Cleaning wastewater and groundwater heat energy recovery device

Abstract

The utility model discloses a cleaning wastewater and underground water heat energy recovery device, and relates to the technical field of cleaning machine wastewater utilization. An inner cylinder is arranged in the center of the outer cylinder and divides the inner part of the outer cylinder into an inner cavity and an outer cavity, cleaning wastewater of the cleaning machine flows in the inner cavity, and underground water flows in the outer cavity; the spiral water pipe is used for supplying water to the cleaning machine and sequentially penetrates through the outer cavity and the inner cavity; the device can simultaneously utilize heat energy of cleaning waste water and underground water to heat a water supply source of the cleaning machine, improve water supply temperature, improve heat energy utilization and reduce heat energy consumption in the cleaning process, so that the purpose of saving cost is achieved, and the device has remarkable economic benefits.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning machine wastewater utilization, in particular to a cleaning wastewater and groundwater heat energy recovery device. Background Art

[0002] Disinfected tableware is widely used in catering, and needs to be cleaned, disinfected and packaged after each use. Using a cleaning machine to centrally clean tableware will produce a large amount of high-temperature wastewater. If the high-temperature wastewater is discharged directly, the heat of the high-temperature wastewater will be wasted. The utility model patent with publication number CN213758128U is a comprehensive utilization device for heat recovery of wastewater from a cleaning machine, which can utilize the heat energy of the cleaning machine cleaning wastewater, but does not have the function of utilizing groundwater heat energy, especially in winter when the water supply source temperature is low and the groundwater has a higher temperature. Utility Model Content

[0003] The purpose of the utility model is to provide a device for recovering heat from cleaning wastewater and groundwater in order to solve the above-mentioned problems in the prior art.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A cleaning wastewater and groundwater heat energy recovery device comprises an outer cylinder body with closed ends; an inner cylinder body is arranged at the center of the outer cylinder body, the inner cylinder body divides the inner part of the outer cylinder body into an inner cavity and an outer cavity, the inner cavity flows cleaning wastewater of a cleaning machine, and the outer cavity flows groundwater; and also comprises a spiral water pipe for supplying water to the cleaning machine, the spiral water pipe passes through the outer cavity and the inner cavity in sequence.

[0006] Furthermore, the spiral water pipe includes a water inlet section, a first spiral section, an intermediate connecting section, a second spiral section and a water outlet section which are connected in sequence; the first spiral section and the second spiral section are respectively located in the outer cavity and the inner cavity; the water inlet section passes through the side wall of the outer cylinder, the intermediate connecting section passes through the side wall of the inner cylinder, and the water outlet section passes through the end wall of the outer cylinder.

[0007] Furthermore, the two end walls of the outer cylinder are respectively connected with a cleaning wastewater inlet and a cleaning wastewater outlet of the corresponding inner cavity, and the cleaning wastewater inlet and the water outlet section of the spiral water pipe are located on the same end wall of the outer cylinder.

[0008] Furthermore, the side walls at both ends of the outer cylinder are respectively connected to a groundwater inlet and a groundwater outlet corresponding to the outer cavity, and the groundwater inlet is located at one end of the outer cylinder close to the water outlet section of the spiral water pipe.

[0009] Furthermore, it also includes a submersible pump, which is arranged in a groundwater pumping well and supplies groundwater to a groundwater inlet.

[0010] Furthermore, a support is provided on the lower side of the outer portion of the outer cylinder.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model can simultaneously utilize the thermal energy of cleaning wastewater and groundwater to heat the water source of the cleaning machine, increase the water supply temperature, improve the utilization of thermal energy, and reduce the thermal energy consumption during the cleaning process, thereby achieving the purpose of cost saving and having significant economic benefits;

[0013] The utility model utilizes the outer cavity through which groundwater flows to insulate the inner cavity through which high-temperature cleaning wastewater flows, thereby reducing the heat energy loss of the high-temperature cleaning wastewater;

[0014] The utility model adopts a spiral water pipe with a double spiral structure, which fully contacts and exchanges heat with groundwater and cleaning waste water, thereby achieving full utilization of thermal energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the first cross-sectional structure of the present utility model.

[0016] Figure 2 This is a schematic diagram of the spiral water pipe of the utility model from the first perspective.

[0017] Figure 3 This is a schematic diagram of the spiral water pipe of the utility model from a second viewing angle.

[0018] Figure 4 This is a second cross-sectional structural schematic diagram of the present utility model.

[0019] Figure 5 It is a connection diagram of the utility model.

[0020] Figure 6 It is a schematic diagram of the external structure of the utility model.

[0021] In the figure: 1. outer cylinder; 2. inner cylinder; 3. spiral water pipe; 4. cleaning wastewater inlet; 5. cleaning wastewater outlet; 6. groundwater inlet; 7. groundwater outlet; 8. submersible pump; 9. support; 10. cleaning machine; 11. groundwater pumping well; 12. groundwater return well;

[0022] 31. First spiral section; 32. Second spiral section; 33. Middle connecting section; 34. Water inlet section; 35. Water outlet section. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the utility model provided in the accompanying drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0025] It should be noted that relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" that may appear should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the term "provided with" that may appear should be understood in a broad sense. For example, the object "provided with" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or an inseparable connection. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] The present invention is further described in detail below in conjunction with the embodiments.

[0029] Specific embodiments of the cleaning wastewater and groundwater heat recovery device provided by the utility model:

[0030] See also Figure 1-6 , a device for recovering heat from cleaning wastewater and groundwater, comprises an outer cylinder 1 with closed ends; the outer cylinder 1 is placed horizontally, and supports 9 are provided at both ends and the lower side of the middle part. In some embodiments, the outer cylinder 1 is wrapped with an insulation sleeve, such as an insulation sleeve made of aluminum silicate fiber felt, to reduce the loss of internal heat energy.

[0031] An inner cylinder 2 is provided at the center of the outer cylinder 1. The two ends of the inner cylinder 2 are sealedly connected to the inner sides of the two ends of the outer cylinder 1. There is an evenly spaced annular gap between the inner cylinder 2 and the inner side of the outer cylinder 1 to form an outer cavity, and an inner cavity is formed inside the inner cylinder 2.

[0032] The two end walls of the outer cylinder 1 are respectively connected to the cleaning wastewater inlet 4 and the cleaning wastewater outlet 5 of the corresponding inner cavity. The cleaning wastewater inlet 4 and the cleaning wastewater outlet 5 are both provided with flanges for easy access to pipelines. The cleaning wastewater inlet 4 is connected to the high-temperature wastewater output end of the cleaning machine 10 through a pipeline, so that the high-temperature cleaning wastewater flows through the inner cavity.

[0033] The side walls at both ends of the outer cylinder 1 are respectively connected with a groundwater inlet 6 and a groundwater outlet 7 corresponding to the outer cavity, and both the groundwater inlet 6 and the groundwater outlet 7 are provided with flanges for easy access to pipelines. The groundwater inlet 6 is connected to a submersible pump 8 through a pipeline, and the submersible pump 8 is arranged in a groundwater pumping well 11 to supply groundwater to the groundwater inlet 6, so that groundwater with a certain temperature flows through the outer cavity.

[0034] The groundwater outlet 7 is connected to the groundwater return well 12 through a pipeline, so that the groundwater with a lowered temperature after releasing heat is discharged into the groundwater return well 12.

[0035] The water pipe for supplying water to the cleaning machine 10 adopts a spiral water pipe 3, which includes a water inlet section 34, a first spiral section 31, an intermediate connecting section 33, a second spiral section 32 and a water outlet section 35 connected in sequence; the first spiral section 31 and the second spiral section 32 are respectively located in the outer cavity and the inner cavity; the water inlet section 34 and the water outlet section 35 are both provided with flanges. The water inlet section 34 is connected to the municipal water supply pipeline and passes through the side wall of the outer cylinder 1, the intermediate connecting section 33 passes through the side wall of the inner cylinder 2, and the water outlet section 35 passes through the end wall of the outer cylinder 1 and is connected to the cleaning machine 10 at the end to supply water to the cleaning machine 10. In some other embodiments, a water storage container can be arranged between the water outlet section 35 and the cleaning machine 10, and a heat preservation cover is also arranged outside the water storage container. A water pump is installed at the outlet of the water storage container, and when the cleaning machine 10 needs water supply, water is supplied to the cleaning machine 10.

[0036] In this embodiment, the cleaning wastewater inlet 4 and the outlet section 35 of the spiral water pipe 3 are located on the same end wall of the outer cylinder 1, and the groundwater inlet 6 is located at one end of the outer cylinder 1 close to the outlet section 35 of the spiral water pipe 3, so that the temperature at the outlet section 35 of the inner cavity spiral water pipe 3 is higher. The inner and outer cavities of this device have a double-layer heat exchange structure, and the outer cavity has a heat preservation effect on the inner cavity.

[0037] The municipal low-temperature water passes through the spiral water pipe 3, exchanges heat with the groundwater in the outer cavity in the first spiral section 31 to increase the temperature, and further exchanges heat with the high-temperature cleaning wastewater in the inner cavity in the second spiral section 32 to increase the temperature, thereby increasing the water temperature in the spiral water pipe 3 and utilizing the thermal energy of the groundwater and the cleaning wastewater. The heated water then enters the cleaning machine 10, thereby reducing the energy consumption of the cleaning machine 10 for heating the water.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments without creative work, or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A device for recovering heat from cleaning wastewater and groundwater, comprising an outer cylinder (1) with both ends closed; characterized in that: An inner cylinder (2) is provided at the center of the outer cylinder (1), and the inner cylinder (2) divides the interior of the outer cylinder (1) into an inner cavity and an outer cavity, wherein the inner cavity flows with cleaning waste water of the cleaning machine (10), and the outer cavity flows with groundwater; and further comprising a spiral water pipe (3) for supplying water to the cleaning machine (10), wherein the spiral water pipe (3) passes through the outer cavity and the inner cavity in sequence.

2. The cleaning wastewater and groundwater heat recovery device according to claim 1, characterized in that: The spiral water pipe (3) comprises a water inlet section (34), a first spiral section (31), an intermediate connecting section (33), a second spiral section (32) and a water outlet section (35) which are connected in sequence; the first spiral section (31) and the second spiral section (32) are located in the outer cavity and the inner cavity respectively; the water inlet section (34) passes through the side wall of the outer cylinder (1), the intermediate connecting section (33) passes through the side wall of the inner cylinder (2), and the water outlet section (35) passes through the end wall of the outer cylinder (1).

3. The cleaning wastewater and groundwater heat recovery device according to claim 2 is characterized in that: The two end walls of the outer cylinder (1) are respectively connected to a cleaning wastewater inlet (4) and a cleaning wastewater outlet (5) of the corresponding inner cavity, and the cleaning wastewater inlet (4) and the water outlet section (35) of the spiral water pipe (3) are located on the same end wall of the outer cylinder (1).

4. The cleaning wastewater and groundwater heat recovery device according to claim 2 or 3, characterized in that: The side walls at both ends of the outer cylinder (1) are respectively connected to a groundwater inlet (6) and a groundwater outlet (7) corresponding to the outer cavity, and the groundwater inlet (6) is located at one end of the outer cylinder (1) close to the water outlet section (35) of the spiral water pipe (3).

5. The cleaning wastewater and groundwater heat recovery device according to claim 4, characterized in that: It also includes a submersible pump (8), which is arranged in a groundwater pumping well (11) and supplies groundwater to the groundwater inlet (6).

6. The cleaning wastewater and groundwater heat recovery device according to claim 1, characterized in that: A support (9) is provided on the lower outer side of the outer cylinder (1).

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