CN210736409U

CN210736409U - Equipment for treating industrial desulfurization wastewater by using flue waste gas

Info

Publication number: CN210736409U
Application number: CN201921754660.3U
Authority: CN
Inventors: 邓联涛
Original assignee: Zhengzhou Changhe Power Technology Co Ltd
Current assignee: Zhengzhou Changhe Power Technology Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-12
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses an utilize flue exhaust-gas treatment industry desulfurization waste water's equipment, the intelligent cabinet temperature adjusting device comprises a cabinet body, sedimentation chamber and filter chamber have been seted up on the cabinet body, the top fixed mounting of the cabinet body has waste pipe and exhaust-gas line, the waste pipe is linked together with the sedimentation chamber, the bottom of exhaust-gas line extends to the sedimentation intracavity, the sedimentation intracavity is equipped with the pivot, fixed mounting has the puddler in the pivot, the top fixed mounting of the cabinet body has motor and outlet duct, the outlet duct is linked together with the sedimentation chamber, the mounting hole has been seted up on the top inner wall of sedimentation chamber, the top of pivot extends to in the mounting hole, the output shaft of motor extend to in the mounting hole and with the top fixed connection of pivot. The utility model relates to a rationally, the simple operation, the waste heat that can rational utilization flue waste gas heats desulfurization waste water, and is effectual to desulfurization waste water's purification treatment, and the treatment effeciency is high, economical and practical practices thrift the cost.

Description

Equipment for treating industrial desulfurization wastewater by using flue waste gas

Technical Field

The utility model relates to a waste water treatment equipment technical field specifically is an utilize equipment of flue waste gas treatment industrial desulfurization waste water.

Background

The desulfurization waste water is mainly the discharge water of an absorption tower in the wet desulfurization process of boiler flue gas, in order to maintain the material balance of a slurry circulating system of a desulfurization device, prevent the concentration of soluble part, namely chlorine, in the flue gas from exceeding a specified value and ensure the quality of gypsum, a certain amount of waste water is discharged from the system, the waste water mainly comes from a gypsum dehydration and cleaning system, impurities contained in the waste water mainly comprise suspended matters, supersaturated sulfite, sulfate and heavy metals, many of the pollutants are the first pollutants which are strictly controlled in the national environmental protection standard, nowadays, the desulfurization wastewater treatment method is a chemical precipitation method, and proper amount of flocculant is put into desulfurization wastewater treatment equipment to perform the processes of neutralization, sedimentation, flocculation and clarification with desulfurization wastewater, so that impurities such as suspended matters, supersaturated sulfite, sulfate and heavy metals in the desulfurization wastewater are removed to reach the discharge standard.

However, in the prior art, in the process of treating the desulfurization wastewater by using the desulfurization wastewater treatment equipment, the flocculant and the desulfurization wastewater are not uniformly mixed, the flocculation precipitation effect is not good, so that the treatment effect on the desulfurization wastewater is not good, the treatment efficiency is reduced, the mixing process of the flocculant and the desulfurization wastewater cannot be heated by using the waste heat of flue gas, resource waste is caused, no energy-saving effect is realized, and the economic cost for treating the desulfurization wastewater is increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides an it is not enough to prior art, the utility model provides an utilize equipment of flue waste gas treatment industry desulfurization waste water has solved in the desulfurization waste water treatment process, and the flocculating agent is inhomogeneous with the mixture of desulfurization waste water, and the flocculation and precipitation effect is not good, and is not good to the treatment effect of desulfurization waste water, and the treatment effeciency reduces, can not utilize the waste heat of flue waste gas to heat the mixing process of flocculating agent and desulfurization waste water moreover, causes the problem of wasting of resources.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an apparatus for treating industrial desulfurization wastewater by using flue waste gas comprises a cabinet body, wherein a precipitation chamber and a filter chamber are arranged on the cabinet body, a waste water pipe and a waste gas pipe are fixedly arranged at the top of the cabinet body, the waste water pipe is communicated with the precipitation chamber, the bottom end of the waste gas pipe extends into the precipitation chamber, a rotating shaft is arranged in the precipitation chamber, a stirring rod is fixedly arranged on the rotating shaft, a motor and an air outlet pipe are fixedly arranged at the top of the cabinet body, the air outlet pipe is communicated with the precipitation chamber, a mounting hole is arranged on the inner wall of the top of the precipitation chamber, the top end of the rotating shaft extends into the mounting hole, the output shaft end of the motor extends into the mounting hole and is fixedly connected with the top end of the rotating shaft, a water baffle is fixedly arranged in the air outlet pipe, a sewage pump is fixedly arranged at one side of the cabinet body, a first water pipe, the discharge end fixed mounting of sewage pump has the second water pipe, the one end that the sewage pump was kept away from to the second water pipe is linked together with the filter chamber, fixed mounting has filter and active carbon board in the filter chamber, the active carbon board is located the below of filter, the filter sets up for the slope, one side fixed mounting of the cabinet body has the drain pipe that is located the active carbon board below, the drain pipe is linked together with the filter chamber, one side fixed mounting that the sewage pump was kept away from to the cabinet body has the dredge pump, the suction end fixed mounting of dredge pump has the third water pipe, the third water pipe is linked together with the filter chamber, the discharge end fixed mounting of dredge pump has the fourth water pipe.

Preferably, a drug feeding hole is formed in the inner wall of the top of the settling cavity, an end cover is installed in the drug feeding hole in a threaded mode, and the top end of the end cover extends out of the drug feeding hole.

Preferably, the rotating shaft is fixedly sleeved with a bearing, and an outer ring of the bearing is fixedly connected with the inner wall of the mounting hole.

Preferably, the number of the stirring rods is six, and the six stirring rods are symmetrically arranged in pairs.

Preferably, the number of the water baffles is multiple, and the water baffles are all obliquely arranged.

Preferably, stop valves are fixedly mounted on the first water pipe, the drain pipe and the third water pipe.

Preferably, a cleaning hole is formed in the inner wall of one side of the filter cavity, a cover plate is fixedly mounted on one side of the cabinet body, and the cover plate is matched with the cleaning hole.

(III) advantageous effects

The utility model provides an equipment for treating industrial desulfurization wastewater by utilizing flue waste gas.

The method has the following beneficial effects:

(1) the equipment for treating industrial desulfurization wastewater by using flue waste gas flows into a precipitation cavity through a waste water pipe, an end cover is unscrewed, a proper amount of flocculating agent is put into the precipitation cavity, a motor is started to work, the motor drives a rotating shaft and six stirring rods to rotate, the rotating shaft and the six stirring rods are used for fully stirring and mixing the desulfurization wastewater and the flocculating agent to react, the desulfurization wastewater and the flocculating agent are uniformly mixed to generate flocculent precipitate, the flue waste gas is injected into mixed liquid of the desulfurization wastewater and the flocculating agent through the waste water pipe, the mixed liquid is heated by using the waste heat of the flue waste gas, so that the mixing of the desulfurization wastewater and the flocculating agent can be accelerated to generate the flocculent precipitate, the precipitation effect is good, the precipitation and purification effects on impurities such as suspended matters, supersaturated sulfite, sulfate, heavy metals and the like in the desulfurization wastewater are good, and gas in, utilize the slope of a plurality of breakwaters to arrange, can block the steam that carries in the gas for steam condenses and falls to the precipitation intracavity again, great reduction steam and discharged to the external world.

(2) The equipment for treating industrial desulfurization wastewater by using flue waste gas starts a sewage pump to work by opening a stop valve on a first water pipe, discharges sewage and sediments in a settling chamber into a filtering chamber, then stops the sewage pump to work, closes the stop valve on the first water pipe, filters and separates the sewage and the sediments in the filtering chamber by using a filtering plate, the filtered sewage permeates the filtering plate, the sediments impurities are remained on the filtering plate, heavy metal ions and fine particle impurities in the filtered sewage are further adsorbed and purified by using an activated carbon plate, after the purification is finished, the stop valve on a drain pipe is opened, the purified sewage is discharged from the drain pipe, the stop valve on a third water pipe can be periodically opened, a sludge discharge pump is started to work, the sediments and sludge remained on the filtering plate can be discharged out of the filtering chamber, so that the sediments and sludge remained in the filtering chamber can be conveniently cleaned, but also regularly dismantle down the apron, clean the filter, avoid cleaning the activated carbon plate, the simple operation.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 1.

In the figure: 1. a cabinet body; 2. a sedimentation chamber; 3. a waste pipe; 4. an exhaust gas pipe; 5. a rotating shaft; 6. a stirring rod; 7. a motor; 8. an air outlet pipe; 9. mounting holes; 10. a water baffle; 11. a sewage pump; 12. a first water pipe; 13. a second water pipe; 14. a filter chamber; 15. a filter plate; 16. an activated carbon plate; 17. a drain pipe; 18. a sludge discharge pump; 19. a third water pipe; 20. a drug delivery hole; 21. and (4) end covers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: an apparatus for treating industrial desulfurization wastewater by using flue waste gas comprises a cabinet body 1, a precipitation chamber 2 and a filter chamber 14 are arranged on the cabinet body 1, a waste water pipe 3 and a waste gas pipe 4 are fixedly arranged at the top of the cabinet body 1, the waste water pipe 3 is communicated with the precipitation chamber 2, the bottom end of the waste gas pipe 4 extends into the precipitation chamber 2, a rotating shaft 5 is arranged in the precipitation chamber 2, a stirring rod 6 is fixedly arranged on the rotating shaft 5, a motor 7 and an air outlet pipe 8 are fixedly arranged at the top of the cabinet body 1, the air outlet pipe 8 is communicated with the precipitation chamber 2, a mounting hole 9 is arranged on the inner wall of the top of the precipitation chamber 2, the top end of the rotating shaft 5 extends into the mounting hole 9, the output shaft end of the motor 7 extends into the mounting hole 9 and is fixedly connected with the top end of the rotating shaft 5, a water baffle plate 10 is fixedly arranged in the air outlet pipe 8, a sewage pump, one end fixed mounting that sewage pump 11 was kept away from to first water pipe 12 is on the cabinet body 1, first water pipe 12 is linked together with precipitation chamber 2, the discharge end fixed mounting of sewage pump 11 has second water pipe 13, the one end that sewage pump 11 was kept away from to second water pipe 13 is linked together with filter chamber 14, fixed mounting has filter 15 and active carbon plate 16 in the filter chamber 14, active carbon plate 16 is located the below of filter 15, filter 15 sets up for the slope, one side fixed mounting of the cabinet body 1 has the drain pipe 17 that is located the active carbon plate 16 below, drain pipe 17 is linked together with filter chamber 14, one side fixed mounting that sewage pump 11 was kept away from to the cabinet body 1 has dredge pump 18, the suction end fixed mounting of dredge pump 18 has third water pipe 19, third water pipe 19 is linked together with filter chamber 14, the discharge end fixed mounting of dredge pump 18 has the fourth water pipe.

Seted up on the top inner wall of precipitation chamber 2 and thrown medicine hole 20, it installs end cover 21 to throw medicine hole 20 internal thread, the top of end cover 21 extends to outside throwing medicine hole 20, fixed cover is equipped with the bearing in the pivot 5, the outer lane of bearing and the inner wall fixed connection of mounting hole 9, the quantity of puddler 6 is six, six puddlers 6 are two bisymmetry settings, the quantity of breakwater 10 is a plurality of, a plurality of breakwaters 10 are the slope setting, first water pipe 12, equal fixed mounting has the stop valve on drain pipe 17 and the third water pipe 19, the clearance hole has been seted up on one side inner wall of filter chamber 14, one side fixed mounting of the cabinet body 1 has the apron, apron and clearance hole looks adaptation.

When in use, a control switch and an external power line are fixedly installed on the cabinet body 1, the motor 7, the sewage pump 11, the dredge pump 18, the control switch and the external power line are sequentially and electrically connected to form a closed loop, the control switch can respectively control the start and stop work of the motor 7, the sewage pump 11 and the dredge pump 18, the three stop valves are all in a normally closed state, the cover plate is fixedly installed on the cabinet body 1 through a plurality of screws and can be disassembled, the desulfurization wastewater flows into the precipitation cavity 2 through the wastewater pipe 3, the end cover 21 is unscrewed, a proper amount of flocculating agent is put into the precipitation cavity 2 from the dosing hole 20, the motor 7 is started to work, the motor 7 drives the rotating shaft 5 and the six stirring rods 6 to rotate, so that the desulfurization wastewater and the flocculating agent are fully stirred and mixed by the rotating shaft 5 and the six stirring rods 6 to react, the desulfurization wastewater and the flocculating agent are uniformly mixed to generate flocculating agent precipitate, the waste heat of flue waste gas is used for heating the mixed liquid, so that the mixing of the desulfurization waste water and the flocculating agent can be accelerated to generate flocculent precipitate, the precipitation effect is good, the precipitation and purification effects of impurities such as suspended matters, supersaturated sulfite, sulfate, heavy metals and the like in the desulfurization waste water are good, the gas in the precipitation chamber 2 is discharged through the gas outlet pipe 8, the water vapor carried in the gas can be blocked by utilizing the inclined arrangement of a plurality of water baffle plates 10, the water vapor is condensed and then falls into the precipitation chamber 2, the water vapor is greatly reduced to be discharged to the outside, after the flocculation and precipitation reaction of the desulfurization waste water in the precipitation chamber 2 is finished, the motor 7 is stopped to work, the stop valve on the first water pipe 12 is opened, the sewage pump 11 is started to work, the sewage and the precipitate in the precipitation chamber 2 sequentially pass through the first water pipe 12, the sewage pump 11 and the second water pipe 13 and are discharged, after the sewage and the precipitate in the sedimentation chamber 2 are completely discharged, the operation of the sewage pump 11 is stopped, the stop valve on the first water pipe 12 is closed, the sewage and the precipitate in the filter chamber 14 are filtered and separated by the filter plate 15, the filtered sewage permeates the filter plate 15, the precipitate impurities are remained on the filter plate 15, the heavy metal ions and the fine particle impurities in the filtered sewage are further adsorbed and purified by the activated carbon plate 16, after the purification is finished, the stop valve on the drain pipe 17 is opened, the purified sewage is discharged from the drain pipe 17, after the discharge is finished, the stop valve on the drain pipe 17 is closed, the stop valve on the third water pipe 19 can be periodically opened, the sludge discharge pump 18 is started to work, the precipitate sludge remained on the filter plate 15 can be discharged out of the filter chamber 14, so that the precipitate sludge remained in the filter chamber 14 can be conveniently cleaned, and the lower cover plate can be periodically detached, the filter plate 15 is cleaned and the activated carbon plate 16 is not cleaned, and is easy to handle, while details not described in the present description are well known to a person skilled in the art.

To sum up, the equipment for treating industrial desulfurization wastewater by using flue waste gas has the advantages that when the equipment is used, desulfurization wastewater flows into the precipitation cavity 2 through the wastewater pipe 3, the end cover 21 is unscrewed, a proper amount of flocculating agent is put into the precipitation cavity 2, the motor 7 is started to work, the motor 7 drives the rotating shaft 5 and the six stirring rods 6 to rotate, the desulfurization wastewater and the flocculating agent are fully stirred and mixed by the rotating shaft 5 and the six stirring rods 6 to react, so that the desulfurization wastewater and the flocculating agent are uniformly mixed to generate flocculent precipitates, the flue waste gas is injected into the mixed liquid of the desulfurization wastewater and the flocculating agent through the exhaust pipe 4, the mixed liquid is heated by using the waste heat of the flue waste gas, so that the mixing of the desulfurization wastewater and the flocculating agent can be accelerated to generate the flocculent precipitates, the precipitation effect is good, and the precipitation and purification effects on impurities such as suspended matters, the gas in the sedimentation chamber 2 is discharged through the outlet pipe 8, the water baffles 10 are arranged in an inclined manner, the water vapor carried in the gas can be blocked, the water vapor is condensed and then falls into the sedimentation chamber 2, the water vapor is greatly reduced to be discharged to the outside, the stop valve on the first water pipe 12 is opened, the sewage pump 11 is started to work, the sewage and the precipitate in the sedimentation chamber 2 are discharged into the filter chamber 14, then the sewage pump 11 is stopped to work, the stop valve on the first water pipe 12 is closed, the sewage and the precipitate in the filter chamber 14 are filtered and separated by the filter plate 15, the filtered sewage penetrates through the filter plate 15, the precipitate impurities are remained on the filter plate 15, the activated carbon plate 16 is used for further adsorbing and purifying heavy metal ions and fine particle impurities in the filtered sewage, after the purification is finished, the stop valve on the drain pipe 17 is opened, the purified sewage is discharged from the drain pipe 17, can regularly open the stop valve on the third water pipe 19, start the 18 work of sludge pump, can discharge the deposit mud that persists on the filter 15 outside the filter chamber 14 to be convenient for clear up the deposit mud that persists in the filter chamber 14, still can regularly dismantle down the apron, clean filter 15, avoid cleaning activated carbon plate 16, the simple operation, the utility model relates to a rationally, the simple operation, the waste heat that can rational utilization flue waste gas heats desulfurization waste water, and is effectual to desulfurization waste water's purification treatment, and the treatment effeciency is high, and economical and practical practices thrift the cost.

Claims

1. The utility model provides an utilize flue waste gas treatment industry desulfurization waste water's equipment, includes cabinet body (1), its characterized in that: the improved kitchen cabinet is characterized in that a precipitation chamber (2) and a filter chamber (14) are formed in the cabinet body (1), a waste water pipe (3) and a waste gas pipe (4) are fixedly mounted at the top of the cabinet body (1), the waste water pipe (3) is communicated with the precipitation chamber (2), the bottom end of the waste gas pipe (4) extends into the precipitation chamber (2), a rotating shaft (5) is arranged in the precipitation chamber (2), a stirring rod (6) is fixedly mounted on the rotating shaft (5), a motor (7) and an air outlet pipe (8) are fixedly mounted at the top of the cabinet body (1), the air outlet pipe (8) is communicated with the precipitation chamber (2), a mounting hole (9) is formed in the inner wall of the top of the precipitation chamber (2), the top end of the rotating shaft (5) extends into the mounting hole (9), the output shaft end of the motor (7) extends into the mounting hole (9) and is fixedly connected with the top end of the rotating shaft, a sewage pump (11) is fixedly installed on one side of the cabinet body (1), a first water pipe (12) is fixedly installed at the suction end of the sewage pump (11), one end, far away from the sewage pump (11), of the first water pipe (12) is fixedly installed on the cabinet body (1), the first water pipe (12) is communicated with the sedimentation chamber (2), a second water pipe (13) is fixedly installed at the discharge end of the sewage pump (11), one end, far away from the sewage pump (11), of the second water pipe (13) is communicated with the filtering chamber (14), a filtering plate (15) and an activated carbon plate (16) are fixedly installed in the filtering chamber (14), the activated carbon plate (16) is located below the filtering plate (15), the filtering plate (15) is obliquely arranged, a drain pipe (17) located below the activated carbon plate (16) is fixedly installed on one side of the cabinet body (1), the drain pipe (17) is communicated with the filtering chamber (14), a sludge discharge pump (18) is fixedly installed on one side, far away from the sewage pump (11, a third water pipe (19) is fixedly arranged at the suction end of the sludge discharge pump (18), the third water pipe (19) is communicated with the filter cavity (14), and a fourth water pipe is fixedly arranged at the discharge end of the sludge discharge pump (18).

2. The apparatus for treating industrial desulfurization waste water using flue gas according to claim 1, characterized in that: the top inner wall of the precipitation cavity (2) is provided with a drug feeding hole (20), an end cover (21) is installed in the drug feeding hole (20) in a threaded mode, and the top end of the end cover (21) extends out of the drug feeding hole (20).

3. The apparatus for treating industrial desulfurization waste water using flue gas according to claim 1, characterized in that: the rotating shaft (5) is fixedly sleeved with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the mounting hole (9).

4. The apparatus for treating industrial desulfurization waste water using flue gas according to claim 1, characterized in that: the number of the stirring rods (6) is six, and the six stirring rods (6) are arranged in a pairwise symmetrical mode.

5. The apparatus for treating industrial desulfurization waste water using flue gas according to claim 1, characterized in that: the number of the water baffles (10) is multiple, and the water baffles (10) are all obliquely arranged.

6. The apparatus for treating industrial desulfurization waste water using flue gas according to claim 1, characterized in that: stop valves are fixedly mounted on the first water pipe (12), the drain pipe (17) and the third water pipe (19).

7. The apparatus for treating industrial desulfurization waste water using flue gas according to claim 1, characterized in that: a cleaning hole is formed in the inner wall of one side of the filter cavity (14), a cover plate is fixedly mounted on one side of the cabinet body (1), and the cover plate is matched with the cleaning hole.