CN207019465U - A kind of cooling recirculation system of rotary kiln surface - Google Patents
A kind of cooling recirculation system of rotary kiln surface Download PDFInfo
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- CN207019465U CN207019465U CN201720982296.0U CN201720982296U CN207019465U CN 207019465 U CN207019465 U CN 207019465U CN 201720982296 U CN201720982296 U CN 201720982296U CN 207019465 U CN207019465 U CN 207019465U
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- pipe
- water inlet
- rotary kiln
- cooling
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- 238000001816 cooling Methods 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 248
- 238000011084 recovery Methods 0.000 claims abstract description 23
- 239000002918 waste heat Substances 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims description 48
- 239000000498 cooling water Substances 0.000 claims description 38
- 238000005507 spraying Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000001354 calcination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses a kind of cooling recirculation system of rotary kiln surface, including cooling unit, Recovery of the hot water unit and heat exchange unit.Cooling unit includes water inlet manifold, some showers, multiple nozzles, baffle device for water and water container；Every shower is circular arc pipe, and some showers are located at the periphery of kiln body in a manner of downward opening and are connected each via a water inlet pipe with water inlet manifold；Multiple nozzles correspondingly radially installed on multiple water jets of every shower；Baffle device for water includes water retaining cover and cover plate；The dash is located at the periphery of some showers；Water container includes some water receiving tanks；Recovery of the hot water unit includes some exit branch and a surge tank；Heat exchange unit includes a hot water conveying pipe, heat exchanger and waste heat recovery EGR.Cooling recirculation system of the present utility model, the surface temperature of rotary kiln can not only be reduced, moreover it is possible to the medium that Water Sproading will be sprayed and heat the heat transfer that cooled water is taken away to needs.
Description
Technical Field
The utility model relates to a cooling circulation system on rotary kiln surface.
Background
The rotary kiln incinerator is a commonly used high-temperature furnace, the equipment condition and the regular maintenance cost of the rotary kiln incinerator are critical to a production unit, and the most intuitive influencing factor is the temperature control of the outer surface of the rotary kiln. The high temperature of the outer surface of the rotary kiln not only causes the expansion of the kiln body and unstable rotation, which affects the service life of the equipment, but also loses energy and affects the operation environment when dissipating heat to the surrounding environment.
In the current production units using rotary kilns of various types, when the outer surface of the rotary kiln is high in temperature, the temperature can be reduced only by temporarily adjusting the heat released inside the rotary kiln, so that the yield is influenced, and the temperature cannot be efficiently and continuously controlled. In recent years, some mineral calcining production units have begun to reduce the kiln surface temperature by spraying water onto the surface of the rotary kiln. Although the method can achieve the purpose, the method does not have a spray water recovery device, and can not recycle the heat taken away by the spray water, thereby causing great waste of water resources and energy. Meanwhile, the nozzle is too single, a uniform water film cannot be formed on the surface of the kiln body, and independent control valves are not arranged among pipelines, so that independent automatic control of areas cannot be performed according to different temperatures of all sections on the surface of the kiln body.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect and provide a cooling circulation system on rotary kiln surface, it can not only reduce the surface temperature of rotary kiln, can also retrieve and recycle with the shower water, can give the medium that needs the heating with the heat transfer that is taken away by the cooling water again to the energy has been practiced thrift.
The purpose of the utility model is realized like this: a cooling circulation system on the surface of a rotary kiln comprises a kiln body, a cooling unit, a hot water recovery unit and a heat exchange unit;
the cooling unit comprises a water inlet main pipe, a plurality of spray pipes, a plurality of nozzles, a water retaining device and a water receiving device; wherein, a pressure transmitter is arranged on the water inlet main pipe; each spray pipe is an arc pipe formed by bending a straight pipe with two closed ends, a water inlet hole is formed in the outer pipe wall of the arc top of each spray pipe, and a plurality of water spray nozzles are formed in the inner pipe wall of each spray pipe at intervals; the plurality of spray pipes are arranged at the periphery of the kiln body at intervals from the head to the tail of the kiln body in a mode that the openings face downwards, and water inlet holes of the plurality of spray pipes are respectively connected with the water inlet main pipe through a water inlet branch pipe; each water inlet branch pipe is provided with a pneumatic regulating valve; the plurality of nozzles are radially arranged on the plurality of water spraying ports of each spraying pipe in a one-to-one correspondence manner; the water retaining device comprises a water retaining cover with the outer contour of the cross section matched with the appearance of the spray pipe and cover plates connected to the front end and the rear end of the water retaining cover; the opening width of the lower end of the water retaining cover is larger than the opening width of the spray pipes, and the water retaining cover is arranged on the periphery of the spray pipes; the water receiving devices comprise water receiving grooves which are as many as the spraying pipes, the water receiving grooves are connected to the lower end of the water retaining cover along the head part to the tail part of the kiln body and in one-to-one correspondence with the positions of the spraying pipes, and the water receiving grooves are connected into a whole;
the hot water recovery unit comprises water outlet branch pipes and a buffer tank, wherein the number of the water outlet branch pipes is the same as that of the water receiving grooves; one end of each water outlet branch pipe is connected to the bottom of each water receiving tank in a one-to-one correspondence manner, a temperature transmitter is mounted on each water outlet branch pipe, and each temperature transmitter is in signal connection with a corresponding pneumatic regulating valve; the buffer tank is connected with the other ends of the water outlet branch pipes through a water outlet main pipe;
the heat exchange unit comprises a hot water conveying pipe, a heat exchanger and a waste heat recovery circulating device; one end of the hot water conveying pipe is connected with a buffer tank of the hot water recovery unit, a circulating water pump is mounted on the hot water conveying pipe, the circulating water pump is a variable frequency water pump or a common water pump, and when the circulating water pump is the variable frequency water pump, the circulating water pump is in signal connection with a pressure transmitter on the water inlet main pipe; the hot water inlet end of the heat exchanger is connected with the other end of the hot water conveying pipe, and the cooling water outlet end of the heat exchanger is connected with the water inlet main pipe of the cooling unit; and the waste heat recovery circulating device is connected with a hot water outlet end and a cold water inlet end of the heat exchanger.
In the cooling circulation system for the surface of the rotary kiln, the lower part of each water receiving tank is a rectangular straight tank, and the upper ends of the baffles at the two sides of the straight tank are respectively connected with an arc-shaped baffle bent outwards and upwards, so that the lower end of the water retaining shield is connected with the upper end of the arc-shaped baffle.
In the cooling circulation system for the surface of the rotary kiln, the hot water recovery unit further includes a water replenishing pipeline connected to the buffer tank.
In the cooling circulation system for the surface of the rotary kiln, the water replenishing pipeline is also connected with a process water inlet pipe.
In the cooling circulation system for the surface of the rotary kiln, the buffer tank is further connected with a water drainage pipeline.
In the cooling circulation system for the surface of the rotary kiln, the heat exchange unit further comprises a standby heat exchanger, and the standby heat exchanger is connected with the heat exchanger in parallel or in series through the first to third manual switches.
In the cooling circulation system for the surface of the rotary kiln, the heat exchange unit further comprises a standby circulating water pump connected with the circulating water pump in parallel through a manual valve.
In the cooling circulation system on the surface of the rotary kiln, when the circulating water pump is a common water pump, a water return pipeline is further connected between the outlet end of the circulating water pump and the buffer tank, and a main water inlet pneumatic regulating valve in signal connection with the pressure transmitter on the water inlet main pipe is further installed on the water return pipeline.
The utility model discloses a cooling circulation system on rotary kiln surface has following characteristics: the water is used as a cooling medium, and the spray pipes are arranged by regions through the cooling unit according to the structure of the rotary kiln, so that the surface temperature of the rotary kiln can be greatly reduced, and the surface temperature of the kiln body can be continuously controlled; the heat exchange unit is used for transferring heat taken away by the cooling water to a medium to be heated, so that the heat of the heated cooling water is utilized, energy can be saved, the cooled cooling water can be recycled, and the temperature of the surrounding environment can be reduced.
Drawings
Fig. 1 is a schematic structural view of a cooling circulation system of a rotary kiln surface according to the present invention;
fig. 2 is a schematic structural diagram of a cooling unit in the cooling cycle system of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 and 2, the cooling circulation system of the rotary kiln of the present invention includes a kiln body 1, a cooling unit, a hot water recovery unit and a heat exchange unit.
The cooling unit comprises a water inlet main pipe 20, a plurality of spray pipes 22, a plurality of nozzles 23, a water retaining device and a water receiving device; wherein:
a pressure transmitter 27 is arranged on the water inlet manifold 20; each spray pipe 22 is a circular arc pipe formed by bending a straight pipe with two closed ends, the central angle of each spray pipe 22 is 240-260 degrees, and the radius is larger than that of the outer surface of the kiln body 1; a water inlet hole is formed in the outer pipe wall of the arc top of each spray pipe 22, and a plurality of water spray nozzles are formed in the inner pipe wall of each spray pipe 22 at intervals; a plurality of spray pipes 23 are arranged at intervals on the periphery of the kiln body 1 from the head to the tail of the kiln body 1 in a way that the openings face downwards; the water inlet holes of the plurality of spray pipes 22 are respectively connected with the water inlet main pipe 20 through a water inlet branch pipe 21; each water inlet branch pipe 21 is provided with a pneumatic regulating valve 26;
the plurality of nozzles 23 are radially arranged on the plurality of water spray ports of each spray pipe 22 in a one-to-one correspondence manner;
the water retaining device comprises a cover body 24 and cover plates connected to the front end and the rear end of the water retaining cover 24; the outer contour of the cross section of the water retaining cover 24 is matched with the appearance of the spray pipes 22, the opening width of the lower end of the water retaining cover 24 is larger than that of the spray pipes 22, and the water retaining cover 24 is arranged on the periphery of the spray pipes 22;
the water receiving device comprises a plurality of water receiving grooves 25, the number of the water receiving grooves 25 is the same as that of the spray pipes 22, the lower part of each water receiving groove 25 is a rectangular straight groove, the upper ends of the baffles at the two sides of the straight groove are respectively connected with an arc-shaped baffle edge bent outwards and upwards, and the distance between the upper ends of the two arc-shaped baffles is the same as the width of an opening at the lower end of the water retaining cover 24; a plurality of water receiving grooves 25 are connected with the lower end of the water retaining cover 24 along the head part to the tail part of the kiln body 1 and in one-to-one correspondence with the positions of the plurality of spray pipes 22.
The hot water recovery unit comprises a plurality of water outlet branch pipes 31, a buffer tank 33 and a water replenishing pipeline 34; wherein:
the number of the water outlet branch pipes 31 is the same as that of the water receiving grooves 25, and one end of each water outlet branch pipe 31 is connected to the bottom of one water receiving groove 25; each water outlet branch pipe 31 is respectively provided with a temperature transmitter 32;
the buffer tank 33 is connected with the other ends of the water outlet branch pipes 31 through a water outlet main pipe 30;
the water supply line 34 is connected to the buffer tank 33, and a process water introduction pipe 35 is connected to the water supply line 34.
The heat exchange unit comprises a hot water conveying pipe 40, a circulating water pump 41a, a standby circulating water pump 41b, a heat exchanger 42a, a standby heat exchanger 42b and a waste heat recovery circulating device 43; wherein:
one end of the hot water delivery pipe 40 is connected to the buffer tank 33 of the hot water recovery unit;
the circulating water pump 41a and the standby circulating water pump 41b are arranged redundantly, only one is used at ordinary times, and the other one is used as a standby and can be replaced and used when one is damaged or maintained; the circulating water pump 41a is arranged on the hot water conveying pipe 40, and the standby circulating water pump 41b is connected in series with a manual ball valve 44 and then connected in parallel with the circulating water pump 41 a; the circulating water pump 41a and the standby circulating water pump 41b are variable frequency water pumps or common water pumps; when the circulating water pump 41a and the standby circulating water pump 41b are variable-frequency water pumps, the circulating water pump 41a and the standby circulating water pump 41b are in signal connection with the pressure transmitter 27 on the water inlet manifold 20; when the circulating water pump 41a and the standby circulating water pump 41b are ordinary water pumps, a water return pipeline 45 is further connected between the outlet ends of the circulating water pump 41a and the standby circulating water pump 41b and the buffer tank 33, and a total water inlet pneumatic regulating valve 46 in signal connection with the pressure transmitter 27 on the water inlet header pipe 20 is further installed on the water return pipeline 45; when the pressure transmitter 27 detects that the pressure of the cooling water in the water inlet main 20 is too high, the water amount of the cooling water is adjusted by the variable-frequency circulating water pump 41a or the standby circulating water pump 41b, or the hot cooling water in the hot water conveying pipe 40 flows back to the buffer tank 33 through the water return pipeline by the total inlet pneumatic adjusting valve 46;
the heat exchanger 42a and the backup heat exchanger 42b both adopt plate heat exchangers and can be connected in parallel and in series through first to third manual switches 421 to 423; the hot water inlet end of the heat exchanger 42 a/backup heat exchanger 42b is connected with the other end of the hot water conveying pipe 40, and the cooling water outlet end of the heat exchanger 42 a/backup heat exchanger 42b is connected with the water inlet manifold 20 of the cooling unit;
the waste heat recovery circulation device 43 is connected to hot water outlet ends and cold water inlet ends of the heat exchanger 42a and the backup heat exchanger 42 b.
The arrangement mode of the spray pipes 22 in the cooling unit is divided into regions according to the structure of the rotary kiln, generally eight spray pipes 22 are arranged on the kiln body 1 with the length of fifteen meters, a plurality of spray pipes are densely arranged in the region with higher temperature of the kiln body 1, and the spray pipes 22 are loosely arranged in the region with lower temperature. The number of nozzles per shower 22 is determined by the surface area of the kiln body 1 covered. Cooling water is introduced into each water inlet branch pipe 21 through the water inlet main pipe 20, enters the spray pipes 22 and is sprayed onto the outer surface of the kiln body 1 through the nozzles 23, so that the surface of the kiln body 1 is rapidly and synchronously cooled. The water retaining device can prevent cooling water from splashing, helps to collect the cooling water, and reduces the waste of water resources. The water receiving device can collect cooling water, and the cooling water is changed into hot cooling water after taking away the high temperature on the surface of the kiln body 1, so that the hot cooling water can be reasonably utilized. The pneumatic adjusting valve 26 on each spray pipe 22 is used for adjusting the water spraying pressure of the spray nozzles 23 on the corresponding spray pipe 22, so that the cooling speed of the surface of the kiln body 1 can be controlled.
The working principle of the hot water recovery unit is as follows: the hot cooling water collected by the water receiving device is introduced into the buffer tank 33 through the water outlet pipe 31, the buffer tank 33 can store water and treat the hot cooling water stored in the buffer tank 33, the sodium hydroxide can be added into the buffer tank 33 through the process water introducing pipe 35, the PH value of the hot cooling water in the buffer tank 33 is adjusted, the property of the hot cooling water is neutral and alkaline, and the corrosion of the cooling water to the surface of the kiln body 1 is avoided. The buffer tank 33 is also connected with a drainage pipeline, and the PH value and the conductivity of the hot cooling water in the buffer tank 33 are monitored in real time, and the hot cooling water is discharged periodically, so that the water quality of the cooling water is ensured, and the corrosion of the cooling water to the surface of the kiln body 1 is avoided; when the pressure transmitter 27 detects that the pressure of the cooling water in the water intake manifold 20 is insufficient, water can be replenished to the buffer tank 33 through the water replenishing pipe 34. The temperature of the hot cooling water in each water pan 31 is detected by the temperature transmitter 32, and the flow rate and pressure of the cooling water in the corresponding shower pipe 22 are controlled by the pneumatic control valve 26.
The working principle of the heat exchange unit is as follows: the hot cooling water is introduced into the heat exchanger 42 a/the standby heat exchanger 42b through the hot water conveying pipe 40 and the circulating water pump 41a or the standby heat exchanger 42b, after heat exchange is carried out through the heat exchanger 42 a/the standby heat exchanger 42b, the temperature of the hot cooling water is reduced to the temperature of original cooling water, and then the hot cooling water returns to the water inlet main pipe 20 to carry out spray cooling on the surface of the kiln body 1, so that the purpose of recycling is achieved, meanwhile, heat is transferred to the waste heat recycling device 43 to supply media needing to be heated, the heat is effectively utilized, and therefore energy is saved. The heat exchanger 42a and the spare heat exchanger 42b which are arranged redundantly can be used as a heat exchanger for replacement when being damaged or repaired, the heat exchanger 42a and the spare heat exchanger 42b are connected in parallel, the second manual switch 422 is disconnected, and the first manual switch 421 and the third manual switch 423 are both closed; the heat exchanger 42a and the standby heat exchanger 42b can be used at the same time when the temperature of the hot cooling water is too high, the heat exchanger 42a and the standby heat exchanger 42b are connected in series at the moment, the heat exchange area is doubled, the heat exchange efficiency is improved, the second manual switch 422 is closed at the moment, and the first manual switch 421 and the third manual switch 423 are both opened.
The utility model discloses a cooling circulation system on the surface of a rotary kiln, firstly, water is used as a cooling medium, and spray pipes are arranged by regions by a cooling unit according to the structure of the rotary kiln, so that the temperature of the outer surface of the rotary kiln can be well controlled; secondly, the cooling water is collected and treated by the hot water recovery unit, and finally, the heat obtained by the cooling water is transferred to a medium to be heated by the heat exchange unit, so that the heat of the heated cooling water is utilized, energy is saved, the cooled cooling water can be recycled, and the temperature of the surrounding environment can be reduced.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (8)
1. A cooling circulation system on the surface of a rotary kiln comprises a kiln body, a cooling unit, a hot water recovery unit and a heat exchange unit and is characterized in that,
the cooling unit comprises a water inlet main pipe, a plurality of spray pipes, a plurality of nozzles, a water retaining device and a water receiving device; wherein,
a pressure transmitter is arranged on the water inlet main pipe;
each spray pipe is an arc pipe formed by bending a straight pipe with two closed ends, a water inlet hole is formed in the outer pipe wall of the arc top of each spray pipe, and a plurality of water spray nozzles are formed in the inner pipe wall of each spray pipe at intervals; the plurality of spray pipes are arranged at the periphery of the kiln body at intervals from the head to the tail of the kiln body in a mode that the openings face downwards, and water inlet holes of the plurality of spray pipes are respectively connected with the water inlet main pipe through a water inlet branch pipe; each water inlet branch pipe is provided with a pneumatic regulating valve;
the plurality of nozzles are radially arranged on the plurality of water spraying ports of each spraying pipe in a one-to-one correspondence manner;
the water retaining device comprises a water retaining cover with the outer contour of the cross section matched with the appearance of the spray pipe and cover plates connected to the front end and the rear end of the water retaining cover; the opening width of the lower end of the water retaining cover is larger than the opening width of the spray pipes, and the water retaining cover is arranged on the periphery of the spray pipes;
the water receiving devices comprise water receiving grooves which are as many as the spraying pipes, the water receiving grooves are connected to the lower end of the water retaining cover along the head part to the tail part of the kiln body and in one-to-one correspondence with the positions of the spraying pipes, and the water receiving grooves are connected into a whole;
the hot water recovery unit comprises water outlet branch pipes and a buffer tank, wherein the number of the water outlet branch pipes is the same as that of the water receiving grooves; one end of each water outlet branch pipe is connected to the bottom of each water receiving tank in a one-to-one correspondence manner, a temperature transmitter is mounted on each water outlet branch pipe, and each temperature transmitter is in signal connection with a corresponding pneumatic regulating valve; the buffer tank is connected with the other ends of the water outlet branch pipes through a water outlet main pipe;
the heat exchange unit comprises a hot water conveying pipe, a heat exchanger and a waste heat recovery circulating device; one end of the hot water conveying pipe is connected with a buffer tank of the hot water recovery unit, a circulating water pump is mounted on the hot water conveying pipe, the circulating water pump is a variable frequency water pump or a common water pump, and when the circulating water pump is the variable frequency water pump, the circulating water pump is in signal connection with a pressure transmitter on the water inlet main pipe; the hot water inlet end of the heat exchanger is connected with the other end of the hot water conveying pipe, and the cooling water outlet end of the heat exchanger is connected with the water inlet main pipe of the cooling unit; and the waste heat recovery circulating device is connected with a hot water outlet end and a cold water inlet end of the heat exchanger.
2. The rotary kiln surface cooling circulation system as claimed in claim 1, wherein the lower portion of each water receiving tank is a rectangular straight tank, and the upper ends of the two side baffles of the straight tank are respectively connected with an arc-shaped baffle bent outwards and upwards, so that the lower end of the water retaining shield is connected with the upper end of the arc-shaped baffle.
3. The rotary kiln surface cooling circulation system as defined in claim 1, wherein the hot water recovery unit further includes a water replenishing pipe connected to the buffer tank.
4. The rotary kiln surface cooling circulation system as defined in claim 3, wherein a process water inlet pipe is further connected to said water replenishing pipe.
5. The rotary kiln surface cooling circulation system as defined in claim 1, wherein the buffer tank is further connected to a drain line.
6. The cooling circulation system for the surface of the rotary kiln as claimed in claim 1, wherein the heat exchange unit further comprises a backup heat exchanger connected in parallel or in series with the heat exchanger through first to third manual switches.
7. The rotary kiln surface cooling circulation system as defined in claim 1, wherein the heat exchange unit further comprises a backup circulating water pump connected in parallel with the circulating water pump through a manual valve.
8. The rotary kiln surface cooling circulation system as claimed in claim 1, wherein when the circulating water pump is a normal water pump, a water return pipeline is connected between the outlet end of the circulating water pump and the buffer tank, and a main water inlet pneumatic regulating valve in signal connection with a pressure transmitter on the water inlet main pipe is further installed on the water return pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720982296.0U CN207019465U (en) | 2017-08-08 | 2017-08-08 | A kind of cooling recirculation system of rotary kiln surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720982296.0U CN207019465U (en) | 2017-08-08 | 2017-08-08 | A kind of cooling recirculation system of rotary kiln surface |
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| CN207019465U true CN207019465U (en) | 2018-02-16 |
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| CN201720982296.0U Active CN207019465U (en) | 2017-08-08 | 2017-08-08 | A kind of cooling recirculation system of rotary kiln surface |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238285A (en) * | 2017-08-08 | 2017-10-10 | 上海化学工业区升达废料处理有限公司 | A kind of cooling recirculation system of rotary kiln surface |
| CN109238469A (en) * | 2018-10-08 | 2019-01-18 | 新中天环保股份有限公司 | A kind of surface temperature monitoring device of rotary kiln |
| CN109831901A (en) * | 2019-03-29 | 2019-05-31 | 北京丰联奥睿科技有限公司 | A kind of liquid cooled server cabinet |
-
2017
- 2017-08-08 CN CN201720982296.0U patent/CN207019465U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238285A (en) * | 2017-08-08 | 2017-10-10 | 上海化学工业区升达废料处理有限公司 | A kind of cooling recirculation system of rotary kiln surface |
| CN109238469A (en) * | 2018-10-08 | 2019-01-18 | 新中天环保股份有限公司 | A kind of surface temperature monitoring device of rotary kiln |
| CN109831901A (en) * | 2019-03-29 | 2019-05-31 | 北京丰联奥睿科技有限公司 | A kind of liquid cooled server cabinet |
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