CN209668784U - It is a kind of synthesize ammonia refrigerating process Ammonia recovery utilize system - Google Patents
It is a kind of synthesize ammonia refrigerating process Ammonia recovery utilize system Download PDFInfo
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- CN209668784U CN209668784U CN201822252396.5U CN201822252396U CN209668784U CN 209668784 U CN209668784 U CN 209668784U CN 201822252396 U CN201822252396 U CN 201822252396U CN 209668784 U CN209668784 U CN 209668784U
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- ammonium hydroxide
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Abstract
The utility model discloses a kind of Ammonia recoveries for synthesizing ammonia refrigerating process to utilize system, which includes synthetic ammonia freezing system and ammonium hydroxide synthesis system；Synthetic ammonia freezing system includes storage of described liquefied ammonia, ammonia evaporator, ammonia compressor and water cooler；Each device is connected by conveyance conduit；Ammonium hydroxide synthesis system includes ammonium hydroxide preparation facilities, ammonium hydroxide finished pot, ammonium hydroxide surge tank, tail gas absorption tank and water pump, and each device is connected by conveyance conduit；Ammonium hydroxide preparation facilities top is equipped with gas ammonia import, lower part is equipped with liquefied ammonia import, and ammonia evaporator import is connected with liquefied ammonia import, ammonia evaporator outlet is connected with gas ammonia import.That system solves the problem ammonia compressor system pressures is higher, is easy to appear fluctuation, there are problems that operation troubles, security risk, it significantly reduces the load of ammonia compressor, reduce system pressure, realize the recycling of ammonia, the wasting of resources and environmental pollution are avoided, there are good economic results in society.
Description
Technical field
The utility model belongs to chemical production technical field, and in particular to a kind of Ammonia recovery benefit for synthesizing ammonia refrigerating process
Use system.
Background technique
The cooling workshop section of synthetic ammonia installation enters the gas ammonia of ammonia evaporator through gas ammonia general pipeline mainly using liquefied ammonia as refrigerant
After suction filter filtering, into pressurizeing in screw ammonia compressor, gas out enters water cooling after oil separation
Between device pipe or in the cold pipe of evaporation, it is condensed into liquefied ammonia in this gas ammonia, storage of described liquefied ammonia is returned to, is sent by expenditure pipeline to ammonia evaporator,
It is recycled.
In ammonia cooling system, by the continuous promotion of gas load, ammonia compressor systems chiller cooling efficiency is continuous
Decline, ammonia compressor outlet ammonia cannot be condensed into liquefied ammonia in time in water cooler, cause ammonia compressor entrance, outlet pressure inclined
Height, ammonia compressor system pressure height become the big bottleneck problem for restricting production, in the actual operation process usually using " emptying
The means of decompression " are adjusted, and adjustment has the risk for jumping vehicle and causes system big amplitude wave when ammonia compressor outlet pressure is excessively high not in time
It is dynamic, and the gas released is not fully incoagulable gas, wherein containing a large amount of ammonia, therefore causes ammonia larger amount of
It loses and causes environment pollution.In order to avoid the generation of the above problem, in the prior art usually by increasing ammonia in systems
Compressor and water cooler reduce the pressure of compressor, but such method not only increases the equipment consumption of system, and
The problem that compressor load is high, pressure is high cannot be effectively reduced.
Summary of the invention
The utility model for the technical issues of be: it is existing for synthesis ammonia provide the cooling workshop section of cold source with technique
Continual progress, the chiller efficiency of ammonia compressor cooling system constantly decline, gas ammonia water cooling and it is interior cannot in time it is cold
It coagulates for liquefied ammonia, causes ammonia compressor entrance and outlet pressure higher, seriously affect production safety stable operation；What is now used " puts
Airborne pressure " scheme causes to will appear when compressor delivery pressure is excessively high and jumps the risk of vehicle, can cause system not in time in adjustment
The gas for fluctuating widely, and discharging cause the loss of ammonia, serious harm is caused to environment.
To solve the above-mentioned problems, the present invention provides a kind of Ammonia recoveries for synthesizing ammonia refrigerating process to utilize system, should
System combines utilization with synthesis ammonia cooling technique by ammonium hydroxide synthesis system, hence it is evident that reduces cooling system ammonia compressor import
And the pressure of outlet gas ammonia, solve the problems, such as that ammonia compressor system loading is high, pressure is high；Without carrying out ammonia emptying, reduce
The waste of ammonia resource also avoids ammonia emptying influence caused by environment.The system realize it is easy to operate, be easy to control
The regulating measure of system, realizing reduces the power of ammonia compressor acting, also achieves the recycling and reusing of ammonia.
The utility model is achieved through the following technical solutions
A kind of Ammonia recovery synthesizing ammonia refrigerating process utilizes system, which includes that synthetic ammonia freezing system and ammonium hydroxide close
At system；The synthetic ammonia freezing system includes storage of described liquefied ammonia (1), ammonia evaporator (2), ammonia compressor (3) and water cooler
(4)；The storage of described liquefied ammonia (1) is connected by the first conveyance conduit (5) with ammonia evaporator (2), and ammonia evaporator (2) passes through the
Two conveyance conduits (6) are connected with ammonia compressor (3), and ammonia compressor (3) passes through third conveyance conduit (7) and water cooler (4) phase
Connection, the water cooler (4) are connected by conveyance conduit with storage of described liquefied ammonia (1)；
The ammonium hydroxide synthesis system include ammonium hydroxide preparation facilities (8), ammonium hydroxide finished pot (9), tail gas absorption tank (11) with
And water pump (12)；Ammonium hydroxide preparation facilities (8) top is equipped with technique water inlet, and lower part is exported equipped with ammonium hydroxide；The technique
Water inlet is connected by conveyance conduit with water pump (12), and water pump (12) is connected by conveyance conduit with tail gas absorption tank (11)
It is logical；The ammonium hydroxide outlet is connected by conveyance conduit with ammonium hydroxide finished pot (9)；
The ammonium hydroxide preparation facilities (8) is additionally provided with liquefied ammonia import and gas ammonia import；First conveyance conduit is equipped with the
One tee pipe coupling (501), the first tee pipe coupling (501) pass through the 4th conveyance conduit (13) and ammonium hydroxide preparation facilities (8)
Liquefied ammonia import is connected；Second conveyance conduit (6) is equipped with the second tee pipe coupling (601), the second tee pipe coupling
(601) it is connected by the 5th conveyance conduit (14) with the gas ammonia import of ammonium hydroxide preparation facilities (8).
The ammonium hydroxide preparation facilities (8) gas ammonia import setting ammonium hydroxide preparation facilities (8) upper edge, liquefied ammonia into
Lower edge of the mouth setting in ammonium hydroxide preparation facilities (8).
The Ammonia recovery of the synthesis ammonia refrigerating process utilizes system, and the 4th conveyance conduit (13) is equipped with liquefied ammonia
Flow control valve and flowmeter；5th conveyance conduit (14) is equipped with gas ammonia flow control valve and flowmeter.
The Ammonia recovery of the synthesis ammonia refrigerating process utilizes system, includes two storage of described liquefied ammonia (1) in the system, the
It is connected respectively with the liquid outlet of two storage of described liquefied ammonia on one conveyance conduit (5) by tee pipe coupling；Include in the system
Four ammonia compressors (3), four ammonia compressors (3) gas feed pass through tee pipe coupling and the second conveyance conduit respectively
(6) it is connected, the compressed gas outlet of four ammonia compressors (3) passes through the tee pipe coupling on third conveyance conduit (7) respectively
It is connected with third conveyance conduit；The system includes three water coolers (4), the inlet for pressurised gas difference of three water coolers (4)
It is connected by the tee pipe coupling on third conveyance conduit (7) with third conveyance conduit (7), the liquid of three water coolers (4)
Outlet is connected by conveyance conduit with storage of described liquefied ammonia (1) respectively.
The Ammonia recovery of the synthesis ammonia refrigerating process utilizes system, which further includes at least one waste ammonia liquor storage tank
(15) and waste ammonia liquor delivery pump (16), the water cooler (4) are connected by conveyance conduit with waste ammonia liquor storage tank (15)；The liquid
Ammonia storage tank (1) is connected by conveyance conduit with waste ammonia liquor storage tank (15).
The Ammonia recovery of the synthesis ammonia refrigerating process utilizes system, and there are two the waste ammonia liquor storage tanks (15).
The Ammonia recovery of the synthesis ammonia refrigerating process utilizes system, and the water pump (12) is variable frequency pump.
The Ammonia recovery of the synthesis ammonia refrigerating process utilizes system, and the ammonium hydroxide synthesis system further includes the first ammonium hydroxide
Pump (17) and ammonium hydroxide surge tank (10)；The feed inlet and ammonium hydroxide finished pot (9) and ammonium hydroxide surge tank of first aqua ammonia pump (17)
(10) discharge port is connected；The discharge port of first aqua ammonia pump (17) sends ammonium hydroxide outside, aqua ammonia pump also by another discharge port,
It is connected by conveyance conduit with the feed inlet of ammonium hydroxide finished pot (9).
The Ammonia recovery of the synthesis ammonia refrigerating process utilizes system, and the ammonium hydroxide synthesis system further includes the second ammonium hydroxide
It pumps (1701), the second aqua ammonia pump (1701) is connected in parallel with the first aqua ammonia pump (17) by conveyance conduit；It can either be with the first ammonia
Water pump uses simultaneously can also use when the first aqua ammonia pump breaks down；
Preferably, the ammonium hydroxide finished pot (9) is connected with ammonium hydroxide surge tank (10).
The Ammonia recovery of the synthesis ammonia refrigerating process utilizes system, and the ammonium hydroxide finished pot (9) is additionally provided with evaporation
Ammonia outlet, the evaporation ammonia outlet are connected by gas transmission pipeline with tail gas absorption tank (11)；The ammonium hydroxide
Surge tank (10) is additionally provided with evaporation ammonia outlet, and the evaporation ammonia outlet passes through gas transmission pipeline and tail gas absorption tank
(11) it is connected.
The Ammonia recovery of the synthesis ammonia refrigerating process utilizes system, is equipped with valve on the conveyance conduit；
Preferably, the valve of the synthetic ammonia freezing system is manual modulation valve, and the valve of ammonium hydroxide synthesis system is self-regulated
Regulating valve.
The utility model has following positive beneficial effect
The utility model combines utilization by synthetic ammonia freezing system and ammonium hydroxide synthesis system, solves ammonia compressor system
System pressure is higher, system is easy to appear fluctuation, there are problems that operation troubles, security risk, hence it is evident that reduces ammonia compressor
Gas ammonia inlet and outlet pressure, the acting for reducing ammonia compressor have saved consumption of the system for electric power etc.；
This system has prevented the emptying reduced pressure operation carried out because ammonia compressor outlet pressure is high, is avoided to be depressured and arrange
Put the wasting of resources and pollution on the environment caused by ammonia；The increase of the individually equipment such as additional water cooler is avoided, and
Drain on manpower and material resources caused by for decompression reduces the production cost of system；
The utility model significantly reduces the load of ammonia compressor under conditions of easy to operate easily controllable, reduces
The pressure of system, while the recycling of ammonia is realized, the economic benefit of entire production system is further increased, is also avoided
The wasting of resources and environmental pollution bring good economic results in society while solving the problems, such as.
Detailed description of the invention
Fig. 1 is that Ammonia recovery utilizes one of system schematic in synthesis ammonia refrigerating process；
Fig. 2 is to synthesize Ammonia recovery in ammonia refrigerating process to utilize the two of system schematic；
Fig. 3 is to synthesize Ammonia recovery in ammonia refrigerating process to utilize the three of system schematic；
Fig. 4 is to synthesize Ammonia recovery in ammonia refrigerating process to utilize the four of system schematic；
The meaning that symbol indicates in figure are as follows: 1 indicates storage of described liquefied ammonia, and 2 indicate ammonia evaporator, and 3 indicate ammonia compressor, and 4 indicate
Water cooler, 5 indicate the first conveyance conduit, and 501 indicate the first tee pipe coupling, and 6 indicate the second conveyance conduit, and 601 indicate second
Tee pipe coupling, 7 indicate third conveyance conduit, and 8 indicate ammonium hydroxide preparation facilities, and 9 indicate ammonium hydroxide finished pot, and 10 indicate ammonium hydroxide buffering
Tank, 11 indicate tail gas absorption tank, and 12 indicate water pump, and 13 indicate the 4th conveyance conduit, and 14 indicate the 5th conveyance conduit, and 15 indicate useless
Ammonia vessel, 16 indicate waste ammonia liquor delivery pump, and 17 be the first aqua ammonia pump, and 1701 be the second aqua ammonia pump.
Specific embodiment
The utility model is described in more details below by specific embodiment, but is not limited to this
The protection scope of utility model.
Embodiment 1
It is a kind of synthesize ammonia refrigerating process Ammonia recovery utilize system, as shown in Figure 1 and Figure 2, the system include synthesis ammonia it is cold
Jelly system and ammonium hydroxide synthesis system；The synthetic ammonia freezing system includes storage of described liquefied ammonia 1, ammonia evaporator 2,3 and of ammonia compressor
Water cooler 4；The storage of described liquefied ammonia 1 is connected by the first conveyance conduit 5 with ammonia evaporator 2, and ammonia evaporator 2 is defeated by second
Pipeline 6 is sent to be connected with ammonia compressor 3, ammonia compressor 3 is connected by third conveyance conduit 7 with water cooler 4, the water cooling
Device 4 is connected by conveyance conduit with storage of described liquefied ammonia 1；
Include two storage of described liquefied ammonia 1 in the system, by multiple tee pipe couplings and respectively corresponds on the first conveyance conduit 5
Branch pipe be connected respectively with the liquid outlet of two storage of described liquefied ammonia, then enter ammonia evaporator 2 by the first conveyance conduit
In；It include four ammonia compressors 3 in the system, four ammonia compressors, 3 gas feed passes through tee pipe coupling and right respectively
The branch pipe answered is connected with the second conveyance conduit 6, and the gas in ammonia evaporator 2 has respectively entered four by the second conveyance conduit
In ammonia compressor, the compressed gas outlet of four ammonia compressors 3 is respectively by tee pipe coupling on third conveyance conduit 7 and right
The branch pipe answered is connected with third conveyance conduit 7, is then entered in water cooler 4 by third conveyance conduit；The system includes three
Platform water cooler 4, the inlet for pressurised gas of three water coolers 4 pass through tee pipe coupling and correspondence on third conveyance conduit 7 respectively
Branch pipe be connected with third conveyance conduit 7, then have respectively entered in three water coolers 4 by third conveyance conduit 7, three
The liquid outlet of water cooler 4 passes through conveyance conduit respectively and is connected with two storage of described liquefied ammonia 1, forms circulation.
The ammonium hydroxide synthesis system includes ammonium hydroxide preparation facilities 8, ammonium hydroxide finished pot 9, ammonium hydroxide surge tank 10, tail gas absorption
Tank 11 and water pump 12；8 top of ammonium hydroxide preparation facilities is equipped with technique water inlet, lower part is exported equipped with ammonium hydroxide；The work
Skill water inlet is connected by conveyance conduit with water pump 12, and water pump 12 is connected by conveyance conduit with tail gas absorption tank 11；Institute
It states ammonium hydroxide outlet to be connected by conveyance conduit with ammonium hydroxide finished pot 9, ammonium hydroxide finished pot 9 passes through conveyance conduit and ammonium hydroxide surge tank
10 are connected；
The ammonium hydroxide preparation facilities 8 be additionally provided with liquefied ammonia import and gas ammonia import (gas ammonia of the ammonium hydroxide preparation facilities (8) into
Upper edge of the mouth setting in ammonium hydroxide preparation facilities (8), lower edge of the liquefied ammonia import setting in ammonium hydroxide preparation facilities (8)
Place.)；First conveyance conduit is equipped with the first tee pipe coupling 501, and the first tee pipe coupling 501 passes through the 4th delivery pipe
Road 13 is connected with the liquefied ammonia import of ammonium hydroxide preparation facilities 8；Second conveyance conduit 6 is equipped with the second tee pipe coupling 601,
Second tee pipe coupling 601 is connected by the 5th conveyance conduit 14 with the gas ammonia import of ammonium hydroxide preparation facilities 8；Wherein, described
The gas ammonia import of ammonium hydroxide preparation facilities 8 is above liquefied ammonia import.During being somebody's turn to do, the bore of ammonia gas pipeline (the 5th conveyance conduit)
Greater than the internal diameter of the pipeline of liquefied ammonia pipeline (the 4th conveyance conduit), generallys use ammonia gas pipeline and gas ammonia is passed through in ammonium hydroxide preparation facilities
The preparation of ammonium hydroxide is carried out, to reduce compressor inlet pressure, reduce compressor work.Under the conditions of temperature is higher, using liquid
Ammonia pipeline and ammonia gas pipeline are passed through the preparation that ammonium hydroxide is carried out in ammonium hydroxide preparation facilities simultaneously；
The ammonium hydroxide finished pot 9 and ammonium hydroxide surge tank 10 are equipped with evaporation ammonia outlet, and evaporation ammonia outlet passes through gas
Body conveyance conduit is connected with tail gas absorption tank 11.In the ammonium hydroxide storing process of preparation, ammonium hydroxide finished pot and ammonium hydroxide are buffered
The ammonia evaporated in tank is passed through in tail gas absorption tank, and absorbing by water in tail gas absorption tank becomes ammonium hydroxide, in tail gas absorption tank
Ammonium hydroxide enters in ammonium hydroxide preparation facilities the preparation for being used for ammonium hydroxide together with water.
Each device is interconnected i.e. in the system, recycling and reusing of the realization to various gases, the not waste of raw material,
The maximization of raw material availability is realized, and easy to operate, it is easily controllable, hence it is evident that improve the economic effect of entire process system
Benefit.
Further, the 4th conveyance conduit 13 is equipped with liquefied ammonia flow control valve and flowmeter；5th conveying
Pipeline 14 is equipped with gas ammonia flow control valve and flowmeter, for controlling the amount of the liquefied ammonia and gas ammonia that enter ammonium hydroxide preparation facilities 8.
Further, the water pump 12 is variable frequency pump；Enter the water of ammonium hydroxide preparation facilities 8 by variable frequency regulating speed control
Amount；It in ammonium hydroxide preparation process, is controlled by PLC, the inlet of process water, preparation is adjusted according to ammonia pressures and variable frequency pump
Qualified ammonium hydroxide is obtained, the reasonable optimal recycling of ammonium hydroxide is realized.
Further, which further includes the first aqua ammonia pump 17, the ammonium hydroxide discharge port and the first aqua ammonia pump of ammonium hydroxide finished pot 9
17 feed inlet is connected, and the ammonium hydroxide discharge port of ammonium hydroxide surge tank 10 is also connected with the feed inlet of the first aqua ammonia pump 17, by ammonia
Water pump discharge port sends ammonium hydroxide outside；Aqua ammonia pump also by another discharge port, pass through the charging of conveyance conduit and ammonium hydroxide finished pot (9)
Mouth is connected.Ammonium hydroxide is delivered by aqua ammonia pump when the ammonium hydroxide of the output of ammonium hydroxide finished pot 9 and ammonium hydroxide surge tank 10 is unqualified
Secondary Control is carried out in finished pot, to obtain qualified ammonium hydroxide.
Further, the ammonium hydroxide synthesis system further includes the second aqua ammonia pump (1701), the second aqua ammonia pump (1701) and the
One aqua ammonia pump (17) is connected in parallel by conveyance conduit；
Ammonium hydroxide finished pot 9 and ammonium hydroxide surge tank 10 are interconnected also by pipeline simultaneously, carry out the storage of finished product ammonium hydroxide.
Further, valve is equipped on the conveyance conduit；The valve of the synthetic ammonia freezing system is to manually adjust
Valve, the valve of ammonium hydroxide synthesis system are self-regulated regulating valve.
Embodiment 2
It no longer repeats embodiment part same as Example 1.
As shown in Figure 3, Figure 4, which further includes two waste ammonia liquor storage tanks 15 and waste ammonia liquor delivery pump 16, the water cooler
4 are connected by conveyance conduit with waste ammonia liquor storage tank 15；The storage of described liquefied ammonia 1 is connected by conveyance conduit with waste ammonia liquor storage tank 15
Logical, the waste ammonia liquor in two waste ammonia liquor storage tanks carries out circulation and stress, is then discharged by waste ammonia liquor delivery pump 16 for recycling, real
The maximization of raw material availability is showed.
Claims (11)
1. a kind of Ammonia recovery for synthesizing ammonia refrigerating process utilizes system, which is characterized in that the system includes synthesis ammonia freezing system
System and ammonium hydroxide synthesis system；The synthetic ammonia freezing system includes storage of described liquefied ammonia (1), ammonia evaporator (2), ammonia compressor (3)
With water cooler (4)；The storage of described liquefied ammonia (1) is connected by the first conveyance conduit (5) with ammonia evaporator (2), ammonia evaporator
(2) it is connected by the second conveyance conduit (6) with ammonia compressor (3), ammonia compressor (3) passes through third conveyance conduit (7) and water
Cooler (4) is connected, and the water cooler (4) is connected by conveyance conduit with storage of described liquefied ammonia (1)；
The ammonium hydroxide synthesis system includes ammonium hydroxide preparation facilities (8), ammonium hydroxide finished pot (9), ammonium hydroxide surge tank (10), tail gas suction
Closed cans (11) and water pump (12)；Ammonium hydroxide preparation facilities (8) top is equipped with technique water inlet, and lower part goes out equipped with ammonium hydroxide
Mouthful；The technique water inlet is connected by conveyance conduit with water pump (12), and water pump (12) passes through conveyance conduit and tail gas absorption
Tank (11) is connected；The ammonium hydroxide outlet is connected by conveyance conduit with ammonium hydroxide finished pot (9)；
The ammonium hydroxide preparation facilities (8) is additionally provided with liquefied ammonia import and gas ammonia import；First conveyance conduit is equipped with the one or three
Connection for bbreather pipe (501), the first tee pipe coupling (501) pass through the liquefied ammonia of the 4th conveyance conduit (13) and ammonium hydroxide preparation facilities (8)
Import is connected；Second conveyance conduit (6) is equipped with the second tee pipe coupling (601), and the second tee pipe coupling (601) is logical
The 5th conveyance conduit (14) is crossed to be connected with the gas ammonia import of ammonium hydroxide preparation facilities (8).
2. the Ammonia recovery of synthesis ammonia refrigerating process according to claim 1 utilizes system, which is characterized in that the described 4th
Conveyance conduit (13) is equipped with liquefied ammonia flow control valve and flowmeter；5th conveyance conduit (14) is equipped with gas ammonia flow tune
Save valve and flowmeter.
3. the Ammonia recovery of synthesis ammonia refrigerating process according to claim 1 utilizes system, which is characterized in that in the system
Including two storage of described liquefied ammonia (1), pass through the tee pipe coupling liquid discharge with two storage of described liquefied ammonia respectively on the first conveyance conduit (5)
Mouth is connected；It include four ammonia compressors (3) in the system, four ammonia compressors (3) gas feed passes through threeway respectively
Pipe fitting is connected with the second conveyance conduit (6), and the compressed gas outlet of four ammonia compressors (3) passes through third delivery pipe respectively
Tee pipe coupling on road (7) is connected with third conveyance conduit；The system includes three water coolers (4), three water coolers (4)
Inlet for pressurised gas pass through the tee pipe coupling on third conveyance conduit (7) respectively and be connected with third conveyance conduit (7), three
The liquid outlet of platform water cooler (4) passes through conveyance conduit respectively and is connected with storage of described liquefied ammonia (1).
4. the Ammonia recovery of described in any item synthesis ammonia refrigerating process utilizes system according to claim 1 ~ 3, which is characterized in that
The system further includes at least one waste ammonia liquor storage tank (15) and waste ammonia liquor delivery pump (16), and the water cooler (4) passes through delivery pipe
Road is connected with waste ammonia liquor storage tank (15)；The storage of described liquefied ammonia (1) is connected by conveyance conduit with waste ammonia liquor storage tank (15).
5. the Ammonia recovery of synthesis ammonia refrigerating process according to claim 4 utilizes system, which is characterized in that described is useless
There are two Ammonia vessels (15).
6. the Ammonia recovery of described in any item synthesis ammonia refrigerating process utilizes system according to claim 1 ~ 3, which is characterized in that
The water pump (12) is variable frequency pump.
7. the Ammonia recovery of described in any item synthesis ammonia refrigerating process utilizes system according to claim 1 ~ 3, which is characterized in that
The ammonium hydroxide synthesis system further includes the first aqua ammonia pump (17) and ammonium hydroxide surge tank (10)；The charging of first aqua ammonia pump (17)
Mouth is connected with the discharge port of ammonium hydroxide finished pot (9) and ammonium hydroxide surge tank (10)；The discharge port of first aqua ammonia pump (17) is by ammonium hydroxide
It sends outside, aqua ammonia pump is also connected by another discharge port, by conveyance conduit with the feed inlet of ammonium hydroxide finished pot (9).
8. the Ammonia recovery of synthesis ammonia refrigerating process according to claim 7 utilizes system, which is characterized in that the ammonium hydroxide
Synthesis system further includes the second aqua ammonia pump (1701), and the second aqua ammonia pump (1701) and the first aqua ammonia pump (17) pass through conveyance conduit simultaneously
Connection connection.
9. the Ammonia recovery of described in any item synthesis ammonia refrigerating process utilizes system according to claim 1 ~ 3, which is characterized in that
The ammonium hydroxide finished pot (9) is additionally provided with evaporation ammonia outlet, and the evaporation ammonia outlet passes through gas transmission pipeline and tail
Aspiration closed cans (11) is connected；The ammonium hydroxide surge tank (10) is additionally provided with evaporation ammonia outlet, the evaporation ammonia outlet
It is connected by gas transmission pipeline with tail gas absorption tank (11).
10. the Ammonia recovery of synthesis ammonia refrigerating process according to claim 9 utilizes system, which is characterized in that described defeated
It send and is equipped with valve on pipeline.
11. the Ammonia recovery of synthesis ammonia refrigerating process according to claim 10 utilizes system, which is characterized in that the conjunction
The valve of ammonification refrigeration system is manual modulation valve, and the valve of ammonium hydroxide synthesis system is self-regulated regulating valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252396.5U CN209668784U (en) | 2018-12-29 | 2018-12-29 | It is a kind of synthesize ammonia refrigerating process Ammonia recovery utilize system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252396.5U CN209668784U (en) | 2018-12-29 | 2018-12-29 | It is a kind of synthesize ammonia refrigerating process Ammonia recovery utilize system |
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| CN209668784U true CN209668784U (en) | 2019-11-22 |
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2018
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