Efficient heat exchange device based on wastewater at bottom of methylal reaction tower

Abstract

The utility model relates to the technical field of methylal reaction towers, and discloses an efficient heat exchange device based on waste water at the bottom of a methylal reaction tower, which comprises a heat exchanger, a waste water inlet is fixed on one side of the heat exchanger, a clamping component is arranged on the bottom side of the waste water inlet, a filter screen is mounted in the waste water inlet through the clamping component, and a water outlet is formed in the other side of the heat exchanger. The clamping assembly comprises a fixing block, a fixing rod, a spring, a sliding plate, a clamping block, a pressing plate, a sliding groove and a sliding block. According to the efficient heat exchange device based on the waste water at the bottom of the methylal reaction tower, impurity particles in the waste water can be intercepted and filtered through the filter screen, the impurity particles are prevented from entering the heat exchanger, the filter screen can be mounted and dismounted through the clamping assembly in a clamping mode, personnel can conveniently dismount and maintain the filter screen, and the working efficiency is improved. During disassembly, only two pressing plates need to be pressed at the same time, and the clamping blocks can be driven to move to the inner sides of the through holes in cooperation with the sliding plates and the fixing rods, so that the clamping relation is broken.

Description

Technical Field

[0001] The utility model relates to the technical field of methylal reaction towers, in particular to a high-efficiency heat exchange device based on waste water at the bottom of a methylal reaction tower. Background Art

[0002] Methylal is a colorless, clear, volatile, flammable liquid. It is a chemical agent with a low boiling point and excellent water solubility, offering promising prospects for the development of water-based aerosols. Currently, methylal production is typically performed in a reaction tower. Steam is introduced from the bottom of the tower, and formaldehyde and methanol solutions are sprayed into the top of the tower. The methanol and formaldehyde solutions react under the action of a catalyst to produce methylal.

[0003] According to the application number 202223078499.7, a reaction tower for methylal production is disclosed, which specifically includes a base plate, the top surface of the base plate is fixedly connected to the reaction tower, a transmission shaft is coaxially provided inside the reaction tower, the top end of the transmission shaft is rotatably connected to the reaction tower, the outer surface of the transmission shaft is provided with a multi-layer blade group, each layer of the blade group is provided with no less than three stirring blades, the stirring blades are perpendicular to the axis of the transmission shaft, and one end of the stirring blades is connected to the transmission shaft; an annular tube is coaxially provided on the periphery of the transmission shaft, and there are two annular tubes that are arranged in parallel, and the radius of the annular tube is greater than the length of the stirring blade.

[0004] The following problems still exist in actual use:

[0005] (1) In the prior art, a certain amount of high-temperature wastewater will be generated when the methylal reaction tower is used. The heat energy of the high-temperature wastewater generated can be recovered by setting a heat exchanger at the bottom of the tower. However, the wastewater inlet of the heat exchanger lacks a filtering structure, and particulate impurities in the wastewater can easily enter the interior of the heat exchanger, causing accumulation.

[0006] (2) When it is necessary to understand the specific heat transfer effect, the staff needs to measure the temperature of the liquid after heat exchange by hand or other means to obtain the heat transfer effect, but it is cumbersome to measure the temperature each time. Utility Model Content

[0007] In response to the shortcomings of the existing technology, the utility model provides a high-efficiency heat exchange device based on the wastewater at the bottom of the methylal reaction tower. It has the advantages of a filter screen arranged in the wastewater inlet to prevent particulate impurities in the wastewater from entering the interior of the heat exchanger. At the same time, it is convenient for personnel to install and disassemble the filter screen, and it can measure the temperature of the liquid after heat exchange, thereby solving the problems raised in the background technology.

[0008] The utility model provides the following technical solution: a high-efficiency heat exchange device based on the wastewater at the bottom of a methylal reaction tower, comprising a heat exchanger, a wastewater inlet fixed to one side of the heat exchanger, a clamping assembly provided on the bottom side of the wastewater inlet, and a filter installed inside the wastewater inlet through the clamping assembly;

[0009] The clamping assembly includes a fixed block, a fixed rod, a spring, a sliding plate, a clamping block, a pressing plate, a slide groove, and a slider. The fixed block is arranged at the bottom of the wastewater inlet, and fixed rods are arranged at both ends of the interior of the fixed block. A spring is arranged on the surface of the fixed rod, and a sliding plate is also arranged on the surface of the fixed rod. A clamping block is arranged at the bottom of the sliding plate, and pressing plates are arranged on both sides of the fixed block. A slide groove is opened on the inner wall of the fixed block, and sliders are arranged on both sides of the sliding plate.

[0010] Preferably, the top of the heat exchanger is fixedly connected to a water inlet, the bottom end of the water inlet is fixedly connected to a heat exchange tube, the bottom end of the heat exchange tube is fixedly connected to a water outlet, one end of the water outlet is fixedly connected to a water storage tank, and a temperature measuring component is provided on the outside of the water outlet.

[0011] Preferably, the fixed block is fixedly connected to the bottom of the wastewater inlet, the fixed rod is fixedly connected to the inner wall of the fixed block, the spring is sleeved on the surface of the fixed rod, the sliding plate is sleeved on the surface of the fixed rod and fixedly connected to one end of the spring, the clamping block is fixedly connected to the bottom of the sliding plate, one end of the pressing plate is fixedly connected to one side of the sliding plate, and the slider is fixedly connected to both sides of the sliding plate.

[0012] Preferably, the bottom of the filter is fixedly connected to a base, both side surfaces of the base are provided with through holes, and the sliding plate is located inside the through holes.

[0013] Preferably, the temperature measuring assembly includes a mounting block, an electric push rod, a movable plate, a temperature sensor, a connecting rod, and a sealing plate. The outer wall of the water outlet is fixedly connected to the mounting block, the top of the mounting block is fixedly installed with an electric push rod, the output shaft of the electric push rod is fixedly connected to the movable plate, the top of the movable plate is fixedly installed with a temperature sensor, both ends of the bottom of the movable plate are fixedly connected to connecting rods, and the bottom end of the connecting rod is fixedly connected to a sealing plate.

[0014] Preferably, a display panel is fixedly mounted on one side of the heat exchanger, and the display panel is electrically connected to the temperature sensor.

[0015] Preferably, a wastewater outlet is fixedly connected to the bottom of one side of the heat exchanger.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. This high-efficiency heat exchange device based on the wastewater at the bottom of the methylal reaction tower is equipped with a filter screen to intercept and filter impurity particles in the wastewater to prevent impurity particles from entering the interior of the heat exchanger. The filter screen can be installed and removed by snap-fitting through a snap-fitting assembly, making it convenient for personnel to disassemble and maintain the filter screen. When disassembling, it is only necessary to press the two pressing plates at the same time, cooperate with the sliding plate and the fixing rod, and drive the snap-fitting block to move to the inside of the through hole to disconnect the snap-fitting relationship. Then, the base can be pulled out downward to remove the base and the filter screen, which is convenient for personnel to operate and understand.

[0018] 2. This high-efficiency heat exchange device based on the wastewater at the bottom of the methylal reaction tower is equipped with a temperature measuring component, which can measure the temperature of the liquid after heat exchange, making it convenient for personnel to understand the specific heat exchange effect. By starting the electric push rod, the temperature sensor can be driven into the inside of the water outlet to measure the temperature of the liquid after heat exchange. The test results will be presented on the display panel, which is convenient for personnel to understand intuitively. When temperature measurement is not required, the sealing plate can be used for sealing to reduce moisture and other factors from entering the interior of the installation block. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a high-efficiency heat exchange device based on wastewater from the bottom of a methylal reaction tower provided by the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of a high-efficiency heat exchange device based on wastewater from the bottom of a methylal reaction tower provided by the utility model;

[0021] Figure 3 The utility model provides a high-efficiency heat exchange device based on the wastewater at the bottom of the methylal reaction tower Figure 2 A in the middle is an enlarged structural diagram;

[0022] Figure 4 This is a schematic diagram of the split structure of the filter screen of a high-efficiency heat exchange device based on wastewater at the bottom of a methylal reaction tower provided by the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of a snap-on assembly of a high-efficiency heat exchange device based on wastewater at the bottom of a methylal reaction tower provided by the utility model;

[0024] Figure 6 The utility model provides a high-efficiency heat exchange device based on the wastewater at the bottom of the methylal reaction tower Figure 5 Enlarged structural diagram at point B in the middle.

[0025] In the figure: 1. Heat exchanger; 2. Water inlet; 3. Heat exchange tube; 4. Water outlet; 5. Wastewater inlet; 6. Filter; 7. Snap-on assembly; 701. Fixed block; 702. Fixed rod; 703. Spring; 704. Sliding plate; 705. Snap-on block; 706. Pressing plate; 707. Slide groove; 708. Slider; 8. Base; 9. Through hole; 10. Wastewater outlet; 11. Water storage tank; 12. Temperature measuring assembly; 1201. Mounting block; 1202. Electric push rod; 1203. Movable plate; 1204. Temperature sensor; 1205. Connecting rod; 1206. Sealing plate; 13. Display panel. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figures 1 to 6 , an efficient heat exchange device based on the wastewater at the bottom of the methylal reaction tower, including a heat exchanger 1, a wastewater inlet 5 is fixed on one side of the heat exchanger 1, a clamping assembly 7 is provided on the bottom side of the wastewater inlet 5, a filter screen 6 is installed inside the wastewater inlet 5 through the clamping assembly 7, the clamping assembly 7 includes a fixed block 701, a fixed rod 702, a spring 703, a sliding plate 704, a clamping block 705, a pressing plate 706, a slide groove 707, and a slider 708. The fixed block 701 is arranged at the bottom of the wastewater inlet 5, and fixed rods 702 are provided at both ends of the interior of the fixed block 701. The surface of the fixed rod 702 is provided with a spring 703, and the surface of the fixed rod 702 is also provided with a sliding plate 704. A clamping block 705 is provided at the bottom of the sliding plate 704, and pressing plates 706 are provided on both sides of the fixed block 701. A slide groove 707 is opened on the inner wall of the fixed block 701, and sliders 708 are provided on both sides of the sliding plate 704.

[0028] By providing a filter screen 6, impurity particles in the wastewater can be intercepted and filtered to prevent the impurity particles from entering the interior of the heat exchanger 1, and the filter screen 6 can be installed and removed by snap-fitting through the snap-fit ​​assembly 7, making it convenient for personnel to disassemble and maintain the filter screen 6.

[0029] See also Figures 1 to 6, the fixed block 701 is fixedly connected to the bottom of the wastewater inlet 5, the fixed rod 702 is fixedly connected to the inner wall of the fixed block 701, the spring 703 is sleeved on the surface of the fixed rod 702, the sliding plate 704 is sleeved on the surface of the fixed rod 702, and is fixedly connected to one end of the spring 703, the clamping block 705 is fixedly connected to the bottom of the sliding plate 704, one end of the pressing plate 706 is fixedly connected to one side of the sliding plate 704, the slider 708 is fixedly connected to both sides of the sliding plate 704, the bottom of the filter screen 6 is fixedly connected to the base 8, and through holes 9 are opened on both side surfaces of the base 8, and the sliding plate 704 is located inside the through hole 9;

[0030] When disassembling, it is only necessary to press the two pressing plates 706 at the same time, and cooperate with the sliding plate 704 and the fixing rod 702 to drive the clamping block 705 to move to the inner side of the through hole 9, disconnect the clamping relationship, and then pull out the base 8 downward to pull out the base 8 and the filter screen 6, which is convenient for personnel to operate and understand. When the sliding plate 704 moves horizontally, it can drive the slider 708 to slide in the slide groove 707 to increase stability.

[0031] See also Figures 1 to 2 The top of the heat exchanger 1 is fixedly connected to a water inlet 2, the bottom end of the water inlet 2 is fixedly connected to a heat exchange tube 3, the bottom end of the heat exchange tube 3 is fixedly connected to a water outlet 4, one end of the water outlet 4 is fixedly connected to a water storage tank 11, and the bottom of one side of the heat exchanger 1 is fixedly connected to a wastewater outlet 10;

[0032] High-temperature wastewater enters the heat exchanger 1 from the wastewater inlet 5, and low-temperature water enters the heat exchange tube 3 from the water inlet 2, and flows from top to bottom inside the heat exchange tube 3, exchanging heat with the high-temperature wastewater in the heat exchanger 1 during the flow process.

[0033] See also Figures 1 to 3 , a temperature measuring component 12 is provided on the outside of the water outlet 4, and the temperature measuring component 12 includes a mounting block 1201, an electric push rod 1202, a movable plate 1203, a temperature sensor 1204, a connecting rod 1205, and a sealing plate 1206. The outer wall of the water outlet 4 is fixedly connected with the mounting block 1201, the top of the mounting block 1201 is fixedly installed with the electric push rod 1202, the output shaft of the electric push rod 1202 is fixedly connected with the movable plate 1203, the top of the movable plate 1203 is fixedly installed with the temperature sensor 1204, and the bottom ends of the movable plate 1203 are fixedly connected with connecting rods 1205, and the bottom end of the connecting rod 1205 is fixedly connected with the sealing plate 1206. A display panel 13 is fixedly installed on one side of the heat exchanger 1, and the display panel 13 is electrically connected to the temperature sensor 1204;

[0034] By providing a temperature measuring component 12, the temperature of the liquid after heat exchange can be measured, which makes it convenient for personnel to understand the specific heat exchange effect. By starting the electric push rod 1202, the temperature sensor 1204 can be driven into the inside of the water outlet 4 to measure the temperature of the liquid after heat exchange.

[0035] In the present invention, the working principle of the device is as follows:

[0036] During use, the high-temperature wastewater generated by the methylal reaction tower is introduced into the heat exchanger 1 from the wastewater inlet 5, and the low-temperature water is introduced into the heat exchange tube 3 from the water inlet 2, and flows from top to bottom inside the heat exchange tube 3. During the flow process, heat is exchanged with the high-temperature wastewater in the heat exchanger 1, and the water after heat exchange flows into the water storage tank 11 from the water outlet 4, thereby recovering the heat energy of the high-temperature wastewater. When the wastewater passes through the wastewater inlet 5, the impurity particles in the wastewater are intercepted and filtered by the filter 6 to prevent the impurity particles from entering the interior of the heat exchanger 1. When the filter 6 needs to be disassembled and cleaned, the personnel presses the two pressing plates 706 at the same time, driving the sliding plate 704 to move horizontally on the fixed rod 702, and at the same time driving the clamping block 705 to move horizontally, so that the fixed rod 702 and the clamping block 705 move to the inner side of the through hole 9, disconnecting the clamping relationship, and then pulling out the base 8 downward, the base 8 and the filter 6 can be pulled out, and the filter 6 can be disassembled and cleaned. Conversely, the filter 6 can be reinstalled;

[0037] When the water after heat exchange flows into the water storage tank 11 from the water outlet 4, the movable plate 1203 is pushed downward by starting the electric push rod 1202, and the temperature sensor 1204 and the sealing plate 1206 are driven downward at the same time, so that the temperature sensor 1204 enters the interior of the water outlet 4 to measure the temperature of the liquid after heat exchange. The test results will be presented on the display panel 13 for the convenience of personnel to understand intuitively. When temperature measurement is not required, the electric push rod 1202 can be started to drive the movable plate 1203 to rise, thereby returning the temperature sensor 1204 and the sealing plate 1206 to their original positions, and the sealing plate 1206 is used for sealing to reduce moisture and the like from entering the interior of the mounting block 1201.

[0038] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency heat exchange device based on wastewater from the bottom of a methylal reaction tower, comprising a heat exchanger (1), characterized in that: A wastewater inlet (5) is fixed on one side of the heat exchanger (1), a clamping assembly (7) is provided on the bottom side of the wastewater inlet (5), and a filter screen (6) is installed inside the wastewater inlet (5) via the clamping assembly (7); The clamping assembly (7) comprises a fixed block (701), a fixed rod (702), a spring (703), a sliding plate (704), a clamping block (705), a pressing plate (706), a sliding groove (707), and a sliding block (708). The fixed block (701) is arranged at the bottom of the wastewater inlet (5). The fixed rods (702) are arranged at both ends of the interior of the fixed block (701). The spring (703) is arranged on the surface of the fixed rod (702). The sliding plate (704) is also arranged on the surface of the fixed rod (702). The clamping block (705) is arranged at the bottom of the sliding plate (704). Pressing plates (706) are arranged on both sides of the fixed block (701). A sliding groove (707) is provided on the inner wall of the fixed block (701). Slide blocks (708) are arranged on both sides of the sliding plate (704).

2. The high-efficiency heat exchange device based on wastewater from the bottom of the methylal reaction tower according to claim 1, characterized in that: The top of the heat exchanger (1) is fixedly connected to a water inlet (2), the bottom end of the water inlet (2) is fixedly connected to a heat exchange tube (3), the bottom end of the heat exchange tube (3) is fixedly connected to a water outlet (4), one end of the water outlet (4) is fixedly connected to a water storage tank (11), and a temperature measuring component (12) is provided outside the water outlet (4).

3. The high-efficiency heat exchange device based on wastewater from the bottom of the methylal reaction tower according to claim 1, characterized in that: The fixed block (701) is fixedly connected to the bottom of the wastewater inlet (5), the fixed rod (702) is fixedly connected to the inner wall of the fixed block (701), the spring (703) is sleeved on the surface of the fixed rod (702), the sliding plate (704) is sleeved on the surface of the fixed rod (702) and fixedly connected to one end of the spring (703), the clamping block (705) is fixedly connected to the bottom of the sliding plate (704), one end of the pressing plate (706) is fixedly connected to one side of the sliding plate (704), and the slider (708) is fixedly connected to both sides of the sliding plate (704).

4. The high-efficiency heat exchange device based on wastewater from the bottom of the methylal reaction tower according to claim 1, characterized in that: The bottom of the filter screen (6) is fixedly connected to a base (8), and through holes (9) are provided on both side surfaces of the base (8), and the sliding plate (704) is located inside the through holes (9).

5. The high-efficiency heat exchange device based on wastewater from the bottom of the methylal reaction tower according to claim 2, characterized in that: The temperature measuring assembly (12) comprises a mounting block (1201), an electric push rod (1202), a movable plate (1203), a temperature sensor (1204), a connecting rod (1205), and a sealing plate (1206); the outer wall of the water outlet (4) is fixedly connected to the mounting block (1201); the top of the mounting block (1201) is fixedly mounted with the electric push rod (1202); the output shaft of the electric push rod (1202) is fixedly connected to the movable plate (1203); the top of the movable plate (1203) is fixedly mounted with the temperature sensor (1204); both ends of the bottom of the movable plate (1203) are fixedly connected to the connecting rod (1205); and the bottom end of the connecting rod (1205) is fixedly connected to the sealing plate (1206).

6. The high-efficiency heat exchange device based on wastewater from the bottom of the methylal reaction tower according to claim 1, characterized in that: A display panel (13) is fixedly mounted on one side of the heat exchanger (1), and the display panel (13) is electrically connected to the temperature sensor (1204).

7. The high-efficiency heat exchange device based on wastewater from the bottom of the methylal reaction tower according to claim 1, characterized in that: A wastewater outlet (10) is fixedly connected to the bottom of one side of the heat exchanger (1).

Images