CN207192809U - A kind of carbide liquid air prilling and the system of UTILIZATION OF VESIDUAL HEAT IN - Google Patents
A kind of carbide liquid air prilling and the system of UTILIZATION OF VESIDUAL HEAT IN Download PDFInfo
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- CN207192809U CN207192809U CN201720962823.1U CN201720962823U CN207192809U CN 207192809 U CN207192809 U CN 207192809U CN 201720962823 U CN201720962823 U CN 201720962823U CN 207192809 U CN207192809 U CN 207192809U
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- hot
- carbide
- heat
- calcium carbide
- outlet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The system that the utility model is related to a kind of carbide liquid air prilling and UTILIZATION OF VESIDUAL HEAT IN, the system includes air prilling device, the first steam boiler, heat-exchanger rig, the second steam boiler, air prilling device has hot carbide liquid entrance, the outlet of hot calcium carbide grain, hot carbide liquid porch is provided with injector, the seamless steel pipe of multiple horizontal arrangements is provided between the outer wall and inwall of air prilling device, the first hot superconduction heat exchange body is wherein filled with, the first hot superconduction heat exchange body is connected with the first steam boiler；Heat-exchanger rig has hot calcium carbide grain entrance, the outlet of calcium carbide grain, the hot calcium carbide grain outlet of hot calcium carbide grain entrance and air prilling device connects, the seamless steel pipe of multiple horizontal arrangements is provided between the outer wall and inwall of heat-exchanger rig, the second hot superconduction heat exchange body is wherein filled with, the second hot superconduction heat exchange body is connected with the second steam boiler.The utility model can realize the quick cooling granulation of carbide liquid, and effectively utilize the waste heat of carbide liquid.
Description
Technical field
It the utility model is related to chemical technology field, and in particular to a kind of carbide liquid air prilling and UTILIZATION OF VESIDUAL HEAT IN are
System.
Background technology
At present, furnace of calcium carbide smelts the process of calcium carbide, can produce the hot carbide liquid that temperature is 1700~2100 DEG C.This is hot
Carbide liquid is passed to cooling factory building with railcar first after furnace of calcium carbide flow to cast steel calcium carbide pot, and gravity-flow ventilation is cooled to 500~
600 DEG C, then about 1 ton of heavy calcium carbide ingot is hung out with big suspension hook, continue gravity-flow ventilation and be cooled to less than 100 DEG C, then deliver to broken
Workshop carry out coarse crushing, fine crushing, be made meet size calcium carbide grain it is standby.
Above-mentioned carbide liquid granulation process, the cooling velocity of coarse crushed calcium-carbide ingot is slower, and cool time is longer, and need to take big
The place of area.Meanwhile calcium carbide ingot shattering process can produce substantial amounts of calcium carbide dust, cause production environment to be deteriorated.Due to calcium carbide
The waste of dust, economic loss can be caused.Also, a large amount of waste heats entrained by carbide liquid are directly wasted in cooling procedure,
It is not utilized effectively, causes the loss of energy.
Utility model content
In view of the problem of prior art is present, the utility model aims to provide one kind and utilizes carbide liquid air prilling, simultaneously
The system for effectively utilizing granulation process waste heat, it is possible to increase the cooling velocity of carbide liquid, using the waste heat of carbide liquid, avoid heat
The waste of amount, improve the utilization rate of energy.
The system that the utility model provides a kind of carbide liquid air prilling and UTILIZATION OF VESIDUAL HEAT IN, the system are made including injection
Grain device, the first steam boiler, heat-exchanger rig, the second steam boiler.
The air prilling device has hot carbide liquid entrance, the outlet of hot calcium carbide grain.The hot carbide liquid entrance
Place is provided with injector.The seamless steel pipe of multiple horizontal arrangements is provided between the outer wall and inwall of the air prilling device,
The first hot superconduction heat exchange body is filled with the seamless steel pipe, the first hot superconduction heat exchange body connects with first steam boiler
Connect.
The heat-exchanger rig has hot calcium carbide grain entrance, the outlet of calcium carbide grain, the hot calcium carbide grain entrance and the spray
Penetrate the hot calcium carbide grain outlet connection of prilling granulator.Multiple horizontal arrangements are provided between the outer wall and inwall of the heat-exchanger rig
The seamless steel pipe, be filled with the second hot superconduction heat exchange body, the second hot superconduction heat exchange body and institute in the seamless steel pipe
State the connection of the second steam boiler.
Further, nozzle is provided with the injector, the spray angle of the nozzle and the angle of horizontal direction are 0
~60 °.
Further, there is one or more the hot calcium carbide grain outlet of the air prilling device；The hot calcium carbide grain
Outlet is arranged to shape wide at the top and narrow at the bottom, wherein, the length of the hot calcium carbide grain outlet upper surface fills for the air prilling
Put the 1/100~1/10 of side wall length.
Further, the hot calcium carbide grain outlet is arranged at the 1/4~1/3 of the air prilling the bottom of the device wall,
The close side wall relative with side wall where the injector.
Further, the calcium carbide grain outlet is positioned at the bottom of the heat-exchanger rig；The seamless steel pipe is arranged on described
Between the outer wall and inwall of the vertical side of heat-exchanger rig.
Further, in addition to furnace of calcium carbide and carbide liquid heat insulated tank.The furnace of calcium carbide have calcium carbide preparing raw material entrance,
There is hot carbide liquid entrance, hot carbide liquid to go out for hot carbide liquid outlet, calcium carbide furnace gas outlet, the carbide liquid heat insulated tank
Mouthful.The hot carbide liquid outlet of the furnace of calcium carbide is connected with the hot carbide liquid entrance of the carbide liquid heat insulated tank, the electricity
The hot carbide liquid outlet of stone liquid heat insulated tank is connected with the hot carbide liquid entrance of the air prilling device.
Further, the hot carbide liquid outlet of the carbide liquid heat insulated tank and the hot electricity of the air prilling device
Stone liquid entrance is connected by High Pressure Air Pipe Line, also, is provided with gas outlet on the air prilling device.
Hot carbide liquid is carried out air prilling by the utility model using air prilling device, is provided with air prilling device
Hot superconduction heat exchange body, the quick cooling granulation of hot carbide liquid can be realized, meanwhile, it is used for after hot superconduction heat exchange body heat exchange heating
Heating produces steam or generating.Then, the hot calcium carbide grain obtained further carries out heat exchange cooling, and transfers heat to heat exchange
Hot superconduction heat exchange body in device, the hot superconduction heat exchange body after heat exchange heating are also used for heating and produce steam or generating.Therefore, originally
Utility model can be realized in granulation process, the complete recovery and comprehensive utilization of hot calcium carbide fluid residual heat.
Carbide liquid heat insulated tank is also provided with system of the present utility model, is ensureing the condition of high temperature of hot carbide liquid
Meanwhile, it is capable to so that hot carbide liquid is stablized and continuously carries out air prilling.
Also, compared with traditional calcium carbide smelting process, the utility model saves the destruction step of coarse crushed calcium-carbide, so as to keep away
Significant loss and dust pollution caused by exempting from shattering process.
Brief description of the drawings
Fig. 1 is the system schematic of carbide liquid air prilling and UTILIZATION OF VESIDUAL HEAT IN in the utility model embodiment.
Fig. 2 is the method flow schematic diagram that carbide liquid air prilling and UTILIZATION OF VESIDUAL HEAT IN are carried out using the system shown in Fig. 1.
Reference in accompanying drawing is as follows：
1- furnaces of calcium carbide；2- carbide liquid heat insulated tanks；3- air prilling devices；The steam boilers of 4- first；5- heat-exchanger rigs；6-
Second steam boiler.
Embodiment
Below in conjunction with drawings and examples, specific embodiment of the present utility model is described in more details, with
Just the advantages of better understood when scheme of the present utility model and its various aspects.However, specific implementations described below
Mode and embodiment are for illustrative purposes only, rather than to limitation of the present utility model.
For the problem of speed existing for carbide liquid granulation process is slow, energy dissipation, the utility model proposes a kind of electricity
The air prilling of stone liquid and the system of UTILIZATION OF VESIDUAL HEAT IN.As shown in figure 1, the one of which system proposed for the utility model embodiment
Embodiment.
System shown in Fig. 1 includes air prilling device 3, the first steam boiler 4, heat-exchanger rig 5, the second steam boiler 6.
Air prilling device 3 is used to receive the quick cooling granulation of hot carbide liquid progress, and it has hot carbide liquid entrance
31st, hot calcium carbide grain outlet 33.In various embodiments, it is additionally provided with gas outlet 32.
One or more injectors 34 are provided with the upside of air prilling device 3, injector 34 enters with hot carbide liquid
Mouth 31 connects, for hot carbide liquid to be injected into air prilling device 3.
One end of injector 34 is fixedly connected on the inwall of the cavity of air prilling device 3, and the other end is provided with nozzle (figure
Not shown in).As the preferable scheme of the utility model, the spray angle of nozzle and the angle of horizontal direction are 0~60 °.
Hot calcium carbide grain outlet 33 is provided with one or more on air prilling device 3.Also, hot calcium carbide grain is gone out
Mouth 33 is arranged to shape wide at the top and narrow at the bottom.Wherein, hot calcium carbide grain exports the length of the wider side in 33 upper surfaces, is made for injection
The 1/100~1/10 of the grain side wall length of device 3.
As the utility model preferred embodiment, one of them hot calcium carbide grain outlet 33 is arranged on air prilling device
At the 1/4~1/3 of 3 base end walls, also, the close side wall relative with the place side wall of injector 34.
The side wall of air prilling device 3 includes two layers, respectively outer wall 35 and inwall 36.Set between outer wall 35 and inwall 36
It is equipped with seamless steel pipe 37.As the utility model preferred embodiment, seamless steel pipe 37 be provided with it is multiple, also, in level
Uniformly arrange in direction.The first hot superconduction heat exchange body is filled with seamless steel pipe 37, the first hot superconduction heat exchange body can quickly be inhaled
Receive the heat of hot carbide liquid so that carbide liquid fast cooling cools down, while is heated up after the first hot superconduction heat exchange body heat exchange.As
One preferred embodiment, the first hot superconduction heat exchange body are connected with the first steam boiler 4, the first hot superconduction heat exchange after heat exchange heating
Body is that the heating of the first steam boiler 4 produces steam, realizes the utilization of waste heat.As other embodiment, the first hot superconduction heat exchange
Body is connected with other devices, for producing steam or generating；Or connection is any can to utilize the first hot superconduction heat exchange body waste heat
Device.
Heat-exchanger rig 5 is used to receive the hot calcium carbide grain being sent into by air prilling device 3, enters traveling one to hot calcium carbide grain
The cooling of step, it has hot calcium carbide grain entrance 51, calcium carbide grain outlet 52.Wherein, go out as preferred embodiment, calcium carbide grain
Mouth 52 is arranged on the bottom of heat-exchanger rig 5.The hot calcium carbide grain entrance 51 of heat-exchanger rig 5 and the hot electricity of air prilling device 3
The connection of stone grain outlet 33.Seamless steel pipe 53 is provided between the outer wall and inwall of heat-exchanger rig 5.It is preferred as the utility model
Embodiment, seamless steel pipe 53 be provided with it is multiple, in horizontal direction uniformly arrangement.Further, seamless steel pipe 53 is set
Between the outer wall and inwall of the upright side walls of heat-exchanger rig 5.
The second hot superconduction heat exchange body is filled with seamless steel pipe 53, for absorbing the heat of hot calcium carbide grain so that heat
The further cooling down of state calcium carbide grain, while the second hot superconduction heat exchange body heat exchange heating.Wherein, the second hot superconduction heat exchange body and spray
The the first hot superconduction heat exchange body penetrated in prilling granulator 3 can be hot superconduction heat exchange body of the same race or not of the same race.
As wherein preferred embodiment, the second hot external second steam boiler of superconduction heat exchange body in heat-exchanger rig 5
6, it can effectively utilize the heat after the second hot superconduction heat exchange body heat exchange heating.As other embodiment, the second hot superconduction heat exchange
Body is connected with other devices, for producing steam or generating；Or any dress that can utilize the second hot superconduction heat exchange body waste heat
Put.
As preferred embodiment, system of the present utility model also includes furnace of calcium carbide 1 and carbide liquid heat insulated tank 2.
Furnace of calcium carbide 1 is used to smelt calcium carbide, can produce hot carbide liquid under the conditions of pyrolytic semlting first, it has calcium carbide preparation
Feed(raw material)inlet 11, calcium carbide furnace gas outlet 12, hot carbide liquid outlet 13.Wherein, calcium carbide preparing raw material entrance 11 and calcium carbide furnace gas
Outlet 12 is arranged on the top end wall of furnace of calcium carbide 1, and hot carbide liquid outlet 13 is arranged on the bottom of the side wall of furnace of calcium carbide 1.
Carbide liquid heat insulated tank 2 is used to be incubated the hot carbide liquid that storage furnace of calcium carbide 1 is sent into, and there is hot carbide liquid to enter for it
Mouth 21, hot carbide liquid outlet 22.Wherein, the hot electricity of the hot carbide liquid entrance 21 of carbide liquid heat insulated tank 2 and furnace of calcium carbide 1
The connection of stone liquid outlet 13.The hot carbide liquid outlet 22 of carbide liquid heat insulated tank 2 and the hot carbide liquid of air prilling device 3 enter
Mouth 31 connects.As preferred embodiment, the hot external High Pressure Air Pipe Line 30 of carbide liquid entrance 31.High Pressure Air Pipe Line 30
One end is connected with hot carbide liquid entrance 31, and the other end is connected with hot carbide liquid outlet 22, pressure-air can be utilized to carry
Hot carbide liquid enters in injector 34, so as to be ejected into the cavity of air prilling device 3.
As shown in Fig. 2 show to carry out the method flow of carbide liquid air prilling and UTILIZATION OF VESIDUAL HEAT IN using the system shown in Fig. 1
It is intended to, including step：
A, hot carbide liquid is sent into air prilling device 3 by injector 34, hot carbide liquid changes with the first hot superconduction
Hot body is exchanged heat so that the hot quick cooling granulation of carbide liquid, obtains hot calcium carbide grain.Meanwhile the first hot superconduction heat exchange body
Heated up after being exchanged heat with hot carbide liquid.As the utility model preferred embodiment, the first hot superconduction after heat exchange heating is changed
Hot body is that the first steam boiler 4 heats, and obtains steam, realizes the utilization of waste heat.
Wherein, the temperature of hot carbide liquid is 2000~2200 DEG C, the temperature of resulting hot calcium carbide grain for 800~
1000℃。
Further, step is also included before this step：Calcium carbide preparing raw material is sent into furnace of calcium carbide 1 and smelted,
Obtain hot carbide liquid and calcium carbide furnace gas.Hot carbide liquid is sent into carbide liquid heat insulated tank 2 and is incubated storage, keeps hot electricity
Non-condensing stone liquid is solid, and ensures that hot carbide liquid enters the continuous-stable supply of air prilling device 3.Then, hot electricity
Stone liquid under the carrying of pressure-air, is sent into air prilling device 3 via High Pressure Air Pipe Line 30 by injector 34, is carried out
Cooling granulation processing.
B, hot calcium carbide grain is sent directly into heat-exchanger rig 5 via hot calcium carbide grain outlet 33, and hot calcium carbide grain is landing
During exchanged heat with the therein second hot superconduction heat exchange body.
In the heat transfer process of this step, hot calcium carbide grain further cooled down after calcium carbide granule product, Ran Houcong
The discharge of calcium carbide grain outlet 52 of the bottom of heat-exchanger rig 5.Meanwhile second hot superconduction heat exchange body and hot calcium carbide grain exchange heat after heat up.
As the utility model preferred embodiment, the second hot superconduction heat exchange body after heating is used to heat for the second steam boiler 6,
Obtain steam.
As the utility model others embodiment, the first hot superconduction heat exchange body and the second hot superconduction after heat exchange heating change
Hot body can be connected with other devices, carry out the utilization of waste heat.
Embodiment 1
It is 2000~2200 DEG C of hot carbide liquids that furnace of calcium carbide, which smelts calcium carbide process to obtain temperature, and hot carbide liquid is from furnace of calcium carbide
Converter nose is flowed directly in carbide liquid heat insulated tank, and subsequently into High Pressure Air Pipe Line, spray is entered under the carrying of pressure-air
Emitter, and sprayed into via the nozzle of injector in air prilling device.The side wall of air prilling device is provided with the first hot superconduction
Heat exchanging body, hot carbide liquid and the first hot superconduction heat exchange body exchange heat, and the hot quick cooling granulation of carbide liquid, obtain hot calcium carbide
Grain, the first hot superconduction heat exchange body heat up after absorbing the heat of hot carbide liquid, for heating the first steam boiler, obtain steam.
Then, hot calcium carbide grain is fed directly in heat-exchanger rig exchange heat with the second hot superconduction heat exchange body, hot calcium carbide grain is gradual
Cooling is completed during landing, finally from the discharge of calcium carbide grain outlet 52 of heat-exchanger rig bottom, meanwhile, the second hot superconduction heat exchange
Body heat exchange heating, and steam or generating are obtained using waste heat, realize the comprehensive reutilization of calcium carbide fluid residual heat.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate the utility model example,
And the restriction not to embodiment.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And thus
Among the obvious changes or variations amplified out is still in the scope of protection of the utility model.
Claims (7)
1. a kind of carbide liquid air prilling and the system of UTILIZATION OF VESIDUAL HEAT IN, it is characterised in that the system include air prilling device,
First steam boiler, heat-exchanger rig, the second steam boiler,
The air prilling device has hot carbide liquid entrance, the outlet of hot calcium carbide grain；The hot carbide liquid porch is set
It is equipped with injector；The seamless steel pipe of multiple horizontal arrangements is provided between the outer wall and inwall of the air prilling device, it is described
The first hot superconduction heat exchange body is filled with seamless steel pipe, the first hot superconduction heat exchange body is connected with first steam boiler；
The heat-exchanger rig has hot calcium carbide grain entrance, the outlet of calcium carbide grain, and the hot calcium carbide grain entrance is made with the injection
The hot calcium carbide grain outlet connection of grain device；The institute of multiple horizontal arrangements is provided between the outer wall and inwall of the heat-exchanger rig
Seamless steel pipe is stated, is filled with the second hot superconduction heat exchange body in the seamless steel pipe, the second hot superconduction heat exchange body and described the
Two steam boilers connect.
2. system according to claim 1, it is characterised in that nozzle, the spray of the nozzle are provided with the injector
Firing angle degree and the angle of horizontal direction are 0~60 °.
3. system according to claim 1, it is characterised in that the hot calcium carbide grain outlet of the air prilling device has one
It is individual or multiple；The hot calcium carbide grain outlet is arranged to shape wide at the top and narrow at the bottom, wherein, the hot calcium carbide grain outlet upper surface
Length be the air prilling device side wall length 1/100~1/10.
4. system according to claim 3, it is characterised in that the hot calcium carbide grain outlet is arranged on the air prilling
At the 1/4~1/3 of the bottom of the device wall, the close side wall relative with side wall where the injector.
5. system according to claim 1, it is characterised in that the calcium carbide grain outlet is positioned at the bottom of the heat-exchanger rig
End；The seamless steel pipe is arranged between the outer wall and inwall of the vertical side of the heat-exchanger rig.
6. system according to claim 1, it is characterised in that also including furnace of calcium carbide and carbide liquid heat insulated tank；The electricity
Stone stove has calcium carbide preparing raw material entrance, the outlet of hot carbide liquid, calcium carbide furnace gas outlet, and the carbide liquid heat insulated tank has heat
State carbide liquid entrance, the outlet of hot carbide liquid；The outlet of hot carbide liquid and the carbide liquid heat insulated tank of the furnace of calcium carbide
The connection of hot carbide liquid entrance, the hot carbide liquid outlet of the carbide liquid heat insulated tank are hot with the air prilling device
Carbide liquid entrance connects.
7. system according to claim 6, it is characterised in that the carbide liquid heat insulated tank hot carbide liquid outlet with
The hot carbide liquid entrance of the air prilling device is connected by High Pressure Air Pipe Line, also, in the air prilling device
On be provided with gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962823.1U CN207192809U (en) | 2017-08-03 | 2017-08-03 | A kind of carbide liquid air prilling and the system of UTILIZATION OF VESIDUAL HEAT IN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962823.1U CN207192809U (en) | 2017-08-03 | 2017-08-03 | A kind of carbide liquid air prilling and the system of UTILIZATION OF VESIDUAL HEAT IN |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207192809U true CN207192809U (en) | 2018-04-06 |
Family
ID=61796314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720962823.1U Expired - Fee Related CN207192809U (en) | 2017-08-03 | 2017-08-03 | A kind of carbide liquid air prilling and the system of UTILIZATION OF VESIDUAL HEAT IN |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207192809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416832A (en) * | 2017-08-03 | 2017-12-01 | 神雾环保技术股份有限公司 | A kind of carbide liquid air prilling and the system and method for UTILIZATION OF VESIDUAL HEAT IN |
-
2017
- 2017-08-03 CN CN201720962823.1U patent/CN207192809U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416832A (en) * | 2017-08-03 | 2017-12-01 | 神雾环保技术股份有限公司 | A kind of carbide liquid air prilling and the system and method for UTILIZATION OF VESIDUAL HEAT IN |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 Termination date: 20190803 |
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| CF01 | Termination of patent right due to non-payment of annual fee |