CN206631811U - A kind of denitration spray gun - Google Patents
A kind of denitration spray gun Download PDFInfo
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- CN206631811U CN206631811U CN201621242476.7U CN201621242476U CN206631811U CN 206631811 U CN206631811 U CN 206631811U CN 201621242476 U CN201621242476 U CN 201621242476U CN 206631811 U CN206631811 U CN 206631811U
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- spray gun
- screw mandrel
- denitration
- gun
- shower nozzle
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Abstract
The utility model discloses a kind of denitration spray gun, the spray gun is inserted perpendicularly into body of heater by body of heater top center position, and the multiple horizontal nozzles installed by spray gun club head shower nozzle side carry out the injection of denitrfying agent gas-liquid mixed agent；The gun head is also equipped with temperature inductor, temperature value for induction nozzle current position, by the way that the temperature value is fed back into control system, contrasted with the optimum temperature value of setting, draw temperature value deviation, then control system is by controlling the position of drive device vertical adjusting spray gun, spray gun spray nozzle can be made to be moved to denitration optimum temperature area, denitration rate can be improved, denitrfying agent escape amount is reduced, energy-conserving and environment-protective is not only contributed to, also reduces denitration cost, it is easy to operation and whole device is simple in construction.
Description
Technical field
The utility model belongs to denitration technology field, and in particular to a kind of denitration spray gun.
Background technology
In the last few years, becoming increasingly conspicuous with environmental problem, pollution control are of interest for increasing people.China
It is the country using coal as main fuel, during coal burning, substantial amounts of nitrogen oxides can be produced（NOX）, it is discharged into big
In gas, photochemical reaction can be caused in the presence of sunlight, photochemical fog is formed, so as to cause serious atmosphere pollution, shadow
Air quality is rung, causes human body various respiratory tract disease.
Denitrating flue gas, refer to the NO generatedXIt is reduced to N2, in numerous method of denitration, selective non-catalytic is also
It is former（SNCR, Selective Non-Catalytic Reduction）It is mainly used in denitration in burner hearth, need not in denitrification process
Catalyst, cost control are low.Its principle mainly uses denitrfying agent（Such as NH3, urea etc.）At a suitable temperature, by NOXReduction
For N2。
Existing technology is all in burner hearth, with NO by denitrfying agent using lance ejectionXReacted；However, the chemistry
Reaction need an optimal warm area, temperature it is too low or it is too high can all cause to react insufficient, not only reduce denitration rate, also waste
Raw material, can cause economic loss.Therefore, it is most important that the warm area being adapted to is caught in reaction.And because existing denitration is sprayed
Rifle is fixedly mounted using horizontal, in order that denitrfying agent sprays broad covered area, can be ejected into suitable humidity province, be employed more
Layer arrangement（General industry boiler is using two layers of arrangement）, realized by switching upper strata or lower floor's spray gun to the thick of humidity province during use
Rustic selection.
However, upper and lower two layers（Or more than two layers）The switching of fixed spray gun, it is impossible to meet the accurate seizure to reaction temperature,
So spray into denitration dosage（With NH3Exemplified by）Can not completely and NOXFully reaction, causes to have neither part nor lot in the NH of reaction3Escape, makes NOX
Removal efficiency reduces, operating cost increases, the NH of escape3Secondary pollution is caused into air；Also, in order to realize penetrating burner hearth
Denitrfying agent can cover enough horizontal areas, it is necessary to horizontally disposed branched spray gun, while need supporting multichannel conveyance conduit
And Multi-channel controller, system complex.
Utility model content
The purpose of this utility model is to overcome defect present in prior art, there is provided one kind can automatic tracing it is optimal
React warm area, and the denitration spray gun that denitrfying agent injection coverage rate is big.
To achieve the above object, design of the present utility model is as follows：
A kind of denitration spray gun, is vertically mounted in body of heater, out of the insertion of body of heater top center position stove, including gun shot,
Shower nozzle and horizontal nozzles, gun shot is stitched by more piece quarter butt by nipple to be connected, and is easily installed and dismantles；Stretch gun shot lower end
Enter to furnace interior and spray denitrfying agent, upper end is connected to drive mechanism；Shower nozzle is arranged on the head of gun shot, and its side is uniformly divided
It is furnished with even number horizontal nozzles, and the positional symmetry of these horizontal nozzles；The lower surface of shower nozzle is also equipped with temperature sensor, uses
In the temperature value information for detecting warm area residing for current shower nozzle, temperature sensor protecting set is also cased with the outside of temperature sensor,
TEMP protective case temperature, while have higher Wear-resistant, high-temperature resistant performance thoroughly completely, can effectively prevent TEMP
Device sustains damage；Gun shot is hollow structure, and inside is laid with temperature sensor electrical lead wire, the temperature sensor electrical lead wire
It is connected with temperature sensor, for providing electric power；Temperature sensor believes the temperature of position described in the current shower nozzle sensed
Breath feeds back to PLC（Programmable Logic Controller）Control system, in the controls, by by the temperature
Value contrasts with presetting optimal reaction temperature value, obtains the deviation of temperature, after handling the deviation value information by control system,
Control drive mechanism drives spray gun to be in vertical motion.
Drive mechanism is connected to above body of heater, for controlling vertically moving for spray gun, including support base under screw mandrel, screw mandrel,
Screw mandrel upper support seat, servomotor, slide unit and straight connecting rod；Wherein, screw mandrel is arranged on above body of heater, by the screw mandrel on its top
Support base is supported under support base and the screw mandrel of bottom, and servomotor is provided with screw mandrel upper support seat, the servomotor
It is connected with screw mandrel, after servomotor starts, screw mandrel can be driven to be rotated；Screw mandrel has been connected through a screw thread slide unit, works as silk
When bar rotates, slide unit internally screw thread with can be along screw axis to moving up and down under the interaction of screw mandrel external screw-thread；Slide unit with
Straight connecting rod is fixed, and the upper end connection of straight connecting rod and gun shot, drives straight connecting rod to move up and down by slide unit, and then drive spray gun
Vertically move up and down；The electric interfaces of connection power supply are additionally provided with the casing of the drive mechanism, connect the de- of denitrfying agent
Nitre agent entrance and the louvered shutter for radiating；Electric interfaces are connected by electric wire with servomotor, and denitrfying agent entrance leads to
Cross hose connector and be connected to gun shot upper end, for denitrfying agent to be introduced in spray gun.
The advantages of the utility model and beneficial effect are：
1st, it is arranged vertically using spray gun, it is only necessary to which single loop is controlled spray denitrfying agent, instead of traditional multiple loops
Arrangement method, simplifies system；
2nd, by temperature sensor and spray gun vertical adjusting drive device, the denitrfying agent that energy adjusting shower nozzle sprays is positioned at optimal
Reaction temperature area, be advantageous to the denitration efficiency of raising system, reduce denitrfying agent escape amount, and the regulation of spray gun vertical direction can be in office
Meaning position stops, and is quick on the draw and spray gun load capacity is strong；
3rd, spray gun spray nozzle side arrangement has multiple horizontal nozzles, can increase the area coverage of denitrfying agent.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model；
Wherein, 1, gun shot；2nd, shower nozzle；3rd, horizontal nozzles；4th, temperature sensor；5th, temperature sensor sheath；6th, screw thread
Joint stitches；7th, temperature sensor electrical lead wire；8th, support base under screw mandrel；9th, screw mandrel；10th, screw mandrel upper support seat；11st, servo electricity
Machine；12nd, slide unit；13rd, straight connecting rod；14th, hose connector；15th, electric interfaces；16th, denitrfying agent entrance；17th, louvered shutter.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and can not limit protection model of the present utility model with this
Enclose.
The utility model specific implementation technical scheme be：
As shown in figure 1, a kind of denitration spray gun, is vertically mounted in body of heater, and out of the insertion of body of heater top center position stove, spray
Rifle includes gun shot 1, shower nozzle 2 and horizontal nozzles 3, and shower nozzle 2 is arranged on the head of gun shot 1, and the side of shower nozzle 2 is evenly distributed with four
Individual horizontal nozzles 3, and the positional symmetry of four horizontal nozzles 3；Temperature sensor 4 is also equipped with the lower surface of shower nozzle 2, in temperature
The outside of degree sensor 4 is also cased with temperature sensor protecting set 5；Gun shot 1 is hollow structure, wherein being laid with temperature sensor
Electrical lead wire 7, the lead 7 are connected with the temperature sensor 4 of the bottom of shower nozzle 2；In addition, gun shot 1 passes through spiral shell by more piece quarter butt
Line joint seam 6 is connected, and is easily installed and dismantles；The spray gun lower end extend into furnace interior injection denitration liquid, and upper end is connected to drive
On motivation structure.
Drive mechanism is connected to above body of heater, including support base 8, screw mandrel 9, screw mandrel upper support seat 10, servo electricity under screw mandrel
Machine 11, slide unit 12 and straight connecting rod 14；Wherein, screw mandrel 9 is arranged on above body of heater, passes through the screw mandrel upper support seat 10 on its top and bottom
Support base 8 is supported under the screw mandrel in portion, and servomotor 11 is provided with screw mandrel upper support seat 10, the servomotor 11 and silk
Bar 9 is connected, and after servomotor 11 starts, screw mandrel 9 can be driven to be rotated；Screw mandrel 9 has been connected through a screw thread slide unit 12, when
When screw mandrel 9 rotates, slide unit 12 can be along screw axis to moving up and down；Slide unit 12 is fixed with straight connecting rod 13, straight connecting rod 13 and gun shot 1
Upper end connection, by slide unit 12 drive straight connecting rod 13 move up and down, and then drive spray gun carry out up and down vertically move；At this
Electric interfaces 15, denitrfying agent entrance 16 and louvered shutter 17 are additionally provided with the casing of drive mechanism；Electric interfaces 15 pass through
Electric wire connects with servomotor 11, and the denitrfying agent entrance is connected to gun shot upper end by hose connector 14, for by denitration
Agent is introduced in spray gun.
When needing to carry out denitration, electric interfaces 15 is connected power supply, the current institute of shower nozzle 2 is sensed by temperature sensor 4
Locate the temperature value information of warm area, the temperature value information fed back into control system, by by the temperature value with it is presetting optimal
Reaction temperature value contrasts, and obtains the deviation of temperature, and after handling the deviation value information by control system, control drive mechanism drives
Spray gun is in vertical motion, and is specially：
Control system adjusts the rotation of servomotor 11 by the deviation of temperature, servomotor 11 is driven screw mandrel 9
A certain amount of rotation is carried out, enters axial direction of the slide unit 12 along screw mandrel 9 by the screw thread outside screw mandrel 9 and the screw thread inside slide unit 12
Row moves up and down, and then drives spray gun to be vertically moved by straight connecting rod 13, and slide unit 12 can be any in effective travel
Point stops, and the optimal reaction temperature point for making shower nozzle be moved in body of heater carries out the injection of denitrfying agent.
The specific injection method of denitrfying agent is：Denitrfying agent is accessed by denitrfying agent entrance 16, is entered by hose connector 14
In spray gun, enter shower nozzle 2 from top to bottom along gun shot 1, and then sprayed from multiple horizontal nozzles 3 of the side of shower nozzle 2, it is ensured that
Coverage rate of the denitrfying agent in optimal warm area.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of denitration spray gun, it is characterised in that described spray gun is vertically mounted on furnace interior, from described body of heater top
Centre is inserted perpendicularly into described furnace interior；Described spray gun includes gun shot, shower nozzle and horizontal nozzles, and described gun shot is
Hollow structure, stitched and be connected by nipple by some section quarter butts, lower end extend into furnace interior injection denitrfying agent, upper end connection
Drive mechanism；Described shower nozzle is arranged on described gun shot lower end, is provided with some horizontal nozzles above；Described shower nozzle lower end
Face is also equipped with temperature sensor, and described temperature sensor is connected with temperature sensor electrical lead wire, described TEMP
Device electrical lead wire is laid in described gun shot hollow structure；Described temperature sensor is by the temperature value at described shower nozzle
Control device is fed back to, described control device is by the way that the temperature value at described shower nozzle and setting optimum temperature are contrasted, control
The upright position of the described spray gun of the described drive mechanism regulation of system.
2. according to the denitration spray gun described in claim 1, it is characterised in that described drive mechanism includes supporting under screw mandrel
Seat, screw mandrel, screw mandrel upper support seat, servomotor, slide unit and straight connecting rod；Described screw mandrel by described screw mandrel upper support seat and
Support base is arranged on above body of heater under described screw mandrel, and described servomotor is provided with described screw mandrel upper support seat, and
And described servomotor is connected with described screw mandrel, described screw mandrel can be driven to rotate；It is provided with outside described screw mandrel
External screw thread, it is connected by external screw thread with female described slide unit, by rotating described slide unit can be driven vertically to move
It is dynamic；Described slide unit is fixedly connected by described straight connecting rod with described spray gun upper end, drives described spray gun to be hung down
Translation is moved.
3. according to the denitration spray gun described in claim 1, it is characterised in that the outside of described temperature sensor is cased with temperature
Sensor protective sleeve.
4. according to the denitration spray gun described in claim 2, it is characterised in that described drive mechanism casing is provided with and electrically connect
Mouth, denitrfying agent entrance and louvered shutter；Described electric interfaces are connected by electric wire with described servomotor, described
Denitrfying agent entrance is connected to described gun shot upper end by hose connector.
5. according to the denitration spray gun described in claim 1, it is characterised in that the side of described shower nozzle is evenly distributed with even number
Individual described horizontal nozzles, and described horizontal nozzles positional symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621242476.7U CN206631811U (en) | 2016-11-21 | 2016-11-21 | A kind of denitration spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621242476.7U CN206631811U (en) | 2016-11-21 | 2016-11-21 | A kind of denitration spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206631811U true CN206631811U (en) | 2017-11-14 |
Family
ID=60261482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621242476.7U Active CN206631811U (en) | 2016-11-21 | 2016-11-21 | A kind of denitration spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206631811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577322A (en) * | 2020-12-11 | 2021-03-30 | 交城义望铁合金有限责任公司 | A reinforced agitating unit for water-cooling bell |
-
2016
- 2016-11-21 CN CN201621242476.7U patent/CN206631811U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577322A (en) * | 2020-12-11 | 2021-03-30 | 交城义望铁合金有限责任公司 | A reinforced agitating unit for water-cooling bell |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401, room 333, 215500 southeast Avenue, Changshu hi tech Industrial Development Zone, Suzhou, Jiangsu, China Patentee after: Jiangsu kaihong energy conservation and Environmental Protection Technology Co., Ltd Address before: 401, room 333, 215500 southeast Avenue, Changshu hi tech Industrial Development Zone, Suzhou, Jiangsu, China Patentee before: CHANGSHU KAIHONG ENERGY-SAVING AND ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |