CN209020194U - A kind of CO deoxidizing purification device - Google Patents
A kind of CO deoxidizing purification device Download PDFInfo
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- CN209020194U CN209020194U CN201821577209.4U CN201821577209U CN209020194U CN 209020194 U CN209020194 U CN 209020194U CN 201821577209 U CN201821577209 U CN 201821577209U CN 209020194 U CN209020194 U CN 209020194U
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Abstract
The utility model discloses a kind of CO deoxidizing purification devices, belong to gas technical field of anaerobic fermentation.The CO deoxidizing purification device includes: that surge tank, compressor, desulphurization system, deoxygenation system, water-cooling tower, steam-water separator and filtration system are sequentially communicated;Deoxygenation system includes: preheater, electric heater, deoxidation tower;The cold-side inlet of preheater is connected to desulphurization system, and the cold side outlet of preheater is connected to the entrance of electric heater, and the hot end outlet of preheater is connected to water-cooling tower;The entrance of deoxidation tower and the outlet of electric heater, the outlet of deoxidation tower are connected to the hot-side inlet of preheater;Wherein, transition metal-type catalyst and substrate are provided in deoxidation tower.The utility model CO deoxidizing purification device can realize the removing of trace oxygen in high concentration CO unstripped gas by non-precious metal catalyst, reduce plant construction and operating cost, can effectively reduce energy consumption, improve Business Economic Benefit.
Description
Technical field
The utility model relates to gas technical field of anaerobic fermentation, in particular to a kind of CO deoxidizing purification device.
Background technique
The energy is modern society, the basis that the mankind depend on for existence and development, and petroleum is as fossil energy, also will be with people
Class quickly develops increasingly deficienter.It adjusts the industrial structure, push Development of Green Industrialization, accelerate energy diversified development, reduce
Dependence to fossil energy has been the exclusive requirement of human society fast development.It takes new disclosed in CN102016052A
Type gas anaerobic fermentation technology microbial fermentation processes, the industrial tail gas that will be enriched in CO are converted into clean fuel ethyl alcohol to improvement ring
There is important positive effect in border.
The zymotechnique needs to remove the trace oxygen in tail gas and meets fermentation demand, current deoxidation work to 100ppm
Skill, device are concentrated mainly on the deoxidation for refining synthesis gas in purification and coal chemical industry in petrochemical industry to alkene, it is desirable that oxygen after deoxidation
Content is less than 10ppm or even 1ppm.The core of device for deoxidizing is deoxidier and the unique design according to process gas processed
Degasifier.Also very more about the research of deoxidier both at home and abroad, deoxidier is broadly divided into two kinds: noble metal deoxidier and non-expensive
Metallic deoxidizer.There are mainly two types of deoxidization process: using platinum and palladium noble metal catalyst;Using base metals such as copper, manganese
Deoxidier.
Noble metal deoxidier deoxidation precision can reach 10ppm or even 1ppm, be suitble to very high for deoxidation required precision
Technique, but its preparation cost is very high, and seem for raw material qi exhaustion oxygen in microbiological anaerobic zymotechnique and without
It helps practical.
Utility model content
The utility model provides a kind of CO deoxidizing purification device, solves or part solves in the prior art to unstripped gas
Deoxidation uses the high technical problem of noble metal deoxidier deoxidation preparation cost.
In order to solve the above technical problems, it includes: surge tank, compression that the utility model, which provides a kind of CO deoxidizing purification device,
Machine, desulphurization system, deoxygenation system, water-cooling tower, steam-water separator and filtration system;The surge tank, compressor, desulphurization system,
Deoxygenation system, water-cooling tower, steam-water separator and filtration system are sequentially communicated;The deoxygenation system includes: preheater, electric heating
Device, deoxidation tower;The cold-side inlet of the preheater is connected to the desulphurization system, the cold side outlet of the preheater and the electricity
The entrance of heater is connected to, and the hot end outlet of the preheater is connected to the water-cooling tower;The entrance of the deoxidation tower with it is described
The outlet of the outlet of electric heater, the deoxidation tower is connected to the hot-side inlet of the preheater;Wherein, the deoxidation tower
Inside it is provided with transition metal-type catalyst and substrate.
Further, gas analyzer is provided at the inlet of the surge tank and the steam-water separator;It is described
Liquid level adjusting valve is provided on surge tank and the steam-water separator.
Further, the utility model CO deoxidizing purification device further include: the first reflux line;First reflux line
First end be connected to the inlet of the surge tank, the second end of first reflux line is arranged in the compressor and institute
It states between desulphurization system.
Further, first pressure regulating valve is provided on first reflux line.
Further, the desulphurization system includes: the first desulfurizing tower, the second desulfurizing tower, the first communicating pipe, the second connection
Pipe, third connecting pipe, the 4th communicating pipe, the 5th communicating pipe and the 6th communicating pipe;First desulfurizing tower connects by described first
Siphunculus is connected to the compressor, and the first valve is provided on first communicating pipe, and first desulfurizing tower passes through the third
Communicating pipe is connected to the cold-side inlet of the preheater, is provided with third valve on the third connecting pipe;Second desulfurizing tower
It is connected to by second communicating pipe with the compressor, the second valve, second desulfurization is provided on second communicating pipe
Tower is provided with the 4th valve on the 4th communicating pipe by being connected to the cold-side inlet of the preheater the 4th communicating pipe;
First communicating pipe by being connected to the 4th communicating pipe the 5th communicating pipe, is provided with the on the 5th communicating pipe
Five valves;Second communicating pipe is connected to by the 6th communicating pipe with the third connecting pipe, is set on the 6th communicating pipe
It is equipped with the 6th valve.
Further, hydrogen sulfide detector is provided on the 5th communicating pipe and the 6th communicating pipe.
Further, the deoxygenation system further include: the first bypass pipe;The first end of first bypass pipe is arranged in institute
It states between the cold-side inlet of preheater and desulphurization system, second end is connected to the entrance of the deoxidation tower.
Further, the deoxygenation system further include: the second bypass pipe;The first end of second bypass pipe is arranged in institute
It states preheater hot to bring out between mouth and the water-cooling tower, the hot-side inlet and the deoxidation tower of the preheater is arranged in second end
Outlet between.
Further, the utility model CO deoxidizing purification device further include: the second reflux line;Second reflux line
First end and the steam-water separator outlet, second end is connected to the entrance of the surge tank, and described second flows back
Second pressure regulating valve is provided on pipeline.
Further, the filtration system includes: first filter and the second filter;The first filter with it is described
Second filter is in parallel;The first filter and outlet of second filter with the steam-water separator;Institute
The inlet for stating first filter, second filter and the deoxidation tower is provided with first pressure detector;Described
The exit of one filter, second filter and the deoxidation tower is provided with second pressure detector.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
Since surge tank, compressor, desulphurization system, deoxygenation system, water-cooling tower, steam-water separator and filtration system successively connect
It is logical, so, surge tank buffers high concentration CO unstripped gas and dedusting divides and is delivered to compressor after water and compresses, then, conveying
Desulfurization is carried out to desulphurization system, since the cold-side inlet of preheater is connected to desulphurization system, the cold side outlet and electricity of preheater add
The entrance of hot device is connected to, and the hot end outlet of preheater is connected to water-cooling tower, the entrance of deoxidation tower and the outlet of electric heater,
The outlet of deoxidation tower is connected to the hot-side inlet of preheater, so, preheater conveys after preheating to the unstripped gas after desulfurization
It is heated in electric heater, then, is delivered to deoxidation tower and carries out deoxidation, the unstripped gas remaining oxygen after deoxidation is less than
100ppm, the unstripped gas after deoxidation enter preheater, exchange heat with unstripped gas after desulfurization, energy saving, the raw material after heat exchange
Gas enter water-cooling tower carry out water cooling after enter steam-water separator in separated, then, be delivered in filtration system and be filtered,
CO gas after obtaining deoxidation, due to being provided with transition metal-type catalyst and substrate in deoxidation tower, to the vulcanization in unstripped gas
Hydrogen tolerance degree is 1ppm, and the removing of trace oxygen in high concentration CO unstripped gas can be realized by non-precious metal, reduces work
Factory builds and operating cost, can effectively reduce energy consumption, improves Business Economic Benefit.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of the first bypass pipe of CO deoxidizing purification device provided by the embodiment of the utility model;
Fig. 2 is the connection schematic diagram of the second bypass pipe of CO deoxidizing purification device in Fig. 1;
Fig. 3 is the structural schematic diagram of the desulphurization system of CO deoxidizing purification device in Fig. 1.
Specific embodiment
Referring to Fig. 1, the utility model embodiment provide a kind of CO deoxidizing purification device include: surge tank 1, compressor 2,
Desulphurization system 3, deoxygenation system 4, water-cooling tower 5, steam-water separator 6 and filtration system 7.
Surge tank 1, compressor 2, desulphurization system 3, deoxygenation system 4, water-cooling tower 5, steam-water separator 6 and filtration system 7 according to
Secondary connection.
Deoxygenation system 4 includes: preheater 4-1, electric heater 4-2, deoxidation tower 4-3.
The cold-side inlet of preheater 4-1 is connected to desulphurization system 3, and the cold side outlet of preheater 4-1 is with electric heater 4-2's
The hot end outlet of entrance connection, preheater 4-1 is connected to water-cooling tower 5.
The entrance of deoxidation tower 4-3 and the outlet of electric heater 4-2, the outlet of deoxidation tower 4-3 and the heat of preheater 4-1
End entrance connection.
Wherein, transition metal-type catalyst and substrate are provided in deoxidation tower 4-3.
The application specific embodiment is by surge tank 1, compressor 2, desulphurization system 3, deoxygenation system 4, water-cooling tower 5, carbonated drink
Separator 6 and filtration system 7 are sequentially communicated, so, surge tank 1 by high concentration CO unstripped gas buffer and dedusting divide water after be delivered to
Compressor 2 is compressed, and then, is delivered to desulphurization system 3 and is carried out desulfurization, cold-side inlet and desulfurization system due to preheater 4-1
3 connection of system, the cold side outlet of preheater 4-1 are connected to the entrance of electric heater 4-2, the hot end outlet of preheater 4-1 and water cooling
Tower 5 is connected to, the entrance of deoxidation tower 4-3 and the outlet of electric heater 4-2, the outlet of deoxidation tower 4-3 and the heat of preheater 4-1
End entrance connection, so, preheater 4-1, which is delivered in electric heater 4-2 after preheating to the unstripped gas after desulfurization, to be added
Then heat is delivered to deoxidation tower 4-3 and carries out deoxidation, the unstripped gas remaining oxygen after deoxidation is less than 100ppm, the unstripped gas after deoxidation
Unstripped gas exchanges heat after desulfurization in into preheater 4-1, with preheater 4-1, energy saving, and the unstripped gas after heat exchange enters water
Enter in steam-water separator 6 after the cold progress of tower 5 water cooling and separated, then, is delivered in filtration system 7 and is filtered, obtain
CO gas after deoxidation is provided with transition metal-type catalyst and substrate in deoxidation tower 4-3, is resistant to the hydrogen sulfide in unstripped gas
Degree is 1ppm, and the removing of trace oxygen in high concentration CO unstripped gas can be realized by non-precious metal, reduces plant construction
And operating cost, it can effectively reduce energy consumption, improve Business Economic Benefit.
The structure of surge tank 1 is discussed in detail.
The inlet of surge tank 1 is provided with gas analyzer, for analyzing the ingredient of high concentration CO unstripped gas, convenient for subsequent
Operation.
It is provided with gas analyzer at steam-water separator 6, for analyzing the ingredient of the unstripped gas after water cooling, convenient for obtaining
Deoxidation effect.
It is provided with Liquid level adjusting valve 8 on surge tank 1 and steam-water separator 6, for adjusting surge tank 1 and steam-water separator
6 liquid level.
The utility model CO deoxidizing purification device further include: the first reflux line 9.
The first end of first reflux line 9 is connected to the inlet of surge tank 1, the second end setting of the first reflux line 9
Between compressor 2 and desulphurization system 3.First pressure regulating valve 10 is provided on first reflux line.
Wherein, programmable logic controller (PLC) receives the pressure signal at filtration system 7, according to pressure signal to first pressure
Regulating valve 10 sends opening amount signal, guarantees that pressure is stablized.When pressure at filtration system 7 is excessive, first pressure adjusting is tuned up
The aperture of valve 10 reduces the flow of unstripped gas, and then reduces the pressure at filtration system 7;Pressure at filtration system 7 is too small
When, it turns the aperture of first pressure regulating valve 10 down, increases the flow of unstripped gas, and then increase the pressure at filtration system 7.
The structure of desulphurization system 3 is discussed in detail.
Referring to Fig. 3, desulphurization system 3 includes: the first desulfurizing tower 3-1, the second desulfurizing tower 3-2, the first communicating pipe 3-3, second
Communicating pipe 3-4, third connecting pipe 3-5, the 4th communicating pipe 3-6, the 5th communicating pipe 3-7 and the 6th communicating pipe 3-8.
First desulfurizing tower 3-1 is provided with first on the first communicating pipe 3-3 by being connected to compressor 2 the first communicating pipe 3-3
Valve 3-9, the first desulfurizing tower 3-1 are connected to by third connecting pipe 3-5 with the cold-side inlet of preheater 4-1, on third connecting pipe 3-5
It is provided with third valve 3-10.
Second desulfurizing tower 3-2 is provided with second on the second communicating pipe 3-4 by being connected to compressor 2 the second communicating pipe 3-4
Valve 3-11, the second desulfurizing tower 3-2 with the cold-side inlet of preheater 4-1 by being connected to the 4th communicating pipe 3-6, the 4th communicating pipe 3-6
On be provided with the 4th valve 3-12.
First communicating pipe 3-3 by being connected to the 4th communicating pipe 3-6 the 5th communicating pipe 3-7, was arranged on five communicating pipes 3-7 of institute
There is the 5th valve 3-13.
Second communicating pipe 3-4 by being connected to third connecting pipe 3-5 the 6th communicating pipe 3-8, was arranged on the 6th communicating pipe 3-4
There is the 6th valve 3-14.
Wherein, the first desulfurizing tower 3-1 can connect with the second desulfurizing tower 3-2, can also be in parallel.
When closing third valve 3-10, the 5th valve 3-13 and the second valve 3-11, the first valve 3-9, the 4th valve 3-12 and the are opened
Six valve 3-14 realize that the first desulfurizing tower 3-1 connects with the second desulfurizing tower 3-2, increase desulfurization effect.
After the first desulfurizing tower 3-1 failure when isolation replacement desulfurizing agent, third valve 3-10, the 5th valve 3-13 and second are opened
Valve 3-11 closes the first valve 3-9, the 4th valve 3-12 and the 6th valve 3-14, realizes the first desulfurizing tower 3-1 and the second desulfurizing tower 3-2
Parallel connection allows the second desulfurizing tower 3-2 to work independently and carries out desulfurization, avoids shutdown operation, improves the service efficiency of desulfurizing agent, increases work
Make efficiency.
It is provided with hydrogen sulfide detector on 5th communicating pipe 3-7 and the 6th communicating pipe 3-8, for detecting the vulcanization of unstripped gas
Hydrogen content, so judge the first desulfurizing tower 3-1 and the second desulfurizing tower 3-2 whether normal work.
Referring to Fig. 1, deoxygenation system 4 further include: the first bypass pipe 3-15.
The first end of first bypass pipe 3-15 is arranged between the cold-side inlet and desulphurization system of preheater 4-1, second end
It is connected to the entrance of deoxidation tower 4-3.
A part of unstripped gas after desulfurization can be fed directly to deoxidation tower 4-3 by the first bypass pipe 3-15, avoid oxygen
Too high levels cause heat to gather, and cause the excessively high initiation side reaction of dehydrogenation catalyst temperature, cause dehydrogenation catalyst activated centre
Polymerization becomes larger.
Referring to fig. 2, deoxygenation system 4 further include: the second bypass pipe 3-16.
The first end setting of second bypass pipe 3-16 is between the outlet of the hot end preheater 4-1 and water-cooling tower 5, second end setting
Between the outlet of the hot-side inlet and deoxidation tower 4-3 of preheater 4-1.
A part of unstripped gas after deoxidation can be fed directly to cooling tower 5 by the second bypass pipe 3-15, and oxygen is avoided to contain
Measure it is excessively high cause heat to gather, cause the excessively high initiation side reaction of dehydrogenation catalyst temperature, cause dehydrogenation catalyst activated centre poly-
Conjunction becomes larger.
The utility model CO deoxidizing purification device further include: the second reflux line 11.
The entrance of the first end of second reflux line 11 and the outlet of steam-water separator 7, second end and surge tank 1 connects
It is logical, second pressure regulating valve 12 is provided on the second reflux line 11.
When the flow demand of deoxidation tower 4-3 is greater than the traffic requirement of filtration system 7, second pressure regulating valve 12 is opened,
A part of unstripped gas after steam-water separation is delivered to the inlet of buffer 1, stablizes pressure.
The result of filtration system 7 is discussed in detail.
Filtration system 7 includes: first filter 7-1 and the second filter 7-2.
First filter 7-1 is in parallel with the second filter 7-2.
The outlet of first filter 7-1 and the second filter 7-2 with steam-water separator 6.
The inlet of first filter 7-1, the second filter 7-2 and deoxidation tower 4-3 are provided with first pressure detector.
The exit of first filter 7-1, the second filter 7-2 and deoxidation tower 4-3 are provided with second pressure detector.
First pressure detector and second pressure detector are used to detection deoxidation tower 4-3, first filter 7-1 and second
Pressure signal is sent to programmable logic controller (PLC) by the pressure of filter 7-2, when pressure value does not meet setting value, can be compiled
Journey logic controller adjusts first pressure tune to the aperture regulation signal of first pressure regulating valve 10 and second pressure regulating valve 12
The aperture of valve 10 and second pressure regulating valve 12 is saved, guarantees that pressure is stablized.
And when the differential pressure of some filter in first filter 7-1 and the second filter 7-2 is excessively high, it can be by differential pressure
Excessively high filter is isolated with steam-water separator 6, carries out nitrogen blowback, regeneration, spare.That is first filter 7-1 and the second mistake
When some filter pressure drop in filter 7-2 is unsatisfactory for requiring, nitrogen pulse cleaning can be carried out with isolation of system, make its satisfaction
It is required that.
The utility model embodiment is introduced in order to become apparent from, is given from the application method of the utility model embodiment below
It introduces.
High concentration CO unstripped gas is delivered to compressor 1, high concentration CO unstripped gas ingredient is as follows, with volume fraction: one
Carbonoxide: 40-70%, hydrogen: 1-10%, carbon dioxide: 10-20%, nitrogen: 10-30%, oxygen: 0.1-0.6%.
Surge tank 1 carries out buffering to high concentration unstripped gas and after dedusting divides water, is delivered to compressor 2.It is pressed by compressor 2
The unstripped gas for being reduced to about 600kPa, which enters, removes H in the first desulfurizing tower 3-1 and the second desulfurizing tower 3-22Within S to 1ppm, in order to avoid
Dehydrogenation catalyst poisoning and deactivation.
It is provided with hydrogen sulfide detector on 5th communicating pipe 3-7 and the 6th communicating pipe 3-8, for detecting the vulcanization of unstripped gas
Hydrogen content, so judge the first desulfurizing tower 3-1 and the second desulfurizing tower 3-2 whether normal work.When closing third valve 3-10, the
Five valve 3-13 and the second valve 3-11 open the first valve 3-9, the 4th valve 3-12 and the 6th valve 3-14, realize the first desulfurizing tower 3-1 with
Second desulfurizing tower 3-2 series connection, the first desulfurizing tower 3-1 and the second desulfurizing tower 3-2 are worked normally, and increase desulfurization effect.Work as hydrogen sulfide
When detector detects the first desulfurizing tower 3-1 failure, isolation replacement desulfurizing agent is carried out to the first desulfurizing tower 3-1, opens third valve
3-10, the 5th valve 3-13 and the second valve 3-11 close the first valve 3-9, the 4th valve 3-12 and the 6th valve 3-14, realize the first desulfurization
Tower 3-1 is in parallel with the second desulfurizing tower 3-2, allows the second desulfurizing tower 3-2 to work independently and carries out desulfurization, avoids shutdown operation, improves de-
The service efficiency of sulphur agent increases working efficiency.
First desulfurizing tower 3-1 and the second desulfurizing tower 3-2 are connected to the cold-side inlet of preheater 4-1, the original after desulfurization
Material gas is entered in preheater 4-1 by the cold-side inlet of preheater 4-1, enters electric heating by the cold side outlet of preheater 4-1
It is heated in device 4-2, the unstripped gas after heating enters deoxidation tower 4-3 progress deoxidation and obtains high temperature purification gas, high temperature purification gas
Entered in preheater 4-1 by the hot-side inlet of preheater 4-1, water-cooling tower 5 is then entered by the hot end outlet of preheater 4-1
It is interior.The high temperature purification gas that unstripped gas after desulfurization enters after preheater 4-1 and deoxidation carries out the synthesis that heat is realized in heat exchange
It utilizes, controls 110-140 DEG C of preheating temperature, the unstripped gas after preheating enters electric heater 4-2 and carries out thermal compensation extremely
140-170 DEG C enters deoxidation tower 4-3, and purified gas remaining oxygen after deoxidation is less than 100ppm, and 180-240 DEG C of temperature, into preheating
Device 4-1 exchanges heat with unstripped gas, subsequently enters water cooler 5 and is cooled to 30-40 DEG C, utilizes heat rationally, further
It is energy saving.
The thermal compensation of unstripped gas may be implemented in electric heater 4-2, and it is actually defeated to control electric heater 4-2 by outlet thermal resistance
Power out, electric heater 4-2 be provided with multiple groups can free open and close, every group is provided with thermocouple teletransmission and prevents overtemperature existing
As.
And the dehydrogenation catalyst in deoxidation tower 4-3 is transition metal-type catalyst (i.e. the base metals such as copper, manganese deoxidier),
Using active carbon or aluminium oxide as substrate, a variety of compound transition metal are active component, to the H2S tolerance degree in unstripped gas
For 1ppm, compared with noble metal height, while manufacturing cost is far below precious metal dehydrogenation catalyst, and major catalytic reaction is as follows: 2H2+O2
=2H2O;CO+O2=2CO2;Wherein H2 is reacted prior to the micro O2 in unstripped gas.In the present embodiment, inside deoxidation tower 4-3
It is filled with transition metal deamination catalyst and porcelain ball, is provided with the thermocouple on-line checking bed temperature of upper, middle and lower three, raw material
H in gas2It reacts with micro O2 and generates H2O releases a large amount of heat.
High temperature purification gas enter the purified gas after cooling of water-cooling tower 5 enter steam-water separator 6 separate after, the purification after heat exchange
Gas is further cooled to 30-40 DEG C, meets the needs of fermentation.Then, into first filter 7-1 and the second filter 7-2
Enter fermentation system after dedusting, dedusting progress is less than 10mg/m3, and granularity is less than 1 μm.
Meanwhile first pressure is provided in the inlet of first filter 7-1, the second filter 7-2 and deoxidation tower 4-3
The exit of detector, first filter 7-1, the second filter 7-2 and deoxidation tower 4-3 is provided with second pressure detector,
First pressure detector and second pressure detector are connect with programmable logic controller (PLC), programmable logic controller (PLC) and the first pressure
Force regulating valve 10 and second pressure regulating valve 12.
Programmable logic controller (PLC) receives the pressure signal that first pressure detector and second pressure detector detect, root
Aperture regulation signal is sent to first pressure regulating valve 10 and second pressure regulating valve 12 according to pressure signal.When deoxidation tower 4-3's
When flow demand is greater than the traffic requirement of filtration system 7, second pressure regulating valve 12 is opened, by the second reflux line 11 by vapour
A part of purified gas after water separation is delivered to the inlet of buffer 1, stablizes pressure, meanwhile, purified gas can be attached to one
Partial heat is warming up to required active temperature for circulation before deoxidation tower 4-3 deoxidation and creates conditions.Pressure at filtration system 7
When power is excessive, the aperture of first pressure regulating valve 10 is tuned up, most of unstripped gas is delivered to by buffering by the first reflux line 9
The inlet of device 1 reduces the flow of unstripped gas, and then reduces the pressure at filtration system 7.Pressure mistake at filtration system 7
Hour, it turns the aperture of first pressure regulating valve 10 down, fraction unstripped gas is delivered to by buffer 1 by the first reflux line 9
Inlet, increase the flow of unstripped gas, and then increase the pressure at filtration system 7.
It should be noted last that the above specific embodiment is only to illustrate the technical solution of the utility model rather than limits
System, although the utility model is described in detail referring to example, those skilled in the art should understand that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (10)
1. a kind of CO deoxidizing purification device characterized by comprising surge tank, compressor, desulphurization system, deoxygenation system, water cooling
Tower, steam-water separator and filtration system;
The surge tank, compressor, desulphurization system, deoxygenation system, water-cooling tower, steam-water separator and filtration system are sequentially communicated;
The deoxygenation system includes: preheater, electric heater, deoxidation tower;
The cold-side inlet of the preheater is connected to the desulphurization system, the cold side outlet of the preheater and the electric heater
Entrance connection, the preheater hot end outlet is connected to the water-cooling tower;
The outlet of the entrance of the deoxidation tower and the electric heater, the outlet and the heat of the preheater of the deoxidation tower
End entrance connection;
Wherein, transition metal-type catalyst and substrate are provided in the deoxidation tower.
2. CO deoxidizing purification device according to claim 1, it is characterised in that:
Gas analyzer is provided at the inlet of the surge tank and the steam-water separator;
Liquid level adjusting valve is provided on the surge tank and the steam-water separator.
3. CO deoxidizing purification device according to claim 1, which is characterized in that the CO deoxidizing purification device further include:
First reflux line;
The first end of first reflux line is connected to the inlet of the surge tank, the second end of first reflux line
It is arranged between the compressor and the desulphurization system.
4. CO deoxidizing purification device according to claim 3, it is characterised in that:
First pressure regulating valve is provided on first reflux line.
5. CO deoxidizing purification device according to claim 1, which is characterized in that the desulphurization system includes: the first desulfurization
Tower, the second desulfurizing tower, the first communicating pipe, the second communicating pipe, third connecting pipe, the 4th communicating pipe, the 5th communicating pipe and the 6th connect
Siphunculus;
First desulfurizing tower is provided with the by being connected to the compressor first communicating pipe on first communicating pipe
One valve, first desulfurizing tower are connected to by the third connecting pipe with the cold-side inlet of the preheater, the third connecting
Third valve is provided on pipe;
Second desulfurizing tower is provided with the by being connected to the compressor second communicating pipe on second communicating pipe
Two valves, second desulfurizing tower with the cold-side inlet of the preheater by being connected to the 4th communicating pipe, the 4th connection
The 4th valve is provided on pipe;
First communicating pipe by being connected to the 4th communicating pipe the 5th communicating pipe, is arranged on the 5th communicating pipe
There is the 5th valve;
Second communicating pipe is connected to by the 6th communicating pipe with the third connecting pipe, is arranged on the 6th communicating pipe
There is the 6th valve.
6. CO deoxidizing purification device according to claim 5, it is characterised in that:
Hydrogen sulfide detector is provided on 5th communicating pipe and the 6th communicating pipe.
7. CO deoxidizing purification device according to claim 1, which is characterized in that the deoxygenation system further include: by the of first
Siphunculus;
The first end of first bypass pipe is arranged between the cold-side inlet and desulphurization system of the preheater, second end and institute
State the entrance connection of deoxidation tower.
8. CO deoxidizing purification device according to claim 1, which is characterized in that the deoxygenation system further include: by the of second
Siphunculus;
The first end setting of second bypass pipe is brought out between mouth and the water-cooling tower in the preheater hot, second end setting
Between the outlet of the hot-side inlet and the deoxidation tower of the preheater.
9. CO deoxidizing purification device according to claim 1, which is characterized in that the CO deoxidizing purification device further include:
Second reflux line;
The first end of second reflux line and the outlet of the steam-water separator, second end enter with the surge tank
Mouth is connected to, and is provided with second pressure regulating valve on second reflux line.
10. CO deoxidizing purification device according to claim 1, which is characterized in that the filtration system includes: the first filtering
Device and the second filter;
The first filter is in parallel with second filter;
The first filter and outlet of second filter with the steam-water separator;
The inlet of the first filter, second filter and the deoxidation tower is provided with first pressure detector;
The exit of the first filter, second filter and the deoxidation tower is provided with second pressure detector.
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CN201821577209.4U CN209020194U (en) | 2018-09-27 | 2018-09-27 | A kind of CO deoxidizing purification device |
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