CN207091014U - One kind ammonia system - Google Patents
One kind ammonia system Download PDFInfo
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- CN207091014U CN207091014U CN201720361840.XU CN201720361840U CN207091014U CN 207091014 U CN207091014 U CN 207091014U CN 201720361840 U CN201720361840 U CN 201720361840U CN 207091014 U CN207091014 U CN 207091014U
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- ammonia
- batch meter
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- evaporator
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Abstract
The utility model discloses one kind ammonia system, the ammonia system processed includes liquid ammonia storage tank, liquid ammonia evaporator, ammonia surge tank, ammonia batch meter；One end of the liquid ammonia storage tank is connected with liquefied ammonia pipeline, the other end is connected to liquid ammonia evaporator one end, the liquid ammonia evaporator other end is connected with ammonia surge tank one end, one branch pipe of the ammonia surge tank other end is connected to ammonia gas outlet, another branch pipe is connected with one end of ammonia batch meter, and the other end of last ammonia batch meter is connected to ammoniacal liquor outlet pipe；The utility model is higher than liquefied ammonia utilization rate, the safety coefficient of existing ammoniacal liquor preparation facilities, and working stability, eliminates injury of the ammonia to human body in preparation process；In addition, the cost that ammoniacal liquor is prepared using the system is low, and the system architecture is simple, easy to spread.
Description
Technical field
Ammoniacal liquor preparation field is the utility model is related to, more particularly to one kind ammonia system.
Background technology
Ammonia is a kind of material being widely used with various phases, and ammonia is highly soluble in water and forms ammoniacal liquor.At present, ammoniacal liquor
It is typically to be prepared using liquefied ammonia and water to prepare, and liquefied ammonia and water mixed process are a strongly exothermic processes, the strongly exothermic ginseng that can gasify
It is gas ammonia with the liquefied ammonia mixed, causes volume acutely to expand, though easily it is only absorbed by the water shape while gas ammonia bubble is with fluid flow
Into ammoniacal liquor, but this process can cause noise and the vibrations of pipeline, tank body or equipment, the operation stability of breaking plant, exist
Great potential safety hazard.
Nowadays, traditional boiler feedwater, the ammoniacal liquor process major part for preparing of condensate ammonification are still by liquefied ammonia and water
Directly prepared, and be all to use manual operation, i.e., barreled liquefied ammonia poured into bulk container, add water and prepared, obtained
To ammoniacal liquor, it is finally fed and is used to boiler room.But this mode of operation the drawbacks of ammonification being present not in time, and chemical feeding quantity is not
It is easily controlled, easily causes the corrosion of equipment；Meanwhile liquefied ammonia mixes with water and releases substantial amounts of heat and ammonia, and it is traditional
In artificial ammonification operating process, because ammonia has volatility, practical operation human contact has excitant and corrosive ammonia,
Still it is difficult to avoid injury of the ammonia to human body even if operator dresses mask according to safety code；Using this tradition
The ammoniacal liquor that mode prepares is not easily controlled its concentration, is extremely difficult to boiler feedwater, the use standard of condensed water in power plant,
Easily cause device damage, or some electric power generating plants are purchased after these ammoniacal liquor go back and also need to re-work processing, add
Production cost.
The disclosure of background above technology contents is only used for auxiliary and understands inventive concept of the present utility model and technical scheme, its
Not necessarily belong to the prior art of present patent application, show the above in the Shen of present patent application in no tangible proof
Please day it is disclosed in the case of, above-mentioned background technology should not be taken to evaluate the application novelty and creativeness.
The content of the invention
The utility model purpose is to propose one kind ammonia system, straight to solve liquefied ammonia existing for above-mentioned prior art and water
Connect mixing, the ammonia rapid wear evil health and destructible stabilization of equipment performance of gasification, fragile equipment, and the ammoniacal liquor prepared
The technical problems such as concentration is not accurate.
The technical solution adopted in the utility model is：
One kind ammonia system, the ammonia system processed include liquid ammonia storage tank, liquid ammonia evaporator, ammonia surge tank, ammonia batch meter；
One end of the liquid ammonia storage tank is connected with liquefied ammonia pipeline, and the other end is connected to liquid ammonia evaporator one end, the liquid ammonia evaporator other end
Be connected with ammonia surge tank one end, a branch pipe of the ammonia surge tank other end is connected to ammonia gas outlet, another branch pipe with
One end connection of ammonia batch meter, the other end of last ammonia batch meter are connected to ammoniacal liquor outlet pipe；The ammonia system processed is simple in construction,
Prepare that the cost of ammoniacal liquor is low, and can not only eliminate injury of the ammonia to human body in preparation process, liquefied ammonia and water can also be avoided
Directly mix, cause device interior air-flow unstable, damage equipment；The ammoniacal liquor of preparation is mainly used in boiler feedwater, condensed water ammonification.
Further, the liquid ammonia storage tank bottom is provided with liquefied ammonia ammon entry hole, and top is provided with liquefied ammonia and goes out ammonia mouth.
Further, liquid ammonia evaporator ammon entry hole being provided with the top of the liquid ammonia evaporator, right side is provided with vapor air inlet,
Inside is provided with liquid ammonia tube, vapor air jet pipe, ammonia efferent duct, and ammonia gas outlet is provided with the top of ammonia efferent duct；The liquid
Ammonia pipe one end is connected with liquid ammonia evaporator ammon entry hole, and the other end is spirally wrapped around on ammonia efferent duct, and port insertion institute
State ammonia efferent duct wherein side tube wall；Described vapor air jet pipe one end is connected with vapor air inlet, and the other end is vacantly put
Inside liquid ammonia evaporator；Directly contacted this avoid liquefied ammonia with water, produce and suppress and infringement of the amount of heat to equipment, together
When heated by vapor so that liquefied ammonia direct gasification, ammoniacal liquor, the concentration of ammoniacal liquor easy to control are prepared using ammonia.
Further, ammonia surge tank ammonia air inlet is provided with the left of the ammonia surge tank, right side is provided with ammonia and delayed
Rush tank ammonia gas outlet；One branch pipe of the ammonia buffer tank outlet is connected with ammonia gas outlet, another branch pipe and ammonia
Batch meter connects；By the cushioning effect of ammonia surge tank, pressure of the air-flow to connecting pipeline can be alleviated, while can stablize
Throughput；Ammonia buffer tank outlet is provided with two branch pipes, makes ammonia convenient to supply ammonia to other systems with transmitted in both directions
Gas, improve ammonia utilization rate.
Further, ammonia batch meter ammonia air inlet, ammonia batch meter demineralized water water inlet are provided with the top of the ammonia batch meter,
Bottom is provided with ammonia batch meter ammoniacal liquor delivery port, and positioned inside has ammonia air jet pipe, conductometer；The ammonia air jet pipe measures with ammonia
Case ammonia air inlet is connected, and described conductometer one end is suspended in ammonia batch meter, and the other end is placed in outside ammonia batch meter；Use demineralized water
Mixed with ammonia, device can be significantly reduced or pipeline produces fouling；Increase conductometer can monitor the concentration of ammoniacal liquor so that
The ammoniacal liquor of preparation reaches required concentration.
Further, liquefied ammonia goes out ammonia mouth and is connected with liquid ammonia evaporator ammon entry hole by connecting tube A, on described connecting tube A
Metering of liquid ammonia pump is installed, vapor air inlet is connected with vapor machine by vapor pipe, and ammonia gas outlet buffers with ammonia
Tank ammonia air inlet is connected by connecting tube B, and ammonia surge tank ammonia gas outlet is connected with connecting tube C, and the connecting tube C has
Two branch pipes, a branch pipe E are connected on denitrification apparatus by ammonia gas outlet, and another branch pipe F enters with ammonia batch meter ammonia
Gas port connects, and is provided with choke valve on the connecting branch F, the ammonia batch meter demineralized water water inlet is by connecting tube D with removing
Salt water dispenser connects；Other devices outside ammonia system processed are delayed with liquid ammonia storage tank device, liquid ammonia evaporator, ammonia by each connecting tube
Rushing tank, ammonia batch meter, connection operationalizes in order, realize it is safe efficient prepare the purpose of ammoniacal liquor, while improve ammonia and ammoniacal liquor
Utilization rate, avoid the waste of resource.
Further, described liquid ammonia tube and ammonia efferent duct manufacture for the Heat Conduction Material of corrosion-and high-temp-resistant；Not only but compared with
Good heat resistance has preferable heat-transfer effect, and and can reduces corrosion of the liquefied ammonia to pipeline.
Further, the ammonia efferent duct is formed in one with liquid ammonia evaporator；Both tight ness ratings can be improved, are kept away
The pressure exempted from ammonia efferent duct is excessive, causes whole piece pipe to fall into liquid ammonia evaporator.
Further, it is evenly distributed with through hole on the vapor air jet pipe；Heat can be effectively and uniformly distributed, is made
Liquid ammonia tube is heated evenly.
Further, described ammonia air jet pipe is pressure-resistant corrosion-resistant material manufacture, and the ammonia air jet pipe measures with ammonia
Through hole is uniformly distributed with the parallel pipe in bottom portion；So that ammonia is evenly distributed in ammonia batch meter, and demineralized water mixes
Close uniformly, effectively improve ammonia utilization rate.
The beneficial effect that the utility model is compared with the prior art is：High temperature is first passed through in ammonia system processed of the present utility model
By liquid ammonia gasification, recycle liquefied ammonia steam to be mixed with demineralized water, prepare ammoniacal liquor；This process, avoid liquefied ammonia and directly connect with water
Touch, produce and suppress and infringement of the amount of heat to equipment；Whole ammonia system processed avoids people and contacted with the direct of medicine, than existing
Ammoniacal liquor preparation facilities safety coefficient it is high, and liquefied ammonia utilization rate is high, working stability, eliminates in preparation process ammonia to human body
Injury；In addition, the cost that ammoniacal liquor is prepared using the system is low, and the system architecture is simple, easy to spread.
Brief description of the drawings
Fig. 1 is the structural representation of ammonia system processed of the present utility model.
In figure：
1- liquid ammonia storage tanks, 11- liquefied ammonia ammon entry holes, 12- liquefied ammonia go out ammonia mouth, 2- liquid ammonia evaporators, and 21- liquid ammonia evaporators enter ammonia
Mouthful, 22- vapor air inlets, 23- liquid ammonia tubes.24- ammonia efferent ducts, 241- ammonias gas outlet, 3- ammonia surge tanks, 31- ammonia
Gas surge tank ammonia air inlet, 32- ammonia surge tank ammonias gas outlet, 4- ammonia batch meters, 41- ammonia batch meter ammonia air inlets,
42- ammoniacal liquor delivery ports, 43- ammonia batch meter demineralized water water inlets, 44- ammonia air jet pipes, 45- conductometers, 51- metering of liquid ammonia pumps,
52- denitrification apparatus, 53- desalination water dispensers, 58- choke valves, 54- vapor machines, 55- connecting tubes A, 56- connecting tube B, 57- connecting tube
C, 571- branch pipe E, 572- branch pipe F, 59- connecting tube D.
Embodiment
The utility model is described further with reference to the accompanying drawings and detailed description.
Embodiment one：
Ammonia system processed as shown in Figure 1, including including liquid ammonia storage tank 1, liquid ammonia evaporator 2, ammonia surge tank 3, ammonia metering
Case 4；The bottom of liquid ammonia storage tank 1 is provided with liquefied ammonia ammon entry hole 11, and top is provided with liquefied ammonia and goes out ammonia mouth 12；The top of liquid ammonia evaporator 2 is provided with liquid
Ammonia evaporator ammon entry hole 21, right side are provided with vapor air inlet 22, and inside is provided with liquid ammonia tube 23, vapor air jet pipe 25, ammonia
Gas efferent duct 24, the top of ammonia efferent duct 24 are provided with ammonia gas outlet 241；The left side of ammonia surge tank 3 is provided with ammonia surge tank
Ammonia air inlet 31, right side are provided with ammonia surge tank ammonia gas outlet 32；Ammonia batch meter ammonia air inlet is provided with the top of ammonia batch meter
Mouth 41, ammonia batch meter demineralized water carry out mouth 43, and bottom is provided with ammonia batch meter ammoniacal liquor delivery port 42, and inside is provided with ammonia air jet pipe
44th, conductometer 45；Ammonia system processed also includes the outer device of ammonia system case processed, the outer device of ammonia system case processed include metering of liquid ammonia pump 51,
Denitrification apparatus 52, desalination water dispenser 53, choke valve 58, vapor machine 54 and pipe-line system.
Again as shown in figure 1, ammonia system processed and the annexation and the course of work of the outer device of ammonia system case processed are：
Liquefied ammonia pipeline is connected with liquefied ammonia ammon entry hole 11, and liquefied ammonia goes out ammonia mouth 12 by being provided with the connecting tube of metering of liquid ammonia pump 51
A55 is connected to liquid ammonia evaporator ammon entry hole 21, and the liquefied ammonia in liquid ammonia storage tank 1 is extracted to liquid ammonia evaporator by metering of liquid ammonia pump 51
In 2, and its inlet is controlled according to demand, the one end of liquid ammonia tube 23 is connected with liquid ammonia evaporator ammon entry hole 21 in liquid ammonia evaporator 2,
The other end is spirally wrapped around on ammonia efferent duct 24, and the tube wall of the wherein side of port insertion ammonia efferent duct 24, water steam
One end of gas air inlet 22 is connected by vapor pipe with vapor machine 54, and the other end and the vapor in liquid ammonia evaporator 2
The one end of air jet pipe 25 is connected, and the other end of vapor air jet pipe 25 is vacantly placed in inside liquid ammonia evaporator 2；During operation, water
Steam injection pipe 25 it is lasting gush out vapor, and the steam temperature in liquid ammonia evaporator 2 is kept for 75-85 DEG C, when liquefied ammonia enters
After entering liquefied ammonia pipeline 23, liquefied ammonia pipeline is heated by steam, makes liquid ammonia gasification, obtains ammonia, then ammonia is exported by ammonia
Pipe 24 is delivered to ammonia surge tank ammonia air inlet 31 through ammonia gas outlet 241 and enters ammonia surge tank 3, passes through ammonia surge tank
Stablize ammonia flow and alleviate pressure of the air-flow to pipeline, then ammonia buffer tank outlet 32 passes through connecting tube C57 output ammonia
Gas, safety valve is installed on connecting tube C57, ammonia adverse current can be prevented into ammonia surge tank 3, and it is two that connecting tube C57, which be divided to,
Branch pipe：A wherein branch pipe E571 is connected with the denitrification apparatus 52 of the outer device of ammonia system case processed；Another branch pipe F572 and ammonia meter
The ammonia batch meter ammonia air inlet 41 of measuring tank 4 is connected, and choke valve 58 is provided with branch pipe F572；Ammonia air inlet 41 and ammonia meter
Ammonia air jet pipe 44 in measuring tank 4 is connected, and the one end of conductometer 45 is suspended in ammonia batch meter 4, and the other end is connected to choke valve
On 58, ammonia batch meter demineralized water carrys out mouth 43 and is connected by connecting tube D59 with the desalination water dispenser 53 of device outside ammonia system case；Demineralized water
Demineralized water in machine 53 enters ammonia batch meter 4 simultaneously with ammonia, and both are mixed to get ammoniacal liquor, and the dense of ammoniacal liquor is monitored by conductometer
Degree, when ammonia concn reaches 800-1200 Siemens per centimeters, first stop the supply of demineralized water, turn off choke valve 58, make
The ammoniacal liquor got ready is by ammonia batch meter ammoniacal liquor delivery port 42, outside induction system.
The concentration of ammoniacal liquor can also be configured to the Siemens per centimeter of other numerical value, specifically can be according to boiler feedwater, condensation
The requirement of water ammonification determines.
Embodiment two：
The present embodiment technical scheme and embodiment one are essentially identical, and institute's difference is：
Described liquid ammonia tube 23 and ammonia efferent duct 24 manufacture for the Heat Conduction Material of corrosion-and high-temp-resistant；Not only it is but also preferably resistance to
Hot property has preferable heat-transfer effect, and and can reduces corrosion of the liquefied ammonia to pipeline.
The ammonia efferent duct 24 is formed in one with liquid ammonia evaporator 2；Both tight ness ratings can be improved, avoid ammonia
Pressure in efferent duct is excessive, whole piece pipe is fallen into liquid ammonia evaporator.
Through hole is evenly distributed with the vapor air jet pipe 25；Heat can be effectively and uniformly distributed, makes liquid ammonia tube
It is heated evenly.
Described ammonia air jet pipe 44 is pressure-resistant corrosion-resistant material manufacture, the ammonia air jet pipe 44；With the bottom of ammonia batch meter 4
Through hole is uniformly distributed with the parallel pipe in portion；So that ammonia is evenly distributed in ammonia batch meter, and demineralized water mixing is equal
It is even, effectively improve ammonia utilization rate.
Embodiment three：
The present embodiment technical scheme and embodiment one are essentially identical, and institute's difference is：The choke valve 58 is electromagnetism
Valve；Magnetic valve is connected with conductometer, the two mutual cooperation, when conductometer monitors that the concentration of ammoniacal liquor reaches 800-1200 Siemens
When per cm, magnetic valve is closed automatically, so as to control the concentration of the ammoniacal liquor of preparation.Liquefied ammonia meter is installed on the connecting tube A55
Pump 51 is measured, the metering of liquid ammonia pump 51 is one-way pump；Power is provided for the liquefied ammonia proper flow in liquid ammonia storage tank 1, makes liquefied ammonia can
To continue smoothly to flow into liquid ammonia evaporator, and the input quantity precision of liquefied ammonia can be controlled, it may also be ensured that liquefied ammonia will not
Flow backwards, substantially improve influence of the manual operation to health and ammoniacal liquor quality, improve operating efficiency and liquefied ammonia utilization rate.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. one kind ammonia system, it is characterised in that：The ammonia system processed includes liquid ammonia storage tank (1), liquid ammonia evaporator (2), ammonia
Surge tank (3), ammonia batch meter (4)；One end of the liquid ammonia storage tank (1) is connected with liquefied ammonia pipeline, and the other end is connected to liquefied ammonia steaming
Device (2) one end is sent out, liquid ammonia evaporator (2) other end is connected with ammonia surge tank (3) one end, ammonia surge tank (3) other end
One branch pipe is connected to ammonia gas outlet, and another branch pipe is connected with one end of ammonia batch meter (4), last ammonia batch meter (4)
The other end is connected to ammoniacal liquor outlet pipe.
2. ammonia system processed as claimed in claim 1, it is characterised in that：Liquid ammonia storage tank (1) bottom is provided with liquefied ammonia ammon entry hole
(11), top is provided with liquefied ammonia and goes out ammonia mouth (12).
3. ammonia system processed as claimed in claim 1, it is characterised in that：Liquefied ammonia evaporation is provided with the top of the liquid ammonia evaporator (2)
Device ammon entry hole (21), right side are provided with vapor air inlet (22), inside be provided with liquid ammonia tube (23), vapor air jet pipe (25),
Ammonia efferent duct (24), ammonia efferent duct (24) top are provided with ammonia gas outlet (241)；Described liquid ammonia tube (23) one end and liquefied ammonia
Evaporator ammon entry hole (21) is connected, and the other end is spirally wrapped around on ammonia efferent duct (24), and the ammonia is inserted in port
Efferent duct (24) wherein side tube wall；Described vapor air jet pipe (25) one end is connected with vapor air inlet (22), the other end
It is hanging to be placed in liquid ammonia evaporator (2) inside.
4. ammonia system processed as claimed in claim 1, it is characterised in that：Ammonia is provided with the left of the ammonia surge tank (3) to delay
Tank ammonia air inlet (31) is rushed, right side is provided with ammonia surge tank ammonia gas outlet (32)；The ammonia surge tank ammonia gas outlet
(32) a branch pipe E (571) is connected with ammonia gas outlet, and another branch pipe F (572) is connected with ammonia batch meter (4).
5. ammonia system processed as claimed in claim 1, it is characterised in that：Ammonia batch meter ammonia is provided with the top of the ammonia batch meter (4)
Gas air inlet (41), ammonia batch meter demineralized water water inlet (43), bottom are provided with ammonia batch meter ammoniacal liquor delivery port (42), positioned inside
There are ammonia air jet pipe (44), conductometer (45)；The ammonia air jet pipe (44) is connected with ammonia batch meter ammonia air inlet (41), institute
Conductometer (45) one end is stated to be suspended in ammonia batch meter (4).
6. the ammonia system processed as described in claim 1-5 is any, it is characterised in that：Liquefied ammonia goes out ammonia mouth (12) and entered with liquid ammonia evaporator
Ammonia mouth (21) is provided with metering of liquid ammonia pump (51), vapor enters by connecting tube A (55) connections on described connecting tube A (55)
Gas port (22) is connected with vapor machine (54) by vapor pipe, ammonia gas outlet (241) and ammonia surge tank ammonia air inlet
(31) it is connected by connecting tube B (56) connections, ammonia surge tank ammonia gas outlet (32) with connecting tube C (57), the connection
Pipe C (57) has two branch pipes, and a branch pipe E (571) is connected on denitrification apparatus (52) by ammonia gas outlet, another branch
Pipe F (572) is connected with ammonia batch meter ammonia air inlet (41), and choke valve (58) is provided with the connecting branch F (572),
The ammonia batch meter demineralized water water inlet (43) is connected by connecting tube D (59) with desalination water dispenser (53).
7. ammonia system processed as claimed in claim 3, it is characterised in that：Described liquid ammonia tube (23) and ammonia efferent duct (24) be
The Heat Conduction Material manufacture of corrosion-and high-temp-resistant.
8. ammonia system processed as claimed in claim 3, it is characterised in that：The ammonia efferent duct (24) and liquid ammonia evaporator (2)
It is formed in one.
9. ammonia system processed as claimed in claim 3, it is characterised in that：It is evenly distributed with and passes through on the vapor air jet pipe (25)
Perforation.
10. ammonia system processed as claimed in claim 5, it is characterised in that：Described ammonia air jet pipe (44) is pressure-resistant corrosion-resistant
Material manufacture, through hole is uniformly distributed with the ammonia air jet pipe (44) pipe parallel with ammonia batch meter (4) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720361840.XU CN207091014U (en) | 2017-04-08 | 2017-04-08 | One kind ammonia system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720361840.XU CN207091014U (en) | 2017-04-08 | 2017-04-08 | One kind ammonia system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207091014U true CN207091014U (en) | 2018-03-13 |
Family
ID=61549824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720361840.XU Active CN207091014U (en) | 2017-04-08 | 2017-04-08 | One kind ammonia system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207091014U (en) |
-
2017
- 2017-04-08 CN CN201720361840.XU patent/CN207091014U/en active Active
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