CN208865814U - A kind of Plate-type denitration catalyst spray drying unit - Google Patents
A kind of Plate-type denitration catalyst spray drying unit Download PDFInfo
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- CN208865814U CN208865814U CN201820904066.7U CN201820904066U CN208865814U CN 208865814 U CN208865814 U CN 208865814U CN 201820904066 U CN201820904066 U CN 201820904066U CN 208865814 U CN208865814 U CN 208865814U
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- drying unit
- liquid
- plate
- screw conveyer
- recovery tank
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a kind of Plate-type denitration catalyst spray drying unit, including spray equipment, screw conveyer band, liquid recovery tank and drying unit, the spray equipment is located above the screw conveyer band, the spray equipment includes fan nozzle and the liquid storage device of catalyst is connect and stored with fan nozzle, and the tap hole of the liquid storage device is equipped with the pressure-regulating valve for adjusting spray pressure；The spray equipment is axis in being oppositely arranged using the screw conveyer band with the liquid recovery tank, and the liquid recovery tank upper end is inclined-plane and is connected with screw conveyer band bottom that the drying unit is located at tail portion of the screw conveyer with direction of transfer.The spray that the utility model can carry out active component to molded flat catalyst is supplemented and is dried, it provides convenience for catalyst make-up active component, and able person is the additive amount for controlling active component, operation is simple, the active component of liquid recovery tank recycling may be reused, and reduce cost.
Description
Technical field
The utility model belongs to new product development field, and in particular to a kind of Plate-type denitration catalyst spray drying dress
It sets.
Background technique
The country's common vanadium tungsten (molybdenum) titanium catalyst of coal fired power plant is middling temperature DeNOx catalyst at present, the catalyst
Active temperature section is generally 320-420 DEG C.But a large amount of Industrial Boiler, such as coking, steel, cement, glass row at present
The smoke temperature that industry uses is lower, therefore conventional vanadium tungsten (molybdenum) titanium middle temperature catalyst is not able to satisfy requirement, needs to urge medium temperature
Agent carries out active component addition and is modified, and makes it have low temperature active.Wherein, MnOx low temperature active with higher is
The emphasis researched and developed at present.But the more difficult molding of MnOx catalyst, research find first form vanadium tungsten (molybdenum) titanium middle temperature catalyst
Mn active component addition is carried out again, and the addition manner of Mn element activity component has dipping, spray etc. at present, however infusion process is easily led
The decline of catalytic mechanical intensity is caused, and takes the mode of spray, not only can guarantee the addition of active component, moreover it is possible to guarantee mechanical strong
Degree does not decline.Active component is added using spray mode, " spray pressure " is for the roughness at dry film edge and the size of dry film
It plays a crucial role；Residual catalyst active component fails recycling re-using after spraying simultaneously, causes largely to waste,
Improve production cost.
Chinese No. 201520639746.7 patents disclose a kind of plate-type denitration catalyst spray equipment, including nozzle, pressure
Power tank, compressed air pump, drawing liquid pump, NaOH solution tank NaOH, roller, velocity sensor, industrial computer and roller motor, the nozzle exist
The surface of catalyst steel mesh, the pressurized tank are placed in parallel with roller, and the NaOH solution tank NaOH is placed on the parallel plane of pressurized tank
On, the velocity sensor below catalyst steel mesh, the nozzle, compressed air pump and drawing liquid pump pass through respectively conduit with
The end of conduit of pressurized tank connection, the connection drawing liquid pump is placed into inside NaOH solution tank NaOH, the nozzle, compressed air pump and roller
Motor is connected with industrial computer.The velocity sensor is the rotary velocity sensor of contact.Utility model spraying
Rear catalyst active component fails recycling and re-uses, and causes largely to waste.
Summary of the invention
The purpose of this utility model is in view of the problems of the existing technology, to provide a kind of Plate-type denitration catalyst spray
Drying unit is drenched, the addition of active component can be carried out on the basis of not reducing flat catalytic mechanical intensity.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of Plate-type denitration catalyst sprays drying unit, including spray equipment, screw conveyer band, liquid recovery tank and
Drying unit, the spray equipment are located above the screw conveyer band, the spray equipment include fan nozzle and with sector
Nozzle connects and stores the liquid storage device of catalyst, and the tap hole of the liquid storage device is equipped with the pressure tune for adjusting spray pressure
Save valve；Each inside screw cavity of the screw conveyer band is equipped with heating device；The spray equipment and the liquid return
It is axis in being oppositely arranged that case, which is received, using the screw conveyer band, the liquid recovery tank upper end for inclined-plane and with the screw conveyer band
Bottom is connected, and the drying unit is located at tail portion of the screw conveyer with direction of transfer.
When utility model works, suitable spray pressure is adjusted by spray equipment pressure-regulating valve, opens fan-shaped spray
Mouth sprays catalyst veneer, and fan nozzle spray face is big and is not easy to plug, uniform spraying can be improved and reduces maintenance
Rate；It is then turned on screw conveyer band, by the way that heating device, catalyst veneer energy in transmit process is arranged in inside screw cavity
It is preheated drying, the dry heat time can be shortened, while also can be reduced in energy transfer process by way of interior heating
Energy loss improves heat drying efficiency；Then catalyst veneer feeding drying unit is further dried；Catalyst veneer dries
It can be again placed under spray equipment and be sprayed after dry, until reaching required active component additive amount, in screw conveyer
Liquid recovery tank is arranged in band lower section and spray equipment relative position, can be used for recycling extra spray liquid, the spray liquid of recycling
It may be reused, reduce cost.
Preferably, the pressure regulation spectrum of the pressure-regulating valve is 0.1~0.6MPa；It is suitable to select as needed
Spray pressure avoids the catalyst activity component of spray from falling off, and improves spray efficiency.
Preferably, the heating device is coil, and the coil drives screw rod to heat, passes through electromagnetism sense by electromagnetic induction
Answer heating temperature variation mild, controllable degree is higher.
Preferably, the length and width size of the screw conveyer band and the liquid recovery tank is all larger than the ruler of catalyst veneer
It is very little, it is ensured that catalyst veneer surface all sprays active component, while avoidable catalyst spray liquid is trickled down and caused damages.
Preferably, the liquid recovery tank is in funnel structure, and funnel upper end can play drainage to the spray liquid of recycling,
Liquid splash is avoided to cause damages.
Preferably, the liquid recovery tank lower end is provided with liquid outlet, facilitates the spray liquid released and recycled.
Preferably, the liquid recovery tank liquid outlet is equipped with valve.
Preferably, the speed of service of the screw conveyer band is adjustable within the scope of 0.5m/min~5m/min, according to spray
The speed of service of speed adjustment screw conveyer belt guarantees spraying effect.
Preferably, the drying unit temperature is adjustable within the scope of 30 DEG C~200 DEG C, in time adjust drying temperature with
Reach required drying effect.
Compared with prior art, the utility model has the beneficial effects that being able to carry out catalyst veneer by spray equipment
Active component addition, and the additive amount of active component can be artificially controlled according to actual needs；It can basis by pressure-regulating valve
Spray demand adjusts suitable spray pressure, makes good film-forming property after spray；By the way that heating device is arranged in inside screw, can make to urge
Agent veneer is preheated in transmit process, shortens heating time；The active component spray liquid recycled by liquid recovery tank
It may be reused, to reduce cost, and the apparatus structure is simple and convenient to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of Plate-type denitration catalyst sprays drying unit；
Fig. 2 is the structural schematic diagram of 2 liquid recovery tank of the utility model embodiment；
In figure: 1, fan nozzle；2, catalyst veneer；3, screw conveyer band；4, liquid recovery tank；401, liquid outlet；
402, valve；5, drying unit；6, liquid storage device；7, pressure-regulating valve.
Specific embodiment
Clear, complete description is carried out below with reference to technical solution of the attached drawing to various embodiments of the utility model, it is clear that
Described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.It is practical new based on this
The embodiment of type, those of ordinary skill in the art's obtained all other implementation without making creative work
Example, belongs to the range that the utility model is protected.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, a kind of Plate-type denitration catalyst sprays drying unit 5, including spray equipment, screw conveyer band 3,
Liquid recovery tank 4 and drying unit 5, the spray equipment are located at 3 top of screw conveyer band, and the spray equipment includes fan
The tap hole of shape nozzle 1 and the liquid storage device 6 that catalyst is connect and stored with fan nozzle 1, the liquid storage device 6 is equipped with for adjusting
Save the pressure-regulating valve 7 of spray pressure；Each inside screw cavity of the screw conveyer band 3 is equipped with coil heating apparatus,
The coil drives screw rod heating by electromagnetic induction；The spray equipment and the liquid recovery tank 4 are with the screw conveyer
Band 3 is axis in being oppositely arranged, and 4 upper end of liquid recovery tank is inclined-plane and is connected with 3 bottom of screw conveyer band, the baking
Equipment for drying 5 is located at the tail portion of 3 direction of transfer of screw conveyer band.
Specifically, catalyst veneer 2 is placed on screw conveyer band 3, and a length of 450~700mm of catalyst veneer 2, width
For 450~500mm, the length and width size of screw conveyer band 3 and liquid recovery tank 4 is all larger than the size of catalyst veneer 2.
Specifically, the pressure of the pressure-regulating valve 7 is adjustable within the scope of 0.1~0.6MPa；The operation of screw rod transmission band
Speed is adjustable in 0.5m/min~5m/min；Liquid recovery tank 4 is funnel structure, and material is 304 stainless steels, and funnel upper end is long
Degree is 1.5 meters, and lower end length is 1 meter, and width is 0.5 meter, and total height is 1 meter, and 4 lower end of liquid recovery tank is provided with out liquid
Mouth 401, liquid outlet 401 is additionally provided with valve 402, for releasing the spray liquid of recycling.
When the device works, first prepares manganese acetate saturated solution and be added in the liquid storage device 6 of spray equipment, liquid storage device 6 passes through
Delivery pipe is connect with fan nozzle 1, and spray pressure is set as 0.1MPa by pressure-regulating valve 7, is then turned on fan nozzle
1, catalyst veneer 2 is sprayed, opens screw conveyer band 3 after spraying 1min, electromagnetic induction drives inside screw coil pair
Catalyst veneer 2 carries out pre-add heated drying, and catalyst veneer 2 is sent into drying unit 5, and the drying unit 5 is baking oven, if
Setting oven temperature is 80 DEG C, and catalyst veneer 2 can continue to be placed in after drying in oven progress reverse side spray under spray equipment,
Until reaching required active component additive amount.
Embodiment 2
As shown in Fig. 2, the present embodiment provides a kind of Plate-type denitration catalysts to spray drying unit 5, with 1 phase of embodiment
Than, the difference is that, 4 upper end of liquid recovery tank is inclined-plane and is connected with 3 bottom of screw conveyer band, the liquid
4 lower end of recycling bins, which is equipped with 402,2 liquid outlets 401 of valve equipped with 2 liquid outlets, 401,2 liquid outlets 401, can play shunting
Effect is opened or closed by valve 402, it can be achieved that 2 liquid outlets 401 while releasing the spray liquid of recycling, and tapping rate is more
Fastly；The spray liquid that one of valve 402 releases recycling can also be opened while connecing liquid, and the spray liquid of recycling is timely added
Enter and re-used in the liquid storage device 6 of spray equipment, saves cost.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (9)
1. a kind of Plate-type denitration catalyst sprays drying unit, which is characterized in that including spray equipment, screw conveyer band (3),
Liquid recovery tank (4) and drying unit (5), the spray equipment are located above the screw conveyer band (3), the spray equipment
It is connect including fan nozzle (1) and with fan nozzle (1) and stores the liquid storage device (6) of catalyst, liquid storage device (6) are put
Liquid mouth is equipped with the pressure-regulating valve (7) for adjusting spray pressure；Each inside screw cavity of the screw conveyer band (3) is equal
Equipped with heating device；It is in opposite set that the spray equipment, which is axis with the screw conveyer band (3) with the liquid recovery tank (4),
It sets, liquid recovery tank (4) upper end is inclined-plane and is connected with screw conveyer band (3) bottom, drying unit (5) position
In the tail portion of screw conveyer band (3) direction of transfer.
2. a kind of Plate-type denitration catalyst according to claim 1 sprays drying unit, which is characterized in that the pressure
The pressure regulation spectrum of regulating valve (7) is 0.1~0.6MPa.
3. a kind of Plate-type denitration catalyst according to claim 1 sprays drying unit, which is characterized in that the heating
Device is coil, and the coil drives screw rod to heat by electromagnetic induction.
4. a kind of Plate-type denitration catalyst according to claim 1 sprays drying unit, which is characterized in that the screw rod
The length and width size of conveyer belt (3) and the liquid recovery tank (4) is all larger than the size of catalyst veneer (2).
5. a kind of Plate-type denitration catalyst according to claim 1 sprays drying unit, which is characterized in that the liquid
Recycling bins (4) are in funnel structure.
6. a kind of Plate-type denitration catalyst sprays drying unit according to claim 1 or 5, which is characterized in that described
Liquid recovery tank (4) lower end is provided with liquid outlet (401).
7. a kind of Plate-type denitration catalyst according to claim 6 sprays drying unit, which is characterized in that the liquid
Recycling bins (4) liquid outlet (401) is equipped with valve (402).
8. a kind of Plate-type denitration catalyst according to claim 1 sprays drying unit, which is characterized in that the screw rod
The speed of service of conveyer belt (3) is adjustable within the scope of 0.5m/min~5m/min.
9. a kind of Plate-type denitration catalyst according to claim 1 sprays drying unit, which is characterized in that the drying
Device (5) temperature is adjustable within the scope of 30 DEG C~200 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820904066.7U CN208865814U (en) | 2018-06-11 | 2018-06-11 | A kind of Plate-type denitration catalyst spray drying unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820904066.7U CN208865814U (en) | 2018-06-11 | 2018-06-11 | A kind of Plate-type denitration catalyst spray drying unit |
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| Publication Number | Publication Date |
|---|---|
| CN208865814U true CN208865814U (en) | 2019-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820904066.7U Active CN208865814U (en) | 2018-06-11 | 2018-06-11 | A kind of Plate-type denitration catalyst spray drying unit |
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| CN (1) | CN208865814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256461A (en) * | 2020-02-10 | 2020-06-09 | 北京华电光大环境股份有限公司 | Automatic infrared drying furnace of disconnect-type and drying system |
-
2018
- 2018-06-11 CN CN201820904066.7U patent/CN208865814U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256461A (en) * | 2020-02-10 | 2020-06-09 | 北京华电光大环境股份有限公司 | Automatic infrared drying furnace of disconnect-type and drying system |
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