CN216159650U - Grate cooler stock layer thickness distribution measuring system and grate cooler control system - Google Patents
Grate cooler stock layer thickness distribution measuring system and grate cooler control system Download PDFInfo
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- CN216159650U CN216159650U CN202122123974.7U CN202122123974U CN216159650U CN 216159650 U CN216159650 U CN 216159650U CN 202122123974 U CN202122123974 U CN 202122123974U CN 216159650 U CN216159650 U CN 216159650U
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Abstract
The utility model provides a cold quick-witted bed of material thickness distribution measurement system of combing, the cold machine of combing includes casing and comb bed, and cold quick-witted bed of material thickness distribution measurement system of combing includes: the connecting part is arranged on the housing of the grate cooler and is communicated with the inner space of the housing of the grate cooler; and the non-contact material level measuring device is arranged on the connecting part, so that signals transmitted by the non-contact material level measuring device penetrate through the connecting part to be transmitted to the material on the grate bed of the grate cooler, and signals reflected by the material on the grate bed penetrate through the connecting part to return to the non-contact material level measuring device, so that the thickness of the material on the grate bed of the grate cooler is detected by the non-contact material level measuring device. The invention also provides a grate cooler control system.
Description
Technical Field
The disclosure relates to a grate cooler material layer thickness distribution measuring system and a grate cooler control system.
Background
The grate cooler is a common device on a cement production line and can cool high-temperature materials in the process of transmitting the high-temperature materials through the grate cooler.
In the prior art, the material thickness of the grate cooler reaches one thousand ℃ due to the ambient temperature, and the number of devices for testing the material thickness of the grate cooler is small at present.
Chinese utility model patent CN209783309U discloses a grate cooler material thickness measuring device for measuring the thickness of material on the grate bed in the grate cooler. But the utility model discloses a belong to contact measuring device, this measuring device's probe rod and the cold quick-witted top plate of comb have the space between for heat in the cold machine of comb runs off in a large number, is unfavorable for thermal recovery, and this cold quick-witted thick measuring device of comb installation is maintained inconvenient moreover.
SUMMERY OF THE UTILITY MODEL
In order to solve one of the technical problems, the invention provides a grate cooler material layer thickness distribution measuring system and a grate cooler control system.
According to one aspect of the disclosure, a grate cooler bed thickness distribution measuring system is provided, the grate cooler comprises a shell and a grate bed, and the grate cooler comprises:
the connecting part is arranged on the housing of the grate cooler and is communicated with the inner space of the housing of the grate cooler; and
the non-contact type material level measuring device is arranged on the connecting part, so that signals transmitted by the non-contact type material level measuring device penetrate through the connecting part to be transmitted to the material on the grate bed of the grate cooler, and signals reflected by the material on the grate bed penetrate through the connecting part to return to the non-contact type material level measuring device, so that the thickness of the material on the grate bed of the grate cooler is detected by the non-contact type material level measuring device.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the disclosure, a through hole is formed in the casing of the grate cooler, and the connecting part is inserted into the through hole and sealed with the casing of the grate cooler.
According to the grate cooler bed thickness distribution measuring system in at least one embodiment of the disclosure, one end of the connecting part, which is far away from the non-contact level measuring device, penetrates through the casing of the grate cooler and is positioned inside the casing of the grate cooler.
According to the grate cooler material layer thickness distribution measuring system of at least one embodiment of the disclosure, the grate cooler comprises a heat insulation layer, one end of the connecting part, which is far away from the non-contact level measuring device, is flush with the inner surface of the heat insulation layer or does not extend out of the inner surface of the heat insulation layer, and is spaced from the inner surface of the heat insulation layer by a preset distance.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the present disclosure, a plane on which one end of the connecting portion away from the non-contact level measuring device is located is perpendicular to an axis of the connecting portion or forms an included angle with the axis of the connecting portion, wherein an angle value of the included angle is an acute angle.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the disclosure, the connecting part is installed on the casing of the grate cooler through a fixing device.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of this disclosure, the connecting part includes the metal pipe.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the disclosure, the interior of the metal pipe is a hollow area, the cross section of the hollow area is circular or rectangular, and the wall thickness of the metal pipe is 1-10 mm.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the present disclosure, a lens antenna is arranged inside the metal tube, so that the beam is converged by the lens antenna.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the disclosure, the radiating fins are arranged outside the metal tubes and are positioned at one end, far away from the shell of the grate cooler, of the metal tubes.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the present disclosure, an air inlet is formed on the metal tube, the air inlet is connected with an air inlet tube to provide cooling gas to the inside of the metal tube through the air inlet tube, wherein the cooling gas enters the inside of the casing of the grate cooler through the metal tube.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the present disclosure, the air inlet pipe is provided with a one-way valve, and the one-way valve allows air to enter the metal pipe through the air inlet pipe.
According to the grate cooler material layer thickness distribution measuring system of at least one embodiment of the disclosure, a valve is arranged between the connecting part and the non-contact material level measuring device, when the valve is in an open state, electromagnetic waves emitted by the non-contact material level measuring device penetrate through the valve to enter the connecting part, and reflection echoes of the electromagnetic waves penetrate through the valve to be received by the non-contact material level measuring device.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the disclosure, when the valve is in a closed state, the non-contact level measuring device is replaced.
According to the grate cooler bed thickness distribution measuring system in at least one embodiment of the present disclosure, the connecting portion faces the furnace opening of the grate cooler, and is used for measuring the material thickness at the furnace opening of the grate cooler.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the disclosure, the connecting part is obliquely arranged, so that the connecting part faces to the position of a furnace opening of the grate cooler.
According to the grate cooler material layer thickness distribution measuring system in at least one embodiment of the disclosure, the number of the non-contact material level measuring devices is multiple along the moving direction of the material in the grate cooler, so that the material layer thickness distribution information along the length direction of the grate plate of the whole grate cooler can be obtained through the material thickness information of the material detected by the non-contact material level measuring devices.
According to the grate cooler material layer thickness distribution measuring system of at least one embodiment of the disclosure, the number of the non-contact type material level measuring devices is multiple along the direction perpendicular to the moving direction of the material in the grate cooler, so that the material layer thickness distribution information of the material layer in the position where the non-contact type material level measuring devices are installed and perpendicular to the length direction of the grate plate of the grate cooler is obtained through the material thickness information of the material detected by the non-contact type material level measuring devices.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the disclosure, the non-contact type material level measuring devices are arranged in multiple rows and multiple columns above the material of the grate plate of the grate cooler, so that the bed thickness distribution information of the whole material is displayed through the non-contact type material level measuring devices in multiple rows and multiple columns.
The grate cooler material layer thickness distribution measuring system according to at least one embodiment of the present disclosure further includes a server connected to the non-contact level measuring device and configured to acquire material thickness information at a current position detected by the non-contact level measuring device and generate material layer thickness distribution information.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the present disclosure, the server is further configured to read current state information of the non-contact level measuring device and to set parameter information of the non-contact level measuring device.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the present disclosure, the non-contact level measuring device is selected from at least one of a radar level gauge and a laser range finder.
According to the grate cooler bed thickness distribution measurement system of at least one embodiment of the present disclosure, the radar level gauge is selected from at least one of a radar level gauge above 60ghz and a frequency modulated continuous wave radar level gauge.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the present disclosure, when the non-contact level measuring device includes a laser distance meter, a transparent heat insulation device is arranged in the connecting portion to reduce the heat transferred to the laser distance measurement.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the present disclosure, the connecting portion is provided with an air inlet, the air inlet is connected with an air inlet pipe to provide cooling gas into the connecting portion through the air inlet pipe, wherein the air inlet is located below the transparent heat insulation device.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the present disclosure, the transparent heat insulation device is circular in shape and is fixed by an upper fixing piece and a lower fixing piece, wherein both the upper fixing piece and the lower fixing piece are fixed on the connecting portion, and the transparent heat insulation device is fixed between the upper fixing piece and the lower fixing piece.
According to the grate cooler bed thickness distribution measuring system of at least one embodiment of the disclosure, a sealing device is arranged between the upper fixing piece and the transparent heat insulation device, and/or between the lower fixing piece and the transparent heat insulation device.
According to another aspect of the disclosure, a grate cooler control system is provided, which comprises the grate cooler bed thickness distribution measuring system, wherein the grate cooler bed thickness distribution measuring system is used for detecting the material thickness at the furnace mouth and the material thickness of the grate bed of the grate cooler.
According to the grate cooler control system of at least one embodiment of this disclosure, still include:
and the control part is used for controlling the speed of the material leveling equipment of the grate cooler according to the material thickness at the furnace opening detected by the grate cooler material layer thickness distribution measuring system and controlling the movement speed of the grate bed according to the material thickness of the grate bed detected by the grate cooler material layer thickness distribution measuring system.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural diagram of a grate cooler bed thickness distribution measurement system according to one embodiment of the disclosure.
FIGS. 2 and 3 are schematic structural views of a non-contact level gauging apparatus according to an embodiment of the present disclosure.
FIG. 4 is a schematic structural diagram of a grate cooler control system according to one embodiment of the disclosure.
The reference numbers in the figures are in particular:
100 grate cooler bed of material thickness distribution measurement system
110 connecting part
120 non-contact level measuring device
130 fixing device
140 valve
150 transparent heat insulation device
160 upper fixing piece
170 lower fixing piece
180 air inlet pipe
190 heat sink
210 casing
220 grate bed.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. Technical solutions of the present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Unless otherwise indicated, the illustrated exemplary embodiments/examples are to be understood as providing exemplary features of various details of some ways in which the technical concepts of the present disclosure may be practiced. Accordingly, unless otherwise indicated, features of the various embodiments may be additionally combined, separated, interchanged, and/or rearranged without departing from the technical concept of the present disclosure.
The use of cross-hatching and/or shading in the drawings is generally used to clarify the boundaries between adjacent components. As such, unless otherwise noted, the presence or absence of cross-hatching or shading does not convey or indicate any preference or requirement for a particular material, material property, size, proportion, commonality between the illustrated components and/or any other characteristic, attribute, property, etc., of a component. Further, in the drawings, the size and relative sizes of components may be exaggerated for clarity and/or descriptive purposes. While example embodiments may be practiced differently, the specific process sequence may be performed in a different order than that described. For example, two processes described consecutively may be performed substantially simultaneously or in reverse order to that described. In addition, like reference numerals denote like parts.
When an element is referred to as being "on" or "on," "connected to" or "coupled to" another element, it can be directly on, connected or coupled to the other element or intervening elements may be present. However, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element, there are no intervening elements present. For purposes of this disclosure, the term "connected" may refer to physically, electrically, etc., and may or may not have intermediate components.
For descriptive purposes, the present disclosure may use spatially relative terms such as "below … …," below … …, "" below … …, "" below, "" above … …, "" above, "" … …, "" higher, "and" side (e.g., as in "side wall") to describe one component's relationship to another (other) component as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below … …" can encompass both an orientation of "above" and "below". Further, the devices may be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The terminology used herein is for the purpose of describing particular embodiments and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, when the terms "comprises" and/or "comprising" and variations thereof are used in this specification, the presence of stated features, integers, steps, operations, elements, components and/or groups thereof are stated but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groups thereof. It is also noted that, as used herein, the terms "substantially," "about," and other similar terms are used as approximate terms and not as degree terms, and as such, are used to interpret inherent deviations in measured values, calculated values, and/or provided values that would be recognized by one of ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a grate cooler bed thickness distribution measurement system according to one embodiment of the disclosure.
As shown in FIG. 1, the grate cooler material layer thickness distribution measuring system 100 comprises a housing 210 and a grate 220, and comprises:
the connecting part 110, the connecting part 110 is arranged on the casing 210 of the grate cooler, and the connecting part 110 is communicated with the inner space of the casing 210 of the grate cooler; and
a non-contact level gauge 120, the non-contact level gauge 120 being mounted to the connection part 110 such that a signal transmitted by the non-contact level gauge 120 is transmitted to the material of the grate bed 220 of the grate cooler through the connection part 110, and a signal reflected by the material of the grate bed 220 is returned to the non-contact level gauge 120 through the connection part 110 to detect the thickness of the material on the grate bed 220 of the grate cooler through the non-contact level gauge 120.
The grate cooler material layer thickness distribution measuring system can measure the material layer thickness of the grate cooler, reduces the influence of the high temperature of the material on the non-contact material level measuring device, and solves the technical problems in the background technology.
In an alternative embodiment of the present disclosure, the housing 210 is disposed to surround the grate plate of the grate cooler from the front side, the upper side and the rear side, in this case, the connecting part may be mounted on a front side housing, an upper side housing and/or the rear side housing, i.e., on a side wall and a top wall of the housing.
In the disclosure, the grate cooler further comprises a heat insulation layer, wherein the heat insulation layer is arranged inside the shell, can be in contact with the inner surface of the shell, and can also be spaced from the inner surface of the shell by a certain distance.
Preferably, the casing 210 of the grate cooler is provided with a through hole, and the connecting part 110 is inserted into the through hole and sealed with the casing 210 of the grate cooler.
And when the grate cooler comprises the heat insulation layer, the position of the heat insulation layer relative to the through hole is also provided with the through hole, so that a signal sent by the non-contact level measuring device can reach the surface of the material.
According to at least one embodiment of the present disclosure, one end of the connecting part 110, which is far away from the non-contact level measuring device 120, passes through the casing 210 of the grate cooler and is located inside the casing 210 of the grate cooler.
Preferably, one end of the connecting part 110, which is far away from the non-contact level measuring device 120, penetrates through a heat insulation layer of the grate cooler and is positioned inside the heat insulation layer of the grate cooler.
Alternatively, one end of the connecting portion 110, which is away from the non-contact level gauge 120, is flush with the inner wall surface of the housing 210, or does not protrude out of the inner wall surface of the housing 210, and is spaced from the inner wall surface of the housing 210 by a preset distance.
On the other hand, when the grate cooler bed thickness distribution measuring system comprises a thermal insulation layer, the end of the connecting part 110 far away from the non-contact level measuring device 120 is flush with the inner surface of the thermal insulation layer or does not extend out of the inner surface of the thermal insulation layer, and is spaced from the inner surface of the thermal insulation layer by a preset distance.
In the present disclosure, a plane on which an end of the connecting portion 110 away from the non-contact level measuring device 120 is located is perpendicular to an axis of the connecting portion 110 or forms an included angle with the axis of the connecting portion 110, where an angle value is an acute angle.
That is, the lower end of the connecting portion 110 may be flush or form a chamfered cut, and preferably, the lower end of the connecting portion is formed as a chamfered cut.
The connecting part 110 is mounted on the casing 210 of the grate cooler through a fixing device 130. At this time, the fixing device may be installed on the heat insulating layer or on the casing 210 of the grate cooler and located on the upper surface of the casing 210, and preferably, a sealing structure is provided between the fixing structure and the connection part to seal a portion between the fixing device and the connection part.
The fixing device 130 may be a structure that is common in the art, and a detailed description of the structure of the fixing device 130 is omitted here.
In an optional embodiment of the present disclosure, the connection portion 110 includes a metal tube, and the metal tube may be a high temperature resistant metal tube, for example, the material of the metal tube may be stainless steel with 1000 ℃.
The interior of the metal pipe is a hollow area, the cross section of the hollow area is circular or rectangular, and the wall thickness of the metal pipe is 1-10 mm.
In the present disclosure, a lens antenna is provided inside the metal pipe to converge a beam through the lens antenna. The converged beams comprise two aspects, on one hand, electromagnetic waves emitted by the non-contact level measuring device are converged and then emitted outwards, and on the other hand, the beams transmitted back from the metal pipe are converged and then transmitted to the non-contact level measuring device.
FIG. 2 is a schematic view of a non-contact level gauging apparatus according to an embodiment of the present disclosure.
In the present disclosure, as shown in fig. 2, a heat sink 190 is disposed outside the metal pipe, and the heat sink 190 is located at one end of the metal pipe away from the casing 210 of the grate cooler, so that the temperature of the metal pipe close to the non-contact level measuring device 120 is reduced by the disposition of the heat sink 190, thereby reducing the influence of the temperature on the non-contact level measuring device 120.
In the present disclosure, the heat dissipation fins 190 are located outside the casing of the grate cooler, or at least should be located outside the thermal insulation layer of the grate cooler.
In the present disclosure, an air inlet is formed in the metal tube, and the air inlet is connected to an air inlet tube 180 to supply cooling gas to the inside of the metal tube through the air inlet tube 180, wherein the cooling gas enters the inside of the casing 210 of the grate cooler through the metal tube. More preferably, the air inlet is located outside the casing 210 of the grate cooler.
In an alternative embodiment of the present disclosure, the gas inlet tube 180 is provided with a one-way valve, which allows gas to enter the metal tube through the gas inlet tube 180 and does not allow gas to enter the gas inlet tube 180 from the metal tube, so as to prevent high-temperature gas from being blown back to the gas inlet tube 180 when the pressure of the gas source is insufficient, which may cause damage to the gas path and the radar level gauge (the non-contact level measuring device 120).
In an alternative embodiment of the present disclosure, a valve 140 is provided between the connection portion 110 and the non-contact level gauging device 120, and when the valve 140 is in an open state, electromagnetic waves emitted by the non-contact level gauging device 120 enter the connection portion 110 through the valve 140, and a reflected echo of the electromagnetic waves is received by the non-contact level gauging device 120 through the valve 140.
Preferably, when the valve 140 is in a closed state, the non-contact level gauge 120 is replaced, that is, when the non-contact level gauge 120 is removed, high-temperature gas inside the grate cooler is not sprayed out, thereby facilitating the replacement of the non-contact level gauge 120.
In an optional embodiment of the present disclosure, the connecting portion 110 faces the position of the furnace opening of the grate cooler, and is used for realizing the measurement of the material thickness at the position of the furnace opening of the grate cooler, the measurement of the material layer thickness of the furnace opening can estimate the amount of the material entering the grate bed more accurately and more timely, and the control of the movement of the grate bed according to the amount can obtain a more ideal material thickness control effect.
The position of the furnace opening refers to materials which are about to fall on the grate bed or just fall on the grate bed to be subjected to a material leveling area.
The connecting part 110 is obliquely arranged, so that the connecting part 110 faces to the position of a furnace opening of the grate cooler.
In an optional embodiment of the present disclosure, the non-contact level measuring devices 120 are arranged in plurality along the moving direction of the material in the grate cooler, so as to obtain the material layer thickness distribution information along the length direction of the grate plate of the whole grate cooler through the material thickness information of the material detected by the non-contact level measuring devices 120.
On the other hand, a plurality of non-contact level measuring devices 120 are arranged along a direction perpendicular to the moving direction of the material in the grate cooler, so that the material thickness distribution information of the material layer in the position where the non-contact level measuring devices 120 are installed and in the direction perpendicular to the length direction of the grate plate of the grate cooler can be obtained through the material thickness information of the material detected by the plurality of non-contact level measuring devices 120.
On the other hand, the non-contact level measuring device 120 is arranged in a plurality of rows and a plurality of columns above the material of the grate plate of the grate cooler, so that the thickness distribution information of the material layer of the whole material is displayed by the non-contact level measuring device 120 in the plurality of rows and the plurality of columns.
More preferably, the grate cooler bed thickness distribution measuring system 100 further comprises a server, which is connected to the non-contact level gauge 120 and is configured to acquire the material thickness information at the current position detected by the non-contact level gauge 120 and generate the material layer thickness distribution information.
In the present disclosure, the server displays the material thickness data of each point where the non-contact level measuring device 120 is installed in a two-dimensional or three-dimensional form, so as to form material layer thickness distribution information on the grate plate of the grate cooler.
As an implementation form, the non-contact level gauging devices 120 may be distributed in the direction of movement of the material. For example, a grate cooler with the length of 50 meters is uniformly provided with 11 points to realize one point with the length of 5 meters, and then the data of the 11 points are displayed in a curve form at a server end, wherein the horizontal axis of the curve is the position of the point, and the vertical axis of the curve is the thickness of a material layer at the point.
As another implementation form, the non-contact level gauging devices 120 may be distributed in the material moving direction and in the vertical direction. For example, the distribution of the grate cooler of 50 meters is 11 x 3 points, the realization is realized, and then the data of 33 points is displayed in the form of a curved surface at the server end. Wherein the horizontal axis is the x-axis showing the position of the point in the material moving direction, and wherein the y-axis showing the position of the point in the direction perpendicular to the material moving direction. The z-axis represents the bed thickness of material at each point. Thereby forming a curved display.
The communication mode between the server and the non-contact level gauge 120 may be 4-20mA signal, or RS485 communication.
In the present disclosure, the server is also used for reading current state information of the contactless level gauging device 120, and for setting parameter information of the contactless level gauging device 120.
For example, the server may set performance parameters, self-diagnostic parameters, echo curves, etc. of the contactless level gauge 120; and remote instrument debugging can be realized, and early warning on instrument faults can be realized, so that the safety of the whole system is improved, and the maintenance amount is reduced.
As an implementation form, the non-contact level gauge 120 is selected from at least one of a radar level gauge and a laser range finder.
Preferably, the radar level gauge is selected from at least one of radar level gauges above 60ghz and frequency modulated continuous wave radar level gauges.
In the present disclosure, the radar level gauge comprises a lens structure, or the radar level gauge has a horn structure, or a lower end of the connecting portion, i.e. the end remote from the radar level gauge, is formed as a horn structure.
FIG. 3 is a schematic view of the structure of a non-contact level gauging apparatus according to one embodiment of the present disclosure.
In an alternative embodiment of the present disclosure, as shown in FIG. 3, when the non-contact level gauge 120 comprises a laser rangefinder, a transparent thermal insulation device 150 is disposed within the connection portion 110 to reduce the amount of heat transferred to the laser rangefinder.
The transparent heat insulation device 150 may be made of glass.
The connecting portion 110 is provided with an air inlet, the air inlet is connected with an air inlet pipe 180 to provide cooling air into the connecting portion 110 through the air inlet pipe 180, wherein the air inlet is located below the transparent heat insulation device 150.
In the present disclosure, the transparent heat insulation apparatus 150 has a circular shape, and the transparent heat insulation apparatus 150 is fixed by an upper fixing member 160 and a lower fixing member 170, wherein the upper fixing member 160 and the lower fixing member 170 are both fixed to the connection portion 110, and the transparent heat insulation apparatus 150 is fixed between the upper fixing member 160 and the lower fixing member 170.
The upper fixing member 160 and the lower fixing member 170 are both ring-shaped, and a sealing device is disposed between the upper fixing member 160 and the transparent heat insulation device 150, and/or between the lower fixing member 170 and the transparent heat insulation device 150, preferably, a graphite sealing ring may be selected as the sealing device.
FIG. 4 is a schematic structural diagram of a grate cooler control system according to one embodiment of the disclosure.
According to another aspect of the disclosure, as shown in fig. 4, a grate cooler control system is provided, the grate cooler control system comprises the grate cooler bed thickness distribution measuring system 100, and the grate cooler bed thickness distribution measuring system 100 is used for detecting the material thickness at the furnace mouth and the material thickness of a grate bed 220 of a grate cooler.
Preferably, the grate cooler control system further comprises:
and the control part is used for controlling the speed of the material leveling equipment of the grate cooler according to the material thickness at the furnace opening detected by the grate cooler material layer thickness distribution measuring system 100 and controlling the movement speed of the grate bed 220 according to the material thickness of the grate bed 220 detected by the grate cooler material layer thickness distribution measuring system 100, so that the material is cooled in the process of passing through the grate bed 220.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (29)
1. The utility model provides a cold quick-witted bed of material thickness distribution measurement system of combing, the cold machine of combing includes casing and comb bed, its characterized in that includes:
the connecting part is arranged on the housing of the grate cooler and is communicated with the inner space of the housing of the grate cooler; and
the non-contact type material level measuring device is arranged on the connecting part, so that signals transmitted by the non-contact type material level measuring device penetrate through the connecting part to be transmitted to the material on the grate bed of the grate cooler, and signals reflected by the material on the grate bed penetrate through the connecting part to return to the non-contact type material level measuring device, so that the thickness of the material on the grate bed of the grate cooler is detected by the non-contact type material level measuring device.
2. The system for measuring the thickness distribution of the bed of the grate cooler according to claim 1, wherein a through hole is formed in the casing of the grate cooler, and the connecting part is inserted into the through hole and sealed with the casing of the grate cooler.
3. The grate cooler bed thickness distribution measuring system of claim 2, wherein one end of the connecting part, which is far away from the non-contact level measuring device, penetrates through the casing of the grate cooler and is positioned inside the casing of the grate cooler.
4. The grate cooler bed thickness distribution measuring system of claim 2, wherein the grate cooler comprises a thermal insulating layer, and one end of the connecting part, which is far away from the non-contact level measuring device, is flush with the inner surface of the thermal insulating layer or does not extend out of the inner surface of the thermal insulating layer and is spaced from the inner surface of the thermal insulating layer by a preset distance.
5. The grate cooler bed thickness distribution measuring system of claim 3 or 4, wherein a plane on which one end of the connecting part far away from the non-contact level measuring device is positioned is perpendicular to the axis of the connecting part or forms an included angle with the axis of the connecting part, and the included angle has an acute angle value.
6. The grate cooler bed thickness distribution measuring system of claim 2, wherein the connecting part is mounted on the casing of the grate cooler through a fixing device.
7. The grate cooler bed thickness distribution measurement system of claim 1 wherein the connection comprises a metal tube.
8. The grate cooler bed thickness distribution measuring system of claim 7, wherein the interior of the metal tube is a hollow area, the cross section of the hollow area is circular or rectangular, and the wall thickness of the metal tube is 1-10 mm.
9. The grate cooler bed thickness distribution measuring system of claim 7, wherein a lens antenna is arranged inside the metal tube to focus a beam through the lens antenna.
10. The grate cooler bed thickness distribution measuring system of claim 7, wherein the metal tubes are externally provided with cooling fins, and the cooling fins are positioned at one end of the metal tubes far away from the shell of the grate cooler.
11. The grate cooler bed thickness distribution measuring system of claim 7, wherein the metal tube is provided with an air inlet, the air inlet is connected with an air inlet pipe, so that cooling gas is supplied to the inside of the metal tube through the air inlet pipe, and the cooling gas enters the inside of the casing of the grate cooler through the metal tube.
12. The grate cooler bed thickness distribution measuring system of claim 11 wherein said inlet pipe is provided with a one-way valve which allows gas to enter the interior of said metal pipe through said inlet pipe.
13. The grate cooler bed thickness distribution measurement system of claim 1, wherein a valve is disposed between the connection portion and the non-contact level measurement device, when the valve is in an open state, electromagnetic waves emitted by the non-contact level measurement device enter the connection portion through the valve, and a reflected echo of the electromagnetic waves is received by the non-contact level measurement device through the valve.
14. The system for measuring the thickness distribution of the bed of cooler material of claim 13 wherein the non-contact level gauge is replaced when the valve is in a closed state.
15. The grate cooler bed thickness distribution measuring system of claim 1, wherein the connecting part faces the position of the furnace opening of the grate cooler and is used for measuring the material thickness at the position of the furnace opening of the grate cooler.
16. The grate cooler bed thickness distribution measuring system of claim 15 wherein the connections are angled such that the connections are oriented toward the grate cooler throat location.
17. The grate cooler bed thickness distribution measuring system of claim 1, wherein a plurality of non-contact type level measuring devices are arranged along the moving direction of the material in the grate cooler, so that the bed thickness distribution information along the length direction of the grate plate of the whole grate cooler can be obtained through the material thickness information of the material detected by the non-contact type level measuring devices.
18. The grate cooler bed thickness distribution measuring system of claim 1, wherein a plurality of non-contact type level measuring devices are arranged along a direction perpendicular to the moving direction of the material in the grate cooler, so that the bed thickness distribution information perpendicular to the length direction of the grate plate of the grate cooler at the installation position of the non-contact type level measuring devices is obtained through the material thickness information of the material detected by the plurality of non-contact type level measuring devices.
19. The system for measuring the bed thickness distribution of the grate cooler according to claim 1, wherein the non-contact type level measuring devices are arranged in a plurality of rows and a plurality of columns above the material of the grate plate of the grate cooler so as to display the bed thickness distribution information of the whole material through the non-contact type level measuring devices in the plurality of rows and the plurality of columns.
20. The grate cooler bed thickness distribution measuring system of one of claims 17 to 19, further comprising a server connected to the non-contact level gauge and configured to acquire material thickness information at a current position detected by the non-contact level gauge and generate bed thickness distribution information.
21. The grate cooler bed thickness distribution measurement system of claim 20, wherein the server is further configured to read current state information of the non-contact level gauge and to set parameter information of the non-contact level gauge.
22. The grate cooler bed thickness distribution measurement system of claim 1 wherein the non-contact level measurement device is selected from at least one of a radar level gauge and a laser range finder.
23. The grate cooler bed thickness distribution measurement system of claim 22 wherein the radar level gauge is selected from at least one of a radar level gauge above 60ghz and a frequency modulated continuous wave radar level gauge.
24. The system for measuring the thickness distribution of the bed of grate cooler of claim 23 wherein when said non-contact level measuring device comprises a laser rangefinder, a transparent thermal insulation device is disposed within said connecting portion to reduce the amount of heat transferred to the laser ranging distance.
25. The system for measuring the thickness distribution of the grate cooler bed of claim 24, wherein the connecting part is provided with an air inlet, the air inlet is connected with an air inlet pipe to provide cooling air into the connecting part through the air inlet pipe, and the air inlet is positioned below the transparent heat insulation device.
26. The grate cooler bed thickness distribution measuring system of claim 24 wherein the transparent thermal insulation means is circular in shape and is secured by an upper securing member and a lower securing member, wherein the upper securing member and the lower securing member are secured to the connection portion such that the transparent thermal insulation means is secured between the upper securing member and the lower securing member.
27. The grate cooler bed thickness distribution measuring system of claim 26, wherein a sealing device is arranged between the upper fixing piece and the transparent heat insulation device and/or between the lower fixing piece and the transparent heat insulation device.
28. A grate cooler control system, characterized by comprising the grate cooler bed thickness distribution measuring system of any one of claims 1 to 27, wherein the grate cooler bed thickness distribution measuring system is used for detecting the material thickness at a furnace mouth and the material thickness of a grate bed of a grate cooler.
29. The grate cooler control system of claim 28, further comprising:
and the control part is used for controlling the speed of the material leveling equipment of the grate cooler according to the material thickness at the furnace opening detected by the grate cooler material layer thickness distribution measuring system and controlling the movement speed of the grate bed according to the material thickness of the grate bed detected by the grate cooler material layer thickness distribution measuring system.
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| CN113776342A (en) * | 2021-09-03 | 2021-12-10 | 罗克希尔测控技术(天津)有限公司 | Grate cooler stock layer thickness distribution measuring system and grate cooler control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113776342A (en) * | 2021-09-03 | 2021-12-10 | 罗克希尔测控技术(天津)有限公司 | Grate cooler stock layer thickness distribution measuring system and grate cooler control system |
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