CN206152577U - Device based on inflation refrigeration purification ammonia - Google Patents
Device based on inflation refrigeration purification ammonia Download PDFInfo
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- CN206152577U CN206152577U CN201621203576.9U CN201621203576U CN206152577U CN 206152577 U CN206152577 U CN 206152577U CN 201621203576 U CN201621203576 U CN 201621203576U CN 206152577 U CN206152577 U CN 206152577U
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Abstract
The utility model discloses a device based on inflation refrigeration purification ammonia, the device can also include cryogenic liquids filling pump, finished product jar, cooling water set, nitrogen purging equipment and heater including the buffer tank that connects gradually, elementary adsorption system, primary filter system, compressor, inflation refrigerating system, vaporizer, degree of depth adsorption system, degree of depth filtration system, rectifying column. The utility model discloses an utilize inflation refrigeration method ammonia recovery to prepare the device of high -purity ammonia, retrieve to LED factory tail gas very much that to prepare high -purity ammonia effective, carry out the cyclic utilization of the energy.
Description
Technical field
The utility model is related to a kind of ammonia equipment for purifying, and in particular to a kind of device that ammonia is purified based on swell refrigeration
And, can be used for the Ammonia recovery purification of LED industry.
Background technology
High-purity ammon acts on big sun and can provide nitrogen source and IC manufacturing, compound for silicon nitride film in industry
Semiconductor, liquid crystal display and preferably provide for cleaning silicon chip cleaning process gas ammonia；High-purity ammon is used as electronics row
The raw material of industry, the quality of its product is most important, is directly connected to the yield of final products, for raw material quality and into
The development of sheet and industry is all have close relationship.The ultrapure ammonia conduct produced using extensive process more than existing market
The source of goods, and the method price eighteenth of the twenty is expensive, product-specific investments are big, and unit price is high.Meanwhile, ammonia（NH4）In being largely used to LED production technologies,
And a large amount of recovery waste gas are produced, pollute the environment if not being used and also result in the wasting of resources；Therefore need to provide new
Device can purify recovery ammonia to purify ammonia, especially.
The content of the invention
The purpose of this utility model is to provide a kind of device that ammonia is purified based on swell refrigeration, for raw material ammonia air lift
It is pure, especially suitable recovery ammonia purification.
To reach above-mentioned utility model purpose, the technical solution adopted in the utility model is：One kind is carried based on swell refrigeration
The device of pure ammonia, including the surge tank being sequentially connected, primary adsorption system, Primary filter system, compressor, swell refrigeration system
System, gasifier, depth adsorption system, depth-type filtration system, rectifying column；The primary adsorption system includes primary absorber；Institute
Primary filter system is stated including primary filter；The expansion refrigeration system includes that blower fan is braked decompressor, is sequentially connected
One-level heat transmission equipment, second level heat transmission equipment, third level heat transmission equipment；The depth adsorption system includes depth absorber；Institute
Depth-type filtration system is stated including deep filter；The rectifying column tower top is provided with condenser, bottom and is provided with tower reactor；The first order
Heat transmission equipment is made up of First Heat Exchanger with the first gas-liquid separator；The second level heat transmission equipment is by the second heat exchanger and second
Gas-liquid separator is constituted；The third level heat transmission equipment is made up of the 3rd heat exchanger and the 3rd gas-liquid separator；The compressor
It is connected with First Heat Exchanger；The gasifier is connected with First Heat Exchanger；The blower fan braking decompressor exchanges heat successively with the 3rd
Device, the second heat exchanger, First Heat Exchanger connection.
In above-mentioned technical proposal, the connection referred to and connected between each equipment, is conveyed for gas or liquid, if gas
Body transmission is then tracheae connection, is liquid pipe connection if liquid is transmitted；Pipeline is existing mode with the connected mode of each part,
Do not reveal；Some parts connect multiple miscellaneous parts simultaneously in the utility model, reach save energy, are reached with minimal consumption
To optimal refining effect, those skilled in the art may be referred to the understanding of the utility model embodiment.
In above-mentioned technical proposal, first order heat transmission equipment, second level heat transmission equipment, the third level heat transmission equipment being sequentially connected
Composition multilevel heat exchanger, the ammonia purity after series more high disposal is higher；Every grade of heat transmission equipment is all by heat exchanger and gas-liquid
Separator constitute, heat exchanger include for heat exchange cold source gas gateway, for detached raw material gateway, liquid ammonia come in and go out
Mouthful, gas-liquid separator includes feed(raw material)inlet, gas vent and liquid outlet；Raw material after heat exchange（Gas-liquid mixture）Into gas
Liquid/gas separator realizes gas-liquid separation, obtains gas and liquid ammonia, enters back into respective transmission path.
In above-mentioned technical proposal, expansion refrigeration system is crucial composition, plays the effect of refrigerated separation, and front end receives compression
Mixed gas afterwards, the ammonia after the output liquefaction separation of rear end purifies path according to ammonia, and concrete connected mode is the first heat exchange
Device material outlet, the first gas-liquid separator feed(raw material)inlet, the first gas-liquid separator gas vent, the second heat exchanger feed(raw material)inlet,
Second gas-liquid separator feed(raw material)inlet, the second gas-liquid separator gas vent, the 3rd heat exchanger feed(raw material)inlet, the 3rd gas-liquid separation
Device feed(raw material)inlet is sequentially connected；3rd gas-liquid separator liquid outlet is connected with the second heat exchanger liquid ammonia entrance；Second gas-liquid
Separator liquid outlet is connected with the second heat exchanger liquid ammonia entrance；First gas-liquid separator liquid outlet and First Heat Exchanger liquid
Body ammonia entrance connects；The outlet of second heat exchanger liquid ammonia is connected with First Heat Exchanger liquid ammonia entrance.Preferably, the 3rd gas-liquid point
From device liquid outlet converge with the second gas-liquid separator liquid outlet after be connected with the second heat exchanger liquid ammonia entrance again；Second changes
Hot device liquid ammonia outlet is connected again after converging with the first gas-liquid separator liquid outlet with First Heat Exchanger liquid ammonia entrance；First
The outlet of heat exchanger liquid ammonia is connected with gasifier.So as to enter after re-heat through the liquid ammonia of gas-liquid separator separates at different levels
Gasifier, gasify laggard adsorption system, carries out depth absorption, and now ammonia purity is more than 99.1%.
In preferred technical scheme, each gas-liquid separator liquid outlet is connected to fluid pressure valve, for adjusting liquid
The pressure of ammonia is 0.25 MPa；Process beneficial to depth absorption and depth-type filtration.
In above-mentioned technical proposal, blower fan braking decompressor is that oil-free lubrication blower fan brakes decompressor, provides cold for heat exchanger
Source, blower fan braking expander outlet temperature control is -70 ~ -75 DEG C.Preferably, blower fan braking decompressor is successively with the 3rd
Heat exchanger, the second heat exchanger, First Heat Exchanger form circulation connection, and the low-temperature receiver of depleted of energy can return the promotion as blower fan
Gas；3rd gas-liquid separator gas vent is sequentially connected with the second heat exchanger, blower fan braking decompressor, the 3rd gas-liquid separator
Through the laggard expansion unit of the second heat exchanger re-heat, successively step by step reflux heat exchanger makees cold to the cryogenic gas after expansion to light component
Source, goes out to reclaim low-temperature receiver after heat exchanger, while light component can also pass into expansion unit does between centers protector；Blower fan braking expansion
Machine is connected with tower bottom of rectifying tower, and between centers protector can be used as tower reactor thermal source；Low-temperature receiver energy, energy-conservation can be at utmost utilized to subtract
Row, reduces energy consumption.
In above-mentioned technical proposal, primary adsorption system is many primary absorbers of series connection, the absorption depth of primary absorber
Spend for oxycarbide less than 10ppm, moisture less than 10ppm, in preferred primary absorber, bottom is aluminum oxide, and top is 5A point
Son sieve；Ensure the precision of successive depths absorption.Depth adsorption system is two groups of depth absorbers in parallel, one group during one group of work
Regeneration is processed, it is ensured that propose that work is continuous, and every group of depth absorber includes many depth adsorption columns of series connection, depth absorption
The adsorption deeply of post is that oxycarbide is less than 1ppm less than 1ppm, moisture；Ammonia after depth absorption is delivered to depth-type filtration.
In above-mentioned technical proposal, regeneration process is carried out to depth absorber using nitrogen purging, nitrogen purger includes
Nitrogen heater, noise reduction venting device, nitrogen stream gauge；Nitrogen heater is connected with depth adsorption column, the nitrogen purging after heating
Depth adsorption column realizes that regeneration is processed, and Efficient Cycle is utilized, energy-saving and emission-reduction, and the nitrogen after purging is discharged.
In above-mentioned technical proposal, can brake in blower fan and heater is set between decompressor and tower bottom of rectifying tower, from blower fan
The between centers shielding gas that braking decompressor goes out enters tower reactor after can heating；Further, it is provided with heater ratio in tower reactor lateral wall
Such as electric heater unit, in case between centers shielding gas temperature is inadequate, strengthening action is played.
In above-mentioned technical proposal, it is described based on swell refrigeration purify ammonia device also include low-temperature liquid filling pump, into
Product tank, handpiece Water Chilling Units, preferred handpiece Water Chilling Units include cold water storage cistern and water pump；Handpiece Water Chilling Units are provided with condenser company with rectifying column tower top
Connect, rectifying tower top condenser low-temperature receiver is provided by handpiece Water Chilling Units, rectifier goes out product high-purity ammon gas, the high-purity ammonia of product is passed through
Low-temperature liquid filling pump carries out filling into finished pot, can be used for industrial production.
In above-mentioned technical proposal, surge tank plays cushioning effect to reclaim raw material ammonia；Primary filter system is by primary mistake
Filter is constituted, and filters out and process, primary filter are compressed to gas into oil-free lubricating piston compressor after solid impurity
Precision be 1 micron；Compressor is middle pressure piston oil-free lubrication compressor, can be equipped with two groups, and one opens one for being used alternatingly.It is excellent
Depth-type filtration system is selected to be made up of many deep filters connected, the precision of deep filter is 0.1 micron.
In above-mentioned technical proposal, the rectifying column middle part is provided with treats rectifying ammonia feed mouth, and top is provided with high-purity ammonia and goes out
Material mouth；Rectifying column is the cryogenic rectification operation of middle pressure, tower charging in employing, upper tower discharging, middle part charging, and liquid lower floor is to tower
Kettle, rise through tower reactor heating light component carries out heat exchange with sinking heavy constituent liquid, and tower top light component removes tail gas absorption
System, can be with maximally effective purification ammonia, and the high-purity ammonia for obtaining carries out filling into finished pot through low-temperature liquid filling pump, can
For industrial production.
The device for purifying ammonia based on swell refrigeration of the present utility model is returned for technical grade ammonia, especially LED enterprises
Ammonia purification high purity ammonia is received, the method for purifying ammonia using the above-mentioned device for purifying ammonia based on swell refrigeration, including
Following steps：
（1）Primary adsorption system is entered after the buffered tank of unstrpped gas carries out primary adsorption treatment；
（2）Gas after primary adsorption treatment carries out primary filter process into Primary filter system；
（3）Enter after gas compression after primary filter after First Heat Exchanger and enter back into the first gas-liquid separator；First gas
The gas of liquid/gas separator output enters back into the second gas-liquid separator into after the second heat exchanger；The gas of the second gas-liquid separator output
Body enters back into the 3rd gas-liquid separator into after the 3rd heat exchanger；
The liquid of the first gas-liquid separator output is entered after First Heat Exchanger and enters gasifier；Second gas-liquid separator is exported
Liquid sequentially enter after the second heat exchanger, First Heat Exchanger enter gasifier；The liquid of the 3rd gas-liquid separator output is successively
Gasifier is entered into after the second heat exchanger, First Heat Exchanger；
（4）Gas after gasifier gasification enters depth-type filtration after depth absorption；
（5）Gas after depth-type filtration treats that rectifying ammonia feed mouth carries out rectification process into rectifying column from rectifying column；Most
Export the ammonia after purification from the high-purity ammonia discharging opening of rectifying column afterwards.
In above-mentioned technical proposal, the unstrpped gas is that ammonia is reclaimed in LED productions；The unstrpped gas volume constituents are：
NH3：8.13%、CH4：29.9%、H2：10.49%、N2：42.18%、O2：8.19%, remaining is moisture and beavy metal impurity.
In above-mentioned technical proposal, First Heat Exchanger is entered after the gas compression after primary filter to 2.2MPa；The pressure has
Separate beneficial to expansion, can effectively remove the most of impurity in unstrpped gas, collaboration link is played to successive depths adsorption system
Effect.
In the utility model, absorber carries out adsorption treatment, carbon dioxide and water in absorption unstrpped gas to unstrpped gas
Point, filter filtering solid particles thing；By volume, carbon oxides in gas is less than 10ppm after primary adsorption treatment, and moisture is low
After 10ppm, depth absorption, oxycarbide is less than 1ppm less than 1ppm, moisture；Solid particulate matter after primary filter in gas
Particle diameter is less than 1 micron, and the solid particulate matter particle diameter after depth-type filtration in gas is less than 0.1 micron.
In above-mentioned technical proposal, the gas after compression is entered after First Heat Exchanger and enters the first gas-liquid separator, light component
Into the second heat exchanger, the liquefied ammonia that liquefaction point ammonia gets off is decompressed to after 0.25MPa by expenditure and pressure valve, with the second gas-liquid separation
Device liquid composition is converged after return first order heat exchanger re-heat, removes gasifier；From the first gas-liquid separator gaseous component out gas
Body enters after the second heat exchange to enter the second gas-liquid separator, and wherein light component enters the 3rd heat exchanger, and the liquefied ammonia for liquefying is through section
The stream liquid composition that is decompressed to after 0.25MPa with the 3rd gas-liquid separator separates out of valve is converged, sequentially enter the second heat exchanger,
Gasifier is entered after First Heat Exchanger；Enter the 3rd heat exchanger gas after heat exchange, into the 3rd gas-liquid separator, wherein ammonia
0.25MPa is decompressed to by choke valve after liquefaction point ammonia, is converged with the liquefied ammonia of the second gas-liquid separator and is sequentially entered second
Gasifier is entered after heat exchanger, First Heat Exchanger, light component is low after expansion through the laggard expansion unit of the second heat exchanger re-heat
Successively step by step reflux heat exchanger makees low-temperature receiver to wet body, to reclaim and go out heat exchanger after low-temperature receiver.
In above-mentioned technical proposal, from decompressor gas temperature out reach -70 ~ -75 DEG C, sequentially pass through the 3rd heat exchanger,
Second heat exchanger, First Heat Exchanger；From First Heat Exchanger out laggard expansion unit blower fan as brake gas, then blowing machine
With the 3rd gas-liquid separator separates go out as bearing shielding gas, all the way light component is converged, going out to expand unit can be used as rectifying tower
Kettle thermal source is used.
In above-mentioned technical proposal, through the ammonia of gasifier gasification depth adsorption system is entered, carry out depth absorption.Absorption system
Unite and constituted for two groups of depth adsorbers parallels, wherein, one group of work, one group of regeneration, regeneration gas is high pure nitrogen, carbon oxygen to be adsorbed
Compound and moisture to 1ppm and it is following after, through thtee-stage shiplock deep filter, filtering solid particles thing is to after less than 0.1 micron
Into rectifying column middle part.
In above-mentioned technical proposal, the exhaust gas composition in the flow process includes light component and heavy constituent, and wherein light component is oxygen
Gas, nitrogen, hydrogen, oxycarbide etc., restructuring is divided into water, heavy metal substance etc..
Because above-mentioned technical proposal is used, the utility model has compared with prior art following advantages：
1. the utility model develops a kind of device of utilization swell refrigeration method Ammonia recovery high purity ammonia, creates
Property combination absorption, filter, swell refrigeration, enable energy to be fully utilized, it is energy-saving and environment-friendly；
2. the utility model first adopts preliminary adsorption treatment, then carries out depth absorption, enables the impurity composition in tail gas
Effectively control is accessed, with accurately reliability, so as to obtain high purity ammonia gas；
3. the utility model can be reclaimed effectively to rectifying tower basic skill or training's industry ammonia, cost-effective to producing
Control；And the purification efficiency of purifying plant of the present utility model is high, and easily operated, cost is relatively low, is suitable to popularization and application.
Description of the drawings
Fig. 1 is the structural representation of the device that embodiment one purifies ammonia based on swell refrigeration.
Wherein：1st, surge tank, 2, primary adsorption system, 3, Primary filter system, 4, compressor, 5, expansion refrigeration system,
6th, depth adsorption system, 7, depth-type filtration system, 8, rectifying column, 9, low-temperature liquid filling pump, 10, finished pot, 11, cooling-water machine
Group, 12, primary absorber, 13, primary filter, 14, blower fan braking decompressor, 15, First Heat Exchanger, the 16, first gas-liquid point
From device, the 17, second heat exchanger, the 18, second gas-liquid separator, the 19, the 3rd heat exchanger, the 20, the 3rd gas-liquid separator, 21, fluid
Pressure-reducing valve, 22, depth absorber, 23, deep filter, 24, nitrogen heater, 25, noise reduction venting device, 26, nitrogen stream gauge,
27th, noise reduction venting device, 28, condenser, 29, tower reactor, 30, cold water storage cistern, 31, water pump, 32, treat rectifying ammonia feed mouth, 33, high-purity
Ammonia discharging opening, 34, heater, 35, gasifier.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model：
Embodiment one
It is shown in Figure 1, a kind of device that ammonia is purified based on swell refrigeration include surge tank 1, primary adsorption system 2,
Primary filter system 3, compressor 4, swell refrigeration system 5, depth adsorption system 6, depth-type filtration system 7, rectifying column 8, Low Temperature Liquid
Body filling pump 9, finished pot 10, handpiece Water Chilling Units 11, gasifier 35；
The primary adsorption system is two primary absorbers 12 of series connection, adsorption deeply be oxycarbide less than 10ppm,
Moisture is less than 10ppm；Primary filter system is primary filter 13 that precision is 1 micron；
The expansion refrigeration system includes first order heat transmission equipment, the second level that blower fan is braked decompressor 14, is sequentially connected
Heat transmission equipment, third level heat transmission equipment；First order heat transmission equipment is made up of First Heat Exchanger 15 with the first gas-liquid separator 16；The
Secondary heat exchange equipment is made up of the second heat exchanger 17 with the second gas-liquid separator 18；Third level heat transmission equipment is by the 3rd heat exchanger 19
Constitute with the 3rd gas-liquid separator 20；Heat exchanger includes cold source gas gateway, raw material gateway, liquid ammonia gateway；Gas-liquid
Separator includes feed(raw material)inlet, gas vent and liquid outlet；Each gas-liquid separator liquid outlet is connected to fluid pressure
Valve 21；First Heat Exchanger material outlet, the first gas-liquid separator feed(raw material)inlet, the first gas-liquid separator gas vent, second are changed
Hot device feed(raw material)inlet, the second gas-liquid separator feed(raw material)inlet, the second gas-liquid separator gas vent, the 3rd heat exchanger raw material enter
Mouth, the 3rd gas-liquid separator feed(raw material)inlet are sequentially connected；3rd gas-liquid separator liquid outlet enters with the second heat exchanger liquid ammonia
Mouth connection；Second gas-liquid separator liquid outlet is connected with the second heat exchanger liquid ammonia entrance；First gas-liquid separator liquid discharge
Mouth is connected with First Heat Exchanger liquid ammonia entrance；The outlet of second heat exchanger liquid ammonia is connected with First Heat Exchanger liquid ammonia entrance；
The depth adsorption system is two groups of depth absorbers 22 in parallel, and every group of depth absorber includes two for connecting
Depth adsorption column, the adsorption deeply of depth adsorption column is that oxycarbide is less than 1ppm less than 1ppm, moisture, is gated by conventional valve
Working group processed and regeneration group；Depth-type filtration system is the deep filter 23 that three precision of series connection are 0.1 micron；Also include nitrogen
Gas purger is used for the regeneration of adsorption column and processes, and is made up of nitrogen heater 24, noise reduction venting device 25, nitrogen stream gauge 26,
Nitrogen after purging is emptied by noise reduction venting device 27；
The compressor is connected with First Heat Exchanger；The gasifier is connected with First Heat Exchanger；Rectifying column tower top is provided with
Condenser 28, bottom is provided with tower reactor 29, and handpiece Water Chilling Units include cold water storage cistern 30 and water pump 31, and handpiece Water Chilling Units are cold with rectifying column tower top
Condenser connects, and rectifying tower top condenser low-temperature receiver is provided by handpiece Water Chilling Units；Rectifying column be provided with treat rectifying ammonia feed mouth 32 with it is high-purity
Ammonia discharging opening 33；
The blower fan braking decompressor is connected successively with the 3rd heat exchanger, the second heat exchanger, First Heat Exchanger circulation；3rd
Gas-liquid separator gas vent is sequentially connected with the second heat exchanger, blower fan braking decompressor；Blower fan brakes decompressor and rectifying column
Tower reactor connects；Blower fan is braked and arrange between decompressor and tower bottom of rectifying tower heater 34, and from blower fan the between centers that decompressor goes out is braked
Shielding gas enters tower reactor after can heating, and heater is provided with evacuation port.
In accompanying drawing, single arrow represents that ammonia purifies direction；Double-head arrow represents low-temperature receiver loop direction；Three arrows represent the 3rd gas
Liquid/gas separator light component direction, supplies all the way, all the way as between centers shielding gas as low-temperature receiver；Four arrows represent that between centers shielding gas enters
Tower reactor direction；In order to accompanying drawing understands, purging nitrogen direction does not represent that tail gas direction does not represent, condenser water (flow) direction does not have
Have at expression, and same parts mark one, some traditional valve connectors are not marked, and do not affect utility model effect.
The method for purifying ammonia using the above-mentioned device for purifying ammonia based on swell refrigeration, comprises the following steps：
（1）LED factories emission carries out primary suction as primary adsorption system is entered after the buffered tank voltage stabilizing of unstrpped gas
Attached process, it is 5A molecular sieves that absorber bottoms are aluminum oxide top, by entering primary absorber, oxycarbide in tail gas and water
Divide and be adsorbed to 10ppm；
（2）Gas after primary adsorption treatment carries out primary filter process into Primary filter system, filters out through inhaling
Process is compressed to gas into oil-free lubricating piston compressor after the solid impurity of adnexa；
（3）Gas compression after primary filter enters to 2.2MPa and the first gas-liquid separator is entered after First Heat Exchanger,
Light component enters the second heat exchanger, and the liquefied ammonia that liquefaction point ammonia gets off is decompressed to after 0.25MPa by expenditure and pressure valve, with the second gas
Liquid/gas separator liquid composition is converged after return first order heat exchanger re-heat, removes gasifier；From the first gas-liquid separator gaseous component
Out gas enters after the second heat exchange to enter the second gas-liquid separator, and wherein light component enters the 3rd heat exchanger, the liquefied ammonia for liquefying
Liquid composition with the 3rd gas-liquid separator separates out after choke valve is decompressed to 0.25MPa is converged, and sequentially enters second
Gasifier is entered after heat exchanger, First Heat Exchanger；Enter the 3rd heat exchanger gas after heat exchange, into the 3rd gas-liquid separator,
Wherein ammonia is decompressed to 0.25MPa after liquefaction point ammonia by choke valve, converges successively with the liquefied ammonia of the second gas-liquid separator
Gasifier is entered into after the second heat exchanger, First Heat Exchanger, light component is swollen through the laggard expansion unit of the second heat exchanger re-heat
Successively step by step reflux heat exchanger makees low-temperature receiver to cryogenic gas after swollen；The temperature of the 3rd heat exchanger is -70 ~ -75 DEG C；Second heat exchanger
Temperature, the temperature of First Heat Exchanger raises successively；
From decompressor gas temperature out reach -70 ~ -75 DEG C, sequentially pass through the 3rd heat exchanger, the second heat exchanger, first
Heat exchanger；From First Heat Exchanger out it is laggard expansion unit blower fan as brake gas, then blowing machine and the 3rd gas-liquid separation
Device isolate as bearing shielding gas, all the way light component is converged, going out to expand unit can use as tower bottom of rectifying tower thermal source, must
Can heat through heater when wanting；
（4）Enter depth adsorption system through the ammonia of gasifier gasification, carry out depth absorption.Adsorption system is two groups of depth
Adsorbers parallel is constituted, wherein, one group of work, one group of regeneration, regeneration gas is high pure nitrogen, and oxycarbide to be adsorbed is with moisture extremely
1ppm and it is following after, through thtee-stage shiplock deep filter, filtering solid particles thing to less than 0.1 micron enters afterwards in rectifying column
Portion；
（5）Gas after depth-type filtration treats that rectifying ammonia feed mouth carries out rectification process into rectifying column from rectifying column；Most
Afterwards the ammonia after purification is exported from the high-purity ammonia discharging opening of rectifying column, rectifying column is that distillation process is pressed in low temperature, middle part charging, liquid
To tower reactor, rise through tower reactor heating light component carries out heat exchange with sinking heavy constituent liquid, and tower top is cold for state material lower floor
Condenser low-temperature receiver is provided by handpiece Water Chilling Units, and tower top light component removes tail gas absorbing system；It is pure that rectifier goes out product high-purity ammon volume
, more than 99.9995%, without metal residual, ammonia is recyclable uses as industrial ammonia for bottom of towe remaining industry, and product high-purity ammon is through low for degree
Geothermal liquid filling pump carries out filling into finished pot.
Embodiment two
Consistent with the structure composition of embodiment one, a kind of device for purifying ammonia based on swell refrigeration includes that what is be sequentially connected delays
Rush tank, primary adsorption system, Primary filter system, compressor, swell refrigeration system, gasifier, depth adsorption system, depth-type filtration
System, rectifying column, low-temperature liquid filling pump, finished pot, handpiece Water Chilling Units etc., rectifying column tower top is provided with condenser, bottom and is provided with tower
Kettle；Difference is that tower reactor lateral wall arranges electric heating cover, to supply heat.Using said apparatus, according to embodiment one
Method of purification, rectifier goes out product high-purity ammon bulk purity more than 99.9995%, without metal residual, the remaining industry ammonia of bottom of towe
Recyclable to use as industrial ammonia, product high-purity ammon carries out filling into finished pot through low-temperature liquid filling pump.
Embodiment three
Consistent with the structure composition of embodiment one, a kind of device for purifying ammonia based on swell refrigeration includes that what is be sequentially connected delays
Rush tank, primary adsorption system, Primary filter system, compressor, swell refrigeration system, gasifier, depth adsorption system, depth-type filtration
System, rectifying column, low-temperature liquid filling pump, finished pot, handpiece Water Chilling Units etc., rectifying column tower top is provided with condenser, bottom and is provided with tower
Kettle；Difference is to be not provided with heater between blower fan braking decompressor and tower bottom of rectifying tower, brakes what decompressor went out from blower fan
Between centers shielding gas is directly entered tower reactor.Using said apparatus, according to the method for purification of embodiment one, it is high that rectifier goes out product
, more than 99.9995%, without metal residual, ammonia is recyclable uses as industrial ammonia for bottom of towe remaining industry, and product is high for pure ammonia bulk purity
Pure ammonia carries out filling into finished pot through low-temperature liquid filling pump.
Claims (10)
1. it is a kind of based on swell refrigeration purify ammonia device, it is characterised in that：The dress that ammonia is purified based on swell refrigeration
Put including the surge tank being sequentially connected, primary adsorption system, Primary filter system, compressor, expansion refrigeration system, gasifier,
Depth adsorption system, depth-type filtration system, rectifying column；The primary adsorption system includes primary absorber；The primary filter
System includes primary filter；The expansion refrigeration system sets including blower fan braking decompressor, the first order heat exchange being sequentially connected
Standby, second level heat transmission equipment, third level heat transmission equipment；The depth adsorption system includes depth absorber；The depth-type filtration
System includes deep filter；The rectifying column tower top is provided with condenser, bottom and is provided with tower reactor；The first order heat transmission equipment by
First Heat Exchanger and the first gas-liquid separator are constituted；The second level heat transmission equipment is by the second heat exchanger and the second gas-liquid separator
Composition；The third level heat transmission equipment is made up of the 3rd heat exchanger and the 3rd gas-liquid separator；The compressor and the first heat exchange
Device connects；The gasifier is connected with First Heat Exchanger；The blower fan braking decompressor exchanges heat successively with the 3rd heat exchanger, second
Device, First Heat Exchanger connection.
2. the device that swell refrigeration purifies ammonia is based on according to claim 1, it is characterised in that：The heat exchanger includes cold
Source gas inlet-outlet, raw material gateway, liquid ammonia gateway；The gas-liquid separator include feed(raw material)inlet, gas vent and
Liquid outlet.
3. the device that swell refrigeration purifies ammonia is based on according to claim 2, it is characterised in that：Each gas-liquid separator liquid
Body outlet is all connected to fluid pressure valve.
4. the device that swell refrigeration purifies ammonia is based on according to claim 2, it is characterised in that：First Heat Exchanger raw material goes out
Mouth, the first gas-liquid separator feed(raw material)inlet, the first gas-liquid separator gas vent, the second heat exchanger feed(raw material)inlet, the second gas-liquid
Separator feed(raw material)inlet, the second gas-liquid separator gas vent, the 3rd heat exchanger feed(raw material)inlet, the 3rd gas-liquid separator raw material enter
Mouth is sequentially connected；3rd gas-liquid separator liquid outlet is connected with the second heat exchanger liquid ammonia entrance；Second gas-liquid separator liquid
Body outlet is connected with the second heat exchanger liquid ammonia entrance；First gas-liquid separator liquid outlet and First Heat Exchanger liquid ammonia entrance
Connection；The outlet of second heat exchanger liquid ammonia is connected with First Heat Exchanger liquid ammonia entrance.
5. the device that swell refrigeration purifies ammonia is based on according to claim 2, it is characterised in that：The blower fan braking expansion
Machine forms circulation and is connected with the 3rd heat exchanger, the second heat exchanger, First Heat Exchanger successively；3rd gas-liquid separator gas vent with
Second heat exchanger, blower fan braking decompressor are sequentially connected.
6. the device that swell refrigeration purifies ammonia is based on according to claim 1, it is characterised in that：The primary adsorption system
For many primary absorbers of series connection, the adsorption deeply of the primary absorber is that oxycarbide is less than less than 10ppm, moisture
10ppm；The depth adsorption system is two groups of depth absorbers in parallel, and every group of depth absorber includes many depth of series connection
Adsorption column, the adsorption deeply of the depth adsorption column is that oxycarbide is less than 1ppm less than 1ppm, moisture；The primary filter system
System is made up of primary filter, and the precision of the primary filter is 1 micron；The depth-type filtration system is deep by many connected
Filter composition is spent, the precision of the deep filter is 0.1 micron.
7. the device that swell refrigeration purifies ammonia is based on according to claim 1, it is characterised in that：Blower fan brake decompressor with
Tower bottom of rectifying tower connects.
8. the device that swell refrigeration purifies ammonia is based on according to claim 1, it is characterised in that：The tower reactor lateral wall sets
There is heater.
9. the device that swell refrigeration purifies ammonia is based on according to claim 1, it is characterised in that：It is described based on swell refrigeration
The device of purification ammonia also includes low-temperature liquid filling pump, finished pot, handpiece Water Chilling Units.
10. the device that swell refrigeration purifies ammonia is based on according to claim 1, it is characterised in that：The rectifying column middle part
It is provided with and treats rectifying ammonia feed mouth, top is provided with high-purity ammonia discharging opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621203576.9U CN206152577U (en) | 2016-11-08 | 2016-11-08 | Device based on inflation refrigeration purification ammonia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621203576.9U CN206152577U (en) | 2016-11-08 | 2016-11-08 | Device based on inflation refrigeration purification ammonia |
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| Publication Number | Publication Date |
|---|---|
| CN206152577U true CN206152577U (en) | 2017-05-10 |
Family
ID=58657684
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621203576.9U Active CN206152577U (en) | 2016-11-08 | 2016-11-08 | Device based on inflation refrigeration purification ammonia |
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| Country | Link |
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| CN (1) | CN206152577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876519A (en) * | 2019-02-22 | 2019-06-14 | 高云芝 | A kind of freezing and filtering unit of helpless filter medium |
-
2016
- 2016-11-08 CN CN201621203576.9U patent/CN206152577U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876519A (en) * | 2019-02-22 | 2019-06-14 | 高云芝 | A kind of freezing and filtering unit of helpless filter medium |
| CN109876519B (en) * | 2019-02-22 | 2021-11-30 | 高云芝 | Freezing filter unit without filter aid medium |
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Address after: 215152 Anmin Road, Panyang Industrial Park, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Jinhong Gas Co.,Ltd. Address before: 215152 No. 6 Anmin Road, Panyang Industrial Park, Huangdi Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU JINHONG GAS Co.,Ltd. |