CN211159191U

CN211159191U - Flue gas pretreatment device

Info

Publication number: CN211159191U
Application number: CN201921987765.3U
Authority: CN
Inventors: 张宏; 王宁; 朱宝龙
Original assignee: Changzhou Zhongneng Environmental Engineering Co ltd
Current assignee: Changzhou Zhongneng Environmental Engineering Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-08-04
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a flue gas pretreatment device, which relates to the technical field of flue gas treatment and comprises a support frame, wherein both sides of the top of the support frame are respectively fixed with a fixed pipe, and the two sides of the outside of the supporting frame are respectively provided with a cyclone dust collector and a cleaning tank, the two fixed pipes are respectively connected with the cyclone dust collector and the cleaning tank through pipelines, a flue gas heat exchange mechanism is arranged between the two fixed pipes, and a flue gas purification mechanism is arranged inside the cleaning tank, through the arranged flue gas heat exchange mechanism, when water flow enters from the water inlet pipe and flows out from the water outlet pipe, the water flow can absorb heat on the heat conducting pipe, so that the heat of the flue gas is transferred to the water flow, so as to improve the utilization rate of energy, and meanwhile, the gas guide pipe is linear, and the heat exchange tank is fixedly connected with the fixed pipe through the flange, so that the convenience degree of the heat exchange mechanism during maintenance can be improved.

Description

Flue gas pretreatment device

Technical Field

The utility model belongs to the technical field of the flue gas is handled, specifically a flue gas preprocessing device.

Background

The flue gas treatment equipment is mainly applied to the power industry, the chemical industry, the manufacturing industry with self-contained boilers and the like, and has the main function of absorbing polluting and corrosive gaseous ions or molecules in the flue gas through chemical reaction to purify the flue gas, so that the flue gas can be directly discharged into the atmosphere without polluting the environment.

However, the flue gas pretreatment device in the current market still has defects when in use, for example, when the traditional device recovers the flue gas waste heat, most of the used heat exchange tubes are directly installed inside the smoke exhaust tube, so that the maintenance process of the waste heat recovery mechanism is very inconvenient, and in addition, the device is difficult to prolong the time for purifying the flue gas, thereby causing the problem of the reduction of the purification efficiency of the flue gas.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flue gas preprocessing device, flue gas heat transfer mechanism through setting up, rivers get into from the inlet tube when flowing from the outlet pipe, rivers can absorb the heat on the heat pipe, and then make the heat transfer of flue gas to rivers on, so that the utilization ratio of the energy is improved, the air duct is the linear type simultaneously, and heat exchange tank passes through flange fixed connection with fixed pipe, consequently, can improve the convenient degree when heat transfer mechanism maintains, through the flue gas water conservancy diversion mechanism that sets up, during the use, under the effect of guide plate, can prolong the stroke that the flue gas passed the packing layer, and then make liquid medicine and packing layer purify the flue gas for a long time, so that efficiency when improving flue gas purification.

The utility model adopts the technical scheme as follows:

The utility model provides a flue gas preprocessing device, includes the support frame, the top both sides of support frame all are fixed with fixed pipe, and the outside both sides of support frame are provided with cyclone respectively and wash the jar, two fixed pipe is connected with cyclone and washing jar respectively through the pipeline, two through being provided with flue gas heat transfer mechanism between the fixed pipe, the internally mounted who washs the jar has flue gas purification mechanism.

Preferably, flue gas heat transfer mechanism includes the heat transfer jar and runs through the inside air duct of heat transfer jar, the heat transfer jar is located the top of support frame, and the heat transfer jar passes through flange fixed connection with fixed pipe, the top of heat transfer jar is connected with the outlet pipe, the heat transfer jar is connected with the inlet tube for one side of outlet pipe.

Preferably, the heat exchange tank is sleeved with a protective shell, and a heat insulation layer is filled between the protective shell and the heat exchange tank.

Preferably, the top symmetry of support frame is fixed with two stoppers, two the stopper is located between two fixed pipes, the draw-in groove has been seted up to the inside of stopper, the draw-in groove is convex transition.

Preferably, flue gas purification mechanism includes the shower and installs in the shower nozzle of shower bottom, the shower is fixed in the inside top of wasing the jar, one side of shower is connected with into the pencil, it extends to the outside of wasing the jar for the one end of shower to advance the pencil, one side bottom of wasing the jar is connected with out the pencil, and the inside below that is located the shower of wasing the jar installs flue gas water conservancy diversion mechanism.

Preferably, flue gas guiding mechanism includes the guide plate, the guide plate is provided with six altogether, six the guide plate is equidistance dislocation distribution in the inner wall both sides of wasing the jar, wherein both sides the guide plate with wash and be fixed with the filter screen between the jar inner wall, the packing layer has been filled between guide plate, washing jar and the filter screen.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. The utility model discloses in, through the flue gas heat transfer mechanism that sets up, when rivers flow from the outlet pipe from the inlet tube entering, rivers can absorb the heat on the heat pipe, and then make on the heat transfer to rivers of flue gas to improve the utilization ratio of the energy, the air duct is the linear type simultaneously, and the heat transfer jar passes through flange fixed connection with fixed pipe, consequently can improve the convenient degree when heat transfer mechanism maintains.

2. The utility model discloses in, through the flue gas guiding mechanism that sets up, during the use, under the effect of guide plate, can prolong the stroke that the flue gas passed the packing layer, and then make liquid medicine and packing layer purify the flue gas for a long time to efficiency when improving flue gas purification, the packing layer can be avoided scattering to the filter screen simultaneously, consequently can improve the stability when packing layer uses.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the protective shell of the present invention;

FIG. 3 is a side view of the heat exchange canister of the present invention;

FIG. 4 is a cross-sectional view of the cleaning tank of the present invention;

FIG. 5 is a side view of the stopper of the present invention;

In the figure: 1. a support frame; 2. a water inlet pipe; 3. a limiting block; 4. a fixed tube; 5. a cyclone dust collector; 6. a protective shell; 7. a water outlet pipe; 8. cleaning the tank; 9. a heat exchange tank; 10. a thermal insulation layer; 11. an air duct; 12. a shower pipe; 13. a spray head; 14. a medicine inlet pipe; 15. filtering with a screen; 16. a medicine outlet pipe; 17. a card slot; 18. a filler layer; 19. a baffle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-4, a flue gas pretreatment device comprises a support frame 1, wherein fixed pipes 4 are fixed on both sides of the top of the support frame 1, a cyclone dust collector 5 and a cleaning tank 8 are respectively arranged on both sides of the outside of the support frame 1, the two fixed pipes 4 are respectively connected with the cyclone dust collector 5 and the cleaning tank 8 through pipelines, a flue gas heat exchange mechanism is arranged between the two fixed pipes 4, and a flue gas purification mechanism is arranged inside the cleaning tank 8;

When the device handles the flue gas, can directly let in 5 air inlets of cyclone with the flue gas, later cyclone 5 can detach the granule such as dust in the flue gas, later the flue gas that does not contain the dust can get into flue gas heat transfer mechanism through fixed pipe 4 in, and then can avoid the dust to adhere to the inside at flue gas heat transfer mechanism to improve flue gas heat transfer mechanism's heat exchange efficiency.

Referring to fig. 1-3, the flue gas heat exchange mechanism comprises a heat exchange tank 9 and a gas guide tube 11 penetrating through the interior of the heat exchange tank 9, the heat exchange tank 9 is positioned above the support frame 1, the heat exchange tank 9 is fixedly connected with the fixed tube 4 through a flange, the top of the heat exchange tank 9 is connected with a water outlet tube 7, and one side of the heat exchange tank 9, which is opposite to the water outlet tube 7, is connected with a water inlet tube 2;

A protective shell 6 is sleeved outside the heat exchange tank 9, and a heat insulation layer 10 is filled between the protective shell 6 and the heat exchange tank 9;

During the use, the flue gas that does not contain the dust gets into behind the heat transfer mechanism, the flue gas can pass air duct 11 and flow to wasing jar 8, in this process, the heat that the flue gas contained can be transmitted by air duct 11, simultaneously can inject the inside of heat transfer jar 9 with rivers through inlet tube 2, later rivers between heat transfer jar 9 and the heat pipe 11 can absorb the heat on the heat pipe 11, rivers can pass through outlet pipe 7 discharges after the heating, use in the place that supplies required hydrothermal, thereby can improve the utilization ratio of the energy, utilize protecting crust 6 and insulating layer 10 can avoid staff's directness and the contact of heat transfer mechanism, consequently, security when can improve heat transfer mechanism and make.

Referring to fig. 5, two limiting blocks 3 are symmetrically fixed at the top of the support frame 1, the two limiting blocks 3 are located between the two fixed pipes 4, a clamping groove 17 is formed in each limiting block 3, and the clamping grooves 17 are in arc transition;

The limiting block 3 can enable the protective shell 6 and the support frame 1 to form a whole, and then the stability of the heat exchange tank 9 in use can be improved.

Referring to fig. 4, the flue gas purification mechanism comprises a spray pipe 12 and a spray head 13 installed at the bottom of the spray pipe 12, the spray pipe 12 is fixed above the inside of the cleaning tank 8, one side of the spray pipe 12 is connected with a chemical inlet pipe 14, one end of the chemical inlet pipe 14 opposite to the spray pipe 12 extends to the outside of the cleaning tank 8, the bottom of one side of the cleaning tank 8 is connected with a chemical outlet pipe 16, and a flue gas diversion mechanism is installed below the spray pipe 12 inside the cleaning tank 8;

The smoke guide mechanism comprises six guide plates 19, the six guide plates 19 are arranged in total, the six guide plates 19 are distributed on two sides of the inner wall of the cleaning tank 8 in an equidistant staggered manner, a filter screen 15 is fixed between the guide plate 19 on the two sides and the inner wall of the cleaning tank 8, and a packing layer 18 is filled among the guide plate 19, the cleaning tank 8 and the filter screen 15;

During the use, the accessible advances medicine pipe 14 to the inside liquid medicine that spouts into the purification flue gas of washing jar 8, later the liquid medicine can get into flue gas guiding mechanism, under guide plate 19's effect, can make the stroke that the flue gas passed packing layer 18 longer to make liquid medicine and packing layer 18 can further purify the flue gas, and then efficiency when can improving gas cleaning, and filter screen 15 can avoid packing layer 18 to scatter, thereby stability when improving packing layer 18 and using.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a flue gas preprocessing device which characterized in that: including support frame (1), the top both sides of support frame (1) all are fixed with fixed pipe (4), and the outside both sides of support frame (1) are provided with cyclone (5) respectively and wash jar (8), two fixed pipe (4) are connected with cyclone (5) respectively and wash jar (8) through the pipeline, two through being provided with flue gas heat transfer mechanism between fixed pipe (4), the internally mounted who washs jar (8) has flue gas purification mechanism.

2. The flue gas pretreatment device according to claim 1, wherein: flue gas heat transfer mechanism is including heat transfer jar (9) and run through inside air duct (11) of heat transfer jar (9), heat transfer jar (9) are located the top of support frame (1), and heat transfer jar (9) and fixed pipe (4) pass through flange fixed connection, the top of heat transfer jar (9) is connected with outlet pipe (7), heat transfer jar (9) are connected with inlet tube (2) for one side of outlet pipe (7).

3. A flue gas pretreatment device according to claim 2, characterized in that: the heat exchange tank is characterized in that a protective shell (6) is sleeved outside the heat exchange tank (9), and a heat insulation layer (10) is filled between the protective shell (6) and the heat exchange tank (9).

4. A flue gas pretreatment device according to claim 2, characterized in that: the top symmetry of support frame (1) is fixed with two stopper (3), two stopper (3) are located between two fixed pipes (4), draw-in groove (17) have been seted up to the inside of stopper (3), draw-in groove (17) are convex transition.

5. The flue gas pretreatment device according to claim 1, wherein: flue gas purification mechanism includes shower (12) and installs shower nozzle (13) in shower (12) bottom, shower (12) are fixed in the inside top of wasing jar (8), one side of shower (12) is connected with into pencil (14), it extends to the outside of wasing jar (8) for the one end of shower (12) to advance pencil (14), one side bottom of wasing jar (8) is connected with out pencil (16), and the inside of wasing jar (8) is located the below of shower (12) and installs flue gas water conservancy diversion mechanism.

6. The flue gas pretreatment device according to claim 5, wherein: flue gas water conservancy diversion mechanism includes guide plate (19), guide plate (19) are provided with six, six altogether guide plate (19) are equidistance staggered distribution in the inner wall both sides of wasing jar (8), wherein both sides guide plate (19) and wash jar (8) inner wall between be fixed with filter screen (15), it has packing layer (18) to fill between guide plate (19), the washing jar (8) and filter screen (15).