Desulfurization and denitrification wastewater zero discharge device

Abstract

The utility model discloses a desulfurization and denitrification wastewater zero discharge device, which relates to the technical field of wastewater treatment, and comprises a treatment device, the treatment device is connected with a pipeline, the free end of the pipeline is connected with adding equipment, the adding equipment is used for adding sodium carbonate to the treatment equipment, and the adding equipment comprises an adding box connected with the pipeline. A smashing wheel used for smashing blocky sodium carbonate is rotationally arranged in the adding box, a sliding plate used for adjusting the falling position of the sodium carbonate is arranged below the smashing wheel, a filter screen used for filtering the sodium carbonate is arranged below the sliding plate, and auxiliary equipment is arranged on the sliding plate and used for assisting the calcium carbonate in passing through the filter screen. The auxiliary equipment comprises a sliding frame which is clamped on the sliding plate in a sliding manner, and a screw rod for driving the sliding frame to transversely move penetrates through the sliding frame in a threaded manner, so that sodium carbonate can be crushed, subsequent use is facilitated, a blocked filter screen is conveniently dredged, and the sodium carbonate filtering efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a desulfurization and denitrification wastewater zero discharge device. Background Art

[0002] The zero-discharge treatment device for desulfurization and denitrification wastewater is a supporting equipment for wastewater treatment operations. The existing desulfurization and denitrification wastewater is discharged to the park sewage treatment plant for treatment after simple coagulation, sedimentation and filtration. With the continuous development of science and technology, people have higher and higher requirements for the manufacturing process of zero-discharge treatment devices for desulfurization and denitrification wastewater.

[0003] In the prior art, a utility model patent with publication number CN214192868U provides a zero-emission treatment device for desulfurization and denitrification wastewater, including a desulfurization and denitrification wastewater pool, a regulating pool, a sedimentation pool, a sand filter pool, a cationic bed, a nanofiltration pool, a reverse osmosis reactor, a produced water reuse pool, a No. 1 reaction pool, and a No. 2 reaction pool. The desulfurization and denitrification wastewater pool is connected to the regulating pool, the regulating pool is connected to the No. 1 reaction pool, the No. 1 reaction pool is connected to a flocculant addition box and a sedimentation tank, the sedimentation tank is connected to a filter press desludging box and the No. 2 reaction pool, the filter press desludging box is connected to a calcium sulfate pool, the No. 2 reaction pool is connected to a sodium carbonate addition box and a sand filter pool, and the sand filter pool is connected to a cationic bed.

[0004] The zero-discharge treatment device for desulfurization and denitrification wastewater does not provide the specific structure of the sodium carbonate addition box, and fails to crush and filter the sodium carbonate, resulting in inconvenience for subsequent use. Therefore, we propose a zero-discharge device for desulfurization and denitrification wastewater to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a desulfurization and denitrification wastewater zero discharge device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a zero-discharge device for desulfurization and denitrification wastewater, comprising a treatment device, the treatment device is connected to a pipeline, the free end of the pipeline is connected to an adding device, the adding device is used to add sodium carbonate to the treatment device, the adding device comprises an adding box connected to the pipeline, a crushing wheel for crushing blocky sodium carbonate is rotatably provided in the adding box, a slide plate for adjusting the falling position of sodium carbonate is provided below the crushing wheel, a filter screen for filtering sodium carbonate is provided below the slide plate, and auxiliary equipment is provided on the slide plate.

[0007] Preferably, the auxiliary equipment is used to assist calcium carbonate to pass through the filter.

[0008] Preferably, the auxiliary equipment comprises a sliding frame slidably connected to the slide plate, a screw threaded through the sliding frame for driving the sliding frame to move horizontally, a roller rotatably connected to the bottom end of the sliding frame, and a protrusion rotatably inserted into the filter hole of the filter screen is provided on the roller.

[0009] Preferably, an opening is provided at the top of the adding box for adding sodium carbonate into the adding box, the bottom of the adding box is an inclined surface, and the bottom of the adding box is connected to a pipeline.

[0010] Preferably, the crushing wheels are provided with two groups symmetrically distributed in the adding box, and the crushing wheel driving motor is arranged on the outer wall of the adding box.

[0011] Preferably, the slide plates are provided with two groups symmetrically arranged in the adding box, the slide plates are arranged obliquely in the adding box, and the filter hole size of the filter screen is larger than the size of the protrusion.

[0012] Preferably, one end of the screw is rotatably connected to the adding box, and the other end is rotatably passed through the adding box and connected to the driving motor. The screw driving motor is arranged on the outer wall of the adding box, and the protrusion is a nail ring structure.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Pour the sodium carbonate between the two groups of crushing wheels. The crushing wheels rotate to crush the sodium carbonate. The crushed sodium carbonate falls onto the slide plate and is guided to the center area of ​​the filter screen through the slide plate. After being filtered through the filter screen, the sodium carbonate falls to the bottom of the adding box and slides into the pipeline through the inclined surface at the bottom of the adding box to be transported to the processing device, so that the sodium carbonate can be crushed for subsequent use.

[0015] 2. When the filter is clogged, the screw is driven, and the screw rotates to thread the sliding frame, and the sliding frame slides horizontally on the slide plate, pushing the roller to follow the movement. When the roller moves, the protrusions are inserted into the filter holes of the filter, which makes the roller rotate. The rotation of the roller causes the protrusions to rotate and insert into the filter holes of the filter in turn, unclogging the clogged filter, making it easier to unblock the clogged filter and improving the efficiency of filtering sodium carbonate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the added part in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the auxiliary equipment in the utility model.

[0019] In the figure: 1. processing device; 2. pipeline; 3. adding equipment; 31. adding box; 32. crushing wheel; 33. slide plate; 34. filter screen; 4. auxiliary equipment; 41. sliding frame; 42. screw; 43. roller; 44. bump. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 3 A zero-discharge device for desulfurization and denitrification wastewater comprises a treatment device 1, which comprises a desulfurization and denitrification wastewater pool, a regulating pool, a flocculant addition box, a sedimentation tank, a sand filter pool, a cationic bed, a nanofiltration pool, a reverse osmosis reactor, a produced water reuse pool, a No. 1 reaction pool, a filter press desludging box, a calcium sulfate pool, a No. 2 reaction pool, an ammonium sulfate solid pool, an evaporation crystallization pool, an ammonium sulfate solution pool, a brine recovery pool and a deammonification membrane pool, which are prior arts.

[0022] The processing device 1 is connected to a pipeline 2, and a adding device 3 is connected to the free end of the pipeline 2. The adding device 3 is used to add sodium carbonate to the processing device. The adding device 3 includes an adding box 31 connected to the pipeline 2. A crushing wheel 32 for crushing blocky sodium carbonate is rotatably provided in the adding box 31. A slide plate 33 for adjusting the falling position of sodium carbonate is provided below the crushing wheel 32. A filter screen 34 for filtering sodium carbonate is provided below the slide plate 33. An opening is provided at the top of the adding box 31 for adding sodium carbonate into the adding box 31. The bottom of the adding box 31 is an inclined surface. The bottom of the adding box 31 is connected to the pipeline 2. Two groups of crushing wheels 32 are symmetrically distributed in the adding box 31. The driving motor of the crushing wheel 32 is provided on the outer wall of the adding box 31. Two groups of slide plates 33 are symmetrically arranged in the adding box 31. The slide plate 33 is tilted in the adding box 31. The filter hole size of the filter screen 34 is larger than the size of the protrusion 44.

[0023] Sodium carbonate is poured between two groups of crushing wheels 32. The crushing wheels 32 rotate to crush the sodium carbonate. The crushed sodium carbonate falls onto the slide plate 33 and is guided to the central area of ​​the filter screen 34 through the slide plate 33. The sodium carbonate is filtered by the filter screen 34 and falls to the bottom of the adding box 31. It slides into the pipeline 2 through the inclined surface at the bottom of the adding box 31 and is transported to the processing device 1, so that the sodium carbonate can be crushed for subsequent use.

[0024] An auxiliary device 4 is provided on the slide plate 33, and the auxiliary device 4 is used to assist calcium carbonate to pass through the filter screen 34. The auxiliary device 4 includes a sliding frame 41 that is slidably connected to the back side of the slide plate 33. A screw 42 for driving the sliding frame 41 to move horizontally is threaded through the sliding frame 41. A roller 43 is rotatably connected to the bottom end of the sliding frame 41. A protrusion 44 for rotatably inserting into the filter hole of the filter screen 34 is provided on the roller 43. One end of the screw 42 is rotatably connected to the addition box 31, and the other end is rotatably penetrated through the addition box 31 and connected to the drive motor. The screw 42 drive motor is arranged on the outer wall of the addition box 31. A group of drive motors can be arranged on the sliding frame 41 to drive the roller 43 to rotate, and the protrusion 44 is a nail ring structure.

[0025] When the filter 34 is clogged, the screw 42 is driven, and the screw 42 rotates to be threadedly connected to the sliding frame 41. The sliding frame 41 slides horizontally on the slide plate 33, pushing the roller 43 to follow the movement. When the roller 43 moves, the protrusion 44 is inserted into the filter hole of the filter 34, so that the roller 43 rotates. The rotation of the roller 43 causes the protrusion 44 to rotate and insert into the filter hole of the filter 34 in turn, thereby unclogging the clogged filter 34, making it easier to unblock the clogged filter 34 and improving the efficiency of filtering sodium carbonate.

[0026] Working principle: The utility model pours sodium carbonate between two groups of crushing wheels 32, and the crushing wheels 32 rotate to crush the sodium carbonate. The crushed sodium carbonate falls onto the slide plate 33, and is guided to the central area of ​​the filter screen 34 through the slide plate 33. After the sodium carbonate is filtered by the filter screen 34, it falls to the bottom of the adding box 31, and slides into the pipeline 2 through the inclined surface at the bottom of the adding box 31 and is transported to the processing device 1, so that the sodium carbonate can be crushed, which is convenient for subsequent use. When the filter screen 34 is blocked, the screw rod 42 is driven, and the screw rod 42 rotates to be threadedly connected to the sliding frame 41, and the sliding frame 41 slides horizontally on the slide plate 33, pushing the roller 43 to follow and move. When the roller 43 moves, the protrusion 44 is inserted into the filter hole of the filter screen 34, so that the roller 43 rotates. The rotation of the roller 43 causes the protrusion 44 to rotate and insert into the filter hole of the filter screen 34 in turn, unblocking the blocked filter screen 34, making it easy to unblock the blocked filter screen 34, thereby improving the efficiency of filtering sodium carbonate.

[0027] The connection relationship and workflow of the various components in the processing device 1 are all prior art and will not be described in detail here.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A zero-discharge device for desulfurization and denitrification wastewater, comprising a treatment device (1), characterized in that: The processing device (1) is connected to a pipeline (2), and a free end of the pipeline (2) is connected to an adding device (3), and the adding device (3) is used to add sodium carbonate to the processing device. The adding device (3) comprises an adding box (31) connected to the pipeline (2), and a crushing wheel (32) for crushing blocky sodium carbonate is rotatably arranged in the adding box (31), a slide plate (33) for adjusting the falling position of sodium carbonate is arranged below the crushing wheel (32), a filter screen (34) for filtering sodium carbonate is arranged below the slide plate (33), and an auxiliary device (4) is arranged on the slide plate (33).

2. The zero discharge device for desulfurization and denitrification wastewater according to claim 1 is characterized in that: The auxiliary device (4) is used to assist calcium carbonate to pass through the filter screen (34).

3. The zero discharge device for desulfurization and denitrification wastewater according to claim 2 is characterized in that: The auxiliary device (4) comprises a sliding frame (41) slidably clamped on the slide plate (33), a screw rod (42) for driving the sliding frame (41) to move horizontally is threadedly penetrated on the sliding frame (41), a roller (43) is rotatably connected to the bottom end of the sliding frame (41), and a protrusion (44) for rotatably inserting into the filter hole of the filter screen (34) is provided on the roller (43).

4. The zero discharge device for desulfurization and denitrification wastewater according to claim 1 is characterized in that: The top of the adding box (31) is provided with an opening for adding sodium carbonate into the adding box (31), the bottom of the adding box (31) is an inclined surface, and the bottom of the adding box (31) is connected to the pipeline (2).

5. The zero discharge device for desulfurization and denitrification wastewater according to claim 1 is characterized in that: The crushing wheels (32) are provided with two groups symmetrically distributed in the adding box (31), and the driving motor of the crushing wheels (32) is arranged on the outer wall of the adding box (31).

6. The zero discharge device for desulfurization and denitrification wastewater according to claim 1 is characterized in that: The slide plates (33) are provided with two groups symmetrically arranged in the adding box (31), the slide plates (33) are arranged obliquely in the adding box (31), and the filter hole size of the filter screen (34) is larger than the size of the protrusion (44).

7. The zero discharge device for desulfurization and denitrification wastewater according to claim 3 is characterized in that: One end of the screw rod (42) is rotatably connected to the adding box (31), and the other end is rotatably passed through the adding box (31) and connected to the driving motor. The driving motor of the screw rod (42) is arranged on the outer wall of the adding box (31), and the protrusion (44) is a nail ring structure.

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