CN205504026U - Bellows fine coal flow control feed control valve - Google Patents
Bellows fine coal flow control feed control valve Download PDFInfo
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- CN205504026U CN205504026U CN201620101777.1U CN201620101777U CN205504026U CN 205504026 U CN205504026 U CN 205504026U CN 201620101777 U CN201620101777 U CN 201620101777U CN 205504026 U CN205504026 U CN 205504026U
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- fine coal
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- valve
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Abstract
The utility model relates to a control valve, especially a bellows fine coal flow control feed control valve belong to the technical field of governing valve. According to the utility model provides a technical scheme, bellows fine coal flow control feed control valve, including valve body and slantly distributed in be used for forming the export flow pipe of export runner on the valve body, install the case through the bush in the valve body, in the one end of the neighbouring valve body fine coal entrance point of case stretches into the bush, the bush from the fine coal entrance point of valve body penetrate in the valve body and with valve body in close contact with, characterized by: the one end that the case stretched into in the bush sets up the flow control window that flow control used, the flow control window is evenly distributed on the case, the flow control window is the curve form on the case to form and the consistent runner curved surface of fine coal flow direction on the case. The utility model discloses compact structure, the flow control precision is high, and increase of service life reduces use cost, safe and reliable.
Description
Technical field
The present invention relates to a kind of control valve, especially a kind of corrugated tube fine coal Flow-rate adjustment feedstock control valve, belong to the technical field of regulation valve.
Background technology
Coal chemical industry quickly grows at present, through the research and development of numerous technical staff, creates numerous new technology about Chemical Industry and processing procedure.Wherein, Coal Gasification Technology is exactly the technique that one of which is important.Coal Gasification Technology refers to the coal through suitably processing to send in reactor such as gasification furnace, under certain temperature and pressure, gas is changed into certain type of flow (such as moving bed, fluid bed or carry bed etc.) by oxidant (air or oxygen and steam), obtain rough water gas, obtain refined carbon monoxide gas by techniques such as follow-up desulfurization and decarburizations.Coal Gasification Technology is important channel and the means of clean utilization coal resources.In the above manufacturing process, efficiently utilizing of fine coal is crucial, because it is not only able to farthest reduce environmental pollution, it is also possible to improve the economic benefit of enterprise.Based on above feature, the valve used in this technique just highlights importance.At numerous valve kind apoplexy due to endogenous wind, fine coal Flow-rate adjustment feedstock control valve is extremely important, and the quality of its performance determines the quantity of operation of coal gasifying process.Existing fine coal Flow-rate adjustment feedstock control valve physical life is short, and frequency of maintenance is high, and use cost is high, Flow-rate adjustment low precision, it is difficult to meets and uses requirement.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of corrugated tube fine coal Flow-rate adjustment feedstock control valve, its compact conformation, Flow-rate adjustment precision is high, increases the service life, and reduces use cost, safe and reliable.
The technical scheme provided according to the present invention, described corrugated tube fine coal Flow-rate adjustment feedstock control valve, including valve body and tilt distribution on described valve body for forming the outlet flow pipe of outlet flow, by lining, spool is installed in described valve body, one end of spool proximate valve body fine coal entrance point is stretched in lining, and described lining is in close contact in the fine coal entrance point of valve body penetrates valve body and with described valve body；It is characterized in that: one end that described spool stretches in lining arranges the Flow-rate adjustment window of Flow-rate adjustment, described Flow-rate adjustment window is evenly distributed on spool, Flow-rate adjustment window is curvilinear on spool, consistent with fine coal flow direction sprue curved to be formed on spool.
The inwall of described lining is provided with the lining lining for anti-fine coal medium erosion corrosion, described spool forms one end of Flow-rate adjustment window and stretches in lining, and contact with the lining lining of lining, spool can move along a straight line in lining along lining lining, with the connected state between fine coal import and the outlet flow of regulation valve body.
The inwall of described valve body is provided with the valve body lining for anti-fine coal medium erosion corrosion, and the inwall of described outlet flow pipe is provided with the flow-path tube lining for anti-fine coal medium erosion corrosion；Described spool and lining and valve body are in coaxial distribution.
The valve core case of fixing connection is set on described spool; the connecting rod being connected with valve rod it is provided in described valve core case; valve rod is connected by connecting rod is fixing with valve core case and spool; described valve rod is coaxially distributed with valve core case and spool, and the end of the fine coal entrance point of described connecting rod correspondence proximate valve body arranges connecting rod protective layer.
The end of described valve body is provided with corrugated bushing, and described corrugated bushing and lining lay respectively at the two ends of valve body, be provided with upper cover in the end of described corrugated bushing, and described corrugated bushing is coaxially distributed with valve body, upper cover；
The other end that valve rod is connected with connecting rod passes from upper cover after corrugated bushing, and corrugated bushing arranges the sleeve pipe arm being connected with described corrugated bushing, and described sleeve pipe arm is provided with purging flange.
Stuffing-box district in described upper cover is provided with packing box assembly, is provided for intercepting fine coal and enters the corrugated tube in stuffing-box district in upper cover in corrugated bushing.
Arranging the transition conduit being fastenedly connected outside the fine coal entrance point of described valve body, lining is provided with lining O with the joint portion of valve body fine coal entrance point outer wall, and in transition conduit, the joint portion with lining is provided with transition conduit O.
Described corrugated bushing is provided with casing metal spirotallic gasket with the joint portion of valve body, and described corrugated tube is provided with corrugated tube SW with outside ring with the joint portion of corrugated bushing.
Described spool is connected by alignment pin and valve core case are fixing, and described valve core case is connected by holding screw is fixing with connecting rod and valve rod.
Advantages of the present invention: spool utilizes the Flow-rate adjustment window of end to be formed at consistent sprue curved of fine coal flow direction, so that the accurate control of flow also can be realized in the case of small guide vane, spool uses the material of high rigidity to make, the inwall of valve body covers the valve body lining of high rigidity, the inwall of lining covers the lining lining of high rigidity, the inwall of outlet flow pipe covers the flow-path tube lining of high intensity, it is thus possible to raising scour resistance, guarantee the service life that spool end is sprue curved, utilize purging flange can realize the purging to buildup, utilize corrugated tube can intercept fine coal and enter packing box assembly, avoid the scraping to valve rod, guarantee stability and the reliability of stem movement, reduce use cost, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the enlarged drawing of A in Fig. 1.
Fig. 3 is the structural representation of spool of the present invention.
nullDescription of reference numerals: 1-valve body、2-transition conduit、3-lining、4-transition conduit fastening bolt、5-spool、6-valve core case、7-connecting rod、8-valve rod、9-corrugated bushing、10-corrugated tube、11-upper cover、12-packing box assembly、13-transition conduit O、The upper bolt of cover setting of 14-、15-holding screw、16-alignment pin、17-lining O、18-pipe flange、19-lining lining、20-flow-path tube lining、21-outlet flow pipe、22-valve body lining、23-casing metal spirotallic gasket、24-sleeve pipe fastening bolt、25-purges flange、26-sleeve pipe arm、27-corrugated tube SW with outside ring、28-instrument connection、29-plug、30-pressing plate、31-platen support trip bolt、32-Flow-rate adjustment window and 33-connecting rod protective layer.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in figures 1 and 3: in order to realize Flow-rate adjustment accurately, the present invention include valve body 1 and tilt distribution on described valve body 1 for forming the outlet flow pipe 21 of outlet flow, by lining 3, spool 5 is installed in described valve body 1, one end of spool 5 proximate valve body 1 fine coal entrance point is stretched in lining 3, and described lining 3 is in close contact in the fine coal entrance point of valve body 1 penetrates valve body 1 and with described valve body 1；It is characterized in that: described spool 5 stretches into the one end in lining 3 and arranges the Flow-rate adjustment window 32 of Flow-rate adjustment, described Flow-rate adjustment window 32 is evenly distributed on spool 5, Flow-rate adjustment window 32 is curvilinear on spool 5, consistent with fine coal flow direction sprue curved to be formed on spool 5.
Specifically, valve body 1 in a tubular form, the intracavity inter-connection of outlet flow pipe 21 and valve body 1, spool 5 is arranged in valve body 1 by lining 3, when spool 5 moves along a straight line in lining 3, the connected state between outlet flow-path tube 21 and the fine coal entrance point of valve body 1 can be adjusted, be i.e. capable of the regulation of flow.Multiple Flow-rate adjustment windows 32 are evenly distributed on spool 5, the sidewall of the through spool of Flow-rate adjustment window 32 5, spool 5 forms the runner for Flow-rate adjustment by multiple Flow-rate adjustment windows 32, the most described Flow-rate adjustment runner shape in curved surface, described flow curved surface keeps consistent with fine coal flow direction, thus also is able to be realized by Flow-rate adjustment window 32 the accurate control of flow during small guide vane.
Further, the inwall of described lining 3 is provided with the lining lining 19 for anti-fine coal medium erosion corrosion, one end that described spool 5 forms Flow-rate adjustment window 32 is stretched in lining 3, and contact with the lining lining 19 of lining 3, spool 5 can move along a straight line in lining 3 along lining lining 19, with the connected state between fine coal import and the outlet flow of regulation valve body 1.
In the embodiment of the present invention; spool 5 can use Talide to form through high temperature sintering post-treatment; the hardness of spool 5 can reach 65-70HRC; now; spool 5 can have stronger wear-resisting and scour resistance; Flow-rate adjustment window 32 also can effectively be protected, it is possible to significantly improve the service life of spool 5.Certainly, spool 5 can also use other to have the materials processing of high rigidity, specifically can carry out selection as required and determine, here is omitted.Lining 3 is coaxially distributed with valve body 1 interbed, and lining lining 19 can also use Talide to form through high temperature sintering post-treatment, it is possible to increase the scour resistance of lining 3.
The inwall of described valve body 1 is provided with the valve body lining 22 for anti-fine coal medium erosion corrosion, and the inwall of described outlet flow pipe 21 is provided with the flow-path tube lining 20 for anti-fine coal medium erosion corrosion；Described spool 5 and lining 3 and valve body 1 are in coaxial distribution.
In the embodiment of the present invention, valve body lining 22, flow-path tube lining 20 all can use above-mentioned Talide to obtain through high temperature sintering post-treatment, valve body lining 22 can be distributed in the inwall outside valve body 1 contacts with lining 3, flow-path tube lining 20 is distributed in outlet flow pipe 21, utilizes valve body lining 22 and flow-path tube lining 20 can be effectively improved scour resistance.
Arranging the transition conduit 2 being fastenedly connected outside the fine coal entrance point of described valve body 1, lining 3 is provided with lining O 17 with the joint portion of valve body 1 fine coal entrance point outer wall, and in transition conduit 2, the joint portion with lining 3 is provided with transition conduit O 13.In the embodiment of the present invention, transition conduit 2 and valve body 1 are in coaxial distribution, and transition conduit 2 is positioned at outside valve body 1, and transition conduit 2 utilizes transition conduit fastening bolt 4 to be fastenedly connected with valve body 1 with transition conduit clamp nut.After transition conduit 2 is connected with valve body 1, one end of lining 3 is positioned at valve body 1, and the other end of lining 3 is positioned between valve body 1 and transition conduit 2.Lining 3 utilizes lining O 17 to improve and fits tightly with the end face of valve body 1, utilizes transition conduit O 13 can realize fitting tightly of contact surface between lining 3 and transition conduit 2.Pipe flange 18 is set in transition conduit 2, utilizes pipe flange 18 can be connected with fine coal pipeline.
As shown in Figure 2; the valve core case 6 of fixing connection is set on described spool 5; the connecting rod 7 being connected with valve rod 8 it is provided in described valve core case 6; valve rod 8 is fixed by connecting rod 7 be connected with valve core case 6 and spool 5; described valve rod 8 is coaxially distributed with valve core case 6 and spool 5, and the end of the fine coal entrance point of the corresponding proximate valve body 1 of described connecting rod 7 arranges connecting rod protective layer 33.
In the embodiment of the present invention, described spool 5 is connected by alignment pin 16 is fixing with valve core case 6, and described valve core case 6 is fixed by holding screw 15 be connected with connecting rod 7 and valve rod 8.Valve core case 6 is positioned at the top of lining 3, connecting rod 7 utilizes screw thread to be fastenedly connected with valve core case 6 and valve rod 8 respectively, spool 5 utilizes with valve core case 6 that alignment pin 16 is fixing to be connected, valve core case 6, connecting rod 7 and valve rod 8 are fixed by holding screw 15, it is thus possible to prevent relatively rotating between valve rod 8, connecting rod 7, valve core case 6 and spool 5, it is ensured that spool 5 will not be excessive and vibrate, rotate at traditional font 1 endogenous cause of ill fine coal pressure.Connecting rod protective layer 33 can be prepared by sprayed wc hard alloy, can be protected connecting rod 7 for the end of fine coal import by connecting rod protective layer 33.
Further, the end of described valve body 1 is provided with corrugated bushing 9, and described corrugated bushing 9 and lining 3 lay respectively at the two ends of valve body 1, be provided with upper cover 11 in the end of described corrugated bushing 9, and described corrugated bushing 9 is coaxially distributed with valve body 1, upper cover 11；
The other end that valve rod 8 is connected with connecting rod 7 passes from upper cover 11 after corrugated bushing 9, and corrugated bushing 9 arranges the sleeve pipe arm 26 being connected with described corrugated bushing 9, and described sleeve pipe arm 26 is provided with purging flange 25.
In the embodiment of the present invention, in the end of valve body 1, corrugated bushing 9 is set, described corrugated bushing 9 and transition conduit 2 lay respectively at the two ends of valve body 1, and corrugated bushing 9 utilizes sleeve pipe fastening bolt 24 and the sleeve pipe clamp nut that mates with described sleeve pipe fastening bolt 24 to be fastenedly connected with valve body 1.The upper bolt of cover setting 14 of upper cover 11 utilization and the upper cover clamp nut mated with described upper bolt of cover setting 14 are fixed on the end of corrugated bushing 9.Corrugated bushing 9 and valve body 1 are in coaxial distribution, and upper cover 11 and corrugated bushing 9 are in coaxial distribution, and valve rod 8 and valve body 1 are in coaxial distribution, and valve rod 8 is coordinated by connecting rod 7 and valve core case 6, can realize the spool 5 motion in lining 3.Sleeve pipe arm 26 is positioned at the side of corrugated bushing 9, and the axis of sleeve pipe arm 26 is mutually perpendicular to the axis of corrugated bushing 9, and purging flange 25 is installed on the end of sleeve pipe arm 26.Corrugated bushing 9 utilizes purging flange 25 can connect with outside nitrogen interface, such that it is able to periodically or non-periodically the remove the buildup in valve body 1, it is ensured that in valve body 1, Flow-rate adjustment is reliable and stable, prevents from blocking.
Further, the stuffing-box district in described upper cover 11 is provided with packing box assembly 12, is provided for intercepting fine coal and enters the corrugated tube 10 in stuffing-box district in upper cover 11 in corrugated bushing 9.
In the embodiment of the present invention, described corrugated bushing 9 is provided with casing metal spirotallic gasket 23 with the joint portion of valve body 1, casing metal spirotallic gasket 23 can be compressed the end being valve body 1 by corrugated bushing 9, described corrugated tube 10 is provided with corrugated tube SW with outside ring 27 with the joint portion of corrugated bushing 9, and corrugated tube SW with outside ring 27 can be pressed in corrugated bushing 9 by corrugated tube 10.Corrugated tube 10 is enclosed within valve rod 8 in corrugated bushing 9, and valve rod 8 passes upper cover 11 after packing box assembly 12, and valve rod 8 can packing box assembly 12 and corrugated tube 10 move relatively.Utilize corrugated tube 10 can block the combination gap between upper cover 11 and corrugated bushing 9, intercept fine coal and enter stuffing-box district, it is thus possible to avoid having on valve rod 8 scratch, filler to damage or packing area the phenomenon such as is blocked by fine coal, caused valve to expose or the phenomenon of valve rod 8 motion bite, cause affect normally using of valve.
Further, it is additionally provided with instrument connection 28 at upper cover 11, utilizes instrument connection 28 can realize the test to corrugated tube 10, upper cover 11 also sets up the plug 29 that can block described instrument connection 28.In order to make the packing box assembly 12 stability in upper cover 11, pressing plate 30 it is additionally provided with outside upper cover 11, described depression bar 30 supports trip bolt 31 by depression bar and is arranged on outside upper cover 11 end, between described depression bar 30 and packing box assembly 12, clamping sleeve is set, one end of clamping sleeve contacts with packing box assembly 12, and the other end of clamping sleeve contacts with depression bar 30, and clamping sleeve is enclosed within valve rod 8, pressing plate 30 utilizes contacting of clamping sleeve and packing box assembly 12, it is ensured that packing box assembly 12 is maintained in upper cover 11.
Spool 5 of the present invention utilizes the Flow-rate adjustment window 32 of end to be formed at consistent sprue curved of fine coal flow direction, so that the accurate control of flow also can be realized in the case of small guide vane, spool 5 uses the material of high rigidity to make, the inwall of valve body 1 covers the valve body lining 22 of high rigidity, the inwall of lining 3 covers the lining lining 19 of high rigidity, the inwall of outlet flow pipe 21 covers the flow-path tube lining 20 of high intensity, it is thus possible to raising scour resistance, guarantee the service life that spool 5 end is sprue curved, utilize purging flange 25 can realize the purging to buildup, utilize corrugated tube 10 can intercept fine coal and enter packing box assembly 12, avoid the scraping to valve rod 8, guarantee stability and reliability that valve rod 8 moves, reduce use cost, safe and reliable.
Claims (9)
1. a corrugated tube fine coal Flow-rate adjustment feedstock control valve, on described valve body (1), it is used for being formed the outlet flow pipe (21) of outlet flow including valve body (1) and tilt distribution, by lining (3), spool (5) is installed in described valve body (1), one end of spool (5) proximate valve body (1) fine coal entrance point is stretched in lining (3), and described lining (3) is in close contact in the fine coal entrance point of valve body (1) penetrates valve body (1) and with described valve body (1)；It is characterized in that: described spool (5) stretches into the one end in lining (3) and arranges the Flow-rate adjustment window (32) of Flow-rate adjustment, described Flow-rate adjustment window (32) is evenly distributed on spool (5), Flow-rate adjustment window (32) is upper the most curvilinear at spool (5), with spool (5) upper formed consistent with fine coal flow direction sprue curved.
Corrugated tube fine coal Flow-rate adjustment feedstock control valve the most according to claim 1, it is characterized in that: the inwall of described lining (3) is provided with the lining lining (19) for anti-fine coal medium erosion corrosion, described spool (5) forms one end of Flow-rate adjustment window (32) and stretches in lining (3), and contact with the lining lining (19) of lining (3), spool (5) can move along a straight line in lining (3) along lining lining (19), with the connected state between fine coal import and the outlet flow of regulation valve body (1).
Corrugated tube fine coal Flow-rate adjustment feedstock control valve the most according to claim 1, it is characterized in that: the inwall of described valve body (1) is provided with the valve body lining (22) for anti-fine coal medium erosion corrosion, the inwall of described outlet flow pipe (21) is provided with the flow-path tube lining (20) for anti-fine coal medium erosion corrosion；Described spool (5) and lining (3) and valve body (1) are in coaxial distribution.
Corrugated tube fine coal Flow-rate adjustment feedstock control valve the most according to claim 1; it is characterized in that: the valve core case (6) of fixing connection is set on described spool (5); the connecting rod (7) being connected with valve rod (8) it is provided in described valve core case (6); valve rod (8) is connected by connecting rod (7) is fixing with valve core case (6) and spool (5); described valve rod (8) is coaxially distributed with valve core case (6) and spool (5), and the end of the fine coal entrance point of the corresponding proximate valve body (1) of described connecting rod (7) arranges connecting rod protective layer (33).
Corrugated tube fine coal Flow-rate adjustment feedstock control valve the most according to claim 4, it is characterized in that: the end of described valve body (1) is provided with corrugated bushing (9), described corrugated bushing (9) and lining (3) lay respectively at the two ends of valve body (1), be provided with upper cover (11) in the end of described corrugated bushing (9), described corrugated bushing (9) is coaxially distributed with valve body (1), upper cover (11)；
The other end that valve rod (8) is connected with connecting rod (7) passes from upper cover (11) after corrugated bushing (9), corrugated bushing (9) above arranges the sleeve pipe arm (26) being connected with described corrugated bushing (9), and described sleeve pipe arm (26) is provided with purging flange (25).
Corrugated tube fine coal Flow-rate adjustment feedstock control valve the most according to claim 5, it is characterized in that: the stuffing-box district in described upper cover (11) is provided with packing box assembly (12), in corrugated bushing (9), be provided for intercepting fine coal enter the corrugated tube (10) in stuffing-box district in upper cover (11).
Corrugated tube fine coal Flow-rate adjustment feedstock control valve the most according to claim 2, it is characterized in that: the transition conduit (2) being fastenedly connected is set outside the fine coal entrance point of described valve body (1), lining (3) is provided with lining O (17) with the joint portion of valve body (1) fine coal entrance point outer wall, and in transition conduit (2), the joint portion with lining (3) is provided with transition conduit O (13).
Corrugated tube fine coal Flow-rate adjustment feedstock control valve the most according to claim 6, it is characterized in that: described corrugated bushing (9) is provided with casing metal spirotallic gasket (23) with the joint portion of valve body (1), and described corrugated tube (10) is provided with corrugated tube SW with outside ring (27) with the joint portion of corrugated bushing (9).
Corrugated tube fine coal Flow-rate adjustment feedstock control valve the most according to claim 4, it is characterized in that: described spool (5) is connected by alignment pin (16) and valve core case (6) are fixing, described valve core case (6) is connected by holding screw (15) is fixing with connecting rod (7) and valve rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620101777.1U CN205504026U (en) | 2016-02-01 | 2016-02-01 | Bellows fine coal flow control feed control valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620101777.1U CN205504026U (en) | 2016-02-01 | 2016-02-01 | Bellows fine coal flow control feed control valve |
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| Publication Number | Publication Date |
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| CN205504026U true CN205504026U (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620101777.1U Active CN205504026U (en) | 2016-02-01 | 2016-02-01 | Bellows fine coal flow control feed control valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508638A (en) * | 2016-02-01 | 2016-04-20 | 无锡智能自控工程股份有限公司 | Corrugated pipe powder coal flow-regulation feed control valve |
| CN111442113A (en) * | 2020-03-18 | 2020-07-24 | 合肥通用机械研究院有限公司 | Active prevention and control failure type solid-containing multiphase flow control valve |
| CN114001167A (en) * | 2021-11-30 | 2022-02-01 | 艾坦姆流体控制技术(山东)有限公司 | Fine coal flow control valve |
-
2016
- 2016-02-01 CN CN201620101777.1U patent/CN205504026U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508638A (en) * | 2016-02-01 | 2016-04-20 | 无锡智能自控工程股份有限公司 | Corrugated pipe powder coal flow-regulation feed control valve |
| CN111442113A (en) * | 2020-03-18 | 2020-07-24 | 合肥通用机械研究院有限公司 | Active prevention and control failure type solid-containing multiphase flow control valve |
| CN111442113B (en) * | 2020-03-18 | 2022-04-22 | 合肥通用机械研究院有限公司 | Active prevention and control failure type solid-containing multiphase flow control valve |
| CN114001167A (en) * | 2021-11-30 | 2022-02-01 | 艾坦姆流体控制技术(山东)有限公司 | Fine coal flow control valve |
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