CN204281314U - A kind of device for stable acid production with sulphur and waste gas acid making system - Google Patents
A kind of device for stable acid production with sulphur and waste gas acid making system Download PDFInfo
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- CN204281314U CN204281314U CN201420686363.0U CN201420686363U CN204281314U CN 204281314 U CN204281314 U CN 204281314U CN 201420686363 U CN201420686363 U CN 201420686363U CN 204281314 U CN204281314 U CN 204281314U
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- relieving haperacidity
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Abstract
The utility model discloses a kind of device for stable acid production with sulphur and waste gas acid making system, comprise sulphur-burning sulphuric acid system and waste gas acid making system, sulphur-burning sulphuric acid system comprises incinerator and acid production with sulphur conversion system, waste gas acid making system comprises hydrogen sulfide roasting kiln, waste gas relieving haperacidity refining plant and waste gas relieving haperacidity conversion system, flue I is provided with a branch flue III, the opposite side of described waste gas relieving haperacidity refining plant is provided with the flue IV extending to flue II end, flue IV is provided with a branch flue V, the other end of described flue V is communicated with described flue III.When mainly solving that acid production with sulphur and waste gas relieving haperacidity are used alone in prior art, both all do not reach the problem of best production status, have enhancing productivity and reduce the advantage of production cost.
Description
Technical field
the utility model relates to a kind of device preparing sulfuric acid, particularly relates to a kind of device for stable acid production with sulphur and waste gas acid making system.
Background technology
The technique preparing sulfuric acid in prior art mainly contains acid production with sulphur, hydrogen sulfide relieving haperacidity, pyrite-based sulfuric acid production, flue gas during smelting are produced sulfuric acid, gypsum and phosphogypsum and produced sulfuric acid etc.The existing sulphuric acid plant of our company is the mode of waste gas relieving haperacidity in conjunction with acid production with sulphur, the hydrogen sulfide of waste gas relieving haperacidity mainly again in waste gas, reduce discharge amount of exhaust gas and reduce the content of sulfocompound in air, waste gas obtains effective utilization simultaneously, reduces production cost; Sulphur is the main raw material world today producing sulfuric acid, accounts for 75% of whole world acid production with sulphur, and processing condition are ripe, and production efficiency is high.Existing sulphur-burning sulphuric acid plant and waste gas sulphuric acid plant are independently two cover systems, mainly contain following problem: 1, waste gas relieving haperacidity is vulnerable to the front end acid degassed impact in station and stops, cause system start-stop car frequent, fluctuation of service, accelerate the aging of equipment and add system operation cost; 2, present stage exhausted air quantity wretched insufficiency, whole system load is for being only design loading 20%, because waste gas acid making system load is lower, waste gas relieving haperacidity is caused to transform the dense deficiency of post sulfur dioxide gas, reaction heat is not enough to make-up system heat, need open heating by electric cooker, cause system cloud gray model to fluctuate, power consumption cost increases; 3, sulphur-burning sulphuric acid system transforms post, dry suction post overload operation.Therefore two devices are used alone and all do not reach desirable using state, cause relieving haperacidity cost-effective rate low.
Utility model content
the utility model is intended to solve when acid production with sulphur and waste gas relieving haperacidity two kinds of systems are used alone in prior art, the deficiency of respective existence, proposes a kind of device for stable acid production with sulphur and waste gas acid making system setting up flue and by-pass valve control between acid production with sulphur and waste gas acid making system.
In order to realize foregoing invention object, the technical solution of the utility model is as follows:
A kind of device for stable acid production with sulphur and waste gas acid making system, comprise sulphur-burning sulphuric acid system and waste gas acid making system, described sulphur-burning sulphuric acid system comprises incinerator and acid production with sulphur conversion system, is connected between described incinerator and acid production with sulphur conversion system by flue I; Described waste gas acid making system comprises hydrogen sulfide roasting kiln, waste gas relieving haperacidity refining plant and waste gas relieving haperacidity conversion system, described waste gas relieving haperacidity refining plant side is provided with the flue II be communicated with waste gas relieving haperacidity conversion system, it is characterized in that: described flue I is provided with a branch flue III, the opposite side of described waste gas relieving haperacidity refining plant is provided with the flue IV extending to flue II end, flue IV is provided with a branch flue V, and the other end of described flue V is communicated with described flue III.
In order to realize the utility model better, described flue III and the junction of flue I are provided with the first by-pass valve control.
Described flue IV is provided with the second by-pass valve control and the 3rd by-pass valve control, and described flue V is located between the second described by-pass valve control and the 3rd by-pass valve control.
Described flue V is provided with the 4th by-pass valve control.
Be provided with drum above described flue I, described drum bottom is provided with many water pipes, described water pipe upper end and drum inner space, and lower end closed is also inserted in flue I.
Described flue III extends straight up, and is provided with chimney in end, is provided with the 5th by-pass valve control below described chimney.
Described flue I is provided with tensimeter, according to the size that manometric display regulates the first by-pass valve control and the 4th by-pass valve control to open.
In the utility model, be provided with the indicating unit of temperature and pressure at multiple critical process reference mark place, wherein flue IV is provided with thermometer and tensimeter near waste gas relieving haperacidity refining plant side; Flue II between waste gas relieving haperacidity refining plant and waste gas relieving haperacidity conversion system is provided with thermometer and tensimeter.
After described flue II is communicated with the end of flue IV, be communicated with waste gas relieving haperacidity conversion system by flue VI.
The beneficial effects of the utility model:
1, to be used alone with waste gas acid making system with sulphur-burning sulphuric acid system in prior art and to compare, the utility model is by setting up multiple pipeline thus two systems being connected, because the sulfur dioxide gas after sulfur burning in sulphur-burning sulphuric acid system is superfluous, part sulfurous gas enters waste gas acid making system by flue III through flue IV and flue V, can solve our company's present stage waste gas acid making system source exhaust gas less, load is only 20% of design, produce a large amount of production spaces to leave unused, conversion system cannot balance by maintenance heat, heating by electric cooker conversion system need be opened, cause the problem that electric power resource is wasted, the cost that waste gas utilizes again is high, the problem that utilization ratio is low, meanwhile, by pipeline, unnecessary sulfur dioxide gas is transferred to waste gas acid making system, also reduces the production load of conversion system in sulphur-burning sulphuric acid system, improve the life-span of equipment, thus reach the object enhancing productivity and reduce production cost.
2, in the utility model, the junction of flue III and flue I is provided with the first by-pass valve control, , flue IV is provided with the second by-pass valve control and the 3rd by-pass valve control, flue V is provided with the 4th by-pass valve control, branch flue V set on flue IV is located between the second described by-pass valve control and the 3rd by-pass valve control, first by-pass valve control and the 4th by-pass valve control are the valves that major control sulfurous gas enters the amount of waste gas relieving haperacidity refining plant and waste gas relieving haperacidity conversion system, its amount passed through is controlled according to being located at acid production with sulphur flue I upward pressure table, the effect of the 3rd control valve has two, and (1) enters flue IV due to partial fume, effectively can control sulfurous gas import negative pressure by the 3rd control valve, guarantees that purification post negative pressure index is normal, (2) flue-gas temperature due to flue conveying is higher, after entering conversion system, by the 3rd by-pass valve control, can effectively regulate conversion system heat balance, ensures that conversion system normally runs, the elbow leaning on waste gas relieving haperacidity refining plant section due to the second by-pass valve control is interior lining with lead elbow, can only bear the temperature lower than 180 DEG C, and the material of purification system equipment is glass reinforced plastic and PVC, equal non-refractory, by this valve, control to enter purification system flue-gas temperature, prevent equipment to be burned, in addition because purification system is negative-pressure operation system, negative pressure index is purification emphasis technic index, effectively controls purification system negative pressure, guarantee normal operation by the second by-pass valve control.
3, due to the sulfurous gas temperatures as high 1040 DEG C generated after sulfur burning, in order to reduce the temperature of sulfurous gas, make full use of the heat energy that this process produces simultaneously, in the utility model, drum is provided with above flue I, drum bottom is provided with many water pipes, the top of water pipe and drum inner space, bottom is closed and is inserted in flue I, water pipe is built with cold water, when sulfur dioxide gas is below drum, by the cool water heating in water pipe, produce water vapour, for other production processes after being collected by drum, and himself temperature is down to about 360 DEG C, thus reach that to reduce sulfur dioxide gas temperature inversion be steam, and improve the utilization ratio of sulphur, reduce production cost.
4, flue III extends straight up, and be provided with chimney in end, described chimney bottom is provided with the 5th by-pass valve control, when acid production with sulphur cold conditions is driven, diesel oil need be adopted to heat up to sulfur furnace, and a large amount of useless cigarette that diesel combustion produces can not enter follow-up conversion system, by opening the 5th by-pass valve control, close the first, the 4th by-pass valve control thus useless cigarette is discharged through chimney, thus preventing catalyzer from losing activity.
5, be provided with many group tensimeters and thermometer in the utility model, at the Working Procedure Controlling point of key, can monitor the condition of production, thus ensure that whole production process is in controllable state, ensure quality product, enhance productivity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
Wherein, 1-flue I, 2-flue II, 3-flue III, 4-flue IV, 5-flue V, 6-first by-pass valve control, 7-second by-pass valve control, 8-the 3rd by-pass valve control, 9-the 4th by-pass valve control, 10-drum, 11-water pipe, 12-chimney, 13-the 5th by-pass valve control, 14-flue VI, 15-thermometer, 16-tensimeter.
Embodiment
embodiment 1
A kind of device for stable acid production with sulphur and waste gas acid making system, comprise sulphur-burning sulphuric acid system and waste gas acid making system, sulphur-burning sulphuric acid system comprises incinerator and acid production with sulphur conversion system, is connected between incinerator and acid production with sulphur conversion system by flue I 1; Waste gas acid making system comprises hydrogen sulfide roasting kiln, waste gas relieving haperacidity refining plant and waste gas relieving haperacidity conversion system, waste gas relieving haperacidity refining plant side is provided with the flue II 2 be communicated with waste gas relieving haperacidity conversion system, flue I is provided with a branch flue III 3, the opposite side of waste gas relieving haperacidity refining plant is provided with the flue IV 4 extending to flue II 2 end, the other end that flue IV 4 is provided with a branch flue V 5, flue V 5 is communicated with described flue II 2.
In order to realize the utility model better, flue is also provided with multiple by-pass valve control, flue III 3 is provided with the first by-pass valve control 6 with the junction of flue I 1, flue IV 4 is provided with the second by-pass valve control 7 and the 3rd by-pass valve control 8, the branch flue V 5 that flue IV 4 establishes is located between the second described by-pass valve control 7 and the 3rd by-pass valve control 8, flue V 5 is provided with the 4th by-pass valve control 9, described flue III 3 extends straight up, and be provided with chimney 12 in end, described chimney 12 bottom is provided with the 5th by-pass valve control 13, when acid production with sulphur cold conditions is driven, diesel oil need be adopted to heat up to sulfur furnace, the a large amount of useless cigarette that diesel combustion produces can not enter follow-up conversion system, by opening the 5th by-pass valve control, close first, 4th by-pass valve control thus useless cigarette is discharged through chimney, thus prevent catalyzer from losing activity.
In order to reduce in incinerator the temperature of sulfur dioxide gas out and improve the utilization ratio of heat energy, drum 10 is provided with above flue I 1, drum 10 bottom is provided with many water pipes 11, water pipe 11 upper end and drum 10 inner space, lower end closed is also inserted in flue I 1, after water in water pipe 11 is heated by high temperature sulfur dioxide gas, for other production processes after drum is collected, the temperature of sulfur dioxide gas also reduces simultaneously, and high-temperature gas can be prevented the destruction of subsequent production device.
Flue I and flue II can establish two blower fans respectively, for the gas in pipeline provides propulsion source, in addition, be provided with the indicating unit of temperature and pressure at multiple critical process reference mark place, wherein flue IV is provided with thermometer 15 and tensimeter 16 near waste gas relieving haperacidity refining plant side; Flue II 2 between waste gas relieving haperacidity refining plant and waste gas relieving haperacidity conversion system is provided with thermometer 15 and tensimeter 16; Flue I is provided with tensimeter 16, according to each thermometer and manometric instruction, and the switch size of valve in production control process, thus make production process be in the strict state controlled, thus ensure carrying out smoothly continuously of production.
After flue II 2 is communicated with the end of flue IV 4, by flue VI 14, intrasystem gas is passed into waste gas relieving haperacidity conversion system, thus reach the object preparing sulfuric acid, the utility model has the stability simultaneously improving two kinds of acid making system utilization rate of raw materials and production process, thus reaches the advantage reducing production cost.
Claims (9)
1. the device for stable acid production with sulphur and waste gas acid making system, comprise sulphur-burning sulphuric acid system and waste gas acid making system, described sulphur-burning sulphuric acid system comprises incinerator and acid production with sulphur conversion system, by flue I(1 between described incinerator and acid production with sulphur conversion system) connect, described waste gas acid making system comprises hydrogen sulfide roasting kiln, waste gas relieving haperacidity refining plant and waste gas relieving haperacidity conversion system, described waste gas relieving haperacidity refining plant side is provided with the flue II(2 be communicated with waste gas relieving haperacidity conversion system), it is characterized in that: described flue I(1) be provided with a branch flue III(3), the opposite side of described waste gas relieving haperacidity refining plant is provided with the flue IV(4 extending to flue II end), flue IV(4) be provided with a branch flue V(5), flue V(5) the other end and described flue III(3) be communicated with.
2. the device of stable acid production with sulphur according to claim 1 and waste gas acid making system, is characterized in that: described flue III(3) with flue I(1) junction be provided with the first by-pass valve control (6).
3. the device of stable acid production with sulphur according to claim 2 and waste gas acid making system, it is characterized in that: described flue IV(4) be provided with the second by-pass valve control (7) and the 3rd by-pass valve control (8), described flue V(5) be located between described the second by-pass valve control (7) and the 3rd by-pass valve control (8).
4. the device of stable acid production with sulphur according to claim 3 and waste gas acid making system, is characterized in that: described flue V(5) be provided with the 4th by-pass valve control (9).
5. the stable acid production with sulphur according to any one of Claims 1 to 4 and the device of waste gas acid making system, it is characterized in that: described flue I(1) top be provided with drum (10), described drum (10) bottom is provided with many water pipes (11), described water pipe (11) upper end and drum (10) inner space, lower end closed also inserts flue I(1) in.
6. the device of stable acid production with sulphur according to claim 5 and waste gas acid making system, it is characterized in that: described flue III(3) extend straight up, and chimney (12) is provided with in end, described chimney (12) below is provided with the 5th by-pass valve control (13).
7. the device of stable acid production with sulphur according to claim 6 and waste gas acid making system, is characterized in that: described flue IV(4) be provided with thermometer (15) and tensimeter (16) near waste gas relieving haperacidity refining plant side; Flue II(2 between described waste gas relieving haperacidity refining plant and waste gas relieving haperacidity conversion system) be provided with thermometer (15) and tensimeter (16).
8. the device of stable acid production with sulphur according to claim 1 and waste gas acid making system, it is characterized in that: described flue II(2) with described flue IV(4) end be communicated with after, by flue VI(14) be communicated with waste gas relieving haperacidity conversion system.
9. the device of stable acid production with sulphur according to claim 1 and waste gas acid making system, is characterized in that: described flue I is provided with tensimeter (16).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420686363.0U CN204281314U (en) | 2014-11-17 | 2014-11-17 | A kind of device for stable acid production with sulphur and waste gas acid making system |
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| CN201420686363.0U CN204281314U (en) | 2014-11-17 | 2014-11-17 | A kind of device for stable acid production with sulphur and waste gas acid making system |
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| CN204281314U true CN204281314U (en) | 2015-04-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055485A (en) * | 2016-12-30 | 2017-08-18 | 湖北新洋***业股份有限公司 | Energy-saving temperature-rising driving method for sulfur-to-acid converter |
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2014
- 2014-11-17 CN CN201420686363.0U patent/CN204281314U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055485A (en) * | 2016-12-30 | 2017-08-18 | 湖北新洋***业股份有限公司 | Energy-saving temperature-rising driving method for sulfur-to-acid converter |
| CN107055485B (en) * | 2016-12-30 | 2019-07-19 | 湖北新洋***业股份有限公司 | Energy-saving temperature-rising driving method for sulfur-to-acid converter |
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