CN219244338U - Waste water waste heat evaporator - Google Patents

Abstract

The utility model relates to the field of evaporators, and discloses a waste water waste heat evaporator which comprises a heat exchange box, wherein a plurality of groups of heat exchange tubes are arranged in the heat exchange box, a first partition plate and a second partition plate are fixedly connected in the heat exchange box, the first partition plate and the second partition plate are arranged in a staggered mode, each group of heat exchange tubes are respectively arranged on the side edges of the first partition plate and the side edges of the second partition plate, the first partition plate and the second partition plate are fixedly connected with the inner wall of the heat exchange box, one side of the heat exchange box is provided with a filter box, one side of the filter box is connected with a first connecting tube, the other side of the filter box is communicated with the bottom of the heat exchange box through a second connecting tube, a drain pipe is connected to the end portion of the heat exchange box, and bases are arranged at the lower ends of the filter box and the heat exchange box. The device improves single heat exchange efficiency by reducing the flow velocity of high-temperature wastewater and prolonging the flow pipeline of the refrigerating fluid, and simultaneously the device can filter particles in the wastewater.

Description

Waste water waste heat evaporator

Technical Field

The utility model relates to the field of evaporators, in particular to a waste water waste heat evaporator.

Background

In industrial production, a large amount of waste water is often generated, and sometimes a large amount of heat is generated in the waste water, for example, waste water generated in blast furnace steelmaking, waste heat in high-temperature waste water needs to be recovered for increasing energy utilization efficiency, and an evaporator can be used for waste heat recovery.

The evaporator and the condenser are both heat exchange equipment, but the condenser is a heat release part, the evaporator is a heat absorption part, the evaporator and the heat absorption part are indispensible parts in refrigeration equipment, the shell side of the evaporator is water, the tube side of the evaporator is refrigerant, the refrigerant liquid in the evaporator is gasified and absorbed by the heat of a cooled medium at low temperature and low temperature to become refrigerant, dry saturated gas or superheated steam at low temperature and low temperature, so that cold energy is generated and output in the refrigeration system, the absorbed heat in waste water flows out along with the refrigerating liquid, and the waste heat in the waste water can be absorbed through repeated heat exchange. The existing evaporator has more defects, the shell side and tube side of the existing evaporator are short, the heat exchange time of the refrigerating fluid and the high-temperature wastewater is insufficient, the word heat exchange efficiency is not high enough, and the high-temperature wastewater often contains a large amount of particles, if the particles are not filtered, the internal pipeline of the evaporator is easy to be blocked and the water pump is easy to be damaged, therefore, the waste water residual heat evaporator is provided.

Disclosure of Invention

The utility model mainly aims to provide a waste water waste heat evaporator which can effectively solve the problems that the existing evaporator provided in the background art is low in heat exchange efficiency and cannot filter particulate matters.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a waste water waste heat evaporator, includes the heat exchange box, be provided with many groups heat exchange tube in the heat exchange box, first baffle of fixedly connected with and second baffle in the heat exchange box, first baffle and second baffle crisscross setting each other, every group the heat exchange tube sets up the side at first baffle and second baffle respectively, first baffle and second baffle all with the inner wall fixed connection of heat exchange box, one side of heat exchange box is provided with the rose box, one side of rose box is connected with first connecting pipe, the opposite side of rose box communicates each other through between the bottom of second connecting pipe and heat exchange box, be connected with the drain pipe on the tip of heat exchange box, the lower extreme of rose box and heat exchange box all is provided with the base.

Preferably, the second connecting pipe is connected with a water pump, and the connection part of the second connecting pipe and the heat exchange box is positioned at the position of the heat exchange box close to the bottom.

Preferably, the adjacent heat exchange pipes are connected through a third connecting pipe in sequence, the two groups of heat exchange pipes positioned on two sides of the heat exchange box are respectively connected with a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe penetrate out of the heat exchange box, and the heat exchange pipes are of a bent structure.

Preferably, the first partition plate is fixedly connected with the bottom surface of the heat exchange box, the second partition plate is fixedly connected with the top surface of the heat exchange box, a gap is formed between the first partition plate and the top of the heat exchange box, and a gap is formed between the second partition plate and the bottom of the heat exchange box.

Preferably, the filter box is internally provided with a first filter screen and a second filter screen, the first filter screen and the second filter screen are fixedly connected with a screen frame, the screen frames of the first filter screen and the second filter screen are in sliding connection with the filter box, the mesh aperture of the first filter screen is larger than that of the second filter screen, and the upper ends of the screen frames of the first filter screen and the second filter screen are fixedly connected with handles.

Preferably, the four corners of the lower end of the base are fixedly connected with supporting pipes, a hydraulic cylinder is fixedly installed in the supporting pipes, a piston rod of the hydraulic cylinder is connected with a mounting plate, and universal wheels are installed at the lower end of the mounting plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. the device improves the heat exchange efficiency between the refrigerating fluid and the high-temperature wastewater in two ways, wherein one of the heat exchange efficiency is provided with the first partition plate and the second partition plate which are staggered at intervals in the heat exchange box, so that the residence time of the high-temperature wastewater in the heat exchange box is effectively slowed down, and meanwhile, the flow pipelines of the refrigerating fluid in the heat exchange box are effectively prolonged through the heat exchange pipes with a plurality of groups of bending structures, so that the heat exchange efficiency of the refrigerating fluid and the high-temperature wastewater is effectively improved.

2. This device high temperature waste water passes through the rose box before entering into the heat transfer box, is provided with first filter screen and second filter screen in the rose box, and first filter screen and second filter screen can filter the particulate matter in the high temperature waste water in proper order, prevent to cause the damage to the inside pipeline jam of evaporimeter and water pump.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a side view of the present utility model.

Fig. 3 is a cross-sectional view of the heat exchange tank of the present utility model.

Fig. 4 is a cross-sectional view of a feed tube and a heat exchange tube according to the present utility model.

Fig. 5 is a cross-sectional view of a support tube in accordance with the present utility model.

In the figure: 1. a heat exchange box; 2. a heat exchange tube; 3. a first separator; 4. a second separator; 5. a filter box; 6. a first connection pipe; 7. a second connection pipe; 8. a first filter screen; 9. a second filter screen; 10. a handle; 11. a base; 12. a liquid inlet pipe; 13. a liquid outlet pipe; 14. a third connection pipe; 15. a drain pipe; 16. a water pump; 17. a support tube; 18. a hydraulic cylinder; 19. a mounting plate; 20. and a universal wheel.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-5, a waste water waste heat evaporator comprises a heat exchange box 1, wherein a plurality of groups of heat exchange tubes 2 are arranged in the heat exchange box 1, a first partition plate 3 and a second partition plate 4 are fixedly connected in the heat exchange box 1, the first partition plate 3 and the second partition plate 4 are arranged in a staggered manner, each group of heat exchange tubes 2 are respectively arranged on the side edges of the first partition plate 3 and the second partition plate 4, the first partition plate 3 and the second partition plate 4 are fixedly connected with the inner wall of the heat exchange box 1, a filter box 5 is arranged on one side of the heat exchange box 1, a first connecting pipe 6 is connected on one side of the filter box 5, a drain pipe 15 is connected on the other side of the filter box 5 through a second connecting pipe 7 and the bottom of the heat exchange box 1, and bases 11 are respectively arranged on the lower ends of the filter box 5 and the heat exchange box 1.

The second connecting pipe 7 is connected with a water pump 16, the joint of the second connecting pipe 7 and the heat exchange box 1 is positioned at the position, close to the bottom, of the heat exchange box 1, and the water pump 16 can pump high-temperature waste water in the filter box 5 into the heat exchange box 1.

The adjacent heat exchange tubes 2 are sequentially connected through a third connecting pipe 14, two groups of heat exchange tubes 2 positioned on two sides of the heat exchange box 1 are respectively connected with a liquid inlet tube 12 and a liquid outlet tube 13, the liquid inlet tube 12 and the liquid outlet tube 13 penetrate out of the heat exchange box 1, the heat exchange tubes 2 are of a bent structure, refrigerating fluid is added into the heat exchange tubes 2 through the liquid inlet tube 12, the refrigerating fluid is finally discharged through the liquid outlet tube 13 in the heat exchange box 1 through the internal circulation of the plurality of groups of heat exchange tubes 2, the stay time of the refrigerating fluid in the heat exchange box 1 can be greatly prolonged through the heat exchange tubes 2 of the bent structure, and the device is provided with the plurality of groups of heat exchange tubes 2, so that the heat exchange time of the refrigerating fluid in the heat exchange box 1 is further prolonged, and the heat exchange efficiency is improved.

The first baffle 3 is fixedly connected with the bottom surface of the heat exchange box 1, the second baffle 4 is fixedly connected with the top surface of the heat exchange box 1, a gap exists between the first baffle 3 and the top of the heat exchange box 1, a gap exists between the second baffle 4 and the bottom of the heat exchange box 1, high-temperature wastewater enters the heat exchange box 1 through the second connecting pipe 7 after passing through the filter box 5, the first baffle 3 and the second baffle 4 which are arranged at intervals are arranged in the heat exchange box 1 and are used for reducing the flow velocity of the high-temperature wastewater, the residence time of the high-temperature wastewater in the filter box 5 is prolonged, and the heat exchange efficiency between the heat exchange pipe 2 and the high-temperature wastewater is improved.

Be provided with first filter screen 8 and second filter screen 9 in the rose box 5, the equal fixedly connected with screen frame of first filter screen 8 and second filter screen 9, the screen frame of first filter screen 8 and second filter screen 9 all with rose box 5 sliding connection, the mesh aperture of first filter screen 8 is greater than the mesh aperture of second filter screen 9, the equal fixedly connected with handle 10 in the screen frame upper end of first filter screen 8 and second filter screen 9, high temperature waste water enters into rose box 5 through first connecting pipe 6 in proper order and filters through first filter screen 8 and second filter screen 9, particulate matter in the high temperature waste water can be effectively filtered to first filter screen 8 and second filter screen 9.

The four corners of the lower end of the base 11 are fixedly connected with supporting pipes 17, hydraulic cylinders 18 are fixedly installed in the supporting pipes 17, a piston rod of each hydraulic cylinder 18 is connected with a mounting plate 19, universal wheels 20 are installed at the lower ends of the mounting plates 19, the universal wheels 20 can extend out of the supporting pipes 17 through the hydraulic cylinders 18, and the device is convenient to move through the universal wheels 20.

The working principle of the utility model is as follows: when the device is used, high-temperature wastewater is added into the filter tank 5 through the first connecting pipe 6, the high-temperature wastewater in the filter tank 5 enters the heat exchange tank 1 through the second connecting pipe 7, the high-temperature wastewater slowly flows in the heat exchange tank 1 through the buffer action of the first partition plate 3 and the second partition plate 4 in the heat exchange tank 1, meanwhile, refrigerating fluid is added into the heat exchange pipes 2 in the heat exchange tank 1 through the liquid inlet pipe 12, the refrigerating fluid flows in the groups of heat exchange pipes 2 in the heat exchange tank 1, the refrigerating fluid exchanges heat with the high-temperature wastewater flowing in the heat exchange tank 1, then, the high-temperature wastewater is discharged through the drain pipe 15, and the heat-absorbing refrigerating fluid is discharged through the liquid outlet pipe 13.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a waste water waste heat evaporator, includes heat exchange box (1), its characterized in that: be provided with many groups heat exchange tube (2) in heat exchange box (1), first baffle (3) and second baffle (4) of fixedly connected with in heat exchange box (1), first baffle (3) and second baffle (4) are crisscross each other to be set up, every group heat exchange tube (2) set up the side at first baffle (3) and second baffle (4) respectively, first baffle (3) all with the inner wall fixed connection of second baffle (4) with heat exchange box (1), one side of heat exchange box (1) is provided with rose box (5), one side of rose box (5) is connected with first connecting pipe (6), the opposite side of rose box (5) is through between the bottom of second connecting pipe (7) and heat exchange box (1) each other, be connected with drain pipe (15) on the tip of heat exchange box (1), the lower extreme of rose box (5) and heat exchange box (1) all is provided with base (11).

2. A waste water heat evaporator as set forth in claim 1 wherein: the second connecting pipe (7) is connected with a water pump (16), and the joint of the second connecting pipe (7) and the heat exchange box (1) is positioned at the position of the heat exchange box (1) close to the bottom.

3. A waste water heat evaporator as set forth in claim 1 wherein: adjacent heat exchange tubes (2) are connected through a third connecting tube (14) in sequence, two groups of heat exchange tubes (2) positioned on two sides of the heat exchange box (1) are respectively connected with a liquid inlet tube (12) and a liquid outlet tube (13), the liquid inlet tube (12) and the liquid outlet tube (13) penetrate out of the heat exchange box (1), and the heat exchange tubes (2) are of a bent structure.

4. A waste water heat evaporator as set forth in claim 1 wherein: the heat exchange device comprises a first partition plate (3) and a heat exchange box (1), wherein the first partition plate is fixedly connected with the bottom surface of the heat exchange box (1), a second partition plate (4) is fixedly connected with the top surface of the heat exchange box (1), a gap is reserved between the first partition plate (3) and the top of the heat exchange box (1), and a gap is reserved between the second partition plate (4) and the bottom of the heat exchange box (1).

5. A waste water heat evaporator as set forth in claim 1 wherein: be provided with first filter screen (8) and second filter screen (9) in rose box (5), the equal fixedly connected with frame of first filter screen (8) and second filter screen (9), the frame of first filter screen (8) and second filter screen (9) all with rose box (5) sliding connection, the mesh aperture of first filter screen (8) is greater than the mesh aperture of second filter screen (9), equal fixedly connected with handle (10) in the frame upper end of first filter screen (8) and second filter screen (9).

6. A waste water heat evaporator as set forth in claim 1 wherein: the hydraulic support is characterized in that support pipes (17) are fixedly connected to four corners of the lower end of the base (11), a hydraulic cylinder (18) is fixedly installed in the support pipes (17), a mounting plate (19) is connected to a piston rod of the hydraulic cylinder (18), and universal wheels (20) are installed at the lower end of the mounting plate (19).

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