Single-screw pump system with heating spacer bush
By introducing a heating sump and temperature control system into the single screw pump system, the problems of low conveying efficiency and poor sealing of traditional single screw pumps when conveying high-viscosity, easily solidified and temperature-sensitive materials are solved, achieving stable material conveying and maintaining the flexibility of rubber.
Patent Information
- Application Number
- CN202520681163.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-11
AI Technical Summary
Traditional single screw pumps suffer from problems such as low conveying efficiency, clogging, poor sealing, and rubber failure when conveying high-viscosity, easily solidified, and temperature-sensitive materials.
The system employs a single screw pump with a heating jacket, equipped with a temperature sensor and an electrical control system. The pump body and material are heated by a heating medium to maintain the material's flowability and the stator rubber's flexibility. The temperature is regulated using a heat exchange and cooling system.
It improves the conveying capacity of special materials, ensures stable material conveying, avoids blockages and rubber failure, maintains sealing, and enhances production continuity.
Smart Images

Figure CN223952791U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to single screw pump technical field, concretely is a single screw pump system with heating spacer sleeve. BACKGROUND
[0002] In many industrial production fields, the conveying of materials is a key link, with the continuous development of industry, the types of materials involved are easy to be complex, and their physical and chemical properties are increasingly diverse, and the single screw pump is used to convey materials under the prior art.
[0003] However, the inventor found that there are still the following problems in the actual operation process: the traditional single screw pump exposes many problems when facing some special materials, such as: for high viscosity materials, the rotor of the ordinary single screw pump is difficult to effectively push the material under high resistance, resulting in very low conveying efficiency, and even unable to work normally; for easily solidified materials, once the temperature is reduced in the conveying process, the material will solidify in the pump body and pipeline, causing blockage, seriously affecting the production continuity, in addition, there are some materials sensitive to temperature, the fluctuation of temperature may cause the deterioration of materials, affecting the product quality, the stator rubber of the traditional single screw pump is usually made of synthetic rubber, at extremely cold temperature, the rubber activity decreases sharply, resulting in hardening and embrittlement of the rubber, this change makes the stator lose its original good flexibility and sealing property, if the gap between the rotors becomes larger, an effective sealed chamber cannot be formed, which is easy to cause material leakage and backflow; if the gap between the rotors becomes smaller, the rubber is easy to wear and tear under the continuous rotation and friction of the rotors.
[0004] Based on this, the utility model provides a single screw pump system with heating spacer sleeve. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides a single screw pump system with heating spacer sleeve, which has the advantages of heating the pump body, stator rubber and internal material by using heating medium, being equipped with temperature sensor and electric control system, being able to effectively control the temperature of the material, ensuring that the material always maintains good fluidity and stability during the conveying process, greatly improving the conveying capacity of special materials, and under the action of the heating spacer sleeve, the stator rubber always maintains good flexibility and sealing property, ensuring that the material can be stably conveyed during the conveying process, avoiding the problem of conveying interruption caused by the failure of the stator rubber at extremely cold temperature, solving the problems raised in the background art.
[0006] The utility model provides following technical scheme: a single screw pump system with heating spacer sleeve, including single screw pump, the single screw pump includes export cavity, stator and import cavity, the right side of export cavity is provided with stator, the right side of stator is provided with import cavity, the surface of export cavity is pasted with export heating protection sleeve, the top fixed mounting of export cavity has export temperature sensor, the surface of stator is pasted with stator heating protection sleeve, the surface fixed mounting of stator has stator temperature sensor, the surface of import cavity is pasted with cavity heating protection sleeve, the surface fixed connection of import cavity has into cavity, the surface of into cavity is pasted with import heating protection sleeve, the surface of into cavity is provided with extension pipe, the other end fixed mounting of extension pipe has import temperature sensor.
[0007] Preferably, the outer arc surface of the left side of the stator is pasted with an outlet support, the outlet support is connected with a support seat through bolts, the outer arc surface of the right side of the stator is pasted with an inlet support, and the inlet support is connected with a support seat through bolts.
[0008] Preferably, the surface of the stator is provided with an inlet port and an outlet port, the inlet port is connected with a cooling system through a pipeline, and the outlet port is connected with a heat exchange system through a pipeline.
[0009] Preferably, the outlet temperature sensor, the stator temperature sensor and the inlet temperature sensor are connected with an electric control system through a line.
[0010] Preferably, the outlet heating protection sleeve, the cavity heating protection sleeve and the inlet heating protection sleeve are connected with a heat exchange system through a pipeline.
[0011] Preferably, the inside of the outlet support and the inlet support is pasted with four groups of double head bolts, and the two ends of the double head bolts are respectively threadedly connected with fastening nuts.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] The single screw pump system with heating jacket comprises two modules: (1) a stator heating protection system, which is composed of a stator heating protection jacket and a stator temperature sensor, and an electric control system monitors the stator rubber temperature in real time through the stator temperature sensor, adjusts the stator rubber temperature by using a heat exchange system and a cooling system, keeps the stator temperature at a normal level, keeps the stator rubber active, and can also monitor the stator dry burning problem caused by the dry running of the single screw pump; (2) a material heating protection system, which is composed of an inlet heating protection jacket, an outlet heating protection jacket, a cavity heating protection jacket, an inlet temperature sensor and an outlet temperature sensor, and the electric control system monitors the material temperature in real time through the inlet temperature sensor and the outlet temperature sensor, keeps the material in the pump body normal, sets the heating jacket outside the pump body, heats the pump body, the stator rubber and the internal material by using the heating medium, and is equipped with a temperature sensor and an electric control system, which can effectively control the material temperature, ensure that the material keeps good fluidity and stability during the conveying process, greatly improve the conveying capacity of special materials, and keep the stator rubber flexible and sealed under the action of the heating jacket, so that the material can be stably conveyed during the conveying process, and the conveying interruption problem caused by the failure of the stator rubber at extremely low temperature is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a whole structure schematic view of the device of the utility model;
[0015] Figure 2 It is a whole structure schematic view of the device of the utility model;
[0016] Figure 3 It is a whole structure schematic view of the device of the utility model;
[0017] Figure 4 It is another side structure schematic view of the device of the utility model. Figure 1
[0018] In the drawing: 1, single screw pump; 2, outlet heating protection jacket; 3, outlet temperature sensor; 4, stator heating protection jacket; 5, stator temperature sensor; 6, inlet heating protection jacket; 7, cavity heating protection jacket; 8, inlet temperature sensor; 9, heat exchange system; 10, cooling system; 11, electric control system; 12, double head bolt; 13, outlet cavity; 14, outlet support; 15, inlet support; 16, stator; 17, inlet; 18, outlet; 19, inlet cavity; 20, inlet cavity. DETAILED DESCRIPTION
[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0020] Please refer to Figures 1-4 A single screw pump system with a heating spacer sleeve, comprising a single screw pump 1, the single screw pump 1 comprising an outlet cavity 13, a stator 16 and an inlet cavity 19, the right side of the outlet cavity 13 is provided with the stator 16, the right side of the stator 16 is provided with the inlet cavity 19, the surface of the outlet cavity 13 is attached with an outlet heating protective sleeve 2, the top of the outlet cavity 13 is fixedly installed with an outlet temperature sensor 3, the surface of the stator 16 is attached with a stator heating protective sleeve 4, the surface of the stator 16 is fixedly installed with a stator temperature sensor 5, the surface of the inlet cavity 19 is attached with a cavity heating protective sleeve 7, the surface of the inlet cavity 19 is fixedly connected with an inlet cavity 20, the surface of the inlet cavity 20 is attached with an inlet heating protective sleeve 6, the surface of the inlet cavity 20 is provided with an extension pipe, the other end of the extension pipe is fixedly installed with an inlet temperature sensor 8, the electric control system 11 monitors the stator rubber temperature in real time through the stator temperature sensor 5, adjusts the stator rubber temperature by using the heat exchange system 9 and the cooling system 10, so that the temperature of the stator 16 is always kept at a normal level, so as to keep the activity of the stator rubber, and the problem of dry burning of the stator caused by dry running of the single screw pump 1 can also be monitored, at the same time, the material temperature is monitored in real time by the electric control system 11 through the inlet temperature sensor 8 and the outlet temperature sensor 3, the pipe connection relationship between the heat exchange system 9, the cooling system 10, the inlet heating protective sleeve 6, the outlet heating protective sleeve 2 and the cavity heating protective sleeve 7 respectively can adjust the internal material conveying temperature by the heat exchange system 9 and the cooling system 10, so as to keep the material in the pump body can flow normally, by setting the heating spacer sleeve outside the pump body, using the heating medium to heat the pump body, the stator rubber and the internal material, and being equipped with a temperature sensor and an electric control system 11, the material temperature can be effectively controlled, the flowability and stability of the material in the conveying process can be ensured, and the conveying capacity of special materials can be greatly improved.
[0021] Wherein, the outer arc surface of the left side of the stator 16 is attached with an outlet support 14, the outlet support 14 is connected with a support seat through bolts, the outer arc surface of the right side of the stator 16 is attached with an inlet support 15, and the inlet support 15 is connected with a support seat through bolts.
[0022] Wherein, the surface of the stator 16 is provided with an inlet port 17 and an outlet port 18, the cooling system 10 is connected to the inlet port 17 through a pipeline, and the heat exchange system 9 is connected to the outlet port 18 through a pipeline.
[0023] Wherein, the outlet temperature sensor 3, the stator temperature sensor 5 and the inlet temperature sensor 8 are connected with the electric control system 11 through lines.
[0024] Wherein, the outlet heating protection sleeve 2, the cavity heating protection sleeve 7 and the inlet heating protection sleeve 6 are connected with the heat exchange system 9 through pipelines.
[0025] Wherein, the inside of the outlet support 14 and the inlet support 15 is pasted with four groups of double-headed bolts 12, and the two ends of the double-headed bolts 12 are respectively screwed with fastening nuts.
[0026] Working principle, the electric control system 11 monitors the stator rubber temperature in real time through the stator temperature sensor 5, adjusts the stator rubber temperature by using the heat exchange system 9 and the cooling system 10, so that the temperature of the stator 16 is always kept at a normal level, so as to keep the activity of the stator rubber, and the problem of dry burning of the stator caused by dry running of the single screw pump 1 can also be monitored, at the same time, the electric control system 11 monitors the material temperature in real time through the inlet temperature sensor 8 and the outlet temperature sensor 3, and the pipeline connection relationship between the heat exchange system 9 and the cooling system 10 and the inlet heating protection sleeve 6, the outlet heating protection sleeve 2 and the cavity heating protection sleeve 7 respectively, so that the internal material conveying temperature can be adjusted by the heat exchange system 9 and the cooling system 10, so as to keep the material in the pump body can flow normally.
[0027] It should be noted that, in this text, relational terms such as first and second and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed or inherent to such process, method, article, or apparatus.
[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A single screw pump system with a heating diaphragm, characterized in that, The pump includes a single screw pump (1), which includes an outlet chamber (13), a stator (16), and an inlet chamber (19). The stator (16) is located on the right side of the outlet chamber (13), and the inlet chamber (19) is located on the right side of the stator (16). An outlet heating protective sleeve (2) is attached to the surface of the outlet chamber (13), and an outlet temperature sensor (3) is fixedly installed on the top of the outlet chamber (13). A stator heating protective sleeve (4) is attached to the surface of the stator (16), and a stator temperature sensor (5) is fixedly installed on the surface of the stator (16). A cavity heating protective sleeve (7) is attached to the surface of the inlet chamber (19), and an inlet cavity (20) is fixedly connected to the surface of the inlet chamber (19). An inlet heating protective sleeve (6) is attached to the surface of the inlet cavity (20), and an extension tube is provided on the surface of the inlet cavity (20). An inlet temperature sensor (8) is fixedly installed at the other end of the extension tube.
2. The single screw pump system with heating diaphragm according to claim 1, characterized in that: An outlet bracket (14) is attached to the outer arc surface on the left side of the stator (16), and the outlet bracket (14) is connected to a support seat by bolts. An inlet bracket (15) is attached to the outer arc surface on the right side of the stator (16), and the inlet bracket (15) is connected to a support seat by bolts.
3. A single screw pump system with a heating diaphragm according to claim 1, characterized in that: The surface of the stator (16) is provided with an inlet (17) and an outlet (18). The inlet (17) is connected to a cooling system (10) through a pipe, and the outlet (18) is connected to a heat exchange system (9) through a pipe.
4. A single screw pump system with a heating diaphragm according to claim 1, characterized in that: The outlet temperature sensor (3), stator temperature sensor (5) and inlet temperature sensor (8) are connected to the electrical control system (11) via lines.
5. A single screw pump system with a heating diaphragm according to claim 1, characterized in that: The outlet heating protection sleeve (2), the cavity heating protection sleeve (7) and the inlet heating protection sleeve (6) are connected to a heat exchange system (9) via pipelines.
6. A single screw pump system with a heating diaphragm according to claim 2, characterized in that: The outlet bracket (14) and the inlet bracket (15) are fitted with four sets of double-ended bolts (12), and the two ends of the four sets of double-ended bolts (12) are respectively threaded with fastening nuts.