Novel waste water preheater device
By using a new wastewater preheater device with spiral internal and external distilled water heat exchange coils and wastewater heat exchange pipes in the MVR vacuum distillation system, the problem of direct discharge of distilled water and oil after mixing is solved, and the efficient utilization of wastewater heat energy and the energy-saving and environmental protection effects of the equipment are achieved.
Patent Information
- Application Number
- CN202422876443.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-25
AI Technical Summary
When treating oily wastewater, the existing MVR vacuum distillation system mixes distilled water with oil and then directly discharges it, resulting in energy waste and reduced environmental performance.
A new type of wastewater preheater device was designed, which adopted a spiral structure of internal and external distilled water heat exchange coils and wastewater heat exchange pipes to achieve secondary heat exchange of wastewater and improve the thermal energy utilization efficiency.
The wastewater heat energy utilization efficiency is improved, and the energy-saving and environmental protection performance of the equipment are enhanced.
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Figure CN223445291U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wastewater treatment equipment technical field, concretely is novel wastewater preheater device. BACKGROUND
[0002] MVR vacuum distillation system, it is mainly used to handle oil-containing wastewater, simultaneously in prior art, most MVR vacuum distillation system usually sets up evaporative tank and other equipment, but evaporative tank produces distilled water in the use process, and simultaneously needs to discharge distilled water, and oil is contained in the distilled water of industrial oil-containing wastewater after evaporation, so oil and water mixing phenomenon appears, and the temperature of above-mentioned oil and water is higher;
[0003] But the existing equipment is directly discharged after separating oil and water, thereby causing a large amount of energy waste, and the environmental protection performance of the equipment is reduced, so it is needed to filter the discharged distilled water again, so a novel wastewater preheater device is urgently needed to solve the above problems. UTILITY MODEL CONTENT
[0004] The utility model discloses a novel wastewater preheater device to solve the problems in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: novel wastewater preheater device, including the support base for supporting, the fixed foot stand for limiting is set up in the lower end surface four corners of support base, and four groups of spacing limiting vertical plate are set up on the upper end surface of support base, the sealing base is fixedly arranged at the center of the upper end surface of support base,
[0006] Heat exchange tank, the heat exchange tank is fixedly arranged on the upper end surface of the sealing base, and the wastewater outlet for guiding is opened in the side end surface of the heat exchange tank near the bottom;
[0007] Liquid inlet pipe, the liquid inlet pipe is fixedly arranged on the side end surface of the heat exchange tank near the top;
[0008] Sealing device, the sealing device is fixedly arranged on the upper end surface of the heat exchange tank;
[0009] Heat exchange device, the heat exchange device is fixedly arranged in the heat exchange tank.
[0010] Preferably, the sealing device includes a sealing chuck, a fixed clasp is fixedly arranged at the center of the upper end surface of the sealing chuck, a protective sleeve is fixedly arranged at the center of the lower end surface of the sealing chuck, and an oil extraction port is opened in the upper end surface of the sealing chuck near the side.
[0011] Preferably, the heat exchange device comprises a distilled water inlet pipe, the lower end surface of the distilled water inlet pipe is integrally provided with an inner distilled water heat exchange coil for heat exchange, a distilled water butt joint pipe is arranged at the upper portion of the inner distilled water heat exchange coil, an outer distilled water heat exchange coil is fixedly arranged at the lower end surface of the distilled water butt joint pipe, a waste water heat exchange guide pipe is fixedly sleeved on the outer end surface of the outer distilled water heat exchange coil, a waste water butt joint pipe is arranged at one end of the waste water heat exchange guide pipe, and a waste water discharge pipe is arranged at the other end of the waste water heat exchange guide pipe.
[0012] Preferably, the outer distilled water heat exchange coil, the inner distilled water heat exchange coil and the waste water heat exchange guide pipe are arranged in a spiral shape, so that the contact area of the outer distilled water heat exchange coil and the inner distilled water heat exchange coil with waste water can be effectively increased, and the subsequent heat exchange efficiency is improved.
[0013] Preferably, the waste water butt joint pipe and the waste water discharge pipe are sealingly and fixedly connected with the outer end surface of the outer distilled water heat exchange coil, so that the stability of the subsequent waste water heat exchange guide pipe and the outer portion of the outer distilled water heat exchange coil in flow guiding and buffering can be effectively improved.
[0014] Preferably, the waste water discharge outlet is throughly connected with the waste water discharge pipe, so that the subsequent waste water discharge outlet can be conveniently guided into the waste water discharge pipe and the waste water heat exchange guide pipe for secondary heat exchange through the buffer tank installed outside after heat exchange.
[0015] Compared with the prior art, the heat exchange device has the following beneficial effects:
[0016] 1. The waste heat device can perform secondary heat exchange on the oil-containing waste water from the inside to the outside through the inner distilled water heat exchange coil and the outer distilled water heat exchange coil, so that the heat exchange efficiency of the device on the heat energy in the waste water is effectively improved, and the energy saving property and the environmental protection performance of the device are also improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a split view of the main body of the utility model;
[0018] Figure 2 is a structural schematic view of the main body of the utility model;
[0019] Figure 3 is a structural schematic view of the sealing device of the utility model;
[0020] Figure 4 is a split view of the heat exchange device of the utility model;
[0021] Figure 5 is a structural schematic view of the heat exchange device of the utility model.
[0022] In the figure: 1 - liquid inlet conduit, 2 - sealing device, 3 - heat exchange device, 4 - heat exchange tank, 5 - limiting vertical plate, 6 - supporting base, 7 - fixed foot stand, 8 - sealing base, 9 - waste water discharge outlet, 21 - sealing chuck, 22 - fixed clasp ring, 23 - oil extraction port, 24 - protective sleeve, 31 - outer distilled water heat exchange coil, 32 - inner distilled water heat exchange coil, 33 - distilled water inlet pipe, 34 - distilled water connecting pipe, 35 - waste water heat exchange conduit, 36 - waste water connecting pipe, 37 - waste water discharge pipe. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] Please refer to Figures 1-5 The present application provides an embodiment: a novel waste water preheater device, which comprises a supporting base 6 for supporting, four fixed foot stands 7 for limiting are arranged at the lower end surface of the supporting base 6, four groups of limiting vertical plates 5 are equidistantly arranged at the upper end surface of the supporting base 6, a sealing base 8 is fixedly arranged at the center of the upper end surface of the supporting base 6,
[0025] A heat exchange tank 4 is fixedly arranged at the upper end surface of the sealing base 8, and a waste water discharge outlet 9 for flow guiding is arranged at the side end surface of the heat exchange tank 4 close to the bottom;
[0026] A liquid inlet conduit 1 is fixedly arranged at the side end surface of the heat exchange tank 4 close to the top;
[0027] A sealing device 2 is fixedly arranged at the upper end surface of the heat exchange tank 4;
[0028] A heat exchange device 3 is fixedly arranged in the heat exchange tank 4.
[0029] The sealing device 2 comprises a sealing chuck 21, a fixed clasp ring 22 is fixedly arranged at the center of the upper end surface of the sealing chuck 21, a protective sleeve 24 is fixedly arranged at the center of the lower end surface of the sealing chuck 21, and an oil extraction port 23 is arranged at the upper end surface of the sealing chuck 21 close to the side.
[0030] The heat exchange device 3 comprises a distilled water inlet pipe 33, the lower end surface of the distilled water inlet pipe 33 is integrally provided with an inner distilled water heat exchange coil 32 for heat exchange, and the upper part of the inner distilled water heat exchange coil 32 is provided with a distilled water butt joint pipe 34, the lower end surface of the distilled water butt joint pipe 34 is fixedly provided with an outer distilled water heat exchange coil 31, the outer end surface of the outer distilled water heat exchange coil 31 is fixedly sleeved with a waste water heat exchange guide pipe 35, one end of the waste water heat exchange guide pipe 35 is provided with a waste water butt joint pipe 36, and the other end of the waste water heat exchange guide pipe 35 is provided with a waste water discharge pipe 37.
[0031] The outer distilled water heat exchange coil 31, the inner distilled water heat exchange coil 32 and the waste water heat exchange guide pipe 35 are all arranged in a spiral shape, which can effectively increase the contact area of the outer distilled water heat exchange coil 31 and the inner distilled water heat exchange coil 32 with waste water, thereby improving the subsequent heat exchange efficiency.
[0032] The waste water butt joint pipe 36 and the waste water discharge pipe 37 are both sealingly and fixedly connected with the outer end surface of the outer distilled water heat exchange coil 31, which can effectively improve the stability of the subsequent waste water heat exchange guide pipe 35 and the outer part of the outer distilled water heat exchange coil 31 for flow guiding and buffering.
[0033] The waste water discharge outlet 9 is connected with the waste water discharge pipe 37 in a through manner, which can conveniently enable the subsequent waste water discharge outlet 9 to guide the heat-exchanged waste water into the waste water discharge pipe 37 and the waste water heat exchange guide pipe 35 inside the buffer tank installed outside for secondary heat exchange.
[0034] Working principle: before use, the staff can butt joint the waste water discharge outlet 9 and the waste water discharge pipe 37 through the external buffer tank or guide pipe, which can conveniently enable the subsequent waste water to be subjected to secondary heat exchange, when the oil-containing waste water is subjected to heat exchange operation, the staff can guide the waste water into the heat exchange tank body 4 inside through the liquid inlet guide pipe 1, and guide the water to be heat-exchanged into the distilled water inlet pipe 33 inside through the fixed clasp ring 22, when the oil and water are separated, the oil and water enter the heat exchange tank body 4 inside through the liquid inlet guide pipe 1, the oil rises, and the waste water moves downward, finally the oil is guided out through the oil outlet 23, and since the waste water inside the heat exchange tank body 4 has high temperature, the inner distilled water heat exchange coil 32 in a spiral shape can preliminarily heat exchange the waste water inside the heat exchange tank body 4, then the heat-exchanged water is guided into the outer distilled water heat exchange coil 31 inside along the distilled water butt joint pipe 34, and the heat-exchanged waste water is guided into the waste water discharge pipe 37 inside through the external buffer tank, then the waste water discharge pipe 37 can guide the waste water into the waste water heat exchange guide pipe 35 inside, and the waste water can be subjected to secondary heat exchange on the outer distilled water heat exchange coil 31 inside the waste water heat exchange guide pipe 35, so that the water preliminarily heat-exchanged is subjected to secondary heat exchange, thereby absorbing more heat, and improving the heat exchange efficiency.
[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A novel wastewater preheater device, comprising a support base (6) for supporting, wherein fixed legs (7) for limiting are provided at the four corners of the lower end surface of the support base (6), and four groups of limiting vertical plates (5) are equidistantly provided at the upper end surface of the support base (6), and a sealing base (8) is fixedly provided at the center of the upper end surface of the support base (6), characterized in that: A heat exchange tank body (4), wherein the heat exchange tank body (4) is fixedly arranged on the upper end surface of the sealing base (8), and a wastewater outlet (9) for diversion is provided on the side end surface of the heat exchange tank body (4) near the bottom; A liquid inlet conduit (1), the liquid inlet conduit (1) being fixedly arranged on a side end surface of the heat exchange tank body (4) near the top; A sealing device (2), the sealing device (2) being fixedly arranged on the upper end surface of the heat exchange tank body (4); A heat exchange device (3) is fixedly arranged inside the heat exchange tank body (4).
2. The novel wastewater preheater device according to claim 1 is characterized in that: The sealing device (2) comprises a sealing chuck (21), a fixing ring (22) is fixedly provided at the center of the upper end surface of the sealing chuck (21), and a protective sleeve (24) is fixedly provided at the center of the lower end surface of the sealing chuck (21), and an oil extraction port (23) is provided near the side of the upper end surface of the sealing chuck (21).
3. The novel wastewater preheater device according to claim 2 is characterized in that: The heat exchange device (3) comprises a distilled water inlet pipe (33), the lower end surface of the distilled water inlet pipe (33) is integrally provided with an inner distilled water heat exchange coil (32) for heat exchange, and a distilled water docking pipe (34) is provided on the upper part of the inner distilled water heat exchange coil (32), an outer distilled water heat exchange coil (31) is fixedly provided on the lower end surface of the distilled water docking pipe (34), a wastewater heat exchange pipe (35) is fixedly provided on the outer end surface of the outer distilled water heat exchange coil (31), a wastewater docking pipe (36) is provided at one end of the wastewater heat exchange pipe (35), and a wastewater discharge pipe (37) is provided at the other end of the wastewater heat exchange pipe (35).
4. The novel wastewater preheater device according to claim 3 is characterized in that: The outer distilled water heat exchange coil (31), the inner distilled water heat exchange coil (32) and the wastewater heat exchange conduit (35) are all arranged in a spiral shape.
5. The novel wastewater preheater device according to claim 3 is characterized in that: The wastewater butt joint (36) and the wastewater discharge pipe (37) are both sealed and fixedly connected to the outer end surface of the external distilled water heat exchange coil (31).
6. The novel wastewater preheater device according to claim 3 is characterized in that: The wastewater outlet (9) is connected to the wastewater discharge pipe (37).