CN213965570U

CN213965570U - Flue gas desulfurization and denitrification integrated tower

Info

Publication number: CN213965570U
Application number: CN202021713793.9U
Authority: CN
Inventors: 邱乐平
Original assignee: Shangrao Fuwang Environmental Protection Technology Co ltd
Current assignee: Shangrao Fuwang Environmental Protection Technology Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-08-17
Anticipated expiration: 2030-08-17

Abstract

The utility model belongs to flue gas desulfurization denitration field specifically is a flue gas desulfurization denitration integration tower, including the gas wash tower, the bottom fixed mounting of gas wash tower has the supporting leg, and the fixed dust exhaust mouth that has cup jointed in bottom of gas wash tower, the fixed flue gas entry that has cup jointed in one side of gas wash tower bottom, the fixed light weight flue gas pipe that has cup jointed of opposite side of gas wash tower, the fixed SOx/NOx control tower that has cup jointed of the other end of light weight flue gas pipe. Set up a primary filter screen through the inside at the gas wash tower to utilize primary filter screen to carry out primary filter to the flue gas, fall the impact velocity of flue gas, thereby make the impact force that receives on the sack dust collector reduce, make sack dust collector's filter effect better, and adopt sack dust collector to filter, make the dust in the flue gas filtered, thereby make the convenience more of operations such as subsequent cooling, handle the flue gas lightweight simultaneously, also make subsequent efficiency higher.

Description

Flue gas desulfurization and denitrification integrated tower

Technical Field

The utility model relates to a flue gas desulfurization denitration field especially relates to a flue gas desulfurization denitration integration tower.

Background

The flue gas contains a large amount of sulfide and nitride, so the flue gas is directly discharged into the environment, serious pollution is caused to the environment, and along with the environmental protection, people pay attention to the treatment of the flue gas, and the flue gas is prevented from being discharged into the environment without being treated.

When the existing desulfurization and denitrification tower is operated, the step of removing dust is not available, so that a large amount of dust contained in flue gas enters the tower together, the desulfurization and denitrification are more difficult, the temperature is hardly reduced due to the large dust content, the desulfurization and denitrification effect is poor, the desulfurization and denitrification effect is expected to be improved, the energy consumption is increased, the cost is greatly increased, and the practicability is poor.

In order to solve the problem, the application provides a flue gas desulfurization denitration integration tower.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a flue gas desulfurization denitration integration tower has and removes dust in advance, lightweight flue gas, recycles, practices thrift the characteristics of cost.

(II) technical scheme

In order to solve the technical problems, the utility model provides a flue gas desulfurization and denitrification integrated tower, which comprises a dedusting tower, wherein the bottom of the dedusting tower is fixedly provided with a supporting leg, the bottom of the dedusting tower is fixedly sleeved with a dust exhaust port, one side of the bottom of the dedusting tower is fixedly sleeved with a flue gas inlet, the other side of the dedusting tower is fixedly sleeved with a light weight flue gas pipe, the other end of the light weight flue gas pipe is fixedly sleeved with a desulfurization and denitrification tower, the middle part of the inner cavity of the dedusting tower is fixedly provided with a primary filter screen, the top of the inner cavity of the dedusting tower is fixedly provided with a cloth bag dust removal device, the bottom of the inner cavity of the desulfurization and denitrification tower is fixedly provided with a lower filter screen, the middle part of the bottom of the desulfurization and denitrification tower is fixedly sleeved with a sewage discharge port, one side of the desulfurization and denitrification tower, and the top of the inner cavity of the desulfurization and denitrification tower is fixedly provided with an activated carbon adsorption layer and a quartz filter layer.

Preferably, the number of primary filter screen is two, and primary filter screen's shape is the V-arrangement, two primary filter screen symmetry is installed on the opposite lateral wall in gas wash tower inner chamber.

Preferably, the top of the dedusting tower is fixedly sleeved with a backflushing air pipe, the top end of the backflushing air pipe penetrates through the top of the dedusting tower and is fixedly sleeved with an air blower, and the wind direction of the backflushing air pipe is fixed from the air blower to the backflushing air pipe.

Preferably, a return pipe is fixedly sleeved on one side of the air blower, a gas purification pipe is fixedly sleeved on the other end of the return pipe, and the bottom end of the gas purification pipe is fixedly sleeved on the top of the desulfurization and denitrification tower.

Preferably, the light-weight flue gas pipe is fixedly sleeved with a one-way valve, and two ends of the light-weight flue gas pipe are respectively fixedly sleeved at the top of the dust removal tower and the bottom of the desulfurization and denitrification tower.

Preferably, the top end of the drain outlet penetrates through the bottom of the desulfurization and denitrification tower and is fixedly sleeved in the middle of the lower filter screen, and the lower filter screen is disc-shaped and sunken downwards.

Preferably, the bottom of the spray pipe is fixedly sleeved with a spray head, and two ends of the spray pipe are respectively and fixedly sleeved on the side wall of the inner cavity of the desulfurization and denitrification tower.

The above technical scheme of the utility model has following profitable technological effect: set up a primary filter screen through the inside at the gas wash tower to utilize primary filter screen to carry out primary filter to the flue gas, fall the impact velocity of flue gas, thereby make the impact force that receives on the sack dust collector reduce, make sack dust collector's filter effect better, and adopt sack dust collector to filter, make the dust in the flue gas filtered, thereby make the convenience more of operations such as subsequent cooling, handle the flue gas lightweight simultaneously, also make subsequent efficiency higher.

Simultaneously the filter screen under the bottom setting of SOx/NOx control tower to the middle part and the drain that will descend the filter screen are connected, thereby can filter the impurity in the solution through lower filter screen, and utilize the drain to discharge, fix the fixed bottom of cup jointing in SOx/NOx control tower with one side of circulating pump simultaneously, thereby the solution after the filter screen filters is retrieved down, and spray through the shower head once more, improved the circulation ability of device, and practice thrift a large amount of costs.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the check valve structure of the present invention;

FIG. 3 is a schematic view of the primary filtration structure of the present invention;

fig. 4 is a schematic view of the spray pipe structure of the present invention.

Reference numerals:

1. a dedusting tower; 2. supporting legs; 3. a dust exhaust port; 4. a flue gas inlet; 5. a primary filter screen; 6. a bag type dust collector; 7. back flushing the air pipe; 8. a blower; 9. a return pipe; 10. purifying the gas pipe; 11. a desulfurization and denitrification tower; 12. a lightweight flue gas pipe; 13. a one-way valve; 14. a lower filter screen; 15. a sewage draining outlet; 16. a circulation pump; 17. a circulation pipe; 18. a shower pipe; 19. a shower head; 20. an activated carbon adsorption layer; 21. a quartz filter layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, a flue gas desulfurization and denitration integrated tower is provided, which comprises a dedusting tower 1, wherein the bottom of the dedusting tower 1 is fixedly provided with supporting legs 2, the bottom of the dedusting tower 1 is fixedly sleeved with a dust exhaust port 3, one side of the bottom of the dedusting tower 1 is fixedly sleeved with a flue gas inlet 4, the other side of the dedusting tower 1 is fixedly sleeved with a light-weight flue gas pipe 12, the other end of the light-weight flue gas pipe 12 is fixedly sleeved with a desulfurization and denitration tower 11, the middle part of the inner cavity of the dedusting tower 1 is fixedly provided with a primary filter screen 5, the top of the inner cavity of the dedusting tower 1 is fixedly provided with a cloth bag dust removal device 6, the bottom of the inner cavity of the desulfurization and denitration tower 11 is fixedly provided with a lower filter screen 14, the middle part of the bottom of the desulfurization and denitration tower 11 is fixedly sleeved with a sewage discharge port 15, one side of the desulfurization and denitration tower 11 is fixedly sleeved with a circulating pump 16, the top of the circulating pump 16 is fixedly sleeved with a circulating pipe 17, and the top of the circulating pipe 17 is fixedly sleeved with a spraying pipe 18, the top of the inner cavity of the desulfurization and denitrification tower 11 is fixedly provided with an activated carbon adsorption layer 20 and a quartz filter layer 21.

Fig. 1 is the utility model discloses a schematic structure diagram, the quantity of primary filter screen 5 is two, and primary filter screen 5's shape is the V-arrangement, and two primary filter screen 5 symmetries are installed on the opposite lateral wall in 1 inner chamber of gas wash tower, install on the opposite lateral wall in 1 inner chamber of gas wash tower through setting up two primary filter screen 5 for the symmetry is installed between two primary filter screen 5, thereby utilizes primary filter screen 5 to carry out primary filter, has improved the security of device.

In this embodiment, the fixed recoil tuber pipe 7 that has cup jointed in top of gas wash tower 1, the top of recoil tuber pipe 7 runs through the top of gas wash tower 1 and fixed air-blower 8 that has cup jointed, the wind-force direction of recoil tuber pipe 7 is fixed to be by air-blower 8 to recoil tuber pipe 7, set up recoil tuber pipe 7 through the top at gas wash tower 1, and run through gas wash tower 1 with the top of recoil tuber pipe 7 and link to each other with air-blower 8, make and to utilize air-blower 8 to produce wind-force, and wind-force enters into recoil tuber pipe 7, blow on sack dust collector 6 again, make sack dust collector 6 take place the vibration, shake off the adsorbed dust on it, the filter effect of device has been improved.

It should be noted that, the return pipe 9 has been cup jointed to one side of air-blower 8 is fixed, the fixed cover of the other end of return pipe 9 has been cup jointed with gas purification pipe 10, the fixed cover of bottom of gas purification pipe 10 is at the top of SOx/NOx control tower 11, through set up the return pipe 9 in one side of air-blower 8, and connect the other end of return pipe 9 on gas purification pipe 10, and the bottom of gas purification pipe 10 sets up the top at SOx/NOx control tower 11, consequently, gas purification pipe 10 is as a net gas discharging equipment, make when needs recoil, utilize the return pipe 9 to carry out the recoil again with the net gas extraction in the SOx/NOx control tower 11, the practicality of the device has been improved.

As shown in fig. 2, the fixed check valve 13 that has cup jointed in inside of light weight flue gas pipe 12, and the both ends of light weight flue gas pipe 12 are fixed respectively and are cup jointed at the top of gas wash tower 1 and the bottom of SOx/NOx control tower 11, through set up a check valve 13 in the inside at light weight flue gas pipe 12, thereby make the inside direction of light weight flue gas pipe 12 limited, consequently, the flue gas only can enter into SOx/NOx control tower 11 through light weight flue gas pipe 12 in, can not enter into gas wash tower 1 from among SOx/NOx control tower 11, the reliability of the device has been improved.

It should be noted that, the bottom of SOx/NOx control tower 11 is run through on the top of drain 15 and the fixed middle part that cup joints filter screen 14 under, lower filter screen 14's shape is disc and undercut, through with drain 15 and lower filter screen 14, make down filter screen 14 go up the impurity that filters the stay and discharge the external world through drain 15, improved the clean and tidy nature of device, avoid the too much filter effect of filter screen 14 under the influence of impurity, improved the use travelling comfort of device.

In this embodiment, the fixed shower head 19 that has cup jointed in the bottom of shower 18, and the both ends of shower 18 are fixed cup joint respectively on the lateral wall of 11 inner chambers of SOx/NOx control tower, set up shower head 19 through the bottom at shower 18 to make solution spray more even, improved the work efficiency of device, make the SOx/NOx control effect of device strengthen greatly, also make the practicality of device strengthen greatly simultaneously.

The utility model discloses a theory of operation and use flow: firstly, on accessing into the flue gas pipe with flue gas entry 4, make the flue gas enter into gas wash tower 1 in, recycle primary filter 5 and cushion and primary filter, then the flue gas reaches 6 departments of sack dust collector and begins to filter, make the dust in the flue gas filtered, and enter into SOx/NOx control tower 11 in through light weight flue gas pipe 12, utilize shower head 19 spray solution to carry out SOx/NOx control, cool down simultaneously, so that SOx/NOx control goes on, elementary SOx/NOx control is accomplished the back, utilize the cooperation of active carbon adsorbed layer 20 and quartz filter layer 21, accomplish final SOx/NOx control, and discharge to the external world or next step from clean trachea 10, finally, regularly maintain the device, overhaul, can.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a flue gas desulfurization denitration integration tower, includes gas wash tower (1), the bottom fixed mounting of gas wash tower (1) has supporting leg (2), and the fixed cover in bottom of gas wash tower (1) has connect dust exhaust (3), one side of gas wash tower (1) bottom is fixed to have cup jointed flue gas entry (4), the opposite side of gas wash tower (1) is fixed to have cup jointed light weight flue gas pipe (12), the other end fixed cover of light weight flue gas pipe (12) has cup jointed SOx/NOx control tower (11), its characterized in that, the middle part fixed mounting of gas wash tower (1) inner chamber has primary filter screen (5), and the top fixed mounting of gas wash tower (1) inner chamber has sack dust collector (6), the bottom fixed mounting of SOx/NOx control tower (11) inner chamber has lower filter screen (14), and the middle part fixed cup joint drain (15) of SOx/NOx control tower (11), fixed circulating pump (16) of having cup jointed in one side of SOx/NOx control tower (11), the fixed cover in top of circulating pump (16) has connect circulating pipe (17), the fixed cover in top of circulating pipe (17) has connect shower (18), the top fixed mounting of SOx/NOx control tower (11) inner chamber has activated carbon adsorption layer (20) and quartz filter layer (21).

2. The integrated tower for desulfurization and denitrification of flue gas according to claim 1, wherein the number of the primary filter screens (5) is two, the primary filter screens (5) are V-shaped, and the two primary filter screens (5) are symmetrically arranged on opposite side walls of the inner cavity of the dedusting tower (1).

3. The integrated tower for desulfurization and denitrification of flue gas according to claim 1, wherein a back-flushing air pipe (7) is fixedly sleeved on the top of the dedusting tower (1), the top end of the back-flushing air pipe (7) penetrates through the top of the dedusting tower (1) and is fixedly sleeved with an air blower (8), and the wind direction of the back-flushing air pipe (7) is fixed from the air blower (8) to the back-flushing air pipe (7).

4. The integrated tower for desulfurization and denitrification of flue gas according to claim 3, wherein a return pipe (9) is fixedly sleeved on one side of the blower (8), a clean gas pipe (10) is fixedly sleeved on the other end of the return pipe (9), and the bottom end of the clean gas pipe (10) is fixedly sleeved on the top of the desulfurization and denitrification tower (11).

5. The integrated tower for desulfurization and denitrification of flue gas according to claim 1, wherein the light-weight flue gas pipe (12) is fixedly sleeved with a one-way valve (13), and two ends of the light-weight flue gas pipe (12) are respectively and fixedly sleeved at the top of the dust removal tower (1) and the bottom of the desulfurization and denitrification tower (11).

6. The integrated tower for desulfurization and denitrification of flue gas as claimed in claim 1, wherein the top end of the drain outlet (15) penetrates through the bottom of the desulfurization and denitrification tower (11) and is fixedly sleeved in the middle of the lower filter screen (14), and the lower filter screen (14) is disc-shaped and sunken downwards.

7. The integrated tower for desulfurization and denitrification of flue gas as claimed in claim 1, wherein the bottom of the spray pipe (18) is fixedly sleeved with a spray head (19), and two ends of the spray pipe (18) are respectively fixedly sleeved on the side wall of the inner cavity of the desulfurization and denitrification tower (11).