CN107879359A - A kind of liquid ammonia evaporator skid mounted equipment - Google Patents
A kind of liquid ammonia evaporator skid mounted equipment Download PDFInfo
- Publication number
- CN107879359A CN107879359A CN201711307431.2A CN201711307431A CN107879359A CN 107879359 A CN107879359 A CN 107879359A CN 201711307431 A CN201711307431 A CN 201711307431A CN 107879359 A CN107879359 A CN 107879359A
- Authority
- CN
- China
- Prior art keywords
- evaporator
- ammonia
- tank
- safety
- storage tank
- 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
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0082—Regulation; Control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
A kind of liquid ammonia evaporator skid mounted equipment of the present invention, the buffering pot bottom is fixedly connected on bottom plate by foundation bolt, the safety of connection first diverging mouth at the top of surge tank, the surge tank connects storage tank by evaporator, the tank top is provided with sewage draining exit, the second safety is provided with the right side of the sewage draining exit and dissipates mouth, the tank bottom is provided with discharge outlet, the storage tank is fixed and is welded in bottom plate, the liquefied ammonia entrance connects evaporator, the evaporator combines connection by multiple coil pipes, and the coil pipe is set to double-layer structure, endothecium structure is set to liquid ammonia medium layer, layer structure is set to warm water dielectric layer, the evaporator is provided with steam inlet, the steam inlet connects steam control valve, the first safety diverging mouth connects evaporator by coil pipe, and it is provided with thermometric instrument on the right side of the first safety diverging mouth.The equipment carries out repair apparatus by ammonia, carries out, to liquid ammonia vaporization, improving efficiency by evaporator, reduces cost, simple in construction, it is easy to accomplish.
Description
Technical field
The present invention relates to technical field of chemical, specially a kind of liquid ammonia evaporator skid mounted equipment.
Background technology
Liquefied ammonia, also known as anhydrous ammonia, it is a kind of colourless liquid, there is intense irritation smell.Ammonia is as a kind of important change
Work raw material, to transport and storing facility, gaseous ammonia is generally obtained into liquid ammonia by pressurizeing or cooling down.Liquefied ammonia is soluble in
Water, ammonium ion NH4+, hydroxide ion OH-, solution alkaline are formed after being dissolved in water.Liquefied ammonia is stored in pressure-resistant steel cylinder or steel tank more
In, and can not be coexisted with materials such as acetaldehyde, methacrylaldehyde, boron, storage tank is used to store liquid or the steel sealing container of gas is
Steel storage tank, steel storage tank engineering are that the industries such as oil, chemical industry, grain and oil, food, fire-fighting, traffic, metallurgy, national defence are essential
, important infrastructure, always be unable to do without big and small steel storage tank in our economic life, steel storage tank is in its people
Important function played in economic development can not be substituted, and quality problems once occurs in storage tank, liquid or gas easily occurs
Leakage, blast even occurs when serious, but overhauling this block, tradition maintenance is often through artificial maintenance, although artificial inspection
Repair the maintenance effect that can reach certain by conscientiously investigating, but effect and bad, these problems are just needed to traditional equipment
It is improved, then how to design a kind of efficient liquid ammonia evaporator skid mounted equipment for being used to overhaul, this needs as us
Solve the problems, such as.
The content of the invention
It is an object of the invention to provide a kind of liquid ammonia evaporator skid mounted equipment, solve asking proposed in background technology
Topic.
Above-mentioned to solve the problems, such as, the present invention provides following technical scheme：A kind of liquid ammonia evaporator skid mounted equipment, storage tank and
Surge tank, the buffering pot bottom are fixedly connected on bottom plate by foundation bolt, and the surge tank is provided with ammonia outlet, buffering
Tank top connection the first safety diverging mouth, the surge tank connect storage tank by evaporator, and the tank top is provided with sewage draining exit,
The second safety is provided with the right side of the sewage draining exit and dissipates mouth, the tank bottom is provided with discharge outlet, and the storage tank is fixed and is welded in bottom
Plate, the liquefied ammonia entrance connect evaporator, and the evaporator combines connection by multiple coil pipes, and the coil pipe is set to two layers of knot
Structure, endothecium structure are set to liquid ammonia medium layer, and layer structure is set to warm water dielectric layer, and the evaporator is provided with steam inlet, described
Steam inlet connects steam control valve, and the first safety diverging mouth connects evaporator, and the first safety hair by coil pipe
Thermometric instrument is provided with the right side of raw edge.
Preferably, the ammonia outlet is provided with air pressure regulator, is realized by air pressure regulator and controls the ammonia outlet to be
0.2-0.3MPa。
Preferably, liquid level sensor is provided with inside the storage tank and surge tank, the liquefied ammonia entrance is provided with magnetic valve, liquid
Level sensor is electrically connected with relay, and relay is electrically connected with magnetic valve.
Preferably, pressure sensor is provided with inside the surge tank, pressure sensor is electrically connected with relay, relay electricity
Property connection magnetic valve.
Preferably, the thermometric instrument, which is shown, is set to evaporator water temperature inside, and the water temperature is set as 85 DEG C ± 2.5 DEG C,
By controlling steam control valve to realize control water temperature.
Compared with prior art, beneficial effects of the present invention are as follows：
1. global design of the present invention changes traditional design thinking, motorized is realized by this liquid ammonia evaporator skid mounted equipment
Repair apparatus, liquid ammonia evaporator skid mounted equipment be it is a kind of integrate evaporation, pressure regulation, the skid mounted equipment of buffering, prying body mainly by
Evaporator, magnetic valve, steam control valve, air pressure regulator, surge tank etc. form, and liquefied ammonia enters evaporator after filtering, through steaming
After sending out device gasification, transmission ＆ distribution are depressurized to after 0.2-0.3MPa to ammonia surge tank by air pressure regulator.
2. the present invention is by surge tank and tank designs liquid level sensor, by liquid level sensor be electrically connected with after
Electrical equipment, relay are electrically connected with magnetic valve, realize to automatically control and close liquefied ammonia entrance, while pressure is devised in surge tank
Sensor, when pressure inside the tank is excessive, the relay circuit closure of pressure sensor connection, drive closed electromagnetic valve, realization is automatically
Control, improves device security.
Brief description of the drawings
Fig. 1 is a kind of liquid ammonia evaporator skid mounted equipment structure schematic diagram of the present invention；
Fig. 2 is a kind of liquid ammonia evaporator skid mounted equipment side angle degree schematic diagram of the present invention；
In figure：1- storage tanks, 2- surge tanks, 3- foundation bolts, 4- ammonia outlets, the safety diverging mouths of 5- first, 6- evaporators, 7- rows
Dirty mouth, the safety diverging mouths of 8- second, 9- discharge outlet, 10- liquefied ammonia entrances, 11- coil pipes, 12- steam inlets, 13- steam control valves,
14- thermometric instruments, 15- air pressure regulators, 16- magnetic valves, 17- overfalls.
Embodiment
Below in conjunction with real-Shi Lizhong of the invention accompanying drawing, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme：A kind of liquid ammonia evaporator skid mounted equipment, storage tank 1 and buffering
Tank 2, the bottom of surge tank 2 are fixedly connected on bottom plate by foundation bolt 3, and the surge tank 2 is provided with ammonia outlet 4, delay
The top of tank 2 connection the first safety diverging mouth 5 is rushed, the surge tank 2 connects storage tank 1 by evaporator 6, and the top of storage tank 1 is set
There is sewage draining exit 7, the right side of sewage draining exit 7 is provided with the second safety and dissipates mouth 8, and the bottom of storage tank 1 is provided with discharge outlet 9, the storage
Tank 1, which is fixed, is welded in bottom plate, and the liquefied ammonia entrance 10 connects evaporator 6, and the evaporator 6 combines connection by multiple coil pipes 11,
And the coil pipe 11 is set to double-layer structure, endothecium structure is set to liquid ammonia medium layer, and layer structure is set to warm water dielectric layer, the steaming
Hair device 6 is provided with steam inlet 12, and the steam inlet 12 connects steam control valve 13, and the first safety diverging mouth 5 passes through disk
Pipe 5 connects evaporator 6, and the right side of the first safety diverging mouth 5 is provided with thermometric instrument 14, and the storage tank is provided with overfall
17。
The ammonia outlet 4 is provided with air pressure regulator 15, realizes that control ammonia outlet 4 is by air pressure regulator 15
0.2-0.3MPa.It can realize that control is controlled to ammonia emission by so designing, use is safer.
The inside of storage tank 1 and surge tank 2 is provided with liquid level sensor, and the liquefied ammonia entrance 10 is provided with magnetic valve 16, liquid
Level sensor is electrically connected with relay, and relay is electrically connected with magnetic valve 16.Fixer can be set by this design method
Position, when liquid level reaches it is certain when, by Control magnetic valve 16, realization, which automatically controls, closes liquefied ammonia entrance 10, uses
Safety.
The inside of surge tank 2 is provided with pressure sensor, and pressure sensor is electrically connected with relay, and relay is electrically connected with
Magnetic valve 16.Realize that magnetic valve 16 is closed automatically by relay and pressure sensor by so designing.
The display of thermometric instrument 14 is set to the water temperature inside of evaporator 6, and the water temperature is set as 85 DEG C ± 2.5 DEG C, passed through
Steam control valve 13 is controlled to realize control water temperature., can be by controlling steam to adjust by so designing after the coolant-temperature gage detected
The aperture of valve 13 is saved, adjusts the dosage of steam, ensures water temperature all the time in the working range of setting.
Operation principle：It should be noted that be that liquefied ammonia enters evaporator 6 after filtering by liquefied ammonia entrance 10 first, warp
After evaporator 6 gasifies, transmission ＆ distribution pass through level sensing to ammonia surge tank 2 after being depressurized to 0.2-0.3MPa by air pressure regulator 15
Device is electrically connected with relay, and relay is electrically connected with magnetic valve 16, realizes to automatically control and closes liquefied ammonia entrance 10, while slow
Rush in tank 2 and devise pressure sensor, when pressure inside the tank is excessive, the relay circuit of pressure sensor connection closes, and drives electricity
Magnet valve 16 is closed, and realization automatically controls, and improves device security.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (5)
1. a kind of liquid ammonia evaporator skid mounted equipment, storage tank（1）And surge tank（2）, it is characterised in that：The surge tank（2）Bottom
Pass through foundation bolt（3）It is fixedly connected on bottom plate, the surge tank（2）It is provided with ammonia outlet（4）, surge tank（2）Top connects
Connect the first safety diverging mouth（5）, the surge tank（2）Pass through evaporator（6）Connect storage tank（1）, the storage tank（1）Top is provided with
Sewage draining exit（7）, the sewage draining exit（7）Right side is provided with the second safety and dissipates mouth（8）, the storage tank（1）Bottom is provided with discharge outlet
（9）, the storage tank（1）Fixation is welded in bottom plate, the liquefied ammonia entrance（10）Connect evaporator（6）, the evaporator（6）By more
Individual coil pipe（11）Combination connection, and the coil pipe（11）Double-layer structure is set to, endothecium structure is set to liquid ammonia medium layer, layer structure
It is set to warm water dielectric layer, the evaporator（6）Provided with steam inlet（12）, the steam inlet（12）Connect steam control valve
（13）, the first safety diverging mouth（5）Pass through coil pipe（11）Connect evaporator（6）, and the first safety diverging mouth（5）It is right
Side is provided with thermometric instrument（14）.
A kind of 2. liquid ammonia evaporator skid mounted equipment according to claim 1, it is characterised in that：The ammonia outlet（4）On
Provided with air pressure regulator（15）, pass through air pressure regulator（15）Realize control ammonia outlet（4）For 0.2-0.3MPa.
A kind of 3. liquid ammonia evaporator skid mounted equipment according to claim 1, it is characterised in that：The storage tank（1）And buffering
Tank（2）Inside is provided with liquid level sensor, the liquefied ammonia entrance（10）It is provided with magnetic valve（16）, liquid level sensor be electrically connected with after
Electrical equipment, relay are electrically connected with magnetic valve（16）.
A kind of 4. liquid ammonia evaporator skid mounted equipment according to claim 3, it is characterised in that：The surge tank（2）It is internal
Provided with pressure sensor, pressure sensor is electrically connected with relay, and relay is electrically connected with magnetic valve（16）.
A kind of 5. liquid ammonia evaporator skid mounted equipment according to claim 1, it is characterised in that：The thermometric instrument（14）It is aobvious
Show and be set to evaporator（6）Water temperature inside, the water temperature is set as 85 DEG C ± 2.5 DEG C, by controlling steam control valve（13）Realize
Control water temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711307431.2A CN107879359A (en) | 2017-12-11 | 2017-12-11 | A kind of liquid ammonia evaporator skid mounted equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711307431.2A CN107879359A (en) | 2017-12-11 | 2017-12-11 | A kind of liquid ammonia evaporator skid mounted equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107879359A true CN107879359A (en) | 2018-04-06 |
Family
ID=61773899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711307431.2A Pending CN107879359A (en) | 2017-12-11 | 2017-12-11 | A kind of liquid ammonia evaporator skid mounted equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107879359A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070234753A1 (en) * | 2004-09-30 | 2007-10-11 | Mayekawa Mfg. Co., Ltd. | Ammonia/co2 refrigeration system |
| CN101476668A (en) * | 2009-01-21 | 2009-07-08 | 北京博奇电力科技有限公司 | Ammonia gas supply system with liquid ammonia as raw materials |
| CN102078755A (en) * | 2010-11-26 | 2011-06-01 | 天津市华迈燃气技术发展有限公司 | Integrally skid-mounted denitration device of power plant |
| CN103480162A (en) * | 2013-08-12 | 2014-01-01 | 北京博智伟德环保科技有限公司 | Novel energy-saving liquid ammonia evaporation system and control method thereof |
| CN104315338A (en) * | 2014-10-20 | 2015-01-28 | 宝鸡市泰康工程技术有限责任公司 | Skid-mounted liquid ammonia vaporizer assembly |
| CN205586590U (en) * | 2016-04-22 | 2016-09-21 | 湖北强达环保科技股份有限公司 | Liquid ammonia evaporation system |
| CN206535212U (en) * | 2017-01-03 | 2017-10-03 | 山东金晶科技股份有限公司 | Liquid ammonia evaporation system |
| CN107303437A (en) * | 2016-04-22 | 2017-10-31 | 湖北强达环保科技股份有限公司 | A kind of liquid ammonia evaporation system |
-
2017
- 2017-12-11 CN CN201711307431.2A patent/CN107879359A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070234753A1 (en) * | 2004-09-30 | 2007-10-11 | Mayekawa Mfg. Co., Ltd. | Ammonia/co2 refrigeration system |
| CN101476668A (en) * | 2009-01-21 | 2009-07-08 | 北京博奇电力科技有限公司 | Ammonia gas supply system with liquid ammonia as raw materials |
| CN102078755A (en) * | 2010-11-26 | 2011-06-01 | 天津市华迈燃气技术发展有限公司 | Integrally skid-mounted denitration device of power plant |
| CN103480162A (en) * | 2013-08-12 | 2014-01-01 | 北京博智伟德环保科技有限公司 | Novel energy-saving liquid ammonia evaporation system and control method thereof |
| CN104315338A (en) * | 2014-10-20 | 2015-01-28 | 宝鸡市泰康工程技术有限责任公司 | Skid-mounted liquid ammonia vaporizer assembly |
| CN205586590U (en) * | 2016-04-22 | 2016-09-21 | 湖北强达环保科技股份有限公司 | Liquid ammonia evaporation system |
| CN107303437A (en) * | 2016-04-22 | 2017-10-31 | 湖北强达环保科技股份有限公司 | A kind of liquid ammonia evaporation system |
| CN206535212U (en) * | 2017-01-03 | 2017-10-03 | 山东金晶科技股份有限公司 | Liquid ammonia evaporation system |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180406 |
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| WD01 | Invention patent application deemed withdrawn after publication |