CN202420150U - Revolving furnace knocker - Google Patents
Revolving furnace knocker Download PDFInfo
- Publication number
- CN202420150U CN202420150U CN2011205272856U CN201120527285U CN202420150U CN 202420150 U CN202420150 U CN 202420150U CN 2011205272856 U CN2011205272856 U CN 2011205272856U CN 201120527285 U CN201120527285 U CN 201120527285U CN 202420150 U CN202420150 U CN 202420150U
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- solenoid directional
- directional control
- control valve
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Abstract
The utility model belongs to the technical field of chemical industry automation, and specifically relates to a revolving furnace knocker. The revolving furnace knocker provided by the utility model comprises a control computer and two sets of knocking equipment, wherein the two sets of knocking equipment comprise furnace end knocking equipment and furnace tail knocking equipment; each set of knocking equipment comprises an air cylinder, a knocking head, a support, a position sensor, an electromagnetic directional valve and a pressure reducing valve, the knocking head and the position sensor are arranged on the air cylinder, and the air cylinder and the electromagnetic directional valve are fixed on the support; and the pressure reducing valve is connected with the electromagnetic directional valve, and the position sensors and the electromagnetic directional valves of the two sets of knock equipment are connected with the control computer. The revolving furnace knocker provided by the utility model solves the technical problems that the revolving furnace knocker is hard to control in knocking frequency and knocking force in the prior art, can carry out flexible control on the knocking frequency and the knocking force, and can meet different manufacture requirements.
Description
Technical field
The utility model belongs to the chemical process automation technical field, is specifically related to a kind of rotary furnace knocker.
Background technology
When prior art adopted wet collimation method to prepare powder of uranium dioxide, the powder of uranium dioxide specific surface of its preparation was big, granularity is little, flowability is relatively poor.In rotary furnace; The powder of uranium dioxide and the frictional force between the stove tube of wet method preparation are bigger; Bigger frictional force can make the long and excessive accumulation of the holdup time of powder in rotary furnace, not only influences the continuity of discharging and the quality of powder, and the sectional area of rotary furnace stove tube is diminished.Adopt definite value control owing to get into gas (steam, the hydrogen) flow of rotary furnace, the gas flow that promptly gets into rotary furnace is to keep stable, so rotary furnace stove tube sectional area diminishes and can cause air velocity to speed.After the flow velocity of the gas that goes in the same direction with powder is accelerated; The gas shock power that the powder that rolls with the rotation of stove tube receives strengthens thereupon; The discharging speed of this powder that not only slows down; Also can blow in the tail gas by composition inevitably that particle in the powder is little, light weight, increase the content of powder in the tail gas.Excessive powder makes powder constantly be deposited in the filter because of filtration in the metallic filter and nitrogen blowback effect; The powder of in filter, piling up is many to flooding screen pipe; Can cause finally that tail gas is obstructed, furnace pressure significantly raises, also can't avoid the out of control of furnace pressure even if strengthen the draft of jet pump.
Reducing the effective method of rotary furnace powder accumulation is to install knocker additional for rotary furnace; Knocker of the prior art must be fixed in and knocked on the object; For rotary furnace, must be fixed in exactly on the stove tube, debugging, the maintenance to rotary furnace impacts inevitably; In addition, knocker installing space of the prior art is excessive, and operating environment is required height, and is difficult to control with the dynamics of knocking knocking frequency.
The utility model content
The utility model technical issues that need to address are that rotary furnace knocker of the prior art is difficult to control and knocks frequency and knock dynamics.
The technical scheme of the utility model is described below:
A kind of rotary furnace knocker; Comprise that a control computer and two groups knock equipment; Two groups are knocked equipment and comprise that burner knocks equipment and the stove tail knocks equipment, and every group is knocked equipment and comprise cylinder, striking head, support, position sensor, solenoid directional control valve and pressure-reducing valve, and striking head and position sensor are installed on the cylinder; Cylinder and solenoid directional control valve are fixed on the support, and pressure-reducing valve is connected with solenoid directional control valve; Two groups of position sensors that knock equipment all link to each other with the control computer with solenoid directional control valve.
Cylinder head is established rod chamber, and afterbody is established rodless cavity; Striking head is positioned at the cylinder head outside, links to each other with the piston rod of cylinder interior, with the flexible rotary furnace stove tube that knocks of piston rod;
Along the flexible direction that is parallel to cylinder piston rod, cylinder surface is provided with the square guide rail, and position sensor is fixed on the said guide rail; Position sensor is transferred to the control computer with the cylinder piston rod positional information;
Pressure-reducing valve one termination is received the compressed air from air compression plant, compressed air delivery to the solenoid directional control valve input after the other end will be regulated;
The coil of solenoid directional control valve links to each other with the control computer, and two outputs link to each other with rodless cavity with the rod chamber of cylinder respectively; Solenoid directional control valve is selected output according to the level signal of control computer, will export the rodless cavity or the rod chamber of cylinder from the compressed air of pressure-reducing valve to, and then the stretching out and compress of control cylinder piston rod;
Said cylinder and solenoid directional control valve all are fixed on the support, and said support is fixed on the rotary furnace support, and rotary furnace knocker itself is separate with rotary furnace stove tube;
The control computer is provided with two and is used to control the timer that knocks frequency, and according to timing result to the coil outputs level signals of solenoid directional control valve output with the control solenoid directional control valve.
As preferred version, the quantity of position sensor is 1, is fixed on the guide rail near the cylinder rod chamber.
The beneficial effect of the utility model is:
(1) the rotary furnace knocker of the utility model can be controlled with the dynamics of knocking the frequency of knocking of rotary furnace knocker through the timer and the pressure-reducing valve of control computer flexibly, satisfies various production needs;
(2) the rotary furnace knocker of the utility model is fixed on the rotary furnace support through support; Rotary furnace knocker itself is separate with rotary furnace stove tube; Can debugging, the maintenance of rotary furnace do not impacted on the structure; Work such as the installation of rotary furnace knocker, debugging can not influence the operation of production, the slitless connection that can realize and produce yet;
(3) the rotary furnace knocker compact conformation of the utility model is small and exquisite, saves the operating space.
Description of drawings
Fig. 1 is the rotary furnace knocker sketch map of the utility model.
Among the figure, 1-controls computer, 2-support, 3-cylinder, 4-guide rail, 5-position sensor, 6-rodless cavity, 7-rod chamber, 8-striking head, 9-solenoid directional control valve, 10-pressure-reducing valve, 11-air compression plant.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the rotary furnace knocker of the utility model is elaborated.
As shown in Figure 1; The rotary furnace knocker of the utility model comprises that a control computer 1 and two groups knock equipment: burner knocks equipment and the stove tail knocks equipment; Every group is knocked equipment and comprises that cylinder 3, striking head 8, support 2, position sensor 5, solenoid directional control valve 9 and 10, two groups of position sensors 5 that knock equipment of pressure-reducing valve all link to each other with control computer 1 with solenoid directional control valve 9.
Every group of structure of knocking equipment is described below:
Along the flexible direction that is parallel to cylinder 3 piston rods, cylinder 3 surfaces are provided with square guide rail 4, and position sensor 5 is fixed on the said guide rail 4, is used to detect the piston rod position of cylinder 3.The quantity of position sensor 5 and position are according to producing actual concrete setting that require, and in the present embodiment, the quantity of position sensor 5 is 1, is fixed on the guide rail 4 near cylinder 3 rod chambers 7.Position sensor 5 is transferred to control computer 1 with cylinder 3 piston rod position information.
Pressure-reducing valve 10 1 terminations are received the compressed air from air compression plant 11, according to the production needs compressed air are carried out the pressure adjusting and knock dynamics with control, compressed air delivery to solenoid directional control valve 9 inputs after the other end will be regulated.
The coil of solenoid directional control valve 9 links to each other with control computer 1, and two outputs link to each other with rodless cavity 6 with the rod chamber 7 of cylinder 3 respectively.Solenoid directional control valve 9 is selected output according to the level signal of control computer 1, will export the rodless cavity 6 or the rod chamber 7 of cylinder 3 from the compressed air of pressure-reducing valve 10 to, and then the stretching out and compress of control cylinder 3 piston rods.
Said cylinder 3 all is fixed on the support 2 with solenoid directional control valve 9, and said support 2 is fixed on the rotary furnace support 2, and rotary furnace knocker itself is separate with rotary furnace stove tube.
The course of work of this device is described below:
(1) according to the production needs two timers controlling computer 1 is set: timer 1 and timer 2.In the present embodiment, two timers all are made as 5s.
(2) according to the production needs two groups of pressure-reducing valves 10 that knock equipment are set.In the present embodiment, the compressed air air pressure that burner knocks 10 outputs of equipment pressure-reducing valve is 0.7MPa, and the compressed air air pressure that the stove tail knocks 10 outputs of equipment pressure-reducing valve is 0.5MPa.
(3) control computer 1 timer 1 picks up counting; After arriving setting-up time; Control computer 1 knocks the solenoid directional control valve 9 output high level signals of equipment to burner, and this solenoid directional control valve 9 will export to through the compressed air that pressure-reducing valve 10 is regulated in cylinder 3 rodless cavities 6 that burner knocks equipment.The piston rod of cylinder 3 receives air extrusion and to cylinder 3 head movements, and then drives the striking head 8 that is connected with this piston rod and clash into the rotary furnace furnace tube outer wall head of rotation.
When (4) the burner position sensor 5 that knocks equipment detects sensor 5 positions, piston rod in-position; Send signal to control computer 1; After control computer 1 receives above-mentioned signal; Knock the solenoid directional control valve 9 output low level signals of equipment to burner, this solenoid directional control valve 9 will export to through the compressed air that pressure-reducing valve 10 is regulated in cylinder 3 rod chambers 7 that burner knocks equipment, and the piston rod that stretches out drives striking head 8 and regains rapidly.
(5) control computer 1 timer 2 picks up counting; After arriving setting-up time; Control computer 1 knocks the solenoid directional control valve 9 output high level signals of equipment to the stove tail, and this solenoid directional control valve 9 will export to through the compressed air that pressure-reducing valve 10 is regulated in cylinder 3 rodless cavities 6 that the stove tail knocks equipment.The piston rod of cylinder 3 receives air extrusion and to cylinder 3 head movements, and then drives the striking head 8 that is connected with this piston rod and clash into the rotary furnace furnace tube outer wall afterbody of rotation.
When (6) the stove tail position sensor 5 that knocks equipment detects sensor 5 positions, piston rod in-position; Send signal to control computer 1; After control computer 1 receives above-mentioned signal; Knock the solenoid directional control valve 9 output low level signals of equipment to the stove tail, this solenoid directional control valve 9 will export to through the compressed air that pressure-reducing valve 10 is regulated in cylinder 3 rod chambers 7 that the stove tail knocks equipment, and the piston rod that stretches out drives striking head 8 and regains rapidly.
(7) return step (3), the burner, the stove tail that go round and begin again to rotary furnace stove tube circulate and knock.When rotary furnace stove tube need stop the rotation for some reason; And the scene needs operation such as maintenance and need stop hammer action the time; Control computer 1 sends the withdrawal instruction to two groups of solenoid directional control valves 9 that knock equipment simultaneously; Two solenoid directional control valves 9 are exported to compressed air in the rod chamber 7 of corresponding separately cylinder 3, and piston rod drive striking head 8 is in and keeps retracted state, and the rotary furnace knocker can be reliable and out of service expediently.
Claims (3)
1. rotary furnace knocker; Comprise that a control computer (1) and two groups knock equipment; It is characterized in that: two groups are knocked equipment and comprise that burner knocks equipment and the stove tail knocks equipment; Every group is knocked equipment and comprises cylinder (3), striking head (8), support (2), position sensor (5), solenoid directional control valve (9) and pressure-reducing valve (10); Striking head (8) and position sensor (5) are installed on the cylinder, and cylinder and solenoid directional control valve (9) are fixed on the support (2), and pressure-reducing valve (10) is connected with solenoid directional control valve (9); Two groups of position sensors (5) that knock equipment all link to each other with control computer (1) with solenoid directional control valve (9).
2. rotary furnace knocker according to claim 1 is characterized in that: every group of structure of knocking equipment is described below:
Cylinder (3) head is established rod chamber (7), and afterbody is established rodless cavity (6); Striking head (8) is positioned at cylinder (3) the head outside, and the piston rod inner with cylinder (3) links to each other, with the flexible rotary furnace stove tube that knocks of piston rod;
Along the flexible direction that is parallel to cylinder (3) piston rod, cylinder (3) surface is provided with square guide rail (4), and position sensor (5) is fixed on the said guide rail (4); Position sensor (5) is transferred to control computer (1) with cylinder (3) piston rod position information;
Pressure-reducing valve (10) one terminations are received the compressed air from air compression plant (11), compressed air delivery to solenoid directional control valve (9) input after the other end will be regulated;
The coil of solenoid directional control valve (9) links to each other with control computer (1), and two outputs link to each other with rodless cavity (6) with the rod chamber (7) of cylinder (3) respectively; Solenoid directional control valve (9) is selected output according to the level signal of control computer (1), will export the rodless cavity (6) or the rod chamber (7) of cylinder (3) from the compressed air of pressure-reducing valve (10) to, and then the stretching out and compress of control cylinder (3) piston rod;
Said cylinder (3) and solenoid directional control valve (9) all are fixed on the support (2), and said support (2) is fixed on the rotary furnace support (2), and rotary furnace knocker itself is separate with rotary furnace stove tube;
Control computer (1) is provided with two and is used to control the timer that knocks frequency, and according to timing result to the coil outputs level signals of solenoid directional control valve (9) output with control solenoid directional control valve (9).
3. rotary furnace knocker according to claim 2 is characterized in that: the quantity of position sensor (5) is 1, is fixed on the guide rail (4) near cylinder (3) rod chamber (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205272856U CN202420150U (en) | 2011-12-15 | 2011-12-15 | Revolving furnace knocker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205272856U CN202420150U (en) | 2011-12-15 | 2011-12-15 | Revolving furnace knocker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202420150U true CN202420150U (en) | 2012-09-05 |
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ID=46744907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205272856U Expired - Lifetime CN202420150U (en) | 2011-12-15 | 2011-12-15 | Revolving furnace knocker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202420150U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105056A (en) * | 2012-12-21 | 2013-05-15 | 泰兴冶炼厂有限公司 | Percussive device of rotary kiln |
| CN103162531A (en) * | 2011-12-15 | 2013-06-19 | 中核建中核燃料元件有限公司 | Revolving furnace knocker |
| CN104215087A (en) * | 2014-09-09 | 2014-12-17 | 江西稀有金属钨业控股集团有限公司 | Furnace tube knocking device and method for eliminating materials adhered to inner wall of rotary furnace |
-
2011
- 2011-12-15 CN CN2011205272856U patent/CN202420150U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162531A (en) * | 2011-12-15 | 2013-06-19 | 中核建中核燃料元件有限公司 | Revolving furnace knocker |
| CN103105056A (en) * | 2012-12-21 | 2013-05-15 | 泰兴冶炼厂有限公司 | Percussive device of rotary kiln |
| CN104215087A (en) * | 2014-09-09 | 2014-12-17 | 江西稀有金属钨业控股集团有限公司 | Furnace tube knocking device and method for eliminating materials adhered to inner wall of rotary furnace |
| CN104215087B (en) * | 2014-09-09 | 2015-12-23 | 江西稀有金属钨业控股集团有限公司 | A kind of boiler tube knocking device and removing are bonded at the method for rotary furnace inwall material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
|
| CX01 | Expiry of patent term |