Long-distance constant-temperature conveying pipe for red phosphorus flame retardant granulator

By wrapping a constant-temperature water pipe and an electric heating wire around the conveying pipe of the red phosphorus flame retardant granulator, combined with an embedded sensor and control box, the problem of uneven temperature in the conveying pipe was solved, improving the consistency of liquid delivery and the quality of subsequent reactions.

CN223814464UActive Publication Date: 2026-01-20TONGCHENG SHINDE NEW MATERIALS
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Patent Information

Application Number
CN202520675840.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-01-20
Estimated Expiration
2035-04-11

AI Technical Summary

Technical Problem

The existing red phosphorus flame retardant granulator conveying pipeline is long and affected by the external temperature environment, resulting in large temperature differences at various locations. This affects the consistency of the viscosity and flow rate of the conveyed liquid, and consequently affects the quality of subsequent reaction processing.

Method used

A remote constant-temperature conveying pipe for a red phosphorus flame retardant granulator is designed. By wrapping the conveying pipe with an insulation sleeve and winding a constant-temperature water pipe and an electric heating wire inside, and equipping it with an embedded water temperature sensor and control box, the temperature of each section of the conveying pipe can be adjusted in real time to ensure the consistency of liquid delivery.

Benefits of technology

This achieves uniformity in the viscosity and flow rate of the transported liquid, thereby improving the quality of the reaction processing in subsequent reactors.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a long-distance constant-temperature conveying pipe for a red phosphorus flame retardant granulator, which belongs to the technical field of red phosphorus flame retardant processing equipment and comprises a plurality of sections of conveying pipes. The outer end of the support rod is connected to the wall face of a factory through a flange, a conveying pipe body is clamped at the inner end of the support rod through a lantern ring, the periphery of the conveying pipe is wrapped with a heat preservation sleeve, and constant-temperature water pipes and electric heating wires which are distributed at intervals in a staggered mode are spirally attached to and wound around the portion, inside the heat preservation sleeve, of the conveying pipe body. And one end of the constant-temperature water pipe is communicated with a water inlet pipe and the other end is communicated with a water outlet pipe. According to the long-distance constant-temperature conveying pipe, the multiple temperature control units are designed, the temperature of conveyed liquid in all the areas of the conveying pipe body is accurately regulated and controlled, the consistency of the viscosity and the flowing speed of the conveyed liquid is guaranteed, and the subsequent reaction machining quality of a reaction kettle is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the red phosphorus flame retardant processing equipment technical field, more specifically, relate to a kind of red phosphorus flame retardant granulator with long-distance constant-temperature conveying pipe. BACKGROUND

[0002] The existing red phosphorus flame retardant granulator generally passes through double-screw extrusion mechanism, plasticizes mixed raw material, and is processed into required granules by subsequent reaction kettle and pelletizer and other equipment, in the process, the plasticized raw material needs to be conveyed to the reaction kettle by the conveying pipe, and the reaction kettle is in liquid state to carry out reaction, and the temperature of the liquid state needs to be ensured during transportation, so as to ensure the viscosity and flow speed, so that the same amount of the raw material is easily controlled to be added into the reaction kettle.

[0003] The existing conveying pipe has a long length, and is affected by the temperature environment of different areas, so that the temperature values of different positions of the pipe body have large temperature difference, which affects the consistency of the viscosity and flow speed of the internal conveying liquid, and further affects the subsequent reaction processing quality, so a long-distance constant-temperature conveying pipe specially used for the red phosphorus flame retardant granulator needs to be designed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of long-distance constant-temperature conveying pipe for red phosphorus flame retardant granulator, the long-distance constant-temperature conveying pipe is accurately regulated and controlled to the temperature of conveying liquid in the internal of each area of the pipe body of conveying pipe by design multiple temperature control units, the consistency of the viscosity and flow speed of the conveying liquid is ensured, and the subsequent reaction kettle reaction processing quality is improved.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme as follows:

[0006] A kind of long-distance constant-temperature conveying pipe for red phosphorus flame retardant granulator, including several sections of conveying pipe, wherein each section of conveying pipe is supported and fixed by the support rod of both sides, the outer end of the support rod is connected to the wall surface of factory area by flange, and the inner end of the support rod is clamped and mounted the pipe body of conveying pipe by sleeve ring, the pipe body of conveying pipe in the inner of the heat preservation sleeve is spirally attached and wound with constant-temperature water pipe and electric heating wire that are spaced and staggered, one end of the constant-temperature water pipe is communicated with water inlet pipe, and the other end is communicated with water outlet pipe, the electric heating wire is divided into equidistant sections, and the control line of each section of electric heating wire is connected to the outer end terminal post position of rear control box.

[0007] As a further optimization of the scheme, the interface row plug-in on the control box is provided, the interface row plug-in is connected with a plurality of embedded water temperature sensors through a line, the needle type probe of the embedded water temperature sensor is inserted into the side through hole of the constant temperature water pipe and is sealed through a sealing ring, the control box is connected to the rear concentrator through an electric wire, and the concentrator is externally connected to a power supply through an electric wire.

[0008] As a further optimization of the scheme, the control box and the concentrator are arranged on the upper surface of the concave supporting plate, and the concave supporting plate is sleeved on the corresponding side supporting rod.

[0009] As a further optimization of the scheme, the circulating water pump is connected to the pipeline of the water inlet pipe, and the water inlet pipe and the water outlet pipe are connected to the constant temperature water tank.

[0010] As a further optimization of the scheme, a plurality of through holes are formed in the surface of the heat preservation sleeve, and the through holes pass through the water inlet pipe, the water outlet pipe, the control line and the line.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] In the utility model, a special constant temperature structure is designed for each conveying pipe, is applicable to a plurality of conveying pipes connected at a distance, and the constant temperature water is circulated into the constant temperature water pipe through spiral adhesion, so that the heat preservation treatment is carried out, and meanwhile, a plurality of groups of electric heating wires, a control box and an embedded water temperature sensor structure are combined, when the embedded water temperature sensor detects that the water temperature difference of a certain area of the single conveying pipe is large, the signal can be transmitted to the control box through a line, the electric heating wire of the area is controlled to work, the single heating treatment is carried out on the conveying pipe of the area, until the temperature difference detected by the embedded water temperature sensor meets the liquid transportation temperature interval requirement, the consistency of the viscosity and the flow speed of the conveying liquid is ensured, and the reaction processing quality of the subsequent reaction kettle is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a single section structure schematic view of the utility model long-distance constant temperature conveying pipe (part of the heat preservation sleeve is removed);

[0014] Figure 2 It is a control box connection structure schematic view of the utility model (part of the heat preservation sleeve is removed);

[0015] Figure 3 It is a supporting rod connection structure schematic view of the utility model (part of the heat preservation sleeve is removed);

[0016] In the diagram: 1. Support rod; 2. Collar; 3. Flange; 4. Insulation sleeve; 5. Delivery pipe; 6. Constant temperature water pipe; 7. Electric heating wire; 8. Inlet pipe; 9. Outlet pipe; 10. Control box; 11. Interface connector; 12. Embedded water temperature sensor; 13. Wiring; 14. Hub; 15. Wire; 16. Support plate; 17. Circulating water pump; 18. Control line. Detailed Implementation

[0017] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the following description, in conjunction with specific illustrations, further elaborates on this utility model.

[0018] To address the issue that existing delivery pipelines, due to their long length and the influence of different external temperature environments, result in significant temperature differences at various locations within the pipeline, affecting the consistency of the viscosity and flow velocity of the liquid being transported, and consequently impacting the quality of subsequent reaction processing;

[0019] like Figure 1 As shown, this application includes several sections of conveying pipe 5, wherein each section of conveying pipe 5 is supported and fixed by support rods 1 on both sides. The outer end of the support rod 1 is connected to the wall of the factory area through flange 3, and the inner end of the support rod 1 is clamped with the body of the conveying pipe 5 through collar 2. The conveying pipe 5 is wrapped with a heat insulation sleeve 4. The body of the conveying pipe 5 inside the heat insulation sleeve 4 is spirally wrapped with a constant temperature water pipe 6 and an electric heating wire 7 distributed at intervals. One end of the constant temperature water pipe 6 is connected to an inlet pipe 8 and the other end is connected to an outlet pipe 9. The electric heating wire 7 is divided into several equally spaced segments, and the control wires 18 at both ends of each segment of the electric heating wire 7 are connected to the terminal block position of the control box 10 at the rear.

[0020] like Figure 2 As shown, the control box 10 is equipped with an interface connector 11 on top. The interface connector 11 is connected to several embedded water temperature sensors 12 via a line 13. The needle-shaped probe of the embedded water temperature sensor 12 extends into the side through hole of the constant temperature water pipe 6 and is sealed by a sealing ring. The control box 10 is connected to the hub 14 at the rear via a wire 15. The hub 14 is connected to an external power supply via the wire 15.

[0021] like Figure 3 As shown, both the control box 10 and the hub 14 are mounted on the upper surface of the concave support plate 16, and both ends of the concave support plate 16 are fitted onto the corresponding side of the bracket rod 1.

[0022] Specific use, the pipeline of the water inlet pipe 8 is communicated with a circulating water pump 17, the water inlet pipe 8 and the water outlet pipe 9 are communicated to the inside of the constant temperature water tank, for constantly supplying constant temperature water, the surface of the heat preservation sleeve 4 is provided with a plurality of through holes and the through hole is penetrated by the water inlet pipe 8, the water outlet pipe 9, the control line 18 and the line 13, each conveying pipe 5 is circulated into constant temperature water by the spiral fitting constant temperature water pipe 6, carries out heat preservation treatment, when the embedded water temperature sensor 12 detects that the water temperature difference of the single section conveying pipe 5 in some area is larger, the signal can be transmitted to the control box 10 through the line 13, the control box 10 controls the work of the electric heating wire 7 in the area, and the single heating treatment is carried out to the conveying pipe 5 in the area, until the temperature difference detected by the embedded water temperature sensor 13 meets the liquid transportation temperature interval requirement, the consistency of the viscosity and flow speed of the conveying liquid is guaranteed, and the reaction processing quality of subsequent reaction kettle is improved.

[0023] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, and the mechanical parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection mode in the prior art, which will not be described in detail here.

[0024] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled person in the art should understand that the utility model is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A kind of red phosphorus flame retardant granulator with remote constant-temperature conveying pipe, comprising several sections of conveying pipe, wherein each section of conveying pipe is supported and fixed by support rod on both sides, the outer end of the support rod is connected to the wall of factory area by flange and the inner end of the support rod is clamped with the pipe body of conveying pipe by sleeve ring, characterized in that: The conveying pipe is wrapped with a heat preservation sleeve, the conveying pipe body inside the heat preservation sleeve is spirally and closely wrapped with constant temperature water pipes and electric heating wires which are distributed in an alternating manner, one end of the constant temperature water pipes is communicated with a water inlet pipe and the other end is communicated with a water outlet pipe, the electric heating wires are divided into several equal intervals, and the control lines at both ends of each electric heating wire are connected to the external terminal posts of the control box. ​ 2. A remote thermostatic delivery tube for a red phosphorus flame retardant prilling machine according to claim 1, characterized in that: An interface row plug is arranged above the control box, the interface row plug is connected with several embedded water temperature sensors through wires, the needle type probe of the embedded water temperature sensor extends into the side through hole of the constant temperature water pipe and is sealed by a sealing ring, the control box is connected to the rear collecting seat through wires, and the collecting seat is externally connected to a power supply through wires.

3. A remote thermostatic delivery tube for a red phosphorus flame retardant prilling machine according to claim 2, characterized in that: The control box and the collecting seat are arranged on the upper surface of a concave supporting plate, and both ends of the concave supporting plate are sleeved on the corresponding side supporting rod.

4. A remote thermostatic delivery tube for a red phosphorus flame retardant prilling machine according to claim 3, characterized in that: A circulating water pump is connected to the pipeline of the water inlet pipe, and the water inlet pipe and the water outlet pipe are communicated to the inside of a constant temperature water tank.

5. A remote thermostatic delivery tube for a red phosphorus flame retardant prilling machine according to claim 4, characterized in that: A plurality of through holes are formed on the surface of the heat preservation sleeve, and the through holes pass through the water inlet pipe, the water outlet pipe, the control lines and the wires.