CN207056334U - Cement producing line desulphurizing system of catalytic - Google Patents
Cement producing line desulphurizing system of catalytic Download PDFInfo
- Publication number
- CN207056334U CN207056334U CN201720854101.4U CN201720854101U CN207056334U CN 207056334 U CN207056334 U CN 207056334U CN 201720854101 U CN201720854101 U CN 201720854101U CN 207056334 U CN207056334 U CN 207056334U
- Authority
- CN
- China
- Prior art keywords
- desulfurizing agent
- skewed slot
- preheater
- agent addition
- inflation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of cement producing line desulphurizing system of catalytic, including induction system and desulphurization system, induction system includes bottom inflation conveying skewed slot, elevator and top inflation conveying skewed slot, the feed end of desulfurizing agent addition point bottom inflation conveying skewed slot, which is provided near bottom skewed slot blower fan and discharge end, is provided with the first desulfurizing agent addition point and dust-precipitator, and the top of desulfurizing agent addition point rear elevator and the feed end of desulfurizing agent addition point top inflation conveying skewed slot connect；Desulfurizing agent addition point desulphurization system includes one-level preheater, two level preheater, three-level preheater, level Four preheater and Pyatyi preheater, dore furnace and rotary kiln；The discharge end of desulfurizing agent addition point top inflation conveying skewed slot sets the second desulfurizing agent to add point by conveyance conduit and the outlet of two level preheater, the exit position of two level preheater.The utility model has the advantages of cost is low, desulfuration efficiency is high, simple in construction etc..
Description
Technical field
The utility model belongs to cement producing line technical field, more particularly to a kind of cement producing line catalytic desulfurization system
System.
Background technology
SO in cement industry flue gas2The sulfide and elemental sulfur being mainly derived from raw material and fuel, as country is to SO2
Discharge standard requires more and more stricter, many clinker manufacturing enterprise SO2 emission reduction tasks very severes in China, annual SO2Row
Dirt is costly to reach millions of members.Therefore, cement kiln SO2 emission controls turn into a urgent task.
The desulfurization technology that cement plant can use at present mainly includes dry desulfurization, semi-dry desulphurization and wet desulphurization and answered
Close desulfurization.Dry desulfurizing process includes reactant insufflation, hot raw material insufflation etc.；Semi-dry desulphurization is mainly spray-dried de-
Sulphur method；Wet desulphurization includes the sulfur removal technologies such as the ammonia process of desulfurization, double alkali method desulfurizing, limestone-gypsum method.Wherein, hot raw material insufflation
In user SO2 can be caused to absorb halfway defect with spray dry desulfurization method, part residual SO2 discharges be had, so as to lead
The tail gas of discharge is caused not meet the discharge standard of country.The ammonia process of desulfurization is widely used in power plant desulphurization system, be it is a kind of efficiently,
The wet desulfurizing process of low cost, but this method easily causes the escaping of ammonia when in use and causes secondary pollution.Dual alkali takes off
Sulphur technique is applied to be needed to build desulfurizing tower in cement plant desulfurization, and one time cost of investment is larger；Limestone-gypsum method technique is once
Cost of investment is excessive, and floor space is high, operating cost is high, system administration is complicated, thus the technique is not suitable for cement plant desulfurization
In system.
For the drawbacks described above of prior art sulfur method, how to provide a kind of low cost, simple to operate, efficiency high and
The good desulphurizing system of catalytic applied to cement growth line of desulfurized effect is technical problem in the urgent need to address in the prior art.
Utility model content
In view of this, in order to overcome the drawbacks described above of prior art, the purpose of this utility model is to provide a kind of cement
Production line desulphurizing system of catalytic, the advantages of it has, and cost is low, desulfuration efficiency is high, simple in construction etc..
In order to achieve the above object, the utility model provides a kind of cement producing line desulphurizing system of catalytic, including delivery system
System and desulphurization system, wherein：
The induction system includes bottom inflation conveying skewed slot, elevator and top inflation conveying skewed slot, and the bottom is filled
The feed end of gas conveying skewed slot is provided with bottom skewed slot blower fan and discharge end is nearby provided with the first desulfurizing agent addition point and gathered dust
Device, the discharge end of the bottom inflation conveying skewed slot connect with the bottom of elevator, the top of the elevator and the top
The feed end connection of inflation conveying skewed slot, the feed end of the top inflation conveying skewed slot are provided with top skewed slot blower fan and gone out
Material end connects with the desulphurization system；
The desulphurization system includes one-level preheater, two level preheater, three-level preheater, level Four preheater and Pyatyi preheating
Device, dore furnace and rotary kiln；The outlet that the discharge end of the top inflation conveying skewed slot passes through conveyance conduit and two level preheater
Connection, the conveyance conduit are provided with lock feeding device and start slide valve, and the exit position of the two level preheater sets the
Two desulfurizing agents add point；The bottom of the dore furnace is provided with tertiary-air pipe and is connected with rotary kiln.
Further, the exit position of the three-level preheater is provided with the 3rd desulfurizing agent addition point.
Further, the exit position of the one-level preheater is provided with the 4th desulfurizing agent addition point.
Further, spray equipment is provided with the first desulfurizing agent addition point, is sprayed desulfurizing agent by spray equipment
Spill into raw material.
Further, spray gun is provided with the second desulfurizing agent addition point, is sprayed desulfurizing agent to raw material by spray gun
In.
Further, be provided with spray gun in the 3rd desulfurizing agent addition point, by spray gun by Desulfovibrio agent spray to
In raw material.
Further, be provided with spray gun in the 4th desulfurizing agent addition point, by spray gun by Desulfovibrio agent spray to
In raw material.
Compared with prior art, the utility model has the advantages that：
1. compared with prior art, the utility model by set respectively in different positions desulfurizing agent add point, so as to
It may be such that desulfurizing agent can fully contact with raw material, so that the sulphur in raw material fully solidifies, reach sulfur dioxide (SO2) emissions and reach
Target purpose.
2. compared with other sulfur methods of prior art, this is simple in construction, simple to operate using new sulfur method,
And efficiency high.
3. cost and early investment are greatly reduced, it is instant to solve the problems, such as sulphur emissions.
Brief description of the drawings
In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, the utility model provides as follows
Accompanying drawing illustrates：
Fig. 1 is the structural representation of cement producing line desulphurizing system of catalytic of the present utility model.
Reference：
Bottom inflation conveying skewed slot 1；Elevator 2；Top inflation conveying skewed slot 3；Bottom skewed slot blower fan 4；First desulfurizing agent
Addition point 5；Dust catcher 6；Top skewed slot blower fan 7；One-level preheater 8；Two level preheater 9；Three-level preheater 10；Level Four preheater
11；Pyatyi preheater 12；Dore furnace 13；Rotary kiln 14；Lock feeding device 15；Start slide valve 16；Second desulfurizing agent adds point
17；Tertiary-air pipe 18；3rd desulfurizing agent addition point 19；4th desulfurizing agent addition point 20.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
With reference to figure 1, cement producing line desulphurizing system of catalytic of the present utility model includes induction system and desulphurization system, its
In, the induction system includes bottom inflation conveying skewed slot 1, elevator 2 and top inflation conveying skewed slot 3, bottom inflation conveying
The feed end of skewed slot 1 is provided with bottom skewed slot blower fan 4 and discharge end is nearby provided with the first desulfurizing agent addition point 5 and dust-precipitator 6
(in actual use, dust-precipitator connects with outside dust collecting fan, so as to which gas be discharged), bottom inflation conveying skewed slot 1
Discharge end connects with the bottom of elevator 2, and the feed end of the top of the elevator 2 and top inflation conveying skewed slot 3 connects, top
The feed end of inflation conveying skewed slot 3 is provided with top skewed slot blower fan 7 and discharge end connects with desulphurization system.Inflation conveying skewed slot
Lower inside is provided with ventilative cloth, is transported by the raw material down fold discharge end blown on ventilative cloth of skewed slot blower fan, from
And realize the conveying of raw material.
The desulphurization system includes one-level preheater 8, two level preheater 9, three-level preheater 10, level Four preheater 11 and Pyatyi
Preheater 12, dore furnace 13 and rotary kiln 14；The discharge end of top inflation conveying skewed slot 3 is preheated by conveyance conduit and two level
The outlet of device 9, the conveyance conduit are provided with lock feeding device 15 and start slide valve 16 and (by the lock feeding device and open
Dynamic slide valve and by raw material conveyor into two level preheater), the exit position of the two level preheater sets the second desulfurizing agent to add
Add some points 17；The bottom of the dore furnace is provided with tertiary-air pipe and tertiary-air pipe connects with rotary kiln, will by tertiary-air pipe
Caused waste gas is exported by one-level preheater to discharge in warm.
Operating principle：Raw material are inflated into conveying skewed slot by bottom first to be conveyed, and going out in inflation conveying skewed slot
Expect that port sets the first desulfurizing agent to add point, so that raw material and desulphurizer mixing；And raw material are promoted to by elevator
Top inflation conveying skewed slot, by top inflate skewed slot by raw material conveyor into desulphurization system (specifically, the desulphurization system is
Preheating and calcining system), and may be such that desulfurizing agent is further well mixed with raw material in course of conveying；Raw material preheat from two level
Device outlet enters, with air motion to one-level preheater；The raw material of one-level preheater move to three-level preheater outlet, raw material with
Three-level preheater exit flow moves to two level preheater；Raw material in two level preheater enter to the outlet of level Four preheater, with
Level Four preheater exit flow moves to three-level preheater；Raw material in three-level preheater enter to the outlet of Pyatyi preheater, with
Pyatyi preheater exit flow moves to level Four preheater；The raw material of level Four preheater are entered in dore furnace, by dore furnace
Raw material after processing are entered in Pyatyi preheater, are most flowed into afterwards through Pyatyi preheater in rotary kiln, gas is then from decomposition
In the tertiary-air pipe of stove successively upwards (rotary kiln and tertiary-air pipe enter in dore furnace, then upward successively from Pyatyi preheater)
Motion, the outlet most afterwards through one-level preheater is expelled to kiln tail dust collecting system.
In order that obtaining, the tail gas that the utility model is discharged further conforms to national standard or content of sulfur dioxide is minimum,
Then the exit position of three-level preheater can be provided with the 3rd desulfurizing agent addition point 18.Further, in one-level preheater
Exit position is provided with the 4th desulfurizing agent addition point, so that the content of the sulfur dioxide in tail gas of discharge is minimum, meets
The exhaust emissions requirement of national regulation.
In order that obtaining desulfurizing agent addition of the present utility model can be sufficiently mixed with raw material, is set in the first desulfurizing agent addition point
Spray equipment (not shown in figures) is equipped with, desulfurizing agent is sprayed in raw material by spray equipment, so that raw material exist
Delivery phase and desulphurizer mixing, in actual use, desulfurizing agent can be contained up in fluid reservoir, by water pump by fluid reservoir
Desulfurizing agent be introduced in spray equipment.Further, spray gun is provided with the second desulfurizing agent addition point, by spray gun by desulfurization
Agent is sprayed into raw material；Spray gun is provided with 3rd desulfurizing agent addition point, is sprayed desulfurizing agent into raw material by spray gun；It is described
Spray gun is provided with 4th desulfurizing agent addition point, is sprayed desulfurizing agent into raw material by spray gun.By the atomizing of spray gun,
So that desulfurizing agent can fully contact with raw material, so as to reach the effect for fully solidifying the sulphur in raw material.The structure
Desulfurization method is simple in construction, and desulfurized effect then can be achieved in the system and operation logic without complexity.
Catalytic desulfurizing agent main component of the present utility model is catalyst, oxidant, sulphur-fixing agent.By adding lithium, lanthanum oxygen
The different additives such as compound increase the activity of desulfurizing agent；Made by adding rhodium, platinum and some rare earth elements to play fortifying catalytic
With；Further strengthen solid sulphur by adding alkaline earth composition.Catalytic desulfurizing agent desulphurization mechanism：By adding desulphurization catalyst,
Under middle low-temperature condition, raw material neutral and alkali Ingredients Active is activated, the reaction temperature of alkaline components and sulfur dioxide is reduced, promotes dioxy
Change and fully absorbed in sulphur preheater by raw material, reach solid sulphur and sulfur dioxide (SO2) emissions purpose up to standard.
Finally illustrate, preferred embodiment above is only unrestricted to illustrate the technical solution of the utility model, to the greatest extent
The utility model has been described in detail by above preferred embodiment for pipe, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The scope of restriction.
Claims (7)
1. a kind of cement producing line desulphurizing system of catalytic, including induction system and desulphurization system, it is characterised in that：
It is defeated that the induction system includes bottom inflation conveying skewed slot, elevator and top inflation conveying skewed slot, the bottom inflation
Send the feed end of skewed slot to be provided near bottom skewed slot blower fan and discharge end and be provided with the first desulfurizing agent addition point and dust-precipitator,
The discharge end of the bottom inflation conveying skewed slot is connected with the bottom of elevator, and the top of the elevator is inflated with the top
The feed end connection of skewed slot is conveyed, the feed end of the top inflation conveying skewed slot is provided with top skewed slot blower fan and discharge end
Connected with the desulphurization system；
The desulphurization system include one-level preheater, two level preheater, three-level preheater, level Four preheater and Pyatyi preheater,
Dore furnace and rotary kiln；The discharge end of the top inflation conveying skewed slot is connected by the outlet of conveyance conduit and two level preheater
Logical, the conveyance conduit is provided with lock feeding device and starts slide valve, and the exit position of the two level preheater sets second
Desulfurizing agent adds point；The bottom of the dore furnace is provided with tertiary-air pipe.
2. cement producing line desulphurizing system of catalytic according to claim 1, it is characterised in that：The three-level preheater goes out
Mouth opening position is provided with the 3rd desulfurizing agent addition point.
3. cement producing line desulphurizing system of catalytic according to claim 1, it is characterised in that：The one-level preheater goes out
Mouth opening position is provided with the 4th desulfurizing agent addition point.
4. cement producing line desulphurizing system of catalytic according to claim 1, it is characterised in that：The first desulfurizing agent addition
Spray equipment is provided with point, desulfurizing agent is sprayed in raw material by spray equipment.
5. cement producing line desulphurizing system of catalytic according to claim 1, it is characterised in that：The second desulfurizing agent addition
Spray gun is provided with point, is sprayed desulfurizing agent into raw material by spray gun.
6. cement producing line desulphurizing system of catalytic according to claim 2, it is characterised in that：The 3rd desulfurizing agent addition
Spray gun is provided with point, is sprayed desulfurizing agent into raw material by spray gun.
7. cement producing line desulphurizing system of catalytic according to claim 3, it is characterised in that：The 4th desulfurizing agent addition
Spray gun is provided with point, is sprayed desulfurizing agent into raw material by spray gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720854101.4U CN207056334U (en) | 2017-07-14 | 2017-07-14 | Cement producing line desulphurizing system of catalytic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720854101.4U CN207056334U (en) | 2017-07-14 | 2017-07-14 | Cement producing line desulphurizing system of catalytic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207056334U true CN207056334U (en) | 2018-03-02 |
Family
ID=61510232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720854101.4U Active CN207056334U (en) | 2017-07-14 | 2017-07-14 | Cement producing line desulphurizing system of catalytic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207056334U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465367A (en) * | 2018-05-11 | 2018-08-31 | 熊燕飞 | A kind of desulfurization denitration method |
| CN111054204A (en) * | 2020-02-24 | 2020-04-24 | 上海三融环保工程有限公司 | Self-circulation desulfurization device, self-circulation desulfurization system and self-circulation desulfurization method |
-
2017
- 2017-07-14 CN CN201720854101.4U patent/CN207056334U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465367A (en) * | 2018-05-11 | 2018-08-31 | 熊燕飞 | A kind of desulfurization denitration method |
| CN111054204A (en) * | 2020-02-24 | 2020-04-24 | 上海三融环保工程有限公司 | Self-circulation desulfurization device, self-circulation desulfurization system and self-circulation desulfurization method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205164488U (en) | Mixed flue gas wet flue gas desulfurization device of fire coal - catalysis | |
| CN105032137B (en) | A kind of quick lime-ammonia associating flue gas desulfurization and denitrification integrated apparatus | |
| CN207056334U (en) | Cement producing line desulphurizing system of catalytic | |
| CN103933841A (en) | Device and method for simultaneously desulfurizing and denitrating sintering smoke | |
| CN107899408B (en) | Wet method and dry method combined flue gas desulfurization system and desulfurization method | |
| CN217220890U (en) | Domestic waste burns flue gas denitration deacidification dust removal integration system of optimization | |
| CN209438217U (en) | A kind of manufacture of cement preheater self-loopa technique progress desulfurizer | |
| CN111135687A (en) | Push type flue gas circulating fluidized bed desulfurization device and method thereof | |
| CN107252624A (en) | The semi-dry desulphurization system and technique of a kind of utilization flyash | |
| CN108561893B (en) | Industrial boiler flue gas multi-pollutant cooperative control device and process flow thereof | |
| CN105964071A (en) | Half-dry type flue gas desulfurization device and method | |
| CN201493032U (en) | Integrated limestone/plaster wet flue gas desulfurization and denitration device | |
| CN206762618U (en) | A kind of dry-wet integratedization desulfuring and denitrifying apparatus | |
| CN201389423Y (en) | Flue gas desulphurization dust removing tower for coal burning boiler | |
| CN205613259U (en) | Sintering flue gas desulfurization denitration integration system | |
| CN105126563A (en) | Desulfurization and denitrification medium for glass melter smoke and desulfurization and denitrification equipment and method | |
| CN202315697U (en) | Three-segment desulfurizer for boiler of circulating fluidized bed | |
| CN107126830A (en) | Coke oven flue gas sodium calcium base combined desulfurization dedusting SDG system and method based on SDA methods | |
| CN208943815U (en) | A kind of desulphurization plant reducing ammonia and doctor solution escape | |
| CN207221704U (en) | A kind of cement clinker production line grading desulfurization denitrification apparatus | |
| CN205435455U (en) | Cement kiln flue gas desulfurization system | |
| CN207356926U (en) | Dust-removal and desulfurizing denitrification integrated device | |
| CN111097282B (en) | Method and device for desulfurizing cement kiln flue gas by using white mud | |
| CN212039784U (en) | Promotion type flue gas circulating fluidized bed desulfurization device | |
| CN203379801U (en) | Desulfurization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |