Cast steel slag flushing water tank with waste heat recovery function

By setting up a water collection chamber, a water separation chamber and a heat exchange pipe in the cast steel slag flushing tank, the recovery and utilization of the waste heat of the hedging slag water is achieved, and the problem of waste heat not being used in metallurgical casting is solved, energy saving and reduction Air pollution.

CN222187962UActive Publication Date: 2024-12-17WUHAN SURVEYING GEOTECHN RES INST OF MCC
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Patent Information

Application Number
CN202420190081.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-25
Publication Date
2024-12-17
Estimated Expiration
2034-01-25

AI Technical Summary

Technical Problem

During the metallurgical casting process, after the sand model is used, the waste heat in the cast steel sand-formed slag water is not used, resulting in waste of energy.

Method used

Design a cast steel slag flushing tank with waste heat recovery, including a water collection chamber, a water separation chamber and an installation chamber. The lining plate separates it into a heat exchange chamber and a water storage chamber. It has multiple heat exchange pipes built into it and is carried out through external water flow. The heat exchange between the heat exchange medium and the slag water is used to extract waste heat and is used for building heating.

Benefits of technology

The waste heat in the slag flushing water is effectively recycled, energy waste is avoided, and waste heat is used for building heating, saving energy consumption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of heat exchange equipment, in particular to a cast steel slag flushing water tank with waste heat recovery, which comprises a water tank, a lining plate and a plurality of heat exchange pipes, a water collecting cavity, a water distributing cavity and a mounting cavity positioned between the water collecting cavity and the water distributing cavity are arranged in the water tank, and the water collecting cavity and the water distributing cavity are respectively connected with an input pipe and an output pipe; the lining plate is arranged in the mounting cavity and divides the mounting cavity into a heat exchange chamber and a water storage chamber, a heat exchange medium is contained in the heat exchange chamber, and slag flushing water can be contained in the water storage chamber; the multiple heat exchange pipes are arranged in the heat exchange chamber, and the water collecting cavity communicates with the water dividing cavity through the multiple heat exchange pipes. The problem that after a sand mold model is used up every time in existing metallurgical casting, residual heat in cast steel sand mold slag flushing water is not utilized and is directly discharged into the atmosphere, and a large amount of energy is wasted is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of heat exchange equipment, in particular to a cast steel slag flushing water tank with waste heat recovery. Background Art

[0002] The north of my country is a region with a high concentration of traditional metallurgical industries. After each use of the sand mold in metallurgical casting, a large amount of waste heat is still not utilized. How to extract this intermittent heat energy throughout the year, store it across seasons, and use it in a concentrated manner during the heating season to meet the heating needs of buildings in northern my country will save a lot of energy for my country. To solve this problem, this program proposes a new slag flushing water tank to recover the waste heat in the slag flushing water. Utility Model Content

[0003] The utility model aims to overcome the above technical deficiencies and provide a cast steel slag flushing water tank with waste heat recovery, so as to solve the problem that after each use of the sand mold model in the existing metallurgical casting, the residual heat in the cast steel sand mold slag flushing water is not utilized and is directly discharged into the atmosphere, causing a large amount of energy waste.

[0004] In order to achieve the above technical purpose, the utility model adopts the following technical solutions:

[0005] The utility model provides a cast steel slag flushing water tank with waste heat recovery, comprising

[0006] A water tank, wherein a water collecting chamber, a water distributing chamber, and a mounting chamber located between the water collecting chamber and the water distributing chamber are provided in the water tank, wherein the water collecting chamber and the water distributing chamber are connected to an input pipe and an output pipe respectively;

[0007] A lining plate, the lining plate is arranged in the installation cavity, the lining plate divides the installation cavity into a heat exchange chamber and a water storage chamber, the heat exchange chamber contains a heat exchange medium, and the water storage chamber can contain slag flushing water; and,

[0008] A plurality of heat exchange tubes are arranged in the heat exchange chamber, and the water collecting chamber and the water dividing chamber are communicated with each other via the plurality of heat exchange tubes.

[0009] In some embodiments, the liner includes two side plates and a bottom plate connected between the two side plates, and both of the side plates are detachably connected to the sink via a plurality of locking members.

[0010] In some embodiments, a base for supporting the bottom plate is disposed at the bottom of the sink.

[0011] In some embodiments, a plurality of brackets are provided in the heat exchange chamber, and each of the brackets is respectively connected to each of the heat exchange tubes.

[0012] In some embodiments, a sealing strip for closing the heat exchange chamber is provided between the water tank and the two side plates.

[0013] In some embodiments, the sealing strip is made of a high temperature resistant rubber block.

[0014] In some embodiments, a plurality of the heat exchange tubes are fixedly provided with a plurality of ring blocks at intervals along the axial direction.

[0015] In some embodiments, the outer wall of the water tank is provided with a thermal insulation layer.

[0016] In some embodiments, at least one temperature sensor is disposed in the heat exchange chamber.

[0017] In some embodiments, the heat exchange tube is made of a copper tube, an alloy tube, a stainless steel tube or a carbon steel tube.

[0018] Compared with the prior art, the utility model provides a cast steel slag flushing water trough with waste heat recovery, in which a water collecting chamber, a water dividing chamber and an installation chamber located between the water collecting chamber and the water dividing chamber are arranged in the water trough, the water collecting chamber and the water dividing chamber are respectively connected with an input pipe and an output pipe; a lining plate is arranged in the installation chamber, and the lining plate separates the installation chamber into a heat exchange chamber and a water storage chamber, and the water storage chamber can contain slag flushing water; a plurality of heat exchange tubes are arranged in the heat exchange chamber, and the water collecting chamber and the water dividing chamber are connected via a plurality of heat exchange tubes; the external water flow is transported to the water collecting chamber, a plurality of heat exchange tubes and the water dividing chamber in sequence via the input pipe and is discharged from the output pipe, so that the waste heat in the slag flushing water can be efficiently extracted for storage or direct use for building heating, and the waste heat originally discharged into the atmosphere can be used for building heating, thereby saving energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a cross-sectional schematic diagram of a cast steel slag flushing water tank with waste heat recovery provided by the utility model;

[0020] Figure 2 It is a structural schematic diagram of the base of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the bracket of the utility model;

[0022] Figure 4 It is a front view of a cast steel slag flushing water tank with waste heat recovery according to the utility model. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] See also Figures 1 to 4 The utility model provides a cast steel slag flushing water tank with waste heat recovery. The device can recycle the waste heat in the slag flushing water, effectively avoiding the problem that a large amount of waste heat is not utilized after each use of the sand mold model in metallurgical casting, and is directly discharged into the atmosphere, causing a large amount of energy waste and air pollution.

[0025] In this specific embodiment, a cast steel slag flushing water trough with waste heat recovery includes a water trough 1, a liner 2 and a plurality of heat exchange tubes 3, wherein the water trough 1 is provided with a water collecting chamber 11, a water dividing chamber 12 and an installation chamber located between the water collecting chamber 11 and the water dividing chamber 12, wherein the water collecting chamber 11 and the water dividing chamber 12 are respectively connected with an input pipe 1a and an output pipe 1b; the liner 2 is arranged in the installation chamber, and the liner 2 separates the installation chamber 13 into a heat exchange chamber 2a and a water storage chamber 2b, wherein the heat exchange chamber 2a contains a heat exchange medium, and the water storage chamber 2b can contain slag flushing water; the plurality of heat exchange tubes 3 are arranged in the heat exchange chamber 2a, and the water collecting chamber 11 and the water dividing chamber 12 are connected via the plurality of heat exchange tubes 3.

[0026] In actual use, the external water flow is transported to the water collecting chamber 11, multiple heat exchange tubes 3 and the water distribution chamber 12 in sequence through the input pipe 1a and discharged from the output pipe 1b, so that heat exchange is carried out between the water flow and the heat exchange medium in the heat exchange chamber 2a, and the heat of the slag flushing water is recovered.

[0027] In this specific embodiment, the water tank 1 is made of welded steel plates as a whole, and two partitions are arranged in the water tank 1. The two partitions divide the interior of the water tank 1 into a water collecting chamber 11, a water dividing chamber 12 and an installation chamber located between the water collecting chamber 11 and the water dividing chamber 12.

[0028] In this specific embodiment, the liner 2 is U-shaped as a whole, and includes two side plates 21 and a bottom plate 22 connected between the two side plates 21, wherein the heat exchange chamber 2a is formed between the outer wall of the liner 2 and the inner wall of the water tank 1.

[0029] It should be noted that, in order to facilitate the installation and removal of the liner 2, specifically, the two side panels 21 are detachably connected to the water tank 1 via a plurality of locking members. The locking members are not limited to a specific structure. In this specific embodiment, the locking members include a locking rod and two locking blocks. The opposite ends of the locking rod are provided with external threads, and the two locking blocks are provided with internal threads that are screwed with the external threads. The locking rod is inserted into one side panel 21 and the water tank 1, and the opposite ends of the locking rod are screwed with the two locking blocks respectively.

[0030] In this specific embodiment, a base 4 for supporting the bottom plate 22 is provided at the bottom of the water tank 1. The base 4 includes two vertical plates 41 and a support plate 42 connected to the two vertical plates 41. The support plate 42 is an arc-shaped support plate, and the support plate 42 is in conflict with the bottom plate 22.

[0031] On the basis of the above solution, in order to improve the installation strength of the heat exchange tube 3, specifically, a plurality of brackets 23 are provided in the heat exchange chamber 2a, and each bracket 23 is respectively connected to each heat exchange tube 3.

[0032] Specifically, the bracket 23 includes a connecting rod 231 and two semicircular ring blocks 232. One end of the connecting rod 231 is fixedly connected to the semicircular ring block 232. The two semicircular ring blocks 232 are fixedly connected by screwing bolts and nuts. A clamping space for fixing the heat exchange tube 3 is formed between the two semicircular ring blocks 232, wherein the other end of the connecting rod 231 is fixedly connected to the inner wall of the water tank.

[0033] On the basis of the above scheme, a sealing strip 5 for sealing the heat exchange chamber 2a is provided between the water tank 1 and the two side plates 21. The sealing strip 5 is made of a high temperature resistant rubber block, and the outer wall of the water tank 1 is provided with a heat insulation layer.

[0034] On the basis of the above scheme, in order to increase the contact area, specifically, a plurality of ring blocks are fixedly arranged at intervals along the axial direction of the plurality of heat exchange tubes 3. The plurality of ring blocks can increase the contact area between the heat exchange tubes 3 and the heat exchange medium, so that the heat exchange effect is better. Among them, the heat exchange medium is water.

[0035] In this specific embodiment, the heat exchange tube 3 is made of a copper tube. Of course, in other embodiments, the heat exchange tube 3 can also be made of an alloy tube, a stainless steel tube or a carbon steel tube.

[0036] In addition, at least one temperature sensor 6 is provided in the heat exchange chamber 2a. The temperature of the heat exchange medium in the heat exchange chamber 2a is monitored by the temperature sensor 6, so that the temperature of the slag flushing water can be known in real time to determine whether the slag flushing water needs to be replaced.

[0037] The beneficial effects are:

[0038] Compared with the prior art, the utility model provides a cast steel slag flushing water trough with waste heat recovery, in which a water collecting chamber, a water dividing chamber and an installation chamber located between the water collecting chamber and the water dividing chamber are arranged in the water trough, the water collecting chamber and the water dividing chamber are respectively connected with an input pipe and an output pipe; a lining plate is arranged in the installation chamber, and the lining plate separates the installation chamber into a heat exchange chamber and a water storage chamber, and the water storage chamber can contain slag flushing water; a plurality of heat exchange tubes are arranged in the heat exchange chamber, and the water collecting chamber and the water dividing chamber are connected via a plurality of heat exchange tubes; the external water flow is transported to the water collecting chamber, a plurality of heat exchange tubes and the water dividing chamber in sequence via the input pipe and is discharged from the output pipe, so that the waste heat in the slag flushing water can be efficiently extracted for storage or direct use for building heating, and the waste heat originally discharged into the atmosphere can be used for building heating, thereby saving energy.

[0039] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A cast steel slag flushing water tank with waste heat recovery, characterized in that: include A water tank, wherein a water collecting chamber, a water distributing chamber, and a mounting chamber located between the water collecting chamber and the water distributing chamber are provided in the water tank, wherein the water collecting chamber and the water distributing chamber are respectively connected to an input pipe and an output pipe; A lining plate, the lining plate is arranged in the installation cavity, the lining plate divides the installation cavity into a heat exchange chamber and a water storage chamber, the heat exchange chamber contains a heat exchange medium, and the water storage chamber can contain slag flushing water; and, A plurality of heat exchange tubes are arranged in the heat exchange chamber, and the water collecting chamber and the water dividing chamber are communicated with each other via the plurality of heat exchange tubes.

2. A cast steel slag flushing water tank with waste heat recovery according to claim 1, characterized in that: The lining plate includes two side plates and a bottom plate connected between the two side plates. Both of the side plates are detachably connected to the water tank via a plurality of locking members.

3. A cast steel slag flushing water tank with waste heat recovery according to claim 2, characterized in that: A base for supporting the bottom plate is arranged at the bottom of the water tank.

4. The cast steel slag flushing water tank with waste heat recovery according to claim 1, characterized in that: A plurality of brackets are arranged in the heat exchange chamber, and each of the brackets is connected to each of the heat exchange tubes respectively.

5. The cast steel slag flushing water tank with waste heat recovery according to claim 2, characterized in that: A sealing strip for closing the heat exchange chamber is provided between the water tank and the two side plates.

6. A cast steel slag flushing water tank with waste heat recovery according to claim 5, characterized in that: The sealing strip is made of a high temperature resistant rubber block.

7. The cast steel slag flushing water tank with waste heat recovery according to claim 1, characterized in that: A plurality of ring blocks are fixedly arranged at intervals along the axial direction on the plurality of heat exchange tubes.

8. The cast steel slag flushing water tank with waste heat recovery according to claim 1, characterized in that: The outer wall of the water tank is provided with a heat-insulating layer.

9. The cast steel slag flushing water tank with waste heat recovery according to claim 1, characterized in that: At least one temperature sensor is arranged in the heat exchange chamber.

10. The cast steel slag flushing water tank with waste heat recovery according to claim 1, characterized in that: The heat exchange tube is made of copper tube, alloy tube, stainless steel tube or carbon steel tube.