CN107459019A - A kind of purification equipment system and its purification technique for hydrogen production from coke oven gas - Google Patents
A kind of purification equipment system and its purification technique for hydrogen production from coke oven gas Download PDFInfo
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- CN107459019A CN107459019A CN201710802012.XA CN201710802012A CN107459019A CN 107459019 A CN107459019 A CN 107459019A CN 201710802012 A CN201710802012 A CN 201710802012A CN 107459019 A CN107459019 A CN 107459019A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
- C01B3/56—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solids; Regeneration of used solids
- C01B3/58—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solids; Regeneration of used solids including a catalytic reaction
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
- C01B3/508—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by selective and reversible uptake by an appropriate medium, i.e. the uptake being based on physical or chemical sorption phenomena or on reversible chemical reactions
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/042—Purification by adsorption on solids
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/0435—Catalytic purification
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/0465—Composition of the impurity
- C01B2203/0495—Composition of the impurity the impurity being water
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Industrial Gases (AREA)
Abstract
The present invention relates to the technical field of process for making hydrogen, disclose a kind of purification equipment system for hydrogen production from coke oven gas, including deoxidation tower, cooling tower, two regeneration drying towers and rear drying tower, the gas outlet of the deoxidation tower connects with the air inlet of the cooling tower, and the gas outlet of cooling tower is connected with air-flow regulation gas circuit；The air-flow regulation gas circuit includes the first branch pipe and the second branch pipe, and the first branch pipe and the second branch pipe are connected by air inlet of the heater respectively with two regeneration drying towers；The gas outlets of described two regeneration drying towers are respectively connected with cooler, and the gas outlet of cooler is respectively connected with check valve, and the air inlet of the gas outlet of check valve respectively with rear drying tower connects；Purification processing step for hydrogen production from coke oven gas is as follows：Deoxidation tower will be discharged into cooling tower after raw hydrogen deoxidation, and the hydrogen of cooling tower discharge adjusts gas circuit by air-flow and is classified as two-way, and two regenerative dryers can carry out alternateing complementation, reach the purpose of continuous drying hydrogen.
Description
Technical field
The present invention relates to the technical field of process for making hydrogen, in particular it relates to which a kind of purification for hydrogen production from coke oven gas is set
Standby system and its purification technique.
Background technology
Require high because coke-stove gas forms complicated and product hydrogen purity, raw coke oven gas amount is sufficient, thus the present apparatus
Hydrogen psa purification part (PSA) is using rinsing regeneration (antivacuum regeneration), and overall craft flow is by compression section, pre-
Four process compositions such as science and engineering sequence, pressure-variable adsorption process and cleaning procedure.In addition for the condensate liquid of gas compression, using concentration
Absorption removes the harmful substance of condensate liquid after collection, its harmful substance contained is discharged on the spot after reaching discharging standards
The rain rill of device, therefore also sewage disposal process, each operation process description are as follows：
Because the coal gas pretreatment during hydrogen production from coke oven gas, the purification of PSA hydrogen and hydrogen deoxidation drying system are
Two sets identical, and simply gas compression process is that four identical compressors mutually any switching laws can be run, in work below
In the narration of skill process, mainly carried out with single series, to another set of identical, be not introduced individually herein.
Deoxidation and dewater treatment to hydrogen manufacturing in cleaning procedure is particularly important, and the catalyst inside existing deoxidation tower exists
, it is necessary to be changed to it after long-term use, to lift the deoxidation effect of thick hydrogen, but the inside of existing deoxidation tower is for catalyst
Displacement structure design it is unreasonable, cause every time change need to expend substantial amounts of manpower, and the inside pair of existing deoxidation tower
In catalyst typically by the way of individual layer filling, cause deoxidation tower relatively low to the deoxidation effectiveness of thick hydrogen.
During the dry hydrogen of cleaning procedure, because the adsorbent inside drying tower needs regenerative process, regeneration
Process must shut down progress, cause existing device systems to carry out lasting hydrogen desiccation process, the effect of hydrogen desiccation
Rate is low, without efficient output.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of purification equipment system for hydrogen production from coke oven gas and its
Purification technique with reach optimization deoxidation tower internal structure with quick-replaceable catalyst, realize that device systems can be continuously to hydrogen
Withering purpose, solve existing deoxidation tower internal structure design it is unreasonable cause its internal accelerator change
The problem of carry out hydrogen desiccation that labor intensive, device systems can not continue is with output.
In order to realize above-mentioned technique effect, technical scheme provided by the present invention is：It is a kind of for hydrogen production from coke oven gas
Purification equipment system, it is characterised in that including deoxidation tower, cooling tower, two regeneration drying towers and rear drying tower, the deoxidation
The gas outlet of tower connects with the air inlet of the cooling tower, and the gas outlet of cooling tower is connected with air-flow regulation gas circuit；The air-flow
Regulation gas circuit includes the first branch pipe and the second branch pipe, and the first branch pipe and the second branch pipe regenerate dryings with two respectively by heater
The air inlet connection of tower；The gas outlet of described two regeneration drying towers is respectively connected with cooler, and the gas outlet of cooler is all connected with
There is a check valve, the air inlet of the gas outlet of check valve respectively with rear drying tower connects；The deoxidation tower includes tower body, tower lid and dress
Assigned in the interior framework inside tower body, multiple positioning components are placed with the madial wall of the tower body in the axial direction, adjacent two
Circumferential direction of the positioning component along tower body is in 90 ° of arrangements of staggering；Offered on the lateral wall of the interior framework and the positioning group
The chute and the inside of interior framework that part matches are filled with palladium catalyst.
Further, the air-flow regulation gas circuit also includes main tracheae, is located at respectively on the first branch pipe and the second branch pipe
Choke valve, one end of the main tracheae connect with the gas outlet of the cooling tower, the other end and first branch pipe and second
Pipe connects.
Further, the positioning component includes two projections on the madial wall of the tower body, described two projections
It is symmetrical set relative to the axial line of the tower body and projection matches with the chute.
Further, the both ends port of the interior framework is respectively equipped with gas-permeable nets, is filled between the gas-permeable nets at both ends
State palladium catalyst.
Further, concentric mounting disc, the outer wall and inside casing of mounting disc are provided with the middle part of one end of the interior framework
It is fixedly connected between the inwall of part by pole；Square hole is offered in the middle part of the mounting disc.
Further, the bottom of the deoxidation tower, cooling tower, two regeneration drying towers and rear drying tower is equipped with discharge opeing
The mouth of pipe.
The invention also discloses a kind of purification technique for hydrogen production from coke oven gas, it is characterised in that mainly including following
Step：
(1) framework in assembling, interior framework inside are filled with palladium catalyst, tower successively from the bottom to top in the tower body of deoxidation tower
The openend of lid and tower body carries out sealing assembling, and raw hydrogen is discharged into the air inlet of deoxidation tower；
(2) deoxidation tower will be discharged into cooling tower after raw hydrogen deoxidation, and the chilling temperature of cooling tower is 30 DEG C~40 DEG C；
(3) air-flow is adjusted to the choke valve in gas circuit on the first branch pipe and carries out flow control, while opens and is connected with the first branch pipe
Heater and cooler；Wherein, the heating-up temperature of heater is 135 DEG C~145 DEG C, the chilling temperature of cooler for 30 DEG C~
40℃；Meanwhile the choke valve in air-flow regulation gas circuit on the second branch pipe is opened, and close the heater connected with the second branch pipe and
Cooler；
(4) air-flow is adjusted to the choke valve in gas circuit on the first branch pipe to open, and closes the heating connected with the first branch pipe
Device and cooler；The choke valve flow control in gas circuit on the second branch pipe is adjusted to air-flow, while opens adding of being connected with the second branch pipe
Hot device and cooler；Wherein, the heating-up temperature of heater is 135 DEG C~145 DEG C, and the chilling temperature of cooler is 30 DEG C~40
℃；
(5) repetitive cycling step (3) and step (4), what the regenerative dryer that the first branch pipe connects connected with the second branch pipe
Regenerative dryer, which imports hydrogen to the air inlet of rear drier, the purity of the gas outlet output hydrogen of rear drier, to be more than
99.9%th, dew-point temperature is less than -60 DEG C.
Further, the heating-up temperature of heater is set to 140 DEG C in the step (3) and step (4).
Compared to prior art, the beneficial effects of the invention are as follows：
1. being provided with framework in multilayer inside the deoxidation tower of the present invention, interior framework can carry out week by the tower body of relative deoxidation tower
Quick assembling is carried out to rotation, because interior framework is arranged along the axis direction of deoxidation tower, is filled in inside interior framework
Palladium catalyst can fully contact raw hydrogen, and with hydrogen catalytic reaction occurs for the trace oxygen being catalyzed in raw hydrogen, relative to existing
Some deoxidation towers, after the catalyst long-term use inside deoxidation tower, quick-replaceable can be carried out；
2. the hydrogen of the cooling tower discharge of the application adjusts gas circuit by air-flow and is classified as two-way, it is disposed with per road air flue
Identical regenerative dryer, the regenerative process of regenerative dryer includes thermal regeneration and blows cold but two steps, due to using
Two-way air-flow, when the regenerative dryer of one of them is in thermal regeneration desorption moisture content, another regenerative dryer is then in
The process of cooling and drying hydrogen, two regenerative dryers of this process can carry out alternateing complementation, reach continuous drying hydrogen
Purpose；
3. the purification technique of the present invention can realize that output purity is more than the hydrogen that 99.9%, dew-point temperature is less than -60 DEG C, and
Higher hydrogen desiccation efficiency can be ensured simultaneously.
Brief description of the drawings
Fig. 1 is the overall structure diagram provided by the present invention for the purification equipment system of hydrogen production from coke oven gas；
Fig. 2 is the internal sectional diagram of deoxidation tower in the purification equipment system provided by the present invention for hydrogen production from coke oven gas
It is intended to；
Fig. 3 is the structural representation of interior framework in the purification equipment system provided by the present invention for hydrogen production from coke oven gas.
Embodiment
The present invention is further described in detail with reference to specific embodiment, following word is intended to indicate that this hair
Protection domain that is bright, being not intended to limit the present invention.
As shown in Figure 1, Figure 2 and Figure 3, the present invention can be implemented as follows, a kind of for the net of hydrogen production from coke oven gas
Change device systems, including deoxidation tower 1,2, two regeneration drying towers of cooling tower and rear drying tower 4, the outlet of the deoxidation tower 1
Air-flow regulation gas circuit, gas are connected with by pipeline communication, the gas outlet of cooling tower 2 between mouth and the air inlet of the cooling tower 2
Stream regulation gas circuit is realized, and the air-flow size in the first branch pipe and the second branch pipe is adjusted；Air-flow regulation gas circuit includes the
One branch pipe and the second branch pipe, the first branch pipe and the second branch pipe are connected to primary heater 5 and secondary heater 6, and first adds
Air inlet of the gas outlet of hot device 5 and secondary heater 6 respectively with two regeneration drying towers passes through pipeline communication；It is described two again
The gas outlet of raw drying tower is connected to the first cooler 7 and the second cooler 8, the first cooler 7 and the second cooler 8
Gas outlet is respectively connected with check valve 12, and check valve 12 prevents the gas inside the first regenerative dryer 3 and the second regenerative dryer 9
Mutual crossfire, the gas outlet of check valve 12 is converged with the air inlet of rear drying tower 4 by pipeline respectively to be connected；The deoxidation tower 1
Including tower body, tower lid and the interior framework 13 being assemblied in inside tower body, the air inlet of deoxidation tower 1 is provided with below the side wall of the tower body
Mouthful, raw hydrogen has been discharged into air inlet, has been bolted to connection between the open end of tower body and the end of tower lid, tower lid
Sealing ring is provided between end and the open end of tower body and tower covers the gas outlet provided with deoxidation tower 1；The inner side of the tower body
It is placed with multiple positioning components on wall in the axial direction, the axial spacing between two neighboring positioning component is equal, and adjacent two
Circumferential direction of the positioning component along tower body is in 90 ° of arrangements of staggering；Offered on the lateral wall of the interior framework 13 and the positioning
The chute 14 and the inside of interior framework 13 that component matches are filled with palladium catalyst, and palladium catalyst can be catalyzed micro in raw hydrogen
With hydrogen catalytic reaction occurs for oxygen.When needing interior framework 13 being assemblied in the bottom of deoxidation tower 1, first interior framework 13 is inserted in
To the tower body of deoxidation tower 1, circumferentially direction rotates interior framework 13, makes the chute 14 in its side wall with determining on tower body madial wall
Hyte part is corresponding, and interior framework 13 then can slide past corresponding positioning component until dropping on the positioning component of bottommost successively
Side, realizes the assembling of internal framework 13.Wherein, on the one hand the support of internal framework 13 can be achieved in positioning component, on the other hand, fixed
Hyte part can be by the chute 14 of the interior side wall of framework 13, the position adjustments for interior framework 13.
The air-flow regulation gas circuit also includes main tracheae, the respectively choke valve on the first branch pipe and the second branch pipe, institute
The one end for stating main tracheae connects with the gas outlet of the cooling tower 2, and the other end connects with first branch pipe and the second branch pipe.Institute
State main tracheae, the first branch pipe and the second branch pipe three and be similar to three-way pipe structure by converging connection formation；First branch pipe
With on the second branch pipe be respectively first throttle valve 10 and second throttle 11.
The positioning component include positioned at the tower body madial wall on two projections 15, described two projections 15 relative to
The axial line of the tower body is symmetrical set and projection 15 matches with the chute 14；It is pre- when needing interior framework 13 being assembled to
During fixed position, chute 14 on the interior outer wall of framework 13 can be made by corresponding projection 15 by framework in rotation 13, in realization
Position of the framework 13 inside deoxidation tower 1 carries out flexible modulation.
The both ends port of the interior framework 13 is respectively equipped with gas-permeable nets 16, and the palladium is filled between the gas-permeable nets 16 at both ends
Catalyst, the grid gap of gas-permeable nets 16 are less than the granular size of the palladium catalyst, realize the carrying to the palladium catalyst
And fully contacted with raw hydrogen, so that catalytic reaction occurs.
Concentric mounting disc 17, the outer wall of mounting disc 17 and interior framework 13 are provided with the middle part of one end of the interior framework 13
Inwall between be fixedly connected by pole；The middle part of the mounting disc 17 offers square hole.Operator can be by square hole
Bar is controlled in insertion, interior framework 13 is rotated relative to deoxidation tower 1 by controlling bar；Meanwhile operator can be incited somebody to action by pole
Interior framework 13 is sling or hung in the tower body of deoxidation tower 1.
The bottom of the deoxidation tower 1,2, two regeneration drying towers of cooling tower and rear drying tower 4 is equipped with the discharge opeing mouth of pipe,
The discharge opeing mouth of pipe is communicated with pipeline, and pipeline flows into the waste liquid of discharge in the sewage disposal device of postorder.
The invention also discloses a kind of purification technique for hydrogen production from coke oven gas, is used for coke-stove gas system using above-mentioned
The purification equipment system of hydrogen, is mainly included the following steps that：
(1) framework 13 in assembling, the interior inside of framework 13 are filled with palladium chtalyst successively from the bottom to top in the tower body of deoxidation tower 1
The openend of agent, tower lid and tower body carries out sealing assembling, and raw hydrogen is discharged into inside it by the air inlet of deoxidation tower 1；
(2) deoxidation tower 1 will be discharged into cooling tower 2 after raw hydrogen deoxidation, and the chilling temperature of cooling tower 2 is 30 DEG C~40
℃；As preferable, the chilling temperature of cooling tower 2 is arranged to 35 DEG C, its micro amount of oxygen exists with minor amount of water caused by hydrogen reaction
Do not reach the saturation of moisture under normal temperature also and condense out aqueous water；
(3) first throttle valve 10 that air-flow is adjusted in gas circuit on the first branch pipe is subjected to flow control, while opened and first
The cooler 7 of primary heater 5 and first of pipe connection, now the first regenerative dryer 3 on the first branch pipe is in internally dry
The reproduced state of agent；Wherein, the heating-up temperature of primary heater 5 is 135 DEG C~145 DEG C, and the chilling temperature of the first cooler 7 is
30 DEG C~40 DEG C；Meanwhile the second throttle 11 in air-flow regulation gas circuit on the second branch pipe is opened, and close and connect with the second branch pipe
The logical cooler 8 of secondary heater 6 and second, the second regenerative dryer 9 on the second branch pipe is controlled to carry out being cooled to normal temperature shape
State, now the second regenerative dryer 9 be in drying regime, can directly to hydrogen carry out dewater treatment；As preferable, first plus
The heating-up temperature of hot device 5 is 140 DEG C, and the chilling temperature of the first cooler 7 is 35 DEG C, and primary heater 5 is by inside the first branch pipe
Hydrogen be heated to entering to after 140 DEG C in the regeneration drying tower for needing thermal regeneration, the hydrogen of high temperature makes the first regeneration drying
Drier heating inside device 3, to have the function that moisture therein is parsed, the hydrogen after heating is cold by first
But after device 7 carries out cooling and liquid separation, converged with the hydrogen in the second branch pipe, the hydrogen after converging is directly entered to rear drying
In the air inlet of tower 4.
(4) first throttle valve 10 that air-flow is adjusted in gas circuit on the first branch pipe is opened, controls first on the first branch pipe
Regenerative dryer 3 carries out being cooled to normal temperature state, and now the first regenerative dryer 3 is in drying regime, and directly hydrogen can be entered
Row dewater treatment, and close the cooler 7 of primary heater 5 and first connected with the first branch pipe；Air-flow is adjusted the in gas circuit
The flow control of second throttle 11 on two branch pipes, while the cooler 8 of secondary heater 6 and second connected with the second branch pipe is opened,
Now the second regenerative dryer 9 is in internal adsorbent drying regime, and its drying process such as step (3) is described；Wherein, second adds
The heating-up temperature of hot device 6 is 135 DEG C~145 DEG C, and the chilling temperature of the second cooler 8 is 30 DEG C~40 DEG C；As preferable,
The heating-up temperature of two heaters 6 is 140 DEG C, and the chilling temperature of the second cooler 8 is 35 DEG C.
(5) repetitive cycling alternate steps (3) and step (4), the regenerative dryer of the first branch pipe connection and the second branch pipe connect
Logical regenerative dryer, which imports hydrogen to the air inlet of rear drier, the purity of the gas outlet output hydrogen of rear drier, to be more than
99.9%th, dew-point temperature is less than -60 DEG C.
The purification technique of above-described hydrogen production from coke oven gas, is shunted as a result of tow channel gas stream, when wherein it
When one regenerative dryer is in thermal regeneration desorption moisture content, another regenerative dryer is then in the process of cooling and drying hydrogen,
Two regenerative dryers of this process can carry out alternateing complementation, reach the purpose of continuous drying hydrogen.
Any one skilled in the art the invention discloses technical scope in, can readily occur in change or
Replace, should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the guarantor described in claim
Shield scope is defined.
Claims (8)
- A kind of 1. purification equipment system for hydrogen production from coke oven gas, it is characterised in that including deoxidation tower, cooling tower, two again Raw drying tower and rear drying tower, the gas outlet of the deoxidation tower connect with the air inlet of the cooling tower, the outlet of cooling tower Mouth is connected with air-flow regulation gas circuit；Air-flow regulation gas circuit includes the first branch pipe and the second branch pipe, the first branch pipe and second Pipe is connected by air inlet of the heater respectively with two regeneration drying towers；The gas outlet of described two regeneration drying towers is all connected with There is a cooler, the gas outlet of cooler is respectively connected with check valve, and the air inlet of the gas outlet of check valve respectively with rear drying tower connects It is logical；The deoxidation tower includes tower body, tower lid and the interior framework being assemblied in inside tower body, along axis side on the madial wall of the tower body To multiple positioning components are placed with, circumferential direction of the two adjacent positioning components along tower body is in 90 ° of arrangements of staggering；The interior framework Lateral wall on offer the chute to match with the positioning component and the inside of interior framework is filled with palladium catalyst.
- 2. the purification equipment system according to claim 1 for hydrogen production from coke oven gas, it is characterised in that the air-flow is adjusted Solar term road also includes main tracheae, the respectively choke valve on the first branch pipe and the second branch pipe, one end of the main tracheae and institute The gas outlet connection of cooling tower is stated, the other end connects with first branch pipe and the second branch pipe.
- 3. the purification equipment system according to claim 1 for hydrogen production from coke oven gas, it is characterised in that the positioning group Part includes two projections on the madial wall of the tower body, and described two projections are relative to the axial line of the tower body in symmetrical Set and projection matches with the chute.
- 4. the purification equipment system according to claim 1 for hydrogen production from coke oven gas, it is characterised in that the interior framework Both ends port be respectively equipped with gas-permeable nets, be filled with the palladium catalyst between the gas-permeable nets at both ends.
- 5. the purification equipment system according to claim 1 for hydrogen production from coke oven gas, it is characterised in that the interior framework One end in the middle part of be provided with concentric mounting disc, between the outer wall of mounting disc and the inwall of interior framework pass through pole fix company Connect；Square hole is offered in the middle part of the mounting disc.
- 6. the purification equipment system according to claim 1 for hydrogen production from coke oven gas, it is characterised in that the deoxidation Tower, cooling tower, the bottom of two regeneration drying towers and rear drying tower are equipped with the discharge opeing mouth of pipe.
- 7. a kind of purification technique for hydrogen production from coke oven gas, it is characterised in that using described in claim 1~6 any one The purification equipment system for hydrogen production from coke oven gas purified, mainly include the following steps that：(1) framework in assembling successively from the bottom to top in the tower body of deoxidation tower, be filled with palladium catalyst inside interior framework, tower lid and The openend of tower body carries out sealing assembling, and raw hydrogen is discharged into the air inlet of deoxidation tower；(2) deoxidation tower will be discharged into cooling tower after raw hydrogen deoxidation, and the chilling temperature of cooling tower is 30 DEG C~40 DEG C；(3) air-flow is adjusted to the choke valve in gas circuit on the first branch pipe and carries out flow control, while opens adding of being connected with the first branch pipe Hot device and cooler；Wherein, the heating-up temperature of heater is 135 DEG C~145 DEG C, and the chilling temperature of cooler is 30 DEG C~40 ℃；Meanwhile the choke valve in air-flow regulation gas circuit on the second branch pipe is opened, and close the heater connected with the second branch pipe and cold But device；(4) air-flow is adjusted to the choke valve in gas circuit on the first branch pipe to open, and close the heater connected with the first branch pipe and Cooler；The choke valve flow control in gas circuit on the second branch pipe is adjusted to air-flow, while opens the heater connected with the second branch pipe And cooler；Wherein, the heating-up temperature of heater is 135 DEG C~145 DEG C, and the chilling temperature of cooler is 30 DEG C~40 DEG C；(5) repetitive cycling step (3) and step (4), the regeneration that the regenerative dryer that the first branch pipe connects connects with the second branch pipe Drier imports hydrogen to the air inlet of rear drier, the purity of the gas outlet output hydrogen of rear drier is more than 99.9%, Dew-point temperature is less than -60 DEG C.
- 8. the purification technique according to claim 7 for hydrogen production from coke oven gas, it is characterised in that the step (3) and The heating-up temperature of heater is set to 140 DEG C in step (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710802012.XA CN107459019B (en) | 2017-09-07 | 2017-09-07 | Purifying equipment system for hydrogen production from coke oven gas and purifying process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710802012.XA CN107459019B (en) | 2017-09-07 | 2017-09-07 | Purifying equipment system for hydrogen production from coke oven gas and purifying process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107459019A true CN107459019A (en) | 2017-12-12 |
| CN107459019B CN107459019B (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710802012.XA Expired - Fee Related CN107459019B (en) | 2017-09-07 | 2017-09-07 | Purifying equipment system for hydrogen production from coke oven gas and purifying process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114621790A (en) * | 2022-03-17 | 2022-06-14 | 鄂尔多斯职业学院 | Method for preparing hydrogen by coal gasification and purification device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101444755A (en) * | 2008-12-24 | 2009-06-03 | 浙江工业大学 | Method for preparing spherical catalyst and special device thereof |
| CN102719289A (en) * | 2012-06-21 | 2012-10-10 | 新地能源工程技术有限公司 | Process for preparing liquefied natural gas (LNG) and hydrogen from coke oven gas |
-
2017
- 2017-09-07 CN CN201710802012.XA patent/CN107459019B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101444755A (en) * | 2008-12-24 | 2009-06-03 | 浙江工业大学 | Method for preparing spherical catalyst and special device thereof |
| CN102719289A (en) * | 2012-06-21 | 2012-10-10 | 新地能源工程技术有限公司 | Process for preparing liquefied natural gas (LNG) and hydrogen from coke oven gas |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114621790A (en) * | 2022-03-17 | 2022-06-14 | 鄂尔多斯职业学院 | Method for preparing hydrogen by coal gasification and purification device |
| CN114621790B (en) * | 2022-03-17 | 2024-03-12 | 鄂尔多斯职业学院 | Method for preparing hydrogen by coal gasification and purifying device |
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| Publication number | Publication date |
|---|---|
| CN107459019B (en) | 2020-07-21 |
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