CN209685331U - A kind of desulfurized gypsum multi-stage oxidizing device device of high efficiency, low cost - Google Patents

Abstract

The utility model relates to Desulphurization disposal technology fields, and disclose a kind of desulfurized gypsum multi-stage oxidizing device device of high efficiency, low cost, including desulfurization ash cellar, the inside of the desulfurization ash cellar is fixedly installed with stair oxidation device, and the bottom of the stair oxidation device is communicated with the secondary oxidation device inside desulfurization ash cellar.The desulfurized gypsum multi-stage oxidizing device device of the high efficiency, low cost, material is set by the feeding cylinder of setting, the exhaust gas source in waste gas ingress pipe is driven by the flabellum of setting, it is aoxidized by the multi-stage oxidizing device of setting, pass through the conduction pipe of setting after oxidation, the heat that shaft cooler takes away rapidly its surface is set, to be cooled down to it rapidly, final product is conveyed by the screw conveyor of setting, it cannot function as the bottleneck of resource reutilization to solve Desulphurization, realize its environmental protection, it invests small, treating capacity is big, production cost is low and the advantages of using a variety of exhaust gas heat sources.

Description

A kind of desulfurized gypsum multi-stage oxidizing device device of high efficiency, low cost

Technical field

The utility model relates to Desulphurization disposal technology field, the desulfurized gypsum multistage oxygen of specially a kind of high efficiency, low cost Change device device.

Background technique

Traditional Wet Flue Gas Desulfurization Technique makes state because of the presence for the drawbacks such as investment is high, takes up a large area and consumes more than water resource The inside and outside enterprise for being much related to flue gas desulfurization has selected dry method, and semi-dry desulfurizing process, the technology investment is less, desulfurization effect Well, the advantages that no sewage discharge, is recognized extensively, therefore many steel industries, sintering industry and power industry carry out at home Construction and application, there are about 1000 many enterprises in operation dry method semidry process desulfurizer for country's rough estimates at present.

But the desulfurizing byproduct for using dry method and semi-dry desulfurizing process to generate is arranged in a manner of dry dedusting ash Out, abbreviation Desulphurization cannot be directly applied since Desulphurization internal component is more complicated, especially contained by Desulphurization Distinctive harmful components CaSO3, cannot function as resource come using, be only used for backfill or stack；Landfill or stacking do not only take up A large amount of soils, and environment and water resource are caused seriously to pollute, because CaSO3 has unstability, the meeting in natural environment Releasing over time has therefore how pollution and destructive SO2 are rationally disposed and be answered to atmosphere, soil, underground water It is enterprise and country or even the key subjects that the whole world faces with Desulphurization.

The disposition and application of Desulphurization also in continuous research and development and are explored always by many colleges and universities and scientific research institution, but basic On be to be carried out in laboratory, have the disposition of reasonable technology also in that cost of disposal problem cannot be promoted to enterprise, it is difficult to Realize scale and industrialization production, a other enterprise has the research and development technology of this respect also in that plant investment is excessive and disposition The reasons such as at high cost are difficult to realize achievements conversion and carry out large-scale production, so propose that a kind of desulfurized gypsum of high efficiency, low cost is more Grade oxidizer unit solves the above problems.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of desulfurized gypsum multi-stage oxidizing device of high efficiency, low cost Device has the advantages that high efficiency production, solves and is difficult to realize scale and industrialization production, and there is this respect in a other enterprise Research and development technology also in that plant investment is excessive and the reasons such as cost of disposal height are difficult to realize achievements conversion and carry out scale metaplasia The problem of production.

(2) technical solution

For the purpose for realizing above-mentioned high efficiency production, the utility model is provided the following technical solutions: a kind of high efficiency, low cost Desulfurized gypsum multi-stage oxidizing device device, including desulfurization ash cellar, the inside of the desulfurization ash cellar is fixedly installed with stair oxidation device, The bottom of the stair oxidation device is communicated with the secondary oxidation device inside desulfurization ash cellar, and the bottom of the secondary oxidation device connects It is connected with tertiary oxidation device, feeding cylinder is fixedly installed at the top of the desulfurization ash cellar, is plugged with and prolongs on the left of the desulfurization ash cellar It extends to the air feed inside desulfurization ash cellar and through stair oxidation device, secondary oxidation device and tertiary oxidation device to be responsible for, the air feed master The left end of pipe is communicated with air inlet cylinder, and waste gas ingress pipe is communicated at the top of the air inlet cylinder, and the left side of the waste gas ingress pipe is solid Dingan County is equipped with intake valve, and the inside of the air duct is fixedly installed with flabellum, and the bottom of the desulfurization ash cellar is communicated with discharge chamber, institute It states and is communicated with cooling chamber on the right side of discharge chamber, the inside of the cooling chamber is fixedly installed with shaft cooler, the vertical cooling It is plugged with conduction pipe on the left of device, is communicated at the top of the shaft cooler and sets liquid lid, be communicated on the right side of the cooling chamber Delivery line, the inside of the delivery line are fixedly installed with screw conveyor, and the outside of the air feed supervisor, which is fixedly installed with, to be located at The first air outlet valve inside stair oxidation device, the outside of air feed supervisor are fixedly installed with the inside stair oxidation device The outside of two air outlet valves, the air feed supervisor is fixedly installed with the third air outlet valve inside tertiary oxidation device.

Preferably, the air feed supervisor is in bending, and bending angle is 90 degree.

Preferably, the quantity of the conduction pipe is three, and three conduction pipes are isodistantly spaced arrangement.

Preferably, the diameter of air feed supervisor is adapted with the diameter of air inlet cylinder, and waste gas ingress pipe with enter the wind cylinder it Between angle be 90 degree.

Preferably, the center line of the stair oxidation device, secondary oxidation device and tertiary oxidation device is and in desulfurization ash cellar Heart line is overlapped, and the segment centerline that the air feed supervisor is located in desulfurization ash cellar is overlapped with the center line of desulfurization ash cellar.

Preferably, the inside of the shaft cooler is filled with coolant liquid, and coolant liquid can be ethylene glycol solution.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of desulfurized gypsum multi-stage oxidizing device dress of high efficiency, low cost Set, have it is following the utility model has the advantages that

The desulfurized gypsum multi-stage oxidizing device device of the high efficiency, low cost, sets material by the feeding cylinder of setting, passes through setting Flabellum drives the exhaust gas source in waste gas ingress pipe, is aoxidized by the multi-stage oxidizing device of setting to it, is passed through after oxidation The conduction pipe of setting is arranged in shaft cooler and takes away the heat on its surface rapidly, to cool down to it rapidly, by setting The screw conveyor conveying final product set, CaSO3 is highly unstable molecular structure, especially after the heating, activity It competes, when reaching certain temperature, the transfer of atom easily occurs, be more than that the transfer phenomena weakens either certain extreme value later It terminates, will lead to and irreversible decomposition occurs inside Desulphurization, lead to SO2 gasification escape, lead to atmosphere pollution after outlet, to environment Significant damage is brought, characteristic more than utilization, we control certain temperature, improve oxygen content in appropriate scope, CaSO3 can obtain an oxygen atom, control it and stablize under this molecular state, so that the stable CaSO4 of performance is obtained, Complete Desulphurization arrive desulfurized gypsum oxidation process, by the CaSO3 in Desulphurization within the scope of specific temperature and specifically Under oxygen concentration environment and in specific time range, oxidation process of the Lai Shixian from CaSO3 to CaSO4, to solve de- Sulphur ash cannot function as the bottleneck of resource reutilization, realize that its environmental protection, investment is small, treating capacity is big, production cost is low and using more The advantages of kind exhaust gas heat source.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the enlarged drawing in the utility model Fig. 1 at A.

In figure: 1 desulfurization ash cellar, 2 stair oxidation devices, 3 secondary oxidation devices, 4 tertiary oxidation devices, 5 feeding cylinders, 6 air feeds supervisor, 7 air inlet cylinders, 8 waste gas ingress pipes, 9 intake valves, 10 flabellums, 11 discharge chambers, 12 cooling chambers, 13 shaft coolers, 14 conduction pipes, 15 Set liquid lid, 16 delivery lines, 17 screw conveyors, 18 first air outlet valves, 19 second air outlet valves, 20 third air outlet valves.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The desulfurized gypsum multi-stage oxidizing device device of a kind of high efficiency, low cost referring to FIG. 1-2, including desulfurization ash cellar 1, it is described The inside of desulfurization ash cellar 1 is fixedly installed with stair oxidation device 2, and the bottom of stair oxidation device 2 is communicated with inside desulfurization ash cellar 1 Secondary oxidation device 3, the bottom of secondary oxidation device 3 is communicated with tertiary oxidation device 4, the top of desulfurization ash cellar 1 be fixedly installed with into Barrel 5, the left side of desulfurization ash cellar 1, which is plugged with, extends to 1 inside of desulfurization ash cellar and through stair oxidation device 2,3 and of secondary oxidation device The air feed supervisor 6 of tertiary oxidation device 4, air feed supervisor 6 are in bending, and bending angle is 90 degree, stair oxidation device 2, second level oxygen The center line for changing device 3 and tertiary oxidation device 4 is overlapped with the center line of desulfurization ash cellar 1, and air feed supervisor 6 is located in desulfurization ash cellar 1 Segment centerline be overlapped with the center line of desulfurization ash cellar 1, air feed supervisor 6 left end be communicated with air inlet cylinder 7, enter the wind cylinder 7 top Portion is communicated with waste gas ingress pipe 8, and the diameter of air feed supervisor 6 is adapted with the diameter of air inlet cylinder 7, and pipe waste gas ingress pipe 8 and into Angle between air duct 7 is 90 degree, and the left side of waste gas ingress pipe 8 is fixedly installed with intake valve 9, the fixed peace in the inside of air duct 7 Equipped with flabellum 10, the bottom of desulfurization ash cellar 1 is communicated with discharge chamber 11, and the right side of discharge chamber 11 is communicated with cooling chamber 12, cooling chamber 12 inside is fixedly installed with shaft cooler 13, and the inside of shaft cooler 13 is filled with coolant liquid, and coolant liquid can be second two Alcoholic solution, the left side of shaft cooler 13 are plugged with conduction pipe 14, and the quantity of conduction pipe 14 is three, and three conduction pipes 14 are in etc. Distance arrangement, the top of shaft cooler 13, which is communicated with, sets liquid lid 15, and the right side of cooling chamber 12 is communicated with delivery line 16, delivery line 16 inside is fixedly installed with screw conveyor 17, and the outside of air feed supervisor 6 is fixedly installed with inside stair oxidation device 2 The outside of first air outlet valve 18, air feed supervisor 6 is fixedly installed with the second air outlet valve 19 inside stair oxidation device 2, air feed The outside of supervisor 6 is fixedly installed with the third air outlet valve 20 inside tertiary oxidation device 4, sets material by the feeding cylinder 5 of setting, The exhaust gas source in waste gas ingress pipe 8 is driven by the flabellum 10 of setting, it is aoxidized by the multi-stage oxidizing device of setting, By the conduction pipe 14 of setting after oxidation, the heat that shaft cooler 13 takes away rapidly its surface is set, thus rapidly It is cooled down, final product is conveyed by the screw conveyor 17 of setting, CaSO3 is highly unstable molecular structure, Especially after the heating, activity is competed, when reaching certain temperature, easily occur atom transfer, be more than certain extreme value with The transfer phenomena, which weakens, afterwards either terminates, and will lead to and irreversible decomposition occurs inside Desulphurization, leads to SO2 gasification escape, outside Lead to atmosphere pollution after row, significant damage is brought to environment, characteristic more than utilization, we control certain temperature, improve oxygen In appropriate scope, CaSO3 can obtain an oxygen atom to content, control it and stablize under this molecular state, from And the stable CaSO4 of performance is obtained, the oxidation process of completion Desulphurization to desulfurized gypsum, by the CaSO3 in Desulphurization in spy Within the scope of fixed temperature and under specific oxygen concentration environment and in specific time range, Lai Shixian is from CaSO3 to CaSO4 Oxidation process, so that solving Desulphurization cannot function as the bottleneck of resource reutilization, realize that it is environmentally friendly, invest small, treating capacity greatly, Production cost is low and the advantages of using a variety of exhaust gas heat sources.

In conclusion the desulfurized gypsum multi-stage oxidizing device device of the high efficiency, low cost, sets material by the feeding cylinder 5 of setting, The exhaust gas source in waste gas ingress pipe 8 is driven by the flabellum 10 of setting, it is aoxidized by the multi-stage oxidizing device of setting, oxygen By the conduction pipe 14 of setting after change, the heat that shaft cooler 13 takes away rapidly its surface is set, thus right rapidly It is cooled down, and conveys final product by the screw conveyor 17 of setting, CaSO3 is highly unstable molecular structure, special It is not that after the heating, activity is competed, when reaching certain temperature, the transfer of atom easily occurs, more than after certain extreme value The transfer phenomena, which weakens, either to be terminated, and will lead to and irreversible decomposition occurs inside Desulphurization, leads to SO2 gasification escape, outlet After lead to atmosphere pollution, significant damage is brought to environment, characteristic more than utilization, we control certain temperature, improve oxygen and contain In appropriate scope, CaSO3 can obtain an oxygen atom to amount, control it and stablize under this molecular state, thus Obtain the stable CaSO4 of performance, the oxidation process of completion Desulphurization to desulfurized gypsum, by the CaSO3 in Desulphurization specific Within the temperature range of and specific oxygen concentration environment under and specific time range in, oxygen of the Lai Shixian from CaSO3 to CaSO4 Change process realizes that its environmental protection, investment are small, treating capacity is big, raw so that solving Desulphurization cannot function as the bottleneck of resource reutilization It produces at low cost and the advantages of using a variety of exhaust gas heat sources.

It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device. In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element Process, method, article or equipment in there is also other identical elements.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of desulfurized gypsum multi-stage oxidizing device device of high efficiency, low cost, including desulfurization ash cellar (1), it is characterised in that: described The inside of desulfurization ash cellar (1) is fixedly installed with stair oxidation device (2), and the bottom of the stair oxidation device (2), which is communicated with to be located at, to be taken off The internal secondary oxidation device (3) of sulphur ash cellar (1), the bottom of the secondary oxidation device (3) is communicated with tertiary oxidation device (4), described It is fixedly installed at the top of desulfurization ash cellar (1) feeding cylinder (5), is plugged on the left of the desulfurization ash cellar (1) and extends to Desulphurization The internal and air feed through stair oxidation device (2), secondary oxidation device (3) and tertiary oxidation device (4) in storehouse (1) is responsible for (6), the confession The left end of wind supervisor (6) is communicated with air inlet cylinder (7), is communicated with waste gas ingress pipe (8) at the top of the air inlet cylinder (7), described useless It is fixedly installed on the left of gas ingress pipe (8) intake valve (9), the inside of the air duct (7) is fixedly installed with flabellum (10), described The bottom of desulfurization ash cellar (1) is communicated with discharge chamber (11), is communicated with cooling chamber (12) on the right side of the discharge chamber (11), described cold But the inside of room (12) is fixedly installed with shaft cooler (13), is plugged with conduction pipe on the left of the shaft cooler (13) (14), it is communicated with and sets liquid lid (15) at the top of the shaft cooler (13), be communicated with export on the right side of the cooling chamber (12) It manages (16), the inside of the delivery line (16) is fixedly installed with screw conveyor (17), and the external of the air feed supervisor (6) is fixed It is equipped with and is located at stair oxidation device (2) internal first air outlet valve (18), the outside of the air feed supervisor (6) is fixedly installed with position It is fixedly installed in the outside of internal the second air outlet valve (19) of stair oxidation device (2), the air feed supervisor (6) positioned at three-level oxygen Change device (4) internal third air outlet valve (20).

2. a kind of desulfurized gypsum multi-stage oxidizing device device of high efficiency, low cost according to claim 1, it is characterised in that: institute Air feed supervisor (6) is stated in bending, bending angle is 90 degree.

3. a kind of desulfurized gypsum multi-stage oxidizing device device of high efficiency, low cost according to claim 1, it is characterised in that: institute The quantity for stating conduction pipe (14) is three, and three conduction pipes (14) are isodistantly spaced arrangement.

4. a kind of desulfurized gypsum multi-stage oxidizing device device of high efficiency, low cost according to claim 1, it is characterised in that: institute The diameter for stating air feed supervisor (6) is adapted with the diameter of air inlet cylinder (7), and the folder between waste gas ingress pipe (8) and air inlet cylinder (7) Angle is 90 degree.

5. a kind of desulfurized gypsum multi-stage oxidizing device device of high efficiency, low cost according to claim 1, it is characterised in that: institute State center line weight of the center line of stair oxidation device (2), secondary oxidation device (3) and tertiary oxidation device (4) with desulfurization ash cellar (1) It closes, the air feed supervisor (6) is located at the segment centerline in desulfurization ash cellar (1) and is overlapped with the center line of desulfurization ash cellar (1).

6. a kind of desulfurized gypsum multi-stage oxidizing device device of high efficiency, low cost according to claim 1, it is characterised in that: institute The inside of shaft cooler (13) is stated filled with coolant liquid, coolant liquid can be ethylene glycol solution.