CN207413150U - A kind of Complexing Iron desulfurizer and Complexing Iron desulphurization system - Google Patents

Abstract

The utility model provides a kind of Complexing Iron desulfurizer, it includes Complexing Iron desulfurization reactor and pressure-regulating device, top isolation, the gas uptake zone and catalyst regeneration zones of bottom liquid connection are arranged to inside Complexing Iron desulfurization reactor, top isolation, the purified gas area of bottom liquid connection and regeneration tail gas area are also configured as inside pressure-regulating device, and is connected respectively with gas absorbing reaction area and catalyst regeneration zones.The utility model additionally provides a kind of Complexing Iron desulphurization system.Same desulfurization reactor is divided into gas-insulated, fluid connection two functional areas by desulfurizer provided by the utility model and desulphurization system, and gas pressure difference is compensated and adjusted by pressure-regulating device, it ensure that device and system safe and stable operation and realize high-precision desulfurization requirement, device integrated level is high, low energy consumption, and floor space is small, and device fabrication is simple, production operation is also safe and simple, is applicable to the sour gas unstripped gas of processing separate sources.

Description

A kind of Complexing Iron desulfurizer and Complexing Iron desulphurization system

Technical field

The utility model is related to industrially desulfurized fields, and in particular to a kind of Complexing Iron desulfurizer and including the desulfurization The Complexing Iron desulphurization system of device.

Background technology

In fields such as oil-refining chemical, coal chemical industry and natural gas processings, multiple technical process can be all generated containing hydrogen sulfide Sour gas, therefore, Acidic Gas Treating device has become the indispensable technique unit of many Chemical Manufactures.At sour gas For science and engineering skill, complexing iron process is because of advantages such as its process conditions with Efficient Conversion rate, larger operating flexibility and mitigation And have become a kind of preferred acid gas desulfurization process route.

When using Complexing Iron process sour gas, according to handled sour gas type, the producer usually adopts Take two kinds of technological processes, i.e. outer circulation type and internal-circulation type.If be after handled Acidic Gas Treating valuable material or It after person's processing needs that downstream units is sent to be further processed (such as natural gas), in other words, technological requirement purified gas is unsuitable for and air Mixing, then, outer circulation type flow just becomes necessary selection, i.e., by the absorbing reaction of sour gas and the oxidation of complexing ferrous solution Regenerative response is respectively placed in two reactors and carries out, and purified gas that treated and regeneration tail gas go out device respectively.Outer circulation type stream The advantage of journey is to can be adapted for various sour gas raw materials, the behaviour of two reactors (absorbing oxidation reactor and regeneration reactor) It is different as pressure, thus, sour gas and regeneration air are mutual indepedent, and the two will not generate interference.But its shortcoming is exactly Have that flow is complex, device integration is relatively low, high energy consumption, takes up a large area using the outer circulation of two reactor apparatus Shortcoming.

, whereas if can directly be discharged after handled Acidic Gas Treating (such as the Acidic Gas Treating tail of not hydrocarbon-containifirst Gas) or treatment process purified gas is allowed to be mixed with air, it is possible to two reactors are combined into one, two strands of tail gas mix Go out device together afterwards, that is to say, that the producer can select internal-circulation type flow.Internal-circulation type flow is due to by two reactors It is combined into one, therefore has many advantages, such as that device integration height, simple flow, floor space are smaller, still, the drawback is that being unsuitable for The sour gas that cannot be mixed with air is handled, and the operating pressure of two strands of tail gas should be consistent.

Utility model content

To overcome the above equipment defect in existing Complexing Iron process sour gas technology, the purpose of this utility model it One is to provide a kind of Complexing Iron desulfurizer, simultaneous can take the advantage of two kinds of complexing iron process of outer circulation type and internal-circulation type.

The another object of the utility model is to provide a kind of Complexing Iron desulphurization system.

The utility model provides a kind of Complexing Iron desulfurizer, including：

Complexing Iron desulfurization reactor, inside be arranged to top isolation, bottom liquid connection gas uptake zone and catalysis Agent renewing zone；And

Pressure-regulating device, inside be arranged to top isolation, bottom liquid connection purified gas area and regeneration tail gas area, And it is connected respectively with the gas absorbing reaction area of the Complexing Iron desulfurization reactor and catalyst regeneration zones.

In Complexing Iron desulfurizer described in the utility model, top and institute are provided in the Complexing Iron desulfurization reactor State the baffle plate that Complexing Iron desulfurization reactor is connected, thus make the gas uptake zone and catalyst regeneration zones formed top every Absolutely, bottom connects.

In Complexing Iron desulfurizer described in the utility model, the pressure-regulating device includes cylindrical vertical response Device, be internally provided with the partition plate that is connected at the top of the vertical reactor, it is thus made to be divided into top isolation, bottom connect it is net Hua Qi areas and regeneration tail gas area.

The utility model additionally provides a kind of Complexing Iron desulphurization system, including above technical scheme any one of them network Close iron desulfurizer.

In Complexing Iron desulphurization system described in the utility model, further include to filter the Complexing Iron desulfurizer discharge Sulphur solid sulfur filtration device.

In Complexing Iron desulphurization system described in the utility model, the sulfur filtration device is also filled with the Complexing Iron desulfurization The catalyst regeneration zones put are connected.

Complexing Iron desulfurizer provided by the utility model and desulphurization system by same desulfurization reactor be divided into it is gas-insulated, Two functional areas of catalyst liquid connection, and gas pressure difference is compensated and adjusted by pressure-regulating device, it can both complete acid Property desulfurization and catalyst regeneration, and can ensure that desulfurizer and desulphurization system realize that self pressure is adjusted, ensure that device and Safe and stable operation and realize high-precision desulfurization requirement system high efficiency.In addition, Complexing Iron desulfurization provided by the utility model Device and desulphurization system are without two desulphurization reaction equipment, and desulfurizer integrated level is high, and low energy consumption, and floor space is small, equipment system It makes simply, production operation is also safe and simple, is applicable to the sour gas unstripped gas of processing separate sources, and applicability is wide, has wide Wealthy application prospect.

Description of the drawings

Fig. 1 is the structure diagram of the Complexing Iron desulphurization system of the utility model；

Wherein, the reference numerals are as follows：1st, Complexing Iron desulfurization reactor；101st, gas uptake zone；102nd, catalyst is again Raw area；2nd, pressure-regulating device；201st, purified gas area；202nd, regeneration tail gas area；3rd, sulfur filtration device；4th, circulating pump；A, roll over Flowing plate；B, partition plate；

A, sour gas；B, air；C, sulphur；D1, purified gas；D2, regeneration tail gas.

Specific embodiment

To make the purpose of this utility model, technical solution and advantage clearer, it is new to will be further described below this practicality The technical solution of the exemplary embodiment of type.

The one side of the utility model provides a kind of Complexing Iron desulfurizer, uses catalyst as reproducible network Close iron catalyst.As shown in Figure 1, it includes Complexing Iron desulfurization reactor 1 and pressure-regulating device 2, wherein, Complexing Iron desulfurization is anti- The inside of device 1 is answered to be divided into gas uptake zone 101 and catalyst regeneration zones 102 according to the difference of sulfur removal technology, this two functional areas Top isolation, bottom liquid connection are arranged to, two top isolations, bottom liquids are also configured as inside pressure-regulating device 2 and are connected Logical functional areas, respectively purified gas area 201 and regeneration tail gas area 202, gas uptake zone 101 and purified gas area 201, catalyst Renewing zone 102 is connected with regeneration tail gas area 202 by gas piping respectively.

In existing Complexing Iron desulfurizer, the functional areas such as internal gas uptake zone, catalyst regeneration zones top, Bottom is all connection, and specifically, sour gas with being on reactor top for the oxidation air of Complexing Iron catalyst regeneration Gas connection, and each functional areas in bottom are connected by the way that iron catalyst is complexed, therefore, the discharge of this Complexing Iron desulfurizer Gas in, purified gas is mixed with for the tail gas of air of catalyst regeneration, using being limited to.

The utility model by gas uptake zone 101 and the functional areas of catalyst regeneration zones 102 two be arranged to upper gas every Absolutely, bottom liquid connects.Bottom liquids connection in functional areas makes complexing iron catalyst that can still be flowed in reactor, catalytic reaction and Catalytic regeneration, realizes the self-loopa process of uptake zone-renewing zone-uptake zone, and catalyst solution is protected in two functional areas planted agents Consistent liquid level is held, to ensure the smooth of catalyst solution self-loopa process.Functional areas upper gas isolation can then make place The tail gas after purified gas and catalyst regeneration after reason is effectively isolated.

The Complexing Iron desulfurizer of the utility model is additionally provided with pressure-regulating device 2, is divided into top isolation, bottom liquid The purified gas area 201 of body connection and regeneration tail gas area 202, and pass through respectively with gas uptake zone 101 and catalyst regeneration zones 102 Gas piping connects, and during operation, the liquid that a certain amount of property is stablized is accommodated in pressure-regulating device 2, generally can be water, The purified gas D1 that gas uptake zone 101 generates is delivered to purified gas area 201, and air is discharged into after removing entrained drop, Regeneration tail gas D2 after catalyst regeneration is then delivered to regeneration tail gas area 202, is discharged after removing entrained drop.

The Complexing Iron desulfurization reactor 1 and pressure-regulating device 2 of the utility model can form self pressure compensation tune The coupled system of section under normal circumstances, is supplied for the oxidation air of catalyst regeneration by independent air-blaster, final It exports to arrange air, on the premise of reactor stable operation, the pressure oscillation of regeneration tail gas is smaller.It is but acid Gas is influenced due to being carried out many factors such as source unit, cleaning of off-gas downstream units and pipe network system fluctuation be subject to sour gas, Different Acidic Gas Treating devices or same set of Acidic Gas Treating device in the different production times, flow, pressure and into Divide there are a certain range of fluctuation, two strands of gaseous streams, can be to the knot of Complexing Iron desulfurization reactor there may be pressure differential as a result, Structure has an impact safely.When a pressure differential exists, can be inhaled by the variation of the liquid level difference of two subregions in pressure-regulating device 2 Compensation is received, so as to ensure that two strands of gaseous streams while independent operating, the two pressure reaches dynamic equilibrium by compensation adjustment, To ensure that the Complexing Iron desulfurizer of the utility model or even entire desulphurization system being capable of safe and stable operations.

In an embodiment according to the present utility model, top and complexing are provided in Complexing Iron desulfurization reactor 1 The connected baffle plate a of iron desulfurization reactor 1, thus make gas uptake zone 101 and catalyst regeneration zones 102 formed top isolation, The difunctional area of bottom connection.The distance of baffle plate a and 1 bottom of Complexing Iron desulfurization reactor should be less than the liquid of complexing iron catalyst Position height.

In an embodiment according to the present utility model, pressure-regulating device 2 includes cylindrical vertical reactor, The partition plate b with being connected at the top of vertical reactor is internally provided with, it is thus made to be divided into top isolation, two regions of bottom connection. The distance of partition plate b and 2 bottom of pressure-regulating device should be less than the liquid of the liquid level of water, purified gas D1 and regeneration tail gas D2 removings Drop can supplement part water, and desulfurizer is also required to be replenished in time when running, to have the function that compensation adjustment gaseous stream pressure.

The utility model another aspect provides a kind of Complexing Iron desulphurization system, the complexing including the utility model Iron desulfurizer.In addition, for variety classes or the sour gas in source, the Complexing Iron desulphurization system of the utility model can also include Arbitrary upstream or the air processing unit in downstream.

As shown in Figure 1, in an embodiment according to the present utility model, desulphurization system further includes to filter complexing The sulfur filtration device 3 for the sulphur solid particle that iron desulfurizer 1 is discharged.

In an embodiment according to the present utility model, discharge gate and the sulfur filtration of Complexing Iron desulfurizer 1 fill Circulating pump 4 is further included between putting 3, the material of discharge is pumped into sulfur filtration device 3.

In the embodiment according to the present utility model, sulfur filtration device 3 is also urged with Complexing Iron desulfurizer 1 Agent renewing zone 102 is connected, and after filtering sulphur solid particle, filtrate, that is, liquid catalyst is back to Complexing Iron desulfurizer 1 It is recycled.

It, (can be with from upstream processing unit in one preferred embodiment of the Complexing Iron desulphurization system of the utility model For the arbitrary process combination that technical field of desulfurization is common, the utility model does not limit) sour gas A enter have it is difunctional anti- Answer the gas uptake zone 101 of the Complexing Iron desulfurizer 1 in area, the sulfurous gas such as hydrogen sulfide are filled through Complexing Iron desulfurization in sour gas A It puts the Complexing Iron catalyst oxidation reaction accommodated in 1 and is converted into sulphur C, isolated afterwards from Complexing Iron solution system Come, complete sweetening process, overall desulfurization efficiency can be more than 99.9%, and the sulphur C of generation is pumped into sulfur filtration device through circulating pump 4 3, separation of solid and liquid is carried out in sulfur filtration device 3, solid sulfur C goes out device as byproduct, and liquid catalyst is recycled to network Close iron desulfurizer 1.Concentration of hydrogen sulfide can generally be down to below 10ppm in purified gas D1 after desulfurization, through pressure-regulating device 2 Purified gas area 201 remove entrained drop after be discharged into air.In acid aspiration, reaction process, also need simultaneously to network The conveying of catalyst regeneration zones 102 for closing iron desulfurizer 1 is used for the air B of catalyst regeneration, after catalyst regeneration reaction again Raw tail gas D2 is discharged into air after entrained drop is removed through the regeneration tail gas area 202 of pressure-regulating device 2.In addition, pressure tune A certain amount of water is accommodated in regulating device 2, when two strands of gaseous streams of Complexing Iron desulphurization system are there are during pressure differential, pressure is adjusted The liquid level difference absorption compensation pressure differential of two subregions in device 2, to ensure that Complexing Iron desulphurization system being capable of safe and stable operation.

In conclusion same desulfurization reactor is divided by Complexing Iron desulfurizer provided by the utility model and desulphurization system Gas-insulated, catalyst liquid connection two functional areas, and compensate by pressure-regulating device and adjust gas pressure difference, both Desulfurization and catalyst regeneration can be completed, and can ensure that desulfurizer and desulphurization system realize that self pressure is adjusted, is ensured Safe and stable operation and realize high-precision desulfurization requirement desulfurizer and system high efficiency.

In addition, Complexing Iron desulfurizer provided by the utility model and desulphurization system take off without two desulphurization reaction equipment Sulphur device integrated level is high, and low energy consumption, and floor space is small, and device fabrication is simple, and production operation is also safe and simple, is applicable to handle The sour gas unstripped gas of separate sources, applicability are wide.

Although with reference to exemplary embodiment describing the utility model, it is to be understood that, term used is explanation and shows Example property, term and not restrictive.Since the utility model can be in a variety of forms embodied without departing from the utility model It is spiritual or substantive, so it is also understood that above-described embodiment is not limited to any foregoing details, and should be in appended claims It is widely explained in the spirit and scope limited, therefore falls into whole variations in claim or its equivalent scope and remodeling Appended claims are all should be to be covered.

Claims (6)

1. a kind of Complexing Iron desulfurizer, which is characterized in that including：

Complexing Iron desulfurization reactor, inside be arranged to top isolation, bottom liquid connection gas uptake zone and catalyst again Raw area；And

Pressure-regulating device, inside be arranged to top isolation, bottom liquid connection purified gas area and regeneration tail gas area, and point It is not connected with the gas absorbing reaction area of the Complexing Iron desulfurization reactor and catalyst regeneration zones.

2. Complexing Iron desulfurizer according to claim 1, which is characterized in that set in the Complexing Iron desulfurization reactor The baffle plate for having top to be connected with the Complexing Iron desulfurization reactor, thus makes the gas uptake zone and catalyst regeneration zones shape Into top isolation, bottom connection.

3. Complexing Iron desulfurizer according to claim 1, which is characterized in that the pressure-regulating device includes cylinder Vertical reactor, be internally provided with the partition plate that is connected at the top of the vertical reactor, thus make its be divided into top completely cut off, bottom The purified gas area of portion's connection and regeneration tail gas area.

4. a kind of Complexing Iron desulphurization system, which is characterized in that filled including the desulfurization of claim 1-3 any one of them Complexing Irons It puts.

5. Complexing Iron desulphurization system according to claim 4, which is characterized in that further include to filter the Complexing Iron and take off The sulfur filtration device of the sulphur solid of sulphur device discharge.

6. Complexing Iron desulphurization system according to claim 5, which is characterized in that the sulfur filtration device also with the network The catalyst regeneration zones for closing iron desulfurizer are connected.