Waste heat boiler blowdown recovery device

Abstract

The utility model belongs to the technical field of waste heat boilers, and particularly relates to a waste heat boiler blow-off recovery device which comprises a waste heat boiler, a water inlet is formed in one side of the waste heat boiler, a water outlet is formed in the side, away from the water inlet, of the waste heat boiler, a recovery box is arranged on the side face of the waste heat boiler, and a circulating pump is arranged on the side, close to the water inlet, of the recovery box. And a circulating pipe is communicated between the output end of the circulating pump and the water inlet. When the inner side of the waste heat boiler is circularly flushed, incrustation can be continuously flushed out along with the cleaning agent, obvious incrustation particles can be filtered and recycled through the recycling barrel after entering the recycling barrel, small incrustation particles can enter the settling chamber to be settled and recycled, and then the cleaning agent flows back into the circulating chamber in an overflowing mode. By means of the technical scheme, water scale can be continuously cleaned and recycled during circulating flushing, it is avoided that too much water scale is doped in a cleaning agent, a circulating pump is blocked, and in addition, the follow-up cleaning effect of the cleaning agent on the boiler is prevented from being affected.

Description

Technical Field

[0001] The utility model belongs to the technical field of waste heat boilers, and in particular relates to a waste heat boiler sewage recovery device. Background Art

[0002] Waste heat boilers need to be regularly cleaned and discharged to ensure the normal use of the boiler. At present, waste heat boilers generally adopt a flushing method when cleaning waste heat boilers, that is, the cleaning agent is first filled into the waste heat boiler, and then the circulating pump is used to provide power to circulate the cleaning agent in the waste heat boiler to achieve the purpose of flushing. After the flushing is completed, the sewage is discharged, and then clean water is continuously used to flush until the discharged water is clear. However, in the process of circulating flushing of the waste heat boiler, the scale that falls off during the cleaning cannot be recovered and cleaned in time. The scale will be repeatedly circulated by the circulating pump with the cleaning agent. As the scale increases, on the one hand, there will be a problem of blocking the circulating pump. On the other hand, more scale mixed in the cleaning agent will affect the subsequent cleaning effect of the cleaning agent on the boiler. Utility Model Content

[0003] In view of the above problems, the purpose of the utility model is to provide a waste heat boiler sewage recovery device, so that during the circulation flushing process of the waste heat boiler, the scale dropped during the cleaning cannot be recovered and cleaned in time, and the scale will be repeatedly circulated by the circulation pump along with the cleaning agent. As the scale increases, on the one hand, there will be a problem of blockage of the circulation pump, and on the other hand, the large amount of scale mixed in the cleaning agent will affect the subsequent cleaning effect of the cleaning agent on the boiler.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows: a waste heat boiler sewage recovery device, comprising a waste heat boiler, a water inlet is arranged on one side of the waste heat boiler, a water outlet is arranged on the side of the waste heat boiler away from the water inlet, a recovery box is arranged on the side of the waste heat boiler, a circulating pump is arranged on the side of the recovery box close to the water inlet, a circulating pipe is arranged between the output end of the circulating pump and the water inlet, a pumping pipe is arranged between the input end of the circulating pump and the inner bottom of the recovery box, and the waste heat boiler is connected to the water inlet by the waste heat boiler. The water outlet is connected to a water outlet pipe, a connecting port is provided on the upper side of the recovery box away from the circulating pump, a recovery barrel is provided on the inner side of the connecting port, the recovery barrel is a hollow mesh barrel, the output end of the water outlet pipe is provided on the upper side of the recovery barrel, a partition is provided on the inner side of the recovery box, the partition divides the inner side of the recovery box into a sedimentation chamber and a circulation chamber, the circulation chamber is connected to the upper side of the sedimentation chamber, the recovery barrel is provided on the upper side of the sedimentation chamber, a dosing hopper is provided on the upper side of the circulation chamber, and the circulation chamber is connected to a water pumping pipe.

[0005] The beneficial effects of the utility model are as follows: when the inside of the waste heat boiler is circulated and flushed, scale will be continuously flushed out along with the cleaning agent, and obvious scale particles will enter the recovery barrel and be filtered and recovered after entering the recovery barrel, and smaller scale particles will enter the sedimentation chamber for sedimentation and recovery, and then the cleaning agent will flow back into the circulation chamber by overflow, so that the scale can be continuously cleaned and recovered during the circulatory flushing, avoiding the mixing of too much scale in the cleaning agent, causing blockage of the circulation pump, and also avoiding affecting the subsequent cleaning effect of the cleaning agent on the boiler.

[0006] In order to clamp and fix the output end of the water outlet pipe;

[0007] As a further improvement of the above technical solution: a fixing mechanism is provided on a side of the recovery box away from the circulation pump, and the fixing mechanism includes a fixing rod, a fixing ring, a knob, rubber block 1 and rubber block 2. The fixing rod is fixedly connected to the recovery box, and the upper end of the fixing rod is fixedly connected to the fixing ring. Rubber block 1 and rubber block 2 are provided on the inner side of the fixing ring. The water outlet pipe passes through the middle of rubber block 1 and rubber block 2. A knob is provided on the upper side thread of the fixing ring, and the knob passes through the fixing ring and is rotatably connected to rubber block 2.

[0008] The beneficial effect of this improvement is that a fixing mechanism is provided, and the output end of the water outlet pipe is clamped and fixed by turning the knob to press down the second rubber block, so that the output end of the water outlet pipe can be stable.

[0009] To facilitate the maintenance and cleaning of recycling bins;

[0010] As a further improvement of the above technical solution: electric telescopic rods are symmetrically arranged on both sides of the recycling barrel, and the upper output ends of the electric telescopic rods are sleeved with connecting blocks, and a short rod is fixedly arranged between the connecting block and the recycling barrel, and the recycling barrel is plugged into the recycling box through the connecting port.

[0011] The beneficial effect of this improvement is: an electric telescopic rod is set, and the output end of the electric telescopic rod drives the recycling bin to be pulled out from the connecting port through the connecting block and the short rod. Then, the connecting block is directly pulled out from the upper side of the electric telescopic rod, and the recycling bin can be disassembled, which is convenient for maintenance and cleaning of the recycling bin.

[0012] In order to increase the filtering effect of scale impurities;

[0013] As a further improvement of the above technical solution: an inner barrel is arranged inside the recycling barrel, handles are symmetrically arranged on the upper side of the inner barrel, the inner barrel is a mesh barrel, and the inner side of the inner barrel is filled with ceramic filter balls.

[0014] The beneficial effect of this improvement is that an inner barrel is arranged on the inner side of the recycling barrel, and a ceramic filter ball is arranged on the inner side of the inner barrel, so as to increase the filtering effect on scale impurities, and by preparing multiple inner barrels, it is convenient to replace and clean the scale and ceramic filter balls at any time.

[0015] In order to discharge the cleaning wastewater inside the recycling box;

[0016] As a further improvement of the above technical solution: a control valve 1 is provided on the lower side of the recovery box, which is connected to the sedimentation chamber and the circulation chamber respectively.

[0017] The beneficial effect of this improvement is that a control valve 1 is respectively provided on the lower side of the recovery box, which is connected to the sedimentation chamber and the circulation chamber, and the external discharge pipe is connected through the control valve 1 to discharge the cleaning wastewater inside the recovery box.

[0018] In order to facilitate the flushing of the waste heat boiler after cleaning;

[0019] As a further improvement of the above technical solution: the lower end of the water pumping pipe is connected to a control valve 2, the control valve 2 has two input ends, the water pumping pipe is connected to the inner bottom of the circulation chamber through the input end of the control valve 2, and the water pumping pipe is connected to a clean water pipe through the input end of the control valve 2.

[0020] The beneficial effect of this improvement is that the pumping pipe is connected to a clean water pipe through the input end of the control valve 2, which is convenient for switching the clean water pipe to be connected to the pumping pipe through the control valve 2, so as to facilitate flushing the waste heat boiler with clean water after cleaning.

[0021] In order to facilitate the observation of the scale content in the cleaning agent in the recovery box;

[0022] As a further improvement of the above technical solution: an observation window is provided on a side of the recovery box away from the waste heat boiler.

[0023] The beneficial effect of this improvement is that an observation window is provided to facilitate observation of the scale content in the cleaning agent in the recovery box.

[0024] In order to increase the circulation cleaning effect in the waste heat boiler;

[0025] As a further improvement of the above technical solution: an oxygen pump is arranged on the side of the recovery box away from the waste heat boiler, an air duct is arranged on the inner bottom of the circulation chamber, aeration pipes are equidistantly arranged on the sides of the air duct, and the output end of the oxygen pump is connected to the air duct.

[0026] The beneficial effect of this improvement is: an oxygenation pump is provided to oxygenate the cleaning agent in the circulation chamber through the air guide pipe and the aeration pipe, which can increase the oxygen content of the cleaning agent, increase the activity of the cleaning agent, and thus increase the circulation cleaning effect in the waste heat boiler.

[0027] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0029] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0030] Figure 3 This is a cross-sectional view of the inner structure of the recycling box in the utility model;

[0031] Figure 4 This is a schematic diagram of the structure of the recycling barrel in the utility model;

[0032] Figure 5 It is a structural schematic diagram of the fixing mechanism in the utility model;

[0033] In the figure: 1. waste heat boiler; 2. water inlet; 3. water outlet; 4. recovery box; 41. connection port; 42. recovery barrel; 421. inner barrel; 422. handle; 423. ceramic filter ball; 43. dosing hopper; 44. partition; 45. air guide tube; 46. aeration tube; 47. control valve 1; 48. observation window; 49. electric telescopic rod; 410. connection block; 5. circulation pump; 6. circulation pipe; 7. water pumping pipe; 8. water outlet pipe; 9. fixing mechanism; 91. fixing rod; 92. fixing ring; 93. knob; 94. rubber block 1; 95. rubber block 2; 10. dosing hopper. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the scope of protection of the present invention.

[0035] like Figure 1 — Figure 5As shown: a waste heat boiler sewage recovery device, comprising a waste heat boiler 1, a water inlet 2 is arranged on one side of the waste heat boiler 1, a water outlet 3 is arranged on the side of the waste heat boiler 1 away from the water inlet 2, a recovery box 4 is arranged on the side of the waste heat boiler 1, a circulating pump 5 is arranged on the side of the recovery box 4 close to the water inlet 2, a circulating pipe 6 is arranged between the output end of the circulating pump 5 and the water inlet 2, a pumping pipe 7 is arranged between the input end of the circulating pump 5 and the inner bottom of the recovery box 4, the waste heat boiler 1 is connected to the water outlet 3 and is provided with a water outlet pipe 8, a connecting port 41 is opened on the upper side of the recovery box 4 away from the circulating pump 5, and the inner side of the connecting port 41 A recovery barrel 42 is provided, and the recovery barrel 42 is a hollow mesh barrel. The output end of the water outlet pipe 8 is provided on the upper side of the recovery barrel 42. A partition 44 is provided on the inner side of the recovery box 4. The partition 44 divides the inner side of the recovery box 4 into a sedimentation chamber and a circulation chamber. The upper side of the circulation chamber is connected to the sedimentation chamber. The recovery barrel 42 is provided on the upper side of the sedimentation chamber. The upper side of the circulation chamber is connected to a dosing hopper 10. The circulation chamber is connected to a water pumping pipe 7. When the inner side of the waste heat boiler 1 is circulated and flushed, scale will be continuously flushed out with the cleaning agent. After entering the recovery barrel 42, obvious scale particles will be filtered and recovered by the recovery barrel 42, and smaller scale particles will enter the sedimentation chamber. The scale can be continuously cleaned and recovered during the circulating flushing to avoid the mixing of too much scale in the cleaning agent, which may cause the circulation pump to be blocked. In addition, it can avoid affecting the subsequent cleaning effect of the cleaning agent on the boiler. A fixing mechanism 9 is provided on the side of the recovery box 4 away from the circulation pump 5. The fixing mechanism 9 includes a fixing rod 91, a fixing ring 92, a knob 93, a rubber block 1 94 and a rubber block 2 95. The fixing rod 91 is fixedly connected to the recovery box 4. The upper end of the fixing rod 91 is fixedly connected to the fixing ring 92. The inner side of the fixing ring 92 is provided with a rubber block 1 94 and a rubber block 2 95. The water pipe 8 passes through the middle of the rubber block 1 94 and the rubber block 2 95. The upper side thread of the fixing ring 92 is provided with a knob 93. The knob 93 penetrates the fixing ring 92 and is rotatably connected with the rubber block 2 95. A fixing mechanism 9 is provided. The rubber block 2 95 is pressed down by turning the knob 93 to clamp and fix the output end of the water outlet pipe 8 so that the output end of the water outlet pipe 8 can be stable. The two sides of the recovery barrel 42 are symmetrically provided with electric telescopic rods 49. The upper output ends of the electric telescopic rods 49 are sleeved with connecting blocks 410. A short rod is fixedly provided between the connecting block 410 and the recovery barrel 42. The recovery barrel 42 is plugged with the recovery box 4 through the connecting port 41. The electric telescopic rod 49 is provided.The output end of the electric telescopic rod 49 drives the recycling bucket 42 to be pulled out from the connecting port 41 through the connecting block 410 and the short rod. Then, the connecting block 410 is directly pulled out from the upper side of the electric telescopic rod 49 to disassemble the recycling bucket 42, which is convenient for maintenance and cleaning of the recycling bucket 42. The inner side of the recycling bucket 42 is provided with an inner bucket 421, and the upper side of the inner bucket 421 is symmetrically provided with a handle 422. The inner bucket 421 is a net bucket, and the inner side of the inner bucket 421 is filled with ceramic filter balls 423. The inner side of the recycling bucket 42 is provided with a An inner barrel 421 is provided, and a ceramic filter ball 423 is provided inside the inner barrel 421 to increase the filtering effect of scale impurities, and by preparing multiple inner barrels 421, it is convenient to replace and clean the scale and the ceramic filter ball 423 at any time. The lower side of the recovery box 4 corresponds to the sedimentation chamber and the circulation chamber, respectively connected to a control valve 47, and the lower side of the recovery box 4 corresponds to the sedimentation chamber and the circulation chamber, respectively connected to a control valve 47, and the control valve 47 is connected to the external discharge pipe to discharge the cleaning sewage inside the recovery box 4. The lower end of the pipe 7 is connected with a control valve 2, and the control valve 2 has two input ends. The pumping pipe 7 is connected with the bottom of the inner side of the circulation chamber through the input end of the control valve 2. The pumping pipe 7 is connected with a clean water pipe through the input end of the control valve 2. The pumping pipe 7 is connected with a clean water pipe through the input end of the control valve 2, which is convenient for switching the clean water pipe to be connected with the pumping pipe 7 through the control valve 2, so as to facilitate flushing the waste heat boiler 1 with clean water after cleaning. The side of the recovery box 4 away from the waste heat boiler 1 is provided with an observation window 48, and the observation window 48 is provided for convenience. In order to observe the scale content in the cleaning agent in the recovery box 4, an oxygenation pump is arranged on the side of the recovery box 4 away from the waste heat boiler 1, and an air guide pipe 45 is arranged at the inner bottom of the circulation chamber, and an aeration pipe 46 is arranged equidistantly on the side of the air guide pipe 45. The output end of the oxygenation pump is connected to the air guide pipe 45, and an oxygenation pump is arranged. The oxygenation pump oxygenates the cleaning agent in the circulation chamber through the air guide pipe 45 and the aeration pipe 46, which can increase the oxygen content of the cleaning agent and increase the activity of the cleaning agent, thereby increasing the circulation cleaning effect in the waste heat boiler 1.

[0036] The working principle and use process of this utility model:

[0037] When in use, the cleaning agent is added to the circulation chamber through the dosing hopper 10, and the circulation pump 5 is started. The circulation pump 5 draws the cleaning agent from the circulation chamber through the pumping pipe 7, and then fills it into the waste heat boiler 1 through the circulation pipe 6 and the water inlet 2. When the waste heat boiler 1 is full of the cleaning agent, the cleaning agent will flow out from the water outlet 3, and then flow out into the recovery barrel 42 through the water outlet pipe 8, and then filter into the sedimentation chamber through the recovery barrel 42. When the cleaning agent fills the sedimentation chamber, it will overflow into the circulation chamber, and then repeat the above-mentioned circulation flushing process. When the inside of the waste heat boiler 1 is circulated and flushed, scale will be continuously flushed out with the cleaning agent, and obvious scale particles will appear in the inlet. After entering the recovery barrel 42, it is filtered and recovered by the recovery barrel 42, and smaller scale particles will enter the sedimentation chamber for sedimentation recovery. After that, the cleaning agent flows back into the circulation chamber by overflowing. During the circulation flushing, the scale can be continuously cleaned and recovered to avoid the cleaning agent being mixed with too much scale, causing the circulation pump to be blocked, and also to avoid affecting the subsequent cleaning effect of the cleaning agent on the boiler. In addition, when in use, a fixing mechanism 9 is set, and the knob 93 is turned to press down the rubber block 95 to clamp and fix the output end of the water outlet pipe 8 so that the output end of the water outlet pipe 8 can be stable. In addition, an electric telescopic rod 49 is set, and the output end of the electric telescopic rod 49 The recycling barrel 42 is pulled out from the connecting port 41 by driving the connecting block 410 and the short rod, and then the connecting block 410 is directly pulled out from the upper side of the electric telescopic rod 49, so that the recycling barrel 42 can be disassembled, which is convenient for maintenance and cleaning of the recycling barrel 42. In addition, an inner barrel 421 is arranged on the inner side of the recycling barrel 42, and a ceramic filter ball 423 is arranged on the inner side of the inner barrel 421, so as to increase the filtering effect of scale impurities, and by preparing a plurality of inner barrels 421, it is convenient to replace and clean the scale and the ceramic filter ball 423 at any time. In addition, the lower side of the recycling box 4 is connected to the corresponding sedimentation chamber and the circulation chamber respectively, and the control valve 47 is arranged by controlling Valve one 47 is connected to the external discharge pipe, which is used to discharge the cleaning sewage inside the recovery box 4. In addition, the pumping pipe 7 is connected to a clean water pipe through the input end of the control valve two, which is convenient for switching the clean water pipe to be connected with the pumping pipe 7 through the control valve two, so as to facilitate flushing the waste heat boiler 1 with clean water after cleaning. In addition, an observation window 48 is provided to facilitate observation of the scale content in the cleaning agent in the recovery box 4. In addition, an oxygenation pump is provided, and the oxygenation pump oxygenates the cleaning agent in the circulation chamber through the air guide pipe 45 and the aeration pipe 46, which can increase the oxygen content of the cleaning agent, increase the activity of the cleaning agent, and thus increase the circulation cleaning effect in the waste heat boiler 1.

[0038] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0039] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A waste heat boiler wastewater recovery device, characterized in that: The invention comprises a waste heat boiler (1), wherein a water inlet (2) is arranged on one side of the waste heat boiler (1), a water outlet (3) is arranged on the side of the waste heat boiler (1) away from the water inlet (2), a recovery box (4) is arranged on the side of the waste heat boiler (1), a circulation pump (5) is arranged on the side of the recovery box (4) close to the water inlet (2), a circulation pipe (6) is arranged between the output end of the circulation pump (5) and the water inlet (2), a pumping pipe (7) is arranged between the input end of the circulation pump (5) and the inner bottom of the recovery box (4), a water outlet pipe (8) is arranged on the waste heat boiler (1) through the water outlet (3), and the A connection port (41) is provided on the upper side of the recovery box (4) away from the circulation pump (5), a recovery bucket (42) is provided inside the connection port (41), the recovery bucket (42) is a hollow mesh bucket, the output end of the water outlet pipe (8) is provided just above the recovery bucket (42), a partition (44) is provided inside the recovery box (4), the partition (44) divides the inside of the recovery box (4) into a sedimentation chamber and a circulation chamber, the circulation chamber is connected to the upper side of the sedimentation chamber, the recovery bucket (42) is provided on the upper side of the sedimentation chamber, the upper side of the circulation chamber is connected to a dosing hopper (10), and the circulation chamber is connected to the water pumping pipe (7).

2. A waste heat boiler wastewater recovery device according to claim 1, characterized in that: A fixing mechanism (9) is provided on a side of the recovery box (4) away from the circulation pump (5), and the fixing mechanism (9) comprises a fixing rod (91), a fixing ring (92), a knob (93), a rubber block 1 (94) and a rubber block 2 (95). The fixing rod (91) is fixedly connected to the recovery box (4), the upper end of the fixing rod (91) is fixedly connected to the fixing ring (92), the inner side of the fixing ring (92) is provided with a rubber block 1 (94) and a rubber block 2 (95), the water outlet pipe (8) passes through the middle of the rubber block 1 (94) and the rubber block 2 (95), and the upper side of the fixing ring (92) is threadedly provided with a knob (93), and the knob (93) passes through the fixing ring (92) and is rotatably connected to the rubber block 2 (95).

3. The waste heat boiler wastewater recovery device according to claim 1, characterized in that: Electric telescopic rods (49) are symmetrically arranged on both sides of the recycling bucket (42); the upper output ends of the electric telescopic rods (49) are sleeved with connection blocks (410); a short rod is fixedly arranged between the connection block (410) and the recycling bucket (42); and the recycling bucket (42) is plugged into the recycling box (4) through a connection port (41).

4. The waste heat boiler wastewater recovery device according to claim 1, characterized in that: An inner barrel (421) is arranged inside the recycling barrel (42), a handle (422) is symmetrically arranged on the upper side of the inner barrel (421), the inner barrel (421) is a net barrel, and the inner side of the inner barrel (421) is filled with ceramic filter balls (423).

5. The waste heat boiler wastewater recovery device according to claim 1, characterized in that: A control valve 1 (47) is provided on the lower side of the recovery box (4) so ​​as to be connected to the sedimentation chamber and the circulation chamber respectively.

6. The waste heat boiler wastewater recovery device according to claim 1, characterized in that: The lower end of the water pumping pipe (7) is connected to a control valve 2, and the control valve 2 has two input ends. The water pumping pipe (7) is connected to the bottom of the inner side of the circulation chamber through the input end of the control valve 2, and the water pumping pipe (7) is connected to a clean water pipe through the input end of the control valve 2.

7. The waste heat boiler wastewater recovery device according to claim 1, characterized in that: An observation window (48) is provided on a side of the recovery box (4) away from the waste heat boiler (1).

8. The waste heat boiler wastewater recovery device according to claim 1, characterized in that: An oxygen pump is arranged on the side of the recovery box (4) away from the waste heat boiler (1), an air guide pipe (45) is arranged at the inner bottom of the circulation chamber, aeration pipes (46) are equidistantly arranged on the side of the air guide pipe (45), and the output end of the oxygen pump is connected to the air guide pipe (45).

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