer mouth; 7, lower shell side space; 8, water liquidometer mouth; 9, sewage draining exit; 10, discharging hole; 11, ammoniacal liquor outlet; 12, liquefied ammonia entrance; 13, ammonia outlet; 14, connecting pipe; 15, shell side dividing plate; 16, ammonia entrance.
Embodiment
As shown in Figure 1, shell and tube ammoniacal liquor system joins all-in-one, comprise shell and tube heat exchanger, the shell side space of shell and tube heat exchanger is divided into upper and lower two shell side spaces by a shell side dividing plate 15, the sidewall in lower shell side space 7 is provided with liquefied ammonia entrance 12 and ammonia outlet 13, and the sidewall in upper shell side space 4 is provided with circulating cooling water out 5 and circulating cooling water inlet 3; The top of shell and tube heat exchanger is provided with softening water entrance 2, ammonia entrance 16, and bottom is provided with ammoniacal liquor outlet 11; Heat exchanging pipe one end of shell and tube heat exchanger is communicated with softening water entrance 2, ammonia entrance 16 by upper cover; The heat exchanging pipe the other end exports 11 by lower cover and ammoniacal liquor and is communicated with.Ammonia outlet 13 is connected by connecting pipe 14 with ammonia entrance 16.
Meanwhile, the sidewall bottom in lower shell side space 7 is also provided with sewage draining exit 9, and sidewall is provided with the liquidometer mouth 6 of two different heights, for measuring the liquid level of liquefied ammonia.Softening water entrance 2 place is provided with softening water regulated valve 1 for controlling the flow of water in heat exchanging pipe, utilizes softening water Flow-rate adjustment to prepare the ammoniacal liquor of different concns.Preferably, the ammoniacal liquor of any concentration of this equipment configurable less than 30%.
Working process of the present utility model: liquefied ammonia enters lower shell side space 7 from liquefied ammonia entrance 12; Ammonia enters from ammonia entrance 16, and water enters from softening water entrance 2, and ammonia gas dissolves enters heat exchanging pipe in water; Liquefied ammonia utilizes tube wall contact heat-exchanging in lower shell side space 7, absorb ammonia be dissolved in the solution heat of water release and be gasificated into ammonia, by ammonia outlet 13 by connecting pipe 14, upper cover is entered again by ammonia entrance 16, be evenly distributed in each tubulation of heat exchanging pipe, continue and water mixing heat release, form the working order of multiple solutions mixing, effectively ensure mixed effect.Recirculated cooling water enters upper shell side space 4 from circulating cooling water inlet 3, is discharged by circulating cooling water out 5, and the solution heat that ammonia gas dissolves discharges in water takes away a part by recirculated cooling water.
Ammonia and water mixing process can discharge a large amount of heat, if heat is removed not in time, the concentration generating ammoniacal liquor can be affected, favors low temperature is in the dissolving of ammonia simultaneously, therefore design reducing temperature twice: the heat discharged in ammonia and water mixing process takes away a part by recirculated cooling water, absorb a part by liquefied ammonia, finally make ammonia temperature close to normal temperature.While the mixing of this device, heat transfer process also carries out at the same time, and guarantee that ammoniacal liquor is close to normal temperature in equipment outlet, if temperature is very high, the ammonia be dissolved in ammoniacal liquor also can be overflowed again originally.The quantitative change that just ammonia can be made again to overflow close to normal temperature obtains very little.Ammoniacal liquor is discharged after being finally summarised in the lower cover of equipment, even concentration.
Above embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present invention.All equalizations done according to the utility model scope change and improve, and all should still belong within this patent covering scope.
Claims (5)
1. shell and tube ammoniacal liquor system joins all-in-one, it is characterized in that: comprise shell and tube heat exchanger, the shell side space of described shell and tube heat exchanger is upper and lower two shell side spaces by a shell side baffle for separating, the sidewall in described lower shell side space is provided with liquefied ammonia entrance and ammonia outlet, and the sidewall in described upper shell side space is provided with circulating cooling water out and circulating cooling water inlet; The top of described shell and tube heat exchanger is provided with softening water entrance, ammonia entrance, and bottom is provided with ammoniacal liquor outlet; Heat exchanging pipe one end of described shell and tube heat exchanger is connected with softening water entrance, ammonia entrance, and the other end exports with ammoniacal liquor and is connected.
2. shell and tube ammoniacal liquor system according to claim 1 joins all-in-one, it is characterized in that: described ammonia outlet is connected by connecting pipe with ammonia entrance.
3. shell and tube ammoniacal liquor system according to claim 2 joins all-in-one, it is characterized in that: described heat exchanging pipe one end is communicated with softening water entrance, ammonia entrance by upper cover; The described heat exchanging pipe the other end is by lower cover and ammoniacal liquor outlet.
4. shell and tube ammoniacal liquor system according to claim 3 joins all-in-one, it is characterized in that: the sidewall bottom in described lower shell side space is also provided with sewage draining exit, and sidewall is provided with some liquidometer mouths.
5. the shell and tube ammoniacal liquor system according to any one of claim 1-4 joins all-in-one, it is characterized in that: described softening water ingress is provided with softening water regulated valve for controlling the flow of water in heat exchanging pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420390614.0U CN204057980U (en) | 2014-07-15 | 2014-07-15 | Shell and tube ammoniacal liquor system joins all-in-one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420390614.0U CN204057980U (en) | 2014-07-15 | 2014-07-15 | Shell and tube ammoniacal liquor system joins all-in-one |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204057980U true CN204057980U (en) | 2014-12-31 |
Family
ID=52199535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420390614.0U Withdrawn - After Issue CN204057980U (en) | 2014-07-15 | 2014-07-15 | Shell and tube ammoniacal liquor system joins all-in-one |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204057980U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104069758A (en) * | 2014-07-15 | 2014-10-01 | 天津市奥利达燃气设备技术有限公司 | Shell and tube ammonia water production and distribution all-in-one machine |
| CN106219570A (en) * | 2016-02-25 | 2016-12-14 | 山东奥能电力科技有限公司 | Liquefied ammonia is dissolved conversion system automatically |
-
2014
- 2014-07-15 CN CN201420390614.0U patent/CN204057980U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104069758A (en) * | 2014-07-15 | 2014-10-01 | 天津市奥利达燃气设备技术有限公司 | Shell and tube ammonia water production and distribution all-in-one machine |
| CN106219570A (en) * | 2016-02-25 | 2016-12-14 | 山东奥能电力科技有限公司 | Liquefied ammonia is dissolved conversion system automatically |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20160120 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |