CN211650300U - Device for acid making boiler section - Google Patents
Device for acid making boiler section Download PDFInfo
- Publication number
- CN211650300U CN211650300U CN201922428439.5U CN201922428439U CN211650300U CN 211650300 U CN211650300 U CN 211650300U CN 201922428439 U CN201922428439 U CN 201922428439U CN 211650300 U CN211650300 U CN 211650300U
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- CN
- China
- Prior art keywords
- flue gas
- pipeline
- gas pipeline
- expansion joint
- boiler
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002253 acid Substances 0.000 title claims description 20
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 131
- 239000003546 flue gas Substances 0.000 claims abstract description 131
- 230000007704 transition Effects 0.000 claims description 24
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 10
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 8
- 239000010962 carbon steel Substances 0.000 claims description 8
- 230000008646 thermal stress Effects 0.000 abstract description 7
- 230000001174 ascending effect Effects 0.000 abstract description 5
- 238000005201 scrubbing Methods 0.000 abstract description 4
- 238000012824 chemical production Methods 0.000 abstract description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000011593 sulfur Substances 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 5
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Incineration Of Waste (AREA)
Abstract
The utility model relates to a chemical production technical field is a device for making sour boiler workshop section, which comprises a boiler, first flue gas pipeline, the second flue gas pipeline, the third flue gas pipeline, the fourth flue gas pipeline, the expansion joint, flue gas changeover portion pipeline and dynamic wave scrubbing tower, the fourth flue gas pipeline other end and flue gas changeover portion pipeline one end are passed through the expansion joint and are connected, the flue gas changeover portion pipeline other end and dynamic wave scrubbing tower are connected, the second flue gas pipeline, fourth flue gas pipeline and flue gas changeover portion pipeline all are vertical setting, and the fourth flue gas pipeline is located the top of flue gas changeover portion pipeline, the third flue gas pipeline is the level setting, third flue gas pipeline below is equipped with the elastic support frame that is used for supporting third flue gas pipeline. The utility model has the advantages of reasonable and compact structure, convenient to use, it passes through the setting of expansion joint and elastic support frame, and then can compensate the ascending thermal stress of vertical side on the flue gas pipeline when the boiler starts and stops, has guaranteed whole pipe connection's leakproofness.
Description
Technical Field
The utility model relates to a chemical production technical field is a device for making sour boiler workshop section.
Background
The existing processes for preparing sulfuric acid mainly comprise preparing acid by sulfur, preparing acid by hydrogen sulfide, preparing acid by sulfur and hydrogen sulfide, preparing acid by pyrite, preparing sulfuric acid by smelting flue gas, preparing sulfuric acid by gypsum and phosphogypsum, and the like. Especially when the acid is prepared by the sulfur and the hydrogen sulfide, the hydrogen sulfide gas in the high-concentration waste gas can be utilized, the waste gas emission is reduced, the content of sulfur-containing compounds in the air is reduced, and the unit consumption of the sulfur is reduced, so that the acid is prepared by the sulfur and the hydrogen sulfide. During normal production, high-temperature flue gas coming out of the rear end of the boiler is in reverse contact with spray water sprayed by two stages of spray heads in a reverse spray pipe of the dynamic wave washing tower, so that the temperature of the high-temperature flue gas is reduced, and impurities in the flue gas are removed. Because the mode of reverse contact of high-temperature flue gas and spray water is adopted, the flue gas transition section pipeline and the part of the flue gas pipeline connected with the flue gas transition section pipeline are vertically arranged. However, when the boiler is parked after being parked for a long time or when the boiler is parked after being parked for a long time, the flue gas pipeline has large temperature difference, and particularly, the flue gas pipeline at the vertical section has large thermal stress, so that gas leakage is easy to occur at the joint of the flue gas transition section pipeline and the flue gas pipeline, the negative pressure of the combustion furnace is reduced, the converted gas is unbalanced, the pipeline is turbulent, the equipment is damaged, and normal production is influenced.
Disclosure of Invention
The utility model provides a device for making sour boiler workshop section has overcome above-mentioned prior art not enough, and it can effectively solve the unable problem of compensating of the ascending thermal stress of current boiler back end flue gas pipeline vertical side.
The technical scheme of the utility model is realized through following measure: a device for an acid making boiler section comprises a boiler, a first flue gas pipeline, a second flue gas pipeline, a third flue gas pipeline, a fourth flue gas pipeline, an expansion joint, a flue gas transition section pipeline and a dynamic wave washing tower, wherein one end of the first flue gas pipeline is connected with the boiler, the other end of the first flue gas pipeline is connected with one end of the second flue gas pipeline, the other end of the second flue gas pipeline is connected with one end of the third flue gas pipeline, the other end of the third flue gas pipeline is connected with one end of the fourth flue gas pipeline, the other end of the fourth flue gas pipeline is connected with one end of the flue gas transition section pipeline through the expansion joint, the other end of the flue gas transition section pipeline is connected with the dynamic wave washing tower, the second flue gas pipeline, the fourth flue gas pipeline and the flue gas transition section pipeline, and the fourth flue gas pipeline is positioned above the flue gas transition section pipeline, the third flue gas pipeline is horizontally arranged, and an elastic support frame for supporting the third flue gas pipeline is arranged below the third flue gas pipeline.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the elastic support frame can comprise a T-shaped base, a fixing sleeve, a compression spring, a pipeline bracket and a positioning pin, wherein the fixing sleeve is vertically arranged, the lower end of the fixing sleeve is fixedly arranged on the T-shaped base, the compression spring is arranged in the fixing sleeve, the pipeline bracket comprises a support shaft, a support plate, a connecting plate and an arc-shaped pipeline bracket plate, the support shaft is vertically arranged, the upper end of the support shaft is fixedly connected with the support plate, a limit ring which is coaxially arranged with the support shaft is fixedly arranged on the support shaft, the lower end of the support shaft is inserted in the compression spring, the lower surface of the limit ring is contacted with the compression spring, the lower end of the support shaft is a certain distance away from the bottom end of the fixing sleeve, a first positioning pin hole is arranged on the fixing sleeve, a second positioning pin hole is arranged on the support shaft corresponding to the position, the third flue gas pipeline is positioned on the arc-shaped pipeline supporting plate.
The first flue gas pipeline can be communicated with an emptying pipeline which is vertically arranged, the emptying pipeline is provided with a manual valve or/and an electric valve, and the flue gas transition section pipeline is provided with a control valve.
The control valve may be a gate valve.
The flue gas transition section pipeline can comprise a carbon steel pipeline body, and a lead layer is arranged on the inner side of the carbon steel pipeline body.
The expansion joint may be a unitary axial expansion joint.
And the second flue gas pipeline can be provided with a holding clamp.
The utility model has the advantages of reasonable and compact structure, convenient to use, it passes through the setting of expansion joint and elastic support frame, and then can compensate the ascending thermal stress of vertical side on the flue gas pipeline when the boiler starts and stops, has guaranteed whole pipe connection's leakproofness.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Fig. 2 is a schematic structural view of the elastic support frame shown in fig. 1.
The codes in the figures are respectively: 1 is the boiler, 2 is first flue gas pipeline, 3 is second flue gas pipeline, 4 is third flue gas pipeline, 5 is fourth flue gas pipeline, 6 is the expansion joint, 7 is flue gas changeover portion pipeline, 8 is the power wave scrubbing tower, 9 is T type base, 10 is the fixed sleeve, 11 is compression spring, 12 is the locating pin, 13 is the back shaft, 14 is the backup pad, 15 is the connecting plate, 16 is the arc pipeline layer board, 17 is the spacing ring, 18 is the blow-down pipe, 19 is manual valve, 20 is electric valve, 21 is the control valve, 22 is for embracing the card.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in attached figures 1 and 2, the device for the acid making boiler working section comprises a boiler 1, a first flue gas pipeline 2, a second flue gas pipeline 3, a third flue gas pipeline 4, a fourth flue gas pipeline 5, an expansion joint 6, a flue gas transition section pipeline 7 and a dynamic wave washing tower 8, wherein one end of the first flue gas pipeline 2 is connected with the boiler 1, the other end of the first flue gas pipeline 2 is connected with one end of the second flue gas pipeline 3, the other end of the second flue gas pipeline 3 is connected with one end of the third flue gas pipeline 4, the other end of the third flue gas pipeline 4 is connected with one end of the fourth flue gas pipeline 5, the other end of the fourth flue gas pipeline 5 is connected with one end of the flue gas transition section pipeline 7 through the expansion joint 6, the other end of the flue gas transition section pipeline 7 is connected with the dynamic wave washing tower 8, the second flue gas pipeline 3, the fourth flue gas pipeline 5 and the flue gas transition section pipeline 7 are vertically arranged, and the fourth flue gas, the third flue gas pipeline 4 is arranged horizontally, and an elastic support frame for supporting the third flue gas pipeline 4 is arranged below the third flue gas pipeline 4. According to the demand, boiler 1, expansion joint 6 and power ripples scrubbing tower 8 are current known technology, the utility model discloses an expansion joint 6 and elastic support frame's setting, and then can compensate on second flue gas pipeline 3, third flue gas pipeline 4 and the fourth flue gas pipeline 5 vertical ascending thermal stress of side when boiler 1 opens and shuts down, guaranteed whole pipeline connection's leakproofness, prevent to lead to the pipeline torrent because of pipeline gas leakage, and then damage the condition emergence that the pipeline influences normal production.
The device for the section of the acid making boiler 1 can be further optimized or/and improved according to actual needs:
as shown in the attached figure 2, the elastic supporting frame comprises a T-shaped base 9, a fixing sleeve 10, a compression spring 11, a pipeline bracket and a positioning pin 12, wherein the fixing sleeve 10 is vertically arranged, the lower end of the fixing sleeve 10 is fixedly arranged on the T-shaped base 9, the compression spring 11 is arranged in the fixing sleeve 10, the pipeline bracket comprises a supporting shaft 13, a supporting plate 14, a connecting plate 15 and an arc-shaped pipeline supporting plate 16, the supporting shaft 13 is vertically arranged, the upper end of the supporting shaft 13 is fixedly connected with the supporting plate 14, a limiting ring 17 coaxially arranged with the supporting shaft 13 is fixedly arranged on the supporting shaft 13, the lower end of the supporting shaft 13 is inserted in the compression spring 11, the lower surface of the limiting ring 17 is contacted with the compression spring 11, the lower end of the supporting shaft 13 is at a certain distance from the bottom end of the fixing sleeve 10, a first positioning pin hole is arranged, the positioning pins 12 are inserted into the first positioning pin holes and the second positioning pin holes, the arc-shaped pipeline supporting plate 16 is fixedly installed on the supporting plate 14 through the connecting plate 15, and the third flue gas pipeline 4 is located on the arc-shaped pipeline supporting plate 16. Elastic support frame simple structure, simple to operate, during the use, pull down earlier locating pin 12 before the opening vehicle, after parking at dress locating pin 12, because third flue gas pipeline 4 places on arc pipeline layer board 16, third flue gas pipeline 4 receives the restraint less, restricted relaxation, and then can effectively compensate through elastic support frame the ascending thermal stress of vertical side on second flue gas pipeline 3, third flue gas pipeline 4 and the fourth flue gas pipeline 5.
As shown in the attached figure 1, the first flue gas pipeline 2 is communicated with an emptying pipeline 18 which is vertically arranged, the emptying pipeline 18 is provided with a manual valve 19 or/and an electric valve 20, and the flue gas transition section pipeline 7 is provided with a control valve 21. According to the needs, the manual valve 19, the electric valve 20 and the control valve 21 are all the prior known technologies, for example, the manual valve 19 can be a manual stop valve, the electric valve 20 can be an electromagnetic valve, in this embodiment, the manual valve 19 and the electric valve 20 are arranged on the emptying pipe 18, the manual valve 19 is in an open state under a normal state, the electric valve 20 is in a close state, when the electric valve 20 is closed and fails, the emptying pipe 18 can be closed through the manual valve 19, because the diesel oil is combusted in the device of the working section of the existing acid making boiler 1 to heat up the temperature, the diesel oil smoke enters the conversion working procedure to easily cause catalyst poisoning, in addition, when an emergency stop occurs, the high-temperature smoke at the rear section of the boiler 1 enters the power wave washing tower 8, so that the glass steel pipeline in the power wave washing tower 8 is deformed to further damage the power wave washing tower 8, and the utility, Manual valve 19, electric valve 20 and control valve 21 set up, and then when driving and rising the temperature to boiler 1, open electric valve 20, close control valve 21, can prevent that the produced a large amount of exhaust fumes of diesel combustion from getting into the conversion workshop section, avoid catalyst poisoning, in addition when the purge pump trouble, can close control valve 21 fast to open electric valve 20, prevent that high temperature flue gas from damaging the pipeline and the equipment of glass steel material.
As shown in fig. 1, the control valve 21 is a gate valve. Thereby facilitating rapid control of the opening and closing of the valve 21.
As shown in the attached figure 1, the flue gas transition section pipeline 7 comprises a carbon steel pipeline body, and a lead layer is arranged on the inner side of the carbon steel pipeline body.
As shown in fig. 1, the expansion joint 6 is a unitary axial type expansion joint. Whereby thermal stresses in the vertical direction of the fourth flue gas duct 5 can be eliminated.
As shown in fig. 1, the second flue gas duct 3 is provided with a clamp 22. During the use, will embrace card 22 and a support frame fixed connection through the connecting rod, realize the fixed support effect to second flue gas pipeline 3 from this, offset the gravity of first flue gas pipeline 2 from this.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (10)
1. A device for an acid making boiler section is characterized by comprising a boiler, a first flue gas pipeline, a second flue gas pipeline, a third flue gas pipeline, a fourth flue gas pipeline, an expansion joint, a flue gas transition section pipeline and a dynamic wave washing tower, wherein one end of the first flue gas pipeline is connected with the boiler, the other end of the first flue gas pipeline is connected with one end of the second flue gas pipeline, the other end of the second flue gas pipeline is connected with one end of the third flue gas pipeline, the other end of the third flue gas pipeline is connected with one end of the fourth flue gas pipeline, the other end of the fourth flue gas pipeline is connected with one end of the flue gas transition section pipeline through the expansion joint, the other end of the flue gas transition section pipeline is connected with the dynamic wave washing tower, the second flue gas pipeline, the fourth flue gas pipeline and the flue gas transition section pipeline are vertically arranged, the fourth flue gas pipeline is positioned above the flue gas transition section pipeline, the third, an elastic support frame used for supporting the third flue gas pipeline is arranged below the third flue gas pipeline.
2. The apparatus as claimed in claim 1, wherein the elastic support frame comprises a T-shaped base, a fixing sleeve, a compression spring, a pipe bracket and a positioning pin, the fixing sleeve is vertically arranged, the lower end of the fixing sleeve is fixedly mounted on the T-shaped base, the compression spring is mounted in the fixing sleeve, the pipe bracket comprises a support shaft, a support plate, a connecting plate and an arc-shaped pipe bracket, the support shaft is vertically arranged, the upper end of the support shaft is fixedly connected with the support plate, a limit ring coaxially arranged with the support shaft is fixedly mounted on the support shaft, the lower end of the support shaft is inserted into the compression spring, the lower surface of the limit ring is contacted with the compression spring, the lower end of the support shaft is a certain distance away from the bottom end of the fixing sleeve, the fixing sleeve is provided with a first positioning pin hole, the support shaft corresponding to the first positioning pin hole is provided with a second positioning, the arc pipeline supporting plate is fixedly arranged on the supporting plate through a connecting plate, and the third flue gas pipeline is positioned on the arc pipeline supporting plate.
3. The device for the acid making boiler workshop section according to claim 1 or 2, characterized in that the first flue gas pipeline is communicated with a vertically arranged emptying pipeline, the emptying pipeline is provided with a manual valve or/and an electric valve, and the flue gas transition section pipeline is provided with a control valve.
4. The plant for an acid making boiler section according to claim 3, characterized in that the control valve is a gate valve.
5. The device for acid making boiler workshop section according to claim 1, 2 or 4, characterized in that the flue gas transition section pipeline comprises a carbon steel pipeline body, and a lead layer is arranged on the inner side of the carbon steel pipeline body.
6. The device for the acid making boiler workshop section according to claim 3, characterized in that the flue gas transition section pipeline comprises a carbon steel pipeline body, and a lead layer is arranged on the inner side of the carbon steel pipeline body.
7. The apparatus for acid making boiler section according to claim 1 or 2 or 4 or 6, characterized in that the expansion joint is a unitary axial type expansion joint.
8. The apparatus of claim 3, wherein the expansion joint is a unitary axial expansion joint.
9. The apparatus for acid boiler section as defined in claim 5, wherein the expansion joint is a unitary axial type expansion joint.
10. The apparatus for acid making boiler section according to claim 1, 2, 4, 6, 8 or 9, characterized in that the second flue gas duct is provided with a clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922428439.5U CN211650300U (en) | 2019-12-27 | 2019-12-27 | Device for acid making boiler section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922428439.5U CN211650300U (en) | 2019-12-27 | 2019-12-27 | Device for acid making boiler section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211650300U true CN211650300U (en) | 2020-10-09 |
Family
ID=72700776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922428439.5U Active CN211650300U (en) | 2019-12-27 | 2019-12-27 | Device for acid making boiler section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211650300U (en) |
-
2019
- 2019-12-27 CN CN201922428439.5U patent/CN211650300U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 841000 Xinier Park, Korla economic and Technological Development Zone, Bayingolin Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee after: Korla Zhongtai Textile Technology Co.,Ltd. Address before: 841000 Xinier Park, Korla economic and Technological Development Zone, Bayingolin Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee before: Xinjiang Zhongtai Textile Group Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |