A device for recovering heat energy from dyeing wastewater

Abstract

The utility model provides a device for recovering heat energy from dyeing wastewater, which relates to the technical field of heat energy recovery, and comprises a dyeing box, wherein a filter tank, an exchange box, a circulation pipe and a fixing assembly are arranged inside the dyeing box, wherein the exchange box can be fixed inside the dyeing box through the fixing assembly, and the circulation pipe is arranged inside the exchange box; the dyeing box comprises a dyeing chamber, a filter chamber, a heat exchange chamber and a transmission chamber opened inside, and the filter tank is arranged inside the filter chamber. The device for recovering heat energy from dyeing wastewater can reduce dependence on external energy, reduce energy consumption and reduce emissions of greenhouse gases such as carbon dioxide by recovering heat from wastewater and reusing energy, which is beneficial to energy conservation and emission reduction. At the same time, residual dyes in wastewater are recovered, which can reduce the pollution of wastewater to the environment, reduce the amount of chemical substances used in the wastewater treatment process, and reduce secondary pollution caused by wastewater treatment.

Description

Technical Field

[0001] The utility model relates to a recovery device, in particular to a device for recovering heat energy of dyeing wastewater, belonging to the technical field of heat energy recovery. Background Art

[0002] In the production process of skein yarn, it is necessary to dye the skein yarn. The traditional dyeing process adopts the method of temperature dyeing. Dye and clean water are added to the dyeing container according to the ratio, and the dyeing auxiliary is added therein, and the skein yarn is dyed by heating. After dyeing a batch of skein yarn, the dye needs to be re-proportioned and the original dye liquid is discharged. Direct discharge into the sewer will cause environmental pollution, and its temperature is high. Direct discharge will indirectly increase the cost. The heat recovery device is a device that recycles the heat energy of the discharged waste liquid.

[0003] The existing patent document with authorization announcement number CN201864945U discloses a hot water recovery device for a dyeing machine, which includes a box body, having a chamber for accommodating dyeing waste liquid, and a waste liquid inlet for waste liquid to flow in and a waste liquid outlet for waste liquid to flow out are respectively provided on both sides of the box body; a heat exchange component is arranged in the chamber of the box body and in contact with the waste liquid, and has a first chamber, a second chamber and a plurality of groups of pipes connected to the first chamber and the second chamber at both ends respectively, a clean water inlet for clean water to flow in is formed on the first chamber, and a clean water outlet for clean water to flow out is formed on the second chamber, and a gap is left between the adjacent pipes for waste liquid to pass through.

[0004] During specific use, the waste liquid in the box is passed into the containing chamber, the heat exchange component is arranged in the containing chamber, and the first chamber and the second chamber are respectively provided with a clean water inlet and a clean water outlet. By passing clean water therein, the clean water therein can be heated to a certain extent, and the heat energy can be recovered and utilized. However, during the heat exchange process, as the temperature of the high-temperature waste water decreases, a large amount of impurities will precipitate and adsorb on the heat exchanger, resulting in a large amount of impurities adhering to the inner wall of the heat exchanger and affecting the heat exchange efficiency. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The utility model provides a device for recovering heat energy of dyeing wastewater, so as to solve the problem in the prior art that impurities in the wastewater are adsorbed on a heat exchanger, thus affecting the heat exchange efficiency.

[0007] (II) Technical solution

[0008] The utility model is implemented through the following technical scheme: a device for recovering heat energy from dyeing wastewater, comprising a dyeing box, wherein a filter tank, an exchange box, a circulation pipe and a fixing component are arranged inside the dyeing box, the exchange box can be fixed inside the dyeing box through the fixing component, and the circulation pipe is arranged inside the exchange box;

[0009] The dyeing box includes a dyeing chamber, a filtering chamber, a heat exchange chamber and a transmission chamber opened inside, the filtering tank is arranged inside the filtering chamber, and the exchange box is arranged inside the heat exchange chamber;

[0010] A filter plate is embedded on the surface of the filter tank, a connecting pipe is fixed on the surface of the filter chamber and the heat exchange chamber, and a solenoid valve is arranged on the surface of the connecting pipe;

[0011] The fixing assembly comprises a rotating shaft and a knob, a threaded tube and a pushing block arranged on the side of the rotating shaft. The fixing assembly also comprises a fixing block, and a limiting rod is arranged inside the fixing block.

[0012] Furthermore, a first slide groove is provided on the surface of the filter bin, and a first slider is fixed on the side of the filter bin. The first slider is slidably connected in the first slide groove. The filter bin can be movably connected in the filter bin through the first slider and the first slide groove. There are two first sliders and two first slide grooves, and they are symmetrically arranged on both sides of the filter bin.

[0013] Furthermore, a slide rail is provided on the surface of the exchange box, the fixed block can be clamped in the slide rail, the rotating shaft can be passed through the surface of the transmission bin through a bearing, the knob is fixed at one end of the rotating shaft, a thread is provided on the surface of the rotating shaft, the threaded tube can be movably connected to the rotating shaft through the thread, and the pushing block is fixed at one end of the threaded tube.

[0014] Furthermore, a telescopic groove is provided on the surface of the fixed block, the limit rod is inserted into the telescopic groove, a spring is sleeved on the surface of the limit rod, a limit groove is provided on the surface of the slide rail, one end of the limit rod can be clamped in the limit groove, and the limit rod and the pushing block are perpendicular to each other.

[0015] Furthermore, the side fixed tube of the threaded tube is provided with a second slider, and the surface of the transmission bin is provided with a second slide groove. The second slider can be slidably connected in the second slide groove, and the threaded tube can be movably connected in the transmission bin through the second slider and the second slide groove. There are two groups of the second slider and the second slide groove, and they are symmetrically arranged on both sides of the threaded tube.

[0016] Furthermore, an observation window is provided on the surface of the dyeing box, and the position of the observation window corresponds to the filter tank, and the filter tank can filter the residual dye in the wastewater.

[0017] Furthermore, a drain pipe is provided on the surface of the exchange box, and the exchange box can discharge waste water after heat exchange to an external purification facility through the drain pipe.

[0018] The utility model provides a device for recovering heat energy from dyeing wastewater, which has the following beneficial effects:

[0019] 1. The device for recovering heat from dyeing wastewater can reduce dependence on external energy, reduce energy consumption and reduce the emission of greenhouse gases such as carbon dioxide by recovering heat from the wastewater for energy reuse, which is beneficial to energy conservation and emission reduction. At the same time, the residual dyes in the wastewater can be recovered to reduce the pollution of the wastewater to the environment, reduce the amount of chemical substances used in the wastewater treatment process, and reduce the secondary pollution caused by the wastewater treatment.

[0020] 2. The device for recovering heat from dyeing wastewater can fix the exchange box inside the dyeing box through a fixing component, which can ensure that the exchange box is fixed and stable in the dyeing box and is not easy to move or shake during the heat exchange process, thereby ensuring the working effect and stability of the heat exchanger, thereby reducing the risk of accidents and improving work safety. At the same time, the fixing component can also facilitate the staff to install and disassemble the exchange box, and facilitate the staff to maintain and clean the exchange box, avoiding impurities in the wastewater from being adsorbed on the heat exchanger, thereby affecting the heat exchange efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0023] Figure 3 It is a side cross-sectional structural schematic diagram of the utility model;

[0024] Figure 4 For this utility model Figure 3 Schematic diagram of the structure enlarged at point A in the middle.

[0025] Description of Reference Numerals

[0026] 1. Dyeing box; 101. Dyeing chamber; 102. Filter chamber; 103. Heat exchange chamber; 104. Observation window; 106. First chute; 107. Transmission chamber;

[0027] 2. Filter tank; 201. First slider; 3. Exchange box; 301. Slide rail; 302. Card slot; 4. Circulation pipe;

[0028] 5. Fixed assembly; 501. Rotating shaft; 502. Knob; 503. Threaded tube; 504. Fixed block; 505. Telescopic slot; 506. Limit rod; 507. Spring; 508. Second slider; 509. Push block;

[0029] 6. Connecting pipe. DETAILED DESCRIPTION

[0030] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The embodiment of the utility model provides a device for recovering heat energy from dyeing wastewater, comprising a dyeing box 1, wherein a filter tank 2, an exchange box 3, a circulation pipe 4 and a fixing component 5 are arranged inside the dyeing box 1, the exchange box 3 can be fixed inside the dyeing box 1 by the fixing component 5, and the circulation pipe 4 is passed through the exchange box 3; the device for recovering heat energy from dyeing wastewater can reduce dependence on external energy, reduce energy consumption and reduce emissions of greenhouse gases such as carbon dioxide by recovering heat from the wastewater, which is beneficial to energy conservation and emission reduction, and at the same time, the residual dye in the wastewater can be recovered, which can reduce the pollution of the wastewater to the environment, reduce the amount of chemical substances used in the wastewater treatment process, and reduce the secondary pollution caused by the wastewater treatment.

[0031] Please refer to Figure 2 and Figure 3 The dyeing box 1 includes a dyeing chamber 101, a filter chamber 102, a heat exchange chamber 103 and a transmission chamber 107 opened inside. The filter tank 2 is arranged inside the filter chamber 102, and the exchange box 3 is arranged inside the heat exchange chamber 103; a filter plate is embedded in the surface of the filter tank 2, and a connecting pipe 6 is fixed on the surface of the filter chamber 102 and the heat exchange chamber 103, and a solenoid valve is arranged on the surface of the connecting pipe 6; a first slide groove 106 is opened on the surface of the filter chamber 102, and a first slider 201 is fixed on the side of the filter tank 2, and the first slider 201 is slidably connected in the first slide groove 106. The filter tank 2 can be movably connected in the filter chamber 102 through the first slider 201 and the first slide groove 106. There are two first sliders 201 and two first slide grooves 106, and they are symmetrically arranged on both sides of the filter tank 2.

[0032] Please refer to Figure 3 and Figure 4The fixing assembly 5 includes a rotating shaft 501 and a knob 502, a threaded tube 503 and a pushing block 509 arranged on the side of the rotating shaft 501. The fixing assembly 5 also includes a fixing block 504, and a limiting rod 506 is arranged inside the fixing block 504; a slide rail 301 is provided on the surface of the exchange box 3, and the fixing block 504 can be clamped in the slide rail 301. The rotating shaft 501 can be penetrated on the surface of the transmission warehouse 107 through a bearing. The knob 502 is fixed to one end of the rotating shaft 501, and a thread is provided on the surface of the rotating shaft 501. The threaded tube 503 can be movably connected with the rotating shaft 501 through the thread, and the pushing block 509 is fixed to one end of the threaded tube 503; a telescopic groove 505 is provided on the surface of the fixing block 504, and the limiting rod 506 is penetrated in the telescopic groove 505. A spring 507 is sleeved on the surface of the limit rod 506, and a limit groove is provided on the surface of the slide rail 301. One end of the limit rod 506 can be clamped in the limit groove, and the limit rod 506 and the push block 509 are perpendicular to each other; the device for recovering heat energy from dyeing wastewater can fix the exchange box 3 inside the dyeing box 1 through the fixing component 5, so as to ensure that the position of the exchange box 3 in the dyeing box 1 is fixed and stable, and it is not easy to move or shake during the heat exchange process, thereby ensuring the working effect and stability of the heat exchanger, thereby reducing the risk of accidents and improving work safety. At the same time, the fixing component 5 can also facilitate the staff to install and disassemble the exchange box 3, and facilitate the staff to maintain and clean the exchange box 3, thereby avoiding impurities in the wastewater from being adsorbed on the heat exchanger, thereby affecting the heat exchange efficiency.

[0033] Please refer to Figure 4 A second slider 508 is fixed on the side of the threaded tube 503, and a second slide groove is opened on the surface of the transmission warehouse 107. The second slider 508 can be slidably connected in the second slide groove. The threaded tube 503 can be movably connected in the transmission warehouse 107 through the second slider 508 and the second slide groove. There are two groups of second sliders 508 and second slide grooves, and they are symmetrically arranged on both sides of the threaded tube 503.

[0034] Please refer to Figure 1 An observation window 104 is provided on the surface of the dyeing box 1. The position of the observation window 104 corresponds to the filter tank 102. The filter tank 2 can filter the residual dye in the wastewater.

[0035] Please refer to Figure 3 A drain pipe is provided on the surface of the exchange box 3, and the exchange box 3 can discharge the waste water after heat exchange to an external purification facility through the drain pipe.

[0036] When the utility model is in use: first, the device is placed in a suitable position, and then the staff installs the filter tank 2 and the exchange box 3 in the designated positions, and then the staff controls the filter bin 102 surface to be set on the connecting pipe 6, and discharges the wastewater in the dyeing bin 101 into the filter bin 102, and the residual dye in the wastewater can be filtered and recovered through the filter plate embedded on the surface of the filter bin 102, and then the filtered wastewater is discharged to the exchange bin again through the connecting pipe 6, and then the staff injects the clean water to be heated into the circulation pipe 4, so that the clean water in the circulation pipe 4 is heat exchanged with the wastewater in the exchange bin, and after the heat exchange is completed, the wastewater is injected into the external purification equipment through the drain pipe to further purify the wastewater.

[0037] When the exchange box 3 needs to be cleaned, the staff only needs to turn the knob 502 to drive the rotating shaft 501 to rotate, the rotating shaft 501 drives the threaded tube 503 to move, and the threaded tube 503 drives the pushing block 509 to move synchronously. When the pushing block 509 retracts into the transmission compartment 107, the limiting rod 506 is disengaged from the slot 302 under the action of the rebound force of the spring 507. Then the staff pulls the exchange box 3, and the fixed block 504 moves in the slide rail 301 to provide support and guidance for the exchange box 3.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A device for recovering heat energy from dyeing wastewater, comprising a dyeing box (1), characterized in that: The dyeing box (1) is provided with a filter tank (2), an exchange box (3), a circulation pipe (4) and a fixing component (5); the exchange box (3) can be fixed inside the dyeing box (1) by means of the fixing component (5); and the circulation pipe (4) is passed through the exchange box (3); The dyeing box (1) comprises a dyeing chamber (101), a filtering chamber (102), a heat exchange chamber (103) and a transmission chamber (107) which are opened inside, the filtering tank (2) is arranged inside the filtering chamber (102), and the exchange box (3) is arranged inside the heat exchange chamber (103); A filter plate is embedded in the surface of the filter tank (2), a connecting pipe (6) is fixed on the surface of the filter chamber (102) and the heat exchange chamber (103), and a solenoid valve is provided on the surface of the connecting pipe (6); The fixing assembly (5) comprises a rotating shaft (501) and a knob (502), a threaded tube (503) and a pushing block (509) arranged on the side of the rotating shaft (501). The fixing assembly (5) further comprises a fixing block (504), and a limiting rod (506) is arranged inside the fixing block (504).

2. The device for recovering heat energy from dyeing wastewater according to claim 1, characterized in that: A first slide groove (106) is provided on the surface of the filter chamber (102); a first slider (201) is fixed to the side of the filter chamber (2); the first slider (201) is slidably connected in the first slide groove (106); the filter chamber (2) can be movably connected in the filter chamber (102) via the first slider (201) and the first slide groove (106); there are two first sliders (201) and two first slide grooves (106), which are symmetrically arranged on both sides of the filter chamber (2).

3. The device for recovering heat energy from dyeing wastewater according to claim 1, characterized in that: The surface of the exchange box (3) is provided with a slide rail (301), the fixed block (504) can be snapped into the slide rail (301), the rotating shaft (501) can be passed through the surface of the transmission chamber (107) through a bearing, the knob (502) is fixed to one end of the rotating shaft (501), the surface of the rotating shaft (501) is provided with a thread, the threaded tube (503) can be movably connected to the rotating shaft (501) through the thread, and the pushing block (509) is fixed to one end of the threaded tube (503).

4. The device for recovering heat energy from dyeing wastewater according to claim 3, characterized in that: A telescopic groove (505) is provided on the surface of the fixed block (504), the limiting rod (506) is inserted into the telescopic groove (505), a spring (507) is sleeved on the surface of the limiting rod (506), a limiting groove is provided on the surface of the slide rail (301), one end of the limiting rod (506) can be snapped into the limiting groove, and the limiting rod (506) and the pushing block (509) are perpendicular to each other.

5. The device for recovering heat energy from dyeing wastewater according to claim 1, characterized in that: The threaded tube (503) is fixed with a second slider (508) on the side thereof, and a second slide groove is provided on the surface of the transmission bin (107). The second slider (508) can be slidably connected in the second slide groove. The threaded tube (503) can be movably connected in the transmission bin (107) through the second slider (508) and the second slide groove. There are two sets of the second slider (508) and the second slide groove, and they are symmetrically arranged on both sides of the threaded tube (503).

6. The device for recovering heat energy from dyeing wastewater according to claim 1, characterized in that: An observation window (104) is provided on the surface of the dyeing box (1), and the position of the observation window (104) corresponds to the filtering chamber (102). The filtering tank (2) is capable of filtering residual dyes in wastewater.

7. The device for recovering heat energy from dyeing wastewater according to claim 1, characterized in that: A drainage pipe is provided on the surface of the exchange box (3), and the exchange box (3) can discharge waste water after heat exchange to an external purification facility through the drainage pipe.

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