Waste water waste heat utilization device

Abstract

The utility model discloses a waste water waste heat utilization device, and relates to the technical field of printing and dyeing waste water waste heat recovery. Comprising a heat exchange module, supporting I-shaped steel is fixedly installed at the two ends of the bottom of the heat exchange module, aeration pipes are installed on the supporting I-shaped steel, temperature probes and conductivity probes are arranged at the inlet end and the outlet end of the heat exchange module, and a lifting frame is connected to the upper portion of the heat exchange module. According to the waste water waste heat utilization device, a large-resistance overflowing piece is composed of a thin-wall stainless steel pipe, low-temperature industrial water flows through the stainless steel thin pipe and then gathers to a water outlet pipe to flow out, a high-temperature printing and dyeing waste water heat exchange side which is prone to being polluted and blocked is an exposed open space, and an aeration pipe is arranged at the bottom of a module. The water flow in a heat exchange module area is stirred, sewage blockage is reduced, heat transfer is accelerated, the whole device is arranged in the wastewater adjusting tank, multiple groups of devices can be connected in parallel or in series according to the tank shape, use is flexible, and the space utilization rate is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing and dyeing wastewater waste heat recovery technical field, concretely is a wastewater waste heat utilization device. BACKGROUND

[0002] Printing and dyeing industry is a big water user and a big sewage discharger, at present, printing and dyeing enterprise water, drainage treatment and other environmental problems increasingly highlight, and the environmental capacity of many printing and dyeing industry developed areas in our country is very limited, but printing and dyeing enterprises in the bleaching and dyeing washing process, the yarn boiling, yarn bleaching and high-temperature washing process will produce high-temperature wastewater with temperature up to 80 DEG C above, but the water body and the heat energy contained in printing and dyeing wastewater can be reused, if directly discharged into the wastewater conditioning tank, the wastewater temperature in the treatment system can be up to 46 DEG C above, which reduces the biochemical treatment efficiency and causes energy waste, therefore, we use waste heat recovery system to recycle the heat in wastewater.

[0003] The existing printing and dyeing wastewater waste heat technology mainly utilizes heat exchanger to exchange heat energy between high-temperature wastewater and normal temperature water, reduces the temperature of wastewater, improves the temperature of clean water, then transports and uses the clean water, among the various heat exchangers used at present, the effect of plate heat exchanger is the best, and the heat recovery efficiency is the highest, through a series of parallel arranged metal sheets, hot fluid and cold fluid are separated, so that they flow between adjacent sheets and exchange heat, heat is transferred from hot fluid to cold fluid through the metal wall of sheet, and heat energy utilization and transfer are realized, but printing and dyeing wastewater contains a large amount of suspended solids, organic matter, acid, alkali and other corrosive substances, which can easily affect the service life of plate heat exchanger and reduce heat exchange efficiency. UTILIZABLE CONTENT

[0004] The utility model provides a wastewater waste heat utilization device to solve the problem in the prior art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a wastewater waste heat utilization device, including heat exchange module, the bottom two ends of heat exchange module are fixedly installed with support I-shaped steel, the support I-shaped steel is installed with aeration pipe, and the import and export ends of heat exchange module are provided with temperature probe and electric conductivity probe, and the upper portion of heat exchange module is connected with lifting frame.

[0006] Further, the upper portion of the water inlet pipe and the water outlet pipe is provided with a cushion block, and the lifting frame is fixed on the cushion block.

[0007] Further, the upper part of the water inlet pipe and the water outlet pipe is provided with a pipe joint, and the temperature probe and the conductivity probe are fixed in the pipe joint respectively.

[0008] Further, one end of the water inlet pipe is provided with a water inlet flange, and one end of the water outlet pipe is provided with a water outlet flange.

[0009] Further, the support I-beam is provided with an assembly hole, and the aeration pipe is inserted into the assembly hole.

[0010] Further, the aeration pipe is arranged at the bottom of the heat exchange module, and one end of the aeration pipe is provided with a gas source flange.

[0011] Compared with the prior art, the wastewater waste heat utilization device has the advantages that

[0012] Beneficial effects:

[0013] 1. The wastewater waste heat utilization device is composed of a large-resistance flow passage formed by a thin-wall stainless steel pipe, low-temperature industrial water flows through the stainless steel pipe and is collected to the water outlet pipe, the heat exchange side of the high-temperature printing and dyeing wastewater which is easy to be blocked is an open space, the aeration pipe is arranged at the bottom of the module, the strong turbulent bubbles formed by the perforated aeration are used to stir the water flow in the heat exchange module area, the heat transfer is accelerated while the blockage is reduced, the whole is built in the wastewater adjusting pool, and a plurality of groups can be connected in parallel or series according to the pool shape, so that the use is flexible, and the space utilization rate is high.

[0014] 2. The wastewater waste heat utilization device is provided with temperature probes and conductivity probes at the inlet and outlet ends of the heat exchange module, so as to monitor the heat exchange efficiency and monitor whether the module is damaged and leaked by using the great difference in conductivity between the printing and dyeing wastewater and the industrial water, the hoisting frame is arranged at the upper part of the module, so that the maintenance and repair are facilitated, the heat exchange function is realized, the problem that the conventional perforated aeration of the adjusting pool is difficult to maintain is solved, and the problem that the conventional cooling tower is easy to be blocked is solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of the utility model;

[0016] Fig. 2 It is a partial top view of the utility model;

[0017] Fig. 3 It is a heat exchange module structure view of the utility model.

[0018] In the figure: 1, heat exchange module; 11, water inlet distribution box; 12, thin-walled stainless steel pipe; 13, water outlet distribution box; 14, water inlet pipe; 15, water outlet pipe; 16, cushion block; 17, pipe joint; 18, water inlet butt flange; 19, water outlet butt flange; 2, supporting I-beam; 21, assembly hole; 3, aeration pipe; 31, gas source butt flange; 4, temperature probe; 5, conductivity probe; 6, lifting frame. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figs. 1-3 The utility model discloses a kind of wastewater waste heat utilization devices, including heat exchange module 1, the bottom of heat exchange module 1 both ends is fixedly installed with supporting I-beam 2, aeration pipe 3 is installed on supporting I-beam 2, it is made into big resistance overcurrent component by thin-walled stainless steel pipe 12, low-temperature industrial water is gathered to water outlet pipe 15 after flowing through stainless steel pipe and flows out, high-temperature printing and dyeing wastewater heat exchange side of easy pollution is bare open space, module bottom is provided with aeration pipe 3, utilize the strong turbulent bubble formed by perforating aeration, agitate the water flow in heat exchange module 1 area, reduce pollution while accelerating heat transfer, it is built-in in wastewater conditioning tank as a whole, can be combined in parallel or series according to pool shape, flexible in use, high space utilization, the import and export of heat exchange module 1 is provided with temperature probe 4 and conductivity probe 5, the upper portion of heat exchange module 1 is connected with lifting frame 6, the import and export of heat exchange module 1 is provided with temperature probe 4 and conductivity probe 5, for monitoring heat exchange efficiency, and using the huge difference of printing and dyeing wastewater and industrial water conductivity to monitor whether module has damage leakage, lifting frame 6 is set on the upper portion of module, facilitate maintenance, while realizing heat exchange function, solve the problem that conventional fixed perforating aeration in conditioning tank is difficult to overhaul and the problem that conventional cooling tower is easy to block up.

[0021] The heat exchange module 1 includes a water inlet distribution box 11, a thin-walled stainless steel pipe 12, a water outlet distribution box 13, a water inlet pipe 14 and a water outlet pipe 15. The two ends of the thin-walled stainless steel pipe 12 are respectively connected with the water inlet distribution box 11 and the water outlet distribution box 13, and the thin-walled stainless steel pipe 12 is uniformly distributed on the water inlet distribution box 11 and the water outlet distribution box 13. The water inlet pipe 14 is connected to the water inlet distribution box 11. The water outlet pipe 15 is connected to the water outlet distribution box 13.

[0022] Specifically, the upper part of the water inlet pipe 14 and the water outlet pipe 15 is provided with a pad 16, and the lifting frame 6 is fixed on the pad 16.

[0023] In this embodiment, the pad 16 is a supporting structure, mainly used for the installation and fixation of the lifting frame 6.

[0024] Specifically, the upper part of the water inlet pipe 14 and the water outlet pipe 15 is provided with a pipe joint 17, and the temperature probe 4 and the conductivity probe 5 are fixed in the pipe joint 17, respectively.

[0025] In this embodiment, the pipe joint 17 is an assembly structure, mainly used for the installation and fixation of the temperature probe 4 and the conductivity probe 5.

[0026] Specifically, one end of the water inlet pipe 14 is provided with a water inlet flange 18, and one end of the water outlet pipe 15 is provided with a water outlet flange 19.

[0027] In this embodiment, the water inlet flange 18 and the water outlet flange 19 are used to connect two pipes together. Flange connection is a quick connection method, which can quickly realize the butt joint of pipes and equipment, improve work efficiency, and has good sealing performance, which can effectively prevent leakage and ensure the safe operation of the system. The flange can adapt to various media, temperature and environmental conditions, and is widely used in different industrial fields.

[0028] Specifically, the supporting I-beam 2 is provided with an assembly hole 21, and the aeration pipe 3 is inserted into the assembly hole 21.

[0029] In this embodiment, the assembly hole 21 is a connecting structure, mainly used for the installation and fixation of the aeration pipe 3.

[0030] Specifically, the aeration pipe 3 is arranged at the bottom of the heat exchange module 1, and one end of the aeration pipe 3 is provided with a gas source flange 31.

[0031] In this embodiment, the aeration pipe 3 is connected to the gas source through the gas source flange 31, so as to deliver air into the aeration pipe 3 arranged at the bottom of the module, which is dispersed in the form of bubbles, forming strong turbulent bubbles to stir the water flow in the area of the heat exchange module 1.

[0032] In use, the clean low-temperature industrial water enters the heat exchange module 1 through the water inlet pipe 14, the heat exchange module 1 is composed of 80 DN15 thin-walled stainless steel pipes 12 to form a large resistance flow passage, the low-temperature industrial water flows through the stainless steel thin pipes and is collected to the water outlet pipe 15 to flow out, the high-temperature printing and dyeing wastewater which is easy to be blocked is on the exposed open space of the heat exchange side, the aeration pipe 3 is arranged at the bottom of the module, the strong turbulent bubbles formed by the perforated aeration are used to stir the water flow in the heat exchange module 1 area, the blockage is reduced and the heat transfer is accelerated, the whole is built-in in the wastewater adjusting tank, a plurality of groups can be combined in parallel or in series according to the pool shape, the use is flexible, the space utilization rate is high, the temperature probe 4 and the conductivity probe 5 are arranged at the inlet and outlet ends of the heat exchange module 1, which are used for monitoring the heat exchange efficiency and monitoring whether the module is damaged and leaked by using the great difference of the conductivity between the printing and dyeing wastewater and the industrial water, the lifting frame 6 is arranged at the upper part of the module, which is convenient for maintenance and repair, while realizing the heat exchange function, the problems that the conventional fixed perforated aeration in the adjusting tank is difficult to maintain and repair and the conventional cooling tower is easy to be blocked are solved.

[0033] In summary, the wastewater waste heat utilization device is composed of thin-walled stainless steel pipes 12 to form a large resistance flow passage, the low-temperature industrial water flows through the stainless steel thin pipes and is collected to the water outlet pipe 15 to flow out, the high-temperature printing and dyeing wastewater which is easy to be blocked is on the exposed open space of the heat exchange side, the aeration pipe 3 is arranged at the bottom of the module, the strong turbulent bubbles formed by the perforated aeration are used to stir the water flow in the heat exchange module 1 area, the blockage is reduced and the heat transfer is accelerated, the whole is built-in in the wastewater adjusting tank, a plurality of groups can be combined in parallel or in series according to the pool shape, the use is flexible, the space utilization rate is high; the temperature probe 4 and the conductivity probe 5 are arranged at the inlet and outlet ends of the heat exchange module 1, which are used for monitoring the heat exchange efficiency and monitoring whether the module is damaged and leaked by using the great difference of the conductivity between the printing and dyeing wastewater and the industrial water, the lifting frame 6 is arranged at the upper part of the module, which is convenient for maintenance and repair, while realizing the heat exchange function, the problems that the conventional fixed perforated aeration in the adjusting tank is difficult to maintain and repair and the conventional cooling tower is easy to be blocked are solved.

[0034] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A wastewater waste heat utilization device comprising a heat exchange module (1), characterized in that: The bottom of the heat exchange module (1) is fixedly provided with support I-beams (2), the support I-beams (2) are provided with aeration pipes (3), the inlet and outlet ends of the heat exchange module (1) are provided with temperature probes (4) and conductivity probes (5), and the upper portion of the heat exchange module (1) is connected with a lifting frame (6). The heat exchange module (1) comprises a water inlet distribution box (11), thin-wall stainless steel pipes (12), a water outlet distribution box (13), a water inlet pipe (14) and a water outlet pipe (15), the two ends of the thin-wall stainless steel pipes (12) are connected with the water inlet distribution box (11) and the water outlet distribution box (13) respectively, the thin-wall stainless steel pipes (12) are distributed on the water inlet distribution box (11) and the water outlet distribution box (13), the water inlet pipe (14) is connected with the water inlet distribution box (11), and the water outlet pipe (15) is connected with the water outlet distribution box (13).

2. The waste water heat utilization device according to claim 1, characterized in that: The upper portions of the water inlet pipe (14) and the water outlet pipe (15) are provided with pads (16), and the lifting frame (6) is fixed on the pads (16).

3. The waste water heat utilization device according to claim 1, characterized in that: The upper portions of the water inlet pipe (14) and the water outlet pipe (15) are provided with pipe interfaces (17), and the temperature probes (4) and the conductivity probes (5) are fixed in the pipe interfaces (17) respectively.

4. The waste water heat utilization device according to claim 1, characterized in that: One end of the water inlet pipe (14) is provided with a water inlet butt flange (18), and one end of the water outlet pipe (15) is provided with a water outlet butt flange (19).

5. The waste water heat utilization device according to claim 1, characterized in that: The support I-beams (2) are provided with assembly holes (21), and the aeration pipes (3) are inserted into the assembly holes (21).

6. The waste water heat utilization device according to claim 1, characterized in that: The aeration pipes (3) are arranged at the bottom of the heat exchange module (1), and one end of the aeration pipe (3) is provided with a gas source butt flange (31).

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