CN207856651U - A kind of desulfurizer of coal-burning boiler - Google Patents
A kind of desulfurizer of coal-burning boiler Download PDFInfo
- Publication number
- CN207856651U CN207856651U CN201721623347.7U CN201721623347U CN207856651U CN 207856651 U CN207856651 U CN 207856651U CN 201721623347 U CN201721623347 U CN 201721623347U CN 207856651 U CN207856651 U CN 207856651U
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- China
- Prior art keywords
- reinforced plastic
- glass reinforced
- desulfurization tower
- coal
- desulfurizer
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Abstract
The utility model discloses a kind of desulfurizers of coal-burning boiler, including glass reinforced plastic desulfurization tower, glass reinforced plastic desulfurization tower inner upper is provided with double-current spray gun body, pending gas inlet and liquid chlorine import are set below glass reinforced plastic desulfurization tower side wall, pending gas inlet and liquid chlorine import is corresponding to be arranged in glass reinforced plastic desulfurization tower both sides, glass reinforced plastic desulfurization tower upper end is provided with exhanst gas outlet after purification, and glass reinforced plastic desulfurization tower lower end is connected with waste pipe.A kind of desulfurizer desulfuration efficiency of coal-burning boiler of the utility model is high.
Description
Technical field
The utility model belongs to desulphurization plant technical field, is related to a kind of desulfurizer of coal-burning boiler.
Background technology
Due to economic fast development, China power plant, chemical plant, paper mill, food factory, medical instrument/pharmaceuticals,
The boiler of sugar refinery, smeltery, petrochemical plant etc., construction is more and more, thus because of coal fire discharged sulfur dioxide (SO2) and
Nitrogen oxides (NOx) sharply increases, and sulfur dioxide, nitrogen oxides become the main matter of atmosphere pollution.China is annual according to statistics
NOx, SO2 discharge capacity respectively may be about 7,700,000 t and 24,000,000 t, however NOx, SO2 are the main originals to form " acid rain " and " acid mist "
One of because, China causes damages up to 110,000,000,000 yuan because of NOx, SO2 and formation acid rain every year, and loss accounts for about national economy production
The 7%~8% of total value.
Currently, the technology in the operation of China's desulphurization market is broadly divided into three kinds, wet desulphurization, dry desulfurization and semidry method are de-
Sulphur, however, 80% or more online large thermal power plant uses lime stone-gypsum, limestone-gypsum method is the current world
Upper technology is most ripe, and practical achievement is most, the most stable of sulfur removal technology of operation conditions, has nearly 30 years operating experience.But
It is that desulfurizing byproduct sulphur gypsum yield is huge, and there is also many problems in quality.Meanwhile in boiler desulfurization technique frequently with
Dual alkali has high corrosiveness with sodium alkali, and easily dirt is stifled, and the operating cost of magnesium oxide method and ammonia process is higher, generally also very
Difficulty is used by enterprise.For the smaller chemical industry of some demands and petrochemical industry, since its unit capacity is less than normal, so by firing
It how untreated burns sulfur dioxide, the nitrogen oxides for generating and containing in exhaust gas, generally directly uses direct high altitude discharge.
Utility model content
The purpose of this utility model is to provide a kind of desulfurizer of coal-burning boiler, and desulfuration efficiency is high.
The utility model is the technical scheme adopted is that a kind of desulfurizer of coal-burning boiler, including glass reinforced plastic desulfurization tower,
Glass reinforced plastic desulfurization tower inner upper is provided with double-current spray gun body, be arranged below glass reinforced plastic desulfurization tower side wall pending flue gas into
In glass reinforced plastic desulfurization tower both sides, fiberglass is de- for mouth and liquid chlorine import, pending gas inlet and the corresponding setting of liquid chlorine import
Sulphur tower upper end is provided with exhanst gas outlet after purification, and glass reinforced plastic desulfurization tower lower end is connected with waste pipe.
The utility model is further characterized in that,
Exhanst gas outlet is connected with the pipeline of T-type after purification, and one end of exhanst gas outlet is provided with chlorine after the connection purification of T-type pipeline
The other both ends of gas detection device, T-type pipeline are connected separately with delivery pipe and circulation pipe, are respectively set on delivery pipe and circulation pipe
There are valve a and valve b.
Waste pipe is connected with plastic storage tank, and valve c is additionally provided on waste pipe.
Circulation pipe connects liquid chlorine import.
Circulation pipe connects pending gas inlet.
The utility model has the beneficial effects that：
(1) desulfurizer of the utility model is used liquid chlorine as desulfurizing agent, is sent out with sulfur dioxide and water after being vaporized into chlorine
Raw Strong oxdiative reduction reaction, desulfuration efficiency is high, be swift in response, required time is short.
(2) desulfurizer of the utility model, using single hole venturi glass reinforced plastic desulfurization tower, tower interior air-flow flow velocity is fast, tower
It is the resistance to strong acid of body, corrosion-resistant；Using double-current spray gun body, increase reaction contact area, accelerate reaction rate, there is significant dust to catch
Catch ability, significantly more efficient purification boiler flue gas.
(3) desulfurizer of the utility model can solve asking for some areas liquid chlorine excess capacity using liquid chlorine as desulfurizing agent
Topic, increases the profit of chlorine industry, promotes the development of chloralkali process.
(4) desulfurizer of the utility model, system complexity is low, and required equipment is few, installs and using all relatively more square
Just, it is very suitable for medium small boiler use.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the desulfurizer of coal-burning boiler of the utility model.
In figure, 1. glass reinforced plastic desulfurization towers, 2. pending gas inlets, 3. double-current spray gun bodies, exhanst gas outlet after 4. purifications,
5. chlorine detection device, 6. valve a, 7. valve b, 8. circulation pipes, 9. liquid chlorine imports, 10. plastic storage tanks, 11. valve c, 12. rows
Useless pipe, 13. delivery pipes.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and detailed description.
A kind of desulfurizer of coal-burning boiler of the utility model, as shown in Figure 1, including glass reinforced plastic desulfurization tower 1, fiberglass is de-
1 inner upper of sulphur tower is provided with double-current spray gun body 3, and pending 2 He of gas inlet is arranged below 1 side wall of glass reinforced plastic desulfurization tower
In 1 both sides of glass reinforced plastic desulfurization tower, fiberglass is de- for liquid chlorine import 9, pending gas inlet 2 and the corresponding setting of liquid chlorine import 9
1 upper end of sulphur tower is provided with exhanst gas outlet 4 after purification, and 1 lower end of glass reinforced plastic desulfurization tower is connected with waste pipe 12.Glass reinforced plastic desulfurization tower is
Single hole venturi glass reinforced plastic desulfurization tower, reaction rate is fast, acidproof, corrosion-resistant.Spray gun double fluid spray gun body, atomizing particle size are very thin
Small, desulfuration efficiency is high, and has significant dust capturing ability.
Exhanst gas outlet 4 is connected with the pipeline of T-type after purification, and one end of exhanst gas outlet 4 is provided with after the connection purification of T-type pipeline
The other both ends of chlorine detection device 5, T-type pipeline are connected separately with delivery pipe 13 and circulation pipe 8, delivery pipe 13 and circulation pipe 8
On be respectively arranged with valve a6 and valve b7.
Waste pipe 12 is connected with plastic storage tank 10, and valve c11 is additionally provided on waste pipe 12.
Circulation pipe 8 connects liquid chlorine import 9.
Circulation pipe 8 connects pending gas inlet 2.
A kind of operation principle of the desulfurizer of coal-burning boiler of the utility model is：Give double-current spray gun body 3 water flowing, it is pending
Flue gas and liquid chlorine glass reinforced plastic desulfurization tower 1 is entered by pending gas inlet 2 and liquid chlorine import 9, liquid chlorine is fast under normal pressure
Speed becomes chlorine, and after pending flue gas and chlorine enter in tower, the water sprayed with double-current spray gun body 3 reacts, and generates salt
The mixed solution of acid and sulfuric acid, is discharged by tower bottom waste pipe 12, is passed through plastic storage tank 10 through pipeline, purified flue gas passes through
Top exhanst gas outlet 4 is discharged, installation chlorine detection device 5 at top exhanst gas outlet 4, wherein the mesh that chlorine detection device 5 is arranged
Be：Detection chlorine whether react completely, when discharge standard cannot be reached, by with liquid chlorine import or pending cigarette
The connected circulation pipe 8 of gas import, flue gas up to standard is re-fed into tower, carries out secondary response,
The pipeline being connected with top exhanst gas outlet uses T-type pipeline, two branch pipes that valve a6 and valve b7 is respectively set, works as chlorine
Gas detection device detects that valve a6 is closed when chlorine is below standard, and valve b7 is opened；When chlorine reaches discharge standard, valve a6
It opens, valve 7b is closed.Meanwhile being also equipped with feed pipe in desulfurizing tower and being connected with double-current spray gun body, control valve is housed on feed pipe
Door；With on the pipeline that is connected of desulfurizing tower bottom solution outlet equipped with valve d11, the agreeable to the taste Open valve d11 for needing waste discharge from
Waste pipe 12 is discharged.
A kind of desulfurizer for fire coal boiler fume of the utility model, using chlorine as desulfurizing agent, particularly as being by chlorine
Gas and pending flue gas are passed through to desulfurizing tower, and Strong oxdiative reduction occurs with the water that the double-current spray gun body in tower sprays
Reaction, sloughs the sulfur dioxide in flue gas.Chlorine detection is carried out to purified flue gas, to being not up to the flue gas weight of discharge standard
It is new to be sent into tower secondary response again.Simultaneously as double-current spray gun body has significant dust removing effects so that may be used also while desulfurization
Effectively to remove the grit in flue gas.
Claims (5)
1. a kind of desulfurizer of coal-burning boiler, which is characterized in that including glass reinforced plastic desulfurization tower (1), the glass reinforced plastic desulfurization tower
(1) inner upper is provided with double-current spray gun body (3), and pending flue gas is arranged below glass reinforced plastic desulfurization tower (1) side wall
Import (2) and liquid chlorine import (9), the corresponding setting of pending gas inlet (2) and liquid chlorine import (9) are de- in fiberglass
Sulphur tower (1) both sides, glass reinforced plastic desulfurization tower (1) upper end are provided with exhanst gas outlet (4) after purification, the glass reinforced plastic desulfurization tower
(1) lower end is connected with waste pipe (12).
2. a kind of desulfurizer of coal-burning boiler according to claim 1, which is characterized in that exhanst gas outlet after the purification
(4) it is connected with the pipeline of T-type, one end of exhanst gas outlet (4) is provided with chlorine detection device after the T-type pipeline connection purification
(5), the other both ends of the T-type pipeline are connected separately with delivery pipe (13) and circulation pipe (8), delivery pipe (13) and circulation pipe
(8) valve a (6) and valve b (7) are respectively arranged on.
3. a kind of desulfurizer of coal-burning boiler according to claim 1, which is characterized in that waste pipe (12) connection
There is plastic storage tank (10), valve c (11) is additionally provided on the waste pipe (12).
4. a kind of desulfurizer of coal-burning boiler according to claim 2, which is characterized in that circulation pipe (8) connection
Liquid chlorine import (9).
5. a kind of desulfurizer of coal-burning boiler according to claim 2, which is characterized in that circulation pipe (8) connection
Pending gas inlet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721623347.7U CN207856651U (en) | 2017-11-29 | 2017-11-29 | A kind of desulfurizer of coal-burning boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721623347.7U CN207856651U (en) | 2017-11-29 | 2017-11-29 | A kind of desulfurizer of coal-burning boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207856651U true CN207856651U (en) | 2018-09-14 |
Family
ID=63468006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721623347.7U Expired - Fee Related CN207856651U (en) | 2017-11-29 | 2017-11-29 | A kind of desulfurizer of coal-burning boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207856651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117000021A (en) * | 2023-09-21 | 2023-11-07 | 河北耀一节能设备制造有限责任公司 | Lime gypsum desulfurization device and desulfurization method thereof |
-
2017
- 2017-11-29 CN CN201721623347.7U patent/CN207856651U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117000021A (en) * | 2023-09-21 | 2023-11-07 | 河北耀一节能设备制造有限责任公司 | Lime gypsum desulfurization device and desulfurization method thereof |
| CN117000021B (en) * | 2023-09-21 | 2024-01-19 | 河北耀一节能设备制造有限责任公司 | Lime gypsum desulfurization device and desulfurization method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20191129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |