CN205170782U - Natural qi exhaustion liquid slagging -off deacidification nature gas sled dress device - Google Patents
Natural qi exhaustion liquid slagging -off deacidification nature gas sled dress device Download PDFInfo
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- CN205170782U CN205170782U CN201520826436.6U CN201520826436U CN205170782U CN 205170782 U CN205170782 U CN 205170782U CN 201520826436 U CN201520826436 U CN 201520826436U CN 205170782 U CN205170782 U CN 205170782U
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Abstract
The utility model relates to a natural qi exhaustion liquid slagging -off deacidification nature gas sled dress device, including taking off partial, the desulfurization subtotal decarbonization part of liquid slagging -off, to take off liquid slagging -off part and include an at least flue gas desulfurization reaction ware including a liquid collection tank and an at least whirl coalescence -separation ware, desulfurization part, the decarbonization part is including a particulate filter and an at least membrane separator, the gas exports pipe of whirl coalescence -separation ware is connected with the import pipe of flue gas desulfurization reaction ware, and the liquid solid -phase outlet pipe of whirl coalescence -separation ware is connected with the import pipe of liquid collection tank, the outlet pipe of flue gas desulfurization reaction ware is connected with particulate filter's import pipe, particulate filter's gas outlet duct is connected with the import pipe of membrane separator. The utility model discloses simple structure takes off liquid slagging -off, desulfurization, decarbonization modularized design, can be in a flexible way, motor -driven combination, realize miniaturized, portable sled dressization and unmanned on duty ization, and be applicable to the increase work of taping the latent power of " dry well ", " small -size well ", " scattered gas well ", " marginal well ", solved simultaneously and put the environmental challenge that the fever caused.
Description
Technical field
The utility model relates to natural gas purification processing technical field, specifically, relates to a kind of natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device.
Background technology
Along with the change of temperature and pressure in Natural gas extraction, conveying, treating processes, in Sweet natural gas, containing foreign material such as a certain amount of condensate oil, water, the grains of sand, welding slag, corrosions, usually also can contain H in Sweet natural gas simultaneously
2s, CO
2deng sour gas, these impurity to follow-up processing treatment and can use generation great effect.Such as etching apparatus and connecting pipeline, increase compressor power consumption, affect motor performance etc.Therefore, Sweet natural gas all needed to be equipped with the slagging-off of de-liquid, acid gas removal purification system, to ensure the safe operation of upstream device before entering pipe network, compressor, engine etc.
Publication number is that the Chinese invention patent application of CN104073310A discloses a kind of natural gas conditioning and dry apparatus and method, and this device comprises depickling dehydration bed, de-heavy hydrocarbon bed and subsidiary pipeline and by-pass valve control.Wherein, the processing unit depickling dehydration bed of core and de-heavy hydrocarbon bed all adopt tube shell type structure, and load sorbent material in tube side as adsorption bed, shell side walks heating agent and refrigerant.During the method thermal regeneration adsorption bed, outside heating agent or refrigerant are directly passed into depickling dehydration bed and de-heavy hydrocarbon bed carry out heating and cooling, thus do not need to use resurgent gases, regenerative process only need can ensure adsorption bed regeneration completely when pipe side passes into the carrier gas of minute quantity, the problem that when solving traditional adsorption bed thermal regeneration, resurgent gases consumption is excessive, reduce the consumption of raw natural gas, add the liquefied fraction of product natural gas liquids.This application for a patent for invention is mainly used in reducing resurgent gases consumption, does not relate to natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device.
Publication number is that the Chinese invention patent of CN103421564A discloses a kind of natural qi exhaustion liquid desulfurizer and sulfur removal technology thereof, belongs to chemical technology field.Described natural qi exhaustion liquid desulfurizer comprises natural gas transport pipeline, knockout drum and sweetener, the present invention is by arranging liquid collecting plate and inverted u-shaped pipe at gas-liquid separation pot bottom, liquid isolated in knockout drum is slowly instilled in the lower cavity below liquid collecting plate by inverted u-shaped pipe, then by the Sweet natural gas after desulfurization is back in the lower cavity below knockout drum, by the Sweet natural gas of large discharge, the atomization of liquid is returned in Sweet natural gas main pipeline with the Sweet natural gas after desulfurization.When carrying out selexol process process by the desulfurizer described in this utility model, have that desulfurizer is with low cost, sulfur removal technology environmental protection and the advantage economized on resources.This invention is mainly used in the desulfurization of natural qi exhaustion liquid, does not relate to Sweet natural gas slagging-off and processes other sour gas (as CO
2).
Oil-gas field dehydration at present more than domestic 200,000 sides, de-hydrocarbon, desulfurization and decarburization technique and equipment more, industrial applications is comparative maturity also, but for small-sized well implication, as 1-5 ten thousand sides/day, treatment measures are fewer, processing cost is higher, and extensive natural gas purification processing technology is not suitable for treatment unit on a small scale yet.
Utility model content
The purpose of this utility model is the above-mentioned defect and the deficiency that overcome prior art existence, provides a kind of natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device.
According to the utility model embodiment, provide a kind of natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device, described skid-mounted device comprises de-liquid slagging-off part, disengagement section and decarbonized portion, described de-liquid slagging-off part comprises a liquid collection tank and an eddy flow coalescing separator, described disengagement section comprises a desulphurization reactor, and described decarbonized portion comprises a particulate filter and a membrane separation apparatus; The gaseous phase outlet pipe of described eddy flow coalescing separator is connected with the inlet pipe of desulphurization reactor, and the liquid-solid phase outlet pipe of eddy flow coalescing separator is connected with the inlet pipe of liquid collection tank; The outlet pipe of described desulphurization reactor is connected with the inlet pipe of particulate filter; The gas outlet tube of described particulate filter is connected with the inlet pipe of membrane separation apparatus.
According to the utility model embodiment, provide a kind of natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device, described skid-mounted device comprises de-liquid slagging-off part, disengagement section and decarbonized portion, described de-liquid slagging-off part comprises a liquid collection tank and two eddy flow coalescing separators, described disengagement section comprises two desulphurization reactors, and described decarbonized portion comprises a particulate filter and two membrane separation apparatuss; The gaseous phase outlet pipe of described eddy flow coalescing separator is connected with the inlet pipe of desulphurization reactor, and the liquid-solid phase outlet pipe of eddy flow coalescing separator is connected with the inlet pipe of liquid collection tank; The outlet pipe of described desulphurization reactor is connected with the inlet pipe of particulate filter; The gas outlet tube of described particulate filter is connected with the inlet pipe of membrane separation apparatus.
According to the utility model embodiment, provide a kind of natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device, described skid-mounted device comprises de-liquid slagging-off part, disengagement section and decarbonized portion, described de-liquid slagging-off part comprises a liquid collection tank and two eddy flow coalescing separators, described disengagement section comprises three desulphurization reactors, and described decarbonized portion comprises a particulate filter and three membrane separation apparatuss; The gaseous phase outlet pipe of described eddy flow coalescing separator is connected with the inlet pipe of desulphurization reactor, and the liquid-solid phase outlet pipe of eddy flow coalescing separator is connected with the inlet pipe of liquid collection tank; The outlet pipe of described desulphurization reactor is connected with the inlet pipe of particulate filter; The gas outlet tube of described particulate filter is connected with the inlet pipe of membrane separation apparatus.
The above-mentioned skid-mounted device structure that the utility model embodiment provides is simple, adopt de-liquid slagging-off, desulfurization, decarburization modular design, carry out flexibly according to the actual needs of natural gas conditioning, motor-driven serial connection, when such as unstripped gas is without the need to desulfurization, de-liquid slagging-off part directly can be connected in series with decarbonized portion, when unstripped gas is without the need to decarburization, de-liquid slagging-off part can be connected in series with disengagement section, realize miniaturization, portable skid and unattended, be highly suitable for " dry well ", " small-sized well ", " scattered gas well ", the enhancing efficiency by relying on tapping internal latent power work of " peripheral well ", for enterprise brings economic benefit, solve the environmental problem of putting and burning and causing simultaneously, solid impurity extrusion rate is 100%, particle diameter drop extrusion rate more than 1 μm reaches more than 99.9%, hydrogen sulfide content≤6mg/m
3, carbon dioxide content≤2%.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device in the utility model embodiment 1.
Accompanying drawing 2 is the structural representation of natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device in the utility model embodiment 2.
Accompanying drawing 3 is the Valve controlling figure of desulfurizer in the utility model embodiment 2.
Accompanying drawing 4 is the structural representation of natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device in the utility model embodiment 3.
In figure, 1, liquid collection tank, 2, eddy flow coalescing separator, 3, desulphurization reactor, 4, particulate filter, 5, membrane separation apparatus, 6, rinse mouth, 7, leakage fluid dram, 8, discharge opening, 9, rinse mouth, 10, slag-drip opening.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further.
Embodiment 1: as shown in Figure 1, a kind of natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device, this skid-mounted device comprises de-liquid slagging-off part, disengagement section and decarbonized portion, described de-liquid slagging-off part comprises a liquid collection tank 1 and an eddy flow coalescing separator 2, described disengagement section comprises a desulphurization reactor 3, and described decarbonized portion comprises a particulate filter 4 and a membrane separation apparatus 5; The gaseous phase outlet pipe of described eddy flow coalescing separator 2 is connected with the inlet pipe of desulphurization reactor 3, and the liquid-solid phase outlet pipe of eddy flow coalescing separator 2 is connected with the inlet pipe of liquid collection tank 1; The outlet pipe of described desulphurization reactor 3 is connected with the inlet pipe of particulate filter 4; The gas outlet tube of described particulate filter 4 is connected with the inlet pipe of membrane separation apparatus 5.
In the skid-mounted device that the utility model above-described embodiment provides, the outer wall of eddy flow coalescing separator 2 is all wound with electrical heating device and sweep gas turnover pipeline, can be heated up by electrically heated and the sorbent material of eddy flow coalescing separator 2 inside is regenerated, also can be regenerated by the sorbent material of sweep gas to eddy flow coalescing separator 2 inside; Eddy flow coalescing separator 2 comprise concurrent cyclonic separation part and and flow coalescent fractionation by adsorption part, two portions adopt flexible fixed form to be composited, and volume is little, is convenient to skid, easy to maintenance.
In the skid-mounted device that the utility model above-described embodiment provides, described desulphurization reactor 3 adopts the radial bed desulphurization reactor that center flow channels percentage of open area is 5-50%, outer flow passage percentage of open area is 10-50%, the bed of described radial bed desulphurization reactor is provided with catalyst sealing, prevents because beds sedimentation causes gas short circuit; Offer uneven hole or the different hole of pore size at the flow manifold of described radial bed desulphurization reactor and afflux runner, fluid well-distributing is distributed; Be equipped with Stainless Steel Cloth at the flow manifold of described radial bed desulphurization reactor and the inner side of afflux runner, prevent sweetening agent to be blown.In the present embodiment, desulphurization reactor adopts radial bed desulphurization reactor, and the high pressure drop and the skidization that solve the axially-located bed absorbing process that long period switches install a difficult problem.
Membrane separation apparatus decarburization is for middle-size and small-size Sweet natural gas decarburization, and in the skid-mounted device that the utility model above-described embodiment provides, membrane separation apparatus 5 adopts without circulation membrane module, and efficient volume is little, is convenient to skidization and installs.
In the present embodiment, desulphurization reactor and membrane separation apparatus are equipped with one, be applicable to material gas quantity less or unstripped gas foreign matter content is lower time gas conditioning.
The concrete steps of its de-liquid slagging-off acid gas removal are as follows:
De-liquid is except Slag treatment: the unstripped gas carrying large drop and solid particulate secretly tangentially enters the concurrent cyclonic separation part of eddy flow coalescing separator, rotate from top to bottom along outer wall, and continuous inwardly changing into rotates up along axis, solid particulate in air-flow and large drop are thrown toward the wall of concurrent cyclonic separation part under the influence of centrifugal force, wall along concurrent cyclonic separation part under the induced effect of gravity and air-flow falls, gas enters and flows coalescent fractionation by adsorption part, small droplets and flow the coalescing layer of coalescent fractionation by adsorption part and adsorbent surface absorption is agglomerated into large drop, gas and liquid flowing carries out the separation of liquids and gases when flowing out and flow coalescent fractionation by adsorption part, the liquid phase removed and solid phase enter liquid collection tank and carry out solid-liquor separation.
Desulfurization process: enter radial bed desulphurization reactor through de-liquid except the gas of Slag treatment, load sweetening agent in radial bed desulphurization reactor, removed the H in gas by the absorption reaction of sweetening agent
2s.
Carbonization treatment: the gas after desulfurization enters membrane separation apparatus after particulate filter filters to carry out dry method and take off CO
2, obtain the Sweet natural gas after purification.Gas product after purification is sent outside, rich CO
2the point emptying of tail gas height or torch put burning.
Embodiment 2: as shown in Figure 2, a kind of natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device, described skid-mounted device comprises de-liquid slagging-off part, disengagement section and decarbonized portion, described de-liquid slagging-off part comprises a liquid collection tank 1 and two eddy flow coalescing separators 2, described disengagement section comprises two desulphurization reactors 3, and described decarbonized portion comprises a particulate filter 4 and two membrane separation apparatuss 5; The gaseous phase outlet pipe of described eddy flow coalescing separator 2 is connected with the inlet pipe of desulphurization reactor 3, and the liquid-solid phase outlet pipe of eddy flow coalescing separator 3 is connected with the inlet pipe of liquid collection tank 1; The outlet pipe of described desulphurization reactor 3 is connected with the inlet pipe of particulate filter 4; The gas outlet tube of described particulate filter 4 is connected with the inlet pipe of membrane separation apparatus 5.
In the skid-mounted device that the utility model above-described embodiment provides, the outer wall of every platform eddy flow coalescing separator is all wound with electrical heating device and sweep gas turnover pipeline, can be heated up by electrically heated and the sorbent material of eddy flow coalescing separator inside is regenerated, also can be regenerated by the sorbent material of sweep gas to eddy flow coalescing separator inside; Two eddy flow coalescing separators are used alternatingly or use in parallel, and when being used alternatingly, wherein an eddy flow coalescing separator is in running order, and another eddy flow coalescing separator carries out adsorbent reactivation work.Eddy flow coalescing separator comprise concurrent cyclonic separation part and and flow coalescent fractionation by adsorption part, two portions adopt flexible fixed form to be composited, and volume is little, is convenient to skid, easy to maintenance.
In the skid-mounted device that the utility model above-described embodiment provides, described desulphurization reactor adopts the radial bed desulphurization reactor that center flow channels percentage of open area is 5-50%, outer flow passage percentage of open area is 10-50%, the bed of described radial bed desulphurization reactor is provided with catalyst sealing, prevents because beds sedimentation causes gas short circuit; Offer uneven hole or the different hole of pore size at the flow manifold of described radial bed desulphurization reactor and afflux runner, fluid well-distributing is distributed; Be equipped with Stainless Steel Cloth at the flow manifold of described radial bed desulphurization reactor and the inner side of afflux runner, prevent sweetening agent to be blown.In the present embodiment, desulphurization reactor adopts radial bed desulphurization reactor, and the high pressure drop and the skidization that solve the axially-located bed absorbing process that long period switches install a difficult problem.
In the skid-mounted device that the utility model above-described embodiment provides, two radial bed desulphurization reactors adopt series-parallel systems to connect, and both can be used alone, in parallelly to use, use of also can connecting, adopts serial operation under normal circumstances.The valve be located in this enforcement before and after desulphurization reactor adopts manually and chain automatic control combines, and realizes the switching of different series-parallel connection combination.As shown in Figure 3, the operation of different operating mode lower valve is as follows:
(1) radial bed desulphurization reactor A is used alone: 1., 2. valve is opened, and all the other are closed.1. flow of feed gas enters First adsorption bed through valve, 2. enters into next unit through valve, and AP-101 sampling can analyze sweetening effectiveness;
(2) radial bed desulphurization reactor B is used alone: 7., 8. valve is opened, and all the other are closed.7. flow of feed gas enters First adsorption bed through valve, 8. enters into next unit through valve, and AP-102 sampling can analyze sweetening effectiveness;
(3) radial bed desulphurization reactor A-B connects and uses: 1., 4., 5., 8. valve is opened, and all the other are closed.1. flow of feed gas enters radial bed desulphurization reactor A through valve, 4., 5. enters radial bed desulphurization reactor B, 8. enter into next unit through valve through valve, and AP-102 sampling can analyze sweetening effectiveness;
(4) radial bed desulphurization reactor B-A connects and uses: 7., 6., 3., 2. valve is opened, and all the other are closed.7. flow of feed gas enters radial bed desulphurization reactor B through valve, 6., 3. enters radial bed desulphurization reactor A, 2. enter into next unit through valve through valve, and AP-101 sampling can analyze sweetening effectiveness;
(5) change radial bed desulphurization reactor A sweetening agent operating mode (radial bed desulphurization reactor B is used alone): 7., 8. valve is opened, all the other are closed.7. flow of feed gas enters radial bed desulphurization reactor B through valve, 8. enters into next unit through valve;
(6) change radial bed desulphurization reactor B sweetening agent operating mode (radial bed desulphurization reactor A is used alone): 1., 2. valve is opened, all the other are closed.1. flow of feed gas enters radial bed desulphurization reactor A through valve, 2. enters into next unit through valve;
(7) without the need to Desulfurization: when well head gas sulphur content is lower, open valve 1., 3., 6., 8., 2., 4., 5., 7., 1., 3., 6., 8. flow of feed gas directly carries out next unit through valve to chain valve-off, and AP-102 sampling can analyze sweetening effectiveness.
Membrane separation apparatus decarburization is for middle-size and small-size Sweet natural gas decarburization, and in the skid-mounted device that the utility model above-described embodiment provides, membrane separation apparatus adopts without circulation membrane module, and efficient volume is little, is convenient to skidization and installs; Two membrane separation apparatuss adopt parallel way, can improve processing power, reduce the size of separate unit membrane separation apparatus, are convenient to skidization and install.
In the present embodiment, desulphurization reactor and membrane separation apparatus are equipped with two, be applicable to material gas quantity comparatively large or foreign matter content is higher time gas conditioning.
The concrete steps of its de-liquid slagging-off acid gas removal are as follows:
De-liquid is except Slag treatment: two eddy flow coalescing separators are used alternatingly, the unstripped gas carrying large drop and solid particulate secretly tangentially enters the concurrent cyclonic separation part of the first eddy flow coalescing separator, rotate from top to bottom along outer wall, and continuous inwardly changing into rotates up along axis, solid particulate in air-flow and large drop are thrown toward the wall of concurrent cyclonic separation part under the influence of centrifugal force, wall along concurrent cyclonic separation part under the induced effect of gravity and air-flow falls, gas enters and flows coalescent fractionation by adsorption part, small droplets and flow the coalescing layer of coalescent fractionation by adsorption part and adsorbent surface absorption is agglomerated into large drop, gas and liquid flowing carries out the separation of liquids and gases when flowing out and flow coalescent fractionation by adsorption part, the liquid phase removed and solid phase enter liquid collection tank and carry out solid-liquor separation.After adsorbent in the first eddy flow coalescing separator is saturated, switch to the second eddy flow coalescing separator, purged by electrically heated or logical hot gas and the sorbent material in the first eddy flow coalescing separator is regenerated, so circulate, realize continuous seepage; When material gas quantity is larger, the parallel operation of two eddy flow coalescing separators.When being regenerated the sorbent material in the first eddy flow coalescing separator by logical hot gas purging, hot gas is entered by the inlet pipe being arranged on eddy flow coalescing separator top, and discharged by the escape pipe being arranged on eddy flow coalescing separator bottom, thus realize the adsorbent reactivation in the first eddy flow coalescing separator.
Desulfurization process: enter the first radial bed desulphurization reactor through de-liquid except the gas of Slag treatment, remove most H in gas by the absorption reaction of sweetening agent in the first radial bed desulphurization reactor
2s, then remove remaining H through the second radial bed desulphurization reactor
2s, along with the prolongation of adsorption time, the sweetening agent of the first radial bed desulphurization reactor lost efficacy gradually, after the sweetening agent complete failure of the first radial bed desulphurization reactor, switch to the second radial bed desulphurization reactor to be used alone, treat that the first radial bed desulphurization reactor changes sweetening agent, switch to series model, make unstripped gas first remove most H through the second radial bed desulphurization reactor
2s, then remove remaining H through the first thionizer
2s, so recycles and can give full play to sweetening agent loading capacity.
Carbonization treatment: the gas after desulfurization enters two membrane separation apparatuss in parallel after particulate filter filters to carry out dry method and take off CO
2, obtain the Sweet natural gas after purification.Gas product after purification is sent outside, rich CO
2the point emptying of tail gas height or torch put burning.
Embodiment 3: as shown in Figure 4, a kind of natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device, this skid-mounted device comprises de-liquid slagging-off part, disengagement section and decarbonized portion, described de-liquid slagging-off part comprises a liquid collection tank 1 and two eddy flow coalescing separators 2, described disengagement section comprises three desulphurization reactors 3, and described decarbonized portion comprises a particulate filter 4 and three membrane separation apparatuss 5; The gaseous phase outlet pipe of described eddy flow coalescing separator 2 is connected with the inlet pipe of desulphurization reactor 3, and the liquid-solid phase outlet pipe of eddy flow coalescing separator 2 is connected with the inlet pipe of liquid collection tank 1; The outlet pipe of described desulphurization reactor 3 is connected with the inlet pipe of particulate filter 4; The gas outlet tube of described particulate filter 4 is connected with the inlet pipe of membrane separation apparatus 5.
In the skid-mounted device that the utility model above-described embodiment provides, the outer wall of every platform eddy flow coalescing separator is all wound with electrical heating device and sweep gas turnover pipeline, can be heated up by electrically heated and the sorbent material of eddy flow coalescing separator inside is regenerated, also can be regenerated by the sorbent material of sweep gas to eddy flow coalescing separator inside; Two eddy flow coalescing separators are used alternatingly or use in parallel, and when being used alternatingly, wherein an eddy flow coalescing separator is in running order, and another eddy flow coalescing separator carries out adsorbent reactivation work.Eddy flow coalescing separator comprise concurrent cyclonic separation part and and flow coalescent fractionation by adsorption part, two portions adopt flexible fixed form to be composited, and volume is little, is convenient to skid, easy to maintenance.
In the skid-mounted device that the utility model above-described embodiment provides, described desulphurization reactor adopts the radial bed desulphurization reactor that center flow channels percentage of open area is 5-50%, outer flow passage percentage of open area is 10-50%, the bed of described radial bed desulphurization reactor is provided with catalyst sealing, prevents because beds sedimentation causes gas short circuit; Offer uneven hole or the different hole of pore size at the flow manifold of described radial bed desulphurization reactor and afflux runner, fluid well-distributing is distributed; Be equipped with Stainless Steel Cloth at the flow manifold of described radial bed desulphurization reactor and the inner side of afflux runner, prevent sweetening agent to be blown.In the present embodiment, desulphurization reactor adopts radial bed desulphurization reactor, and the high pressure drop and the skidization that solve the axially-located bed absorbing process that long period switches install a difficult problem.
In the skid-mounted device that the utility model above-described embodiment provides, three radial bed desulphurization reactors adopt series-parallel systems to connect, and both can be used alone, in parallelly to use, uses of also can connecting, under normal circumstances employing two serial operations.The valve be located in this enforcement before and after desulphurization reactor adopts manually and chain automatic control combines, and realizes the switching of different series-parallel connection combination.
Membrane separation apparatus decarburization is for middle-size and small-size Sweet natural gas decarburization, and in the skid-mounted device that the utility model above-described embodiment provides, membrane separation apparatus adopts without circulation membrane module, and efficient volume is little, is convenient to skidization and installs; Three membrane separation apparatuss adopt parallel way, can improve processing power, reduce the size of separate unit membrane separation apparatus, are convenient to skidization and install.
In the present embodiment, desulphurization reactor and membrane separation apparatus are equipped with three, are applicable to gas conditioning during the large or foreign matter content height of material gas quantity.
The concrete steps of its de-liquid slagging-off acid gas removal are as follows:
De-liquid is except Slag treatment: two eddy flow coalescing separators are used alternatingly, the unstripped gas carrying large drop and solid particulate secretly tangentially enters the concurrent cyclonic separation part of the first eddy flow coalescing separator, rotate from top to bottom along outer wall, and continuous inwardly changing into rotates up along axis, solid particulate in air-flow and large drop are thrown toward the wall of concurrent cyclonic separation part under the influence of centrifugal force, wall along concurrent cyclonic separation part under the induced effect of gravity and air-flow falls, gas enters and flows coalescent fractionation by adsorption part, small droplets and flow the coalescing layer of coalescent fractionation by adsorption part and adsorbent surface absorption is agglomerated into large drop, gas and liquid flowing carries out the separation of liquids and gases when flowing out and flow coalescent fractionation by adsorption part, the liquid phase removed and solid phase enter liquid collection tank and carry out solid-liquor separation.After adsorbent in the first eddy flow coalescing separator is saturated, switch to the second eddy flow coalescing separator, purged by electrically heated or logical hot gas and the sorbent material in the first eddy flow coalescing separator is regenerated, so circulate, realize continuous seepage; When material gas quantity is larger, the parallel operation of two eddy flow coalescing separators.When being regenerated the sorbent material in the first eddy flow coalescing separator by logical hot gas purging, hot gas is entered by the inlet pipe being arranged on eddy flow coalescing separator top, and discharged by the escape pipe being arranged on eddy flow coalescing separator bottom, thus realize the adsorbent reactivation in the first eddy flow coalescing separator.
Desulfurization process: by two radial bed desulphurization reactor serial operations, another radial bed desulphurization reactor is for subsequent use, enter the first radial bed desulphurization reactor through de-liquid except the gas of Slag treatment, remove most H in gas by the absorption reaction of sweetening agent in the first radial bed desulphurization reactor
2s, then remove remaining H through the second radial bed desulphurization reactor
2s, along with the prolongation of adsorption time, the sweetening agent of the first radial bed desulphurization reactor lost efficacy gradually, after the sweetening agent complete failure of the first radial bed desulphurization reactor, switch to the second radial bed desulphurization reactor and the 3rd radial bed desulphurization reactor series model, make unstripped gas first remove most H through the second radial bed desulphurization reactor
2s, then remove remaining H through the 3rd thionizer
2s, period carries out desulfurizer regeneration to the first radial bed desulphurization reactor or changes sweetening agent operation, use in order to next time, after the sweetening agent complete failure of the second radial bed desulphurization reactor, switch to the 3rd radial bed desulphurization reactor and the first radial bed desulphurization reactor series model, make unstripped gas first remove most H through the 3rd radial bed desulphurization reactor
2s, then remove remaining H through the first thionizer
2s, period carries out desulfurizer regeneration to the second radial bed desulphurization reactor or changes sweetening agent operation, uses, so recycle and can give full play to sweetening agent loading capacity in order to next time.
Carbonization treatment: the gas after desulfurization enters three membrane separation apparatuss in parallel after particulate filter filters to carry out dry method and take off CO
2, obtain the Sweet natural gas after purification.Gas product after purification is sent outside, rich CO
2the point emptying of tail gas height or torch put burning.
As the extension of above-described embodiment, the number of eddy flow coalescing separator, desulphurization reactor and membrane separation apparatus can be selected according to gas material tolerance and foreign matter content, realize the purifying treatment of different scales and foreign matter content Sweet natural gas.When unstripped gas sulphur content lower without the need to desulfurization time, unstripped gas directly can carry out carbonization treatment by decarburization module without desulphurization reactor through de-liquid except after Slag treatment; In like manner, as unstripped gas CO
2content is lower without the need to can without carbonization treatment directly as gas product take-off equipment during decarburization.
Above-described embodiment is used for explaining the utility model, instead of limits the utility model, and in the protection domain of spirit of the present utility model and claim, any amendment make the utility model and change, all fall into protection domain of the present utility model.
Claims (9)
1. a natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device, it is characterized in that: described skid-mounted device comprises de-liquid slagging-off part, disengagement section and decarbonized portion, described de-liquid slagging-off part comprises liquid collection tank and at least one eddy flow coalescing separator, described disengagement section comprises at least one desulphurization reactor, and described decarbonized portion comprises particulate filter and at least one membrane separation apparatus; The gaseous phase outlet pipe of described eddy flow coalescing separator is connected with the inlet pipe of desulphurization reactor, and the liquid-solid phase outlet pipe of eddy flow coalescing separator is connected with the inlet pipe of liquid collection tank; The outlet pipe of described desulphurization reactor is connected with the inlet pipe of particulate filter; The gas outlet tube of described particulate filter is connected with the inlet pipe of membrane separation apparatus.
2. natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device according to claim 1, it is characterized in that: described eddy flow coalescing separator is provided with two, the outer wall of every platform eddy flow coalescing separator is all wound with electrical heating device and sweep gas turnover pipeline, two eddy flow coalescing separators are used alternatingly or use in parallel, when being used alternatingly, wherein an eddy flow coalescing separator is in running order, and another eddy flow coalescing separator carries out adsorbent reactivation work.
3. the natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device according to claim 1 or 2 any one, is characterized in that: every platform eddy flow coalescing separator includes concurrent cyclonic separation part and and flows coalescent fractionation by adsorption part.
4. natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device according to claim 1, it is characterized in that: when described desulphurization reactor is multiple stage, the front and back valve of multiple stage desulphurization reactor adopts manually and chain automatic control combines, and realizes the switching of the different series-parallel connection combination of multiple stage desulphurization reactor.
5. the natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device according to claim 1 or 4 any one, is characterized in that: described desulphurization reactor adopts the radial bed desulphurization reactor that center flow channels percentage of open area is 5-50%, outer flow passage percentage of open area is 10-50%.
6. natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device according to claim 5, is characterized in that: on the bed of described radial bed desulphurization reactor, be provided with catalyst sealing.
7. natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device according to claim 5, it is characterized in that: offer uneven hole or the different hole of pore size at the flow manifold of described radial bed desulphurization reactor and afflux runner, be equipped with Stainless Steel Cloth at the flow manifold of described radial bed desulphurization reactor and the inner side of afflux runner.
8. natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device according to claim 5, is characterized in that: described radial bed desulphurization reactor is provided with two or three, two or the connection of three radial bed desulphurization reactors employing series-parallel systems.
9. natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device according to claim 1, is characterized in that: described membrane separation apparatus is provided with two or three, two or the connection of three membrane separation apparatuss employing parallel waies.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520826436.6U CN205170782U (en) | 2015-10-23 | 2015-10-23 | Natural qi exhaustion liquid slagging -off deacidification nature gas sled dress device |
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|---|---|---|---|
| CN201520826436.6U CN205170782U (en) | 2015-10-23 | 2015-10-23 | Natural qi exhaustion liquid slagging -off deacidification nature gas sled dress device |
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| CN205170782U true CN205170782U (en) | 2016-04-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105219464A (en) * | 2015-10-23 | 2016-01-06 | 中国石油大学(华东) | Natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device and technique |
| CN107583431A (en) * | 2016-07-07 | 2018-01-16 | 北京化工大学苏州（相城）研究院 | High gravity desulfurization method based on sacrificial desulfurizing agent and put into skid |
-
2015
- 2015-10-23 CN CN201520826436.6U patent/CN205170782U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105219464A (en) * | 2015-10-23 | 2016-01-06 | 中国石油大学(华东) | Natural qi exhaustion liquid slagging-off acid gas removal skid-mounted device and technique |
| CN107583431A (en) * | 2016-07-07 | 2018-01-16 | 北京化工大学苏州（相城）研究院 | High gravity desulfurization method based on sacrificial desulfurizing agent and put into skid |
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Granted publication date: 20160420 Effective date of abandoning: 20171003 |