Purified terephthalic acid refining wastewater discharge device

Abstract

The utility model discloses a purified terephthalic acid refined wastewater discharge device which comprises a heat exchange box, a heat exchange pipe assembly is fixedly installed on the inner wall of the heat exchange box, the heat exchange pipe assembly comprises an arch-shaped pipe, the arch-shaped pipe is installed on the inner walls of the left side and the right side of the heat exchange box in a clamped mode, and manifolds are evenly and fixedly installed on the outer walls of the front side and the rear side of the arch-shaped pipe. The outer wall of the top end of the arch-shaped pipe is fixedly connected with a first water outlet pipe, and the outer wall of the bottom of the arch-shaped pipe is fixedly connected with a second water outlet pipe. The purified terephthalic acid refined wastewater to be discharged exchanges heat with cold water in the heat exchange box, the purified terephthalic acid refined wastewater can be cooled before being discharged, meanwhile, heat of the purified terephthalic acid refined wastewater can be recycled, and the practicability of equipment use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of purified terephthalic acid refining wastewater discharge devices, in particular to a purified terephthalic acid refining wastewater discharge device. Background Art

[0002] The purified terephthalic acid refining wastewater has a certain high temperature after it is produced, generally at 50℃-60℃. Since the main pollutants in the purified terephthalic acid refining wastewater are acetic acid, trimellitic acid, benzoic acid, isophthalic acid, terephthalic acid, p-toluic acid, etc., it is characterized by high organic matter content and high heavy metal content. It cannot be directly discharged or reused. The purified terephthalic acid refining wastewater needs to be treated to eliminate pollution. However, before the purified terephthalic acid refining wastewater is treated, the purified terephthalic acid refining wastewater needs to be cooled. Usually, the purified terephthalic acid refining wastewater is left to cool naturally, which consumes a long time. At the same time, the heat cannot be recycled and reused, which is inconvenient to use. Utility Model Content

[0003] The purpose of the utility model is to provide a purified terephthalic acid refining wastewater discharge device to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A purified terephthalic acid refining wastewater discharge device includes a heat exchange box, a heat exchange tube assembly is fixedly installed on the inner wall of the heat exchange box, the heat exchange tube assembly includes an arched tube, the arched tube is clamped and installed on the left and right inner walls of the heat exchange box, manifolds are evenly fixedly installed on the front and rear outer walls of the arched tube, the top outer wall of the arched tube is fixedly connected to a first water outlet pipe, the bottom outer wall of the arched tube is fixedly connected to a second water outlet pipe, a second valve is fixedly installed on the outer wall of the second water outlet pipe, a first valve is fixedly installed on the top outer wall of the first water outlet pipe, and an output end of the second water outlet pipe is fixedly connected to the inner wall of the first water outlet pipe.

[0006] In a preferred embodiment of the present invention, the inner wall of the heat exchange box is provided with a heat insulation layer, and a cold water inlet pipe is fixedly installed on the top of the side wall of the heat exchange box.

[0007] In a preferred embodiment of the present invention, the front end outer wall of the heat exchange box is fixedly connected to the warm water outlet pipe, and the outer wall of the warm water outlet pipe is fixedly installed with a third valve.

[0008] In a preferred embodiment of the present invention, a horizontal tube is fixedly installed on the front outer wall of the heat exchange box, two horizontal tubes are symmetrically distributed up and down, and a vertical tube is fixedly connected between the two horizontal tubes.

[0009] In a preferred embodiment of the present invention, the riser is a transparent tube, a scale is provided on the outer wall of the riser, and a controller is fixedly mounted on the outer wall of the front end of the heat exchange box.

[0010] In a preferred embodiment of the present invention, a display screen and operation buttons are fixedly mounted on the outer wall of the controller, and a temperature sensor for measuring the temperature of water inside the heat exchange box is installed inside the controller.

[0011] In a preferred embodiment of the present invention, a U-shaped groove is provided at the top of the left and right outer walls of the heat exchange box, and the U-shaped groove is used for clamping and installing the arch tube. The top outer wall of the heat exchange box is sealed and connected to the top cover. The input end of the arch tube is fixedly connected to the funnel, and the four corners of the bottom of the heat exchange box are fixedly connected to the support legs.

[0012] In a preferred embodiment of the present invention, the bottom outer wall of the top cover is fixedly connected to the plug-in block, the plug-in block is sealed and plug-in connected to the inner wall of the heat exchange box, and blocks are fixedly installed on the outer walls on both sides of the left and right sides of the plug-in block. A semicircular hole is provided at the bottom of the block, and the bottom outer wall of the block is plug-in connected to the top inner wall of the U-shaped groove.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention.

[0014] 1. By arranging the arch pipe and the manifold in conjunction with each other, the purified terephthalic acid wastewater to be discharged can exchange heat with the cold water inside the heat exchange box, which can cool the purified terephthalic acid wastewater before discharge. At the same time, the heat of the purified terephthalic acid wastewater can also be recycled, thereby improving the practicality of the equipment.

[0015] 2. By setting up the first outlet pipe and the second outlet pipe for use together, it is convenient to completely discharge the terephthalic acid refined wastewater inside the arch pipe and the manifold under the action of gravity after the equipment stops working, thereby improving the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 This is a schematic diagram of the main structure of a purified terephthalic acid refining wastewater discharge device;

[0018] Figure 2 It is a schematic diagram of the side structure of a purified terephthalic acid refining wastewater discharge device;

[0019] Figure 3It is a schematic diagram of the right side structure of a purified terephthalic acid refining wastewater discharge device;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of a heat exchange chamber in a purified terephthalic acid refining wastewater discharge device;

[0021] Figure 5 This is a schematic diagram of the top cover structure of a purified terephthalic acid refining wastewater discharge device.

[0022] In the figure: heat exchange box 100, cold water inlet pipe 110, warm water outlet pipe 120, third valve 121, support leg 130, horizontal pipe 140, vertical pipe 150, controller 160, display screen 161, operation button 162, top cover 170, plug 171, block 172, arch pipe 200, funnel 210, manifold 220, first outlet pipe 230, first valve 231, second outlet pipe 240, second valve 241. DETAILED DESCRIPTION

[0023] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0024] Example 1: Figures 1-4 , including a heat exchange box 100, a heat exchange tube assembly is fixedly installed on the inner wall of the heat exchange box 100, the heat exchange tube assembly includes an arch tube 200, the arch tube 200 is clamped and installed on the left and right inner walls of the heat exchange box 100, and the manifolds 220 are evenly fixedly installed on the front and rear outer walls of the arch tube 200. The top outer wall of the arch tube 200 is fixedly connected to the first water outlet pipe 230, and the bottom outer wall of the arch tube 200 is fixedly connected to the second water outlet pipe 240. The second valve 241 is fixedly installed on the outer wall of the second water outlet pipe 240, and the first valve 231 is fixedly installed on the top outer wall of the first water outlet pipe 230. The output end of the second water outlet pipe 240 is fixedly connected to the inner wall of the first water outlet pipe 230.

[0025] The specific usage scenario of this embodiment is: by setting the arch pipe 200 and the manifold 220 for use together, the purified terephthalic acid refined wastewater to be discharged can be heat exchanged with the cold water inside the heat exchange box 100, so that the purified terephthalic acid refined wastewater can be cooled before discharge, and the heat of the purified terephthalic acid refined wastewater can also be recycled. By setting the first water outlet pipe 230 and the second water outlet pipe 240 for use together, it is convenient to completely discharge the purified terephthalic acid wastewater inside the arch pipe 200 and the manifold 220 under the action of gravity after the equipment stops working.

[0026] Example 2: Figure 1 and Figure 3 The inner wall of the heat exchange box 100 is provided with an insulation layer, the cold water inlet pipe 110 is fixedly installed on the top of the side wall of the heat exchange box 100, the front end outer wall of the heat exchange box 100 is fixedly connected to the warm water outlet pipe 120, and the outer wall of the warm water outlet pipe 120 is fixedly installed with a third valve 121.

[0027] The specific usage scenario of this embodiment is: a cold water inlet pipe 110 and a warm water outlet pipe 120 are provided to supply water to and drain water from the heat exchange box 100 , and a third valve 121 is provided to control the on / off of the warm water outlet pipe 120 .

[0028] Example 3: Figure 3 A horizontal pipe 140 is fixedly installed on the outer wall of the front end of the heat exchange box 100. The two horizontal pipes 140 are symmetrically distributed up and down. A vertical pipe 150 is fixedly connected between the two horizontal pipes 140. The vertical pipe 150 is a transparent tube. A scale is set on the outer wall of the vertical pipe 150. A controller 160 is fixedly installed on the outer wall of the front end of the heat exchange box 100. A display screen 161 and an operation button 162 are fixedly installed on the outer wall of the controller 160. A temperature sensor for measuring the temperature of the water inside the heat exchange box 100 is installed inside the controller 160.

[0029] The specific usage scenario of this embodiment is: by setting the horizontal pipe 140 and the vertical pipe 150 for use in conjunction, it has the function of checking the water level height inside the heat exchange box 100, by setting the controller 160 for operation to check the temperature in the heat exchange box 100, by setting the temperature sensor for the temperature of the water inside the heat exchange box 100, the temperature sensor is PT100.

[0030] Example 4: Figure 3 and Figure 5 A U-shaped groove is provided on the top of the outer wall on both sides of the heat exchange box 100. The U-shaped groove is used to clamp and install the arch tube 200. The outer wall of the top of the heat exchange box 100 is sealed and connected to the top cover 170. The input end of the arch tube 200 is fixedly connected to the funnel 210. The four corners of the bottom of the heat exchange box 100 are fixedly connected to the support legs 130. The outer wall of the bottom of the top cover 170 is fixedly connected to the plug block 171. The plug block 171 is sealed and plugged into the inner wall of the heat exchange box 100. The outer walls of the left and right sides of the plug block 171 are fixedly installed. A semicircular hole is provided at the bottom of the block 172. The outer wall of the bottom of the block 172 is plugged into the inner wall of the top of the U-shaped groove.

[0031] The specific usage scenario of this embodiment is: by setting the bottom outer wall of the block 172 to cooperate with the U-shaped groove for plug-in connection, it is used to clamp and position the outer wall of the arch tube 200, thereby improving the stability of the equipment and improving the thermal insulation effect. By setting the top cover 170, it is used to seal the top outer wall of the heat exchange box 100.

[0032] The working principle of the present invention is as follows: when in use, those skilled in the art introduce the terephthalic acid refined wastewater to be discharged into the funnel 210, and then introduce the terephthalic acid refined wastewater into the arched pipe 200, until the terephthalic acid refined wastewater to be discharged is transported to the interior of each manifold 220, and the cold water is transported to the interior of the heat exchange box 100 through the cold water inlet pipe 110, so that the cold water inside the heat exchange box 100 contacts the outer walls of the arched pipe 200 and the manifold 220, thereby heat exchange occurs between the terephthalic acid refined wastewater and the cold water, thereby heating the cold water, so that the heat in the terephthalic acid refined wastewater can be recycled and utilized as a heat source for heating the cold water, thereby being able to In order to provide a supply of warm water in the factory, the bow pipe 200 and the manifold 220 are set up for use in conjunction, so as to extend the time that the refined terephthalic acid wastewater stays in the heat exchange box 100, so that the heat in the refined terephthalic acid wastewater can be fully exchanged with the cold water, thereby improving the efficiency of heat exchange. The first valve 231 is opened to control the first outlet pipe 230 for drainage, and the second valve 241 is opened to control the second outlet pipe 240 for drainage. The temperature of the cold water in the heat exchange box 100 is detected by the temperature sensor in the controller 160, and the third valve 121 is opened to control the discharge of the heated warm water in the heat exchange box 100 through the warm water outlet pipe 120.

[0033] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A purified terephthalic acid refining wastewater discharge device, comprising a heat exchange box (100), wherein a heat exchange tube assembly is fixedly installed on the inner wall of the heat exchange box (100), characterized in that: The heat exchange tube assembly comprises an arched tube (200), the arched tube (200) being mounted on the inner walls on the left and right sides of the heat exchange box (100), a manifold (220) being evenly fixedly mounted on the outer walls on the front and rear sides of the arched tube (200), the outer wall at the top end of the arched tube (200) being fixedly connected to the first water outlet pipe (230), the outer wall at the bottom end of the arched tube (200) being fixedly connected to the second water outlet pipe (240), the outer wall of the second water outlet pipe (240) being fixedly mounted with a second valve (241), the outer wall of the top end of the first water outlet pipe (230) being fixedly mounted with the first valve (231), and the output end of the second water outlet pipe (240) being fixedly connected to the inner wall of the first water outlet pipe (230).

2. The purified terephthalic acid refining wastewater discharge device according to claim 1, characterized in that: The inner wall of the heat exchange box (100) is provided with a heat insulation layer, and a cold water inlet pipe (110) is fixedly installed on the top of the side wall of the heat exchange box (100).

3. The purified terephthalic acid refining wastewater discharge device according to claim 2, characterized in that: The front end outer wall of the heat exchange box (100) is fixedly connected to the warm water outlet pipe (120), and the outer wall of the warm water outlet pipe (120) is fixedly installed with a third valve (121).

4. The purified terephthalic acid refining wastewater discharge device according to claim 1, characterized in that: A transverse pipe (140) is fixedly installed on the front outer wall of the heat exchange box (100), the two transverse pipes (140) are symmetrically distributed up and down, and a vertical pipe (150) is fixedly connected between the two transverse pipes (140).

5. The purified terephthalic acid refining wastewater discharge device according to claim 4, characterized in that: The standpipe (150) is a transparent tube, and a scale is provided on the outer wall of the standpipe (150). A controller (160) is fixedly mounted on the outer wall of the front end of the heat exchange box (100).

6. The purified terephthalic acid refining wastewater discharge device according to claim 5, characterized in that: A display screen (161) and an operation button (162) are fixedly mounted on the outer wall of the controller (160), and a temperature sensor for measuring the temperature of water inside the heat exchange box (100) is installed inside the controller (160).

7. The purified terephthalic acid refining wastewater discharge device according to claim 1, characterized in that: The top ends of the outer walls on both sides of the heat exchange box (100) are provided with U-shaped grooves, the U-shaped grooves being used for clamping and installing the arched tube (200), the top outer wall of the heat exchange box (100) being matched with a sealing connection top cover (170), the input end of the arched tube (200) being fixedly connected to the funnel (210), and the four corners of the bottom of the heat exchange box (100) being fixedly connected to the supporting legs (130).

8. The purified terephthalic acid refining wastewater discharge device according to claim 7, characterized in that: The outer wall at the bottom of the top cover (170) is fixedly connected to an insert block (171), and the insert block (171) is plugged and connected with the inner wall of the heat exchange box (100) in a sealed manner. Stop blocks (172) are fixedly installed on the outer walls on both sides of the insert block (171), and a semicircular hole is opened at the bottom of the stop block (172). The outer wall at the bottom of the stop block (172) is plugged and connected with the inner wall at the top of the U-shaped groove.

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