Fabric dyeing after-finishing wastewater waste heat recovery device

Abstract

The utility model provides a fabric dyeing after-finishing waste water waste heat recovery device which comprises a base, a filtering assembly is arranged on the left side of the top of the base, and a waste heat recovery assembly is arranged on the right side of the top of the base. The filtering assembly comprises a filtering box arranged on the left side of the top of the base, and a filtering frame is arranged on the inner side of the filtering box in a left-right sliding mode. According to the fabric dyeing after-finishing wastewater waste heat recovery device, hot air in the filter box is continuously pumped out through the fan and exhausted into purified water through the exhaust pipe, bubbles with heat can exchange heat with the purified water in the floating process, and through the arrangement of the cross-shaped supporting block and the rotating blades, the heat exchange efficiency is improved. Wastewater can be stirred to a certain degree in the heat exchange process, it is avoided that water flow in the center does not participate in heat exchange, the structure is simple and practical, and the heat utilization rate of the wastewater is greatly increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of dyeing wastewater treatment especially relates to a fabric dyeing finishing wastewater waste heat recovery device. BACKGROUND

[0002] Fabric dyeing is to give rich color, improve the aesthetic degree, meet different design and fashion demand, can also distinguish purpose through color, increase product diversity and market competitiveness, and some dyes can enhance the special performance of fabric such as light resistance, antibacterial property etc.

[0003] Dye liquor needs to be heated (such as reactive dye needs 40-90 DEG C) in the dyeing process, temperature influences dye molecule movement and combination with fiber, and different dyes, fiber materials need different temperature, and reasonable temperature control can improve dyeing fastness and uniformity. With the improvement of environmental awareness and the increase of energy cost, more and more enterprises begin to pay attention to how to improve energy utilization efficiency and reduce environmental pollution.

[0004] Under this condition, the application of textile printing and dyeing waste heat recovery device gradually becomes the first choice of enterprises, the waste heat recovery device is a kind of equipment that recycles and utilizes the waste heat generated by textile printing and dyeing setting machine in the production process through heat exchange. The waste heat recovery device can make full use of waste heat resources and reduce the consumption of fresh energy. Application No. CN202420047167.2 discloses a dyeing wastewater waste heat recovery device, which is provided with a waste heat recovery structure to prevent the influence of impurities in the wastewater on waste heat recovery and accelerate the efficiency of waste heat recovery. However, when the device is used, the wastewater exchanges heat with clean water in the pipeline, thereby gradually cooling down. However, before the wastewater enters the pipeline, some hot gas with high heat will evaporate from the surface, which will not enter the pipeline, causing waste of wastewater heat and reducing the waste heat recovery rate.

[0005] Therefore, it is necessary to provide a fabric dyeing finishing wastewater waste heat recovery device to solve the above technical problems. UTILITY MODEL CONTENT

[0006] The utility model provides a fabric dyeing finishing wastewater waste heat recovery device, solves in related technical field, the existing part fabric dyeing finishing wastewater waste heat recovery device when using, the hot gas generated by the wastewater is inconvenient to utilize, leads to the problem of low waste heat utilization rate.

[0007] In order to solve the above technical problems, the utility model provides a fabric dyeing finishing wastewater waste heat recovery device, which comprises: a base, a filter assembly is arranged on the left side of the top of the base, and a waste heat recovery assembly is arranged on the right side of the top of the base.

[0008] The filter assembly comprises a filter box arranged on the left side of the top of the base, a filter frame is slidably arranged on the inner side of the filter box, a filter screen is arranged on the inner side of the filter frame, a residue discharge port is arranged on the bottom of the filter box and on the left side of the filter frame, and a wastewater inlet is arranged on the top of the left side of the filter box;

[0009] The waste heat recovery assembly comprises an exchange box arranged on the right side of the top of the base, a heat exchange pipe is arranged on the inner side of the exchange box, a water suction pump is arranged on the top of the base and on the left side of the exchange box, a water inlet pipe on the left side of the water suction pump is communicated with the bottom of the right side of the filter box, and a water outlet pipe on the top of the water suction pump is communicated with the left end of the heat exchange pipe.

[0010] Preferably, the filter assembly further comprises a rotating lug rod arranged on the inner side of the filter box and longitudinally rotatable, a connecting block is rotatably arranged on the lateral side of the rotating lug rod, and the left side of the connecting block is rotatably connected with the right side of the filter frame.

[0011] Preferably, the front end of the rotating lug rod penetrates the inner wall of the filter box and extends to the front face thereof, and a rotating hand wheel is arranged on the front end of the rotating lug rod.

[0012] Preferably, two exhaust pipes are horizontally arranged on the bottom of the inner wall of the exchange box, exhaust heads are arranged on the top of the two exhaust pipes, a fan is arranged on the bottom of the base, heat preservation pipes are arranged on the left and right sides of the fan, the top end of the left heat preservation pipe is communicated with the top of the right side of the filter box, and the top end of the right heat preservation pipe is communicated with the bottom end of the two exhaust pipes.

[0013] Preferably, a cross support block is fixedly arranged on the inner side of the heat exchange pipe, and rotating vanes are rotatably arranged on the bottom of the cross support block.

[0014] Preferably, an exhaust port is arranged on the right side of the top of the exchange box, and a discharge port is arranged on the right side of the bottom of the exchange box.

[0015] Compared with the related art, the waste heat recovery device for fabric post-dyeing and finishing wastewater has the following beneficial effects:

[0016] The waste heat recovery device for fabric post-dyeing and finishing wastewater provided by the utility model continuously draws out the hot gas in the filter box by the fan and discharges the hot gas to the clean water through the exhaust pipe, the bubbles with heat exchange with the clean water in the process of floating, the cross support block and the rotating vanes are arranged to agitate the wastewater to a certain extent in the process of heat exchange, the center water flow is prevented from not participating in the heat exchange, the structure is simple and practical, and the heat utilization rate of the wastewater is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A preferred embodiment structure diagram of the fabric dyeing post-finishing wastewater waste heat recovery device is provided.

[0018] Figure 2 It is a structure diagram of the device front view section.

[0019] Figure 3 It is a structure diagram of the filter frame part top view.

[0020] Figure 4 It is a structure diagram of the heat exchange pipe part internal structure.

[0021] In the figure, the reference numerals are as follows: 1, base; 2, filter assembly; 21, filter box; 22, filter frame; 23, slag discharge port; 24, wastewater inlet; 25, rotating lug; 26, connecting block; 27, rotating hand wheel; 3, waste heat recovery assembly; 31, exchange box; 32, heat exchange pipe; 33, water pump; 34, exhaust pipe; 35, fan; 36, heat preservation pipe; 37, cross support block; 38, rotating blade; 39, discharge port. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings and embodiments.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , a kind of fabric dyeing post-finishing wastewater waste heat recovery device, comprising: base 1, the left side of the top of base 1 is provided with filter assembly 2, the right side of the top of base 1 is provided with waste heat recovery assembly 3;

[0024] Filter assembly 2 includes filter box 21 arranged on the top left side of base 1, filter frame 22 is slidably arranged on the inner side of filter box 21, filter screen is arranged on the inner side of filter frame 22, slag discharge port 23 is arranged on the bottom of filter box 21 and left side of filter frame 22, and wastewater inlet 24 is arranged on the top left side of filter box 21.

[0025] Through the setting of filter frame 22, the fabric impurities possibly remaining in wastewater can be filtered, to avoid subsequent influence on the heat exchange.

[0026] Waste heat recovery assembly 3 includes exchange box 31 arranged on the top right side of base 1, heat exchange pipe 32 is arranged on the inner side of exchange box 31, water pump 33 is arranged on the top of base 1 and left side of exchange box 31, the inlet pipe of water pump 33 left side is communicated with the bottom of right side of filter box 21, and the outlet pipe of water pump 33 top is communicated with the left end of heat exchange pipe 32.

[0027] The waste water is pumped into the heat exchange pipe 32 by the water pump 33, and the heat of the waste water is exchanged with the clean water in the heat exchange box 31, so that the temperature of the clean water is increased, and the waste heat is reduced.

[0028] The filter assembly 2 further comprises a rotating lug 25 longitudinally arranged inside the filter box 21, and the circumferential surface of the rotating lug 25 is rotatably provided with a connecting block 26, and the left side of the connecting block 26 is rotatably connected with the right side of the filter frame 22.

[0029] In order to avoid the textile thread and the like from blocking the filter frame 22, the rotating handle 27 is rotated outside to drive the rotating lug 25 to rotate, and then drive the connecting block 26 to periodically pull to the right side, so that the filter frame 22 moves left and right inside the filter box 21, and the impurities attached to the surface of the filter screen are shaken down, and finally can be discharged through the slag discharge port 23.

[0030] The front end of the rotating lug 25 penetrates through the inner wall of the filter box 21 and extends to the front surface thereof, and the front end of the rotating lug 25 is provided with the rotating handle 27.

[0031] The bottom of the inner wall of the heat exchange box 31 is transversely provided with two exhaust pipes 34, the top of each of the two exhaust pipes 34 is provided with an exhaust head, the bottom of the base 1 is provided with a fan 35, the left and right sides of the fan 35 are provided with heat preservation pipes 36, the top end of the left heat preservation pipe 36 is in communication with the top of the right side of the filter box 21, and the top end of the right heat preservation pipe 36 is in communication with the bottom end of the two exhaust pipes 34.

[0032] The fan 35 continuously draws the hot gas inside the filter box 21 out through the exhaust pipe 34 and into the clean water, and the gas bubbles with heat also exchange heat with the clean water during floating, so as to realize the utilization of the hot gas and improve the waste heat utilization rate of the waste water.

[0033] The inside of the heat exchange pipe 32 is fixedly provided with a cross-shaped supporting block 37, and the bottom of the cross-shaped supporting block 37 is rotatably provided with a rotating blade 38.

[0034] The cross-shaped supporting block 37 and the rotating blade 38 are provided with three groups, which are located at the part where the water flow falls, and under the action of the water pump 33, the water flow impacts the rotating blade 38 to drive it to rotate, thereby being able to stir the waste water, avoiding that the water in the center cannot exchange heat with the clean water.

[0035] The right side of the top of the heat exchange box 31 is provided with an exhaust port, and the right side of the bottom of the heat exchange box 31 is provided with a discharge port 39.

[0036] The exhaust port is small, which is used to realize the discharge of the excess gas inside the heat exchange box 31.

[0037] The working principle of the fabric dyeing post-finishing wastewater waste heat recovery device is as follows:

[0038] First step: in use, the wastewater is discharged from the right wastewater inlet 24, the fabric impurities possibly remaining in the wastewater can be filtered through the setting of the filter frame 22, the subsequent heat exchange is avoided, the wastewater is pumped to the inside of the heat exchange pipe 32 through the water pump 33, when the wastewater passes through the inside of the exchange box 31, the heat of the wastewater exchanges with the clean water in the inside of the exchange box 31, so that the temperature of the clean water is increased, the waste heat waste is reduced, under the action of the water pump 33, the water flow impacts the rotating blade 38 to drive it to rotate, so that the wastewater can be stirred, and the water in the center cannot exchange heat with the clean water;

[0039] Second step: the hot gas in the inside of the filter box 21 is continuously pumped out through the exhaust pipe 34 by the fan 35 and discharged into the clean water, the gas bubbles with heat also exchange heat with the clean water in the floating process, so that the hot gas is utilized, and the waste heat utilization rate of the wastewater is improved;

[0040] Third step: in order to avoid the textile thread and the like from blocking the filter frame 22, the outside rotating handle 27 is rotated, the rotating lug 25 is driven to rotate, the connecting block 26 is periodically pulled to the right side, so that the filter frame 22 moves left and right in the inside of the filter box 21, the impurities attached to the surface of the filter screen are shaken down, and finally can be discharged through the opening of the discharge port 23.

[0041] Compared with the related art, the fabric dyeing post-finishing wastewater waste heat recovery device has the following beneficial effects:

[0042] The hot gas in the inside of the filter box 21 is continuously pumped out through the exhaust pipe 34 by the fan 35 and discharged into the clean water, the gas bubbles with heat also exchange heat with the clean water in the floating process, through the setting of the cross support block 37 and the rotating blade 38, the wastewater can be stirred to a certain extent in the heat exchange process, the water flow at the center does not participate in the heat exchange, the structure is simple and practical, and the heat utilization rate of the wastewater is greatly improved.

[0043] Finally, it should be pointed out that the above embodiments are only relatively representative examples of the utility model. Apparently, the utility model is not limited to the above embodiments, and there can be many modifications. Any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiments should be considered as belonging to the protection scope of the utility model.

Claims

1. A waste heat recovery device for textile dyeing and finishing wastewater, characterized in that, include: A base (1) is provided with a filter assembly (2) on the left side of the top of the base (1) and a waste heat recovery assembly (3) on the right side of the top of the base (1). The filter assembly (2) includes a filter box (21) disposed on the top left side of the base (1), a filter frame (22) is disposed on the inner side of the filter box (21) and can slide left and right, a filter screen is disposed on the inner side of the filter frame (22), a slag discharge port (23) is disposed at the bottom of the filter box (21) and on the left side of the filter frame (22), and a wastewater inlet (24) is disposed at the top left side of the filter box (21). The waste heat recovery assembly (3) includes an exchange box (31) located on the top right side of the base (1). A heat exchange tube (32) is provided inside the exchange box (31). A water pump (33) is provided on the top of the base (1) and on the left side of the exchange box (31). The water inlet pipe on the left side of the water pump (33) is connected to the bottom of the right side of the filter box (21). The water outlet pipe on the top of the water pump (33) is connected to the left end of the heat exchange tube (32).

2. The waste heat recovery device for textile dyeing and finishing wastewater according to claim 1, characterized in that, The filter assembly (2) further includes a longitudinally rotatable rotating protrusion (25) disposed inside the filter box (21). A connecting block (26) is rotatably disposed on the peripheral side of the rotating protrusion (25). The left side of the connecting block (26) is rotatably connected to the right side of the filter frame (22).

3. The waste heat recovery device for textile dyeing and finishing wastewater according to claim 2, characterized in that, The front end of the rotating protrusion (25) penetrates the inner wall of the filter box (21) and extends to its front side. A rotating handwheel (27) is provided at the front end of the rotating protrusion (25).

4. The waste heat recovery device for textile dyeing and finishing wastewater according to claim 1, characterized in that, Two exhaust pipes (34) are horizontally arranged at the bottom of the inner wall of the exchange box (31). Each of the two exhaust pipes (34) has an exhaust head at the top. A fan (35) is arranged at the bottom of the base (1). Insulation pipes (36) are arranged on both the left and right sides of the fan (35). The top of the insulation pipe (36) on the left side is connected to the top of the right side of the filter box (21), and the top of the insulation pipe (36) on the right side is connected to the bottom of the two exhaust pipes (34).

5. The waste heat recovery device for textile dyeing and finishing wastewater according to claim 1, characterized in that, A cross support block (37) is fixedly provided on the inner side of the heat exchange tube (32), and a rotating blade (38) is rotatably provided on the bottom of the cross support block (37).

6. The waste heat recovery device for textile dyeing and finishing wastewater according to claim 1, characterized in that, An exhaust port is provided on the right side of the top of the exchange box (31), and an exhaust port (39) is provided on the right side of the bottom of the exchange box (31).

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