CN209652255U - A kind of coal ash cooling tank - Google Patents
A kind of coal ash cooling tank Download PDFInfo
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- CN209652255U CN209652255U CN201920241049.4U CN201920241049U CN209652255U CN 209652255 U CN209652255 U CN 209652255U CN 201920241049 U CN201920241049 U CN 201920241049U CN 209652255 U CN209652255 U CN 209652255U
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Abstract
The utility model discloses a kind of coal ash cooling tanks, it includes tank body, is equipped with lime-ash pipe vertically at the middle part of tank body, the top of lime-ash pipe extends to the tip exterior of tank body, channel is formed between the bottom end of lime-ash pipe and the bottom end of tank body, is communicated with ash releasing tube in the bottom end of tank body；It is communicated with gas tube on the top of the lime-ash pipe of tank interior, gas tube passes through the outside that tank body is placed in tank body.The utility model has the advantage of, high-temperature water at lime-ash intraluminal fluid face constantly flashes to steam, and steam carries out secondary cooling to the coal ash in lime-ash pipe, and steam enters fluidized-bed gasification furnace by lime-ash pipe and utilized, the extraneous supply for reducing steam, reduces the input cost of steam；And have low-temperature cooling water after high temperature water evaporation and fill into, it does not need to cool down to chilled water forced circulation, avoids the blocking for causing circulating pump and heat exchanger during circulating cooling, ensure that going on smoothly for slag-draining device work, ensure that deslagging efficiency.
Description
Technical field:
The utility model relates to cooling devices, and in particular to a kind of coal ash cooling tank.
Background technique:
Gasification reaction generation raw gas occurs for coal dust and gasifying agent in fluidized-bed gasification furnace, generates high temperature after coal dust gasification
Lime-ash.In order to carry out outlet to the lime-ash in fluidized-bed gasification furnace, generally it is sequentially communicated on the slag-drip opening of fluidized-bed gasification furnace
Shock chamber and deslagging tank, tapping process are as follows: the lime-ash in fluidized-bed gasification furnace enters slagging channel through slag-drip opening, to slagging channel
Interior logical automatic steam control deslagging speed, while being passed through cooling water into slagging channel and the lime-ash during decline is cooled down, ash
Slag and cooling water are fallen into shock chamber together from slagging channel, and it is outer that shock chamber inside lime-ash after cooling passes through the progress of deslagging tank again
Row；In the above process, it is general using into slagging channel plus the method for superheated steam controls its deslagging speed, pass through to
The mode for leading to cooling water in slagging channel cools down lime-ash, and 90% heat is transmitted to cold in a manner of sensible heat in lime-ash
But in water, cooling water carries out forced circulation by circulating pump, is removed its heat using heat exchanger.
Above-mentioned slag-draining device has the following problems in use: 1, to being passed through automatic steam control deslagging speed inside scum pipe
Degree, steam need to produce by steam boiler, increase the input cost of equipment and feed coal；2, lead to cooling water into scum pipe
Coal ash is cooled down, the time of contact of cooling water and coal ash is shorter, and coal ash cannot be totally submerged cooling water
In, cooling effect is poor；3, the cooling water after coal ash heat exchange is fallen into shock chamber with coal ash, the indoor Quench of Quench
Water needs to carry out forced circulation by circulating pump, can contain part coal ash in chilled water, will cause during circulating cooling
The blocking of circulating pump and heat exchanger, so that slag-draining device operating interruptions, influence deslagging efficiency.
Utility model content:
The purpose of this utility model is to provide one kind can guarantee the smooth discharge of coal ash in fluidized-bed gasification furnace, is convenient for
The velocity of discharge for controlling coal ash in fluidized-bed gasification furnace, can recycle the coal ash cooling tank of the heat of coal ash.
The utility model is implemented by following technical solution: a kind of coal ash cooling tank comprising tank body, in the tank body
Middle part is equipped with lime-ash pipe vertically, and the top of the lime-ash pipe extends to the tip exterior of the tank body, the bottom end of the lime-ash pipe
Channel is formed between the bottom end of the tank body, is communicated with ash releasing tube in the bottom end of the tank body；In the institute of the tank interior
The top for stating lime-ash pipe is communicated with gas tube, and the gas tube passes through the outside that the tank body is placed in the tank body, fills described
The inside of the tank body below tracheae is equipped with high liquid level sensor；The lime-ash pipe below the high liquid level sensor
Middle part, along the circumferential direction on offer several balance holes, the tank interior below the balance hole equipped with low liquid level pass
Sensor；Water inlet is communicated in the side of the tank body.
Further, the lime-ash pipe includes the straight tube heat exchanging segment being sequentially communicated from top to bottom, expansion tube vaporization section and straight
Pipe deslagging section, the gas tube are arranged in the straight tube heat exchanging segment, and the balance hole is provided with the upper of the expansion tube vaporization section
Portion.
Further, the annular water distributor being connected to the water inlet is equipped in the outer cover of the lime-ash pipe, described
Several water distributing pores are offered on the tube wall of annular water distributor.
Further, insertion is equipped with gas distribution pipe on the lime-ash pipe above the high liquid level sensor, described to fill
Tracheae is connected to by the gas distribution pipe with the lime-ash pipe；The gas distribution pipe includes that ring-shaped sintered metal filtering core and fission are set in
Tube body outside the sintering metal filter core, tube body insertion are mounted on the lime-ash pipe, and the top of the tube body and
Bottom end passes through flange respectively and connect with the lime-ash pipe, and the gas tube is connected to the tubular body.
Further, it is fixed with grate plate between the lower part outer wall of the lime-ash pipe and the inner wall of the tank body, in institute
Tank wall is stated equipped with manhole.
Further, tank body pressure sensor and pot temperature sensor, In are installed with inside the top of the tank body
It is equipped with ash temperature sensor inside the top of the lime-ash pipe, is installed with respectively on the water inlet and the gas tube cold
But water control valve and cooling gas control valve, the high liquid level sensor, the low liquid level sensor, the pot temperature sensor
Be electrically connected respectively with the input terminal of controller with the ash temperature sensor, the output end of the controller respectively with it is described cold
But water control valve and the cooling gas control valve electrical connection.
Further, flame retardant coating is provided on the inner wall of the lime-ash pipe outside the tank body.
The advantages of the utility model: 1, to lime-ash pipe inside be passed through carbon dioxide control deslagging speed, and to coal ash into
Row is first cooling, reduces the usage amount of steam, reduces the input cost of steam manufacturing equipment and feed coal, and titanium dioxide
After carbon enters fluidized-bed gasification furnace, so that the gas concentration lwevel in fluidized-bed gasification furnace increases, fluidized-bed gasification furnace can inhibit
Interior carbon is reacted with oxygen generates carbon dioxide, promotes the progress of carbon and vapor reaction, improves the available gas ingredient of raw gas
Content；2, it after coal ash enters tank body, falling into and is immersed in cooling water, cooling water can be fully cooled coal ash,
It ensure that cooling effect；3, the high-temperature water at lime-ash intraluminal fluid face constantly flashes to steam, and steam is to the coal ash in lime-ash pipe
Secondary cooling is carried out, and steam enters fluidized-bed gasification furnace by lime-ash pipe and utilized, reduces the extraneous supply of steam
Amount, reduces the input cost of steam；And have low-temperature cooling water after high temperature water evaporation and fill into, it does not need to force chilled water
Circulation temperature lowering avoids the blocking that circulating pump and heat exchanger are caused during circulating cooling, ensure that slag-draining device work
It goes on smoothly, ensure that deslagging efficiency；4, several balance holes are offered on the middle part circumferencial direction of lime-ash pipe, it being capable of compensator
Pressure inside body top and lime-ash pipe, by cooling water by lime-ash pipe when avoiding tank body upper pressure greater than lime-ash pipe internal pressure
It is pressed into gasification furnace, guarantees safety in production；5, lime-ash pipe includes the straight tube heat exchanging segment being sequentially communicated from top to bottom, expansion tube vaporization section
With straight tube deslagging section, the diameter of expansion tube vaporization section and straight tube deslagging section is greater than the diameter of straight tube heat exchanging segment, can limit high temperature
Lime-ash is spread in cooling water, can be limited the flying dust diffusion for being not readily dissolved in water in lime-ash, be forced its wetting；And sufficiently collect cooling
Water inhales thermogenetic steam, and steam enters fluidized-bed gasification furnace as gasifying agent by lime-ash pipe and utilized, and reduces gasification
The input cost of agent.
Detailed description of the invention:
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of gas distribution pipe.
Tank body 1, lime-ash pipe 2, ash releasing tube 3, gas tube 4, high liquid level sensor 5, balance hole 2.1, low liquid level sensor 6,
Water inlet 1.1, straight tube heat exchanging segment 2.2, expansion tube vaporization section 2.3, straight tube deslagging section 2.4, annular water distributor 7, water distributing pore 7.1,
Gas distribution pipe 8, sintering metal filter core 8.1, tube body 8.2, flange 8.3, grate plate 9, manhole 1.2, tank body pressure sensor 10, tank body
Temperature sensor 11, ash temperature sensor 12, cooling water control valve 13, cooling gas control valve 14, controller 15, flame retardant coating
16。
Specific embodiment:
As shown in Figs. 1-2, a kind of coal ash cooling tank comprising tank body 1 is equipped with lime-ash pipe at the middle part of tank body 1 vertically
2, the top of lime-ash pipe 2 extends to the tip exterior of tank body 1, forms channel between the bottom end of lime-ash pipe 2 and the bottom end of tank body 1,
Lime-ash enters the inside of tank body 1 by lime-ash pipe 2 and is cooled down, and ash releasing tube 3 is communicated in the bottom end of tank body 1, inside tank body 1
Tank body 1 is discharged by ash releasing tube 3 in lime-ash after cooling；
Lime-ash pipe 2 includes straight tube heat exchanging segment 2.2, expansion tube vaporization section 2.3 and the straight tube deslagging being sequentially communicated from top to bottom
Section 2.4.Expansion tube vaporization section 2.3 and the diameter of straight tube deslagging section 2.4 are greater than the diameter of straight tube heat exchanging segment 2.2, can limit height
Warm lime-ash is spread in cooling water, can be limited the flying dust diffusion for being not readily dissolved in water in lime-ash, be forced its wetting.
The top of lime-ash pipe 2 inside tank body 1 is communicated with gas tube 4, and gas tube 4 is arranged in straight tube heat exchanging segment 2.2, fills
The inlet end of tracheae 4 passes through the outside that tank body 1 is placed in tank body 1, and cooling gas control valve 14 is installed on gas tube 4；It is inflating
The inside of the tank body 1 of 4 lower section of pipe is equipped with high liquid level sensor 5, for detecting whether the liquid level inside tank body 1 reaches the liquid level upper limit
Value.When coal ash flows through straight tube heat exchanging segment 2.2, it is primary to coal ash progress cold that gas tube 4 is passed through cooling air into lime-ash pipe 2
But.Continue through primary lime-ash after cooling along 2 downlink of lime-ash pipe, when being contacted with the cooling water in lime-ash pipe 2, cooling water heat absorption
Steam is generated, steam can carry out secondary cooling to the coal ash in lime-ash pipe 2, and steam enters fluidized bed by lime-ash pipe 2
Gasification furnace is utilized, and 5% extraneous steam supply amount is reduced, and reduces the input cost of steam, meeting after cooling water evaporation
There is the cooling water of low temperature to fill into, does not need to cool down to cooling water forced circulation, avoid and cause to recycle during circulating cooling
The blocking of pump and heat exchanger ensure that going on smoothly for slag-draining device work, ensure that deslagging efficiency.
Insertion is equipped with gas distribution pipe 8 on lime-ash pipe 2 above high liquid level sensor 5, gas tube 4 by gas distribution pipe 8 with
Lime-ash pipe 2 is connected to；Gas distribution pipe 8 includes that the sintering metal filter core 8.1 of annular and fission are set in outside sintering metal filter core 8.1
Tube body 8.2, the insertion of tube body 8.2 is mounted on lime-ash pipe 2, and the top of tube body 8.2 and bottom end pass through flange 8.3 and lime-ash respectively
Pipe 2 connects, and is connected to inside gas tube 4 and tube body 8.2.Cooling air is entered inside tube body 8.2 by gas tube 4, then passes through sintering
Metal filtering core 8.1, which is discharged, to be passed through cooling air into straight tube heat exchanging segment 2.2 and is once cooled down to lime-ash, sintering metal filter core 8.1
Lime-ash can be prevented to enter inside tube body 8.2, lime-ash is avoided to block gas tube 4, guarantee normally being passed through for cooling air.The present embodiment
In cooling air be carbon dioxide gas, reduce the usage amount of steam, reduce the investment of steam manufacturing equipment and feed coal
Cost, and after carbon dioxide enters fluidized-bed gasification furnace, so that the gas concentration lwevel in fluidized-bed gasification furnace increases, can press down
Carbon is reacted with oxygen in fluidized-bed gasification furnace processed generates carbon dioxide, promotes the progress of carbon and vapor reaction, improves raw gas
Available gas component content.
Ash temperature sensor 12 is equipped with inside the top of lime-ash pipe 2, when controller 15 receives ash temperature sensor
When 12 detected value is more than preset value, controller 15 can control cooling gas control valve 14 and tune up aperture, increase the entrance of cooling air
Amount.
It is communicated with water inlet 1.1 in the side of tank body 1, for being passed through cooling water to the inside of tank body 1, after secondary cooling
Coal ash falls into tank body 1 to be immersed in cooling water and be cooled down three times.It is installed with cooling water control valve 13 in water inlet 1.1,
It is equipped with the annular water distributor 7 being connected to water inlet 1.1 in the outer cover of lime-ash pipe 2, is offered on the tube wall of annular water distributor 7
Several water distributing pores 7.1, it is ensured that cooling water is uniformly added into tank body 1, guarantees 1 each section liquid level of tank body, environment temperature uniformity,
Conducive to the regulation of cooling system temperature, pressure.Water distributing pore 7.1 is provided with all directions of annular water distributor 7, and cooling water is sprayed onto tank
When on 1 side wall of body, 1 side wall of tank body can be cooled down.
The middle part of lime-ash pipe 2 below high liquid level sensor 5, along the circumferential direction on offer several balance holes 2.1, put down
Weighing apparatus hole 2.1 is provided with the top of expansion tube vaporization section 2.3, balances the pressure inside 1 top of tank body and lime-ash pipe 2, avoids tank body 1
Cooling water is pressed into gasification furnace by lime-ash pipe 2 when upper pressure is greater than 2 internal pressure of lime-ash pipe, guarantees safety in production；It is balancing
It is equipped with low liquid level sensor 6 inside the tank body 1 of 2.1 lower section of hole, for detecting whether the liquid level inside tank body 1 reaches liquid level lower limit
Value.When controller 15 receives the low liquid level signal of the transmission of low liquid level sensor 6, controller 15 can be sent out to cooling water control valve 13
It send aperture to tune up signal, increases the additional amount of cooling water；When controller 15 receives the high liquid level signal of the transmission of high liquid level sensor 5
When, controller 15 can send shutdown signal to cooling water control valve 13, close cooling water control valve 13, stop adding for cooling water
Enter.It is maintained at the cooling water in tank body 1 between high liquid level and low liquid level, the lime-ash after guaranteeing secondary cooling enters in cooling water
After can be immersed in cooling water and cooled down three times, guarantee good cooling effect.
Pot temperature sensor 11 is installed with inside the top of tank body 1, when controller 15 receives pot temperature sensor
When 11 detected value is more than preset value, controller 15 can send aperture to cooling water control valve 13 and tune up signal, increase cooling water
Inlet.
Tank body pressure sensor 10 is installed with inside the top of tank body 1, for monitoring the air pressure inside tank body 1.
High liquid level sensor 5, low liquid level sensor 6, pot temperature sensor 11 and ash temperature sensor 12 respectively with
The input terminal of controller 15 is electrically connected, and the output end of controller 15 is electric with cooling water control valve 13 and cooling gas control valve 14 respectively
Connection, high liquid level sensor 5, low liquid level sensor 6, pot temperature sensor 11 and ash temperature sensor 12 will test value biography
It is defeated by controller 15, the aperture of 15 pairs of controller regulation cooling water control valves 13 and cooling gas control valve 14 is adjusted, realizes
The adjusting of cooling water and cooling air additional amount, reduces labor intensity, improves adjusting efficiency.High liquid level in the present embodiment passes
The function of sensor 5 and low liquid level sensor 6 is detection liquid level, is the conventional func of liquid level sensor, model
MC1151/3351DP；The function of pot temperature sensor 11 and ash temperature sensor 12 in the present embodiment is detection temperature,
For the conventional func of temperature sensor, model MCT80Y；The function of tank body pressure sensor 10 in the present embodiment is inspection
Tank interior pressure is surveyed, is the conventional func of pressure sensor, model MC1151/3351GP；Control in the present embodiment
It receives detected value according to the function of device 15 to control respective valves, model S7-400 SIEMENS PLC controller.
It is fixed with grate plate 9 between the lower part outer wall of lime-ash pipe 2 and the inner wall of tank body 1, can be prevented in cooling water
Lime-ash floats up, and avoids blocking balance hole 2.1, guarantees the pressure balance inside 1 top of tank body and lime-ash pipe 2.In 1 side of tank body
Wall is equipped with manhole 1.2, convenient for overhauling inside tank body 1.
It is provided with flame retardant coating 16 on the inner wall of lime-ash pipe 2 outside tank body 1, prevents high temperature furnace slag scaling loss lime-ash pipe 2.
Operation instruction:
The lime-ash of fluidized gasification furnace interior is entered inside tank body 1 by lime-ash pipe 2, in the straight tube heat exchanging segment of lime-ash pipe 2
2.2 cooling airs being sent by gas tube 4 once cool down lime-ash through the discharge of sintering metal filter core 8.1；Cooling air is to ash
Slag carries out being advanced into fluidized-bed gasification furnace along lime-ash pipe 2 after once cooling down, so that the carbon dioxide in fluidized-bed gasification furnace is dense
Degree increases, and inhibits carbon in fluidized-bed gasification furnace to react generation carbon dioxide with oxygen, promotes the progress of carbon and vapor reaction；
Primary lime-ash after cooling continues to move downward along lime-ash pipe 2, and after contacting with cooling water, cooling water evaporation generates big
Steam is measured, steam moves upwards along lime-ash pipe 2, carries out secondary cooling to lime-ash, and steam carries out after secondary cooling along ash lime-ash
It is advanced into fluidized-bed gasification furnace on slag pipe 2, is utilized as gasifying agent, the extraneous supply of steam is reduced, reduces steaming
The input cost of vapour.
Lime-ash continues after dropping downward into cooling water along lime-ash pipe 2, and cooling water cools down it three times.
1 upper space of tank body is connected to lime-ash pipe 2 by balance hole 2.1, to guarantee the pressure in tank body 1 and lime-ash pipe 2
Dynamic balance, the grate plate 9 between the lower part outer wall of lime-ash pipe 2 and the inner wall of tank body 1 can prevent the lime-ash in chilled water to
Upper floating blocks balance hole 2.1.
When controller 15 receives the low liquid level signal of the transmission of low liquid level sensor 6, controller 15 can be to cooling water control
Valve 13 sends aperture and tunes up signal, increases the additional amount of cooling water；When controller 15 receives the high liquid of the transmission of high liquid level sensor 5
When the signal of position, controller 15 can send shutdown signal to cooling water control valve 13, close cooling water control valve 13, stop cooling water
Addition；When the detected value that controller 15 receives pot temperature sensor 11 is more than preset value, controller 15 can be to cooling water
Control valve 13 sends aperture and tunes up signal, increases the inlet of cooling water；When controller 15 receives ash temperature sensor 12
When detected value is more than preset value, controller 15 can send aperture to cooling gas control valve 14 and tune up signal, increase cooling air into
Enter amount.
The water distributing pore 7.1 that cooling water passes through on annular water distributor 7 sprays, and supplements the cooling water in tank body 1, simultaneously
It has part cooling water to be sprayed on the inner wall of tank body 1, glides along inner wall, the inner wall of tank body 1 is cooled down.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of coal ash cooling tank, which is characterized in that it includes tank body, is equipped with lime-ash pipe vertically at the middle part of the tank body,
The top of the lime-ash pipe extends to the tip exterior of the tank body, between the bottom end of the lime-ash pipe and the bottom end of the tank body
Channel is formed, is communicated with ash releasing tube in the bottom end of the tank body；It is communicated on the top of the lime-ash pipe of the tank interior
Gas tube, the gas tube pass through the outside that the tank body is placed in the tank body, the tank body below the gas tube
Inside is equipped with high liquid level sensor；The middle part of the lime-ash pipe below the high liquid level sensor, along the circumferential direction on open
Equipped with several balance holes, the tank interior below the balance hole is equipped with low liquid level sensor；In the side of the tank body
Portion is communicated with water inlet.
2. a kind of coal ash cooling tank according to claim 1, which is characterized in that the lime-ash pipe include from top to bottom according to
Straight tube heat exchanging segment, expansion tube vaporization section and the straight tube deslagging section of secondary connection, the gas tube are arranged in the straight tube heat exchanging segment, institute
State the top that balance hole is provided with the expansion tube vaporization section.
3. according to claim 1 or a kind of 2 any coal ash cooling tanks, which is characterized in that in the outer of the lime-ash pipe
Portion is arranged with the annular water distributor being connected to the water inlet, offers several water distributions on the tube wall of the annular water distributor
Hole.
4. according to claim 1 or a kind of 2 any coal ash cooling tanks, which is characterized in that sensed in the high liquid level
Insertion is equipped with gas distribution pipe on the lime-ash pipe above device, and the gas tube passes through the gas distribution pipe and the lime-ash Guan Lian
It is logical；The gas distribution pipe includes the sintering metal filter core and the seperated tube body being set in outside the sintering metal filter core of annular, institute
It states tube body insertion to be mounted on the lime-ash pipe, and the top of the tube body and bottom end pass through flange and the lime-ash Guan Lian respectively
It connects, the gas tube is connected to the tubular body.
5. a kind of coal ash cooling tank according to claim 3, which is characterized in that above the high liquid level sensor
Insertion is equipped with gas distribution pipe on the lime-ash pipe, and the gas tube is connected to by the gas distribution pipe with the lime-ash pipe；The cloth
Tracheae includes ring-shaped sintered metal filtering core and the seperated tube body being set in outside the sintering metal filter core, the tube body insertion peace
On the lime-ash pipe, and the top of the tube body and bottom end pass through flange respectively and connect with the lime-ash pipe, the inflation
Pipe is connected to the tubular body.
6. a kind of according to claim 1,2 or 5 any coal ash cooling tank, which is characterized in that in the lime-ash pipe
It is fixed with grate plate between lower part outer wall and the inner wall of the tank body, is equipped with manhole in the tank wall.
7. a kind of coal ash cooling tank according to claim 4, which is characterized in that the lime-ash pipe lower part outer wall with
It is fixed with grate plate between the inner wall of the tank body, is equipped with manhole in the tank wall.
8. a kind of according to claim 1, any coal ash cooling tank in 2,5 or 7, which is characterized in that in the tank body
It is installed with tank body pressure sensor and pot temperature sensor inside top, lime-ash temperature is equipped with inside the top of the lime-ash pipe
Sensor is spent, is installed with cooling water control valve and cooling gas control valve respectively on the water inlet and the gas tube, it is described
High liquid level sensor, the low liquid level sensor, the pot temperature sensor and the ash temperature sensor respectively with control
The input terminal of device processed is electrically connected, the output end of the controller respectively with the cooling water control valve and the cooling gas control valve
Electrical connection.
9. a kind of coal ash cooling tank according to claim 4, which is characterized in that installed inside the top of the tank body
There are tank body pressure sensor and pot temperature sensor, ash temperature sensor, In are equipped with inside the top of the lime-ash pipe
Cooling water control valve and cooling gas control valve, the high liquid level sensing are installed on the water inlet and the gas tube respectively
Device, the low liquid level sensor, the pot temperature sensor and the ash temperature sensor respectively with the input of controller
End electrical connection, the output end of the controller are electrically connected with the cooling water control valve and the cooling gas control valve respectively.
10. a kind of according to claim 1, any coal ash cooling tank in 2,5,7 or 9, which is characterized in that in the tank body
Flame retardant coating is provided on the inner wall of the external lime-ash pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920241049.4U CN209652255U (en) | 2019-02-25 | 2019-02-25 | A kind of coal ash cooling tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920241049.4U CN209652255U (en) | 2019-02-25 | 2019-02-25 | A kind of coal ash cooling tank |
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| CN209652255U true CN209652255U (en) | 2019-11-19 |
Family
ID=68525164
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112480940A (en) * | 2020-11-30 | 2021-03-12 | 新疆元瑞圣湖能源有限公司 | Semicoke indirect heat exchange coke quenching device and method capable of automatically adjusting cold medium circulation speed |
-
2019
- 2019-02-25 CN CN201920241049.4U patent/CN209652255U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112480940A (en) * | 2020-11-30 | 2021-03-12 | 新疆元瑞圣湖能源有限公司 | Semicoke indirect heat exchange coke quenching device and method capable of automatically adjusting cold medium circulation speed |
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