Equipment for preheating boiler water

By introducing a heat insulation structure and a stirring mechanism into the boiler water preheating device, the problems of uneven mixing of hot and cold water and high-temperature damage are solved, and the effects of uniform heating and efficient heat insulation are achieved.

CN223191824UActive Publication Date: 2025-08-05HANZHONG DERUN ENVIRONMENTAL PROTECTION TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422492334.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-08-05
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

During the preheating of boiler water, the hot and cold water mixes unevenly, which affects the heating effect and the lack of effective insulation measures leads to high temperature damage.

Method used

A device including a preheating tank, a heat insulation pad, an insulating coupling, a coupling, a stepper motor and a heat mixing rod is designed. By heating the heating block by heating electric wire, the stepper motor drives the coupling and an insulating coupling to drive the transmission shaft and a heat mixing rod to stir the water flow, and combines the heat insulation pad and a heat insulation felt to improve the heat insulation effect.

Benefits of technology

The uniform heating of cold water is achieved, the preheating effect is improved, and the high-temperature damage is reduced through a multi-layer thermal insulation structure to ensure the safety and efficiency of the device.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223191824U_ABST
    Figure CN223191824U_ABST
Patent Text Reader

Abstract

The utility model discloses equipment for preheating boiler water, which relates to the technical field of boiler water preheating and comprises a preheating tank, a first heat insulation pad is arranged on the outer wall of one side of the preheating tank, a second heat insulation pad is arranged on the outer wall of the first heat insulation pad, and a heat insulation connecting shaft is rotatably connected to the inner wall of the first heat insulation pad. The inner wall of the second heat insulation pad is rotationally connected with a coupler. According to the equipment for preheating boiler water, a heating block is conveniently heated through a heating electric wire, the heating block facilitates uniform temperature heating, a heat insulation connecting shaft drives a transmission shaft to rotate, and then a heat mixing rod is driven to mix and stir hot water, so that the preheating effect is favorably improved; the first heat insulation pad, the second heat insulation pad and the heat insulation connecting shaft facilitate heat insulation of the stepping motor, the supporting base conveniently fixes the bottom of the preheating tank through the fixing clamping groove, the heat insulation felt conducts basic heat insulation on the preheating tank, the heat insulation bottom plate facilitates further heat insulation, and the overall heat insulation effect can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field related to boiler water preheating, in particular to equipment for boiler water preheating. Background Art

[0002] A boiler is an energy conversion device. Fuel and cold water with thermal energy are input into the boiler. After conversion by the boiler, steam, high-temperature water or organic heat carrier with a certain amount of thermal energy is output to meet people's production and life needs. There are also steam boilers used to provide corresponding mechanical energy drive. Both steam and high-temperature water require water as the energy conversion carrier. Therefore, the boiler needs to be replenished with water due to the consumption of water vapor during use. Cold water can easily reduce the heating efficiency of the boiler. Therefore, there is an urgent need for a device for preheating boiler water.

[0003] At present, it is inconvenient to preheat the boiler water to mix the hot and cold water evenly, which affects the heating effect, and it is inconvenient to insulate and easily cause high temperature damage. Utility Model Content

[0004] The purpose of the utility model is to provide a device for preheating boiler water to solve the problems in the above background technology that preheating boiler water is inconvenient for uniformly mixing hot and cold water, affecting the heating effect, and is inconvenient for heat insulation and easily causes high temperature damage.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an equipment for preheating boiler water, comprising a preheating tank, a first thermal insulation pad is provided on the outer wall of one side of the preheating tank, a second thermal insulation pad is provided on the outer wall of the first thermal insulation pad, the inner wall of the first thermal insulation pad is rotatably connected with an insulation coupling, the inner wall of the second thermal insulation pad is rotatably connected with a coupling, one end of the coupling is connected and fixed to one end of the insulation coupling, the other end of the coupling is connected and fixed to a stepper motor, the stepper motor is provided on the outer wall of the second thermal insulation pad, the other end of the insulation coupling is connected and fixed to one end of a transmission shaft, the other end of the transmission shaft is rotatably connected to the inner wall of the other side of the preheating tank, and the outer peripheral surface of the transmission shaft is evenly provided with mixing rods.

[0006] Preferably, the inner wall of the preheating tank is provided with a heating block, and the interior of the heating block is provided with evenly distributed heating wires.

[0007] Preferably, the top of the preheating tank is connected to two symmetrically distributed cold water pipes, the top ends of the cold water pipes are provided with connecting flanges, and the cold water pipes are provided with water pumps.

[0008] Preferably, the bottom of the preheating tank is connected to two symmetrically distributed boiler connecting pipes, and the boiler connecting pipes are provided with stop valves.

[0009] Preferably, a support base is provided at the bottom of the preheating tank, a fixing slot adapted to the preheating tank is provided at the top of the support base, and an inner wall of the fixing slot is provided with heat-insulating felt.

[0010] Preferably, a heat-insulating bottom plate is provided at the bottom of the support base, and a fixed bottom plate is provided at the bottom of the heat-insulating bottom plate.

[0011] Preferably, fixing screw grooves are provided on both sides of the fixing base plate, and the fixing screw grooves are connected and fixed to the fixing base plate by fixing bolts adapted thereto.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. This equipment for preheating boiler water heats the heating block by means of a heating wire. The heating block heats the water at a uniform temperature and heats the cold water. Continuous inflow of cold water affects the heating balance. The stepper motor drives the coupling to rotate, which in turn drives the heat-insulating coupling to rotate. The heat-insulating coupling drives the transmission shaft to rotate, which in turn drives the heat-mixing rod to mix and stir the hot water, thereby improving the preheating effect. The first heat-insulating pad, the second heat-insulating pad, and the heat-insulating coupling are used to insulate the stepper motor, thereby reducing damage caused by high temperatures.

[0014] 2. This equipment is used for preheating boiler water. The support base is convenient for fixing the bottom of the preheating tank through the fixing slot. The insulation felt is convenient for basic insulation of the preheating tank. The insulation bottom plate is convenient for further insulation, which helps to improve the overall insulation effect. The connecting flange is convenient for installation and fixation with the external water pipe. It is connected to the boiler through the boiler connecting pipe. The stop valve is convenient for controlling the opening and closing. The fixing bolts pass through the fixed bottom plate to facilitate the fixation of the support base. It is easy and quick to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of a partial three-dimensional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the preheating tank of the present utility model;

[0018] Figure 4 This is a schematic diagram of the internal cross-sectional structure of the preheating tank of the present invention.

[0019] In the figure: 1. Preheating tank; 2. First insulation pad; 3. Second insulation pad; 4. Insulation coupling; 5. Coupling; 6. Stepper motor; 7. Drive shaft; 8. Mixing rod; 9. Heating block; 10. Heating wire, cold water pipe; 11. Connecting flange; 12. Water pump; 13. Boiler connecting pipe; 14. Stop valve; 15. Support base; 16. Fixing slot; 17. Insulation felt; 18. Insulation base plate; 19. Fixing base plate; 20. Fixing screw groove; 21. Fixing bolt. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-4The utility model provides a technical solution: an equipment for preheating boiler water, comprising a preheating tank 1, an outer wall of one side of the preheating tank 1 is provided with a first thermal insulation pad 2, an outer wall of the first thermal insulation pad 2 is provided with a second thermal insulation pad 3, the inner wall of the first thermal insulation pad 2 is rotatably connected with a thermal insulation coupling 4, the inner wall of the second thermal insulation pad 3 is rotatably connected with a coupling 5, one end of the coupling 5 is fixedly connected to one end of the thermal insulation coupling 4, the other end of the coupling 5 is fixedly connected to a stepper motor 6, the stepper motor 6 is provided on the outer wall of the second thermal insulation pad 3, the other end of the thermal insulation coupling 4 is fixedly connected to one end of a transmission shaft 7, the other end of the transmission shaft 7 is rotatably connected to the inner wall of the other side of the preheating tank 1, the outer circumferential surface of the transmission shaft 7 is evenly provided with mixing rods 8, the inner wall of the preheating tank 1 is provided with a heating block 9, the inside of the heating block 9 is provided with uniformly distributed heating wires 10, the bottom of the preheating tank 1 is provided with a support base 15, and the top of the support base 15 is provided with a The heating tank 1 is adapted to a fixed slot 16, and the inner wall of the fixed slot 16 is provided with a thermal insulation felt 17. The bottom of the support base 15 is provided with a thermal insulation bottom plate 18. The heating wire 10 is used to heat the heating block 9. The heating block 9 is convenient for uniform heating temperature and convenient for heating cold water. Cold water continuously enters, affecting the balance of heating. The coupling 5 is driven to rotate by the stepper motor 6, and the coupling 5 drives the thermal insulation coupling 4 to rotate. The thermal insulation coupling 4 drives the transmission shaft 7 to rotate, and then drives the mixing rod 8 to mix and stir the hot water, which helps to improve the preheating effect. The first thermal insulation pad 2, the second thermal insulation pad 3 and the thermal insulation coupling 4 facilitate thermal insulation of the stepper motor 6, which helps to reduce high temperature damage. The support base 15 is convenient for fixing the bottom of the preheating tank 1 through the fixed slot 16, the thermal insulation felt 17 facilitates basic thermal insulation of the preheating tank 1, and the thermal insulation bottom plate 18 facilitates further thermal insulation, which helps to improve the overall thermal insulation effect.

[0022] The top of the preheating tank 1 is connected to two symmetrically distributed cold water pipes, the top of the cold water pipe is provided with a connecting flange 11, and a water pump 12 is provided on the cold water pipe. The bottom of the preheating tank 1 is connected to two symmetrically distributed boiler connecting pipes 13, and a stop valve 14 is provided on the boiler connecting pipe 13. A fixed base plate 19 is provided at the bottom of the insulation base plate 18, and fixed screw grooves 20 are provided on both sides of the fixed base plate 19. The fixed screw grooves 20 are connected and fixed to the fixed base plate 19 by providing fixing bolts 21 adapted thereto. The water pump 12 facilitates the introduction of cold water into the interior of the preheating tank 1 through the cold water pipe. The connecting flange 11 is convenient for installation and fixation with an external water pipe and is connected to the boiler through the boiler connecting pipe 13. The stop valve 14 facilitates control of opening and closing, and the fixing bolts 21 pass through the fixed base plate 19 to facilitate fixation of the support base 15. It is convenient and quick to use.

[0023] Working principle: First, the heating wire 10 is used to heat the heating block 9, which is convenient for uniform heating temperature and convenient for heating cold water. Cold water continuously enters, affecting the heating balance. The stepper motor 6 drives the coupling 5 to rotate, and the coupling 5 drives the insulation coupling 4 to rotate. The insulation coupling 4 drives the transmission shaft 7 to rotate, and then drives the mixing rod 8 to mix and stir the hot water, which helps to improve the preheating effect. The first insulation pad 2, the second insulation pad 3 and the insulation coupling 4 are used to insulate the stepper motor 6, which helps to reduce high temperature losses. The support base 15 is convenient for fixing the bottom of the preheating tank 1 through the fixing slot 16, the insulating felt 17 is convenient for basic insulation of the preheating tank 1, and the insulating bottom plate 18 is convenient for further insulation, which helps to improve the overall insulation effect. The connecting flange 11 is convenient for installation and fixation with the external water pipe, and is connected to the boiler through the boiler connecting pipe 13. The stop valve 14 is convenient for controlling the opening and closing. The fixing bolts 21 pass through the fixed bottom plate 19 to facilitate fixing the support base 15. It is convenient and quick to use, thus completing the operating process of an equipment for preheating boiler water.

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

Claims

1. A device for preheating boiler water, characterized in that: The invention comprises a preheating tank (1), wherein a first thermal insulation pad (2) is provided on an outer wall of one side of the preheating tank (1), a second thermal insulation pad (3) is provided on the outer wall of the first thermal insulation pad (2), an inner wall of the first thermal insulation pad (2) is rotatably connected to a thermal insulation coupling (4), an inner wall of the second thermal insulation pad (3) is rotatably connected to a coupling (5), one end of the coupling (5) is fixedly connected to one end of the thermal insulation coupling (4), the other end of the coupling (5) is fixedly connected to a stepper motor (6), the stepper motor (6) is provided on the outer wall of the second thermal insulation pad (3), the other end of the thermal insulation coupling (4) is fixedly connected to one end of a transmission shaft (7), the other end of the transmission shaft (7) is rotatably connected to the inner wall of the other side of the preheating tank (1), and a heat mixing rod (8) is evenly provided on the outer peripheral surface of the transmission shaft (7).

2. The equipment for preheating boiler water according to claim 1, characterized in that: The inner wall of the preheating tank (1) is provided with a heating block (9), and the interior of the heating block (9) is provided with uniformly distributed heating wires (10).

3. The equipment for preheating boiler water according to claim 1, characterized in that: The top of the preheating tank (1) is connected to two symmetrically distributed cold water pipes, the top ends of the cold water pipes are provided with connecting flanges (11), and the cold water pipes are provided with water pumps (12).

4. The equipment for preheating boiler water according to claim 1, characterized in that: The bottom of the preheating tank (1) is connected to two symmetrically distributed boiler connecting pipes (13), and a stop valve (14) is provided on the boiler connecting pipes (13).

5. The equipment for preheating boiler water according to claim 1, characterized in that: The bottom of the preheating tank (1) is provided with a support base (15), the top of the support base (15) is provided with a fixing slot (16) adapted to the preheating tank (1), and the inner wall of the fixing slot (16) is provided with a heat-insulating felt (17).

6. The equipment for preheating boiler water according to claim 5, characterized in that: A heat-insulating bottom plate (18) is provided at the bottom of the support base (15), and a fixed bottom plate (19) is provided at the bottom of the heat-insulating bottom plate (18).

7. The equipment for preheating boiler water according to claim 6, characterized in that: Fixed screw grooves (20) are provided on both sides of the fixed base plate (19), and the fixed screw grooves (20) are connected and fixed to the fixed base plate (19) by fixing bolts (21) adapted thereto.