Waste heat recovery device for phosphorus chemical industry production

Abstract

The utility model relates to the technical field of waste heat recovery devices, in particular to a waste heat recovery device for phosphorus chemical industry production, which comprises a collection cover, a preheating barrel and a dispersion pipe, and has the beneficial effects that a large amount of heat is generated in a reaction kettle in the phosphorus chemical industry production through the arrangement of the collection cover, the heat is collected by the collection cover, and an air feeder is started; the device has the advantages that waste heat generated in the phosphorus chemical industry production process can be fully utilized, energy waste and environmental pollution are reduced, the production energy efficiency and environmental sustainability are improved, the heat enters the four heat dissipation pipes from the conveying pipes respectively, and the heat dissipation pipes are used for heat dissipation. Heat in the heat dissipation pipe enters the plurality of dispersion pipes, and due to the fact that one end of the inner side of each dispersion pipe extends to the center of the preheating barrel, the dispersion pipes can evenly heat raw materials, and the heat utilization rate is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery devices, in particular to a waste heat recovery device for phosphorus chemical production. Background Art

[0002] Phosphorus chemical production refers to the process of producing various phosphorus chemical products using phosphate rock as raw material through a series of chemical reactions and process flows. Phosphorus chemical products are widely used in agriculture, chemical industry, medicine, building materials and other fields.

[0003] In the prior art, during the phosphorus chemical production process, excess hot air is discharged into the air, which leads to high temperatures in the production workshop and a poor working environment. In addition, a large amount of heat energy is generated during the phosphorus chemical production process, but it is often discharged in the form of waste gas or wastewater, resulting in energy waste and environmental pollution. Therefore, the utility model proposes a waste heat recovery device for phosphorus chemical production to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a waste heat recovery device for phosphorus chemical production to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a waste heat recovery device for phosphorus chemical production, comprising

[0006] A reactor, wherein a steam port is provided in the middle of the top plate of the reactor, a collecting hood is connected to the outside of the steam port at the top of the reactor, the collecting hood is in the shape of an inverted bucket, the top of the collecting hood is connected to a conveying pipe, the conveying pipe is in the shape of an n-type tube, the other end of the conveying pipe is connected to a preheating barrel, the other end of the conveying pipe is connected in the middle of the top of the preheating barrel, the lower left end of the preheating barrel is connected in a through-connection with a feeding tube, the other end of the feeding tube is connected to the reactor, the other end of the feeding tube is connected in a through-connection with the upper right end of the reactor, and the right front side of the top of the preheating barrel is connected in a through-connection with a feed hopper.

[0007] Preferably, the right side of the top end of the conveying pipe is connected to a blowing pipe, the top end of the blowing pipe is connected to a blower, and the blower is fixed at the middle position of the top end of the blowing pipe.

[0008] Preferably, four heat dissipation tubes are connected to a circular array on the upper side of the right tube of the transmission tube, and the heat dissipation tubes are all inverted L-shaped tubes. The inner end of each heat dissipation tube is connected with a plurality of dispersion tubes, and a linear array of the dispersion tubes is connected to the inner end of the heat dissipation tube, and the inner ends of all the dispersion tubes are connected to the preheating barrel by plugging, and the outer circumference of the preheating barrel is connected with a plurality of dispersion tubes by plugging, and the inner ends of the dispersion tubes extend to the center of the preheating barrel.

[0009] Preferably, the reaction kettle is connected to the preheating barrel via a feeding tube, and a valve is provided at the lower end of the feeding tube.

[0010] Preferably, a spiral tube is fixed on the outside of the reactor, and the spiral tube is a spiral tube. The spiral tube is spirally connected to the outside of the curved surface of the reactor. The top end of the spiral tube is connected to a heat collecting tube, and the heat collecting tube is an L-shaped tube. The other end of the heat collecting tube is connected to the front end of the left tube of the transmission tube.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides a collecting hood. A large amount of heat is generated in the reactor during phosphorus chemical production. The collecting hood collects the heat. The blower is started. The heat enters the preheating barrel through the transmission pipe to preheat the raw materials for phosphorus chemical production. The device has the advantage of being able to fully utilize the waste heat generated in the phosphorus chemical production process, reduce energy waste and environmental pollution, and improve production energy efficiency and environmental sustainability. The heat enters four heat dissipation pipes from the transmission pipes respectively, and the heat in the heat dissipation pipes enters a plurality of dispersion pipes respectively. Since one end of the inner side of the dispersion pipes extends to the center of the preheating barrel, the dispersion pipes can achieve uniform heating of the raw materials. The spiral pipes absorb the heat from the outside of the reactor. The heat enters the transmission pipe from the heat collecting pipe, thereby increasing the heat utilization rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a front sectional view of the utility model.

[0015] In the figure: reactor 1, steam port 2, collecting hood 3, conveying pipe 4, blowing pipe 5, blower 6, preheating barrel 7, heat dissipation pipe 8, dispersion pipe 9, feed hopper 10, feeding barrel 11, valve 12, spiral pipe 13, heat collecting pipe 14. DETAILED DESCRIPTION

[0016] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0020] See also Figure 1 to Figure 2 The utility model provides a technical solution: a waste heat recovery device for phosphorus chemical production, including

[0021] Reactor 1, a steam port 2 is opened through the middle position of the top plate of reactor 1, a collecting cover 3 is connected to the outside of the steam port 2 at the top of reactor 1, the collecting cover 3 is in the shape of an inverted bucket, the top of the collecting cover 3 is connected to the conveying pipe 4, the conveying pipe 4 is in the shape of an n-type tube, the other end of the conveying pipe 4 is connected to the preheating barrel 7, the other end of the conveying pipe 4 is connected through the middle position of the top of the preheating barrel 7, the lower left end of the preheating barrel 7 is connected through the feeding tube 11, the other end of the feeding tube 11 is connected to the reactor 1, the other end of the feeding tube 11 is connected through the upper right end of the reactor 1, the right front side of the top of the preheating barrel 7 is connected through the feeding hopper 10, the right top of the conveying pipe 4 is connected The side is connected to the blowing pipe 5, the top of the blowing pipe 5 is connected to the blower 6, the blower 6 is fixed in the middle position of the top of the blowing pipe 5, the reactor 1 is connected to the preheating barrel 7 through the feeding tube 11, and the lower end of the feeding tube 11 is provided with a valve 12. The phosphorus chemical production generates a large amount of heat in the reactor 1, the collecting hood 3 collects the heat, the blower 5 is started, and the heat enters the preheating barrel 7 through the transmission pipe 4 to preheat the raw materials for the phosphorus chemical production. The device has the advantage that it can make full use of the waste heat generated in the phosphorus chemical production process, reduce energy waste and environmental pollution, and improve production energy efficiency and environmental sustainability.

[0022] Four heat dissipation tubes 8 are connected to the upper circumference of the right tube of the conveying tube 4. The heat dissipation tubes 8 are all inverted L-shaped tubes. One end of the inner side of each heat dissipation tube 8 is connected through a plurality of dispersion tubes 9. A plurality of dispersion tubes 9 are connected to one end of the inner side of the heat dissipation tube 8 in a linear array. One end of the inner side of all dispersion tubes 9 is connected to the preheating barrel 7 through a plug-in connection. The outer circumference of the preheating barrel 7 is connected to a plurality of dispersion tubes 9 in a whole row. One end of the inner side of the dispersion tube 9 extends to the center of the preheating barrel 7. A spiral tube 13 is fixed to the outside of the reactor 1. The spiral tube 13 is a spiral tube. The spiral tube 13 is spiral. It is connected to the outer side of the curved surface of the reactor 1, and the top end of the spiral tube 13 is connected to the heat collecting tube 14. The heat collecting tube 14 is an L-shaped tube. The other end of the heat collecting tube 14 is connected to the front end of the left tube of the transmission tube 4. The heat enters the four heat dissipation tubes 8 from the transmission tube 4 respectively, and the heat in the heat dissipation tubes 8 enters several dispersion tubes 9 respectively. Since one end of the inner side of the dispersion tube 9 extends to the center of the preheating barrel 7, the dispersion tube 9 can achieve uniform heating of the raw materials. The spiral tube 13 absorbs the heat from the outside of the reactor 1, and the heat enters the transmission tube 4 from the heat collecting tube 14, thereby increasing the heat utilization rate.

[0023] Working principle: In actual operation, phosphorus chemical production generates a large amount of heat in the reactor 1, the collecting hood 3 collects the heat, the blower 5 is started, and the heat enters the preheating barrel 7 through the transmission pipe 4 to preheat the raw materials of phosphorus chemical production. The advantage of this device is that it can make full use of the waste heat generated in the phosphorus chemical production process, reduce energy waste and environmental pollution, and improve production energy efficiency and environmental sustainability. The heat enters four heat dissipation pipes 8 from the transmission pipe 4, and the heat in the heat dissipation pipe 8 enters several dispersion pipes 9 respectively. Since the inner end of the dispersion pipe 9 extends to the center of the preheating barrel 7, the dispersion pipe 9 can achieve uniform heating of the raw materials. The spiral tube 13 absorbs the heat from the outside of the reactor 1, and the heat enters the transmission pipe 4 from the heat collecting pipe 14 to increase the heat utilization rate.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waste heat recovery device for phosphorus chemical production, characterized in that: include A reactor (1), wherein a steam port (2) is provided through the middle of a top plate of the reactor (1), a collecting hood (3) is connected to the outside of the steam port (2) at the top of the reactor (1), the collecting hood (3) is in an inverted bucket shape, the top of the collecting hood (3) is connected to a conveying pipe (4), the conveying pipe (4) is in an n-shaped tube shape, the other end of the conveying pipe (4) is connected to a preheating barrel (7), the other end of the conveying pipe (4) is connected through the middle of the top of the preheating barrel (7), the left lower end of the preheating barrel (7) is connected through a feeding tube (11), the other end of the feeding tube (11) is connected to the reactor (1), the other end of the feeding tube (11) is connected through the upper right end of the reactor (1), and the right front side of the top of the preheating barrel (7) is connected through a feeding hopper (10).

2. A waste heat recovery device for phosphorus chemical production according to claim 1, characterized in that: The top right side of the conveying pipe (4) is connected to the blowing pipe (5), and the top of the blowing pipe (5) is connected to the air blower (6), and the air blower (6) is fixed at the middle position of the top of the blowing pipe (5).

3. A waste heat recovery device for phosphorus chemical production according to claim 1, characterized in that: Four heat dissipation tubes (8) are connected in a circular array on the upper side of the right tube of the transmission tube (4); the heat dissipation tubes (8) are all in an inverted L-shaped tube shape; one end of the inner side of each heat dissipation tube (8) is connected through a plurality of dispersion tubes (9); a plurality of dispersion tubes (9) are connected in a linear array to one end of the inner side of the heat dissipation tube (8); one end of the inner side of all the dispersion tubes (9) is connected through and plugged into the preheating barrel (7); a plurality of dispersion tubes (9) are connected in a circular array on the outer side of the preheating barrel (7); one end of the inner side of the dispersion tube (9) extends to the center of the preheating barrel (7).

4. A waste heat recovery device for phosphorus chemical production according to claim 1, characterized in that: The reaction kettle (1) is connected to the preheating barrel (7) via a feeding tube (11), and a valve (12) is provided at the lower end of the feeding tube (11).

5. The waste heat recovery device for phosphorus chemical production according to claim 1, characterized in that: A spiral tube (13) is fixed on the outside of the reactor (1). The spiral tube (13) is in the shape of a spiral tube. The spiral tube (13) is spirally connected to the outside of the curved surface of the reactor (1). The top end of the spiral tube (13) is connected to a heat collecting tube (14). The heat collecting tube (14) is in the shape of an L-shaped tube. The other end of the heat collecting tube (14) is connected to the front end of the left tube of the transmission tube (4).

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