CN212882921U - Novel coal mill inlet guide plate - Google Patents
Novel coal mill inlet guide plate Download PDFInfo
- Publication number
- CN212882921U CN212882921U CN202021183567.4U CN202021183567U CN212882921U CN 212882921 U CN212882921 U CN 212882921U CN 202021183567 U CN202021183567 U CN 202021183567U CN 212882921 U CN212882921 U CN 212882921U
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- China
- Prior art keywords
- fixedly connected
- wind
- threaded rod
- guide plate
- connecting rod
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- Expired - Fee Related
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- 239000003245 coal Substances 0.000 title claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims abstract description 18
- 239000011324 bead Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 15
- 239000002893 slag Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 8
- 239000003818 cinder Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
The utility model discloses a novel coal pulverizer entry guide plate, including a plenum, plenum one side welded connection has the inlet duct way, and the wind ring is installed on its a plenum top, and wind ring top fixedly connected with export, inlet duct internally mounted has wind direction adjustment mechanism, and wind direction adjustment mechanism is inside including the connecting rod of inlet duct internal weld connection, two lantern rings have been cup jointed in the activity of connecting rod surface, and its lantern ring opposite side is fixedly connected with deep bead respectively. The utility model discloses in, under wind direction adjustment mechanism's effect, through rotating T type threaded rod, can make the extrusion stem of low side rotate the extrusion deep bead, the pulling force of the first reset spring of cooperation can make its two deep beads pass through the lantern ring and rotate on the connecting rod, adjusts installation angle, can make the wind direction from both sides air inlet, forms low-pressure area in a plenum, and changes row's cinder notch position, and row's cinder notch is located the air intake entry, improves the amount of wind.
Description
Technical Field
The utility model relates to a coal pulverizer equipment technical field especially relates to a novel coal pulverizer entry guide plate.
Background
The coal mill is a machine for crushing and grinding coal briquettes into coal powder, is an important auxiliary device of a coal powder furnace, and comprises a vertical mill, a high-pressure suspension roller mill, a medium-speed micro-mill, an overpressure trapezoidal mill, a Raymond mill and the like.
The existing coal mill inlet guide plate has the advantages that in the using process, the far end of an air inlet forms a collision low-pressure area, the output of a coal mill is influenced, and the guide plate in the device cannot be flexibly adjusted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving current coal pulverizer entry guide plate, at the in-process that its used, the air intake distal end forms the low pressure region of collision, influences the coal pulverizer and exerts power, and the shortcoming of nimble regulation can't be carried out to the guide plate in the device, and the neotype coal pulverizer entry guide plate that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel coal mill inlet guide plate comprises a primary air chamber, wherein one side of the primary air chamber is welded with an air inlet pipeline, the top end of the primary air chamber is provided with an air ring, the top end of the air ring is fixedly connected with an outlet, the interior of the air inlet pipeline is provided with a wind direction adjusting mechanism, the interior of the wind direction adjusting mechanism comprises a connecting rod which is welded and connected with the interior of the air inlet pipeline, the surface of the connecting rod is movably sleeved with two lantern rings, the other side of the lantern ring is respectively and fixedly connected with a wind shield, a first reset spring is fixedly connected between the two wind shields, a guide pipe is embedded and penetrated at the top end of the air inlet pipeline, a T-shaped threaded rod is in threaded connection with the interior of the guide pipe, an extrusion rod is fixedly connected at the bottom end of the T-shaped threaded rod, the extrusion rod is movably connected with the wind shield, the extrusion rod, and a sealing mechanism is arranged on one side of the air inlet pipeline.
As a further description of the above technical solution:
the bottom end of the inner wall of the primary air chamber is provided with a slag discharge port, the slag discharge port is parallel and opposite to the connecting rod, and the wind shield and the connecting rod form a rotating structure through a lantern ring.
As a further description of the above technical solution:
the fixing mechanism is internally provided with a second reset spring fixedly connected with the upper end of the T-shaped threaded rod, the bottom end of the second reset spring is fixedly connected with a pressing plate, the top end of the T-shaped threaded rod is in threaded connection with two hand-screwed bolts, and the hand-screwed bolts are movably connected with the pressing plate.
As a further description of the above technical solution:
the pressing plate is movably connected with the air inlet pipeline, and the pressing plate and the T-shaped threaded rod form an elastic telescopic structure through a second reset spring.
As a further description of the above technical solution:
the sealing mechanism is internally provided with a sealing plate movably sleeved at the top end of the air inlet pipeline, grooves are formed in two sides of the sealing plate, a third reset spring is fixedly connected inside each groove, and a rubber block is fixedly connected to the other side of the third reset spring.
As a further description of the above technical solution:
the rubber block is movably connected with the interior of the air inlet pipeline, and the rubber block and the groove form an elastic telescopic structure through a third reset spring.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, under wind direction adjustment mechanism's effect, through rotating T type threaded rod, can make the extrusion stem of low side rotate the extrusion deep bead, the pulling force of the first reset spring of cooperation can make its two deep beads pass through the lantern ring and rotate on the connecting rod, adjusts installation angle, can make the wind direction from both sides air inlet, forms low-pressure area in a plenum, and changes row's cinder notch position, and row's cinder notch is located the air intake entry, improves the amount of wind.
2. The utility model discloses in, under fixed establishment's effect, twist the bolt through the rotation hand, can drive the clamp plate and move the crowded wind pipeline of impressing downwards, can fix T type threaded rod extrusion, prevent that the wind pipeline from taking place to rotate when the air inlet, the angle that causes the deep bead changes.
3. The utility model discloses in, under sealing mechanism's effect, when the device breaks down and need overhaul, insert the closing plate in the inlet duct, can be quick seal in its inlet duct, extrude the block rubber through third reset spring, can prevent to produce the gap between closing plate and the inlet duct.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the side view of the wind direction adjusting mechanism of the present invention;
fig. 3 is a schematic structural view of the wind direction adjusting mechanism in the present invention;
fig. 4 is a schematic structural view of the fixing mechanism of the present invention;
fig. 5 is a schematic structural diagram of the side view of the middle sealing mechanism of the present invention.
Illustration of the drawings: 1. a primary air chamber; 2. an air inlet duct; 3. a wind ring; 4. an outlet; 5. a slag discharge port; 6. a wind direction adjusting mechanism; 601. a connecting rod; 602. a collar; 603. a wind deflector; 604. a first return spring; 605. a guide tube; 606. a T-shaped threaded rod; 607. an extrusion stem; 7. a fixing mechanism; 701. a second return spring; 702. pressing a plate; 703. screwing the bolt by hand; 8. a sealing mechanism; 801. a sealing plate; 802. a groove; 803. a third return spring; 804. a rubber block.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, a novel coal mill inlet guide plate comprises a primary air chamber 1, an air inlet pipeline 2 is welded and connected to one side of the primary air chamber 1, an air ring 3 is installed at the top end of the primary air chamber 1, an outlet 4 is fixedly connected to the top end of the air ring 3, a wind direction adjusting mechanism 6 is installed inside the air inlet pipeline 2, the wind direction adjusting mechanism 6 includes a connecting rod 601 welded and connected inside the air inlet pipeline 2, two collars 602 are movably sleeved on the surface of the connecting rod 601, wind shields 603 are respectively fixedly connected to the other side of the collars 602, a first return spring 604 is fixedly connected between the two wind shields 603, a guide pipe 605 is inserted and penetrated through the top end of the air inlet pipeline 2, a T-shaped threaded rod 606 is connected inside the guide pipe 605 by screw threads, an extrusion rod 607 is fixedly connected to the bottom end of the T-shaped threaded rod 606, the extrusion rod 607 is movably connected to the wind shields 603, and, install fixed establishment 7 between T type threaded rod 606 and the income wind pipeline 2, sealing mechanism 8 is installed to income wind pipeline 2 one side, and the guide plate that adds 700mm length is experimental, and when guide plate length was 700mm, discovery "junction" obviously moves 5 check down, explains 700mm long term, has strengthened the water conservancy diversion effect of guide plate, and length adapts to this engineering simultaneously. According to the arc line of the primary air chamber and the primary air port, a 40-degree inclined plate suitable for the engineering is adopted. As can be seen from FIG. 5, when the 40 degree guide plates are used, the static pressure and velocity distribution at the opposite side of the primary tuyere are more uniform, which illustrates that the 40 degree guide plates are uniformly distributed, thereby reducing turbulence and reflux and enhancing the guide effect.
Furthermore, a slag discharge port 5 is formed in the bottom end of the inner wall of the primary air chamber 1, the slag discharge port 5 is parallel and opposite to the connecting rod 601, the air baffle 603 forms a rotating structure with the connecting rod 601 through a lantern ring 602, and the installation angle of the air baffle 603 can be flexibly changed.
Further, the fixing mechanism 7 is internally provided with a second return spring 701 fixedly connected with the upper end of the T-shaped threaded rod 606, the bottom end of the second return spring 701 is fixedly connected with a pressing plate 702, the top end of the T-shaped threaded rod 606 is in threaded connection with two hand-screwed bolts 703, the hand-screwed bolts 703 are movably connected with the pressing plate 702, and the pressing plate 702 can be moved up and down by rotating the hand-screwed bolts 703.
Further, the pressing plate 702 is movably connected with the air inlet pipeline 2, the pressing plate 702 and the T-shaped threaded rod 606 form an elastic telescopic structure through a second return spring 701, and the T-shaped threaded rod 606 can be fixed through extrusion of the pressing plate 702.
Further, sealing mechanism 8 is inside including the closing plate 801 that the activity of inlet duct 2 top cup jointed, and closing plate 801 both sides are seted up fluted 802, the inside fixedly connected with third reset spring 803 of flute 802, and third reset spring 803 opposite side fixedly connected with rubber block 804, and closing plate 801 always sets up the state for cup jointing the department of seting up on inlet duct 2 top, closing plate 801 bottom and inlet duct 2 inner wall top contact.
Further, the rubber block 804 and the inside swing joint of inlet duct 2, and the rubber block 804 constitutes elastic telescopic structure through third reset spring 803 and recess 802, can be quick through closing plate 801 hinder the wind and pass through inlet duct 2.
The working principle is as follows: when the device is used, firstly, the T-shaped threaded rod 606 rotates in the guide pipe 605 to drive the extrusion rod 607 at the lower end to rotate, the extrusion rod 607 rotates to extrude the wind shield 603, the wind shield 603 rotates on the surface of the connecting rod 601 through the lantern ring 602 and expands outwards, the two wind shields 603 can be pulled to rotate relatively through the preset first return spring 604, so that the extrusion rod 607 expands the wind shield 603, the wind enters from two sides after being adjusted to a proper angle, a low-pressure area is formed in the primary wind chamber 1, the hand-screwed bolt 703 is manually rotated, the hand-screwed bolt 703 drives the pressure plate 702 to move downwards and extrude the top end of the wind pipeline 2 to extrude and fix the T-shaped threaded rod 606, when the device fails, the stranded wind needs to be quickly cut off, the sealing plate 801 is manually inserted into the wind pipeline 2 to enter the blocking style of the wind pipeline 2, extrude the rubber piece 804 laminating inlet duct 2 inner wall through predetermined third reset spring 803, can make it go into the interior seal of air duct 2, just so accomplished the utility model discloses an operating principle.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A novel coal mill inlet guide plate comprises a primary air chamber (1) and is characterized in that one side of the primary air chamber (1) is connected with an air inlet pipeline (2) in a welding mode, an air ring (3) is installed at the top end of the primary air chamber (1), an outlet (4) is fixedly connected to the top end of the air ring (3), an air direction adjusting mechanism (6) is installed inside the air inlet pipeline (2), a connecting rod (601) which is connected with the air inlet pipeline (2) in a welding mode is arranged inside the air direction adjusting mechanism (6), two lantern rings (602) are movably sleeved on the surface of the connecting rod (601), the other side of each lantern ring (602) is fixedly connected with a wind shield (603) respectively, a first reset spring (604) is fixedly connected between the two wind shields (603), a guide pipe (605) penetrates through the top end of the air inlet pipeline (2), and a T-shaped threaded rod (606) is connected inside the, and T type threaded rod (606) bottom fixedly connected with extrusion stem (607), extrusion stem (607) and deep bead (603) swing joint, and extrusion stem (607) constitute revolution mechanic through T type threaded rod (606) and stand pipe (605), install fixed establishment (7) between T type threaded rod (606) and income wind pipeline (2), sealing mechanism (8) are installed to income wind pipeline (2) one side.
2. The novel coal mill inlet guide plate as claimed in claim 1, wherein a slag discharge port (5) is formed at the bottom end of the inner wall of the primary air chamber (1), the slag discharge port (5) is parallel and opposite to the connecting rod (601), and the wind shield (603) and the connecting rod (601) form a rotating structure through a lantern ring (602).
3. The novel coal mill inlet guide plate as claimed in claim 1, wherein the fixing mechanism (7) internally comprises a second return spring (701) fixedly connected with the upper end of a T-shaped threaded rod (606), a pressing plate (702) is fixedly connected with the bottom end of the second return spring (701), two hand-screwed bolts (703) are connected with the top end of the T-shaped threaded rod (606) in a threaded manner, and the hand-screwed bolts (703) are movably connected with the pressing plate (702).
4. The novel inlet guide plate for the coal mill as claimed in claim 3, wherein the pressure plate (702) is movably connected with the air inlet pipeline (2), and the pressure plate (702) and the T-shaped threaded rod (606) form an elastic telescopic structure through a second return spring (701).
5. The novel coal mill inlet guide plate as claimed in claim 1, wherein the sealing mechanism (8) includes a sealing plate (801) movably sleeved at the top end of the air inlet pipeline (2), grooves (802) are formed on two sides of the sealing plate (801), a third return spring (803) is fixedly connected to the inside of each groove (802), and a rubber block (804) is fixedly connected to the other side of each third return spring (803).
6. The novel inlet flow guide plate for the coal mill is characterized in that the rubber block (804) is movably connected with the interior of the air inlet pipeline (2), and the rubber block (804) and the groove (802) form an elastic telescopic structure through a third return spring (803).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021183567.4U CN212882921U (en) | 2020-06-23 | 2020-06-23 | Novel coal mill inlet guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021183567.4U CN212882921U (en) | 2020-06-23 | 2020-06-23 | Novel coal mill inlet guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212882921U true CN212882921U (en) | 2021-04-06 |
Family
ID=75279722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021183567.4U Expired - Fee Related CN212882921U (en) | 2020-06-23 | 2020-06-23 | Novel coal mill inlet guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212882921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114985092A (en) * | 2022-05-30 | 2022-09-02 | 安徽玉龙电力科技有限公司 | Be applied to drainage structure on coal pulverizer |
-
2020
- 2020-06-23 CN CN202021183567.4U patent/CN212882921U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114985092A (en) * | 2022-05-30 | 2022-09-02 | 安徽玉龙电力科技有限公司 | Be applied to drainage structure on coal pulverizer |
| CN114985092B (en) * | 2022-05-30 | 2023-08-18 | 安徽玉龙电力科技有限公司 | Be applied to drainage structure on coal pulverizer |
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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: 20210406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |