CN102840347A - Vertically installed large high-temperature isolating gate valve for cement industry - Google Patents
Vertically installed large high-temperature isolating gate valve for cement industry Download PDFInfo
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- CN102840347A CN102840347A CN 201110171133 CN201110171133A CN102840347A CN 102840347 A CN102840347 A CN 102840347A CN 201110171133 CN201110171133 CN 201110171133 CN 201110171133 A CN201110171133 A CN 201110171133A CN 102840347 A CN102840347 A CN 102840347A
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Abstract
The invention discloses a vertically installed large high-temperature isolating gate valve for the cement industry, which comprises a valve body, an inner guide, a valve plate, an upper frame, an outer sealing component, an outer guiding component, pin teeth, a pin gear, a self aligning ball bearing and a pin tooth guiding component. The inner guide is arranged on the inner wall of the valve body; the outer sealing component is installed on the valve body; the valve plate is inserted in the valve body; the outer guiding component is installed on the upper frame; a chain wheel, the self aligning ball bearing and the pin tooth guiding component are installed at the top of the upper frame; and the pin teeth are connected with the valve plate through a hinge pin. The isolating gate valve not only keeps the advantage that gears and racks are stable and reliable in transmission, but also is convenient to machine and low in cost.
Description
Technical field
The present invention relates to a kind of gate valve, be specifically related to a kind of cement industry and cut off gate valve with the vertical large high-temperature of installing.
Background technique
At 700 ℃～900 ℃, external sealed requires very high cement industry with the operating ambient temperature of gate valve, and internal leakage is very little; Bore big (generally more than 3000mm), stroke long (generally more than 2800mm), as adopt general wire rope transmission or loop chain; The valve plate bumpy motion; Lose easily and steadily cause jam, and can only lean on when closing the valve plate deadweight to move downward, close the power deficiency; And adopt gear, tooth bar transmission can reach job requirement, and but gear, tooth bar required precision are very high, and long tooth bar is difficult for processing, cost is too high; Because of the too high valve plate easy deformation of temperature, generally adopt high temperature resistant nonmetallic material cast valve plate, the gap is bigger all around in valve body for surface irregularity, valve plate, and internal leakage is very big, can't satisfy low internal leakage requirement.The at present domestic cost performance height, reliable transmission, external sealed of lacking is effective, such valve of low internal leakage.
Summary of the invention
The objective of the invention is in order to solve the deficiency of existing technology, provide effective, the low internal leakage of a kind of external sealed, high temperature resistant, reliable transmission, cement industry easy to maintenance, that cost performance is high to cut off gate valve with the vertical large high-temperature of installing.
Technological scheme of the present invention is: a kind of cement industry is cut off gate valve with the vertical large high-temperature of installing; Comprise valve body, interior guiding, valve plate, upper spider, external sealed parts, outer guide element, pin tooth, pin gear, selfaligning ball bearing and pin tooth guide element; Said valve interior wall is provided with interior guiding; The external sealed parts are installed on the valve body, and said valve plate inserts in the valve body, and outer guide element is installed on the said upper spider; The top of upper spider is equipped with sprocket wheel, selfaligning ball bearing and pin tooth guide element, is connected through bearing pin between said pin tooth and the valve plate.
As preferably, said pin tooth is to be installed by many alloyed steel bearing pins and two blocks of side plates to form.
As preferably, said external sealed parts are made up of sealing seat, sealing gland, stuffing box packing, and stuffing box packing is the Expanded graphite braided packing of rope form square-section, good seal performance.
As preferably, for preventing box-type valve plate air pressure inside to be raise, produce and expand because of operating temperature is high, cause the valve plate distortion to work, said valve plate side top has air outlet hole, makes the valve plate distortion very little.
Said valve interior wall has watered wear-resisting, high temperature resistant pouring material, the usability and the working life of the valve body that improves greatly.Selfaligning ball bearing is adopted in supporting, and the support loading ability is strong, aligning flexible, the deformability of compensating shaft is strong.Valve plate is for to make inner keel with refractory metal material, and surface refractory is wear-resistant, and stainless steel covers system, forms the box-type valve plate, and intensity is high.Valve plate moves along interior guiding and outer guide element in the course of the work, does not directly contact with valve body, and it is little to rub, do not wear and tear, so the valve plate long service life.Interior guiding is processed U type guide rail with high temperature resistant stainless steel; Be installed in valve interior wall, the interval between itself and valve plate is very little, and valve plate closes when putting in place; Pressure medium promotes valve plate and fit in the guide rail side, thereby eliminates the internal leakage that gap excessive between valve plate and guide rail reduces valve.The transmission of said pin tooth is to drive the pin tooth by pin gear to move up and down along pin tooth guide element, makes the valve plate opening and closing.
Beneficial effect of the present invention: 1, both kept gear, tooth bar biography stable drive, reliable advantage, simultaneously easy to process, cost is low; 2, the joint shaft bearing aligning is flexible; 3, wearing and tearing are little between valve plate and the valve body; 4, external sealed is effective, and it is high temperature resistant, can reach 700～900 ℃; 5, low internal leakage can reach little by 1%.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the enlarged view at A place among Fig. 1;
Fig. 4 is the enlarged view at B place among Fig. 2.
Embodiment
Be described further below in conjunction with the accompanying drawing specific embodiments of the invention:
Like Fig. 1,2,3 with shown in 4: a kind of cement industry is cut off gate valve with vertical installation large high-temperature; Comprise valve body 1, interior guiding 2, valve plate 3, upper spider 4, external sealed parts 5, outer guide element 6, pin tooth 7, pin gear 8, selfaligning ball bearing 9 and pin tooth guide element 10; Guiding 2 in said valve body 1 inwall is provided with; External sealed parts 5 are installed on the valve body 1, and said valve plate 3 inserts in the valve body 1, and outer guide element 6 is installed on the said upper spider 4; The top of upper spider 4 is equipped with sprocket wheel 8, selfaligning ball bearing 9 and pin tooth guide element 10, is connected through bearing pin between said pin tooth 7 and the valve plate 3.
Said pin tooth 7 is to be installed by many alloyed steel bearing pins and two blocks of side plates to form.Said external sealed parts 5 are made up of sealing seat, sealing gland, stuffing box packing, and stuffing box packing is the Expanded graphite braided packing of rope form square-section.Said valve plate 3 side top have air outlet hole 11.
Claims (4)
1. a cement industry is cut off gate valve with the vertical large high-temperature of installing; It is characterized in that: comprise valve body (1), interior guiding (2), valve plate (3), upper spider (4), external sealed parts (5), outer guide element (6), pin tooth (7), pin gear (8), selfaligning ball bearing (9) and pin tooth guide element (10); Said valve body (1) inwall is provided with interior guiding (2); External sealed parts (5) are installed on the valve body (1); Said valve plate (3) inserts in the valve body (1); Outer guide element (6) is installed on the said upper spider (4), and the top of upper spider (4) is equipped with sprocket wheel (8), selfaligning ball bearing (9) and pin tooth guide element (10), is connected through bearing pin between said pin tooth (7) and the valve plate (3).
2. cement industry according to claim 1 is cut off gate valve with the vertical large high-temperature of installing, and it is characterized in that: said pin tooth (7) is to be installed by many alloyed steel bearing pins and two blocks of side plates to form.
3. cement industry according to claim 1 is cut off gate valve with the vertical large high-temperature of installing; It is characterized in that: said external sealed parts (5) are made up of sealing seat, sealing gland, stuffing box packing, and stuffing box packing is the Expanded graphite braided packing of rope form square-section.
4. cement industry according to claim 1 is cut off gate valve with the vertical large high-temperature of installing, and it is characterized in that: said valve plate (3) side top has air outlet hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110171133 CN102840347A (en) | 2011-06-23 | 2011-06-23 | Vertically installed large high-temperature isolating gate valve for cement industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110171133 CN102840347A (en) | 2011-06-23 | 2011-06-23 | Vertically installed large high-temperature isolating gate valve for cement industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102840347A true CN102840347A (en) | 2012-12-26 |
Family
ID=47367973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110171133 Pending CN102840347A (en) | 2011-06-23 | 2011-06-23 | Vertically installed large high-temperature isolating gate valve for cement industry |
Country Status (1)
| Country | Link |
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| CN (1) | CN102840347A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197019A (en) * | 2020-10-15 | 2021-01-08 | 凯斯通环保设备有限公司 | High-temperature-resistant large-caliber electric gate valve |
-
2011
- 2011-06-23 CN CN 201110171133 patent/CN102840347A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197019A (en) * | 2020-10-15 | 2021-01-08 | 凯斯通环保设备有限公司 | High-temperature-resistant large-caliber electric gate valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121226 |