CN204643846U - A kind of Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit - Google Patents
A kind of Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit Download PDFInfo
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- CN204643846U CN204643846U CN201520242342.4U CN201520242342U CN204643846U CN 204643846 U CN204643846 U CN 204643846U CN 201520242342 U CN201520242342 U CN 201520242342U CN 204643846 U CN204643846 U CN 204643846U
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Abstract
The utility model belongs to sulphur recovery and filed of flue gas purification; be specifically related to a kind of Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit, device comprises the equipment such as reactor, sulfur condenser, sulphur separator, tail gas clean-up tank, tail gas burning furnace, chimney, molten sulfur transferpump, sulfur granulator and semi-automatic packer.By these equipment, by acid gas
be converted into elemental sulfur, and after being condensed into molten sulfur, drain into molten sulfur pond or molten sulfur storage tank; Tail gas after incinerator is heated to 650 DEG C, by tail gas
be converted into
after pass through smoke stack emission; By molten sulfur pump delivery to tablets press, after granulation, packaging, be transported to sulfur warehouse.By recovery technology of sulfur of the present utility model and equipment, discharge so2 concentration in flue gas not only can be made lower, highly purified sulphur can also be obtained, achieve Gas Purification Factory lower concentration acid gas process tail gas qualified discharge, byproduct is high purity sulphur, easily sells; This device and technique reduce plant investment and running cost greatly simultaneously.
Description
Technical field
The utility model belongs to sulphur recovery and filed of flue gas purification, is specifically related to a kind of Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit.
Background technology
Gas Purification Factory acid gas is from natural-gas desulfurizer in factory, and hydramine method sulfur removal technology selected by desulfurizer.Contain
after natural gas via desulfurization process, by amine liquid regenerator column top out, about 100 DEG C of acid gas are chilled to 40 ~ 45 DEG C through acid gas air cooler, then through acid gas separator, isolate the acid gas after acid condensate water and enter sulfur recovery facility.Acid gas main component is
with
, and containing the free-water carried on a small quantity and hydramine liquid.
For
the raw natural gas of the low gas reservoir of content after desulfurizer, in acid gas
concentration is also lower, domestic typical gas field as gas reservoir ancient under Changqing oilfields, after purification in acid gas
concentration is positioned between 0.6 ~ 4.5% (V), with
the Gas Purification Factory meter for the treatment of scale, latent sulphur content is 15t/d to the maximum, and in acid gas
content, all more than 88%, causes acid gas tolerance comparatively large, reaches
above.
Different concns
acid gas, adopts different recovery technology of sulfur, specifically in Table-1.
Table-1 is different
concentration sour gas adopts recovery technology of sulfur table
| In sour gas Volume fraction % | 55～100 | 30～55 | 15～30 | 10～15 | 5～10 | <5 |
| The technical process recommended | Flow-through method | The flow-through method of preheating acid gas and air, or unconventional shunting | Shunting | The shunting of preheating acid gas and air | Mix shunting or the direct oxidation method of fuel gas | Direct oxidation method |
From table-1, owing to pacifying the border region in the Gas Purification Factory acid gas of gas field
content, lower than 5% (mol), should adopt direct oxidation method.The direct oxidation method being applicable to the acid gas process of the low sulfur-bearing makings of Gas Purification Factory at present has: Complexing Iron liquid phase oxidation, Clinsulf-DO method, SHELL-PAQUES biological desulfurization and relieving haperacidity method.After technology consultation and contrast, find following problem:
(1) Complexing Iron liquid-phase oxidation doctor treatment and Shell-Paques biological desulfurization total sulfur recovery can reach more than 99.9%, sulfur recovery rate is high, but the sulphur poor quality of producing, be difficult to sell, plant running needs continuous make-up catalyst and various medicament, and whole plant running cost is high;
(2) relieving haperacidity method comprises WSA method and SOP method, all can meet exhaust emissions requirement, but the current domestic sulfuric acid market requirement is in state of saturation, exists and sells difficult problem.
(3) Clinsulf-DO method Recovery ratio is less than 90%, is difficult to meet more and more stricter emission request.
Gas Purification Factory needs to solve that lower concentration acid gas sulfur recovery rate is low, running cost is high and the problem of by-product sale.Domestic catalyzer producer develops selective oxidation sulfur recovery catalyzer and technique, and this catalyzer has successful Application experience in fertilizer plant and the process of Coal Chemical Industry acid gas, and byproduct is sulphur, but Gas Purification Factory is without application achievement.Mainly consist of in fertilizer plant and Coal Chemical Industry tail gas
, CO,
,
,
deng, complicated component, utilizes alkaline waste water to wash tail gas simultaneously, and exhaust emissions is also up to standard, and Gas Purification Factory acid gas has large-minded, tolerance variation range is large,
content is low,
content is high, low-sulfur content feature of diving, if purification plant builds washing device, also needs the problem solving discharge of wastewater.Dimension needs to improve domestic selective oxidation sulfur recovery technology, to adapt to Gas Purification Factory acid gas processing requirements.
Utility model content
The purpose of this utility model solves the problem that in prior art, Gas Purification Factory lower concentration acid gas sulfur recovery rate is low, running cost is high.
For this reason, the utility model provides a kind of Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit, comprises reaction member, sulfur prilling unit and tail gas discharged in burning unit, sulfur prilling unit and the equal ligation unit of tail gas discharged in burning unit;
Described reaction member comprises acid gas separator, acid gas booster fan, air-blaster, line mixer, feed gas heater, adiabatic reactor, sulfur condenser and sulphur separator, acid gas booster fan is connected after described acid gas separator, rear access conduit mixing tank is converged in the air outlet of acid gas booster fan and air-blaster, connects feed gas heater after line mixer; After described adiabatic reactor is connected to feed gas heater, after sulfur condenser is connected to adiabatic reactor, after sulphur separator is connected to sulfur condenser;
Described sulfur prilling unit comprises molten sulfur pond, sulfur granulator and semi-automatic packer, and described molten sulfur pond connects the liquid outlet of sulphur separator, and sulfur granulator connects molten sulfur pond, and semi-automatic packer connects sulfur granulator;
Described tail gas discharged in burning unit comprises exhaust gas cooler, tail gas clean-up tank, tail gas burning furnace and chimney, described exhaust gas cooler connects the air outlet of sulphur separator, tail gas clean-up tank connects exhaust gas cooler, connects tail gas burning furnace and chimney successively after tail gas clean-up tank.
Be provided with condensing works in described sulphur separator, this condensing works is made up of the oiler feed pipeline circulated and the low-pressure steam air cooler be arranged in oiler feed pipeline.
Blade-type separator selected by described acid gas separator; Roots type blower fan selected by acid gas booster fan; multiple centrifugal fan selected by air-blaster; feed gas heater and sulfur condenser all select tube and shell heat exchanger; sulphur separator selects silk screen to coordinate the steam jacket formula separator of vane-type, and charcoal absorption formula separator selected by tail gas clean-up tank, and tail gas burning furnace selects negative-pressure firing stove; tail gas funnel is selected without liner Surgery therapy formula chimney, and sulfur granulator selects steel band tablets press.
The middle gas interchanger that described reaction member also comprises isothermal reactor and is connected with isothermal reactor, isothermal reactor and middle gas interchanger are connected between feed gas heater and adiabatic reactor, and middle gas interchanger is communicated with sulphur separator.
Described feed gas heater is connected with isothermal reactor, provides thermal source by isothermal reactor.
Described isothermal reactor adopts interpolation pipe heat exchange form, is made up of the oiler feed pipeline circulated and the middle pressure steam air cooler be arranged in oiler feed pipeline.
Described sulphur separator has two, and the air outlet of one of them sulphur separator connects tail gas clean-up tank, and the air outlet of another sulphur separator is connected to middle gas interchanger.
Described tail gas burning furnace is connected with incinerator gas blower, and this incinerator gas blower is centrifugal fan; Be provided with molten sulfur degasification pump and molten sulfur transferpump in described molten sulfur pond, submerged pump selected by described molten sulfur transferpump, and molten sulfur pond is connected to sulfur granulator by molten sulfur transferpump.
The beneficial effects of the utility model: by Gas Purification Factory lower concentration acid gas recovery technology of sulfur of the present utility model and device, discharge so2 concentration in flue gas not only can be made lower than 960mg/m3, the acceptable end product sulphur that purity is more than 99.8% can also be obtained, achieve Gas Purification Factory lower concentration acid gas process tail gas qualified discharge, byproduct is high purity sulphur, easily sells; The domestic catalyst all selected of this technique and device and home equipment simultaneously, reduces plant investment and running cost greatly.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present utility model.
Description of reference numerals: 1, acid gas separator; 2, acid gas booster fan; 3, air-blaster; 4, feed gas heater; 5, adiabatic reactor; 6, sulfur condenser; 7, sulphur separator; 8, molten sulfur pond; 9, sulfur granulator; 10, semi-automatic packer; 11, tail gas clean-up tank; 12, tail gas burning furnace; 13, chimney; 14, low-pressure steam air cooler; 15, isothermal reactor; 16, middle gas interchanger; 17, incinerator gas blower; 18, molten sulfur degasification pump; 19, molten sulfur transferpump; 20, middle pressure steam air cooler; 21, drum; 22, line mixer; 23, exhaust gas cooler; 24, flow control valve.
Embodiment
Embodiment 1:
The present embodiment provides a kind of Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit, comprises reaction member, sulfur prilling unit and tail gas discharged in burning unit, sulfur prilling unit and the equal ligation unit of tail gas discharged in burning unit;
As shown in Figure 1, reaction member comprises acid gas separator 1, acid gas booster fan 2, air-blaster 3, line mixer 22, feed gas heater 4, adiabatic reactor 5, sulfur condenser 6 and sulphur separator 7, described acid gas separator 1 connects acid gas booster fan 2 below, rear access conduit mixing tank 22 is converged in the air outlet of acid gas booster fan 2 and air-blaster 3, connects feed gas heater 4 after line mixer 22; After described adiabatic reactor 5 is connected to feed gas heater 4, after sulfur condenser 6 is connected to adiabatic reactor 5, after sulphur separator 7 is connected to sulfur condenser 6;
Sulfur prilling unit comprises molten sulfur pond 8, sulfur granulator 9 and semi-automatic packer 10, and described molten sulfur pond 8 connects the liquid outlet of sulphur separator 7, and sulfur granulator 9 connects molten sulfur pond 8, and semi-automatic packer 10 connects sulfur granulator 9;
Described tail gas discharged in burning unit comprises exhaust gas cooler 23, tail gas clean-up tank 11, tail gas burning furnace 12 and chimney 13, described exhaust gas cooler 23 connects the air outlet of sulphur separator 7, tail gas clean-up tank 11 connects exhaust gas cooler 23, connects tail gas burning furnace 12 and chimney 13 after tail gas clean-up tank 11 successively.
Be provided with condensing works in above-mentioned sulphur separator 7, this condensing works is made up of the oiler feed pipeline circulated and the low-pressure steam air cooler 14 be arranged in oiler feed pipeline.
In this Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit of the present embodiment, blade-type separator selected by acid gas separator 1, Roots type blower fan selected by acid gas booster fan 2, multiple centrifugal fan selected by air-blaster 3, feed gas heater 4 and sulfur condenser 6 all select tube and shell heat exchanger, sulphur separator 7 selects silk screen to coordinate the steam jacket formula separator of vane-type, charcoal absorption formula separator selected by tail gas clean-up tank 11, tail gas burning furnace 12 selects negative-pressure firing stove, tail gas funnel 13 is selected without liner Surgery therapy formula chimney, sulfur granulator 9 selects steel band tablets press.
Tail gas burning furnace 12 is connected with incinerator gas blower 17, and this incinerator gas blower 17 is centrifugal fan; Be provided with molten sulfur degasification pump 18 and molten sulfur transferpump 19 in described molten sulfur pond 8, submerged pump selected by described molten sulfur transferpump 19, and molten sulfur pond 8 is connected to sulfur granulator 9 by molten sulfur transferpump 19.
The present embodiment is by following process implementation:
Step one, step of reaction: the sour gas (40 ~ 45 DEG C, 40 ~ 60kPa) come from desulfurizer passes into acid gas separator 1, free-water, hydramine liquid that removing acid gas carries, be then pressurized to 65kPa (g) through acid gas supercharger 2.Sour gas ensures in acid gas through allocating appropriate air (air is pressurized to 65kPa by air-blaster 3) into
with air
volume ratio
/
=0.6 ~ 0.8.With the incoming stock air preheater 4 of the sour gas after air mixed, be heated to 150 DEG C by high temperature heat conductive oil (200 DEG C).
The Ratio control of acid gas and air flow quantity, by the under meter on acid gas booster fan 2 outlet line and hydrogen sulfide analyzer, calculate the flux values of hydrogen sulfide in acid gas, the air flow quantity that this flux values and air-blaster 3 go out the flowmeter survey on pipeline carries out ratio integrating, thus control air capacity by flow control valve 25, ensure the O entering line mixer 22
2with H
2s ratio is 0.6 ~ 0.8.
The mixed gas heated by feed gas heater 4 enters adiabatic reactor 5.Adiabatic reactor 5 exports (178 DEG C, 29kPa), and tail gas enters sulfur condenser 6 tube side, after being cooled to 125 DEG C, enters sulphur separator 7, is separated by liquid elemental sulphur with tail gas.
Wherein sulfur condenser 6 shell side is evaporated by feedwater, produces 0.01MPa steam, is taken away by middle gas heat.Steam is E-0704 through low-pressure steam air cooler 14(model) after condensation, return sulfur condenser 6, form feedwater-steam cycle heat-obtaining.
Step 2, pelletization stage: the isolated liquid elemental sulphur of sulphur separator 7 enters molten sulfur pond 8, first sprays degassed through molten sulfur degasification pump 18, deviates from and contains in liquid stream
after, outside molten sulfur transferpump 19, deliver to sulfur granulator 9, sulfur granulator 9 utilizes steel band granulation molten sulfur to be cooled to semisphere granular solids sulphur, then is transported to sulfur warehouse after weighing, packing, for sale;
Step 3, the tail gas burning disposal stage: the tail gas that sulphur separator 7 is separated enters exhaust gas cooler 23, cool the temperature to 65 DEG C, then tail gas clean-up tank 11 is entered, the incoagulability sulphur simple substance contained in absorption tail gas, tail gas after purification enters tail gas burning furnace 12, passes into combustible gas simultaneously, and 650 DEG C of high temperature producing by means of fuel gas are by tail gas
be oxidized to
, be cooled to 350 DEG C after the flue gas after burning mixes with air on process pipe, enter chimney 13 and enter air.
Embodiment 2:
This Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit of the present utility model and technique, when
time content is very low, above-described embodiment 1 can realize described function, more applicable, and sulfur recovery rate is higher, and exhaust emissions also reaches emission standard, due in acid gas
content is not stable value, can be sometimes high sometimes low, therefore needs to improve device, can use larger
content range, although the structure in Application Example 1 is compared to prior art progress to some extent, effect is not also clearly, for this reason, makes further improvement in the present embodiment, is applicable in Gas Purification Factory acid gas
content lower than 10% situation.
The present embodiment is on the basis of above-described embodiment 1, to the middle gas interchanger 16 that described reaction member also arranges isothermal reactor 15 and is connected with isothermal reactor 15, isothermal reactor 15 and middle gas interchanger 16 are connected between feed gas heater 4 and adiabatic reactor 5, and middle gas interchanger 16 is communicated with sulphur separator 7.
Isothermal reactor 15 adopts interpolation pipe heat exchange form, is made up of the oiler feed pipeline circulated and the middle pressure steam air cooler 20 be arranged in oiler feed pipeline; Sulphur separator 7 has two, and the air outlet of one of them sulphur separator 7 connects tail gas clean-up tank 11, is tail gas sulphur separator; The air outlet of another sulphur separator 7 is connected to middle gas interchanger 16, for Process Gas sulphur content separates device.Sulfur condenser 6 adopts horizontal pipe shell heat exchanger, and sulphur steam walks tube side, and water coolant walks shell side.Process Gas sulphur content separates device and the isolated molten sulfur cooling of tail gas sulphur separator shares a shell side.Shell side feedwater takes away heat generation 0.05MPa (g) low-pressure steam, and low-pressure steam returns sulfur condenser 6 and recycles after low-pressure steam air cooler 14 cools.
The present embodiment is by following process implementation:
Step one, step of reaction: the sour gas (40 ~ 45 DEG C, 40 ~ 60kPa) come from desulfurizer passes into acid gas separator 1, free-water, hydramine liquid that removing acid gas carries, be then pressurized to 65kPa (g) through acid gas supercharger 2.Sour gas ensures in acid gas through allocating appropriate air (air is pressurized to 65kPa by air-blaster 3) into
with air
volume ratio
/
=0.6 ~ 0.8.With the incoming stock air preheater 4 of the sour gas after air mixed, described feed gas heater 4 is connected with isothermal reactor 15, provides thermal source by isothermal reactor 15.
Isothermal reactor 15 adopts around pipe heat exchange form, adopts feedwater components vaporize, and the mode producing 2.7MPa steam takes reaction heat away.The steam water interface that isothermal reactor 15 produces 230 DEG C is separated and forms 2.7MPa(g in drum 21) vapor portion provide thermal source for unstripped gas preheating, remainder returns drum 21 after carrying out water of condensation mixing with feed gas heater 4 after middle pressure steam air cooler 20 condensation, realizes the recycle of water of condensation.
The Ratio control of acid gas and air flow quantity, by the under meter on acid gas booster fan 2 outlet line and hydrogen sulfide analyzer, calculate the flux values of hydrogen sulfide in acid gas, the air flow quantity that this flux values and air-blaster 3 go out the flowmeter survey on pipeline carries out ratio integrating, thus control air capacity by flow control valve 25, ensure the O entering line mixer 22
2with H
2s ratio is 0.6 ~ 0.8.Simultaneously by the O on Process Gas sulphur separator gaseous phase outlet pipeline
2the O that the online instrument of content and under meter calculate
2content is used as the sub-control loop of both air flow modulation, guarantees O in isothermal reactor outlet gas phase
2content≤0.5%(mol).
The mixed gas heated by feed gas heater 4 enters isothermal reactor 15, in isothermal reactor 15,
with
carry out oxidizing reaction, by more than 95%
be oxidized to elemental sulfur, in order to prevent, bed temperature rise is too high causes catalyst deactivation, and isothermal reactor 15 adopts interpolation pipe heat exchange form, and adopt feedwater vaporization, the mode producing 3.0MPa steam takes reaction heat away.The 3.0MPa steam that isothermal reactor 15 produces, by returning drum 21 after middle pressure steam air cooler 20 condensation, realizes the recycle of middle pressure steam, makes isothermal reactor 15 homo(io)thermism at 240 DEG C.
Drum 21 pressure controls mainly through the condensing water flow flow control valve after middle pressure steam air cooler 20, and isothermal reactor 15 temperature out is sub-control loop.The temperature difference≤1 DEG C is imported and exported by air cooler variable frequency control middle pressure steam air cooler 20.
Sulfur condenser 6 shell side pressure controls mainly through the condensing water flow variable valve after low-pressure steam air cooler 14.The temperature difference≤1 DEG C is imported and exported by air cooler variable frequency control low-pressure steam air cooler 14.Sulfur condenser 6 tube side level stability is controlled by boiler replenishing water.
The middle gas exporting out from isothermal reactor 15 is through middle gas interchanger 16 tube side, after temperature is reduced to 205 DEG C, enter sulfur condenser 6 tube side, molten sulfur is isolated after middle gas is cooled to 125 DEG C, gas phase returns middle gas interchanger 16 shell side, and molten sulfur is by entering molten sulfur pond 8 after sulphur separator 7.
Middle gas interchanger 16 shell-side outlet temperature is 160 DEG C, enter adiabatic reactor 5(herein model be R-0702), carry out deep oxidation.Adiabatic reactor 5 exports (178 DEG C, 29kPa), and tail gas enters sulfur condenser 6 tube side, after being cooled to 125 DEG C, enters sulphur separator 7.Sulfur condenser 6 shell side is evaporated by feedwater, produces 0.01MPa steam, is taken away by middle gas heat.Steam, after low-pressure steam air cooler 14 condensation, returns sulfur condenser 6, forms feedwater-steam cycle heat-obtaining.
Step 2, pelletization stage: the isolated liquid elemental sulphur of sulphur separator 7 enters molten sulfur pond 8, first sprays degassed through molten sulfur degasification pump 18, deviates from the micro-non-condensable gas (H contained in liquid stream
2s, CO
2, CH
4deng) after, outside molten sulfur transferpump 19, deliver to sulfur granulator 9, sulfur granulator 9 utilizes steel band granulation molten sulfur to be cooled to semisphere granular solids sulphur, then after weighing, packing, be transported to sulfur warehouse, for sale;
Step 3, the tail gas burning disposal stage: the tail gas that sulphur separator 7 is separated enters exhaust gas cooler 23, cool the temperature to 65 DEG C, then tail gas clean-up tank 11 is entered, the incoagulability sulphur simple substance contained in absorption tail gas, tail gas after purification enters tail gas burning furnace 12, passes into combustible gas simultaneously, and 650 DEG C of high temperature producing by means of fuel gas are by tail gas
be oxidized to
, be cooled to 350 DEG C after the flue gas after burning mixes with air on process pipe, enter chimney 13 and enter air.
In sum, this Gas Purification Factory lower concentration acid gas sulfur recovery facility of the present utility model and technique, discharge so2 concentration in flue gas not only can be made lower, highly purified sulphur can also be obtained, achieve Gas Purification Factory lower concentration acid gas process tail gas qualified discharge, byproduct is high purity sulphur, easily sells; This device and technique reduce plant investment and running cost greatly simultaneously.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.The parts that the present embodiment does not describe in detail and structure belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.
Claims (7)
1. a Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit, comprises reaction member, sulfur prilling unit and tail gas discharged in burning unit, sulfur prilling unit and the equal ligation unit of tail gas discharged in burning unit;
Described reaction member comprises acid gas separator (1), acid gas booster fan (2), air-blaster (3), line mixer (22), feed gas heater (4), adiabatic reactor (5), sulfur condenser (6) and sulphur separator (7), described acid gas separator (1) connects acid gas booster fan (2) below, rear access conduit mixing tank (22) is converged in the air outlet of acid gas booster fan (2) and air-blaster (3), connects feed gas heater (4) after line mixer (22); After described adiabatic reactor (5) is connected to feed gas heater (4), after sulfur condenser (6) is connected to adiabatic reactor (5), after sulphur separator (7) is connected to sulfur condenser (6);
Described sulfur prilling unit comprises molten sulfur pond (8), sulfur granulator (9) and semi-automatic packer (10), described molten sulfur pond (8) connects the liquid outlet of sulphur separator (7), sulfur granulator (9) connects molten sulfur pond (8), and semi-automatic packer (10) connects sulfur granulator (9);
Described tail gas discharged in burning unit comprises exhaust gas cooler (23), tail gas clean-up tank (11), tail gas burning furnace (12) and chimney (13), described exhaust gas cooler (23) connects the air outlet of sulphur separator (7), tail gas clean-up tank (11) connects exhaust gas cooler (23), connects tail gas burning furnace (12) and chimney (13) after tail gas clean-up tank (11) successively.
2. Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit as claimed in claim 1, it is characterized in that: be provided with condensing works in described sulphur separator (7), this condensing works is made up of the oiler feed pipeline circulated and the low-pressure steam air cooler (14) be arranged in oiler feed pipeline, blade-type separator selected by described acid gas separator (1), Roots type blower fan selected by acid gas booster fan (2), multiple centrifugal fan selected by air-blaster (3), feed gas heater (4) and sulfur condenser (6) all select tube and shell heat exchanger, sulphur separator (7) selects silk screen to coordinate the steam jacket formula separator of vane-type, charcoal absorption formula separator selected by tail gas clean-up tank (11), tail gas burning furnace (12) selects negative-pressure firing stove, tail gas funnel (13) is selected without liner Surgery therapy formula chimney, sulfur granulator (9) selects steel band tablets press.
3. Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit as claimed in claim 1, it is characterized in that: the middle gas interchanger (16) that described reaction member also comprises isothermal reactor (15) and is connected with isothermal reactor (15), isothermal reactor (15) and middle gas interchanger (16) are connected between feed gas heater (4) and adiabatic reactor (5), and middle gas interchanger (16) is communicated with sulphur separator (7).
4. Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit as claimed in claim 3, is characterized in that: described feed gas heater (4) is connected with isothermal reactor (15), provides thermal source by isothermal reactor (15).
5. Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit as claimed in claim 4, it is characterized in that: described isothermal reactor (15) adopts interpolation pipe heat exchange form, is made up of the oiler feed pipeline circulated and the middle pressure steam air cooler (20) be arranged in oiler feed pipeline.
6. the Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit as described in claim 4 or 5, it is characterized in that: described sulphur separator (7) has two, the air outlet of one of them sulphur separator (7) connects tail gas clean-up tank (11), and the air outlet of another sulphur separator (7) is connected to middle gas interchanger (16).
7. the Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit as described in claim 1 or 4, it is characterized in that: described tail gas burning furnace (12) is connected with incinerator gas blower (17), this incinerator gas blower (17) is centrifugal fan; Be provided with molten sulfur degasification pump (18) and molten sulfur transferpump (19) in described molten sulfur pond (8), submerged pump selected by described molten sulfur transferpump (19), and molten sulfur pond (8) are connected to sulfur granulator (9) by molten sulfur transferpump (19).
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|---|---|---|---|
| CN201520242342.4U CN204643846U (en) | 2015-01-19 | 2015-04-21 | A kind of Gas Purification Factory low-sulfur high-carbon acid gas sulfur recovery unit |
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|---|---|---|---|
| CN2015200342070 | 2015-01-19 | ||
| CN201520034207 | 2015-01-19 | ||
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843650A (en) * | 2015-01-19 | 2015-08-19 | 西安长庆科技工程有限责任公司 | Technology for recovering sulfur from low-sulfur high-carbon acid gas in natural gas purification plant and device thereof |
| CN110329995A (en) * | 2019-08-09 | 2019-10-15 | 陕西聚能新创煤化科技有限公司 | Selective oxidation sulfur recovery facility and recovery process |
-
2015
- 2015-04-21 CN CN201520242342.4U patent/CN204643846U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843650A (en) * | 2015-01-19 | 2015-08-19 | 西安长庆科技工程有限责任公司 | Technology for recovering sulfur from low-sulfur high-carbon acid gas in natural gas purification plant and device thereof |
| CN110329995A (en) * | 2019-08-09 | 2019-10-15 | 陕西聚能新创煤化科技有限公司 | Selective oxidation sulfur recovery facility and recovery process |
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