CN212855251U

CN212855251U - Denitration urea adds device

Info

Publication number: CN212855251U
Application number: CN202021119708.6U
Authority: CN
Inventors: 王曼曼
Original assignee: Wuxi Zhongqiang Electrical Carbon Co ltd
Current assignee: Wuxi Zhongqiang Electrical Carbon Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-04-02
Anticipated expiration: 2030-06-17

Abstract

The utility model provides a denitration urea adds device, including dosing tank and dissolution case, the dosing tank sets up the top at the dissolution case, the dosing tank includes box, filter mechanism and conveying mechanism, the box is the cavity structure, box top and bottom are provided with dosing mouth and play medicine mouth respectively, conveying mechanism fixed mounting is on the bottom half inner wall, conveying mechanism includes screw conveyer, filter mechanism fixed mounting is in conveying mechanism's top, filter mechanism includes the filter layer, the filter layer includes frame and filter screen, the dissolution case includes water tank, display device and control box, through above-mentioned technical scheme, has realized the automatic control to the dosing process of desulfurization waste water, has simplified the dosing process simultaneously, has not only improved production efficiency, has reduced the incidence of equipment trouble, improves denitration efficiency, The control precision is improved, and the stability is improved.

Description

Denitration urea adds device

Technical Field

The utility model relates to a denitration technology field, in particular to denitration urea adds device.

Background

SO2 and NOx in coal combustion flue gas are the major sources of atmospheric pollutants. The nation sets forth definite emission limit requirements for flue gas denitration during the 'twelve five' period. Therefore, the simultaneous desulfurization and denitrification of flue gas is a development trend of air pollution control in the future, and flue gas denitrification technologies are divided into Selective Catalytic Reduction (SCR) denitrification, selective non-catalytic reduction (SNCR) denitrification, synchronous desulfurization and denitrification and the like. The selective non-catalytic reduction technology is characterized in that ammonia is sprayed into a region with the furnace temperature of 1000-1150 ℃, the ammonia directly reacts with O2 and NOX in the region to generate N2 and H2O, and the NOX removal rate can reach 30-50%. In view of the fact that the SNCR needs to be modified for a boiler and the denitration rate is not high, the SNCR has a gap from industrial application. The synchronous desulfurization and denitrification technology can be carried out at low temperature, the initial investment and operation cost is low, and the denitrification rate is high. Therefore, the integrated desulfurization and denitrification technology has become a hot spot of research in recent years.

The existing desulfurization wastewater dosing system has the problems of high operation failure rate, time-consuming dosing, high labor cost and the like. An automatic dosing system for a sewage treatment production line is also provided at present, the technology of controlling the dosing amount of a medicament by utilizing a PLC (programmable logic controller) according to the sewage flow detected by a water inlet flow meter is utilized, but the system is used for dosing a liquid medicament, and the dosing process is complicated.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a denitration urea adds device to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a denitration urea adding device, which comprises a dosing tank and a dissolving tank, wherein the dosing tank is arranged above the dissolving tank, the dosing box comprises a box body, a filtering mechanism and a conveying mechanism, the box body is of a cavity structure, the top and the bottom of the box body are respectively provided with a dosing port and a medicine outlet, the conveying mechanism is fixedly arranged on the inner wall of the bottom of the box body and comprises a spiral conveyor, the filtering mechanism is fixedly arranged above the conveying mechanism and comprises a filtering layer, the filter layer comprises a frame and a filter screen, the filter screen is fixedly arranged on the frame, slide rails are arranged on two sides of the frame, the frame passes through slide rail sliding connection in the box, dissolve the case and include water tank, display device and control box fixed mounting are on the outer wall of water tank.

As the utility model discloses an optimal technical scheme, conveying mechanism is screw conveyer, screw conveyer includes driving motor, connecting axle and auger delivery axle, driving motor's pivot and the one end fixed connection of connecting axle, the other end and the auger delivery axle fixed connection of connecting axle.

As the utility model discloses an optimized technical scheme, frame and screen cloth all are the metal material, and the screen cloth is the network structure that the wire was worked out and is formed, be provided with the handle on the frame, the handle surface scribbles anti-skidding material.

As the utility model discloses an optimized technical scheme, the top of water tank is provided with the feed inlet that corresponds with the play medicine mouth of dosing tank, the bottom of water tank is provided with out the liquid hole, still be provided with the level gauge on the outer wall of water tank, the level gauge is the clear glass material, and is provided with the scale.

As the utility model discloses a preferred technical scheme, display device includes the liquid crystal display unit, the liquid crystal display unit includes main interface, parameter setting interface, address setting interface, real time monitoring curve interface and warning display interface.

As the utility model discloses a preferred technical scheme, the control box includes power switch, control button and control module, control module includes receiving module, data acquisition module, data processing module, calculation module, storage module, controller and time management module, the controller is programmable logic controller.

As the utility model discloses a preferred technical scheme, through electric connection between driving motor, liquid crystal display unit, switch, control button and the control module to be connected with external power supply.

The utility model discloses the beneficial effect who reaches is:

through the technical scheme, the automatic control of the dosing process of the desulfurization wastewater is realized, the dosing process is simplified, the production efficiency is improved, the occurrence rate of equipment faults is reduced, the denitration efficiency is improved, the control precision is improved, and the stability is increased.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a filtering mechanism of the present invention;

fig. 3 is a schematic structural diagram of the conveying mechanism of the present invention.

In the figure: 1. a box body; 2. a filtering mechanism; 3. a conveying mechanism; 4. a medicine adding port; 5. a screw conveyor; 6. a filter layer; 7. a frame; 8. filtering with a screen; 9. a slide rail; 10. a water tank; 11. a display device; 12. a control box; 13. a drive motor; 14. a connecting shaft; 15. A screw conveying shaft; 16. a handle; 17. a liquid level meter; 18. a liquid crystal display unit; 19. A power switch; 20. and a control button.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model provides a denitration urea adding device, which comprises a dosing tank and a dissolving tank, and is characterized in that the dosing tank is arranged above the dissolving tank, the dosing tank comprises a tank body 1, a filtering mechanism 2 and a conveying mechanism 3, the tank body 1 is of a cavity structure, the top and the bottom of the tank body 1 are respectively provided with a dosing port 4 and a drug outlet, the conveying mechanism 3 is fixedly arranged on the inner wall of the bottom of the tank body 1, the conveying mechanism 3 comprises a screw conveyor 5, the filtering mechanism 2 is fixedly arranged above the conveying mechanism 3, the filtering mechanism 2 comprises a filtering layer 6, the filtering layer 6 comprises a frame 7 and a filtering net 8, the filtering net 8 is fixedly arranged on the frame 7, two sides of the frame 7 are provided with slide rails 9, the frame 7 is slidably connected in the tank body 1 through the slide rails 9, the dissolving tank comprises a water tank 10, a display device 11 and a control box 12, wherein the display device 11 and the control box 12 are fixedly arranged on the outer wall of the water tank 10.

The conveying mechanism 3 is a screw conveyor, the screw conveyor comprises a driving motor 13, a connecting shaft 14 and a screw conveying shaft 15, a rotating shaft of the driving motor 13 is fixedly connected with one end of the connecting shaft 14, and the other end of the connecting shaft 14 is fixedly connected with the screw conveying shaft 15. Frame 7 and filter screen 8 all are the metal material, and filter screen 8 is the network structure that the wire was worked out and is formed, be provided with handle 16 on the frame 7, handle 16 surface scribbles anti-skidding material. The top of water tank 10 is provided with the feed inlet that corresponds with the play medicine mouth of dosing tank, the bottom of water tank 10 is provided with out the liquid hole, still be provided with level gauge 17 on the outer wall of water tank 10, level gauge 17 is the transparent glass material, and is provided with the scale. The display device 11 comprises a liquid crystal display unit 18, and the liquid crystal display unit 18 comprises a main interface, a parameter setting interface, an address setting interface, a real-time monitoring curve interface and an alarm display interface. The control box 12 comprises a power switch 19, a control button 20 and a control module, wherein the control module comprises a receiving module, a data acquisition module, a data processing module, a calculation module, a storage module, a controller and a time management module, and the controller is a programmable logic controller. The driving motor 13, the liquid crystal display unit 18, the power switch 19, the control button 20 and the control module are electrically connected and are connected with an external power supply.

The specific working principle is as follows: the device during operation, at first add the medicine mouth 4 at box 1 top with the medicament and add in box 1, filter the medicament through filter screen 8 of sliding connection fixed mounting on frame 7 on filter layer 6 in box 1 after that, then drive screw conveyer 5's driving motor 13 through connecting axle 14 drives screw conveyor axle 15 and sends the medicament into water tank 10 in conveying mechanism 3, the automatic accurate control of the medicine process is realized to display device 11 and control box 12 on water tank 10 outer wall through fixed mounting to the rethread.

The utility model discloses the beneficial effect who reaches is: through the technical scheme, the automatic control of the dosing process of the desulfurization wastewater is realized, the dosing process is simplified, the production efficiency is improved, the occurrence rate of equipment faults is reduced, the denitration efficiency is improved, the control precision is improved, and the stability is increased.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The denitration urea adding device comprises a dosing tank and a dissolving tank, and is characterized in that the dosing tank is arranged above the dissolving tank and comprises a tank body (1), a filtering mechanism (2) and a conveying mechanism (3), the tank body (1) is of a cavity structure, a dosing port (4) and a dosing outlet are respectively arranged at the top and the bottom of the tank body (1), the conveying mechanism (3) is fixedly arranged on the inner wall of the bottom of the tank body (1), the conveying mechanism (3) comprises a spiral conveyor (5), the filtering mechanism (2) is fixedly arranged above the conveying mechanism (3), the filtering mechanism (2) comprises a filtering layer (6), the filtering layer (6) comprises a frame (7) and a filtering net (8), the filtering net (8) is fixedly arranged on the frame (7), sliding rails (9) are arranged on two sides of the frame (7), frame (7) pass through slide rail (9) sliding connection in box (1), dissolve the case and include water tank (10), display device (11) and control box (12) fixed mounting are on the outer wall of water tank (10).

2. The denitration urea adding device according to claim 1, wherein the conveying mechanism (3) is a screw conveyor, the screw conveyor comprises a driving motor (13), a connecting shaft (14) and a screw conveying shaft (15), a rotating shaft of the driving motor (13) is fixedly connected with one end of the connecting shaft (14), and the other end of the connecting shaft (14) is fixedly connected with the screw conveying shaft (15).

3. The denitration urea adding device of claim 1, wherein the frame (7) and the filter screen (8) are both made of metal, the filter screen (8) is a mesh structure woven by metal wires, a handle (16) is arranged on the frame (7), and the surface of the handle (16) is coated with an anti-slip material.

4. The denitration urea adding device according to claim 1, wherein a feed inlet corresponding to a chemical outlet of the dosing tank is formed in the top of the water tank (10), a liquid outlet hole is formed in the bottom of the water tank (10), a liquid level meter (17) is further arranged on the outer wall of the water tank (10), and the liquid level meter (17) is made of transparent glass and provided with scales.

5. The denitration urea adding device according to claim 1, wherein the display device (11) comprises a liquid crystal display unit (18), and the liquid crystal display unit (18) comprises a main interface, a parameter setting interface, an address setting interface, a real-time monitoring curve interface and an alarm display interface.

6. The denitration urea adding device according to claim 1, wherein the control box (12) comprises a power switch (19), a control button (20) and a control module, the control module comprises a receiving module, a data acquisition module, a data processing module, a calculation module, a storage module, a controller and a time management module, and the controller is a programmable logic controller.

7. The denitration urea adding device of claim 2, wherein the driving motor (13), the liquid crystal display unit (18), the power switch (19), the control button (20) and the control module are electrically connected and are connected with an external power supply.