CN104567351A - Cooling device of rotary kiln - Google Patents
Cooling device of rotary kiln Download PDFInfo
- Publication number
- CN104567351A CN104567351A CN201410851787.2A CN201410851787A CN104567351A CN 104567351 A CN104567351 A CN 104567351A CN 201410851787 A CN201410851787 A CN 201410851787A CN 104567351 A CN104567351 A CN 104567351A
- Authority
- CN
- China
- Prior art keywords
- locating part
- wind pipe
- detector
- rotary kiln
- part detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
Embodiments of the invention disclose a cooling device of rotary kiln; air can be sent to the outer wall direction of the rotary kiln via an air outlet port of an air outlet pipeline inside a cooling device; when a detector rotates along with the rotary kiln to an air outlet area of the air outlet port of the air outlet pipeline, the air outlet port of the air outlet pipeline is able to send air to the detector and the environment around the detector; on one aspect, the temperatures of the detector and the environment around the detector can be directly reduced; on another aspect, the temperatures of the detector and the environment around the detector can be further reduced by increasing the mobility of air around the detector; therefore, the detection performance of the detector can be ensured.
Description
Technical field
The present invention relates to pelletizing technology field, particularly relate to a kind of rotary kiln cooling device.
Background technology
Rotary kiln is a steel cylinder being erected in support platform, can according to the direction of setting and speed slow circumvolve, and generally there is the high temperature of 1100 DEG C ~ 1300 DEG C rotary kiln inside, can to the iron ore roasting in rotary kiln.
For ease of grasping the duty of rotary kiln, the outer wall surface of rotary kiln is installed with detecting instrument, and detecting instrument rotates along with rotary kiln.Generally, detecting instrument is fixed on the position nearer apart from the outer wall of rotary kiln by support bar, can guarantee that detecting instrument can not affect the rotation of rotary kiln because the outer wall of distance rotary kiln crosses far on the one hand, support bar can be avoided to bear larger resistance when detecting instrument rotates with rotary kiln and rupture on the other hand.
But, the temperature range that detecting instrument can bear is limited, be generally-40 DEG C ~ 85 DEG C, and the outside wall temperature of rotary kiln and outer wall near zone temperature affect by the heat-conduction effect of internal high temperature, considerably beyond the temperature upper limit that detecting instrument can bear, be in this hot environment for a long time with the detecting instrument of the outer wall close together of rotary kiln, easily cause the inaccurate even instrument damage of the measurement data of detecting instrument etc., have a strong impact on the performance of detecting instrument.
Summary of the invention
Provide a kind of rotary kiln cooling device in the embodiment of the present invention, be in hot environment for a long time with the detecting instrument solving rotary kiln and affect the problem of its detection perform.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses following technical scheme:
A kind of rotary kiln cooling device, for cooling the detecting instrument rotated on the outer wall being arranged on described rotary kiln and along with described rotary kiln,
Described cooling device comprises gas pipeline, at least one wind pipe and at least one pipeline valve, wherein, each described wind pipe respectively by one independently described pipeline valve be connected with described gas pipeline;
There is between the outer wall of described wind pipe and described rotary kiln the rotatable interval passed through of described detecting instrument, described wind pipe is provided with towards the air outlet of the outer wall of described rotary kiln, and when described detecting instrument rotates with described rotary kiln on described wind pipe the air-out region of air outlet.
Alternatively, described device also comprises the first locating part first locating part detector corresponding with described first locating part with at least one, and, the second locating part detector that the second locating part is corresponding with described second locating part with at least one;
Described first locating part and described second locating part are separately positioned on the both sides of described detecting instrument, and described first locating part is positioned at the front of described second locating part in the direction of rotation of described rotary kiln;
For each described wind pipe, described first locating part detector and described second locating part detector are separately positioned on the two ends of described wind pipe, further, described first locating part detector is positioned at the rear of described second locating part detector in the direction of rotation of described rotary kiln;
Described first locating part when rotating with described rotary kiln through described first locating part detector that each described wind pipe is corresponding; Described second locating part when rotating with described rotary kiln through described second locating part detector that each described wind pipe is corresponding;
Described first locating part detector is used for when described first locating part being detected, produces valve opening signal and sends to the described pipeline valve of corresponding described wind pipe, opening to make described pipeline valve;
Described second locating part detector is used for when described second locating part being detected, produces valve closing signal and sends to the described pipeline valve of corresponding described wind pipe, closing to make described pipeline valve.
Alternatively, described wind pipe is at least two, and the axis of described at least two wind pipes is corresponding along the direction of rotation head and the tail of described rotary kiln, described at least two wind pipes composition wind pipe group;
Described device also comprises the first locating part and the first locating part detector corresponding with described first locating part, and, the second locating part and the second locating part detector corresponding with described second locating part;
Described first locating part and described second locating part are separately positioned on the both sides of described detecting instrument, and described first locating part is positioned at the front of described second locating part in the direction of rotation of described rotary kiln;
Described first locating part detector and described second locating part detector are separately positioned on the two ends of described wind pipe group, and described first locating part detector is positioned at the rear of described second locating part detector in the direction of rotation of described rotary kiln;
Described first locating part when rotating with described rotary kiln through described first locating part detector; Described second locating part when rotating with described rotary kiln through described second locating part detector;
Described first locating part detector is used for when described first locating part being detected, produces the described pipeline valve that valve opening signal also sends to wind pipe described in each in described wind pipe group simultaneously, opens to make described pipeline valve;
Described second locating part detector is used for when described second locating part being detected, produces the described pipeline valve that valve closing signal also sends to wind pipe described in each in described wind pipe group simultaneously, closes to make described pipeline valve.
Alternatively, described wind pipe is at least two, and the axis of described at least two wind pipes is corresponding along the direction of rotation head and the tail of described rotary kiln, described at least two wind pipes composition wind pipe group;
Described device also comprises the first locating part and the first locating part detector corresponding with described first locating part, second locating part and the second locating part detector corresponding with described second locating part, and, respectively with the timer that in described first locating part detector, described second locating part detector and described wind pipe group, described in each, the pipeline valve of wind pipe is connected;
Described first locating part and described second locating part are separately positioned on the both sides of described detecting instrument, and described first locating part is positioned at the front of described second locating part in the direction of rotation of described rotary kiln;
Described first locating part detector and described second locating part detector are separately positioned on the two ends of described wind pipe group, and described first locating part detector is positioned at the rear of described second locating part detector in the direction of rotation of described rotary kiln;
Described first locating part when rotating with described rotary kiln through described first locating part detector; Described second locating part when rotating with described rotary kiln through described second locating part detector;
Described first locating part detector is used for when described first locating part being detected, produces valve opening signal and sends to described timer; Described timer is used for after receiving described valve opening signal, controls the described pipeline valve of wind pipe described in each in described wind pipe group according to the setting mode of operation opened during difference and/or asynchronously close;
Described second locating part detector is used for when described second locating part being detected, produces valve closing signal and sends to the described pipeline valve of wind pipe described in each in described wind pipe group, closing to make described pipeline valve.
Alternatively, described setting working method is:
Control the described pipeline valve of first wind pipe in the direction of rotation of described rotary kiln to open;
The direction of rotation of described rotary kiln is opened at interval of the first setting duration the described pipeline valve of a described wind pipe of residue successively, and the operating time controlled after the described pipeline valve unlatching of each described wind pipe is the second setting duration.
Alternatively, described setting working method is:
Control the described pipeline valve of wind pipe described in each in the direction of rotation of described rotary kiln to open simultaneously;
The operating time controlled after the described pipeline valve unlatching of each described wind pipe is the second setting duration.
Alternatively, described cooling device also comprises the timer be connected with the described pipeline valve of described first locating part detector, described second locating part detector and wind pipe described in each respectively, and described timer starts timing when receiving described valve opening signal;
Described timer has the preset stopping time, produces valve closing signal and send to the described pipeline valve of wind pipe described in each when the timing time of described timer arrives the described preset stopping time.
Alternatively, cooling device also comprises siren, and described siren is connected with the described pipeline valve of wind pipe described in each, for giving the alarm when described pipeline valve receives described valve opening signal but do not open.
Alternatively, described first locating part detector and described second locating part detector are arranged on independently on support bar respectively, and described support bar is fixedly mounted on the terrace below rotary kiln.
Alternatively, the vertical range between described first locating part detector and the head end of corresponding described wind pipe is preset value, and the head end of described wind pipe is the one end near corresponding described first locating part detector on described wind pipe.
From above technical scheme, the rotary kiln cooling device that the embodiment of the present invention provides, can by the outer wall direction conveying air of the air outlet of wind pipe in cooling device to rotary kiln, when detecting instrument to rotate to the air-out region of air outlet on wind pipe with rotary kiln, the air outlet of wind pipe can to the environment conveying air residing for detecting instrument and detecting instrument, directly can reduce the temperature of environment residing for detecting instrument and detecting instrument on the one hand, on the one hand by strengthening the mobility of detecting instrument ambient air, the temperature of environment residing for further reduction detecting instrument and detecting instrument, thus ensure the detection perform of detecting instrument.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of rotary kiln cooling device that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the another kind of rotary kiln cooling device that Fig. 2 provides for the embodiment of the present invention;
The locating part installation site schematic diagram that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the another kind of rotary kiln cooling device that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the another kind of rotary kiln cooling device that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the another kind of rotary kiln cooling device that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Fig. 1 is a kind of structural representation of rotary kiln cooling device, the detecting instrument 7 that cooling device is used for rotating on the outer wall 1 being arranged on rotary kiln and along with rotary kiln cools, as shown in Figure 1, cooling device comprises gas pipeline 3, at least one pipeline valve 4 and at least one wind pipe 5, in figure, 2 is air supply plant, the compressed air that air supply plant 2 enclosed inside has temperature lower, certain air supply plant 2 can also be other gas generating device, one end of gas pipeline 3 is communicated with the inside of air supply plant 2, the other end by one independently pipeline valve 4 be communicated with wind pipe 5, wind pipe 5 can be the arc shape pipeline matched with outer wall 1 curvature of rotary kiln, when pipeline valve 4 is opened, the compressed air of air supply plant 2 inside can be filled with wind pipe 5 fast by gas pipeline 3.
In one particular embodiment of the present invention, pipeline valve 4 can be magnetic valve, can open when receiving the valve opening signal controlling pipeline valve 4 unlatching, thus makes gas pipeline 3 and wind pipe 5 form path; Can close when receiving the valve closing signal controlling pipeline valve 4 closedown, thus make gas pipeline 3 and wind pipe 5 be formed closed circuit.
Wind pipe 5 has multiple air outlet 6, and, each air outlet 6 is all towards the outer wall 1 of rotary kiln, air outlet 6 can be the through hole on wind pipe 5, also can be the little short tube protruding wind pipe 5, air in wind pipe 5 is outwards gone out by each air outlet 6, and the region of all air outlets 6 air-out forms the air-out region of whole wind pipe 5.
Between the setting position of wind pipe 5 and the outer wall 1 of rotary kiln, there is interval, detecting instrument 7 on the outer wall 1 of rotary kiln can be rotated through in this interval, when detecting instrument 7 is in the air-out region of air outlet 6 on wind pipe 5, the cold air that temperature is lower can reduce the temperature of detecting instrument 7 and detecting instrument 7 surrounding enviroment fast, also can accelerate the mobility of detecting instrument 7 surrounding air simultaneously, reduce the temperature of detecting instrument 7 and surrounding enviroment thereof further.
In another embodiment of the present invention, as shown in Figure 2, cooling device also comprises first locating part 9 and at least one first locating part detector 8 corresponding with the first locating part 9, and, second locating part 11 and at least one second locating part detector 10 corresponding with the second locating part 11, and the first locating part detector 8 is identical with the second locating part detector 10 quantity, and one_to_one corresponding, and wind pipe 5 correspondence is provided with a first locating part detector 8 and a second locating part detector 10;
In an embodiment of the present invention, the combination of the first locating part and the first locating part detector can be referred to as position switch, it can be touch switch, as travel switch, also can be that non-contact switch is as proximity switch, generally be made up of two parts, in position switch, when the parts rotated with rotary kiln rotate to the position being fixedly mounted on another other parts of wind pipe, two parts contact with each other or mutual induction, can determine that the detecting instrument on rotary kiln is about to rotate into the air-out region of wind pipe thus, the air outlet of wind pipe is made to make the action of outwards conveying air in time.
In the present embodiment, the first locating part 9 and the second locating part 11 are separately positioned on the both sides of detecting instrument 7, and, first locating part 9 is positioned at the front of the second locating part 11 in rotary kiln direction of rotation, namely when the first locating part 9 and the second locating part 11 rotate with rotary kiln, first first locating part 9 arrives the air-out region of wind pipe 5, the air-out region of the second locating part 11 arrival rear compared with the first locating part 9 wind pipe 5;
For each wind pipe 5 in the present embodiment, first locating part detector 8 and the second locating part detector 10 are separately positioned on the two ends of wind pipe 5, and, first locating part detector 8 is positioned at the rear of the second locating part detector 10 in rotary kiln direction of rotation, namely detecting instrument 7 when rotated, first arrive the installation site of the first locating part detector 8, after rotating a period of time, just can arrive the installation site of the second locating part detector 10;
In the present embodiment, vertical range between first locating part detector 8 and wind pipe 5 head end can be preset value, such as 50 centimetres, wind pipe 5 head end is the one end near the first locating part detector 8 on wind pipe 5, namely one end that on wind pipe 5, first detected instrument 7 arrives, when this design makes the first locating part detector 8 the first locating part 9 be detected, detecting instrument 7 not yet enters the air-out region of wind pipe 5, but the first locating part detector 8 sends valve opening signal to the pipeline valve 4 of wind pipe 5, the air outlet 6 of wind pipe 5 outwards carries cold air in advance, reduce detecting instrument 7 in advance by the ambient air temperature through region, improve the effect of cooling detecting instrument 7,
The installation site of the first locating part 9 is corresponding with the installation site of the first locating part detector 8, the first locating part 9 when rotating with rotary kiln through the first locating part detector 8 of each wind pipe 5 correspondence; Make the first locating part detector 8 the first locating part 9 can be detected when the first locating part 9 rotates near it; The installation site of the second locating part 11 is corresponding with the installation site of the second locating part detector 10, second locating part 11 through the second locating part detector 10 of each wind pipe 5 correspondence, makes each second locating part detector 10 the second locating part 11 can both be detected when the second locating part 11 rotates near it when rotating with rotary kiln;
In one particular embodiment of the present invention, each locating part and corresponding locating part detector are after contact, all send the signal of valve opening or valve closing to the pipeline valve 4 of wind pipe 5 by corresponding locating part detector, or, after each locating part produces contactless mutual induction with corresponding locating part detector, all send the signal of valve opening or valve closing to the pipeline valve 4 of wind pipe 5 by corresponding locating part detector;
In one particular embodiment of the present invention, as shown in Figure 3, first locating part 9 and the second locating part 11 can lay respectively at the both sides of detecting instrument 7, namely the first locating part 9 and the second locating part 11 lay respectively at the both sides of detecting instrument 7 on rotary kiln axial direction, correspondingly, first locating part detector 8 and the second locating part detector 10 lay respectively at the both sides of wind pipe 5, namely the first locating part detector 8 and the second locating part detector 10 lay respectively at the both sides of wind pipe 5 on rotary kiln axial direction, the design of the first locating part 9 and the second locating part 11 and the first locating part detector 8 and the second locating part detector 10 in the present embodiment, first locating part 9 and the second locating part 11 are not rotated in same plane, the second locating part detector 10 can not be made the first locating part 9 to be detected mistakenly, and the second locating part 11 only can be detected, in like manner, first locating part detector 8 also only can detect the first locating part 9,
For cooling device, there is a wind pipe 5 and a pipeline valve 4, when the first locating part 9 and the second locating part 11 rotate with the outer wall 1 of rotary kiln, first locating part 9 rotates to the position of the first locating part detector 8, first locating part detector 8 the first locating part 9 detected and pipeline valve 4 to wind pipe 5 sends valve opening signal, now, pipeline valve 4 is opened, the air outlet 6 of wind pipe 5 starts the direction conveying cold air to the outer wall 1 of rotary kiln, subsequently, detecting instrument 7 continues to turn in the air-out region inward turning of wind pipe 5 air outlet 6 with rotary kiln, continue to carry out heat exchange with cold air around detecting instrument 7 and detecting instrument 7, reduce temperature gradually, until when the second locating part 11 rotates to the position of the second locating part detector 10, second locating part detector 10 the second locating part 11 detected and pipeline valve 4 to wind pipe 5 sends valve closing signal, now, pipeline valve 4 is closed, the air outlet 6 of wind pipe 5 stops outwards carrying cold air, simultaneously, detecting instrument 7 has also left the air-out region of air outlet 6 on wind pipe 5.
After this, the first locating part 9, second locating part 11 and detecting instrument 7 continue to rotate with the outer wall 1 of rotary kiln, and when detecting instrument 7 rotates to the air-out region of wind pipe 5, wind pipe 5 just repeats the action cooling detecting instrument 7.
In another embodiment of the present invention, as shown in Figure 4, the wind pipe 5 of cooling device is at least two, and all wind pipes 5 are along the direction of rotation order arrangement of rotary kiln, the axis of at least two wind pipes 5 is corresponding along the direction of rotation head and the tail of rotary kiln, in one particular embodiment of the present invention, multiple wind pipe 5 sequentially can be arranged in the circular arc matched with outer wall 1 curvature of rotary kiln;
The both sides of each wind pipe 5 are provided with the first locating part detector 8 and the second locating part detector 10, the installation site of each wind pipe 5 both sides first locating part detector 8 and the second locating part detector 10 is see above-described embodiment, for cooling device, there are two wind pipes 5 and two pipeline valves 4, for the time being the wind pipe 5 that first detecting instrument 7 arrives is described as first wind pipe 5, the wind pipe 5 arrived after detecting instrument 7 is described as second wind pipe 5;
First locating part 9 rotates to the position of the first locating part detector 8 of first wind pipe 5, this the first locating part detector 8 the first locating part 9 detected and pipeline valve 4 to first wind pipe 5 sends valve opening signal, now, this pipeline valve 4 is opened, the air outlet 6 of first wind pipe 5 starts the direction conveying cold air to the outer wall 1 of rotary kiln, subsequently, detecting instrument 7 continues to turn in the air-out region inward turning of first wind pipe 5 air outlet 6 with rotary kiln, until the second locating part 11 rotates to the position of the second locating part detector 10, valve closing signal is produced after this second locating part detector 10 detects the second locating part 11, and send to first pipeline valve 4 opened, now, this pipeline valve 4 is closed, the air outlet 6 of first wind pipe 5 stops outwards carrying cold air,
In an embodiment of the present invention, first locating part detector 8 directly can be connected with pipeline valve 4 with the second locating part detector 10, make the first locating part detector 8 and the second locating part detector 10 can send valve opening signal or valve closing signal directly to pipeline valve 4, or, first locating part detector 8 and the second locating part detector 10 can the device of the concurrent number of delivering letters of Received signal strength can be connected with a control system or other, such as, central processing unit (CPU, Central Processing Unit), first locating part detector 8 and the second locating part detector 10 send valve opening signal or valve closing signal by this device to pipeline valve 4, pipeline valve 4 is opened when receiving the signal of Open valve, close when receiving the signal of valve-off,
In one particular embodiment of the present invention, distance between second locating part detector 10 of first wind pipe 5 and the first locating part detector 8 of second wind pipe 5 is equal with the distance between the first locating part 9 with the second locating part 11, therefore, when the second locating part detector 10 of first wind pipe 5 detects the second locating part 11, first locating part detector 8 of second wind pipe 5 also detects the first locating part 9 simultaneously, or, distance between second locating part detector 10 of first wind pipe 5 and the first locating part detector 8 of second wind pipe 5 is less than the distance between the first locating part 9 and the second locating part 11, therefore, when the second locating part detector 10 of first wind pipe 5 detects the second locating part 11, first locating part detector 8 of second wind pipe 5 detects the first locating part 9 already, relation between two distances determines whether two wind pipes 5 exist the situation of intersection air-out,
For two apart from equal, while the air outlet 6 of first wind pipe 5 stops conveying cold air, first locating part 9 rotates to the position of the first locating part detector 8 of second wind pipe 5, this the first locating part detector 8 the first locating part 9 detected and pipeline valve 4 to second wind pipe 5 sends valve opening signal, now, this pipeline valve 4 is opened, the pipeline air outlet 6 of second wind pipe 5 starts outwards to carry cold air, just in time take over the detecting instrument 7 that first wind pipe 5 continues cooling rotation, when the second locating part 11 rotates to the position of the second locating part detector 10 of second wind pipe 5, second locating part detector 10 the second locating part 11 detected and pipeline valve 4 to second wind pipe 5 sends valve closing signal, now, the air outlet 6 of second wind pipe 5 stops outwards carrying cold air.
After this, first locating part 9, second locating part 11 and detecting instrument 7 continue to rotate with the outer wall 1 of rotary kiln, when detecting instrument 7 rotates to the air-out region of first wind pipe 5 and second wind pipe 5, first wind pipe 5 and second wind pipe 5 repeat the action cooling detecting instrument 7;
After in the present embodiment, the design of wind pipe 5 makes detecting instrument 7 arrive first wind pipe 5, first wind pipe 5 outwards carries cold air, and second wind pipe 5 does not outwards carry cold air; After detecting instrument 7 leaves first wind pipe 5, first wind pipe 5 stops conveying cold air, and second wind pipe 5 starts outwards to carry cold air, and then avoids unnecessary cold air waste, saves compressed air.
In another embodiment of the present invention, as shown in Figure 5, wind pipe 5 is at least two, and the axis of at least two wind pipes 5 is corresponding along the direction of rotation head and the tail of rotary kiln, at least two wind pipe composition wind pipe groups; Cooling device also comprises the first locating part 9 and the first locating part detector 8 corresponding with the first locating part 9, and, the second locating part 11 and the second locating part detector 10 corresponding with the second locating part 11;
In the present embodiment, the first locating part 9 and the second locating part 11 are separately positioned on the both sides of detecting instrument 7, and, first locating part 9 is positioned at the front of the second locating part 11 in rotary kiln direction of rotation, namely when the first locating part 9 and the second locating part 11 rotate with rotary kiln, first first locating part 9 arrives the air-out region of air outlet 6 on wind pipe 5, the air-out region of air outlet 6 on the second locating part 11 arrival rear compared with the first locating part 9 wind pipe 5;
In the present embodiment, the first locating part detector 8 and the second locating part detector 10 are separately positioned on the two ends of wind pipe group, and, first locating part detector 8 is positioned at the rear of the second locating part detector 10 in rotary kiln direction of rotation, namely detecting instrument 7 when rotated, first arrive the installation site of the first locating part detector 8, after rotating a period of time, just can arrive the installation site of the second locating part detector 10;
With the first locating part 9 and the first locating part detector 8 proposed in above-described embodiment, and second the installation site of locating part 11 and the second locating part detector 10 similar, the installation site of each locating part and corresponding detector is also mutually corresponding, the first locating part 9 when rotating with rotary kiln through the first locating part detector 8; Second locating part 11 when rotating with rotary kiln through the second locating part detector 10;
In the present embodiment, first locating part detector 8 can at a distance of predeterminable range with wind pipe group head end, such as 50 centimetres, wind pipe group is the set of all wind pipes composition, wind pipe group head end is one end of detecting instrument 7 first process in wind pipe group, this design makes the air outlet 6 of at least one wind pipe 5 in wind pipe group outwards carry cold air in advance, reduces detecting instrument 7 in advance by the air themperature through region, improves the effect of cooling detecting instrument 7;
Have two wind pipes 5 and two pipeline valves 4 for cooling device, the wind pipe 5 that first detecting instrument 7 can be arrived is described as first wind pipe 5, and the wind pipe 5 arrived after detecting instrument 7 is described as second wind pipe 5;
First locating part 9 rotates to the position of the first locating part detector 8 with rotary kiln, after this first locating part detector 8 detects the first locating part 9, produce valve opening signal and send to the pipeline valve 4 of each wind pipe 5 in wind pipe group, in the present embodiment, be and send start signal to the pipeline valve 4 of first wind pipe 5 and the pipeline valve 4 of second wind pipe 5, two wind pipes 5 all outwards carry cold air;
Subsequently, detecting instrument 7 continues to rotate with rotary kiln, until the second locating part 11 rotates to the position of the second locating part detector 10, this the second locating part detector 10 the second locating part 11 detected and pipeline valve 4 to each wind pipe 5 sends valve closing signal, now, the pipeline valve 4 of all wind pipes 5 is closed, and makes the air outlet 6 of all wind pipes 5 stop outwards carrying cold air;
After this, first locating part 9, second locating part 11 and detecting instrument 7 continue to rotate with the outer wall 1 of rotary kiln, when detecting instrument 7 rotates to the air-out region of first wind pipe 5 and second wind pipe 5, first wind pipe 5 and second wind pipe 5 repeat the action cooling detecting instrument 7.
In another embodiment of the present invention, as shown in Figure 6, wind pipe 5 is at least two, and the axis of at least two wind pipes 5 is corresponding along the direction of rotation head and the tail of rotary kiln, at least two wind pipe composition wind pipe groups; Similar to the above embodiments, cooling device also comprises the first locating part 9 and first locating part detector 8, second locating part 11 corresponding with the first locating part 9 and the second locating part detector 10 corresponding with the second locating part 11;
In addition, the timer 12 be connected with the pipeline valve 4 of each wind pipe 5 in the first locating part detector 8, second locating part detector 10 and wind pipe group respectively is also comprised;
The installation site of the first locating part 9, second locating part 11, first locating part detector 8 and the second locating part detector 10 and its installation site is in the above-described embodiments similar separately, first locating part 9 and the second locating part 11 are separately positioned on the both sides of detecting instrument 7, further, the first locating part 9 is positioned at the front of the second locating part 11 in the direction of rotation of rotary kiln; First locating part detector 8 and the second locating part detector 10 are separately positioned on the two ends of wind pipe group, and the first locating part detector 8 is positioned at the rear of the second locating part detector 10 in the direction of rotation of rotary kiln; First locating part 9 when rotating with rotary kiln through the first locating part detector 8; Second locating part 11 when rotating with rotary kiln through the second locating part detector 10;
First locating part detector 8 is when the first locating part 9 being detected, produce valve opening signal and send to timer 12, timer 12 is for after receiving valve opening signal, control the pipeline valve 4 of each wind pipe 5 in wind pipe group according to the setting mode of operation opened during difference and/or asynchronously close, namely open when the pipeline valve 4 of each wind pipe 5 is different and asynchronously close, or, the pipeline valve 4 of each wind pipe 5 is opened simultaneously but is asynchronously closed, or, open when the pipeline valve 4 of each wind pipe 5 is different but close simultaneously,
Second locating part detector 10 is when the second locating part 11 being detected, produce valve closing signal and send to the pipeline valve 4 of each wind pipe 5 in wind pipe group, close to make pipeline valve 4, guarantee that detecting instrument 7 is after the air-out region of wind pipe group is left in rotation, the air outlet 6 of all wind pipes 5 in wind pipe group all stops outwards carrying cold air;
Timer 12 is utilized in cooling device, can with the air-out method of the rotation customization wind pipe 5 of detecting instrument 7, the air-out situation of wind pipe 5 and detecting instrument 7 rotational case are matched, controls wind pipe 5 air-out state more flexibly and effectively save compressed air.
In embodiments of the present invention, the one setting working method proposed in above-described embodiment is: the pipeline valve 4 controlling first wind pipe 5 in the direction of rotation of rotary kiln is opened;
The direction of rotation of rotary kiln is opened at interval of the first setting duration the pipeline valve 4 of a residue wind pipe 5 successively, and the operating time controlled after pipeline valve 4 unlatching of each wind pipe 5 is the second setting duration, be described in detail for this working method below: on the basis that above-mentioned wind pipe group two ends are provided with the first locating part detector 8 and the second locating part detector 10, cooling device is also provided with the timer 12 be connected with the pipeline valve 4 of all wind pipes 5, timer 12 starts timing when any one pipeline valve 4 receives valve opening signal, the present embodiment has two wind pipes 5 and two pipeline valves 4 for cooling device, the same wind pipe 5 first arrived by detecting instrument 7 is described as first wind pipe 5, the wind pipe 5 arrived after detecting instrument 7 is described as second wind pipe 5,
When the first locating part detector 8 detects the first locating part 9, pipeline valve 4 to first wind pipe 5 sends valve opening signal, now, on first wind pipe 5, air outlet 6 outwards carries cold air, detecting instrument 7 rotates in the air-out region with rotary kiln air outlet 6 on first wind pipe 5, timer 12 starts timing simultaneously, when timing time arrives the first setting duration, timer 12 sends valve opening signal to the pipeline valve 4 of second wind pipe 5 of cutting out, the air outlet 6 of second wind pipe 5 is made outwards to carry cold air, and, even if when the time arrives the second setting duration, timer 12 produces valve closing signal, and send to the pipeline valve 4 of first wind pipe 5 of unlatching, first wind pipe 5 air outlet 6 is made to stop outwards carrying cold air,
Such as, first setting duration and the second setting duration of timer 12 are 10 seconds, the i.e. every timing of timer 12 10 seconds, just a valve opening signal and valve closing signal is sent to named pipe valve 4, this duration is generally the time that detecting instrument 7 rotates in the air-out region of a wind pipe 5, make detecting instrument 7 after certain wind pipe 5 is left in rotation in 10 seconds, this wind pipe 5 no longer cools detecting instrument 7;
Timer 12 can send valve closing signal when timing time reaches 10 seconds to the pipeline valve 4 of first wind pipe 5 opened, pipeline valve 4 simultaneously to second wind pipe 5 of closing sends valve opening signal, the air outlet 6 of second wind pipe 5 is made outwards to carry cold air, now, detecting instrument 7 just produces the air-out region of first wind pipe 5, proceed to the air-out region of second wind pipe 5, second wind pipe 5 is taken over first wind pipe 5 and is continued to cool detecting instrument 7;
Finally, when the second locating part detector 10 detects the second locating part 11, second locating part detector 10 sends valve closing signal to the pipeline valve 4 of all wind pipes 5, all wind pipes 5 stop the cooling to detecting instrument 7, further, timer 12 stops timing when receiving the valve closing signal that the second locating part detector 10 sends and makes zero.
After this, the first locating part 9, second locating part 11 and detecting instrument 7 continue to rotate with the outer wall 1 of rotary kiln, and all wind pipes 5 repeat according to the time interval of timer 12 action cooling detecting instrument 7;
Wind pipe 5 in the present embodiment cooling device is not limited to two, when having multiple wind pipe 5, still can open the pipeline valve 4 of each wind pipe 5 successively according to the mode of above-mentioned calculating duration and close each wind pipe 5 successively, the air outlet 6 of the current residing wind pipe 5 of detecting instrument 7 is made outwards to carry cold air, the air outlet 6 of the wind pipe 5 that detecting instrument 7 has passed through or not yet arrived at outwards does not carry cold air, to save compressed air.
In embodiments of the present invention, the another kind setting working method proposed in above-described embodiment is: the pipeline valve 4 controlling each wind pipe 5 in the direction of rotation of rotary kiln is opened simultaneously; The operating time controlled after pipeline valve 4 unlatching of each wind pipe 5 is the second setting duration, is described in detail below for this working method:
When the first locating part detector 8 detects the first locating part 9, pipeline valve 4 to all wind pipes 5 sends valve opening signal, on all wind pipes 5, air outlet 6 all starts outwards to carry cold air, detecting instrument 7 hot-air be about in region is cooled in advance, improve the effect of cooling detecting instrument 7, when the timing time of timer 12 arrives the second setting duration, as 10 seconds, timer 12 sends valve closing signal to the pipeline valve 4 of the detecting instrument 7 wind pipe 5 of process, air outlet 6 on the wind pipe 5 of process is made to stop outwards carrying cold air, equally also can save compressed air on the basis ensureing cooling effect,
Such as, timer 12 is when receiving the valve opening signal that the first locating part detector 8 sends, the pipeline valve 4 controlling each wind pipe 5 is opened, and the air outlet 6 of all wind pipes 5 all outwards carries cold air, reduces detecting instrument 7 in advance by the air themperature through region; Timer 12 sends valve closing signal when timing time reaches 10 seconds to the pipeline valve 4 of first wind pipe 5 opened, now, detecting instrument 7 just produces the air-out region of first wind pipe 5, proceed to the air-out region of second wind pipe 5, second wind pipe 5 continues to cool detecting instrument 7;
Finally, when the second locating part detector 10 detects the second locating part 11, second locating part detector 10 sends valve closing signal to the pipeline valve 4 of all wind pipes 5, all wind pipes 5 stop the cooling to detecting instrument 7, further, timer 12 stops timing when receiving the valve closing signal that the second locating part detector 10 sends and makes zero.
After this, the first locating part 9, second locating part 11 and detecting instrument 7 continue to rotate with the outer wall 1 of rotary kiln, and all wind pipes 5 repeat according to the time interval of timer 12 action cooling detecting instrument 7;
Wind pipe 5 in the present embodiment cooling device is not limited to two, when having multiple wind pipe 5, still can according to the mode of above-mentioned calculating duration after the pipeline valve 4 opening each wind pipe 5, close each wind pipe 5 successively, the air outlet 6 of the detecting instrument 7 wind pipe 5 of process is made outwards not carry cold air, to save compressed air;
The design of above-mentioned pipeline valve 4 opening and closing to wind pipe 5 and timer 12 duration etc. is not limited to aforesaid way, the mode of pipeline valve 4 opening and closing of any setting work method control wind pipe 5 by opening time different and/or asynchronously close.
In another embodiment of the present invention, cooling device also can comprise the timer 12 be connected with all pipeline valves 4, timing is started when any one pipeline valve 4 is opened, timer 12 also has the preset stopping time, such as 1 minute, after the timing time of timer 12 arrives 1 minute, send valve closing signal to all pipeline valves 4, make the air outlet 6 of all wind pipes 5 stop outwards carrying cold air, timer 12 stops timing and makes zero simultaneously;
The setting of preset stopping time is relevant with the cumulative length of all wind pipes 5, a kind of situation is, when cooling device does not have the equipment such as similar locating part and locating part detector, on wind pipe 5, air outlet 6 keeps air-out state always, a large amount of compressed air is wasted after detecting instrument 7 leaves the air-out region of air outlet 6, therefore, set a preset stopping time, after the set speed rotation preset stopping time that detecting instrument 7 rotates according to rotary kiln, rotate the air-out region leaving air outlet 6 on wind pipe 5, now, timer 12 sends valve closing signal to all pipeline valves 4, wind pipe 5 air outlet 6 is made to stop outwards carrying cold air, effective saving compressed air,
Another kind of situation is, cooling device has locating part and locating part detector, after locating part controls pipeline valve 4 unlatching of wind pipe 5, rotary kiln is out of service, detecting instrument 7 not yet leaves the air-out region of air outlet 6, the locating part detector that the pipeline valve 4 of wind pipe 5 is closed also does not detect locating part, therefore air outlet 6 still outwards carries cold air, if closing duct valve 4 is not by compressed air a large amount of for waste, now timer 12 is when reaching the preset stopping time, pipeline valve 4 to all wind pipes 5 sends valve closing signal, the air outlet 6 of wind pipe 5 is made to stop outwards carrying cold air, effective saving compressed air.
In another embodiment of the present invention, cooling device also comprises siren, siren is connected with pipeline valve 4, when pipeline valve 4 receives valve opening signal, whether testing pipes valve 4 is opened, if pipeline valve 4 is not normally opened, then give the alarm, remind staff's service conduits valve 4.
In each embodiment above-mentioned of the present invention, if the outer wall of detecting instrument 7 is provided with heat-proof device, cooling device can cool heat-proof device and detecting instrument 7 simultaneously, effect of heat insulation can be made to be deteriorated because heat-proof device is in hot environment for a long time, therefore cooling device effectively can improve the effect of heat insulation of heat-proof device, ensures that detecting instrument 7 is in normal operating temperature.
In an embodiment of the present invention, it is outside that the first locating part 9 and the second locating part 11 can be arranged on detecting instrument 7, also can be arranged on the outer wall 1 of rotary kiln by support bar; First locating part detector 8, second locating part detector 10 and wind pipe 5 are arranged on the terrace below rotary kiln by support bar.
It should be noted that, in this article, the such as relational terms of " first " and " second " etc. and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the specific embodiment of the present invention, those skilled in the art is understood or realizes the present invention.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a rotary kiln cooling device, for cooling the detecting instrument rotated on the outer wall being arranged on described rotary kiln and along with described rotary kiln, is characterized in that,
Described cooling device comprises gas pipeline, at least one wind pipe and at least one pipeline valve, wherein, each described wind pipe respectively by one independently described pipeline valve be connected with described gas pipeline;
There is between the outer wall of described wind pipe and described rotary kiln the rotatable interval passed through of described detecting instrument, described wind pipe is provided with towards the air outlet of the outer wall of described rotary kiln, and when described detecting instrument rotates with described rotary kiln on described wind pipe the air-out region of air outlet.
2. cooling device according to claim 1, it is characterized in that, described device also comprises the first locating part first locating part detector corresponding with described first locating part with at least one, and, the second locating part detector that the second locating part is corresponding with described second locating part with at least one;
Described first locating part and described second locating part are separately positioned on the both sides of described detecting instrument, and described first locating part is positioned at the front of described second locating part in the direction of rotation of described rotary kiln;
For each described wind pipe, described first locating part detector and described second locating part detector are separately positioned on the two ends of described wind pipe, further, described first locating part detector is positioned at the rear of described second locating part detector in the direction of rotation of described rotary kiln;
Described first locating part when rotating with described rotary kiln through described first locating part detector that each described wind pipe is corresponding; Described second locating part when rotating with described rotary kiln through described second locating part detector that each described wind pipe is corresponding;
Described first locating part detector is used for when described first locating part being detected, produces valve opening signal and sends to the described pipeline valve of corresponding described wind pipe, opening to make described pipeline valve;
Described second locating part detector is used for when described second locating part being detected, produces valve closing signal and sends to the described pipeline valve of corresponding described wind pipe, closing to make described pipeline valve.
3. cooling device according to claim 1, is characterized in that, described wind pipe is at least two, and the axis of described at least two wind pipes is corresponding along the direction of rotation head and the tail of described rotary kiln, described at least two wind pipes composition wind pipe group;
Described device also comprises the first locating part and the first locating part detector corresponding with described first locating part, and, the second locating part and the second locating part detector corresponding with described second locating part;
Described first locating part and described second locating part are separately positioned on the both sides of described detecting instrument, and described first locating part is positioned at the front of described second locating part in the direction of rotation of described rotary kiln;
Described first locating part detector and described second locating part detector are separately positioned on the two ends of described wind pipe group, and described first locating part detector is positioned at the rear of described second locating part detector in the direction of rotation of described rotary kiln;
Described first locating part when rotating with described rotary kiln through described first locating part detector; Described second locating part when rotating with described rotary kiln through described second locating part detector;
Described first locating part detector is used for when described first locating part being detected, produces the described pipeline valve that valve opening signal also sends to wind pipe described in each in described wind pipe group simultaneously, opens to make described pipeline valve;
Described second locating part detector is used for when described second locating part being detected, produces the described pipeline valve that valve closing signal also sends to wind pipe described in each in described wind pipe group simultaneously, closes to make described pipeline valve.
4. cooling device according to claim 1, is characterized in that, described wind pipe is at least two, and the axis of described at least two wind pipes is corresponding along the direction of rotation head and the tail of described rotary kiln, described at least two wind pipes composition wind pipe group;
Described device also comprises the first locating part and the first locating part detector corresponding with described first locating part, second locating part and the second locating part detector corresponding with described second locating part, and, respectively with the timer that in described first locating part detector, described second locating part detector and described wind pipe group, described in each, the pipeline valve of wind pipe is connected;
Described first locating part and described second locating part are separately positioned on the both sides of described detecting instrument, and described first locating part is positioned at the front of described second locating part in the direction of rotation of described rotary kiln;
Described first locating part detector and described second locating part detector are separately positioned on the two ends of described wind pipe group, and described first locating part detector is positioned at the rear of described second locating part detector in the direction of rotation of described rotary kiln;
Described first locating part when rotating with described rotary kiln through described first locating part detector; Described second locating part when rotating with described rotary kiln through described second locating part detector;
Described first locating part detector is used for when described first locating part being detected, produces valve opening signal and sends to described timer; Described timer is used for after receiving described valve opening signal, controls the described pipeline valve of wind pipe described in each in described wind pipe group according to the setting mode of operation opened during difference and/or asynchronously close;
Described second locating part detector is used for when described second locating part being detected, produces valve closing signal and sends to the described pipeline valve of wind pipe described in each in described wind pipe group, closing to make described pipeline valve.
5. cooling device according to claim 4, is characterized in that, described setting working method is:
Control the described pipeline valve of first wind pipe in the direction of rotation of described rotary kiln to open;
The direction of rotation of described rotary kiln is opened at interval of the first setting duration the described pipeline valve of a described wind pipe of residue successively, and the operating time controlled after the described pipeline valve unlatching of each described wind pipe is the second setting duration.
6. cooling device according to claim 4, is characterized in that, described setting working method is:
Control the described pipeline valve of wind pipe described in each in the direction of rotation of described rotary kiln to open simultaneously;
The operating time controlled after the described pipeline valve unlatching of each described wind pipe is the second setting duration.
7. the cooling device according to Claims 2 or 3, it is characterized in that, described cooling device also comprises the timer be connected with the described pipeline valve of described first locating part detector, described second locating part detector and wind pipe described in each respectively, and described timer starts timing when receiving described valve opening signal;
Described timer has the preset stopping time, produces valve closing signal and send to the described pipeline valve of wind pipe described in each when the timing time of described timer arrives the described preset stopping time.
8. cooling device according to claim 7, it is characterized in that, also comprise siren, described siren is connected with the described pipeline valve of wind pipe described in each, for giving the alarm when described pipeline valve receives described valve opening signal but do not open.
9. the cooling device according to any one of claim 2-4, is characterized in that, described first locating part detector and described second locating part detector are arranged on independently on support bar respectively, and described support bar is fixedly mounted on the terrace below rotary kiln.
10. cooling device according to claim 2, it is characterized in that, vertical range between described first locating part detector and the head end of corresponding described wind pipe is preset value, and the head end of described wind pipe is the one end near corresponding described first locating part detector on described wind pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410851787.2A CN104567351B (en) | 2014-12-31 | 2014-12-31 | Cooling device of rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410851787.2A CN104567351B (en) | 2014-12-31 | 2014-12-31 | Cooling device of rotary kiln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104567351A true CN104567351A (en) | 2015-04-29 |
| CN104567351B CN104567351B (en) | 2017-01-18 |
Family
ID=53083992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410851787.2A Active CN104567351B (en) | 2014-12-31 | 2014-12-31 | Cooling device of rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104567351B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09145032A (en) * | 1995-11-24 | 1997-06-06 | Hitachi Zosen Corp | Rotary kiln |
| JPH1029839A (en) * | 1996-07-19 | 1998-02-03 | Mitsubishi Materials Corp | Rotary kiln |
| CN1779401A (en) * | 2005-03-30 | 2006-05-31 | 胡炳坤 | Installation method and apparatus for instrument and telecommunication device on cylinder of rotary kiln |
| CN201255572Y (en) * | 2008-03-13 | 2009-06-10 | 胡炳坤 | Apparatus for installing computer on rotary kiln barrel |
| CN203203384U (en) * | 2013-01-31 | 2013-09-18 | 浙江邦业科技有限公司 | Cooling protector of rotary kiln non-contact temperature measuring instrument |
| JP2013204924A (en) * | 2012-03-28 | 2013-10-07 | Ube Industries Ltd | Cooling device for rotary kiln |
| JP2014185788A (en) * | 2013-03-22 | 2014-10-02 | Ube Ind Ltd | Rotary kiln shaft center correction device and rotary kiln shaft center correction method |
-
2014
- 2014-12-31 CN CN201410851787.2A patent/CN104567351B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09145032A (en) * | 1995-11-24 | 1997-06-06 | Hitachi Zosen Corp | Rotary kiln |
| JPH1029839A (en) * | 1996-07-19 | 1998-02-03 | Mitsubishi Materials Corp | Rotary kiln |
| CN1779401A (en) * | 2005-03-30 | 2006-05-31 | 胡炳坤 | Installation method and apparatus for instrument and telecommunication device on cylinder of rotary kiln |
| CN201255572Y (en) * | 2008-03-13 | 2009-06-10 | 胡炳坤 | Apparatus for installing computer on rotary kiln barrel |
| JP2013204924A (en) * | 2012-03-28 | 2013-10-07 | Ube Industries Ltd | Cooling device for rotary kiln |
| CN203203384U (en) * | 2013-01-31 | 2013-09-18 | 浙江邦业科技有限公司 | Cooling protector of rotary kiln non-contact temperature measuring instrument |
| JP2014185788A (en) * | 2013-03-22 | 2014-10-02 | Ube Ind Ltd | Rotary kiln shaft center correction device and rotary kiln shaft center correction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104567351B (en) | 2017-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204944020U (en) | A kind of refrigerator door with circulation air path and horizontal refrigerator | |
| CN106091296A (en) | Control device for rapidly quitting anti-freezing protection, air conditioning system and control method | |
| CN212633847U (en) | Hot-rolled seamless steel tube on-line cooling process tracking control system | |
| CN204058500U (en) | Blast furnace radar stock rod measuring system | |
| CN104567351A (en) | Cooling device of rotary kiln | |
| CN205919469U (en) | Control device and air conditioning system capable of rapidly quitting anti-freezing protection | |
| CN204421439U (en) | Air-conditioner | |
| CN205120328U (en) | A portable heating air supply arrangement for indoor GIS equipment SF6 gas leak detection | |
| CN105424638A (en) | Detection method for SF6 gas leakage of indoor GIS equipment and device achieving detection method | |
| CN103410682A (en) | Wind indicator | |
| CN204832842U (en) | Endurance test device of temperature sensitive controller | |
| CN206474187U (en) | Thermal shock and quick temperature changing test chamber | |
| CN207163588U (en) | A kind of solid material multiple point temperature measurement device | |
| CN107340314A (en) | External wall heat-insulation warm keeping device for detecting performance | |
| CN206721243U (en) | A kind of device that accurate leakage detection is carried out to blast furnace tuyere small sleeve | |
| CN105649816B (en) | A kind of binary plug nozzle plug centerbody cooling structure | |
| CN206956086U (en) | A kind of vacuum gas quenches furnace body temperature control system | |
| CN204044345U (en) | A kind of high/low temperature magnetic field sensing system | |
| CN105762685B (en) | A kind of substation inspection robot | |
| CN107328672A (en) | Coaxial cable fatigue detecting equipment | |
| CN108344066A (en) | A kind of multi-online air-conditioning system outdoor machine defrosting device | |
| CN202884945U (en) | Intelligent controlling non-flexible synchronous soot blower system | |
| CN205783572U (en) | Ceiling radiation anti-condensation system | |
| CN212540569U (en) | Defrosting device and testing device | |
| CN205387579U (en) | Type blast furnace soft water expansion drum prevents frostbite |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |