Waste heat boiler blowdown system

Abstract

The invention discloses a waste heat boiler blowdown system, and belongs to the technical field of blowdown treatment, the waste heat boiler blowdown system comprises a boiler barrel main body, a stirring assembly is arranged in the boiler barrel main body, and a filtering assembly is mounted at the bottom of the boiler barrel main body; the stirring assembly comprises a rotating column transversely arranged in the boiler barrel body, and a motor is fixedly installed on one side of the boiler barrel body through a machine base. According to the implementation mode, the motor is started, and the output end of the motor drives the rotating column to rotate, so that the fixing rod is driven to rotate synchronously, the two sets of scraping plates are driven to be attached to the inner wall of the boiler barrel body to conduct rotary scraping, and it is prevented that scales generated after sewage reacts with drugs are attached to the inner wall of the boiler barrel body, and follow-up pollution discharge treatment is affected; the water scale in the sewage is separated from water by using the filter screen, so that the further treatment difficulty of the obtained wastewater is reduced, the separated wastewater can be continuously used in the boiler after being simply treated, the utilization rate of the wastewater is improved, and the water resource is saved.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment, and in particular to a sewage treatment system for a waste heat boiler. Background Art

[0002] Waste heat boilers are boilers that use the waste heat from waste gas, waste materials or waste liquids in various industrial processes and the heat generated by the combustion of combustible materials to heat water to a certain temperature. Oil-fired boilers, gas-fired boilers and coal-fired boilers with smoke boxes and flue waste heat recovery are also called waste heat boilers. Waste heat boilers can produce hot water or steam through waste heat recovery to supply other sections.

[0003] An existing patent (Announcement No.: CN217627951U) discloses a waste heat boiler dosing sewage treatment device, which filters the sewage discharged from the waste heat boiler through a filtering mechanism, thereby facilitating its treatment, effectively reducing the impact of solid debris in the sewage on sewage treatment, and improving sewage treatment efficiency.

[0004] However, the above technical solution still has certain defects. The above device filters the solid debris in the sewage by setting a filter screen to reduce the impact of the solid debris on sewage treatment. The sewage is then stirred in the box and fully mixed with the medicine to react. At this time, some sewage sediment will be attached to the inner wall of the box, and the box is set to a square structure. These sediments cannot be discharged through the sewage pipe. Over time, a thick scab will form on the inner wall of the box, thereby affecting the subsequent sewage treatment. For this reason, a waste heat boiler sewage system is proposed. Summary of the invention

[0005] The content of the present invention is used to introduce the concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of the present disclosure is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0006] Some embodiments of the present invention provide a waste heat boiler blowdown system to solve the technical problems mentioned in the above background technology section.

[0007] The waste heat boiler sewage discharge system comprises a drum body, a stirring assembly is arranged inside the drum body, and a filtering assembly is installed at the bottom of the drum body;

[0008] The stirring assembly comprises a rotating column transversely arranged inside the drum body, a motor is fixedly installed on one side of the drum body through a machine base, an output end of the motor extends through the drum body and is fixedly connected to one end of the rotating column through a coupling, a plurality of groups of stirring rods equidistantly and cross-distributed are fixedly installed on the outer wall of the rotating column, fixed rods are fixedly sleeved at both ends of the outer wall of the rotating column, and the two ends of the two groups of fixed rods are fixedly connected to the same scraper, and the two groups of scrapers are both in contact with the inner wall of the drum body;

[0009] The filter assembly includes a feed pipe fixedly connected to the bottom of the drum body, the bottom end of the feed pipe is fixedly connected to a filter box, a fixed frame is obliquely provided inside the filter box, a filter net is fixedly installed in the fixed frame, the fixed frame is slidably connected to the inner wall of the filter box, slide grooves are provided on both sides of the inner wall of the filter box, balls matching the slide grooves are installed on the ends of both sides of the fixed frame, and the balls are slidably connected to the slide grooves.

[0010] Optionally, a through slot is opened on one side of the filter box, and one end of the fixing frame extends to the outside of the through slot and is fixedly mounted with a mounting plate.

[0011] Optionally, a sealing gasket is provided between the mounting plate and the through groove, and a handle is fixedly mounted on a side of the mounting plate away from the filter box.

[0012] Optionally, a limit assembly is fixedly installed at the front end of the top of the filter box, and the limit assembly includes a fixed seat fixedly installed at the front end of the top of the filter box, a connecting column is fixedly connected to one side of the fixed seat, and the other end of the connecting column is connected to a limit stop block through a bearing, and the side of the limit stop block close to the filter box fits perfectly with the mounting plate.

[0013] Optionally, a torsion spring is sleeved on the outer wall of the connecting column, one end of the torsion spring is fixedly connected to one side of the limit stopper, and the other end of the torsion spring is fixedly connected to the outer wall of the connecting column.

[0014] Optionally, a sewage pipe is fixedly connected to the bottom end of one side of the filter box, and valves are installed in the sewage pipe and the feed pipe.

[0015] Optionally, a feed hopper is fixedly installed at the center of the top of the drum body, and a cover plate is fixedly installed on the top of the feed hopper by bolts.

[0016] Optionally, a filter box is slidably connected to the inside of the feed hopper, one side of the filter box extends to the outside of the feed hopper and is fixedly mounted with a handle, and support legs are fixedly mounted at both ends of the bottom of the drum body.

[0017] Optionally, a medicine inlet pipe is fixedly connected to one side of the top of the drum body.

[0018] Optionally, a piston cover is provided at one end of the medicine inlet pipe away from the drum body.

[0019] The above embodiments of the present invention have the following beneficial effects:

[0020] 1. The present invention starts the motor, and the motor output end drives the rotating column to rotate, thereby driving the fixed rod to rotate synchronously, and driving the two sets of scrapers to fit the inner wall of the drum body for rotation and scraping, so as to prevent the scale generated after the reaction of sewage and medicine from adhering to the inner wall of the drum body and affecting the subsequent sewage treatment. At the same time, the drum body is set to a cylindrical shape, which further avoids the situation that the scale in the sewage cannot completely flow out of the drum body and is generated at the bottom of its inner cavity.

[0021] 2. The present invention utilizes a filter to separate scale from water in sewage, thereby reducing the difficulty of further processing the obtained wastewater, and allowing the separated wastewater to continue to be used in the boiler after simple processing, thereby improving the utilization rate of wastewater and saving water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the waste heat boiler sewage discharge system of the present invention.

[0024] Figure 2 It is a side sectional view of the boiler drum body of the present invention.

[0025] Figure 3 It is a schematic diagram of the structure of the stirring assembly of the present invention.

[0026] Figure 4 It is a schematic diagram of the local structure of the filter assembly of the present invention.

[0027] Figure 5 It is a side sectional view of the filter box of the present invention.

[0028] Description of reference numerals:

[0029] 100: drum body; 110: support leg; 120: feed hopper; 130: cover plate; 140: filter box; 150: medicine inlet pipe; 160, piston cover;

[0030] 200: stirring assembly; 210: rotating column; 220: motor; 230: stirring rod; 240: fixing rod; 250: scraper;

[0031] 300: filter assembly; 310: feed pipe; 320: filter box; 330: fixing frame; 340: filter screen; 350: mounting plate; 360: slideway; 370: ball bearing; 380: drain pipe; 390: limit assembly; 391: fixing seat; 392: connecting column; 393: limit block; 394: torsion spring. DETAILED DESCRIPTION

[0032] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0034] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0036] Embodiment 1:

[0037] like Figures 1 to 5As shown, this embodiment provides a waste heat boiler sewage discharge system, including a drum body 100, a feed hopper 120 is fixedly installed at the top center of the drum body 100, a cover plate 130 is fixedly installed on the top of the feed hopper 120 by bolts, a filter box 140 is slidably connected inside the feed hopper 120, and one side of the filter box 140 extends to the outside of the feed hopper 120 and is fixedly installed with a handle.

[0038] Support legs 110 are fixedly installed at both ends of the bottom of the drum body 100, a medicine inlet pipe 150 is fixedly connected to one side of the top of the drum body 100, a piston cover 160 is provided at the end of the medicine inlet pipe 150 away from the drum body 100, a stirring assembly 200 is provided inside the drum body 100, and a filtering assembly 300 is installed at the bottom of the drum body 100.

[0039] The stirring assembly 200 includes a rotating column 210 which is horizontally arranged inside the drum body 100. A motor 220 is fixedly installed on one side of the drum body 100 through a machine base. The output end of the motor 220 extends through the inside of the drum body 100 and is fixedly connected to one end of the rotating column 210 through a coupling. A plurality of groups of stirring rods 230 which are equidistantly and cross-distributed are fixedly installed on the outer wall of the rotating column 210. Fixed rods 240 are fixedly sleeved at both ends of the outer wall of the rotating column 210. Both ends of the two groups of fixed rods 240 are fixedly connected to the same scraper 250. Both groups of scrapers 250 are in contact with the inner wall of the drum body 100.

[0040] The principle of this embodiment is: the sewage discharged from the waste heat boiler is filtered through the filter box 140, so as to facilitate its treatment, effectively reduce the impact of solid debris in the sewage on the sewage treatment, and improve the sewage treatment efficiency.

[0041] When the solid debris in the filter box 140 reaches a certain level, the staff manually pulls the handle to facilitate pulling the filter box 140 out of the feed hopper 120, and then the solid debris in the filter box 140 can be processed. By starting the motor 220, the output end of the motor 220 drives the rotating column 210 to rotate, thereby driving the stirring rod 230 to rotate. The rotation of the stirring rod 230 can stir the sewage discharged from the waste heat boiler inside the drum body 100, thereby improving the sewage treatment efficiency. The drug inlet pipe 150 is arranged on the top of the drum body 100 to facilitate the addition of sewage treatment drugs into the drum body 100. The piston cover 160 arranged at the end of the drug inlet pipe 150 away from the drum body 100 effectively reduces the possibility of sewage splashing out of the drug inlet pipe 150 when the stirring rod 230 stirs the sewage.

[0042] At the same time, along with the rotation of the rotating column 210, the fixed rod 240 is driven to rotate synchronously, thereby driving the two sets of scrapers 250 to fit the inner wall of the drum body 100 for rotational scraping, preventing the scale produced by the reaction between sewage and drugs from adhering to the inner wall of the drum body 100 and affecting the subsequent sewage treatment.

[0043] Embodiment 2:

[0044] like Figure 1 , Figure 4 as well as Figure 5 As shown, on the basis of retaining all the technical features in specific embodiment one (or the difference between this embodiment and specific embodiment one is that), in this embodiment: the filter assembly 300 includes a feed pipe 310 fixedly connected to the bottom of the drum body 100, and the bottom end of the feed pipe 310 is fixedly connected to a filter box 320, and a fixed frame 330 is inclined inside the filter box 320.

[0045] A filter screen 340 is fixedly installed in the fixed frame 330, and the fixed frame 330 is slidably connected to the inner wall of the filter box 320. Slide grooves 360 are provided on both sides of the inner wall of the filter box 320. Balls 370 matching the slide grooves 360 are installed at the ends of both sides of the fixed frame 330. The ball 370 is slidably connected to the slide grooves 360. A through groove is provided on one side of the filter box 320. One end of the fixed frame 330 extends to the outside of the through groove and is fixedly installed with a mounting plate 350. A sealing gasket is provided between the mounting plate 350 and the through groove. A handle is fixedly installed on the side of the mounting plate 350 away from the filter box 320.

[0046] A limit assembly 390 is fixedly installed at the front end of the top of the filter box 320, and the limit assembly 390 includes a fixed seat 391 fixedly installed at the front end of the top of the filter box 320, and a connecting column 392 is fixedly connected to one side of the fixed seat 391, and the other end of the connecting column 392 is connected to a limit stop block 393 through a bearing, and the side of the limit stop block 393 close to the filter box 320 just fits with the mounting plate 350, and the outer wall of the connecting column 392 is sleeved with a torsion spring 394, one end of the torsion spring 394 is fixedly connected to one side of the limit stop block 393, and the other end is fixedly connected to the outer wall of the connecting column 392, and a sewage pipe 380 is fixedly connected to the bottom end of one side of the filter box 320, and valves are installed in the sewage pipe 380 and the discharge pipe 310.

[0047] Principle of this embodiment: When the sewage inside the drum body 100 fully reacts with the medicine, the valve in the discharge pipe 310 is opened, and the sewage enters the filter box 320 through the discharge pipe 310. When the continuously falling sewage passes through the filter net 340 on the fixed frame 330, the scale in the sewage will be filtered out by the filter net 340 and accumulated at the lowest point of the fixed frame 330 under the guidance of the inclined fixed frame 330 and the filter net 340. The filtered wastewater flows into the bottom of the inner cavity of the filter box 320 and is discharged through the sewage pipe 380, waiting for further treatment.

[0048] The scale accumulated at the lowest point of the fixed frame 330 is released from the limit of the mounting plate 350 by rotating the limit stop 393, and then the mounting plate 350, the fixed frame 330 and the filter screen 340 are taken out by pulling the handle for centralized cleaning, and then when they are put back into the filter box 320, the ball 370 is aligned with the slide groove 360 ​​and then pushed in, and the limit stop 393 is reset under the action of the torsion spring 394, and the mounting plate 350 is fixed and limited again.

[0049] The filter 340 is used to separate the scale in the sewage from the water, which reduces the difficulty of further processing the obtained wastewater, and allows the separated wastewater to continue to be used in the boiler after simple processing, thereby improving the utilization rate of the wastewater and saving water resources.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A waste heat boiler blowdown system, comprising a boiler drum body, characterized in that: A stirring assembly is provided inside the drum body, and a filtering assembly is installed at the bottom of the drum body; The stirring assembly comprises a rotating column transversely arranged inside the drum body, a motor is fixedly installed on one side of the drum body through a machine base, an output end of the motor extends through the drum body and is fixedly connected to one end of the rotating column through a coupling, a plurality of groups of stirring rods equidistantly and cross-distributed are fixedly installed on the outer wall of the rotating column, fixed rods are fixedly sleeved at both ends of the outer wall of the rotating column, and the two ends of the two groups of fixed rods are fixedly connected to the same scraper, and the two groups of scrapers are both in contact with the inner wall of the drum body; The filter assembly includes a feed pipe fixedly connected to the bottom of the drum body, the bottom end of the feed pipe is fixedly connected to a filter box, a fixed frame is obliquely provided inside the filter box, a filter net is fixedly installed in the fixed frame, the fixed frame is slidably connected to the inner wall of the filter box, slide grooves are provided on both sides of the inner wall of the filter box, balls matching the slide grooves are installed on the ends of both sides of the fixed frame, and the balls are slidably connected to the slide grooves.

2. A waste heat boiler sewage discharge system according to claim 1, characterized in that: A through slot is provided on one side of the filter box, and one end of the fixing frame extends to the outside of the through slot and is fixedly mounted with a mounting plate.

3. A waste heat boiler sewage discharge system according to claim 2, characterized in that: A sealing gasket is arranged between the mounting plate and the through groove, and a handle is fixedly mounted on a side of the mounting plate away from the filter box.

4. A waste heat boiler sewage discharge system according to claim 3, characterized in that: A limiting assembly is fixedly installed at the front end of the top of the filter box, and the limiting assembly includes a fixing seat fixedly installed at the front end of the top of the filter box, a connecting column is fixedly connected to one side of the fixing seat, and the other end of the connecting column is connected to a limiting stopper through a bearing, and the side of the limiting stopper close to the filter box fits exactly with the mounting plate.

5. A waste heat boiler sewage discharge system according to claim 4, characterized in that: The outer wall of the connecting column is sleeved with a torsion spring, one end of the torsion spring is fixedly connected to one side of the limit stopper, and the other end is fixedly connected to the outer wall of the connecting column.

6. A waste heat boiler sewage discharge system according to claim 1, characterized in that: A sewage pipe is fixedly connected to the bottom end of one side of the filter box, and valves are installed in the sewage pipe and the feed pipe.

7. A waste heat boiler sewage discharge system according to claim 1, characterized in that: A feed hopper is fixedly installed at the center of the top of the drum body, and a cover plate is fixedly installed on the top of the feed hopper by bolts.

8. A waste heat boiler sewage discharge system according to claim 7, characterized in that: A filter box is slidably connected inside the feed hopper, one side of the filter box extends to the outside of the feed hopper and is fixedly installed with a handle, and supporting legs are fixedly installed at both ends of the bottom of the drum body.

9. A waste heat boiler sewage discharge system according to claim 1, characterized in that: A medicine inlet pipe is fixedly connected to one side of the top of the drum body.

10. A waste heat boiler sewage discharge system according to claim 9, characterized in that: A piston cover is arranged at one end of the medicine inlet pipe away from the drum body.

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