Waste heat recovery device for heating water tank

Abstract

The utility model discloses a waste heat recovery device for a heating water tank, which relates to the technical field of central heating and comprises a support leg, a heating unit is arranged on the top surface of the support leg, a waste heat recovery unit is arranged on one side of the heating unit, a water conveying unit is arranged on one side of the waste heat recovery unit, and a water outlet unit is arranged on the other side of the water conveying unit. A water flow control unit is arranged on the top face of the heating unit, the water conveying unit comprises a second water conveying pipe, the second water conveying pipe is arranged on one side of the water tank, a second pump is connected to the inner side of the second water conveying pipe in a sleeved mode, a heat preservation box is arranged on one side of the second pump, and a heating box is fixedly connected to the top face of the heat preservation box. And a heating wire sleeves the outer surface of the water conveying pipe in the heat preservation box. Through the arrangement of the second water conveying pipe, the second pump machine, the heat preservation box, the heating box and the heating wire, water consumed in the heating water tank is conveniently conveyed into the heating water tank after being heated, and the effect that the temperature difference of added water is small is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to in central heating technology field, concretely relates to a waste heat recovery device for heating water tank. BACKGROUND

[0002] The heating water tank is a simple heat exchange equipment, usually installs heating element (such as steam porous pipe, steam ejector, row pipe, coil pipe or infrared heating pipe etc.) in water tank to realize the heating of water. It can not only store hot water, but also provide hot water when needed, to meet various water demand.

[0003] Waste heat recovery technology refers to the heat and latent heat that is not reasonably utilized in the original design of the industrial energy consumption device that has been put into operation due to the limitations of history, technology, concept, etc. These waste heat resources include high-temperature waste gas waste heat, cooling medium waste heat, waste steam and waste water waste heat, high-temperature product and slag waste heat, chemical reaction waste heat, combustible waste gas, waste liquid and waste material waste heat, etc.

[0004] At present, the heat generated by the heating water tank cannot be properly recovered during use, and the water inside the water tank cannot be kept at a constant temperature during recovery. Therefore, a waste heat recovery device for heating water tank is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a waste heat recovery device for heating water tank to solve the problems in the background art.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A waste heat recovery device for heating water tank, comprising a support leg, a heating unit is arranged on the top surface of the support leg, a waste heat recovery unit is arranged on one side of the heating unit, a water delivery unit is arranged on one side of the waste heat recovery unit, and a water flow control unit is arranged on the top surface of the heating unit.

[0008] The water delivery unit comprises a water delivery pipe two, the water delivery pipe two is arranged on one side of the water tank, a pump two is sleeved on the inner side of the water delivery pipe two, a heat preservation box is arranged on one side of the pump two, a heating box is fixedly connected to the top surface of the heat preservation box, and heating wires are sleeved on the outer surface of the water delivery pipe in the heat preservation box.

[0009] Further improvement of the technical scheme of the utility model lies in that the heating unit comprises a heating water tank, the heating water tank is fixedly connected to the inner side of the top surface of the support leg, a temperature controller is arranged on one side of the heating water tank, and a water outlet valve is sleeved in the heating water tank.

[0010] The temperature inside the heating water tank can be controlled through the temperature controller.

[0011] The further improvement of the utility model technical scheme lies in that the heating water tank is sleeved with a heat delivery pipe on the top surface, the heating water tank is provided with a steam port on the top surface, and a water level gauge is arranged on the inner side of the heating water tank.

[0012] The steam heat generated by heating can be delivered through the heat delivery pipe.

[0013] The further improvement of the utility model technical scheme lies in that the waste heat recovery unit comprises a water tank, the water tank is sleeved on one end of the heat delivery pipe, a temperature indicator is arranged on one side of the water tank, and a water inlet pipe is sleeved on the top surface of the water tank.

[0014] The temperature inside the water tank can be observed through the temperature indicator.

[0015] The further improvement of the utility model technical scheme lies in that a plurality of exhaust holes are arranged in the water tank, a plurality of communication grooves are arranged in the water tank, a pump one is sleeved in the water tank, a water delivery pipe one is sleeved on the water outlet end of the pump one, and one end of the water delivery pipe one is sleeved in the top surface of the water tank.

[0016] The steam heat generated can be collected and utilized through the exhaust holes and the communication grooves, the heat is circulated, the condensate water generated by the steam can be collected and delivered to the water tank through the pump one and the water delivery pipe one, and the water source can be saved.

[0017] The further improvement of the utility model technical scheme lies in that the water flow control unit comprises a connecting pipe, the connecting pipe is sleeved on the inner side of the top surface of the steam port, a conical block is arranged in the connecting pipe, one end of the conical block is fixedly connected with a sliding rod, one side of the conical block is fixedly connected with a spring, and one end of the spring is fixedly connected to the inner top surface of the connecting pipe.

[0018] The water flow rate can be controlled through the connecting pipe, the conical block, the sliding rod and the spring.

[0019] The further improvement of the utility model technical scheme lies in that one end of the sliding rod is fixedly connected with a baffle, a sealing box is slidably arranged on one side of the baffle, and a water delivery pipe three is sleeved in the sealing box.

[0020] The added water flow can be blocked through the baffle and the sealing box.

[0021] Due to the adoption of the above technical scheme, the present application has the following technical progress compared with the prior art:

[0022] 1. The waste heat recovery device for heating water tank has the effects of heating and conveying the water consumed in the heating water tank, ensuring a small temperature difference of the added water, controlling the temperature in the heating water tank, and controlling the flow rate of the water flow.

[0023] 2. The waste heat recovery device for heating water tank has the effects of collecting and utilizing the generated steam heat, circulating the heat, collecting and conveying the condensed water generated by the steam to the water tank for utilization, and saving water source. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 Fig. 1 is a perspective view of the present application;

[0025] Figure 2 Fig. 2 is a structure diagram of the heating unit of the present application;

[0026] Figure 3 Fig. 3 is a sectional structure diagram of the waste heat recovery unit of the present application;

[0027] Figure 4 Fig. 4 is a sectional structure diagram of the water conveying unit of the present application;

[0028] Figure 5 Fig. 5 is a sectional structure diagram of the water flow control unit of the present application.

[0029] In the figure: 1, support leg; 2, heating unit; 21, heating water tank; 22, temperature controller; 23, water outlet valve; 24, hot delivery pipe; 25, steam port; 26, water level meter; 3, waste heat recovery unit; 31, water tank; 32, temperature indicator; 33, water inlet pipe; 34, exhaust hole; 35, communication groove; 36, pump one; 37, water conveying pipe one; 4, water conveying unit; 41, water conveying pipe two; 42, pump two; 43, heat preservation box; 44, heating box; 45, heating wire; 5, water flow control unit; 51, connecting pipe; 52, conical block; 53, sliding rod; 54, spring; 55, baffle; 56, sealing box; 57, water conveying pipe three. DETAILED DESCRIPTION

[0030] The utility model makes further detailed description below combining with the embodiment:

[0031] Embodiment 1

[0032] As Figures 1-5 Indicated, the utility model provides a kind of waste heat recovery device for heating water tank, including support leg 1, the top surface of support leg 1 is provided with heating unit 2, one side of heating unit 2 is provided with waste heat recovery unit 3, one side of waste heat recovery unit 3 is provided with water delivery unit 4, the top surface of heating unit 2 is provided with water flow control unit 5, water delivery unit 4 includes water delivery pipe two 41, water delivery pipe two 41 is arranged in one side of water tank 31, the inside of water delivery pipe two 41 is sleeved with pump machine two 42, one side of pump machine two 42 is provided with heat preservation box 43, the top surface of heat preservation box 43 is fixedly connected with heating box 44, heating wire 45 is located in the inside of heat preservation box 43 and is sleeved on the outer surface of water delivery pipe 41, control pump machine two 42 is pumped out by water delivery pipe two 41, with the water in the inside of water tank 31, heating box 44 is heated with heating wire 45 in succession, and the water in the inside of water delivery pipe two 41 is heated again, with the water in the inside of heating water tank 21 is sent to by water delivery pipe three 57 in succession, keep the water level in the inside of heating water tank 21, with its water in the inside of water delivery pipe two 41 is slowly flowed, further reduce the temperature difference of water after adding and the water in the inside of heating water tank 21.

[0033] Embodiment 2

[0034] As Figures 1-5As shown, on the basis of example 1, the utility model provides a technical scheme: preferably, heating unit 2 includes heating water tank 21, heating water tank 21 fixedly connected in the top surface inside of support leg 1, one side of heating water tank 21 is provided with temperature controller 22, heating water tank 21's inside is sleeved with outlet valve 23, the top surface of heating water tank 21 is sleeved with hot delivery pipe 24, the top surface of heating water tank 21 is opened with steam port 25, the inside of heating water tank 21 is provided with water level gauge 26, waste heat recovery unit 3 includes water tank 31, water tank 31 is sleeved in one end of hot delivery pipe 24, one side of water tank 31 is provided with temperature indicator 32, the top surface of water tank 31 is sleeved with water inlet pipe 33, a plurality of exhaust holes 34 are seted up in the inside of water tank 31, a plurality of communication grooves 35 are seted up in the inside of water tank 31, pump one 36 is sleeved in the inside of water tank 31, the water outlet end of pump one 36 is sleeved with water delivery pipe one 37, one end of water delivery pipe one 37 is sleeved in the inside of the top surface of water tank 31, the water in the inside of heating water tank 21 is heated by controlling temperature controller 22, the water vapor is generated along with the water after heating, and the water vapor flows to the inside of water tank 31 through hot delivery pipe 24, the heat generated along with the water vapor flows in the inside of water tank 31, and in the inside of communication groove 35, the heat generated along with the water vapor heats the inside of water tank 31, and the condensate water in the inside of water tank 31 is transported to the inside of water delivery pipe one 37 by pump one 36, and then is transported to the inside of water tank 31, and is utilized.

[0035] Example 3

[0036] As Figures 1-5 shown, on the basis of example 1, the utility model provides a technical scheme: preferably, water flow control unit 5 includes connecting pipe 51, connecting pipe 51 is sleeved in the inside of the top surface of steam port 25, the inside of connecting pipe 51 is provided with conical block 52, one end of conical block 52 is fixedly connected with slide bar 53, one side of conical block 52 is fixedly connected with spring 54, one end of spring 54 is fixedly connected in the inside top surface of connecting pipe 51, one end of slide bar 53 is fixedly connected with baffle 55, one side of baffle 55 is slidably provided with sealing box 56, sealing box 56 is sleeved with water delivery pipe three 57, and when the water vapor in the inside of heating water tank 21 evaporates, the generated thrust moves conical block 52 in the inside of connecting pipe 51, along with driving spring 54 to compress, along with driving slide bar 53 to push baffle 55 to move in the inside of sealing box 56.

[0037] The working principle of the waste heat recovery device for the heating water tank will be described below.

[0038] As Figures 1-5As shown, by controlling the temperature controller 22 to heat the water inside the heating water tank 21, the heated water generates water vapor, which flows to the inside of the water tank 31 through the hot delivery pipe 24, and the heat generated by the water vapor flows in the inside of the water tank 31 and the communication groove 35, thereby heating the inside of the water tank 31, and the condensed water generated by the water vapor in the inside of the water tank 31 is pumped into the water delivery pipe 1 37 by the pump 1 36, and then is pumped into the inside of the water tank 31 for use, and when the water vapor in the inside of the heating water tank 21 evaporates, the generated thrust pushes the conical block 52 to move in the connecting pipe 51, thereby compressing the spring 54 and pushing the sliding rod 53 to move the baffle 55 in the sealing box 56, thereby controlling the pump 2 42 to pump the water in the inside of the water tank 31 through the water delivery pipe 2 41, and then controlling the heating tank 44 to heat the heating wire 45 and reheat the water in the inside of the water delivery pipe 2 41, and then delivering the water to the inside of the heating water tank 21 through the water delivery pipe 3 57, thereby keeping the water level in the inside of the heating water tank 21 and slowly flowing the water in the inside of the water delivery pipe 2 41, further reducing the temperature difference between the added water and the water in the inside of the heating water tank 21.

[0039] The above has made a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A waste heat recovery device for a water heating tank comprising a support leg (1), characterized in that: The top surface of the support leg (1) is provided with a heating unit (2), one side of the heating unit (2) is provided with a waste heat recovery unit (3), one side of the waste heat recovery unit (3) is provided with a water conveying unit (4), the top surface of the heating unit (2) is provided with a water flow control unit (5); The water conveying unit (4) comprises a water conveying pipe two (41), the water conveying pipe two (41) is arranged on one side of the water tank (31), the inner side of the water conveying pipe two (41) is sleeved with a pump two (42), one side of the pump two (42) is provided with a heat preservation box (43), the top surface of the heat preservation box (43) is fixedly connected with a heating box (44), the inside of the heat preservation box (43) is sleeved with a heating wire (45) on the outer surface of the water conveying pipe (41).

2. The waste heat recovery device for a water heating tank according to claim 1, characterized by: The heating unit (2) comprises a heating water tank (21), the heating water tank (21) is fixedly connected to the inner side of the top surface of the support leg (1), one side of the heating water tank (21) is provided with a temperature controller (22), the inside of the heating water tank (21) is sleeved with a water outlet valve (23).

3. The waste heat recovery device for a water heating tank according to claim 2, characterized by: The top surface of the heating water tank (21) is sleeved with a hot delivery pipe (24), the top surface of the heating water tank (21) is provided with a steam port (25), the inner side of the heating water tank (21) is provided with a water level gauge (26).

4. The waste heat recovery device for a water heating tank according to claim 1, characterized by: The waste heat recovery unit (3) comprises a water tank (31), the water tank (31) is sleeved on one end of the hot delivery pipe (24), one side of the water tank (31) is provided with a temperature indicator (32), the top surface of the water tank (31) is sleeved with a water inlet pipe (33).

5. The waste heat recovery device for a water heating tank according to claim 4, characterized in that: The inside of the water tank (31) is provided with a plurality of exhaust holes (34), the inside of the water tank (31) is provided with a plurality of communication grooves (35), the inside of the water tank (31) is sleeved with a pump one (36), the water outlet end of the pump one (36) is sleeved with a water conveying pipe one (37), one end of the water conveying pipe one (37) is sleeved in the inside of the top surface of the water tank (31).

6. The waste heat recovery device for a water heating tank according to claim 1, characterized by: The water flow control unit (5) comprises a connecting pipe (51), the connecting pipe (51) is sleeved on the inner side of the top surface of the steam port (25), the inside of the connecting pipe (51) is provided with a conical block (52), one end of the conical block (52) is fixedly connected with a sliding rod (53), one side of the conical block (52) is fixedly connected with a spring (54), one end of the spring (54) is fixedly connected to the inner top surface of the connecting pipe (51).

7. The waste heat recovery device for a water heating tank according to claim 6, characterized by: One end of the sliding rod (53) is fixedly connected with a baffle (55), one side of the baffle (55) is slidably provided with a sealing box (56), the inside of the sealing box (56) is sleeved with a water conveying pipe three (57).

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