CN202522057U - In-kiln flow field control system of mesh-belt kiln - Google Patents
In-kiln flow field control system of mesh-belt kiln Download PDFInfo
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- CN202522057U CN202522057U CN2012201285781U CN201220128578U CN202522057U CN 202522057 U CN202522057 U CN 202522057U CN 2012201285781 U CN2012201285781 U CN 2012201285781U CN 201220128578 U CN201220128578 U CN 201220128578U CN 202522057 U CN202522057 U CN 202522057U
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Abstract
The utility model relates to an in-kiln flow field control system of a mesh-belt kiln. A kiln tail air inlet is arranged at the tail part of a low box at a cooling section of the mesh-belt kiln; multiple low box air suction covers are arranged on the top wall of the low box; the upper port of each low box air suction cover is connected with a low box branch air channel respectively; a low box air channel electric adjusting valve is arranged in each low box branch air channel respectively; the upper port of each low box branch air channel is connected into a low box main air channel respectively; the low box main air channel is connected with an air suction port of a cooling fan; an air outlet of the cooling fan is connected into a high box main air channel; the high box main air channel is located above the low box and extends along the length direction of the high box; multiple high box air outlet covers are arranged on the top wall of the high box; the upper port of each high box air outlet cover is connected with a high box branch air channel respectively; a high box air channel electric adjusting valve is arranged in each high box branch air channel respectively; and the upper port of each high box branch air channel is connected with a high box main air channel respectively. The in-kiln flow field control system of a mesh-belt kiln can control the in-kiln temperature of the mesh-belt kiln more accurately, and thus improves the preparation quality of a denitration catalyst.
Description
Technical field
The utility model relates to a kind of calcining mesh-belt kiln of producing denitrating catalyst, and particularly a kind of mesh-belt kiln kiln flow field is controlled system, belongs to denitrating catalyst manufacturing facility technical field.
Background technology
The calcining mesh-belt kiln of producing denitrating catalyst is provided with heat up section, first section of burning till, secondary temperature elevation section, second section of burning till and cooling section successively along the guipure direction of advance, after denitrating catalyst burns till, finally will carry out cooling and shaping at cooling section.Catalyst can cause the contraction of product on length and width because of losing of moisture in the process of cooling; If at this moment the temperature field in the kiln will cause the moisture on same catalyst to lose different with moisture field is too inhomogeneous; Same catalyst contraction in the horizontal and vertical directions is inconsistent, thereby causes the catalyst cracking.Present mesh-belt kiln adopts the mode of cooling naturally more, makes that the section of burning till temperature is generally higher, the cooling section difficult control of temperature, and the actual temperature in the kiln and the technological temperature error ratio of setting are bigger, are difficult to guarantee technological requirement and product quality.
The utility model content
The purpose of the utility model is, overcomes the problem that exists in the prior art, provides a kind of mesh-belt kiln kiln flow field to control system, can control the mesh-belt kiln kiln temperature more accurately.
For solving above technical problem; A kind of mesh-belt kiln kiln flow field that the utility model provided is controlled system; Comprise that high case of mesh-belt kiln cooling section and mesh-belt kiln cooling section hang down case; Guipure is positioned at the middle part of the high case short transverse of said mesh-belt kiln cooling section and extends to the low case of said mesh-belt kiln cooling section along horizontal plane; Tiling has denitrating catalyst on the said guipure; The afterbody of the low case of said mesh-belt kiln cooling section is provided with the kiln tail air inlet wide with guipure, and the lower end of said kiln tail air inlet is concordant with guipure, and the roof of the low case of said mesh-belt kiln cooling section is provided with a plurality of low case suspended hoods; Each said low case suspended hood lays respectively at the middle part of the low case width of said mesh-belt kiln cooling section and evenly distributes along the low case length direction of mesh-belt kiln cooling section; The port of each said low case suspended hood is connected with low case branch air duct respectively, is respectively equipped with low case air channel electric control valve in each said low case branch air duct, and the port of each said low case branch air duct inserts the low total air channel of case respectively; The total air channel of said low case along continuous straight runs extends and is connected with the inlet scoop of cooling blower; The air outlet of said cooling blower inserts the total air channel of high case, and the total air channel of said high case is positioned at said mesh-belt kiln cooling section high case top and extends along the high case length direction of mesh-belt kiln cooling section, and the roof of the high case of said mesh-belt kiln cooling section is provided with a plurality of high case outlet housings; Each said high case outlet housing lays respectively at the middle part of the high case width of said mesh-belt kiln cooling section and evenly distributes along the high case length direction of mesh-belt kiln cooling section; The port of each said high case outlet housing is connected with high case branch air duct respectively, is respectively equipped with high case air channel electric control valve in each said high case branch air duct, and the port of each said high case branch air duct is connected with the total air channel of said high case respectively.
With respect to prior art, the utility model has been obtained following beneficial effect: denitrating catalyst moves to the low case of mesh-belt kiln cooling section from the high case of mesh-belt kiln cooling section with guipure, and temperature progressively obtains cooling from high to low in this process; Cold wind gets into the low case of mesh-belt kiln cooling section from kiln tail air inlet; Skim over guipure and denitrating catalyst flow upstream; Get into low case branch air duct through low case suspended hood then; The suction air volume of controlling each low case suspended hood through the aperture of regulating low case air channel electric control valve is even, and the wind of each low case branch air duct compiles into the total air channel of low case, sends into the total air channel of high case by cooling blower again; Get into each high case branch air duct by the total air channel of high case then, the air output of controlling each high case outlet housing through the aperture of regulating each high case air channel electric control valve is even; Fresh air temperature in the low case of firm entering mesh-belt kiln cooling section is low and water capacity is low, and denitrating catalyst minimum with temperature and relatively dry contacts, and can keep the well hot exchange of wetting; Along with the cold wind flow upstream; The temperature of cold wind progressively rises, and water capacity progressively improves, and the blower fan that is cooled this moment is delivered in the high case of mesh-belt kiln cooling section; The denitrating catalyst higher with temperature, that water capacity is higher contacts; Continuation can keep the well wet exchange of heat, and the denitrating catalyst temperature difference and the psychrometric difference that can keep relative stability in traveling process and between the cold wind, avoids quenching to cause the catalyst cracking.
As the preferred version of the utility model, the top of the total air channel of said high case entrance is connected with wind output channel, and the exhaust outlet place of said wind output channel is provided with the air draft electric control valve.Can carry out the cold wind that the wet exchange of heat back temperature raises, water capacity strengthens through the low case of mesh-belt kiln cooling section by discharge section through wind output channel, strengthen the resh air requirement that gets into the low case of mesh-belt kiln cooling section, the aperture of air draft electric control valve is big more; The air capacity of discharging is big more; The water capacity of discharging with air is big more, and the new wind that gets into from kiln tail air inlet is many more, and the aperture of air draft electric control valve is more little; The air capacity of discharging is more little; The water capacity of discharging with air is few more, and the new wind that gets into from kiln tail air inlet is few more, total can make the temperature of high case air channel air and humidity be in a suitable level through the aperture of regulating the air draft electric control valve.
As the preferred version of the utility model, the inlet of each said low case suspended hood all tilts to kiln tail direction, and each said high case outlet housing all tilts to the rightabout of kiln tail.The inlet of low case suspended hood all tilts to help to reduce the resistance that cold wind gets into low case branch air duct to kiln tail direction, and high case outlet housing is to the guipure upstream oblique, is beneficial to the cold wind that the reduces downstream resistance when high case branch air duct flows out.
Preferred version as the utility model; The top, middle part in the total air channel of said high case is provided with pressure transmitter; The signal input part of the signal output part cut-in pressure intelligent controller of said pressure transmitter; The analog quantity output of said pressure intelligent controller inserts the pressure signal input of frequency converter, and the clutch end of said frequency converter inserts and drive the motor of said cooling blower.The blast that pressure transmitter is surveyed the total air channel of high case offers the pressure intelligent controller; The pressure intelligent controller compares and offers frequency converter with actual blast and setting blast; When actual blast when setting blast, frequency converter will improve the rotating speed of cooling blower; When actual blast when setting blast, frequency converter will reduce the rotating speed of cooling blower.
As the preferred version of the utility model, said pressure transmitter is a PTG500 type blast pressure transmitter, and said pressure intelligent controller is an XSH/C/SIIIG1VON type pressure intelligent controller, and said frequency converter is a NVF2-2.5/PS4 type frequency converter.
Preferred version as the utility model; The middle part of the low case width of said mesh-belt kiln cooling section is provided with the low one to one oven temperature, degree sensor of a plurality of and said low case air channel electric control valve, each said low oven temperature, degree sensor along the low case length direction of mesh-belt kiln cooling section evenly distribution and with each said low case suspended hood space; The signal output part of each said low oven temperature, degree sensor inserts the signal input part of corresponding temperature intelligent controller respectively, and the analog quantity output of each said temperature intelligent controller inserts the signal input part of corresponding low case air channel electric control valve respectively.The temperature that low oven temperature, degree sensor is surveyed in the low case of mesh-belt kiln cooling section offers the temperature intelligent controller; The temperature intelligent controller compares and offers corresponding low case air channel electric control valve with actual temperature and design temperature; When actual temperature is lower than design temperature, low accordingly case air channel electric control valve will reduce aperture; When actual temperature is higher than design temperature, low accordingly case air channel electric control valve will strengthen aperture.
As the preferred version of the utility model, said low oven temperature, degree sensor is a PT100 type thermal resistance, and said temperature intelligent controller is a SRS14A type temperature intelligent controller, and said low case air channel electric control valve is an IQM10 type electric control valve.
Preferred version as the utility model; The middle part of the high case width of said mesh-belt kiln cooling section is provided with a plurality of high oven temperature, degree sensors, each said high oven temperature, degree sensor along the high case length direction of mesh-belt kiln cooling section evenly distribute and with each said high case outlet housing space; The signal output part of each said high oven temperature, degree sensor inserts the signal input part of corresponding temperature intelligent controller respectively, and the analog quantity output of each said temperature intelligent controller inserts the signal input part of corresponding high case air channel electric control valve respectively.The temperature that high oven temperature, degree sensor is surveyed in the high case of mesh-belt kiln cooling section offers the temperature intelligent controller; The temperature intelligent controller compares and offers corresponding high case air channel electric control valve with actual temperature and design temperature; When actual temperature is lower than design temperature, corresponding high case air channel electric control valve will reduce aperture; When actual temperature is higher than design temperature, corresponding high case air channel electric control valve will strengthen aperture.
As the preferred version of the utility model, said high oven temperature, degree sensor is a PT100 type thermal resistance, and said temperature intelligent controller is a SRS14A type temperature intelligent controller, and said high case air channel electric control valve is an IQM10 type electric control valve.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail, accompanying drawing only provides reference and explanation usefulness, and is non-in order to restriction the utility model.
Fig. 1 is the structural representation of the utility model mesh-belt kiln kiln flow field control system.
Fig. 2 is the electrical schematic diagram of cooling blower control in the utility model.
Fig. 3 is the electrical schematic diagram of each electric control valve control in the utility model.
Among the figure: 1. the mesh-belt kiln cooling section hangs down case; 1a. kiln tail air inlet; 1b. low case suspended hood; 1c. low case branch air duct; 1d. low case air channel electric control valve; 1e. the low total air channel of case; 2. cooling blower; 3. the high case of mesh-belt kiln cooling section; 3a. the total air channel of high case; 3b. high case branch air duct; 3c. high case air channel electric control valve; 3d. high case outlet housing; 4. wind output channel; 4a. air draft electric control valve; 4b. exhaust outlet; 5. guipure; T1, T2, T3, the low oven temperature, degree sensor of T4.; T5, T6, T7, the high oven temperature, degree of T8. sensor; TK1, TK2, TK3, TK4, TK5, TK6, TK7, TK8. temperature intelligent controller; Y. pressure transmitter; YK1, YK2. pressure intelligent controller; IV. frequency converter.
The specific embodiment
As shown in Figure 1; The mesh-belt kiln kiln flow field control system of the utility model comprises high case 3 of mesh-belt kiln cooling section and the low case 1 of mesh-belt kiln cooling section; Guipure 5 is positioned at the middle part of high case 3 short transverses of mesh-belt kiln cooling section and extends to the low case 1 of mesh-belt kiln cooling section along horizontal plane; Tiling has a denitrating catalyst on the guipure 5, and the afterbody of the low case 1 of mesh-belt kiln cooling section is provided with the kiln tail air inlet 1a wide with guipure 5, and the lower end of kiln tail air inlet 1a is concordant with guipure 5; The roof of the low case 1 of mesh-belt kiln cooling section is provided with a plurality of low case suspended hood 1b; Each low case suspended hood 1b lays respectively at the middle part of the low case width of mesh-belt kiln cooling section and evenly distributes along the low case length direction of mesh-belt kiln cooling section, and the port of each low case suspended hood 1b is connected with low case branch air duct 1c respectively, and the inlet of each low case suspended hood 1b all tilts to kiln tail direction; To reduce the resistance that cold wind gets into low case branch air duct 1c; Be respectively equipped with low case air channel electric control valve 1d among each low case branch air duct 1c, the port of each low case branch air duct 1c inserts the low total air channel 1e of case respectively, and the low total air channel of case 1e along continuous straight runs extends and is connected with the inlet scoop of cooling blower 2.
The air outlet of cooling blower 2 inserts the total air channel 3a of high case; The total air channel 3a of high case is positioned at mesh-belt kiln cooling section high case 3 tops and extends along the high case length direction of mesh-belt kiln cooling section; The roof of the high case 3 of mesh-belt kiln cooling section is provided with a plurality of high case outlet housing 3d; Each high case outlet housing 3d lays respectively at the middle part of high case 3 widths of mesh-belt kiln cooling section and evenly distributes along high case 3 length directions of mesh-belt kiln cooling section; The port of each high case outlet housing 3d is connected with high case branch air duct 3b respectively, and each high case outlet housing 3d all tilts to the rightabout of kiln tail, with the cold wind that the reduces downstream resistance when high case branch air duct 3b flows out.Be respectively equipped with high case air channel electric control valve 3c among each high case branch air duct 3b, the port of each high case branch air duct 3b is connected with the total air channel 3a of high case respectively.
The top of the total air channel of high case entrance is connected with wind output channel 4, and the exhaust outlet 4b place of wind output channel 4 is provided with air draft electric control valve 4a.Exhaust outlet 4b through wind output channel 4 can carry out the cold wind that the wet exchange of heat back temperature raises, water capacity strengthens through the low case 1 of mesh-belt kiln cooling section by discharge section; Strengthen the resh air requirement that gets into the low case 1 of mesh-belt kiln cooling section; The aperture of air draft electric control valve 4a is big more, and the air capacity of discharge is big more, and the water capacity of discharging with air is big more; The new wind that gets into from kiln tail air inlet 1a is many more; The aperture of air draft electric control valve 4a is more little, and the air capacity of discharge is more little, and the water capacity of discharging with air is few more; The new wind that gets into from kiln tail air inlet 1a is few more, can make the temperature of the total air channel of high case 3a air and humidity be in a suitable level through the aperture of regulating air draft electric control valve 4a.
Like Fig. 1 and shown in Figure 2; The top, middle part of the total air channel 3a of high case is provided with pressure transmitter Y; The signal input part of the signal output part cut-in pressure intelligent controller YK1 of pressure transmitter Y; The analog quantity output of pressure intelligent controller YK1 inserts the pressure signal input of frequency converter IV, and the clutch end of frequency converter IV inserts and drive the motor of cooling blower 2.The blast that pressure transmitter Y surveys the total air channel 3a of high case offers pressure intelligent controller YK1; Pressure intelligent controller YK1 compares and offers frequency converter IV with actual blast and setting blast; When actual blast when setting blast, frequency converter IV will improve the rotating speed of cooling blower 2; When actual blast when setting blast, frequency converter IV will reduce the rotating speed of cooling blower 2.
The signal output part of pressure transmitter Y is the signal input part of cut-in pressure intelligent controller YK2 simultaneously, and the analog quantity output of pressure intelligent controller YK2 inserts the signal input part of air draft electric control valve 4a.The blast that pressure transmitter Y surveys the total air channel 3a of high case offers pressure intelligent controller YK2; Pressure intelligent controller YK2 compares and offers air draft electric control valve 4a with actual blast and setting blast; When actual blast when setting blast; The aperture of air draft electric control valve 4a turns down, and reduces air draft; When actual blast when setting blast, the aperture of air draft electric control valve 4a strengthens, and increases air draft.
Like Fig. 1 and shown in Figure 3; The middle part of low case 1 width of mesh-belt kiln cooling section is provided with the low one to one oven temperature, degree sensor T1 of a plurality of and low case air channel electric control valve 1d, T2, T3, T4, low oven temperature, degree sensor T1, T2, T3, T4 along low case 1 length direction of mesh-belt kiln cooling section evenly distribution and with each low case suspended hood 1b space; The signal output part of low oven temperature, degree sensor T1, T2, T3, T4 inserts the signal input part of corresponding temperature intelligent controller TK1, TK2, TK3, TK4 respectively, and the analog quantity output of each temperature intelligent controller TK1, TK2, TK3, TK4 inserts the signal input part of corresponding low case air channel electric control valve 1d respectively.The temperature that low oven temperature, degree sensor T1, T2, T3, T4 survey in the low case 1 of mesh-belt kiln cooling section offers temperature intelligent controller TK1, TK2, TK3, TK4; Temperature intelligent controller TK1, TK2, TK3, TK4 compare and offer corresponding low case air channel electric control valve 1d with actual temperature and design temperature; When actual temperature is lower than design temperature, low accordingly case air channel electric control valve 1d will reduce aperture; When actual temperature is higher than design temperature, low accordingly case air channel electric control valve 1d will strengthen aperture.
The middle part of high case 3 widths of mesh-belt kiln cooling section is provided with high oven temperature, degree sensor T5, T6, T7, T8, high oven temperature, degree sensor T5, T6, T7, T8 along high case 3 length directions of mesh-belt kiln cooling section evenly distribute and with each high case outlet housing 3d space; The signal output part of high oven temperature, degree sensor T5, T6, T7, T8 inserts the signal input part of corresponding temperature intelligent controller TK5, TK6, TK7, TK8 respectively, and the analog quantity output of each temperature intelligent controller TK5, TK6, TK7, TK8 inserts the signal input part of corresponding high case air channel electric control valve 3c respectively.The temperature that high oven temperature, degree sensor T5, T6, T7, T8 survey in the high case 3 of mesh-belt kiln cooling section offers temperature intelligent controller TK5, TK6, TK7, TK8; Temperature intelligent controller TK5, TK6, TK7, TK8 compare and offer corresponding high case air channel electric control valve 3c with actual temperature and design temperature; When actual temperature is lower than design temperature, corresponding high case air channel electric control valve 3c will reduce aperture; When actual temperature is higher than design temperature, corresponding high case air channel electric control valve 3c will strengthen aperture.
The PTG500 type blast pressure transmitter that above-mentioned pressure transmitter preferably uses Zhongshan City, Guangdong Province wide appearance Electron equipment Co., Ltd to produce; The XSH/C/SIIIG1VON type pressure intelligent controller that the pressure intelligent controller preferably uses Wuhan Ke Qi Automation Control Co., Ltd to produce; The NVF2-2.5/PS4 type frequency converter that frequency converter preferably uses Zhengtai Electric Appliance Co., Ltd., Zhejiang to produce; The PT100 type thermal resistance that temperature sensor preferably uses river, Chongqing appearance Co., Ltd to produce; The temperature intelligent controller preferably uses day SRS14A type temperature intelligent controller of island proper electricity Co., Ltd. production, the IQM10 type electric control valve that electric control valve preferably uses Britain Luo Tuoke company to produce.
The above is merely the preferable possible embodiments of the utility model, non-so the limitation the utility model scope of patent protection.Except that the foregoing description, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (9)
1. a mesh-belt kiln kiln flow field is controlled system; Comprise that high case of mesh-belt kiln cooling section and mesh-belt kiln cooling section hang down case; Guipure is positioned at the middle part of the high case short transverse of said mesh-belt kiln cooling section and extends to the low case of said mesh-belt kiln cooling section along horizontal plane; Tiling has denitrating catalyst on the said guipure; It is characterized in that: the afterbody of the low case of said mesh-belt kiln cooling section is provided with the kiln tail air inlet wide with guipure, and the lower end of said kiln tail air inlet is concordant with guipure, and the roof of the low case of said mesh-belt kiln cooling section is provided with a plurality of low case suspended hoods; Each said low case suspended hood lays respectively at the middle part of the low case width of said mesh-belt kiln cooling section and evenly distributes along the low case length direction of mesh-belt kiln cooling section; The port of each said low case suspended hood is connected with low case branch air duct respectively, is respectively equipped with low case air channel electric control valve in each said low case branch air duct, and the port of each said low case branch air duct inserts the low total air channel of case respectively; The total air channel of said low case along continuous straight runs extends and is connected with the inlet scoop of cooling blower; The air outlet of said cooling blower inserts the total air channel of high case, and the total air channel of said high case is positioned at said mesh-belt kiln cooling section high case top and extends along the high case length direction of mesh-belt kiln cooling section, and the roof of the high case of said mesh-belt kiln cooling section is provided with a plurality of high case outlet housings; Each said high case outlet housing lays respectively at the middle part of the high case width of said mesh-belt kiln cooling section and evenly distributes along the high case length direction of mesh-belt kiln cooling section; The port of each said high case outlet housing is connected with high case branch air duct respectively, is respectively equipped with high case air channel electric control valve in each said high case branch air duct, and the port of each said high case branch air duct is connected with the total air channel of said high case respectively.
2. mesh-belt kiln kiln flow field according to claim 1 is controlled system, and it is characterized in that: the top of the total air channel of said high case entrance is connected with wind output channel, and the exhaust outlet place of said wind output channel is provided with the air draft electric control valve.
3. mesh-belt kiln kiln flow field according to claim 1 is controlled system, it is characterized in that: the inlet of each said low case suspended hood all tilts to kiln tail direction, and each said high case outlet housing all tilts to the rightabout of kiln tail.
4. mesh-belt kiln kiln flow field according to claim 1 is controlled system; It is characterized in that: the top, middle part in the total air channel of said high case is provided with pressure transmitter; The signal input part of the signal output part cut-in pressure intelligent controller of said pressure transmitter; The analog quantity output of said pressure intelligent controller inserts the pressure signal input of frequency converter, and the clutch end of said frequency converter inserts and drive the motor of said cooling blower.
5. mesh-belt kiln kiln flow field according to claim 4 is controlled system; It is characterized in that: said pressure transmitter is a PTG500 type blast pressure transmitter; Said pressure intelligent controller is an XSH/C/SIIIG1VON type pressure intelligent controller, and said frequency converter is a NVF2-2.5/PS4 type frequency converter.
6. control system based on each described mesh-belt kiln kiln flow field in the claim 1 to 5; It is characterized in that: the middle part of the low case width of said mesh-belt kiln cooling section is provided with the low one to one oven temperature, degree sensor of a plurality of and said low case air channel electric control valve, each said low oven temperature, degree sensor along the low case length direction of mesh-belt kiln cooling section evenly distribution and with each said low case suspended hood space; The signal output part of each said low oven temperature, degree sensor inserts the signal input part of corresponding temperature intelligent controller respectively, and the analog quantity output of each said temperature intelligent controller inserts the signal input part of corresponding low case air channel electric control valve respectively.
7. mesh-belt kiln kiln flow field according to claim 6 is controlled system; It is characterized in that: said low oven temperature, degree sensor is a PT100 type thermal resistance; Said temperature intelligent controller is a SRS14A type temperature intelligent controller, and said low case air channel electric control valve is an IQM10 type electric control valve.
8. control system based on each described mesh-belt kiln kiln flow field in the claim 1 to 5; It is characterized in that: the middle part of the high case width of said mesh-belt kiln cooling section is provided with a plurality of high oven temperature, degree sensors, each said high oven temperature, degree sensor along the high case length direction of mesh-belt kiln cooling section evenly distribute and with each said high case outlet housing space; The signal output part of each said high oven temperature, degree sensor inserts the signal input part of corresponding temperature intelligent controller respectively, and the analog quantity output of each said temperature intelligent controller inserts the signal input part of corresponding high case air channel electric control valve respectively.
9. mesh-belt kiln kiln flow field according to claim 8 is controlled system; It is characterized in that: said high oven temperature, degree sensor is a PT100 type thermal resistance; Said temperature intelligent controller is a SRS14A type temperature intelligent controller, and said high case air channel electric control valve is an IQM10 type electric control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201285781U CN202522057U (en) | 2012-03-30 | 2012-03-30 | In-kiln flow field control system of mesh-belt kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201285781U CN202522057U (en) | 2012-03-30 | 2012-03-30 | In-kiln flow field control system of mesh-belt kiln |
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| Publication Number | Publication Date |
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| CN202522057U true CN202522057U (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201285781U Withdrawn - After Issue CN202522057U (en) | 2012-03-30 | 2012-03-30 | In-kiln flow field control system of mesh-belt kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636024A (en) * | 2012-03-30 | 2012-08-15 | 江苏万德环保科技有限公司 | Control system for internal flow field of mesh-belt kiln |
-
2012
- 2012-03-30 CN CN2012201285781U patent/CN202522057U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636024A (en) * | 2012-03-30 | 2012-08-15 | 江苏万德环保科技有限公司 | Control system for internal flow field of mesh-belt kiln |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121107 Effective date of abandoning: 20131218 |
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| RGAV | Abandon patent right to avoid regrant |