Sewage treatment device for gas-fired boiler

Abstract

The utility model provides a gas boiler blow-down water treatment device which comprises a box body, the top wall of the box body is fixedly connected with a feeding pipe communicated with the interior of the box body, the top wall of the feeding pipe is rotatably connected with a cover plate, the inner wall of the box body is slidably connected with a filter screen plate, and the inner wall of the box body is fixedly connected with supporting rods symmetrically distributed about the central axis of the box body. The filter screen plate is arranged above the supporting rod and matched with the feeding pipe, a cleaning assembly is arranged on the inner wall of the box body and matched with the filter screen plate, an adjusting assembly is arranged on the outer wall of the box body and adjusts the cleaning angle of the cleaning assembly, and an unloading assembly is fixedly connected to the outer wall of the box body. The unloading assembly is matched with the cleaning assembly, and a silt discharging assembly is arranged on the bottom wall of the box body. According to the utility model, the filter screen plate can be automatically cleaned, damage to the filter screen plate and influence on the filtering effect can be avoided, solid residues in sewage can be automatically collected and discharged, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler sewage treatment, in particular to a gas boiler sewage treatment device. Background Art

[0002] Boilers are classified according to their uses into power station boilers, industrial boilers, domestic boilers and special boilers, especially gas boilers used in thermal power plants and gas boilers used in various industrial production of textiles, printing and dyeing, and pharmaceuticals. A large amount of sewage will be discharged during operation. If not treated in time, it will pollute rivers and soil.

[0003] After searching, in the prior art, a Chinese patent with patent application number CN 215250082 U discloses a sewage treatment device for a boiler, including a treatment box and a stirring assembly; a liquid inlet is arranged on the top of the treatment box; a feeding port is arranged on the outer wall of the treatment box; the feeding port is communicated with the inside of the treatment box; a support frame is fixedly connected to the bottom of the treatment box; a first motor is fixedly connected to the top of the support frame; the output end of the first motor passes through the inner wall of the lower end of the treatment box and is fixedly connected to the stirring assembly; the stirring assembly is arranged inside the treatment box; the stirring assembly includes a rotating shaft, a stirring rod, a first slide groove, a first spring and a telescopic rod; the end of the rotating shaft is fixedly connected to the output end of the first motor; the stirring rod is fixedly connected to the outer wall of the rotating shaft; the first slide groove is opened inside the stirring rod, but the following defects still exist:

[0004] (1) In the above patent document, the filter residue blocked on the filter surface is cleaned by pushing the filter screen to vibrate by a cam. During the vibration, some hard filter residue will collide with the filter screen surface, which may damage the filter screen and reduce the filtering effect;

[0005] In the above patent document, the filter residue after secondary filtration is accumulated on the surface of the filter screen, and the staff needs to clean it manually, which increases the labor intensity of the staff.

[0006] Therefore, we make improvements to this and propose a gas boiler wastewater treatment device. Utility Model Content

[0007] The purpose of the utility model is to: in view of the above-mentioned existing patent documents, a cam is used to push the filter screen to vibrate to clean the filter residue blocked on the surface of the filter screen. During the vibration, some hard filter residue will collide with the surface of the filter screen, which may damage the filter screen and reduce the filtering effect. In the above-mentioned patent documents, the filter residue after secondary filtration is accumulated on the surface of the filter screen, and the staff needs to clean it manually, which increases the labor intensity of the staff.

[0008] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0009] A gas boiler sewage treatment device comprises a box body, the top wall of the box body is fixedly connected with a feed pipe communicating with the inside of the box body, the top wall of the feed pipe is rotatably connected with a cover plate, the inner wall of the box body is slidably connected with a filter screen plate, the inner wall of the box body is fixedly connected with support rods symmetrically distributed about the central axis of the box body, the filter screen plate is arranged above the support rod, the filter screen plate and the feed pipe cooperate with each other, the inner wall of the box body is provided with a cleaning component, the cleaning component and the filter screen plate cooperate with each other, the outer wall of the box body is provided with an adjustment component, the adjustment component adjusts the cleaning angle of the cleaning component, the outer wall of the box body is fixedly connected with an unloading component, the unloading component and the cleaning component cooperate with each other, and the bottom wall of the box body is provided with a silt discharge component.

[0010] As a preferred technical solution of the utility model, the cleaning assembly includes a water pump fixedly connected to the outer wall of the box body, a water tank fixedly connected to the outer wall of the box body, and a guide tube rotatably connected to the inner wall of the box body and symmetrically distributed about the central axis of the box body, the guide tube extends to the outside of the box body at one end away from the water pump, the top wall of the water pump is fixedly connected to a water supply pipe, the bottom wall of the water pump is fixedly connected to a water suction pipe, the water pump cooperates with the water tank through the water suction pipe, the water pump cooperates with the guide tube through the water supply pipe, and the outer wall of the guide tube is fixedly connected to evenly arranged nozzles.

[0011] As a preferred technical solution of the utility model, the adjustment component includes a hydraulic rod telescopic end fixedly connected to the outer wall of the box body, fixedly connected to a linkage arm rotatably connected to the hydraulic rod center axis symmetrically distributed, and the hydraulic rod cooperates with the guide tube through the linkage arm.

[0012] As a preferred technical solution of the utility model, the unloading assembly includes a bellows fixedly connected to the outer wall of the box body, a discharge port opened on the outer wall of the box body and symmetrically distributed about the central axis of the box body, and a sealing baffle slidably connected to the outer wall of the box body and corresponding to the discharge port, the sealing baffle is tightly fitted to the outer wall of the box body, the inner wall of the bellows is fixedly connected to a fan, the bottom wall of the bellows is fixedly connected to an air duct symmetrically distributed about the central axis of the bellows, and the fan cooperates with the discharge port through the air duct.

[0013] As an optimal technical solution of the utility model, the silt discharge component includes a sedimentation tank opened on the bottom wall of the box body, the bottom wall of the sedimentation tank is fixedly connected to a stirring motor, the bottom wall of the sedimentation tank is fixedly connected to an electromagnetic silt discharge valve, and a drain valve fixedly connected to the bottom wall of the box body, the output end of the stirring motor extends through the bottom wall of the sedimentation tank to the inside of the box body, the output end of the stirring motor is fixedly connected to a stirring plate, and the stirring plate and the electromagnetic silt discharge valve cooperate with each other.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] In the solution of the utility model:

[0016] 1. The linkage arm is pushed by the hydraulic rod to realize the linkage arm driving the guide pipe to rotate. When the nozzle on the guide pipe rotates to the set angle, the water pump is started. The water pump draws water from the water tank into the guide pipe through the water pumping pipe and the water delivery pipe, and finally passes through the nozzle to the filter screen, realizing the automatic cleaning of the filter screen. This solves the problem that in the prior art, the filter screen is cleaned by the cam to vibrate the filter screen, and some hard filter residues will collide with the filter screen surface during vibration, which may damage the filter screen and reduce the filtering effect.

[0017] 2. By setting up the removal of the sealing baffle, the fan is started to generate a high-speed airflow, which enters the box through the air duct and blows toward the filtered residue and cleaned particulate matter. The residue and particulate matter are discharged from the box through the discharge port, thereby realizing the centralized treatment of solids in boiler sewage and solving the problem in the prior art that the filter residue after secondary filtration accumulates on the filter surface, which requires manual cleaning by the staff, increasing the labor intensity of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a gas boiler wastewater treatment device provided by the utility model;

[0019] Figure 2 This is one of the cross-sectional structural schematic diagrams of a gas boiler wastewater treatment device provided by the utility model;

[0020] Figure 3 The second schematic cross-sectional structure diagram of a gas boiler wastewater treatment device provided by the utility model;

[0021] Figure 4 This is a third schematic cross-sectional structure diagram of a gas boiler wastewater treatment device provided by the utility model.

[0022] Indicated in the figure:

[0023] 1. Box body; 11. Feed pipe; 12. Cover plate; 2. Support rod; 21. Filter screen; 3. Water pump; 31. Water pipe; 32. Suction pipe; 33. Water tank; 34. Guide pipe; 35. Nozzle; 4. Hydraulic rod; 41. Linkage arm; 5. Bellows; 51. Air guide pipe; 52. Fan; 53. Discharge port; 54. Sealing baffle; 6. Sedimentation tank; 61. Stirring motor; 62. Stirring plate; 63. Solenoid silt drain valve; 64. Drain valve. DETAILED DESCRIPTION

[0024] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0025] like Figure 1 and Figure 4 As shown, this embodiment proposes a gas boiler wastewater treatment device, including a box body 1, a feed pipe 11 communicating with the inside of the box body 1 is fixedly connected to the top wall of the box body 1, a cover plate 12 is rotatably connected to the top wall of the feed pipe 11, a filter screen plate 21 is slidably connected to the inner wall of the box body 1, and a support rod 2 symmetrically distributed about the central axis of the box body 1 is fixedly connected to the inner wall of the box body 1, the filter screen plate 21 is arranged above the support rod 2, the filter screen plate 21 cooperates with the feed pipe 11, and a cleaning component is arranged on the inner wall of the box body 1, and the cleaning component and the filter screen The plates 21 cooperate with each other, and an adjusting component is provided on the outer wall of the box body 1. The adjusting component adjusts the cleaning angle of the cleaning component. An unloading component is fixedly connected to the outer wall of the box body 1. The unloading component and the cleaning component cooperate with each other. A sludge discharge component is provided on the bottom wall of the box body 1 to discharge the sewage in the boiler into the box body 1 through the feed port. The sewage is filtered on the surface of the filter mesh plate 21, and the particulate residue in the sewage is filtered out through the filter mesh plate 21. The filtered sewage filtrate is deposited at the bottom of the box body 1 under the action of gravity, thereby completing the separation of the solid and liquid components of the sewage.

[0026] like Figure 1 , Figure 2 and Figure 3 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the cleaning component includes a water pump 3 fixedly connected to the outer wall of the box body 1, a water tank 33 fixedly connected to the outer wall of the box body 1, and a guide pipe 34 rotatably connected to the inner wall of the box body 1 and symmetrically distributed about the central axis of the box body 1, the guide pipe 34 extends to the outside of the box body 1 away from the end of the water pump 3, the top wall of the water pump 3 is fixedly connected to a water pipe 31, and the bottom wall of the water pump 3 is fixedly connected to a suction pipe 32. The water pump 3 cooperates with the water tank 33 through the suction pipe 32, and the water pump 3 cooperates with the guide pipe 34 through the water pipe 31. The outer wall of the guide pipe 34 is fixedly connected with uniformly arranged nozzles 35. The water pump 3 draws water in the water tank 33 into the guide pipe 34 through the suction pipe 32 and the water pipe 31, and finally passes through the nozzle 35 to the filter screen 21, so as to realize automatic cleaning of the filter screen 21.

[0027] like Figure 1 and Figure 2 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the adjustment component includes a hydraulic rod 4 fixedly connected to the outer wall of the box body 1, the telescopic end of which is fixedly connected to a linkage arm 41 rotatably connected and symmetrically distributed about the central axis of the hydraulic rod 4, the hydraulic rod 4 cooperates with the guide tube 34 through the linkage arm 41, and the linkage arm 41 is pushed by adjusting the hydraulic rod 4 to realize that the linkage arm 41 drives the guide tube 34 to rotate.

[0028] like Figure 1 and Figure 2As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the unloading component includes a bellows 5 fixedly connected to the outer wall of the box body 1, a discharge port 53 opened on the outer wall of the box body 1 and symmetrically distributed about the central axis of the box body 1, and a sealing baffle 54 slidably connected to the outer wall of the box body 1 and corresponding to the discharge port 53, the sealing baffle 54 is tightly fitted with the outer wall of the box body 1, the inner wall of the bellows 5 is fixedly connected to a fan 52, and the bottom wall of the bellows 5 is fixedly connected to an air duct 51 symmetrically distributed about the central axis of the bellows 5, the fan 52 cooperates with the discharge port 53 through the air duct 51, the sealing baffle 54 is removed, and the fan 52 is started to generate a high-speed airflow, the high-speed airflow enters the box body 1 through the air duct 51 and blows toward the filtered slag and the cleaned particulate matter, the slag and the particulate matter are discharged from the box body 1 through the discharge port 53, and the centralized treatment of solids in boiler sewage is completed.

[0029] like Figure 1 , Figure 3 and Figure 4 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the silt discharge component includes a sedimentation tank 6 opened on the bottom wall of the box body 1 and a drain valve 64 fixedly connected to the bottom wall of the box body 1, a stirring motor 61 is fixedly connected to the bottom wall of the sedimentation tank 6, and an electromagnetic silt discharge valve 63 is fixedly connected to the bottom wall of the sedimentation tank 6. The output end of the stirring motor 61 extends through the bottom wall of the sedimentation tank 6 to the inside of the box body 1, and the output end of the stirring motor 61 is fixedly connected to a stirring plate 62. The stirring plate 62 and the electromagnetic silt discharge valve 63 cooperate with each other. By adding flocculant to the box body 1 and starting the stirring motor 61 to drive the stirring plate 62 to rotate, the sewage and the flocculant are fully mixed, and then the stirring is stopped. After the sewage is left to stand for a period of time, precipitation begins to occur in the sewage. The precipitate is deposited at the bottom of the sedimentation tank 6 due to gravity, and clear liquid appears above the precipitate. The clear liquid on the top of the precipitate is discharged from the box body 1 through the drain valve 64, and the precipitate deposited on the bottom wall of the sedimentation tank 6 is discharged from the box body 1 through the silt discharge valve, thereby completing the purification of the boiler sewage.

[0030] Specifically, when the device is in use: open the cover plate 12, discharge the sewage in the boiler into the box body 1 through the feed port, the sewage is filtered on the surface of the filter screen plate 21, and the granular material residue in the sewage is filtered out through the filter screen plate 21. The filtered sewage filtrate is deposited at the bottom of the box body 1 by gravity, completing the separation of the solid and liquid components of the sewage. By adding flocculant to the box body 1 and starting the stirring motor 61 to drive the stirring plate 62 to rotate, the sewage and the flocculant are fully mixed, and then the stirring is stopped. After the sewage is left to stand for a period of time, precipitation begins to appear in the sewage. The precipitate is deposited at the bottom of the sedimentation tank 6 by gravity, and the clear liquid appears above the precipitate. The clear liquid on the top of the precipitate is discharged from the box body 1 through the drain valve 64, and the precipitate deposited at the bottom of the sedimentation tank 6 is discharged through the silt discharge valve. The sediment on the wall is discharged from the box body 1, and the boiler sewage is purified. When the filter screen plate 21 is blocked by particulate matter, the linkage arm 41 is pushed by adjusting the hydraulic rod 4 to realize the linkage arm 41 driving the guide pipe 34 to rotate. When the nozzle 35 on the guide pipe 34 rotates to the set angle, the water pump 3 is started. The water pump 3 draws the water in the water tank 33 into the guide pipe 34 through the suction pipe 32 and the water pipe 31, and finally passes through the nozzle 35 to the filter screen plate 21 to realize automatic cleaning of the filter screen plate 21, remove the sealing baffle 54, and start the fan 52 to generate a high-speed airflow. The high-speed airflow enters the box body 1 through the air guide pipe 51 and blows to the filtered material residue and the cleaned particulate matter. The material residue and the particulate matter are discharged from the box body 1 through the discharge port 53, and the solid centralized treatment in the boiler sewage is completed.

[0031] All technical features in this embodiment can be freely combined according to actual needs.

[0032] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A gas boiler wastewater treatment device, comprising a housing (1), characterized in that: The top wall of the box body (1) is fixedly connected to a feed pipe (11) which is in communication with the inside of the box body (1); the top wall of the feed pipe (11) is rotatably connected to a cover plate (12); the inner wall of the box body (1) is slidably connected to a filter screen plate (21); the inner wall of the box body (1) is fixedly connected to a support rod (2) which is symmetrically distributed about the central axis of the box body (1); the filter screen plate (21) is arranged above the support rod (2); the filter screen plate (21) and the feed pipe (11) cooperate with each other; the inner wall of the box body (1) is provided with a cleaning component; the cleaning component and the filter screen plate (21) cooperate with each other; the outer wall of the box body (1) is provided with an adjustment component; the adjustment component adjusts the cleaning angle of the cleaning component; the outer wall of the box body (1) is fixedly connected to an unloading component; the unloading component and the cleaning component cooperate with each other; and the bottom wall of the box body (1) is provided with a sludge discharge component.

2. A gas boiler wastewater treatment device according to claim 1, characterized in that: The cleaning assembly comprises a water pump (3) fixedly connected to the outer wall of the box body (1), a water tank (33) fixedly connected to the outer wall of the box body (1), and a guide pipe (34) rotatably connected to the inner wall of the box body (1) and symmetrically distributed about the central axis of the box body (1); one end of the guide pipe (34) away from the water pump (3) extends toward the outside of the box body (1); a water delivery pipe (31) is fixedly connected to the top wall of the water pump (3); a water extraction pipe (32) is fixedly connected to the bottom wall of the water pump (3); the water pump (3) cooperates with the water tank (33) via the water extraction pipe (32); the water pump (3) cooperates with the guide pipe (34) via the water delivery pipe (31); and the outer wall of the guide pipe (34) is fixedly connected to uniformly arranged nozzles (35).

3. A gas boiler wastewater treatment device according to claim 1, characterized in that: The adjustment assembly comprises a hydraulic rod (4) fixedly connected to the outer wall of the box body (1), the telescopic end of which is fixedly connected to a linkage arm (41) rotatably connected and symmetrically distributed about the central axis of the hydraulic rod (4), and the hydraulic rod (4) cooperates with the guide tube (34) through the linkage arm (41).

4. A gas boiler wastewater treatment device according to claim 1, characterized in that: The unloading assembly comprises a bellows (5) fixedly connected to the outer wall of the box body (1), a discharge port (53) opened on the outer wall of the box body (1) and symmetrically distributed about the central axis of the box body (1), and a sealing baffle (54) slidably connected to the outer wall of the box body (1) and corresponding to the discharge port (53), wherein the sealing baffle (54) is tightly fitted with the outer wall of the box body (1), a fan (52) is fixedly connected to the inner wall of the bellows (5), and an air guide pipe (51) is fixedly connected to the bottom wall of the bellows (5) and symmetrically distributed about the central axis of the bellows (5), and the fan (52) cooperates with the discharge port (53) through the air guide pipe (51).

5. A gas boiler wastewater treatment device according to claim 1, characterized in that: The silt discharge assembly comprises a sedimentation tank (6) provided on the bottom wall of the box body (1), and a drainage valve (64) fixedly connected to the bottom wall of the box body (1); a stirring motor (61) is fixedly connected to the bottom wall of the sedimentation tank (6); and an electromagnetic silt discharge valve (63) is fixedly connected to the bottom wall of the sedimentation tank (6); an output end of the stirring motor (61) passes through the bottom wall of the sedimentation tank (6) and extends toward the inside of the box body (1); a stirring plate (62) is fixedly connected to the output end of the stirring motor (61); and the stirring plate (62) and the electromagnetic silt discharge valve (63) cooperate with each other.

Images