阅读说明：本技术 一种用于电力发电的回气式浮尘净化处理装置 (Air return type floating dust purification treatment device for electric power generation ) 是由 李瑞然 于 2021-07-13 设计创作，主要内容包括：本发明提供一种用于电力发电的回气式浮尘净化处理装置,包括烟气预备处理罐和储气罐,所述烟气预备处理罐的中部内固定安装有烟气分级减速整流座,所述烟气分级减速整流座包括分级座、中间座和整流座,所述中间座和整流座的数量均为2个,所述中间座和整流座上均开设有若干个连接孔,所述中间座的顶部和整流座的底部均固定安装有若干个减速管,该用于电力发电的回气式浮尘净化处理装置设计合理,U型回温管能够将烟气预备处理罐内未经处理的烟气导入矩形净化管内的回烟通道内并进入螺旋回温通道,从而能够逆向为经过静电除尘器的烟气逐渐回温,从而使经过静电除尘器的烟气温度趋于平衡,保证浮尘清除的效率和效果。(The invention provides a return-air type floating dust purification treatment device for power generation, which comprises a smoke preparation treatment tank and an air storage tank, wherein a smoke grading deceleration rectifying seat is fixedly arranged in the middle of the smoke preparation treatment tank, the smoke grading deceleration rectifying seat comprises a grading seat, a middle seat and a rectifying seat, the number of the middle seat and the rectifying seat is 2, a plurality of connecting holes are respectively formed in the middle seat and the rectifying seat, a plurality of deceleration pipes are respectively fixedly arranged at the top of the middle seat and the bottom of the rectifying seat, the return-air type floating dust purification treatment device for power generation is reasonable in design, a U-shaped temperature return pipe can guide untreated smoke in the smoke preparation treatment tank into a smoke return passage in a rectangular purifying pipe and then into a spiral temperature return passage, so that the smoke passing through an electrostatic dust collector can be gradually returned reversely, and the temperature of the smoke passing through the electrostatic dust collector tends to be balanced, the efficiency and the effect of floating dust removal are ensured.)

1. The utility model provides a return-air type floats dirt purification unit for electric power generation, prepares processing tank (1) and gas holder (2) including the flue gas, its characterized in that, the flue gas prepares middle part internal fixation who handles tank (1) and installs flue gas hierarchical speed reduction rectifying seat (3), flue gas hierarchical speed reduction rectifying seat (3) are including hierarchical seat (4), middle seat (5) and rectifying seat (6), the quantity of middle seat (5) and rectifying seat (6) is 2, a plurality of connecting hole (7) have all been seted up on middle seat (5) and rectifying seat (6), the top of middle seat (5) and the bottom of rectifying seat (6) all fixed mounting have a plurality of speed reducing tube (8), the one end fixed mounting of speed reducing tube (8) on rectifying seat (6) is in connecting hole (7) on middle seat (5), the one end fixed mounting of speed reducing tube (8) on middle seat (5) is in connecting hole (7) on rectifying seat (6) Two middle seats (5) are respectively and fixedly installed at the top and the bottom of the grading seat (4), a flue gas channel (9) is arranged at one side of the grading seat (4), a grading channel (10) is arranged at a position corresponding to a connecting hole (7) on the middle seat (5) on the inner side wall of the top and the bottom of the flue gas channel (9), rectangular purification pipes (13) are fixedly connected between the top and the bottom of the flue gas preparation treatment tank (1) and the top and the bottom of the gas storage tank (2), an electrostatic dust collector (14) is fixedly installed in each rectangular purification pipe (13), a spiral temperature return channel (15) and a smoke return channel (16) are arranged in each rectangular purification pipe (13), each smoke return channel (16) is communicated with one end of each spiral temperature return channel (15), and a rectangular flow limiting groove (17) is arranged at one end of each rectangular purification pipe (13), rectangle restriction groove (17) and spiral return temperature passageway (15) intercommunication, fixedly connected with U type return temperature pipe (18), two on rectangle purge tube (13) U type return temperature pipe (18) on rectangle purge tube (13) communicate with the top and the bottom of flue gas preparation treatment jar (1) respectively.

2. The air-return type floating dust purification treatment device for electric power generation according to claim 1, characterized in that: a plurality of communicating holes (11) are formed in the outer side of the middle of the speed reducing pipe (8), and a filter screen (12) is fixedly mounted in one end of the speed reducing pipe (8).

3. The air-return type floating dust purification treatment device for electric power generation according to claim 1, characterized in that: one end of the U-shaped temperature return pipe (18) is arranged in the smoke preparation treatment tank (1), and one end of the U-shaped temperature return pipe (18) in the smoke preparation treatment tank (1) is fixedly provided with an air outlet frame (19).

4. The air-return type floating dust purification treatment device for electric power generation according to claim 1, characterized in that: the smoke gas preparation treatment device is characterized in that a smoke inlet pipe (20) is fixedly connected to the middle of one side of the smoke gas preparation treatment tank (1), a discharge pipe (21) is fixedly connected to the middle of one side of the gas storage tank (2), and connecting flanges (22) are fixedly mounted at one ends of the smoke inlet pipe (20) and the discharge pipe (21).

5. The air-return type floating dust purification treatment device for electric power generation according to claim 1, characterized in that: the equal fixed mounting in bottom of flue gas preparation treatment tank (1) and gas holder (2) has supporting leg (26), the bottom fixed mounting of supporting leg (26) has fixed plate (27).

6. The air-return type floating dust purification treatment device for electric power generation according to claim 1, characterized in that: the front side of the smoke preparation treatment tank (1) is provided with a front baffle (25) through a bolt.

7. The air-return type floating dust purification treatment device for electric power generation according to claim 1, characterized in that: control panel (24) are installed to the front side that the flue gas prepares processing jar (1), one side fixedly connected with power cord (23) of flue gas prepares processing jar (1), the one end of power cord (23) is connected with the plug, power cord (23) and control panel (24) and electrostatic precipitator (14) electric connection, control panel (24) and electrostatic precipitator (14) electric connection.

Technical Field

The invention belongs to the technical field of floating dust purification equipment, and particularly relates to an air return type floating dust purification treatment device for power generation.

Background

In the thermal power generation process, more smoke dust and dust can be generated, the higher the dispersity of the dust is, namely the smaller the particle size of the dust is, the higher the stability of the dust in the air is, the longer the dust is suspended in the air, the more the probability of workers to inhale is, and the greater the harm is to human bodies, therefore, in order to improve the production safety, the floating dust in the smoke needs to be removed and purified, an electrostatic dust collector is adopted as a more effective method, the temperature of the smoke and the flow rate of the smoke are important factors influencing the dust removal rate, the temperature of the smoke is too high, the corona starting voltage, the electric field temperature on the surface of a corona electrode during corona starting, the spark discharge voltage and the like are all reduced, and the dust removal efficiency is influenced. The temperature of the flue gas is too low, the creepage of an insulating part due to dew condensation is easily caused, the stability of the temperature of the flue gas is kept, the improvement of the dust removal rate is facilitated, the flow rate of the flue gas is too high, the deposited floating dust is easily blown up again, and the integral dust removal rate is reduced.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a return-air type floating dust purification treatment device for power generation, which is reasonable in design, and a U-shaped temperature return pipe can guide untreated flue gas in a flue gas preparation treatment tank into a flue gas return channel in a rectangular purification pipe and then into a spiral temperature return channel, so that the flue gas passing through an electrostatic dust collector can be reversely and gradually returned to the temperature, the temperature of the flue gas passing through the electrostatic dust collector tends to be balanced, and the efficiency and the effect of floating dust removal are ensured.

In order to achieve the purpose, the invention is realized by the following technical scheme: a return-air type floating dust purification treatment device for power generation comprises a smoke preparation treatment tank and a gas storage tank, wherein a smoke grading deceleration rectifying seat is fixedly arranged in the middle of the smoke preparation treatment tank and comprises a grading seat, a middle seat and a rectifying seat, the middle seat and the rectifying seat are 2 in number, a plurality of connecting holes are formed in the middle seat and the rectifying seat respectively, a plurality of deceleration pipes are fixedly arranged at the top of the middle seat and the bottom of the rectifying seat respectively, one end of each deceleration pipe on the rectifying seat is fixedly arranged in each connecting hole on the middle seat, one end of each deceleration pipe on the middle seat is fixedly arranged in each connecting hole on the rectifying seat, the two middle seats are fixedly arranged at the top and the bottom of the grading seat respectively, a smoke passage is formed in one side of the grading seat, and a grading passage is formed in the position, corresponding to the connecting holes in the middle seat, on the inner side wall of the top and the bottom of the smoke passage, equal fixedly connected with rectangle purge tube between the top of flue gas preparation treatment tank and the top and the bottom of bottom and gas holder, fixed mounting has electrostatic precipitator in the rectangle purge tube, spiral temperature return channel and back cigarette passageway have been seted up in the rectangle purge tube, the one end intercommunication of back cigarette passageway and spiral temperature return channel, the rectangle restriction groove has been seted up to the one end of rectangle purge tube, rectangle restriction groove and spiral temperature return channel intercommunication, fixedly connected with U type temperature return tube on the rectangle purge tube, two U type temperature return tube on the rectangle purge tube prepares the top and the bottom intercommunication of treatment tank with the flue gas respectively.

As a preferred embodiment of the present invention, a plurality of communication holes are opened on the outer side of the middle part of the speed reducing pipe, and a filter screen is fixedly installed in one end of the speed reducing pipe.

In a preferred embodiment of the present invention, one end of the U-shaped temperature return pipe is located in the flue gas preparation treatment tank, and one end of the U-shaped temperature return pipe located in the flue gas preparation treatment tank is fixedly mounted with the gas outlet frame.

In a preferred embodiment of the present invention, a smoke inlet pipe is fixedly connected to a middle portion of one side of the smoke preparation treatment tank, a discharge pipe is fixedly connected to a middle portion of one side of the gas storage tank, and a connecting flange is fixedly mounted on each of the smoke inlet pipe and one end of the discharge pipe.

In a preferred embodiment of the present invention, the bottom of each of the flue gas preparation treatment tank and the gas storage tank is fixedly provided with a support leg, and the bottom of each support leg is fixedly provided with a fixing plate.

In a preferred embodiment of the present invention, a front baffle is mounted on the front side of the flue gas preparation treatment tank by bolts.

In a preferred embodiment of the present invention, a control panel is installed on a front side of the flue gas preparation treatment tank, a power cord is fixedly connected to one side of the flue gas preparation treatment tank, a plug is connected to one end of the power cord, the power cord is electrically connected to the control panel and the electrostatic precipitator, and the control panel is electrically connected to the electrostatic precipitator.

The invention has the beneficial effects that: the invention relates to an air return type floating dust purification treatment device for power generation, which comprises a smoke preparation treatment tank, an air storage tank, a smoke grading and speed reducing rectifying seat, a grading seat, a middle seat, a rectifying seat, a connecting hole, a speed reducing pipe, a smoke channel, a grading channel, a communicating hole, a filter screen, a rectangular purifying pipe, an electrostatic dust collector, a spiral temperature return channel, a smoke return channel, a rectangular flow limiting groove, a U-shaped temperature return pipe, an air outlet frame, a smoke inlet pipe, a discharge pipe, a connecting flange, a power line, a control panel, a front baffle, supporting legs and a fixing plate.

1. This a return-air type floating dust purification unit for power generation's U type returns the warm pipe and can prepare the flue gas in the leading-in back smoke passageway in the rectangle purifying tube of untreated flue gas in the treatment tank and enter into spiral and return the warm passageway to can reverse the flue gas for through electrostatic precipitator returns the temperature gradually, thereby make the flue gas temperature through electrostatic precipitator tend to balance, guarantee the efficiency and the effect that the floating dust was clear away.

2. This a return-air type floating dust purification unit for electric power generation's one end of rectangle purge tube has seted up rectangle current-limiting groove to the flue gas that the spiral temperature return passageway came out gets into rectangle current-limiting groove and flows out, and the flue gas stream that gets into in the electrostatic precipitator in the rectangle purge tube passes the rectangle air current of backward flow and gets into electrostatic precipitator, can reduce the peripheral velocity of flow reduction of the air current that gets into electrostatic precipitator, prevents effectively that the air current from blowing up sedimentary floating dust, improves the dust removal rate.

3. This a hierarchical speed reduction fairing seat of flue gas that is used for air return formula floating dust purification unit of electric power generation can divide into two parts and leading-in flue gas respectively through the flue gas stream that advances the tobacco pipe and prepare the top and the bottom of handling the jar, the great floating dust of volume gets into the bottom, the less entering top of volume, the promotion of the effect of getting rid of that is favorable to floating dust, and, the fairing seat, the connecting hole can slow down and the rectification to the flue gas with the deceleration tube cooperation, be favorable to the promotion of air current homogeneity, thereby be favorable to the improvement of dust removal rate.

Drawings

FIG. 1 is a schematic structural diagram of an air-returning type floating dust purification treatment device for power generation according to the present invention;

FIG. 2 is a schematic cross-sectional view of an air-returning type floating dust purifying device for power generation according to the present invention;

FIG. 3 is a schematic cross-sectional view of a rectangular cleaning pipe of an air-returning type floating dust cleaning device for power generation according to the present invention;

FIG. 4 is a left side view of a rectangular cleaning pipe of the air-return type floating dust cleaning device for electric power generation according to the present invention;

FIG. 5 is a schematic cross-sectional view of a graded flue gas decelerating and rectifying seat of the air-returning type floating dust purifying and treating device for power generation according to the present invention;

FIG. 6 is a schematic cross-sectional view of a deceleration pipe of the air-returning type floating dust purification treatment device for power generation according to the present invention;

in the figure: 1. a flue gas preparation treatment tank; 2. a gas storage tank; 3. a flue gas grading deceleration rectifying base; 4. a grading seat; 5. a middle seat; 6. a rectifying base; 7. connecting holes; 8. a deceleration tube; 9. a flue gas channel; 10. a grading channel; 11. a communicating hole; 12. filtering with a screen; 13. a rectangular purge tube; 14. an electrostatic precipitator; 15. a spiral temperature return channel; 16. a smoke return channel; 17. a rectangular flow-limiting groove; 18. a U-shaped temperature return pipe; 19. an air outlet frame; 20. a smoke inlet pipe; 21. a discharge pipe; 22. a connecting flange; 23. a power line; 24. a control panel; 25. a front baffle; 26. supporting legs; 27. and (7) fixing the plate.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1 to 6, the present invention provides a technical solution: a return-air type floating dust purification treatment device for power generation comprises a smoke preparation treatment tank 1 and a gas storage tank 2, wherein a smoke classification deceleration rectifying seat 3 is fixedly arranged in the middle of the smoke preparation treatment tank 1, the smoke classification deceleration rectifying seat 3 comprises a classification seat 4, a middle seat 5 and a rectifying seat 6, the number of the middle seat 5 and the rectifying seat 6 is 2, a plurality of connecting holes 7 are respectively formed in the middle seat 5 and the rectifying seat 6, a plurality of deceleration tubes 8 are respectively and fixedly arranged at the top of the middle seat 5 and the bottom of the rectifying seat 6, one ends of the deceleration tubes 8 on the rectifying seat 6 are fixedly arranged in the connecting holes 7 on the middle seat 5, one ends of the deceleration tubes 8 on the middle seat 5 are fixedly arranged in the connecting holes 7 on the rectifying seat 6, and the middle seat 5 is respectively and fixedly arranged at the top and the bottom of the classification seat 4, a flue gas channel 9 is arranged on one side of the grading seat 4, grading channels 10 are arranged on the inner side walls of the top and the bottom of the flue gas channel 9 at the positions corresponding to the connecting holes 7 on the middle seat 5, rectangular purification pipes 13 are fixedly connected between the top and the bottom of the flue gas preparation treatment tank 1 and the top and the bottom of the gas storage tank 2, an electrostatic dust collector 14 is fixedly arranged in the rectangular purification pipe 13, a spiral temperature return channel 15 and a smoke return channel 16 are arranged in the rectangular purification pipe 13, the smoke return channel 16 is communicated with one end of the spiral temperature return channel 15, one end of the rectangular purifying pipe 13 is provided with a rectangular flow-limiting groove 17, the rectangle flow-limiting groove 17 is communicated with the spiral temperature return channel 15, the rectangular purification tube 13 is fixedly connected with a U-shaped temperature return tube 18, and the U-shaped temperature return tube 18 on the rectangular purification tube 13 is respectively communicated with the top and the bottom of the smoke preparation treatment tank 1.

As a preferred embodiment of the present invention, a plurality of communication holes 11 are formed at the outer side of the middle part of the deceleration pipe 8, a filter screen 12 is fixedly installed in one end of the deceleration pipe 8, and the filter screen 12 can filter out bulky impurities to prevent the impurities from affecting the normal operation of the electrostatic precipitator 14.

In a preferred embodiment of the present invention, one end of the U-shaped temperature return pipe 18 is located in the flue gas preparation treatment tank 1, and an air outlet frame 19 is fixedly mounted at one end of the U-shaped temperature return pipe 18 located in the flue gas preparation treatment tank 1.

In a preferred embodiment of the present invention, a smoke inlet pipe 20 is fixedly connected to the middle of one side of the smoke preparation treatment tank 1, a discharge pipe 21 is fixedly connected to the middle of one side of the gas storage tank 2, a connecting flange 22 is fixedly mounted on each of the smoke inlet pipe 20 and one end of the discharge pipe 21, the smoke inlet pipe 20 is used for connecting to a smoke source with a certain pressure, and the discharge pipe 21 is used for connecting to equipment of a next treatment process for facilitating the subsequent treatment of smoke.

In a preferred embodiment of the present invention, support legs 26 are fixedly mounted at the bottom of the flue gas preparation treatment tank 1 and the gas storage tank 2, a fixing plate 27 is fixedly mounted at the bottom of the support legs 26, and the fixing plate 27 is used for integral fixing mounting.

In a preferred embodiment of the present invention, a front baffle 25 is installed on the front side of the flue gas preparation treatment tank 1 through bolts, and the flue gas channel 9 can be cleaned after the front baffle 25 is detached, so as to prevent the accumulation of large impurities.

In a preferred embodiment of the present invention, a control panel 24 is installed on the front side of the flue gas preparation treatment tank 1, a power cord 23 is fixedly connected to one side of the flue gas preparation treatment tank 1, a plug is connected to one end of the power cord 23, the power cord 23 is electrically connected to the control panel 24 and the electrostatic precipitator 14, the control panel 24 is electrically connected to the electrostatic precipitator 14, and the control panel 24 is used for controlling the operation and parameter setting of the electrostatic precipitator 14.

As a preferred embodiment of the invention, when in use, the fixing plate 27 is installed at a proper position through bolts, the smoke inlet pipe 20 is connected to a smoke source through the connecting flange 22, the discharge pipe 21 is connected to equipment of the next treatment process through the connecting flange 22, the power cord 23 is connected to an external power supply through a plug, the electrostatic dust collector 14 is started through the control panel 24, smoke enters the smoke channel 9 through the smoke inlet pipe 20, floating dust with larger volume gradually settles downwards along with the smoke, floating dust with smaller volume gradually moves upwards along with the smoke, the smoke enters the connecting holes 7 on the middle seat 5 and enters the corresponding reducing pipes 8 through the grading channel 10, the smoke enters the surrounding reducing pipes 8 through the connecting holes 11 and is discharged through the connecting holes 7 on the rectifying seat 6, the smoke grading reducing rectifying seat 6 can divide the smoke flow entering through the smoke inlet pipe 20 into two parts and respectively leads the top and the bottom of the smoke preparation treatment tank 1, the floating dust can be removed favorably, in addition, the rectification seat 6, the connecting hole 7 and the speed reducing pipe 8 are matched to reduce and rectify the smoke, the uniformity of the airflow is favorably improved, the improvement of the dust removal rate is favorably realized, one part of the smoke enters the electrostatic dust remover 14 in the rectangular purification pipe 13 and is purified and dedusted by the electrostatic dust remover 14, the other part of the smoke enters the smoke return channel 16 in the rectangular purification pipe 13 through the U-shaped temperature return pipe 18 and enters the spiral temperature return channel 15, then enters the rectangular flow limiting groove 17 through the spiral temperature return channel 15 and flows out as rectangular airflow, the U-shaped temperature return pipe 18 can guide the untreated smoke in the smoke preparation treatment tank 1 into the smoke return channel 16 in the rectangular purification pipe 13 and enters the spiral temperature return channel 15, the smoke passing through the electrostatic dust remover 14 can be gradually heated reversely, and the temperature of the smoke passing through the electrostatic dust remover 14 tends to be balanced, the efficiency and the effect of removing the floating dust are ensured, and the flue gas flow in the electrostatic dust collector 14 entering the rectangular purifying pipe 13 passes through the returned rectangular gas flow and enters the electrostatic dust collector 14, so that the peripheral flow velocity of the gas flow entering the electrostatic dust collector 14 can be reduced, the deposited floating dust can be effectively prevented from being blown by the gas flow, the dust removal rate is improved, and the flue gas purified by the electrostatic dust collector 14 enters the gas storage tank 2 and is discharged through the discharge pipe 21.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.