CN216115514U - Constant temperature hot air device - Google Patents

Abstract

The utility model belongs to the technical field of hot air, and particularly relates to a constant-temperature hot air device which comprises a heat exchange box, wherein an air inlet and an air outlet are respectively arranged on two sides of the heat exchange box, a water inlet pipe and a water outlet pipe are arranged on one side surface adjacent to the air inlet, the water inlet pipe is positioned above the water outlet pipe, a heat exchange pipe is arranged in the heat exchange box, two ends of the heat exchange pipe are respectively connected with the water outlet pipe and the water inlet pipe, an adjusting valve is arranged on the water outlet pipe, a temperature control probe is arranged on one side of the adjusting valve, and a blowing piece is arranged on the air inlet. According to the utility model, normal temperature air is heated to a constant temperature through high-temperature wastewater in the heat exchange pipe, and the flow of the wastewater is accurately controlled through the temperature control probe in cooperation with the regulating valve, so that the temperature of the heated air in the heat exchange box is always kept at a constant value.

Description

Constant temperature hot air device

Technical Field

The utility model belongs to the technical field of hot air devices, and particularly relates to a constant-temperature hot air device.

Background

A large amount of high temperature waste water can be produced after some existing processing equipment works, and the high temperature waste water can be discharged after being cooled, so that potential safety hazards are avoided, and a large amount of manpower and material resources are needed to be spent on cooling the high temperature waste water. The existing devices for utilizing secondary energy of high-temperature wastewater exist in the market, but the existing devices have the problem that the stirring of the outlet air temperature is large due to low control precision, and a constant-temperature hot air device with high precision is urgently needed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to providing a constant temperature hot air device capable of solving the above problems.

In order to achieve the above purpose, the constant-temperature hot air device provided by the embodiment of the utility model comprises a heat exchange box, wherein an air inlet and an air outlet are respectively arranged on two sides of the heat exchange box, a water inlet pipe and a water outlet pipe are arranged on one side surface adjacent to the air inlet, the water inlet pipe is positioned above the water outlet pipe, a heat exchange pipe is installed in the heat exchange box, two ends of the heat exchange pipe are respectively connected with the water outlet pipe and the water inlet pipe, an adjusting valve is arranged on the water outlet pipe, a temperature control probe is arranged on one side of the adjusting valve, and a blowing piece is installed on the air inlet.

Preferably, the regulating valve comprises a mounting sleeve, a valve water inlet pipe and a valve water outlet pipe are symmetrically arranged on the pipe wall of the mounting sleeve about the axis, and the valve water inlet pipe is in clearance connection with the water outlet pipe; the valve core sleeve is clamped in the mounting sleeve, the valve core matched with the mounting sleeve is arranged in the valve core sleeve, a cover plate is fixedly arranged at the upper end of the mounting sleeve, and a motor is arranged on the cover plate and is in transmission connection with the valve core.

Preferably, the cover plate is provided with a through hole matched with the valve core, the through hole is provided with a fan-shaped limiting opening, the valve core is provided with a limiting pin, and the limiting pin moves in the fan-shaped limiting opening.

Preferably, the valve inlet pipe is provided with a mounting port, and the temperature control probe is matched with the mounting port.

Preferably, the air outlet is higher than the air inlet.

Preferably, the air inlet and the air outlet are both provided with connecting flanges.

Preferably, the blowing member is a blower.

Compared with the prior art, the utility model has the beneficial effects that: high temperature waste water through in the heat transfer pipe heats to a constant temperature to normal atmospheric temperature air to carry out accurate control through the flow of control by temperature change probe cooperation governing valve to waste water, keep the constant value throughout with the temperature that keeps heat transfer incasement heated air.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the regulating valve.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Fig. 4 is a schematic structural view of the connection between the valve core and the cover plate.

Fig. 5 is a schematic view showing the connection of the blower, the heating pipe, the water inlet pipe and the water outlet pipe.

In the figure: the heat exchange device comprises a heat exchange box 1, an air inlet 11, an air outlet 12, a water inlet pipe 2, a water outlet pipe 3, a heat exchange pipe 4, a regulating valve 5, an installation sleeve 51, a valve water inlet pipe 511, a valve water outlet pipe 512, an installation port 513, a valve core sleeve 52, a valve core 53, a limiting pin 531, a cover plate 54, a through hole 541, a fan-shaped limiting port 542, a motor 55, a temperature control probe 6, a blowing piece 7 and a connecting flange 8.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that, if directional indications are provided in the embodiments of the present invention, such as directions of up, down, left, right, front, back, inner, outer, etc., the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise specifically stated or limited, terms such as "mounted," "connected," and "fixed" should be understood broadly, and may be, for example, fixedly connected, detachably connected, or integrated. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

As shown in fig. 1 to 5, an embodiment of the present invention provides a constant temperature hot air device, including a heat exchange box 1, two sides of the heat exchange box 1 are respectively provided with an air inlet 11 and an air outlet 12, one of the sides adjacent to the air inlet 11 is provided with a water inlet pipe 2 and a water outlet pipe 3, the water inlet pipe 2 is located above the water outlet pipe 3, a heat exchange pipe 4 is installed in the heat exchange box 1, the heat exchange pipe 4 is formed by connecting a plurality of U-shaped copper pipes, and the surface is covered with an aluminum foil, so as to have a high temperature resistant effect; the two ends of the heat exchange tube 4 are respectively connected with the water outlet tube 3 and the water inlet tube 2, and particularly, the heat exchange tube 4, the water outlet tube 3 and the water inlet tube 2 are welded together in a welding mode, so that the sealing property is improved; the water outlet pipe 3 is provided with an adjusting valve 5, one side of the adjusting valve 5 is provided with a temperature control probe 6, the air inlet 11 is provided with an air blowing part 7, namely high-temperature wastewater flows into the heat exchange pipe 4 from the water inlet pipe 2, further, the air blowing part 7 blows normal-temperature air into the heating box 1, the normal-temperature air is heated by heat energy generated by the high-temperature wastewater, and when the temperature of the heated air is constant at a certain fixed value, the heated air flows out from the air outlet 11; preferably, temperature probe 6 is used for measuring the temperature of heat transfer back high temperature waste water, when the temperature changes, governing valve 5 will be through the flow of control hot water, trades water to guarantee that the air-out temperature is invariable.

In this embodiment, in order to realize that the regulating valve 5 can accurately control the flow of water; the regulating valve 5 comprises a mounting sleeve 51, a valve water inlet pipe 511 and a valve water outlet pipe 512 are symmetrically arranged on the pipe wall of the mounting sleeve 51 about the axis, the valve water inlet pipe 511 is in clearance connection with the water outlet pipe 3, namely, the outer wall of the valve water inlet pipe 511 and the inner wall of the water outlet pipe 3 are both provided with thread layers, and the valve water outlet pipe 512 is used for connecting a water outlet pipe; a valve core sleeve 52 is clamped in the installation sleeve 51, a matched valve core 53 is arranged in the valve core sleeve 52, a cover plate 54 is fixedly arranged at the upper end of the installation sleeve 51, a motor 55 is arranged on the cover plate 54, and the motor 55 is in transmission connection with the valve core 53, namely the motor 55 is used for accurately controlling the rotation of the valve core 53, so that the purpose of accurately controlling water flow is achieved; exemplarily, the temperature detected by the temperature control probe is T and the preset temperature is TS, which are as follows:

(1) if T is less than TS, the motor 55 rotates clockwise to drive the valve core 53 to do synchronous action so as to increase the opening degree of the valve core 53, namely increase the flow and the flow velocity, thereby increasing the heat exchange efficiency and leading the actual detection temperature T to rise and approach to the preset temperature TS;

(2) if T is equal to TS, the motor 55 stops rotating, and the opening of the valve element 53 is kept unchanged;

(3) if T is greater than TS, the motor 55 rotates counterclockwise to drive the valve element 53 to perform a synchronous action, so as to reduce the opening of the valve element 53, i.e., reduce the flow rate and the flow velocity, thereby reducing the heat exchange efficiency and reducing the actual detection temperature T to approach the preset temperature TS.

In this embodiment, in order to enable the motor 55 to control the valve element 53 more accurately, the cover plate 54 is provided with a through hole 541 adapted to the valve element 53, wherein the through hole 541 is provided with a fan-shaped limiting opening 542, the valve element 53 is provided with a limiting pin 531, the limiting pin 531 is movable in the fan-shaped limiting opening 542, and specifically, when the limiting pin 531 is limited at two ends of the fan-shaped limiting opening 542, it represents that the valve water inlet pipe 511 is completely unfolded or completely closed.

In this embodiment, the valve inlet pipe 511 is provided with an installation port 513, and the temperature control probe 6 is adapted to the installation port 513, so as to monitor the temperature change of the wastewater in time.

In this embodiment, the air outlet 11 is higher than the air inlet 12, and the purpose of the design is to better store hot air.

In this embodiment, the air inlet 11 and the air outlet 12 are both provided with a connecting flange 8, the connecting flange 8 on the air inlet 11 is fixedly connected with the blowing piece 7, the connecting flange 8 on the air outlet 12 is connected with a heat dissipation pipe, and the purpose of using the connecting flange 8 is to improve the sealing performance of the connection part and the structural stability.

Preferably, the blowing part 7 is a fan.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. Constant temperature hot air device, including the heat transfer case, the both sides of heat transfer case are provided with air intake and air outlet respectively, wherein with be provided with inlet tube and outlet pipe on the adjacent side of air intake, the inlet tube is located the top of outlet pipe, its characterized in that, install the heat exchange tube in the heat transfer case, the both ends of heat exchange tube respectively with the outlet pipe with advance water piping connection, be equipped with the governing valve on the outlet pipe, one side of governing valve is equipped with the control by temperature change probe, install the piece of blowing on the air intake.

2. The constant-temperature hot air device according to claim 1, wherein the regulating valve comprises a mounting sleeve, a valve water inlet pipe and a valve water outlet pipe are symmetrically arranged on the pipe wall of the mounting sleeve about the axis, and the valve water inlet pipe is in clearance connection with the water outlet pipe; the valve core sleeve is clamped in the mounting sleeve, the valve core matched with the mounting sleeve is arranged in the valve core sleeve, a cover plate is fixedly arranged at the upper end of the mounting sleeve, and a motor is arranged on the cover plate and is in transmission connection with the valve core.

3. The constant-temperature hot air device according to claim 2, wherein the cover plate is provided with a through hole matched with the valve core, the through hole is provided with a fan-shaped limiting opening, the valve core is provided with a limiting pin, and the limiting pin is movably arranged in the fan-shaped limiting opening.

4. The constant-temperature hot air device according to claim 2, wherein the valve inlet pipe is provided with an installation opening, and the temperature control probe is adapted to the installation opening.

5. The constant temperature hot air device according to claim 1, wherein the air outlet is higher than the air inlet.

6. The constant-temperature hot air device according to claim 5, wherein the air inlet and the air outlet are both provided with connecting flanges.

7. The constant temperature hot air device according to claim 1, wherein the blowing member is a blower.

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