Waste heat recovery type heat exchanger

Abstract

The utility model discloses a waste heat recovery type heat exchanger which comprises a base, a heat exchange device is arranged at the top of the base, a sewage inlet pipe is arranged on the left side of the heat exchange device and used for injecting waste hot water, and a sewage outlet pipe is arranged on the right side of the heat exchange device and used for outputting waste water. A heating device is arranged in the heat exchange device, and a water bath device is arranged in the heat exchange device; according to the device, the sewage inlet pipe is connected with the wastewater outlet pipe, then the sewage outlet pipe is connected to the water outlet pipe, a water bath solution is injected into the water bath through the water bath inlet pipe, and then the heating water inlet pipe and the heating water outlet pipe are connected to the pipeline, so that after hot water is injected, wastewater firstly filters the input solution through the filter plate; and then the flow speed is increased through the water guide groove, so that hardened dirt on the outer surface of the water bath tank is reduced, and by utilizing the structure, the effect of preventing the heating pipe from scaling to influence heating is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, and more specifically, to a waste heat recovery type heat exchanger. Background Art

[0002] A heat exchanger is a heat exchange device used to transfer heat between two fluids. It is widely used in industry and daily life to improve energy efficiency and achieve heat exchange between fluids with different temperature requirements. The working principle of a heat exchanger is to allow two fluids to exchange heat without mixing through one or more heat exchange surfaces.

[0003] After searching, the existing patent (Announcement No.: CN215217278U) discloses a heat exchanger for industrial waste heat recovery, including a box body, a water inlet fixedly connected to the left end of the box body, a first pipe arranged in the water inlet, a heat exchange chamber arranged in the middle of the box body, a first heat insulation layer arranged at the upper end of the heat exchange chamber, a second heat insulation layer arranged inside the box body, an inlet fixedly connected to the left side of the top of the box body, a second pipe arranged inside the inlet, an outlet fixedly connected to the right side of the top of the box body, a fourth pipe arranged inside the outlet, the lower end of the second pipe is connected to one end of the third pipe, the other end of the third pipe is connected to the lower end of the fourth pipe, the right end of the box body is fixedly connected to a water outlet, and a fifth pipe is arranged inside the water outlet. In the utility model, the heat loss in the heat exchange process is reduced by the first heat insulation layer and the second heat insulation layer, and the multi-branched third pipe accelerates the efficiency of heat exchange, which is worthy of vigorous promotion.

[0004] During use of the device, since the water source fed in from the water inlet is generally industrial wastewater, which contains a large amount of impurities, it is easy for the impurities to adhere to the outer surface of the heating tube to form precipitation, thereby reducing the thermal conductivity. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a waste heat recovery heat exchanger to solve the problem that industrial wastewater contains a large amount of impurities, which makes it easy to adhere to the outer surface of the heating tube to form precipitation, thereby reducing the thermal conductivity.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a waste heat recovery heat exchanger, comprising a base, a heat exchange device is arranged on the top of the base, a sewage inlet pipe is arranged on the left side of the heat exchange device for injecting waste hot water, a sewage outlet pipe is arranged on the right side of the heat exchange device for outputting waste water, a heating device is arranged inside the heat exchange device, and a water bath device is arranged inside the heat exchange device.

[0007] Preferably, the heat exchange device comprises a heat exchange box, a filter plate, and a handle, wherein the heat exchange box is fixedly mounted on the top of the base, the filter plate is detachably mounted on one side of the heat exchange box, and the handle is fixedly mounted on one side of the filter plate.

[0008] Preferably, the heat exchange device further comprises a baffle and a water diversion groove, wherein the baffle is fixedly installed inside the heat exchange box, and the water diversion groove is provided on the baffle.

[0009] Preferably, the heating device includes a heating water inlet pipe, a heating pipe, and a heating water outlet pipe. The heating water inlet pipe is fixedly installed on the top of the heat exchange box, one end of the heating pipe is fixedly connected to the bottom end of the heating water inlet pipe, the heating water outlet pipe is fixedly installed on the top of the heat exchange box, and the bottom of the heating water outlet pipe is connected to the other end of the heating pipe.

[0010] Preferably, the water bath device includes a water bath, a water bath inlet pipe, and a water bath outlet pipe, the water bath is fixedly installed inside the heat exchange box, the heating pipe is arranged inside the water bath, the water bath inlet pipe is fixedly installed on the top of the heat exchange box, the bottom end of the water bath inlet pipe is connected to the top of the water bath, the water bath outlet pipe is fixedly installed on the top of the heat exchange box, and the bottom end of the water bath outlet pipe is connected to the top of the water bath.

[0011] Preferably, the interior of the water bath is filled with a solution for transferring heat to the heating tubes in the water bath.

[0012] Preferably, the water diversion trough is configured as an inclined trough, and six groups of the inclined troughs are provided, and two groups of the inclined troughs are symmetrically arranged on the baffle.

[0013] Preferably, a square groove is opened on one side of the outer surface of the heat exchange box, the filter plate is arranged inside the square groove, and a waterproof strip is fixedly installed on the square groove.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model connects a sewage inlet pipe with a sewage outlet pipe, then connects the sewage outlet pipe to the outlet pipe, then injects a water bath solution into a water bath tank through the water bath inlet pipe, then connects a heating inlet pipe and a heating outlet pipe to the pipeline. After the hot water is injected, the wastewater first filters the input solution through a filter plate, then increases the flow rate through a water diversion trough, thereby reducing the dirt caked on the outer surface of the water bath tank. The above structure can prevent the heating tube from scaling and affecting the heating. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2This is a schematic diagram of the structure of the heat exchange device of the utility model;

[0018] Figure 3 This is a schematic diagram of the heating device structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the water bath device of the utility model.

[0020] [reference numerals]

[0021] 1. Base; 2. Heat exchange device; 3. Sewage inlet pipe; 4. Sewage outlet pipe; 5. Heating device; 6. Water bath device; 201. Heat exchange box; 202. Filter plate; 203. Handle; 204. Baffle; 205. Water trough; 501. Heating inlet pipe; 502. Heating pipe; 503. Heating outlet pipe; 601. Water bath; 602. Water bath inlet pipe; 603. Water bath outlet pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] The preferred embodiment of the waste heat recovery heat exchanger provided by the utility model is as follows Figures 1 to 4 As shown: it includes a base 1, a heat exchange device 2 is arranged on the top of the base 1, a sewage inlet pipe 3 is arranged on the left side of the heat exchange device 2 for injecting waste hot water, a sewage outlet pipe 4 is arranged on the right side of the heat exchange device 2 for outputting waste water, a heating device 5 is arranged inside the heat exchange device 2, and a water bath device 6 is arranged inside the heat exchange device 2.

[0025] In this embodiment, the heat exchange device 2 includes a heat exchange box 201, a filter plate 202, and a handle 203. The heat exchange box 201 is fixedly installed on the top of the base 1, the filter plate 202 is detachably installed on one side of the heat exchange box 201, and the handle 203 is fixedly installed on one side of the filter plate 202.

[0026] In this embodiment, the heat exchange device 2 further includes a baffle 204 and a water diversion groove 205 . The baffle 204 is fixedly installed inside the heat exchange box 201 , and the water diversion groove 205 is provided on the baffle 204 .

[0027] In this embodiment, the heating device 5 includes a heating water inlet pipe 501, a heating pipe 502, and a heating water outlet pipe 503. The heating water inlet pipe 501 is fixedly installed on the top of the heat exchange box 201, one end of the heating pipe 502 is fixedly connected to the bottom end of the heating water inlet pipe 501, the heating water outlet pipe 503 is fixedly installed on the top of the heat exchange box 201, and the bottom of the heating water outlet pipe 503 is connected to the other end of the heating pipe 502.

[0028] In this embodiment, the water bath device 6 includes a water bath tank 601, a water bath inlet pipe 602, and a water bath outlet pipe 603. The water bath tank 601 is fixedly installed inside the heat exchange box 201, the heating tube 502 is arranged inside the water bath tank 601, the water bath inlet pipe 602 is fixedly installed on the top of the heat exchange box 201, and the bottom end of the water bath inlet pipe 602 is connected to the top of the water bath tank 601. The water bath outlet pipe 603 is fixedly installed on the top of the heat exchange box 201, and the bottom end of the water bath outlet pipe 603 is connected to the top of the water bath tank 601.

[0029] In this embodiment, the interior of the water bath 601 is filled with a solution for transferring heat to the heating tube 502 in the water bath 601 .

[0030] In this embodiment, the water diversion groove 205 is configured as an inclined groove, and six groups of inclined grooves are provided, and two groups of inclined grooves are symmetrically arranged on the baffle 204.

[0031] In this embodiment, a square groove is opened on one side of the outer surface of the heat exchange box 201, the filter plate 202 is arranged inside the square groove, and a waterproof strip is fixedly installed on the square groove.

[0032] The working process of the utility model is as follows:

[0033] When in use, the staff first connects the sewage inlet pipe 3 with the wastewater outlet pipe, then connects the sewage outlet pipe 4 to the outlet pipe, and then injects the water bath solution into the water bath 601 through the water bath inlet pipe 602, and then connects the heating inlet pipe 501 and the heating outlet pipe 503 to the pipeline. After the hot water is injected, the wastewater will first filter the input solution through the filter plate 202, and then increase the flow rate through the water diversion trough 205, thereby reducing the dirt caked on the outer surface of the water bath 601.

[0034] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0035] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0036] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A waste heat recovery heat exchanger, comprising a base (1), characterized in that: A heat exchange device (2) is arranged on the top of the base (1); a sewage inlet pipe (3) is arranged on the left side of the heat exchange device (2) for injecting waste hot water; a sewage outlet pipe (4) is arranged on the right side of the heat exchange device (2) for outputting waste water; a heating device (5) is arranged inside the heat exchange device (2); and a water bath device (6) is arranged inside the heat exchange device (2); The heat exchange device (2) comprises a heat exchange box (201), a filter plate (202), a handle (203), a baffle (204), and a water diversion trough (205); the heat exchange box (201) is fixedly mounted on the top of the base (1); the filter plate (202) is detachably mounted on one side of the heat exchange box (201); the handle (203) is fixedly mounted on one side of the filter plate (202); the baffle (204) is fixedly mounted inside the heat exchange box (201); and the water diversion trough (205) is provided on the baffle (204).

2. The waste heat recovery heat exchanger according to claim 1, characterized in that: The heating device (5) comprises a heating water inlet pipe (501), a heating pipe (502), and a heating water outlet pipe (503); the heating water inlet pipe (501) is fixedly mounted on the top of the heat exchange box (201); one end of the heating pipe (502) is fixedly connected to the bottom end of the heating water inlet pipe (501); the heating water outlet pipe (503) is fixedly mounted on the top of the heat exchange box (201); and the bottom of the heating water outlet pipe (503) is connected to the other end of the heating pipe (502).

3. The waste heat recovery heat exchanger according to claim 2, characterized in that: The water bath device (6) comprises a water bath tank (601), a water bath inlet pipe (602), and a water bath outlet pipe (603); the water bath tank (601) is fixedly installed inside the heat exchange box (201); the heating pipe (502) is arranged inside the water bath tank (601); the water bath inlet pipe (602) is fixedly installed on the top of the heat exchange box (201); the bottom end of the water bath inlet pipe (602) is connected to the top of the water bath tank (601); the water bath outlet pipe (603) is fixedly installed on the top of the heat exchange box (201); the bottom end of the water bath outlet pipe (603) is connected to the top of the water bath tank (601).

4. The waste heat recovery heat exchanger according to claim 3, characterized in that: The interior of the water bath (601) is filled with a solution for transferring heat to the heating tube (502) in the water bath (601).

5. The waste heat recovery heat exchanger according to claim 4, characterized in that: The water diversion trough (205) is configured as an inclined trough, and six groups of the inclined troughs are configured, with two groups of the inclined troughs being symmetrically disposed on the baffle (204).

6. The waste heat recovery heat exchanger according to claim 5, characterized in that: A square groove is provided on one side of the outer surface of the heat exchange box (201), the filter plate (202) is arranged inside the square groove, and a waterproof strip is fixedly installed on the square groove.

Images