CN211082900U - V-shaped knife gate valve with wide area flow regulation characteristic - Google Patents
V-shaped knife gate valve with wide area flow regulation characteristic Download PDFInfo
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- CN211082900U CN211082900U CN201922390244.6U CN201922390244U CN211082900U CN 211082900 U CN211082900 U CN 211082900U CN 201922390244 U CN201922390244 U CN 201922390244U CN 211082900 U CN211082900 U CN 211082900U
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- valve
- knife gate
- valve body
- gate valve
- wide area
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- 238000007789 sealing Methods 0.000 claims abstract description 33
- 210000004907 gland Anatomy 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 abstract description 16
- 238000005273 aeration Methods 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 208000002991 Ring chromosome 4 syndrome Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
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Abstract
The utility model discloses a V type knife gate valve with wide area flow control characteristic, including valve body, lumen sealing washer and V type runner, V type runner has been seted up to the inside of valve body, the internally mounted flashboard of valve body, the inside fixed connection U type sealing strip of valve body, the inside of valve body is equipped with the lumen sealing washer, the top fixed connection gland of lumen sealing washer. This V type knife gate valve with wide area flow control characteristic, optimize through the runner to knife gate valve inside, the better problem of traditional knife gate valve performance low when using of having solved, owing to optimize the traditional circular runner of knife gate valve for V type runner, so can thoroughly solve the accurate aeration volume problem under the miniature tolerance demand condition, reduce the manufacturing cost of sewage factory by a wide margin, the purpose of the water quality of water of having realized improving, overall structure is simple, unusual convenience during the operation, the accurate flow control characteristic of more wide area has, the practicality is stronger.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a V type knife gate valve with wide area flow control characteristic.
Background
Along with the scientific and technological development and social progress, a large amount of sewage is also produced in human life production, so that more and more sewage treatment plants are put into operation to purify water quality and promote the environmental protection process of human society, and the accurate aeration system of the sewage treatment plants performs biological treatment on the sewage, which is an important step for improving the water quality.
Present sewage treatment plant extensively adopts traditional circular runner knife gate valve as accurate explosion air control valve for control aeration volume, nevertheless because traditional knife gate valve can only provide the accurate regulation of big tolerance, because general little aperture big air characteristic, to under the little air demand condition, unable accurate control tolerance often causes a large amount of losses of tolerance, causes manufacturing cost to increase, and increases oxygen content in the sewage, reduces treatment effect, sewage treatment plant running cost increases, and it is not high to go out water quality of water.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the not enough of prior art, the utility model provides a V type knife gate valve with wide area flow control characteristic has solved the accurate requirement of exploding gas that traditional knife gate valve can't reach as aeration control valve. Traditional knife gate valve can only provide the accurate regulation of big tolerance, because general little aperture big tolerance characteristic, to under the little gas demand condition, unable accurate control tolerance often causes the loss in a large number of tolerance, causes manufacturing cost to increase, and increases oxygen content in the sewage, reduces treatment effect, and sewage treatment plant running cost increases, goes out the not high scheduling problem of water quality.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a V type knife gate valve with wide area flow control characteristic, includes valve body, lumen sealing washer and V type runner, V type runner has been seted up to the inside of valve body, the internally mounted flashboard of valve body, the inside fixed connection U type sealing strip of valve body, the inside of valve body is equipped with the lumen sealing washer, the top fixed connection gland of lumen sealing washer, the top fixed connection support of valve body, the valve rod is connected through the mode of inlaying on the upper portion of valve body, the bottom fixed connection flashboard of valve rod, the automatic actuating mechanism of top installation of support.
Preferably, the V-shaped runner is located at the middle of the valve body, and a gate plate is arranged on one side of the V-shaped runner.
Preferably, the U-shaped sealing strip is located at the bottom of the gate plate, and the U-shaped sealing strip and the gate plate are tightly attached together.
Preferably, the supports are symmetrically distributed and distributed around the valve rod.
Preferably, the bottom of the automatic driving mechanism is fixedly connected with the valve rod, and the bottom of the automatic driving mechanism is fixed at the top of the support through a support rod.
(III) advantageous effects
The utility model provides a V type knife gate valve with wide area flow control characteristic possesses following beneficial effect:
(1) according to the V-shaped knife gate valve with the wide area flow regulation characteristic, the problem that the cost of the knife gate valve is high in use is solved better by optimizing the valve flow channel in the knife gate valve, and the problem of accurate aeration amount under the condition of micro air quantity demand can be solved thoroughly by optimizing the traditional circular flow channel of the knife gate valve into the V-shaped flow channel, so that the production cost of a sewage plant is reduced greatly, the quality of outlet water is improved, the overall structure is simple, the operation is very convenient, more wide area accurate flow control is realized, and the practicability is high;
(2) according to the V-shaped knife gate valve with the wide-area flow regulation characteristic, through the special V-shaped flow channel, when the opening degree of the V-shaped knife gate valve is gradually increased from the initial opening position of the V-shaped knife gate valve at the full-closed position, the flow is increased more slowly, and the aeration quantity can be controlled more accurately; and at the valve full-open position, the V-shaped knife gate valve can obtain a larger flow area, so that a larger flow can be provided, the method is suitable for larger sewage treatment capacity, and in a small-flow stage, the flow control is more accurate and the precision is higher.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a side view of the valve body of the present invention.
In the figure, a valve body-1, a U-shaped sealing strip-2, a flashboard-3, a middle cavity sealing ring-4, a packing gland-5, a bracket-6, a valve rod-7, an automatic driving mechanism-8 and a V-shaped flow passage-9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention provides a technical solution: the utility model provides a V type knife gate valve with wide area flow control characteristic, includes valve body 1, lumen sealing washer 4 and V type runner 9, V type runner 9 has been seted up to the inside of valve body 1, the internally mounted flashboard 3 of valve body 1, the inside fixed connection U type sealing strip 2 of valve body 1, the inside of valve body 1 is equipped with lumen sealing washer 4, the top fixed connection gland 5 of lumen sealing washer 4, the top fixed connection support 6 of valve body 1, valve rod 7 is connected through the mode of inlaying on the upper portion of valve body 1, the bottom fixed connection flashboard 3 of valve rod 7, the automatic actuating mechanism 8 of top installation of support 6.
The V-shaped runner 9 is located at the middle of the valve body 1, the flashboard 3 is arranged on one side of the V-shaped runner 9, and when the initial opening degree of the V-shaped knife gate valve opened from the fully closed position is gradually increased through the special V-shaped runner 9, the flow rate is increased more slowly, the aeration amount can be controlled more accurately, and the function is stronger.
U type sealing strip 2 is located the bottom of flashboard 3, U type sealing strip 2 hugs closely with flashboard 3 and is in the same place, through the U type sealing strip 2 that is equipped with, the reliable sealing performance of valve when realizing totally closing the position.
The support 6 is the symmetric distribution form, the support 6 distributes around valve rod 7, through the support 6 that is equipped with, can play the effect of supporting the bearing, and stability is strong.
The bottom of the automatic driving mechanism 8 is fixedly connected with the valve rod 7, the bottom of the automatic driving mechanism 8 is fixed to the top of the support 6 through the support rod, full-automatic control can be achieved when the valve is closed, the valve is opened and air volume is adjusted through the arranged automatic driving mechanism 8, and the automatic driving mechanism has the advantages of being convenient, efficient and accurate.
The working principle is as follows: the split valve body 1 of the V-shaped knife gate valve with the wide area flow regulation characteristic is fixedly connected through bolts and nuts, and a sealing strip is arranged in a U-shaped groove in the middle of the valve body 1; the gate plate 3 is U-shaped, an inner cavity penetrates through the middle of the two valve bodies 1, two side edges of the gate plate 3 are attached to the rubber surface of the sealing strip to realize sealing, packing is arranged in the middle cavity at the top of the two valve bodies 1, a packing gland 5 is arranged at the top of the packing, and the packing gland 5 is fixed on the valve bodies 1 through bolts; install support 6 through threaded connection on two formula valve bodies 1, automatic actuating mechanism 8 is installed at 6 tops of support, and 7 tops of valve rod are connected in automatic actuating mechanism bottom, and 7 bottoms of valve rod and flashboard 3 are through round pin hub connection, and 1 runner of valve body adopts V type structure simultaneously, and 3 shapes of flashboard then are the U type, when closing the valve: the actuator drives the valve rod 7 to move downwards, the gate plate 3 is pushed into the valve cavity until the gate plate 3 reaches the bottom of the flow channel to press the sealing element, the valve is completely closed at the moment, and water flows on two sides are completely cut off; because the complete symmetry in valve body 1 both sides, no matter which direction is come from to pressure, flashboard 3 and sealing strip all can effectively seal up rivers, and when opening the valve: the valve rod 7 is driven by the actuator to move upwards, the flashboard 3 is pulled out from the valve cavity, along with the upward movement of the flashboard 3, the opening of the valve is increased step by step, the aeration amount is increased step by step until the bottom of the flashboard 3 is higher than the top of the runner hole, at the moment, the knife gate valve is completely opened and is in the condition of the maximum aeration amount, compared with the traditional O-shaped knife gate valve, the V-shaped knife gate valve has the advantages that in a small-flow stage, the opening of the valve with the same stroke is increased slowly, so that the V-shaped knife gate valve can accurately control the medium flow with; in the large-air-volume stage, the V-shaped knife gate valve has similar linear flow characteristics compared with the traditional O-shaped knife gate valve and is completely suitable for accurate aeration, and in the small-flow stage, the V-shaped knife gate valve has superior flow control characteristics compared with the traditional diamond-shaped knife gate valve, but the V-shaped knife gate valve increases with the opening degree, the flow increases more slowly, and the aeration amount can be controlled more accurately; at the valve full open position, compare traditional rhombus knife gate valve, V type knife gate valve can obtain bigger flow area to can provide bigger flow, can be suitable for bigger sewage treatment productivity.
The utility model discloses a valve body 1, U type sealing strip 2, flashboard 3, lumen sealing washer 4, gland 5, support 6, valve rod 7, automatic actuating mechanism 8, V type runner 9, the part is the parts that general standard spare or technical personnel in the field know, and its structure and principle all can be known through the technical manual or through conventional experimental method for this technical personnel, the utility model provides a problem be that traditional knife gate valve is as aeration volume control valve, is used for controlling aeration volume, but because traditional knife gate valve can only provide big tolerance accurate regulation, because general little aperture big air quantity characteristic, to little air quantity demand condition under, can't accurate control air quantity, often cause the mass loss of air quantity, cause manufacturing cost to increase, and increase the oxygen content in the sewage, reduce the treatment effect, the performance is low; the utility model discloses a mutually combined of above-mentioned parts, through optimizing to the valve runner of knife gate valve inside, the better problem of knife gate valve cost when using of having solved, owing to optimize the traditional circular runner of knife gate valve for V type runner 9, so can thoroughly solve the accurate aeration rate problem under the miniature tolerance demand condition, reduce the manufacturing cost of sewage factory by a wide margin, and realized the purpose that improves water quality of water, be applicable to full automation control, have the accurate flow control of wider area, simultaneously through peculiar V type runner 9, when V type knife gate valve opened from the totally-closed position the aperture slowly increases, the flow increases more slowly, can more accurate control aeration rate; and at the valve full-open position, the V-shaped knife gate valve can obtain a larger flow area, so that a larger flow can be provided, the method is suitable for larger sewage treatment capacity, and in a small-flow stage, the flow control is more accurate and the precision is higher.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A V-shaped knife gate valve with wide area flow regulation characteristic which characterized in that: including valve body (1), lumen sealing washer (4) and V type runner (9), V type runner (9) have been seted up to the inside of valve body (1), internally mounted flashboard (3) of valve body (1), inside fixed connection U type sealing strip (2) of valve body (1), the inside of valve body (1) is equipped with lumen sealing washer (4), top fixed connection gland (5) of lumen sealing washer (4), top fixed connection support (6) of valve body (1), valve rod (7) are connected through the mode of inlaying on the upper portion of valve body (1), bottom fixed connection flashboard (3) of valve rod (7), automatic actuating mechanism (8) of top installation of support (6).
2. The V-shaped knife gate valve with wide area flow regulation characteristics of claim 1, wherein: v type runner (9) are located the positive centre department of valve body (1), one side of V type runner (9) is equipped with flashboard (3).
3. The V-shaped knife gate valve with wide area flow regulation characteristics of claim 1, wherein: the U-shaped sealing strip (2) is located at the bottom of the flashboard (3), and the U-shaped sealing strip (2) and the flashboard (3) are tightly attached together.
4. The V-shaped knife gate valve with wide area flow regulation characteristics of claim 1, wherein: the support (6) is in a symmetrical distribution form, and the support (6) is located around the valve rod (7).
5. The V-shaped knife gate valve with wide area flow regulation characteristics of claim 1, wherein: the bottom of the automatic driving mechanism (8) is fixedly connected with the valve rod (7), and the bottom of the automatic driving mechanism (8) is fixed to the top of the support (6) through a support rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922390244.6U CN211082900U (en) | 2019-12-27 | 2019-12-27 | V-shaped knife gate valve with wide area flow regulation characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922390244.6U CN211082900U (en) | 2019-12-27 | 2019-12-27 | V-shaped knife gate valve with wide area flow regulation characteristic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211082900U true CN211082900U (en) | 2020-07-24 |
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ID=71644236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922390244.6U Expired - Fee Related CN211082900U (en) | 2019-12-27 | 2019-12-27 | V-shaped knife gate valve with wide area flow regulation characteristic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211082900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140665A (en) * | 2019-12-27 | 2020-05-12 | 苏州力瑞流体控制设备有限公司 | V-shaped knife gate valve with wide area flow regulation characteristic |
-
2019
- 2019-12-27 CN CN201922390244.6U patent/CN211082900U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140665A (en) * | 2019-12-27 | 2020-05-12 | 苏州力瑞流体控制设备有限公司 | V-shaped knife gate valve with wide area flow regulation characteristic |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200724 |