CN212456904U - Small hydraulic ash remover - Google Patents
Small hydraulic ash remover Download PDFInfo
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- CN212456904U CN212456904U CN202020934034.9U CN202020934034U CN212456904U CN 212456904 U CN212456904 U CN 212456904U CN 202020934034 U CN202020934034 U CN 202020934034U CN 212456904 U CN212456904 U CN 212456904U
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Abstract
The utility model belongs to the technical field of ash removal from a combustion chamber, in particular to a small hydraulic ash and slag removal device, which comprises a spray gun body, wherein the spray gun body comprises a gun body, an outer cylinder body and a water inlet pipe; the outer cylinder comprises a cylinder body, an installation flange and a drift diameter flange, wherein the installation flange is welded at one end of the cylinder body, and the drift diameter flange is welded at the other end of the cylinder body; a compression spring is arranged in the cylinder, one end of the compression spring is abutted to the mounting flange, and the other end of the compression spring is provided with a piston; the water inlet pipe comprises a pipe body and an end side flange, and the pipe body is connected with the end side flange in a welding way; the gun body passes through the center of the mounting flange and is connected with the piston, so that the gun body is connected with the outer cylinder to form a needle cylinder type structure, and the drift diameter flange is connected with the end side flange through the rubber ring sealing bolt so that the outer cylinder is connected with the water inlet pipe. The utility model discloses the rivers that spray cover the water-cooling wall wide range, and rivers are even, and trajectory control is accurate, and the slagging-off is efficient, is safe and reliable, ripe boiler slagging-off, decoking device.
Description
Technical Field
The utility model belongs to the technical field of clear away the ash from the combustion chamber, especially, relate to a small-size fluid pressure type water conservancy ash removal sediment device.
Background
The ash or coke accumulated on the heating surface of the water-cooled wall of the boiler can influence the heat transfer effect, the exhaust gas temperature is increased, the boiler efficiency is reduced, and the pipe explosion accident of the superheater can be caused in severe cases. The hydraulic soot blower uses high-pressure water as a medium, and the water flow impacts on ash sediment on the surface of a water wall tube to promote the ash adhered on the heating surface of the water wall to be removed due to quenching, brittle fracture and loosening.
At present, a motor is adopted for driving a speed reducer gear (or a chain) of a hydraulic soot blower, the hydraulic soot blower is driven to operate by a control switch of a program control system, and the hydraulic soot blower is in a high-temperature working environment and has complex structural design, so that the defects of jamming and the like of a transmission part of equipment frequently occur, and the maintenance workload is large; the installation area of the hydraulic soot blower is limited and inconvenient to install due to the influence of the large size of the equipment; the investment of the remote-range hydraulic soot blower is easy to cause damage to a water wall pipe and the occurrence of low-load fire extinguishing events of a boiler, and most of thermal power plants stop using the existing thermal power plants.
SUMMERY OF THE UTILITY MODEL
The utility model provides a lime-ash device is removed to small-size fluid pressure type water conservancy, aim at provide one kind and do not need electric drive, penetrate water flow and angularly adjustable and wide water conservancy of spray regime and remove lime-ash device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a small hydraulic ash slag removing device comprises a spray gun body, wherein the spray gun body comprises a gun body, an outer cylinder and a water inlet pipe;
the outer cylinder comprises a cylinder body, an installation flange and a drift diameter flange, wherein the installation flange is welded at one end of the cylinder body, and the drift diameter flange is welded at the other end of the cylinder body; a compression spring is arranged in the cylinder, one end of the compression spring is abutted to the mounting flange, and the other end of the compression spring is provided with a piston;
the gun body comprises a gun head, a gun barrel and an annular flow deflector, the gun head is connected with the gun barrel through threads, a nozzle is arranged on the gun head, and the annular flow deflector is arranged above the nozzle through threaded connection;
the water inlet pipe comprises a pipe body and an end side flange, and the pipe body is connected with the end side flange in a welding way;
the gun body penetrates through the center of the mounting flange and is connected with the piston, so that the gun body is connected with the outer cylinder to form a needle cylinder type structure, and the drift diameter flange is connected with the end side flange through the rubber ring sealing bolt so that the outer cylinder is connected with the water inlet pipe;
after high-pressure water is input into the outer cylinder through the water inlet pipe, the piston in the outer cylinder drives the compression spring to perform the throwing and withdrawing movement, the high-pressure water is sprayed out from the nozzle, and the annular flow deflector is used for controlling the spraying angle of the nozzle to wash the water-cooled wall.
Further, the wall body sealing flange sleeve further comprises a sealing box, a wall body sealing sleeve and a positioning flange, the mounting flange is connected with the positioning flange through a screw column, the positioning flange is further connected with the sealing box through a screw column, the sealing box is arranged on the water-cooled wall, one end of the wall body sealing sleeve is inserted into the sealing box through an opening of the sealing box and is connected with a bolt on the sealing box, and the other end of the wall body sealing sleeve is welded on the positioning flange.
Furthermore, 4 screw columns are respectively connected with the mounting flange and the positioning flange and then fixed through bolts.
Furthermore, a pressure relief hole is formed in the mounting flange.
Furthermore, a sealing ring is arranged on the piston.
Further, the gun body also comprises a locking nut which is arranged on the back side of the annular flow deflector and used for locking the position of the annular flow deflector.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model combines the gun body, the outer cylinder body and the water inlet pipe into a needle cylinder structure, a compression spring is arranged in the outer cylinder body, one end of the compression spring is abutted against the mounting flange of the outer cylinder body, the other end is provided with a piston, the piston is controlled by high-pressure water and a compression spring to drive the gun body to automatically perform the throwing and withdrawing movement, according to the requirement of the ash residue removing range, the gun head of the gun body is provided with a nozzle, an annular guide plate is arranged above the nozzle and controls the water spraying flow and the purging angle in the nozzle, so that the diameter range of the spraying is controlled to be 3m-7m, water flow impacts ash slag or coking deposits on a water-cooled wall, the deposits are gathered and cooled, and great temperature stress burst and brittle fracture are generated, in addition, continuous water flow or vaporized steam can permeate into gaps of the slag and the coke, and the slag and the coke are continuously vaporized and evaporated, so that the slag and the coke are loosened and fall off from a water-cooled wall.
The utility model discloses a seal box, wall body seal sleeve and flange setting are on the water-cooling wall. The mounting flange is connected with the positioning flange through a screw post, the positioning flange is further connected with the sealing box through the screw post, the sealing box is arranged on the water-cooled wall, the sealing box is provided with bolts, one end of the wall sealing sleeve is inserted into the sealing box and connected with the bolts on the sealing box, and the other end of the wall sealing sleeve is welded on the positioning flange. The device sprays water flow to cover the water-cooled wall wide range, and rivers are even, and the orbit control is accurate, and is little to furnace burning and water-cooled wall temperature influence, and the slagging-off is efficient, is safe and reliable, ripe boiler slagging-off, decoking device.
Drawings
FIG. 1 is a schematic view of a gun body structure of a small hydraulic ash and slag removing device;
FIG. 2 is a schematic diagram of a piston structure of a small hydraulic ash and slag removing device;
FIG. 3 is a schematic diagram of a spring structure of a small hydraulic ash and slag removing device;
FIG. 4 is a structural diagram of an outer cylinder of the small hydraulic ash and slag removing device;
FIG. 5 is a schematic view of the overall structure of a small hydraulic ash and slag removing device;
FIG. 6 is a schematic view of a flange sleeve structure of a wall body sealing of a small hydraulic ash removing device;
FIG. 7 is an installation schematic diagram of a small hydraulic ash and slag removing device;
fig. 8 is a schematic view of the spraying principle of the small hydraulic ash and slag removing device.
Wherein: 1-gun body; 2-installing a flange; 3-compression spring; 4-outer cylinder; 5-water inlet pipe; 6-a piston; 7-gun head; 8-a barrel; 9-annular flow deflectors; 10-locking a nut; 11-a nozzle; 12-a cylinder body; 13-a drift diameter flange; 14-a tube body; 15-end side flanges; 16-a sealed box; 17-wall sealing sleeve; 18-a positioning flange; 19-a sealing ring; 20-pressure relief hole.
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.
The following is example 1 of the present invention:
a small hydraulic ash slag removing device comprises a spray gun body, wherein the spray gun body comprises a gun body 1, an outer cylinder body 4 and a water inlet pipe 5.
As shown in fig. 1, the gun body 1 includes a gun head 7, a gun barrel 8 and an annular flow deflector 9, the gun head 7 is connected with the gun barrel 8 through a thread, a nozzle 11 is arranged on the gun head 7, the annular flow deflector 9 is arranged above the nozzle 11 through a thread connection, the annular flow deflector 9 is used for controlling the angle of water blown from the nozzle 11, and the back side of the annular flow deflector 9 is provided with a nozzle hole
As shown in fig. 2, 3, 4 and 5, the outer cylinder 4 comprises a cylinder 12, an installation flange 2 and a drift diameter flange 13, wherein the installation flange 2 is welded at one end of the cylinder 12, and the drift diameter flange 13 is welded at the other end of the cylinder; a compression spring 3 is arranged in the cylinder 12, one end of the compression spring 3 is abutted to the mounting flange 2, and a piston 6 is arranged at the other end of the compression spring. The water inlet pipe 5 comprises a pipe body 14 and an end side flange 15, and the pipe body 14 is connected with the end side flange 15 in a welding mode. The gun body 1 penetrates through the center of the mounting flange 2 to be connected with the piston 6, so that the gun body 1 is connected with the outer cylinder body 4 to form a needle cylinder type structure, the drift diameter flange 13 is connected with the end side flange 15 through a rubber ring sealing bolt, and the outer cylinder body 4 is connected with the water inlet pipe 5.
As shown in fig. 6 and 7, the small hydraulic ash removing device further comprises a wall sealing flange sleeve, the wall sealing flange sleeve is used for fixing the spray gun body on the water-cooled wall, the wall sealing flange sleeve comprises a sealing box 16, a wall sealing sleeve 17 and a positioning flange 18, the mounting flange 2 is connected with the positioning flange 18 through a screw column, the positioning flange 18 is connected with the sealing box 16 through another screw column, the sealing box 16 is arranged on the water-cooled wall, one end of the wall sealing sleeve 17 is inserted into the sealing box 16 through an opening of the sealing box 16 and connected with a bolt on the sealing box 16, and the other end of the wall sealing sleeve 17 is welded on the positioning flange 18.
The using method comprises the following steps:
firstly, mounting a wall body sealing flange sleeve on a water-cooled wall;
secondly, a compression spring 3 is arranged in the outer cylinder 4, the gun body 1 and the piston are welded into a whole and inserted into the outer cylinder 4 from the drift diameter flange, and the outer cylinder 4 and the water inlet pipe 5 are connected together through the drift diameter flange 13 and the end side flange 15;
the position of the annular flow deflector is locked by a nut, and the assembly of the small hydraulic ash and slag removing device is completed;
dismantling a fire observation hole door on the outer wall of the hearth, installing a wall body sealing flange sleeve, locking a bolt, and connecting the small hydraulic ash and slag removing device on the water-cooled wall through a screw column;
connecting a tap water pipe with a water inlet pipe by using a double-end metal hose to ensure the operation condition of the small hydraulic ash and slag removing device;
sixthly, as shown in figure 8, the automatic throwing and withdrawing movement of the hydraulic gun body is controlled by adjusting the water pressure and the compression spring quantity according to the piston principle, the small hydraulic ash slag removing device adopts left and right working media of industrial water, utilizes a soot blowing water pump to improve the pressure of the industrial water, opens a water supply electromagnetic valve, high-pressure industrial water enters a sleeve, a piston drives a gun body to throw into the water-cooled wall of a hearth under the pushing of the pressure, according to the refraction principle, high-pressure water is jetted by a gun head nozzle and then collides with an annular flow deflector to be refracted into a fan-shaped water curtain, and is uniformly jetted to ash residues or coking deposits hung on a heating surface of a wall body of a water-cooled wall to rapidly cool the deposits, according to the principle of quenching and brittle fracture of an object, the slag removal effect is achieved, the water supply electromagnetic valve is closed, water supply is stopped, pressure loss is achieved, the barrel is restored to the original position through the resilience force of the compression spring in the sleeve, and the hydraulic soot blowing process is completed.
As a further option of this embodiment, in order to prevent the occurrence of an air lock phenomenon in the sleeve, a pressure relief hole is formed in the mounting flange.
As a further option of this embodiment, in order to prevent air leakage at the joint of the sealing flange sleeve of the outer wall of the furnace chamber and the hydraulic ash removal device, the mounting flange 2 and the positioning flange 18 are connected by a sealing connecting pipe.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a small-size fluid pressure type water conservancy ash removal sediment device which characterized in that: comprises a spray gun body, wherein the spray gun body comprises a gun body (1), an outer cylinder body (4) and a water inlet pipe (5);
the outer cylinder (4) comprises a cylinder (12), an installation flange (2) and a drift diameter flange (13), wherein the installation flange (2) is welded at one end of the cylinder (12), and the drift diameter flange (13) is welded at the other end of the cylinder (12); a compression spring (3) is arranged in the cylinder body (12), one end of the compression spring (3) is abutted to the mounting flange (2), and the other end of the compression spring (3) is provided with a piston (6);
the gun body (1) comprises a gun head (7), a gun barrel (8) and an annular flow deflector (9), the gun head (7) is connected with the gun barrel (8) through threads, a nozzle (11) is arranged on the gun head (7), and the annular flow deflector (9) is arranged above the nozzle (11) through threaded connection;
the water inlet pipe (5) comprises a pipe body (14) and an end side flange (15), and the pipe body (14) is connected with the end side flange (15) in a welding mode;
the gun body (1) penetrates through the center of the mounting flange (2) to be connected with the piston (6), so that the gun body (1) is connected with the outer cylinder body (4) to form a needle cylinder type structure, and the drift diameter flange (13) is connected with the end side flange (15) through a rubber ring sealing bolt so that the outer cylinder body (4) is connected with the water inlet pipe (5);
after high-pressure water is input into the outer cylinder (4) through the water inlet pipe (5), the piston (6) in the outer cylinder (4) drives the compression spring (3) to make a throwing and withdrawing movement, the high-pressure water is sprayed out from the nozzle (11), and the annular flow deflector (9) is used for controlling the spraying angle of the nozzle (11) to wash the water-cooled wall.
2. The compact hydraulic ash removal device according to claim 1, wherein: still include wall body sealing flange cover, wall body sealing flange cover is including seal box (16), wall body sealing sleeve pipe (17) and flange (18), mounting flange passes through the silk post and is connected with flange (18), flange (18) still are connected with seal box (16) through the silk post, seal box (16) set up on the water-cooling wall, the trompil of seal box (16) is passed through to the one end of wall body sealing sleeve pipe (17) is inserted in seal box (16) and is connected with the bolted connection on seal box (16), and the other end welding is on flange (18).
3. The compact hydraulic ash removal device according to claim 2, wherein: the number of the silk columns is 4, and the silk columns are fixed through bolts after being respectively connected with the mounting flange (2) and the positioning flange (18).
4. A compact hydraulic ash removal device according to claim 3, wherein: and the mounting flange (2) is provided with a pressure relief hole (20).
5. The compact hydraulic ash removal device according to claim 1, wherein: and a sealing ring (19) is arranged on the piston.
6. The compact hydraulic ash removal device according to claim 1, wherein: the gun body (1) further comprises a locking nut (10), and the locking nut (10) is arranged on the back side of the annular flow deflector (9) and used for locking the position of the annular flow deflector.
7. A compact hydraulic clinker removal device according to claim 2, wherein the mounting flange (2) and the positioning flange (18) are further connected by a sealing connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020934034.9U CN212456904U (en) | 2020-05-28 | 2020-05-28 | Small hydraulic ash remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020934034.9U CN212456904U (en) | 2020-05-28 | 2020-05-28 | Small hydraulic ash remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212456904U true CN212456904U (en) | 2021-02-02 |
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ID=74501628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020934034.9U Active CN212456904U (en) | 2020-05-28 | 2020-05-28 | Small hydraulic ash remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212456904U (en) |
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2020
- 2020-05-28 CN CN202020934034.9U patent/CN212456904U/en active Active
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