CN220941275U - Magnetic-attraction type non-return nozzle and spraying system - Google Patents
Magnetic-attraction type non-return nozzle and spraying system Download PDFInfo
- Publication number
- CN220941275U CN220941275U CN202322774628.4U CN202322774628U CN220941275U CN 220941275 U CN220941275 U CN 220941275U CN 202322774628 U CN202322774628 U CN 202322774628U CN 220941275 U CN220941275 U CN 220941275U
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- main body
- nozzle
- dust
- dust cover
- nozzle according
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- 238000005507 spraying Methods 0.000 title claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 69
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003546 flue gas Substances 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000005389 magnetism Effects 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 5
- 238000006477 desulfuration reaction Methods 0.000 abstract description 4
- 230000023556 desulfurization Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 15
- 239000000779 smoke Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The utility model relates to the technical field of desulfurization and denitrification of power plants, and discloses a magnetic non-return nozzle and a spraying system, wherein the nozzle comprises a main body (1), a spraying part (2) connected with the main body (1), and two dust covers (3) hinged to the end parts of the main body (1) respectively, wherein the two dust covers (3) can move between a buckling position and an opening position, in the buckling position, the two dust covers are buckled with each other to form a closed cavity for accommodating the spraying part, a magnet is arranged on a buckling surface (7) of the dust cover, and in the opening position, the two dust covers are separated from each other. Through above-mentioned technical scheme, spray water in the nozzle can dash two dust covers and spray, spray and end the back, two dust covers automatic lock under the interact of magnet, wrap up the blowout portion completely to realize sealed shielding, in can effectively preventing that the nozzle from entering into the nozzle when not spraying flue gas, avoided appearing nozzle jam and flue gas corrosion spraying system's harm.
Description
Technical Field
The utility model relates to the technical field of desulfurization and denitrification of thermal power plants, in particular to a magnetic non-return nozzle and a spraying system.
Background
The desulfurization and denitrification is a conventional environment-friendly project of a thermal power plant, in the desulfurization and denitrification process of the power plant, a nozzle is a common part, the nozzle is arranged in a flue gas pipeline through which flue gas flows, certain dust particles are arranged in the flue gas, the phenomenon that the nozzle is blocked by the flue gas often occurs, meanwhile, the overhaul is complicated and difficult, a scaffold is required to be erected in an original flue for maintenance or replacement, the risk is high, and the overhaul cost is high; and the flue gas also has certain corrosiveness, and if the flue gas enters the spraying system, pipelines of the spraying system can be corroded, so that a great potential safety hazard is brought.
Chinese patent CN201949972U discloses an automatic sealing device for preventing outside dust from blocking up a nozzle, has realized automatic sealing and opening through setting up automatic sealing device, but because spray water can exist impurity, flow in straight pipe section and the pressure transmission return bend that the pipe diameter is less for a long time, can appear straight pipe section and pressure transmission return bend and block up, lead to automatic sealing and the function failure of opening to this automatic sealing device's structure is too complicated, installs the difficulty, and damages easily, is not applicable to the less operating mode of environment.
Disclosure of utility model
The utility model aims to solve the problem that a pipeline is easy to block and has functional failure in the prior art, and provides a magnetic non-return nozzle and a spraying system.
In order to achieve the above object, according to one aspect of the present utility model, there is provided a magnetically attracted non-return nozzle comprising a main body, a discharge portion connected to the main body, and two dust caps hinged to ends of the main body, respectively, the two dust caps being movable between a locking position in which the two dust caps are locked to each other to form a closed cavity accommodating the discharge portion, and an open position in which magnets are provided on locking surfaces of the dust caps, the two dust caps being disengaged from each other.
Optionally, two hinging seats are symmetrically arranged on the end part of the main body, and the upper ends of the two dustproof covers are respectively hinged on the two hinging seats.
Optionally, the inner surface of the dust cover is a smooth curved surface so as to reduce the spraying impact force of the spraying part.
Optionally, the upper end of the dust cover is provided with a semicircular opening, and the two dust covers can be buckled to form a circular opening so as to wrap the outer peripheral surface of the main body.
Optionally, a seal disposed over the semicircular opening is also included.
Optionally, the diameter of the circular opening enclosed by the two seals is smaller than the outer diameter of the body.
Optionally, the hinge seat comprises two hinge plates arranged at intervals, the dust cover is provided with a hinge block, and the hinge block can be inserted between the two hinge plates and hinged through the pin.
Optionally, threads are provided on the outer peripheral surface of the upper end of the main body.
Optionally, a mounting portion is provided on the outer peripheral surface of the main body.
The second aspect of the utility model provides a spraying system, which comprises the magnetic non-return nozzle and the smoke channel, wherein the main body is arranged in the smoke channel perpendicular to the smoke flow direction, and the buckling surface is perpendicular to the smoke flow direction.
Through above-mentioned technical scheme, when the nozzle sprays, the spray water in the nozzle can dash two dust covers open, accomplishes and sprays, and when the nozzle does not spray, two dust covers are automatic lock under the interact of magnet, wrap up the blowout portion completely to realize sealed shielding, can prevent effectively that the nozzle from entering into the nozzle when not spraying in the flue gas, avoided appearing the harm that the nozzle blockked up and flue gas corrodes spraying system.
Drawings
FIG. 1 is a schematic view of a magnetic check nozzle according to an embodiment of the present utility model;
FIG. 2 is a top view of one embodiment of a magnetically attractable check nozzle of the present disclosure;
fig. 3 is a partial enlarged view of one embodiment of the magnetically attractable check nozzle of the present utility model.
Description of the reference numerals
1. The device comprises a main body, 2, a spraying part, 3, a dust cover, 4, a hinge seat, 5, a mounting part, 6, threads, 7, a buckling surface, 8, a sealing piece, 9, a hinge plate, 10, a hinge block, 11 and a pin.
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
In one aspect, the utility model provides a magnetic non-return nozzle, which comprises a main body 1, a spraying part 2 connected to the main body 1, and two dust covers 3 hinged to the end parts of the main body 1 respectively, wherein the two dust covers 3 can move between a buckling position and an opening position, the two dust covers 3 are buckled with each other to form a closed cavity for accommodating the spraying part 2, a magnet is arranged on a buckling surface 7 of the dust cover 3, and the two dust covers 3 are separated from each other in the opening position.
As shown in fig. 1, the main body 1 is formed in a substantially tubular shape, and the ejection portion 2 is provided at the lower end of the main body 1.
When the two dustproof covers 3 are at the buckling position, the two dustproof covers are automatically buckled under the interaction of the magnets, the spraying part 2 can be completely wrapped, so that the sealing shielding is realized, the smoke can be effectively prevented from entering the nozzle when the nozzle is not sprayed, and the nozzle blockage and the harm of smoke corrosion spraying systems are avoided; when the nozzle sprays, spray liquid falls on the internal surface of dust cover 3 in order to strike dust cover 3, the impact force of spray liquid is greater than the suction of magnet for two dust covers 3 remove for main part 1, and two dust covers 3 break away from each other and reach the open position, in order to allow spraying operation, after spraying, two dust covers 3 lock each other once more under the magnetic force effect of magnet, realized the self-closing to blowout part 2, simple structure can greatly reduce the jam of nozzle, prevents even the corruption of spraying system.
Further, two hinging seats 4 are symmetrically arranged on the end part of the main body 1, and the upper ends of the two dustproof covers 3 are respectively hinged on the two hinging seats 4.
The upper end that combines fig. 1 and 2 to show, dust cover 3 is the plane, and dust cover 3 can rotate around the articulated axis of articulated seat 4, and the edge of the up end of dust cover 3 is connected with articulated seat 4, can increase the rotation angle of dust cover 3 to the maximum extent, increases the degree of opening and shutting of two dust covers 3 as far as possible to prevent to appear when dust cover 3 moves to the open position, dust cover 3 can cause the phenomenon that blocks to the shower water, avoids dust cover 3 to influence the spraying effect.
As an alternative embodiment, the inner surface of the dust cover 3 is a smooth curved surface to reduce the spray impact force from the ejection portion 2.
As shown in fig. 1, the spraying liquid sprayed by the spraying part 2 can impact the inner surface of the dust cover 3, so that the inner surface of the dust cover 3 is set to be a smooth curved surface, the dust cover 3 can move up and down due to overlarge impact force of a waterline on the dust cover 3 during spraying, even abrasion and damage are caused, the hinge seat 4 and the hinge structure can be effectively protected, and the service life of the hinge seat is prolonged.
In some embodiments, the upper ends of the dust caps 3 are provided with semicircular openings, and the two dust caps 3 can be snapped to form a circular opening to wrap the outer circumferential surface of the main body 1.
As shown in fig. 2, the semicircular opening is used for avoiding the main body 1, and the diameter of the circular opening formed by the two dust covers 3 is larger than or equal to the outer diameter of the main body 1, so that when the dust covers 3 are at the buckling positions, the upper ends of the dust covers 3 are in clearance fit with the outer peripheral surface of the main body 1, the sealing effect of the dust covers 3 at the buckling positions can be improved, and dust in smoke is prevented from entering the dust covers 3.
Further, the magnetically attractable check nozzle further comprises a seal 8 disposed over the semicircular opening.
As shown in fig. 2, the sealing member 8 is made of rubber, the sealing member 8 is arranged between the semicircular opening and the main body 1, the elasticity of the sealing member 8 can compensate the gap between the circular opening and the main body 1, the tightness of the dust cover 3 is further improved, and smoke is effectively prevented from entering the dust cover 3.
As an embodiment, the diameter of the circular opening enclosed by the two seals 8 is smaller than the outer diameter of the body 1.
As shown in fig. 2, the diameter of the circular opening enclosed by the two sealing elements 8 is smaller than the outer diameter of the main body 1, so that when the dust cover 3 is in the buckling position, the sealing elements 8 are in a compressed state, thereby ensuring no gap between the sealing elements 8 and the main body 1 and realizing complete sealing between the circular opening of the nozzle and the main body 1.
In some embodiments, the hinge base 4 includes two hinge plates 9 spaced apart from each other, and the dust cover 3 is provided with a hinge block 10, and the hinge block 10 can be inserted between the two hinge plates 9 and hinged by a pin 11.
As shown in fig. 3, the hinge plates 9 are provided with first pin holes, the hinge blocks 10 are provided with second pin holes, when the hinge blocks 10 are inserted between the two hinge plates 9, the first pin holes can be aligned with the second pin holes, and then the pins 11 are inserted into the first pin holes and the second pin holes, so that the dust cover 3 and the main body 1 are hinged, the hinge structure is stable, and the installation is convenient.
The upper end outer circumferential surface of the main body 1 is provided with a screw thread 6.
As shown in fig. 1, the flue gas channel is generally provided with a spray opening, the spray opening is provided with internal threads, and the nozzle is installed in the flue gas channel in a threaded manner by utilizing the internal threads on the spray opening through threads 6 on the main body 1, so that the nozzle is convenient to install and detach.
The outer peripheral surface of the main body 1 is provided with a mounting portion 5.
As shown in fig. 1, the outer peripheral surface of the mounting portion 5 has at least one pair of parallel planes, so that the nozzle is easier to be stressed during the mounting process, the nozzle is convenient to mount, and the mounting portion 5 can be configured in a shape of a "nut".
The utility model further provides a spraying system which comprises the magnetic check nozzle and the smoke channel in the technical content, wherein the main body 1 is arranged in the smoke channel perpendicular to the smoke flow direction, and the buckling surface 7 is perpendicular to the smoke flow direction.
The buckling surface 7 forms 90 degrees with the flue gas flowing direction during installation, so that dust particles carried in the flue gas are prevented from causing the dust cover 3 to be sealed untight.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited thereto. Within the scope of the technical idea of the utility model, a number of simple variants of the technical solution of the utility model are possible, which simple variants and combinations should likewise be regarded as being disclosed by the utility model, all falling within the scope of protection of the utility model.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.
Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.
Claims (10)
1. The utility model provides a magnetism is inhaled formula contrary nozzle that ends, its characterized in that includes main part (1), connect in blowout portion (2) of main part (1), and two respectively articulated in dust cover (3) of main part (1) tip, two dust cover (3) can remove between lock position and open position lock each other two dust cover (3) are buckled in order to form and to hold airtight cavity of blowout portion (2), be equipped with magnet on lock face (7) of dust cover (3) open position, two dust cover (3) break away from each other.
2. The magnetic non-return nozzle according to claim 1, wherein two hinge seats (4) are symmetrically arranged on the end portion of the main body (1), and the upper ends of the two dust covers (3) are respectively hinged on the two hinge seats (4).
3. The magnetically attractable check nozzle according to claim 1, wherein the inner surface of the dust cover (3) is a smooth curved surface to reduce the spray impact force from the spray portion (2).
4. The magnetic non-return nozzle according to claim 1, wherein the upper end of the dust caps (3) is provided with a semicircular opening, and two of the dust caps (3) can be buckled to form a circular opening to wrap the outer circumferential surface of the main body (1).
5. The magnetically attractable check nozzle of claim 4 further comprising a seal (8) disposed over the semicircular opening.
6. A magnetically attractable non-return nozzle according to claim 5, characterized in that the diameter of the circular opening enclosed by the two seals (8) is smaller than the outer diameter of the body (1).
7. The magnetic non-return nozzle according to claim 2, wherein the hinge base (4) comprises two hinge plates (9) arranged at intervals, the dust cover (3) is provided with a hinge block (10), and the hinge block (10) can be inserted between the two hinge plates (9) and hinged by a pin (11).
8. The magnetically attractable non-return nozzle according to claim 1, wherein the upper end outer peripheral surface of the main body (1) is provided with a screw thread (6).
9. The magnetically attractable check nozzle according to claim 1, wherein an attachment portion (5) is provided on an outer peripheral surface of the main body (1).
10. A spraying system, characterized by comprising the magnetic non-return nozzle according to any one of claims 1-9 and a flue gas channel, wherein the main body (1) is arranged in the flue gas channel perpendicular to the flow direction of the flue gas, and the buckling surface (7) is perpendicular to the flow direction of the flue gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322774628.4U CN220941275U (en) | 2023-10-16 | 2023-10-16 | Magnetic-attraction type non-return nozzle and spraying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322774628.4U CN220941275U (en) | 2023-10-16 | 2023-10-16 | Magnetic-attraction type non-return nozzle and spraying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220941275U true CN220941275U (en) | 2024-05-14 |
Family
ID=91017376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322774628.4U Active CN220941275U (en) | 2023-10-16 | 2023-10-16 | Magnetic-attraction type non-return nozzle and spraying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220941275U (en) |
-
2023
- 2023-10-16 CN CN202322774628.4U patent/CN220941275U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |