Dry quenching water circulation system

Abstract

The utility model relates to the technical field of dry quenching water circulation pipelines, in particular to a dry quenching water circulation system. According to the technical scheme, the system comprises a recycling water tank and two plate heat exchangers and further comprises a circulating pipeline, and self-priming pumps for controlling conveying are arranged between the circulating pipeline and the plate heat exchangers and between the circulating pipeline and the recycling water tank; the circulating pipeline comprises a fresh water inlet pipe for conveying fresh water into the recycling water tank, dry quenching 1DC water cooling sleeve return water and a blow-off water pipeline from a dry quenching waste heat boiler; the dry quenching circulating water return pipeline is communicated with the output ends of the two groups of plate heat exchangers; and the dry quenching circulating water return pipeline goes to a dry quenching water seal water tank. According to the utility model, the water quality of equipment water is improved, the boiler blow-down water is fully utilized, the water in the dry quenching system is recycled, the effects of energy conservation and emission reduction are achieved, the boiler blow-down water is further filtered, and the risk of blocking a circulating pipeline is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to dry quenching water circulation pipeline technical field especially relates to dry quenching water circulation system. BACKGROUND

[0002] The cooling water of dry quenching supporting furnace mouth water seal groove and primary dust collector (1DC) water cooling jacket pipe is supplied by the unified circulating water system of factory area in the past design. In actual engineering, due to the poor circulating water quality, many impurities, the high temperature of furnace mouth water seal groove, the inner wall of water seal groove is seriously scaled and corroded, and the service life is greatly reduced. The circulating cooling water of primary dust collector water cooling jacket pipe is large in quantity, and when the circulating water quality is poor, the equipment is also prone to scaling and blocking, and the service life is shortened. Considering the importance of dry quenching furnace mouth water seal groove and water cooling pipe in the operation of dry quenching system and the difficulty in cleaning during operation, the water quality needs to be improved or the water source needs to be replaced. The traditional water circulation treatment is difficult to realize the water circulation utilization in the dry quenching system. In view of the above reasons, the application provides a dry quenching water circulation system with improved water quality and boiler discharge sewage. SUMMARY

[0003] The utility model discloses a kind of dry quenching water circulation systems with improved water quality and boiler discharge sewage for the problems existing in background art.

[0004] The technical scheme of the utility model: dry quenching water circulation system, including reuse water pool and two groups of plate heat exchanger, further including circulating pipeline, and circulating pipeline is provided with self-priming pump of control delivery between plate heat exchanger and reuse water pool;

[0005] Wherein, circulating pipeline includes fresh water inlet pipe of delivery to reuse water pool, dry quenching 1DC water cooling jacket pipe backwater and from dry quenching waste heat boiler blowdown water pipeline;Further include dry quenching circulating water backwater pipeline and the pipeline to dry quenching water seal water tank that are communicated with the output end of two groups of plate heat exchanger;

[0006] Further include the pipeline to dry quenching 1DC water cooling jacket pipe that is communicated with dry quenching water seal water tank, and the input end of plate heat exchanger is further provided with dry quenching circulating water water supply pipeline for its water supply.

[0007] Optionally, the reuse water pool is used to carry out primary cooling treatment to water by dry quenching 1DC water cooling jacket pipe backwater and from dry quenching waste heat boiler blowdown water pipeline to reuse water pool;

[0008] Plate heat exchanger is used to carry out secondary cooling to the primary cooling water after receiving processing, and heat exchange form is water-water heat exchange.

[0009] Optionally, the recycling pool is further provided with a filter basket for filtering the water discharged from the blowdown water pipeline of the dry quenching waste heat boiler, and a material taking opening is rotatably arranged on one side of the recycling pool.

[0010] Optionally, a through rod is fixedly connected to the front side wall of the filter basket and penetrates through the recycling pool.

[0011] A turnover plate is rotatably arranged on one side wall of the filter basket, and a positioning rod is arranged on the turnover plate.

[0012] Optionally, a cavity tube is arranged on the inner wall of the turnover plate, and a positioning groove is arranged on the bottom wall of the filter basket below the cavity tube, and the positioning rod is slidably arranged in the cavity tube and the positioning groove.

[0013] Optionally, a spring is fixedly connected to the top of the positioning rod, the top end of the spring is connected to the top inner wall of the cavity tube, the positioning rod is an L-shaped rod, a through hole is arranged on one side of the cavity tube and penetrates through the turnover plate, and one end of the positioning rod penetrates through the through hole.

[0014] Optionally, a through groove is arranged on the front of the recycling pool, and the width of the inner wall of the through groove is adapted to the through rod.

[0015] Optionally, a threaded rod is rotatably arranged on the side wall of the recycling pool away from the material taking opening, and one end of the threaded rod is arranged in the through groove and is correspondingly arranged in the threaded hole arranged on the through rod.

[0016] Compared with the prior art, the recycling pool has the following beneficial technical effects:

[0017] The boiler blowdown water is cooled by the plate heat exchanger and used as the circulating cooling water, and the circulating cooling water is reserved as a standby water source, so that the water quality of the equipment is improved, the boiler blowdown water is fully utilized, and the water circulation in the dry quenching system is realized.

[0018] The boiler blowdown water is further filtered by the filter basket, the small filter hole can sufficiently filter the impurities in the water, the through rod and the through groove can move the filter basket to the position corresponding to the material taking opening, and the impurities in the filter basket are removed.

[0019] In summary, the recycling pool can improve the water quality of the equipment, fully utilize the boiler blowdown water, realize the water circulation in the dry quenching system, achieve the effect of energy saving and emission reduction, further filter the boiler blowdown water, and reduce the risk of blocking the circulating pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1A circulating water system diagram of the utility model is given;

[0021] Figure 2 A side view schematic diagram of the recycling pool in the utility model is given;

[0022] Figure 3 To Figure 2 The cross-sectional structure schematic diagram is shown in the figure.

[0023] Figure 4 The structure schematic diagram of the filter basket is shown in the figure.

[0024] Reference signs:

[0025] 1, recycling pool;

[0026] 2, self-priming pump;

[0027] 3, plate heat exchanger;

[0028] 4, fresh water inlet pipe;

[0029] 5, dry quenching 1DC water cooling jacket backwater;

[0030] 6, to dry quenching 1DC water cooling jacket;

[0031] 7, dry quenching circulating water feed pipe;

[0032] 8, dry quenching circulating water return pipe;

[0033] 9, to dry quenching water seal water tank;

[0034] 10, from dry quenching waste heat boiler blowdown pipe;

[0035] 11, through slot;

[0036] 12, through rod;

[0037] 13, threaded rod;

[0038] 14, filter basket; 140, turnover plate; 141, cavity pipe; 142, through hole; 143, positioning groove; 144, positioning rod; 145, spring;

[0039] 15, material taking port. DETAILED DESCRIPTION

[0040] The technical solutions of the present disclosure will be described clearly and completely in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all.

[0041] The components of the embodiments of the present disclosure generally described and shown in the drawings herein can be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present disclosure provided in the drawings is not intended to limit the scope of the claimed present disclosure, but merely represents selected embodiments of the present disclosure.

[0042] All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present disclosure without creative labor fall within the scope of protection of the present disclosure.

[0043] In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present disclosure.

[0044] In the description of the present disclosure, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.

[0045] Embodiment 1:

[0046] As Figure 1 shown, the dry quenching water circulation system provided by the utility model, including the reuse pool 1 and two groups of plate heat exchanger 3, still include circulating pipeline, circulating pipeline and plate heat exchanger 3 and the reuse pool 1 between setting have the self-priming pump 2 of control delivery, plate heat exchanger 3 is used to receive the secondary cooling of the once cooling water after processing, and the heat exchange form is water-water heat exchange.

[0047] Among them, the circulating pipeline includes the fresh water inlet pipe 4 of delivery to the reuse pool 1, the dry quenching 1DC water cooling jacket pipe backwater 5 and the dry quenching waste heat boiler blowdown water pipeline 10 from, the reuse pool 1 is used to carry out once cooling treatment to the water in the reuse pool 1 by dry quenching 1DC water cooling jacket pipe backwater 5 and the dry quenching waste heat boiler blowdown water pipeline 10 delivery to the reuse pool 1, still include with two groups of plate heat exchanger 3 output end intercommunication dry quenching circulating water backwater pipe 8 and go to dry quenching water seal water tank 9;

[0048] The dry quenching 1DC water cooling jacket 6 is also connected to the dry quenching water seal water tank 9. The input end of the plate heat exchanger 3 is also provided with a dry quenching circulating water feed pipe 7 for feeding water.

[0049] In this embodiment, considering the high temperature of the boiler blowdown water, a water recycling pool 1 is built to collect the boiler blowdown water and the 1DC water cooling jacket cooling water, and then the fresh water is added to the water recycling pool 1 to reduce the temperature of the water in the water recycling pool 1. Two self-priming pumps 2 are arranged to send the water in the water recycling pool 1 to the plate heat exchanger and the dry quenching circulating water pipe network, and the excess water is sent back to the dry quenching circulating water pipe network for recycling.

[0050] The water in the water recycling pool 1 is cooled by the plate heat exchanger 3, and the heat exchange form is water-water heat exchange. The cooled water is sent to the 1DC water cooling jacket for cooling and water seal water tank water feeding, and the cooling water is sent back to the water recycling pool 1 for recycling. The self-priming pumps 2 and the plate heat exchangers 3 are each provided with two groups, and one group is reserved.

[0051] Embodiment 2:

[0052] As shown in Figures 1-4 , based on the embodiment 1, the water recycling pool 1 is also provided with a filter basket 14 for filtering the water discharged from the dry quenching waste heat boiler blowdown water pipe 10. The front side wall of the filter basket 14 is fixedly connected with a penetrating rod 12 penetrating through the water recycling pool 1. The front side of the water recycling pool 1 is provided with a through slot 11 with an inner wall width matching the penetrating rod 12. The through slot 11 is in a "Z" shape structure. A threaded rod 13 is rotatably arranged on the side wall of the water recycling pool 1 away from the material taking opening 15. One end of the threaded rod 13 penetrates through the through slot 11 and is installed in the threaded hole of the penetrating rod 12. The penetrating rod 12 is installed at the top end of the through slot 11 through the threaded rod 13, so that the filter basket 14 is located below the water discharge end of the dry quenching waste heat boiler blowdown water pipe 10.

[0053] As shown in Figure 4 , a turnover plate 140 is rotatably installed on one side wall of the filter basket 14. A cavity tube 141 is formed in the inner wall of the turnover plate 140. A positioning groove 143 is formed in the bottom wall of the filter basket 14 below the cavity tube 141. A positioning rod 144 is installed on the turnover plate 140. The positioning rod 144 is slidably installed in the cavity tube 141 and the positioning groove 143. A spring 145 is fixedly connected to the top of the positioning rod 144. The top end of the spring 145 is connected to the top inner wall of the cavity tube 141. The positioning rod 144 is in an "L" shape. A through hole 142 is formed in one side of the cavity tube 141 and penetrates through the turnover plate 140. One end of the positioning rod 144 penetrates through the through hole 142. A material taking opening 15 is rotatably arranged on one side of the water recycling pool 1.

[0054] In this embodiment, the boiler sewage is filtered again when it is discharged, the impurities are collected, the impurities in the filter basket 14 are cleaned regularly, the threaded rod 13 is rotated, the threaded rod 13 is separated from the threaded hole of the penetrating rod 12, the penetrating rod 12 is pushed along the through groove 11, the filter basket 14 is pushed to the material taking opening 15 once, the material taking opening 15 is turned open, the positioning rod 144 is pulled, the spring 145 is compressed, the positioning rod 144 is pulled to turn the turnover plate 140, and the impurities in the filter basket 14 are taken out. After the same treatment is completed, the positioning rod 144 is loosened, the positioning rod 144 is installed in the positioning groove 143 corresponding to the bottom of the filter basket 14, the filter basket 14 is closed, the filter basket 14 is moved to below the sewage outlet of the dry quenching coke residual heat boiler sewage pipeline 10, and the next use can be performed.

[0055] The above specific embodiments are only several optional embodiments of the present application, based on the technical scheme of the present application and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A dry quenching water circulation system, characterized by: The utility model provides a kind of dry quenching water recycling system, including recycling pool (1) and two groups of plate heat exchanger (3), further including circulation pipeline, and self-priming pump (2) is arranged between plate heat exchanger (3) and recycling pool (1) with control delivery; Wherein, circulation pipeline includes fresh water inlet pipe (4) for sending to recycling pool (1), dry quenching 1DC water cooling jacket backwater (5) and from dry quenching waste heat boiler blowdown water pipeline (10);Further including dry quenching circulating water backwater pipe (8) being communicated with the output end of two groups of plate heat exchanger (3) and pipeline going to dry quenching water seal water tank (9); Further including dry quenching 1DC water cooling jacket (6) being communicated with going to dry quenching water seal water tank (9), and the input end of plate heat exchanger (3) is further provided with dry quenching circulating water feed pipe (7) for its feed water.

2. The dry quenching water circulation system according to claim 1, characterized in that, The recycling pool (1) is used for carrying out once cooling treatment to water by dry quenching 1DC water cooling jacket backwater (5) and from dry quenching waste heat boiler blowdown water pipeline (10) to recycling pool (1); The plate heat exchanger (3) is used for secondary cooling to receive once cooled water after processing, and the heat exchange form is water-water heat exchange.

3. The dry quenching water circulation system according to claim 1, wherein, The recycling pool (1) is further provided with filter basket (14) for filtering water discharged from dry quenching waste heat boiler blowdown water pipeline (10) in the recycling pool (1), and a side of the recycling pool (1) is rotatably provided with material taking opening (15).

4. The dry quenching water circulation system according to claim 3, wherein The front side wall of the filter basket (14) is fixedly connected with through rod (12) penetrating through the recycling pool (1); A side wall of the filter basket (14) is rotatably provided with turnover plate (140), and the turnover plate (140) is provided with positioning rod (144) fixedly positioned thereon.

5. The dry quenching water circulation system according to claim 4, wherein, A cavity tube (141) is formed in the inner wall of the turnover plate (140), a positioning groove (143) is formed in the bottom plate wall of the filter basket (14) below the cavity tube (141), and the positioning rod (144) is slidably installed in the cavity tube (141) and the positioning groove (143).

6. The dry quenching water circulation system according to claim 5, wherein, The top of the positioning rod (144) is fixedly connected with spring (145), the top end of the spring (145) is connected with the top inner wall of the cavity tube (141), the positioning rod (144) is an "L" shaped rod, a through hole (142) is formed in one side of the cavity tube (141) penetrating through the turnover plate (140), and one end of the positioning rod (144) penetrates through the through hole (142).

7. The dry quenching water circulation system according to claim 6, characterized in that, A through slot (11) with a width matching the through rod (12) is formed in the front of the recycling pool (1), and the through slot (11) is a "Z" shaped structure.

8. The dry quenching water circulation system according to claim 7, characterized in that, A threaded rod (13) is rotatably arranged on a side wall of the recycling pool (1) away from the material taking opening (15), and one end of the threaded rod (13) penetrates through the through slot (11) and is correspondingly installed in the threaded hole formed in the through rod (12).

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