CN204786490U - A separator center section of thick bamboo, separator center section of thick bamboo mounting structure and separator - Google Patents
A separator center section of thick bamboo, separator center section of thick bamboo mounting structure and separator Download PDFInfo
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- CN204786490U CN204786490U CN201520510754.1U CN201520510754U CN204786490U CN 204786490 U CN204786490 U CN 204786490U CN 201520510754 U CN201520510754 U CN 201520510754U CN 204786490 U CN204786490 U CN 204786490U
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- separator
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- thick bamboo
- cylinder
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title abstract 10
- 235000017491 Bambusa tulda Nutrition 0.000 title abstract 10
- 241001330002 Bambuseae Species 0.000 title abstract 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 title abstract 10
- 239000011425 bamboo Substances 0.000 title abstract 10
- 239000003546 flue gas Substances 0.000 claims abstract description 25
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000002093 peripheral effect Effects 0.000 claims abstract description 19
- 230000002787 reinforcement Effects 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000003351 stiffener Substances 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000006477 desulfuration reaction Methods 0.000 abstract description 7
- 230000023556 desulfurization Effects 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000779 smoke Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000002956 ash Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The utility model relates to a power boiler equipment technical field provides a separator center section of thick bamboo, separator center section of thick bamboo mounting structure and separator, a separator center section of thick bamboo (1) is including integrative straight section of thick bamboo section (2) that forms of axial direction and awl section of thick bamboo section (3), an organic whole is formed with that circumference is extended and outwardly directedly hangs in order being used for on the outer peripheral face of straight section of thick bamboo section (2) the hanging of a separator center section of thick bamboo gusset (4). This separator center section of thick bamboo stable in structure, the reliability is high, can thoroughly avoid the risk of slump in service, effectively eliminates the flue gas short circuit to improve flue gas velocity, thus improvement boiler long -term operational reliability of separator equipment and separation efficiency, desulfurization efficiency and reduction SO2 effluent concentration's purpose in realization reduction boiler operation bed temperature, the improvement stove.
Description
Technical field
The utility model relates to boiler of power plant equipment technical field, particularly, relates to a kind of central cylinder of separator for boiler of power plant, a kind of central cylinder of separator mounting structure, and a kind of separator.
Background technology
The boiler in existing power plant adopts high-temperature heat insulation volute cyclone separator usually, on the outer peripheral face of the central tube upper end of separator, circumferential interval is welded with 12 hangers, pinned connection is passed through between each hanger and gripper shoe, thus central tube suspension is fixed on the internal face of cyclone separator, gripper shoe is fixed on the steelframe above central tube, and the weight of weighing of central tube is supported by this steelframe.In addition, in order to ensure the sealing of central tube surrounding, the surrounding of central tube gripper shoe has been sealed by fan-shaped steel plate and has prevented the flue gas in separator from forming short circuit, simultaneously, the upper end circumferencial direction of central tube offers 12 dilatation joints, is radially expanded problem to solve cylindrical shell.
But, certain deficiency is there is in the central tube of such separator in boiler longtime running, namely the flue gas flow rate in central cylinder of separator is on the low side, directly affects separator, and the root run of central cylinder of separator hanger there will be cracking phenomena, there is the risk of central tube slump, thus had a strong impact on boiler plant safety and stability reliability service.Simultaneously, the fan-shaped steel plate that central cylinder of separator top seals is yielding to come off, and then form flue gas short circuit to affect the separative efficiency of separator, boiler operatiopn outer circulation ash quantity is finally caused to reduce, burner hearth bed temperature is higher and control is more difficult, desulfuration in furnace limestone utilization is low and SO2 discharge is higher, brings very large pressure to the production and operation of unit normal power generation.In addition separator import flue gas flow rate direct shadow on the low side the separative efficiency of separator.
Utility model content
The purpose of this utility model is to provide a kind of central cylinder of separator, this central cylinder of separator Stability Analysis of Structures, reliability is high, thoroughly can avoid the risk of slump in running, effectively remove smoke short circuit, and improve flue gas flow rate, thus improve boiler separator equipment longtime running reliability and separative efficiency, realize reducing boiler operatiopn bed temperature, improve the object of desulfuration in furnace efficiency and reduction SO2 concentration of emission.
To achieve these goals, the utility model provides a kind of central cylinder of separator, described central cylinder of separator comprises the direct tube section and conical cylinder section that axial direction is integrally formed, and the outer peripheral face of described direct tube section is formed with circumference and extends and the protruding hanging gusset for the described central cylinder of separator of hanging.
Pass through technique scheme, because central cylinder of separator comprises the direct tube section and conical cylinder section be integrally formed, and the outer peripheral face of direct tube section is formed with hanging gusset, like this, flue gas is when entering conical cylinder section, because the area of passage diminishes, can force and enter the flue gas in separator from air inlet flue and accelerate in the porch of conical cylinder section, improve the flow velocity that flue gas enters central tube, in addition, because hanging gusset circumference extends and is integrally formed with direct tube section, thus the reliability and stability of central tube hanging can be realized, further, the hanging gusset extended due to circumference can be embedded in the refractory masses of shell separator when mounted, thus can realize being tightly connected reliably between central tube and shell separator, like this, this central cylinder of separator Stability Analysis of Structures, reliability is high, thoroughly can avoid the risk of slump in installation and operation, effectively remove smoke short circuit, and improve flue gas flow rate, thus improve boiler separator equipment longtime running reliability and separative efficiency, realize reducing boiler operatiopn bed temperature, improve the object of desulfuration in furnace efficiency and reduction SO2 concentration of emission.
Preferably, described hanging gusset circumference extends and end to end formation annular flange flange.
Further, stiffener is connected with between the upper side of described hanging gusset and/or the outer peripheral face of downside and described direct tube section.
Preferably, the outer peripheral face of described conical cylinder section is formed with the reinforcement flange that circumference extends.
Further, reinforcement is connected with between the upper side of described reinforcement flange and/or the outer peripheral face of downside and described conical cylinder section.
Further, the barrel continuously smooth of described conical cylinder section extends.
In addition, the utility model provides a kind of central cylinder of separator mounting structure, described central cylinder of separator mounting structure comprises shell separator and above-described central cylinder of separator, wherein, described shell separator is circumferentially formed with multiple locating hole, each described locating hole internal fixtion is provided with the support extended towards described central cylinder of separator, the hanging gusset of described central cylinder of separator overlaps on the bracket and is formed with gap between the outer peripheral face of the front end of described support and described central cylinder of separator, and the outward flange of described hanging gusset is embedded in the refractory masses in described shell separator.
Preferably, described shell separator arranged outside has annular channel-section steel, and described support passes the described locating hole on described shell separator and is fixedly connected with described annular channel-section steel.
In addition, the utility model also provides a kind of separator, described separator comprises shell separator and above-described central cylinder of separator, the bottom of described shell separator is formed with air inlet flue, and described shell separator and described central cylinder of separator assemble with above-described central cylinder of separator mounting structure.
Further, the flue inner wall of end that described air inlet flue is connected with described shell separator smoothly extends to form flue gas accelerating sections towards interior.
Other features and advantages of the utility model are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation of the central cylinder of separator that the utility model detailed description of the invention provides, and wherein, the right half part of central tube is in analyses and observe state;
Fig. 2 is the simple and easy schematic diagram of the central cylinder of separator mounting structure that the utility model detailed description of the invention provides;
Fig. 3 is the plan structure schematic diagram of the central cylinder of separator mounting structure that the utility model detailed description of the invention provides;
Fig. 4 is the sectional structure schematic diagram of the separator that the utility model detailed description of the invention provides, and wherein, shows air inlet flue.
Description of reference numerals
1-central cylinder of separator, 2-direct tube section, 3-conical cylinder section, 4-hangs gusset, 5-stiffener, and 6-strengthens flange, 7-reinforcement, 8-locating hole, 9-support, 10-gap, 11-annular channel-section steel, 12-groove floor, 13-shell separator, 14-air inlet flue, 15-flue inner wall face, 16-flue gas accelerating sections.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
As shown in Figure 1, the central cylinder of separator 1 that the utility model provides comprises direct tube section 2 and conical cylinder section 3, wherein, direct tube section 2 and conical cylinder section 3 are integrally formed at axial direction, and the outer peripheral face of direct tube section 2 are formed with circumference extension and the protruding hanging gusset 4 for the described central cylinder of separator of hanging.
Because central cylinder of separator 1 comprises the direct tube section 2 and conical cylinder section 3 be integrally formed, and the outer peripheral face of direct tube section 2 is formed with hanging gusset 4, like this, flue gas is when entering conical cylinder section 3, because the area of passage diminishes, the flue gas entered in separator from air inlet flue can be forced to accelerate in the porch of conical cylinder section 3, improve the flow velocity that flue gas enters central tube, in addition, because hanging gusset 4 circumference extends and is integrally formed with direct tube section 2, thus the reliability and stability of central tube hanging can be realized, further, the hanging gusset 4 extended due to circumference can be embedded in the refractory masses of shell separator when mounted, thus can realize being tightly connected reliably between central tube and shell separator, further, due to when hanging, hanging gusset 4 contacts on the support on shell separator, thus central tube can in radial direction free wxpansion, like this, this central cylinder of separator Stability Analysis of Structures, reliability is high, thoroughly can avoid the risk of slump in installation and operation, effectively remove smoke short circuit, and improve flue gas flow rate, thus improve boiler separator equipment longtime running reliability and separative efficiency, realize reducing boiler operatiopn bed temperature, improve the object of desulfuration in furnace efficiency and reduction SO2 concentration of emission.
Certainly, in central cylinder of separator of the present utility model, hanging gusset 4 can be the flange sections that multiple circumference extends, and like this, the plurality of flange sections can cooperatively interact with the support on shell separator, realizes the erecting by overhang of central tube.
But preferably, one-body molded for the ease of central cylinder of separator, and the reliability improving hanging, as shown in figs. 1 and 3, described hanging gusset 4 circumference extends and end to end formation annular flange flange.Like this, central tube is when hanging, the lower surface of annular flange flange circumferentially contacts with the upper surface of the support 9 on shell separator whole, thus realize reliable and stable hanging, simultaneously, annular flange flange can all migrate in refractory masses in a circumferential direction, and the positiver sealing realized between central tube and shell separator connects, and thoroughly avoids flue gas to occur short circuit.
Further, as shown in Figure 1, in order to improve the intensity of hanging gusset 4, preferably, between the upper side of described hanging gusset 4 and/or the outer peripheral face of downside and described direct tube section 2, stiffener 5 is connected with.Stiffener 5 can be multiple, and circumferentially interval is arranged, like this, by this stiffener 5, can improve the support strength of hanging gusset 4 significantly, guarantee the stability that central tube is hung and reliability.More preferably, when the upper side and downside of hanging gusset 4 are connected with stiffener 5 simultaneously, the stiffener 5 on upper side and the stiffener 5 on downside are staggeredly arranged, and as described in Figure 1, like this, hanging gusset 4 has in a circumferential direction strengthens intensity uniformly.
In addition, as shown in Figure 1, further, in order to improve the bulk strength of central cylinder of separator 1, the outer peripheral face of described conical cylinder section 3 is formed with the reinforcement flange 6 that circumference extends.Strengthen flange 6 preferably end to end formation annular reinforcement flange.
Similar with stiffener 5, be connected with reinforcement 7 between the upper side of described reinforcement flange 6 and/or the outer peripheral face of downside and described conical cylinder section 3.Reinforcement 7 can be multiple, and circumferentially interval is arranged, like this, by this reinforcement 7, can improve significantly conical cylinder section 3 intensity and and then improve the bulk strength of central cylinder of separator 1, guarantee the stability that central tube runs and reliability.More preferably, when the upper side and downside of strengthening flange 6 are connected with reinforcement 7 simultaneously, the reinforcement 7 on upper side and the reinforcement 7 on downside are staggeredly arranged, and like this, reinforcement flange 6 has in a circumferential direction strengthens intensity uniformly.
In addition, in order to reduce the stress of central cylinder of separator, preferably, as shown in Figure 1, the barrel continuously smooth of described conical cylinder section 3 extends.More preferably, the junction of direct tube section 2 and conical cylinder section 3 also seamlessly transits.
In one more preferably form, direct tube section 2 and conical cylinder section 3 can be integrally formed by the mode of casting.Such as, the material of central tube can select Cr25Ni14Mo, thus significantly improves the high temperature resistant of central tube and creep rupture strength performance.
In addition, the utility model also provides a kind of central cylinder of separator mounting structure.As shown in Figures 2 and 3, described central cylinder of separator mounting structure comprises shell separator (not showing in Fig. 2) and above-described central cylinder of separator 1, wherein, described shell separator is circumferentially formed with multiple locating hole 8, each described locating hole internal fixtion is provided with the support 9 extended towards described central cylinder of separator 1, such as be connected with 20 supports 9, the hanging gusset 4 of described central cylinder of separator to be overlapped on described support 9 and to be formed with gap 10 between the front end of described support 9 and the outer peripheral face of described central cylinder of separator 1, and the outward flange of described hanging gusset 4 is embedded in the refractory masses in described shell separator.
Like this, because support 9 is fixedly installed in the locating hole 8 of shell separator, such as, support 9 can be nested in locating hole 8 and to be welded and fixed, like this, when support 9 carries, due to the stop of locating hole 8 pairs of support 9 bodies, thus can guarantee that support 9 is reliablely and stablely arranged on locating hole 8, guarantee the reliability that central tube overlaps, thoroughly avoid the risk occurring slump; Further, because the hanging gusset 4 of central cylinder of separator 1 is overlapped on described support 9, can relative to support 9 displacement when central cylinder of separator 1 is expanded, and gap 10 more ensure that the expansion of central cylinder of separator 1 is unaffected; When the hanging gusset 4 of central cylinder of separator 1 is overlapped on described support 9, the outward flange of hanging gusset 4 can be embedded in the refractory masses in shell separator, to realize being tightly connected reliably between hanging gusset 4 and shell separator, prevent flue gas short circuit.
Further, in one more preferably version, as shown in Figure 2, described shell separator arranged outside has annular channel-section steel 11, this annular steel tank 11 is formed by forging type, the groove floor 12 of described annular channel-section steel 11 is towards described central cylinder of separator 1, and described support 9 passes the locating hole 8 on shell separator and is fixedly connected with the groove floor 12 of annular channel-section steel 11, such as, by being welded in groove floor 12.Further, when the intensity of annular channel-section steel 11 satisfies the demands, the groove floor 12 of annular channel-section steel 11 is circumferentially formed with the pilot hole corresponding with support 9, each support 9 correspondence to be assembled in respective pilot hole and to be welded and fixed, thus improve the stability of support 9 significantly, described shell separator inside is then provided with described refractory masses along the axis of support 9.Like this, hanging gusset 4 to be overlapped on described support 9 and to be embedded in refractory masses, can realize above-described beneficial effect, such as, is tightly connected reliably, prevents flue gas short circuit between hanging gusset 4 and shell separator.
In addition, as shown in Figure 2, support 9 is formed as ladder structure of right angle, and namely, inclined-plane downward, thus plays reinforcement supporting role.
In addition, the utility model also provides a kind of separator, schematic diagram as shown in Figure 4, described separator comprises shell separator 13 and above-described central cylinder of separator 1, the bottom of described shell separator 13 is formed with air inlet flue 14, and described shell separator 13 and described central cylinder of separator 1 assemble with above-described central cylinder of separator mounting structure, namely hang gusset 4 and to be overlapped on described support 9 and to be embedded in refractory masses.
Like this, this separator thoroughly can avoid the risk of installation and operation central tube slump, effectively remove smoke short circuit, and improve flue gas flow rate, thus improve boiler separator equipment longtime running reliability and separative efficiency, realize reducing boiler operatiopn bed temperature, improve the object of desulfuration in furnace efficiency and reduction SO2 concentration of emission.
In addition, in order to improve the separative efficiency of separator further, preferably, as shown in Figure 4, the flue inner wall face 15 of the end that described air inlet flue 14 is connected with described shell separator 13 inwardly smoothly extends to form flue gas accelerating sections 16.Such as, flue inner wall face 15 slopes inwardly to extend after a part and extends to the smoke inlet on shell separator 13 with the straight line slightly tilted again, like this, because the aisle spare of flue gas accelerating sections diminishes, flue gas can be increased significantly by flow velocity herein, make the ash quantity showed increased of boiler outer circulation, boiler bed temperature declines to a great extent, and the separative efficiency of separator obviously promotes.
Such as, in a kind of Application Example of above-mentioned separator, under unit 180MW (specified 200MW) load, boiler operatiopn bed temperature is reduced to less than 920 DEG C from 950 DEG C, the particle diameter of boiler fly ash is reduced to about 20 μm from 55.95 μm, boiler primary air flow is reduced to below 20Nm3/h from 240,000 Nm3/h, material returning valve returning charge stability is obviously improved, boiler in-furnace desulfurization SO2 and NOx all can discharge by stably reaching standard, boiler of power plant separator property safe and reliable to operation and separative efficiency is made to obtain obvious lifting, the unit generation feature of environmental protection and economy are greatly improved.
Below preferred embodiment of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. a central cylinder of separator, it is characterized in that, described central cylinder of separator (1) comprises the direct tube section (2) and conical cylinder section (3) that axial direction is integrally formed, and the outer peripheral face of described direct tube section (2) is formed with circumference and extends and the protruding hanging gusset (4) for the described central cylinder of separator of hanging (1).
2. central cylinder of separator according to claim 1, is characterized in that, described hanging gusset (4) circumference extends and end to end formation annular flange flange.
3. central cylinder of separator according to claim 2, is characterized in that, is connected with stiffener (5) between the upper side of described hanging gusset (4) and/or the outer peripheral face of downside and described direct tube section (2).
4. central cylinder of separator according to claim 1, is characterized in that, the outer peripheral face of described conical cylinder section (3) is formed with the reinforcement flange (6) that circumference extends.
5. central cylinder of separator according to claim 4, is characterized in that, is connected with reinforcement (7) between the upper side of described reinforcement flange (6) and/or the outer peripheral face of downside and described conical cylinder section (3).
6. according to the central cylinder of separator in claim 1-5 described in any one, it is characterized in that, the barrel continuously smooth of described conical cylinder section (3) extends.
7. a central cylinder of separator mounting structure, it is characterized in that, described central cylinder of separator mounting structure comprises shell separator and according to the central cylinder of separator (1) in claim 1-6 described in any one, wherein, described shell separator is circumferentially formed with multiple locating hole (8), each described locating hole internal fixtion is provided with the support (9) extended towards described central cylinder of separator (1), the hanging gusset (4) of described central cylinder of separator is overlapped on described support (9) and goes up and be formed with gap (10) between the front end of described support (9) and the outer peripheral face of described central cylinder of separator (1), and the outward flange of described hanging gusset (4) is embedded in the refractory masses in described shell separator.
8. central cylinder of separator mounting structure according to claim 7, it is characterized in that, described shell separator arranged outside has annular channel-section steel (11), and described support (9) is through the described locating hole (8) on described shell separator and be fixedly connected with described annular channel-section steel (11).
9. a separator, it is characterized in that, described separator comprises shell separator and according to the central cylinder of separator (1) in claim 1-6 described in any one, the bottom of described shell separator (13) is formed with air inlet flue (14), and described shell separator and described central cylinder of separator (1) are with the central cylinder of separator mounting structure assembling according to claim 7 or 8.
10. separator according to claim 9, it is characterized in that, the flue inner wall face (15) of the end that described air inlet flue (14) is connected with described shell separator (13) inwardly smoothly extends to form flue gas accelerating sections (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520510754.1U CN204786490U (en) | 2015-07-15 | 2015-07-15 | A separator center section of thick bamboo, separator center section of thick bamboo mounting structure and separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520510754.1U CN204786490U (en) | 2015-07-15 | 2015-07-15 | A separator center section of thick bamboo, separator center section of thick bamboo mounting structure and separator |
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| Publication Number | Publication Date |
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| CN204786490U true CN204786490U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520510754.1U Active CN204786490U (en) | 2015-07-15 | 2015-07-15 | A separator center section of thick bamboo, separator center section of thick bamboo mounting structure and separator |
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| CN (1) | CN204786490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204596A (en) * | 2017-12-28 | 2018-06-26 | 蓝宜建 | A kind of pyrotechnics separator of waste incineration |
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2015
- 2015-07-15 CN CN201520510754.1U patent/CN204786490U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204596A (en) * | 2017-12-28 | 2018-06-26 | 蓝宜建 | A kind of pyrotechnics separator of waste incineration |
| CN108204596B (en) * | 2017-12-28 | 2019-09-06 | 蓝宜建 | A kind of pyrotechnics separator of waste incineration |
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