CN203686212U - High-pressure-difference online-valve-core-replacement type black water eccentric rotary valve - Google Patents
High-pressure-difference online-valve-core-replacement type black water eccentric rotary valve Download PDFInfo
- Publication number
- CN203686212U CN203686212U CN201320739605.3U CN201320739605U CN203686212U CN 203686212 U CN203686212 U CN 203686212U CN 201320739605 U CN201320739605 U CN 201320739605U CN 203686212 U CN203686212 U CN 203686212U
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- valve
- limit cover
- valve rod
- online
- high pressure
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- Expired - Lifetime
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- 239000010866 blackwater Substances 0.000 title abstract 4
- 239000011159 matrix material Substances 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 6
- 230000003628 erosive effect Effects 0.000 claims description 5
- 239000003245 coal Substances 0.000 abstract description 23
- 239000000126 substance Substances 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000306 component Substances 0.000 abstract 3
- 239000008358 core component Substances 0.000 abstract 3
- 230000007547 defect Effects 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 10
- 238000002309 gasification Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 238000013036 cure process Methods 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000007701 flash-distillation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003250 coal slurry Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 238000004537 pulping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
Images
Abstract
The utility model relates to an eccentric rotary valve, particularly relates to a high-pressure-difference online-valve-core-replacement type black water eccentric rotary valve specially used for adjustment and opening and closing of black water and ash water in a coal chemical system and belongs to the field of instrument control. The high-pressure-difference online-valve-core-replacement type black water eccentric rotary valve comprises a valve body, wherein the valve body is internally provided with a flowing channel hole which is through left and right and one end of the flowing channel hole is connected with a pressuring ring component by threads; a valve rod is connected with a valve core component by a spline; the pressing ring component is internally provided with a valve seat component which presses and seals the valve core component. An upper limiting sleeve and a lower limiting sleeve are sheathed on the valve rod and are respectively positioned at the upper end and the lower end of the valve core component. An upper bushing and a lower bushing are sheathed on the valve rod, the upper bushing is positioned at the upper end of the upper limiting sleeve and the lower bushing is positioned at the lower end of the lower limiting sleeve. The eccentric rotary valve has the advantages that various defects in the original technology are overcome, safe, stable and high-efficiency operation of a gasifying device in the coal chemical industry are ensured, and the production efficiency is improved.
Description
Technical field
The utility model relates to a kind of camflex valve, and a kind of High Pressure Difference that is exclusively used in Heisui River in Coal Chemical Industry system, buck adjusting and switch is changed valve core type Heisui River camflex valve online specifically, belongs to instrument control field.
Background technique
Day by day in short supply along with petroleum resources, adopts coal to replace the scheme of the various chemical product of Petroleum Production to be more and more taken seriously, and particularly, in the country of the oil-poor so rich coal of China, the development of Coal Chemical Industry is rapider.The total strategy of " 12 " planning clear and definite China energy development is: " adhere to economization at first, base on our country, coal is basis, diverse development; optimize production and consumption structure; construct stable, economical, clean, safe energy supply system ", this means taking Coal Chemical Industry as the relevant peripheral industry of support and be also faced with a flourish good opportunity.
With gasification producing synthesis gas, and then directly the route of synthetic various chemical product has become the basis of Modern Coal-based Chemical.Its manufacturing process is that raw material (brown coal, bituminous coal, anthracite, mud coal etc.) are prepared to water base or oil base slurry through necessary powder process, pulping process, again through stirring, store, carrying, then use special nozzle atomization, in airflow bed gasification furnace, gasification generates crude synthesis gas (CO and H
2), the multiple terminal product such as fed downstream operation synthesizing methanol, synthetic ammonia, alkene, ethylene glycol, dimethyl ether, oil product, rock gas after dedusting, washing.In the whole manufacturing process of Coal Chemical Industry, gasification is a very crucial step, Coal Chemical Industry gasification installation not only pressure, temperature is higher, and in the media such as coal slurry, Heisui River, buck, contain a large amount of hard solid particles, these solid particles cause very strong souring to body cavity and trim under the effect of High Pressure Difference medium, and the gap that the solid particle in medium easily enters between valve body, lining, valve rod on the other hand causes valve event bite even stuck.
In order to meet the particular/special requirement of Heisui River operating mode in Coal Chemical Industry gasification installation, the valve that is exclusively used in Heisui River in Coal Chemical Industry system, buck adjusting and switch must solve following technological difficulties:
1, extremely strong abrasion resistance.Heisui River operating mode is solid-liquid two-phase flow, wherein contained pulverized coal particle has very high hardness, hard pulverized coal particle is mixed in up to extremely serious to washing away of body cavity and trim in the Heisui River of the medium differential pressure of 7MPa, 30m/s velocity of medium, medium is simultaneously also with flash distillation and cavitation phenomenon, and so harsh operating mode causes the working life of valve very of short duration;
2, spool maintenance, the convenience of changing.Because medium has very strong erosion, be often the most easily damaged and lost efficacy as the spool of the element that dams, spool maintenance in the time of parking maintenance, the convenience of changing will directly affect the whole efficiency of device;
3, prevent valve rod bite, ensure that valve event is reliable.Pulverized coal particle in medium is easy to enter into the gap of valve rod and lining and valve body, causes valve event bite even stuck, also can affect the normal operation of package unit when serious;
4, prevent valve pocket buildup; The adsorptivity of coal slurry is stronger, easily be bonded in spool and body cavity surface, in valve opening and closing process, pulverized coal particle is brought between spool and the sealing surface of valve seat and destroys sealing surface, thereby affect the sealability of valve, greatly shortened the working life of valve.
Summary of the invention
The purpose of this utility model is to address the above problem, thereby provide a kind of High Pressure Difference to change online valve core type Heisui River camflex valve, overcome all deficiencys that original technology exists, ensured Coal Chemical Industry gasification installation safety, stable, efficiently operation, improved manufacturing efficiency.
The technological scheme providing according to the utility model, High Pressure Difference is changed online valve core type Heisui River camflex valve and is comprised valve body, in valve body, be provided with the valve rod mounting hole of up/down perforation, valve rod mounting hole upper end is bolted a Gland, valve rod is installed in valve rod mounting hole, Gland is stretched out in one end of valve rod, it is characterized in that: in valve body, be provided with the runner hole that left and right connects, one end, runner hole is threaded connection trim ring assembly; On valve rod, by spline joint mangetic core assembly, in trim ring assembly, be provided with valve component, valve component press seal mangetic core assembly; On valve rod, be set with upper limit cover and lower limit cover, upper limit cover and lower limit cover lay respectively at the upper and lower end of mangetic core assembly; On valve rod, cover is loaded onto lining and lower lining, and upper lining is positioned at upper limit set upper side, and lower lining is positioned at lower limit cover lower end.
Further, between upper limit cover and valve body, be provided with an O RunddichtringO.
Further, between upper limit cover and valve rod, be provided with the 2nd O RunddichtringO.
Further, between lower limit cover and valve body, be provided with the 4th O RunddichtringO.
Further, between lower limit cover and valve rod, be provided with the 3rd O RunddichtringO.
Further, mangetic core assembly comprises spool matrix, and spool matrix side connects spool sphere by protection against erosion bolt.
Further, valve component comprises valve body and valve seat bushing pipe, and valve seat bushing pipe outer ring and valve body endoporus are interference fit.
Further, trim ring assembly comprises trim ring body and trim ring bushing pipe, and trim ring bushing pipe outer ring and trim ring body endoporus are interference fit.
Compared with the prior art the utility model has the following advantages:
1, the sphere, valve seat bushing pipe, trim ring bushing pipe, upper limit cover, the lower limit cover that directly wash away in the face of medium all adopt high hardness whole hard alloy to make, flushing resistance is strong, and avoided poor, the flaky risk of sprayfused coating combination force in spraying cure process, greatly increase working life;
2, spool adopts the fabricated structure being threaded, convenient as the high hardness sphere detachable maintaining of easily damaged parts, can accomplish online replacing;
3, body cavity surface adopts two-double spray coating technology to carry out gradient cure process with spool matrix surface, sprayfused coating thickness is promoted to 2mm by original 0.3mm, not only increased substantially hardness and flushing resistance, gradient hardening technique has more strong, the incrust advantage of interlayer combination force;
4, the part that valve rod is exposed in medium all has the stop collar of high hardness to protect, and prevents that the weak valve rod of relative thin is subject to medium and washes away;
5, between upper limit cover and lower limit cover and valve body, valve rod, be equipped with O RunddichtringO sealing configuration, prevent that pulverized coal particle in medium from entering in valve lever clearance and cause valve event bite even stuck;
6, valve flowing channel has the special transition curve without dead band design, not only can avoid buildup in valve pocket, can also significantly eliminate flash distillation and the cavitation phenomenon of medium, increases valve working life;
7, body cavity and high hardness sphere are all through grinding disposing, and surface roughness, up to Ra0.4, prevents pulverized coal particle absorption bonding;
8, valve rod adopts the duplex bearing navigation designing of upper lining and lower lining, ensures the Reliability of Microprocessor of valve under High Pressure Difference operating mode;
9, compared with only having 1～2 month actual life with the valve that adopts conventional art, the utility model has the working life that exceedes 12 months under the harsh operating mode of Coal Chemical Industry gasification installation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
The structural representation of Fig. 2 valve body.
Fig. 3 is mangetic core assembly structural representation.
Fig. 4 is valve component structural representation.
Fig. 5 is trim ring modular construction schematic diagram.
Description of reference numerals: 1-valve rod, the upper lining of 2-, 3-valve body, 4-the one O RunddichtringO, 5-upper limit cover, 6-the 2nd O RunddichtringO, 7-mangetic core assembly, 7.1-spool sphere, 7.2-spool matrix, 7.3-protection against erosion bolt, 8-the 3rd O RunddichtringO, 9-valve component, 9.1-valve body, 9.2-valve seat bushing pipe, 10-trim ring assembly, 10.1-trim ring body, 10.2-trim ring bushing pipe, 11-lower limit cover, 12-the 4th O RunddichtringO, lining under 13-, 14-valve rod mounting hole, 15-runner hole, 16-Gland.
Embodiment
The utility model is further described in connection with the embodiment in accompanying drawing below:
As shown in Figure 1 and 2, the utility model mainly comprises valve body 3, is provided with the valve rod mounting hole 14 of up/down perforation in valve body 3, and valve rod mounting hole 14 upper ends are bolted a Gland 16, the interior installation valve rod 1 of valve rod mounting hole 14, Gland 16 is stretched out in one end of valve rod 1.
In valve body 3, be provided with the runner hole 15 that left and right connects, 15 one end, runner hole are threaded connection trim ring assembly 10.On valve rod 1, by spline joint mangetic core assembly 7, in trim ring assembly 10, be provided with valve component 9, valve component 9 press seal mangetic core assemblies 7.
On valve rod 1, be set with upper limit cover 5 and lower limit cover 11, upper limit cover 5 and lower limit cover 11 lay respectively at the upper and lower end of mangetic core assembly 7.
Between described upper limit cover 5 and valve body 3, be provided with an O RunddichtringO 4, between upper limit cover 5 and valve rod 1, be provided with the 2nd O RunddichtringO 6.
Between described lower limit cover 11 and valve body 3, be provided with the 4th O RunddichtringO 12, between lower limit cover 11 and valve rod 1, be provided with the 3rd O RunddichtringO 8.
On valve rod 1, cover is loaded onto lining 2 and lower lining 13, and upper lining 2 is positioned at upper limit and overlaps 5 upper ends, and lower lining 13 is positioned at lower limit and overlaps 11 lower ends.
As shown in Figure 3, described mangetic core assembly 7 comprises spool matrix 7.2, and spool matrix 7.2 sides connect spool sphere 7.1 by protection against erosion bolt 7.3, and spool sphere 7.1 adopts high hardness whole hard alloy material to make.
As shown in Figure 4, described valve component 9 comprises valve body 9.1 and valve seat bushing pipe 9.2, and valve seat bushing pipe 9.2 outer rings and valve body 9.1 endoporus are interference fit, adopts the assembling of heat expansion technique in aggregates.
As shown in Figure 5, described trim ring assembly 10 comprises trim ring body 10.1 and trim ring bushing pipe 10.2, and trim ring bushing pipe 10.2 outer rings and trim ring body 10.1 endoporus are interference fit, adopts the assembling of heat expansion technique in aggregates.
Working principle of the present utility model: the spool sphere, valve seat bushing pipe, trim ring bushing pipe, upper limit cover, the lower limit cover that directly wash away in the face of medium all adopt high hardness whole hard alloy to make, flushing resistance is strong, and avoided poor, the flaky risk of sprayfused coating combination force in spraying cure process, greatly increase working life.Spool adopts the fabricated structure being threaded, convenient as the spool sphere detachable maintaining of the high hardness of easily damaged parts, can accomplish online replacing.Body cavity surface adopts two-double spray coating technology to carry out gradient cure process with spool matrix surface, has not only increased substantially hardness and flushing resistance, and gradient hardening technique has more spraying bed thickness, strong, the incrust advantage of interlayer combination force.Valve rod is exposed to upper limit cover and the lower limit cover that part in medium is all subject to high hardness and protects, and prevents that valve rod is subject to medium and washes away.Between upper limit cover and lower limit cover and valve body, valve rod, be equipped with O RunddichtringO, prevent that pulverized coal particle in medium from entering in valve lever clearance and cause valve event bite even stuck.Valve flowing channel has the special transition curve without dead band design, not only can avoid buildup in valve pocket, can also significantly alleviate flash distillation and the cavitation phenomenon of medium, increases valve working life.Valve rod adopts the duplex bearing navigation designing of upper lining and lower lining, ensures the Reliability of Microprocessor of valve under High Pressure Difference operating mode.
Claims (8)
1. a High Pressure Difference is changed valve core type Heisui River camflex valve online, comprise valve body (3), in valve body (3), be provided with the valve rod mounting hole (14) of up/down perforation, valve rod mounting hole (14) upper end is bolted a Gland (16), valve rod (1) is installed in valve rod mounting hole (14), Gland (16) is stretched out in one end of valve rod (1), it is characterized in that: in valve body (3), be provided with the runner hole (15) that left and right connects, one end, runner hole (15) is threaded connection trim ring assembly (10); Valve rod (1) is upper by spline joint mangetic core assembly (7), is provided with valve component (9), valve component (9) press seal mangetic core assembly (7) in trim ring assembly (10); The upper suit of valve rod (1) upper limit cover (5) and lower limit cover (11), upper limit cover (5) and lower limit cover (11) lay respectively at the upper and lower end of mangetic core assembly (7); The upper cover of valve rod (1) is loaded onto lining (2) and lower lining (13), and upper lining (2) is positioned at upper limit cover (5) upper end, and lower lining (13) is positioned at lower limit cover (11) lower end.
2. High Pressure Difference as claimed in claim 1 is changed valve core type Heisui River camflex valve online, it is characterized in that: between described upper limit cover (5) and valve body (3), be provided with an O RunddichtringO (4).
3. High Pressure Difference as claimed in claim 1 is changed valve core type Heisui River camflex valve online, it is characterized in that: between described upper limit cover (5) and valve rod (1), be provided with the 2nd O RunddichtringO (6).
4. High Pressure Difference as claimed in claim 1 is changed valve core type Heisui River camflex valve online, it is characterized in that: between described lower limit cover (11) and valve body (3), be provided with the 4th O RunddichtringO (12).
5. High Pressure Difference as claimed in claim 1 is changed valve core type Heisui River camflex valve online, it is characterized in that: between described lower limit cover (11) and valve rod (1), be provided with the 3rd O RunddichtringO (8).
6. High Pressure Difference as claimed in claim 1 is changed valve core type Heisui River camflex valve online, it is characterized in that: described mangetic core assembly (7) comprises spool matrix (7.2), spool matrix (7.2) side connects spool sphere (7.1) by protection against erosion bolt (7.3).
7. High Pressure Difference as claimed in claim 1 is changed valve core type Heisui River camflex valve online, it is characterized in that: described valve component (9) comprises valve body (9.1) and valve seat bushing pipe (9.2), valve seat bushing pipe (9.2) outer ring and valve body (9.1) endoporus are interference fit.
8. High Pressure Difference as claimed in claim 1 is changed valve core type Heisui River camflex valve online, it is characterized in that: described trim ring assembly (10) comprises trim ring body (10.1) and trim ring bushing pipe (10.2), trim ring bushing pipe (10.2) outer ring and trim ring body (10.1) endoporus are interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739605.3U CN203686212U (en) | 2013-11-20 | 2013-11-20 | High-pressure-difference online-valve-core-replacement type black water eccentric rotary valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739605.3U CN203686212U (en) | 2013-11-20 | 2013-11-20 | High-pressure-difference online-valve-core-replacement type black water eccentric rotary valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203686212U true CN203686212U (en) | 2014-07-02 |
Family
ID=51008112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320739605.3U Expired - Lifetime CN203686212U (en) | 2013-11-20 | 2013-11-20 | High-pressure-difference online-valve-core-replacement type black water eccentric rotary valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203686212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615561A (en) * | 2013-11-20 | 2014-03-05 | 无锡智能自控工程股份有限公司 | High-differential-pressure on-line spool replacing type black-water eccentric rotary valve |
| CN104633166A (en) * | 2015-02-10 | 2015-05-20 | 无锡智能自控工程股份有限公司 | Whole flow passage liner tube eccentric rotary valve |
-
2013
- 2013-11-20 CN CN201320739605.3U patent/CN203686212U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615561A (en) * | 2013-11-20 | 2014-03-05 | 无锡智能自控工程股份有限公司 | High-differential-pressure on-line spool replacing type black-water eccentric rotary valve |
| CN103615561B (en) * | 2013-11-20 | 2016-06-15 | 无锡智能自控工程股份有限公司 | High Pressure Difference changes the eccentric rotary valve in valve core type Heisui River online |
| CN104633166A (en) * | 2015-02-10 | 2015-05-20 | 无锡智能自控工程股份有限公司 | Whole flow passage liner tube eccentric rotary valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |