Multi-section type preheating heat exchanger of evaporator

Abstract

The multi-section type preheating heat exchanger of the evaporator comprises a box body, a bent pipe assembly is arranged in the box body, the bent pipe assembly comprises a continuous bent pipe, a honeycomb core is welded in the continuous bent pipe, one end of the continuous bent pipe is in threaded connection with an air inlet pipe, and the other end of the continuous bent pipe is in threaded connection with an air outlet pipe. A plurality of mounting pipes are in threaded connection with the outer wall of one side of the continuous bent pipe, and water conveying pipes are inserted into the outer walls of one sides of the mounting pipes; through the design of the continuous bent pipe, the circulation speed of water vapor can be slowed down, the heat exchange time of the water vapor and waste water in the box body is shortened, meanwhile, through the design of the honeycomb core, the heat exchange efficiency between the water vapor in the continuous bent pipe and the waste water in the box body can be improved, and the heat exchange speed is increased; when the condensate water is discharged, the condensate water flows into the filter pipe through the water conveying pipe, the filter element column in the filter pipe can adsorb the condensate water in the filter pipe, and most impurities in the condensate water can be removed.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater evaporator technical field, concretely relates to a evaporator multistage preheating heat exchanger. BACKGROUND

[0002] Wastewater evaporator aims at the characteristics such as high salinity and high concentration of chemical organic wastewater, and is based on the principle of evaporation concentration crystallization. Multi-effect vacuum evaporation concentration crystallization organic wastewater is adopted, salt in the concentrated liquid is separated, then is recycled through the salt collector, the concentrated liquid is dried and recycled or incineration treatment, and the condensed water after evaporation is generally treated through subsequent biochemical treatment, so that the standard of wastewater discharge can be realized. When the steam generated in the main body of the evaporator enters the preheating tank and is discharged from the condensing steam pipe, the steam still has a high temperature due to the fast flow rate of the steam in the preheating tank.

[0003] For example, the evaporator multistage preheating heat exchanger with the application number CN202323561952.4 and the authorization announcement date of 20241108, which comprises a heat exchange shell and an upper cover arranged on the surface of the heat exchange shell, further comprises a heat exchange assembly arranged in the heat exchange shell, the heat exchange assembly comprises a heat exchange plate arranged in the heat exchange shell and a second baffle and a first baffle fixedly connected to one side of the heat exchange plate, two partition plates are arranged on the other side of the heat exchange plate, an adjusting plate is inserted into the slot formed in the upper surface of the partition plate, and the adjusting plate and the partition plate are slidingly connected. The utility model is convenient to adjust the flow rate of steam, preheats the wastewater by using steam in multiple stages, improves the utilization rate of steam, is convenient to collect the condensed water generated by the steam, and improves the use effect of the preheating heat exchanger.

[0004] In order to reduce the waste of resources, the condensing structure is connected to the exhaust port of the wastewater evaporator, and the heat exchange between the wastewater and the water vapor discharged from the evaporator is realized through the condensing structure. However, the heat exchange effect of the traditional wastewater evaporator condensing structure is poor, so that the water vapor discharged after condensation still has a high temperature. Therefore, it is urgent to design an evaporator multistage preheating heat exchanger to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an evaporator multistage preheating heat exchanger to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a kind of evaporator multistage preheating heat exchanger, including box, the box inside is equipped with elbow assembly, the elbow assembly includes continuous elbow, the continuous elbow is welded with honeycomb core inside, the continuous elbow one end is threadedly connected with air inlet pipe, the continuous elbow other end is threadedly connected with air outlet pipe, the continuous elbow one side outer wall is threadedly connected with multiple installation pipe, and installation pipe one side outer wall is inserted with water delivery pipe, multiple the water delivery pipe one end is equipped with filter tube by bolt, and filter tube bottom one side outer wall is threadedly connected with drain pipe.

[0008] Further, the filter tube one end is threadedly connected with screw cover, and the screw cover one end is equipped with filter core column by bolt.

[0009] Further, the installation pipe bottom end is threadedly connected with installation cylinder, and the installation cylinder inside is slidably connected with sliding plate.

[0010] Further, the sliding plate bottom center is equipped with spring by bolt, and the spring bottom end is installed on the inner wall center of installation cylinder by bolt.

[0011] Further, the sliding plate top center is threadedly connected with connecting rod, and the connecting rod top end is threadedly connected with piston block, and the piston block is slidably connected in the installation pipe inside.

[0012] Further, the box one side outer wall is inserted with water inlet pipe, and the box one side outer wall is inserted with water outlet pipe.

[0013] In the above technical scheme, the utility model provides a kind of evaporator multistage preheating heat exchanger, and beneficial effect is:

[0014] (1) by being equipped with continuous elbow, honeycomb core, the design of continuous elbow can make water vapor flow speed slow, improve the time of water vapor and tank interior waste water heat exchange, simultaneously, the design of honeycomb core can improve the heat exchange efficiency between water vapor in continuous elbow and waste water in tank interior, and speed up the heat exchange speed.

[0015] (2) by being equipped with filter core column, when condensate is discharged, condensate can flow into filter tube through water delivery pipe, and the filter core column in filter tube can adsorb and treat condensate in filter tube, so that most impurities in condensate can be removed.

[0016] (3) by being equipped with spring, sliding plate, connecting rod and piston block, when the weight of condensate accumulated in the bottom of continuous elbow exceeds the elastic force of spring, the structure formed by piston block, connecting rod and sliding plate will slide in installation pipe and installation cylinder, when the top end of piston block falls to water delivery pipe, condensate in installation pipe will flow into filter tube through water delivery pipe, which realizes the purpose of automatic drainage of continuous elbow, and the discharge of condensate can be realized without the assistance of workers. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0018] Figure 1 The overall structure schematic view provided by the embodiment of the evaporator multi-section preheating heat exchanger of the present application.

[0019] Figure 2 The elbow assembly structure schematic view provided by the embodiment of the evaporator multi-section preheating heat exchanger of the present application.

[0020] Figure 3 The outlet gas pipe, inlet gas pipe and continuous elbow schematic view provided by the embodiment of the evaporator multi-section preheating heat exchanger of the present application.

[0021] Figure 4 The structure enlarged view of the A part in the embodiment of the evaporator multi-section preheating heat exchanger of the present application. Figure 3

[0022] Explanation of reference signs:

[0023] 1, box; 2, water outlet pipe; 3, elbow assembly; 4, water inlet pipe; 5, outlet gas pipe; 6, inlet gas pipe; 7, continuous elbow; 8, mounting pipe; 9, mounting cylinder; 10, water delivery pipe; 11, filter pipe; 12, threaded cover; 13, drain pipe; 14, filter core column; 15, piston block; 16, connecting rod; 17, sliding plate; 18, spring; 19, honeycomb core. DETAILED DESCRIPTION

[0024] In order to make those skilled in the art better understand the technical scheme of the present application, the present application will be further described in detail in combination with the drawings.

[0025] As shown in the drawings, Figures 1-4 The embodiment of the present application provides an evaporator multi-section preheating heat exchanger, which comprises a box 1, a bending pipe assembly 3 is arranged in the box 1, the bending pipe assembly 3 comprises a continuous elbow 7, a honeycomb core 19 is welded in the continuous elbow 7, an inlet gas pipe 6 is threadedly connected to one end of the continuous elbow 7, an outlet gas pipe 5 is threadedly connected to the other end of the continuous elbow 7, a plurality of mounting pipes 8 are threadedly connected to the outer wall of one side of the continuous elbow 7, a water delivery pipe 10 is inserted into the outer wall of one side of the mounting pipe 8, a filter pipe 11 is mounted at one end of the plurality of water delivery pipes 10 through bolts, and a drain pipe 13 is threadedly connected to the outer wall of one side of the bottom of the filter pipe 11.

[0026] ​Specifically, in the embodiment, the box body 1 is provided with the elbow pipe assembly 3, the elbow pipe assembly 3 comprises a continuous elbow pipe 7, the continuous elbow pipe 7 is welded with a honeycomb core 19, the honeycomb core 19 is designed to improve the heat exchange efficiency between the water vapor in the continuous elbow pipe 7 and the waste water in the box body 1, and the heat exchange speed is accelerated, and with continuous heat exchange, the cooled condensed water is left at the bottom of the continuous elbow pipe 7, one end of the continuous elbow pipe 7 is threadedly connected with the air inlet pipe 6, the air inlet pipe 6 facilitates the water vapor discharged from the evaporator to flow into the continuous elbow pipe 7, the other end of the continuous elbow pipe 7 is threadedly connected with the air outlet pipe 5, the air outlet pipe 5 facilitates the water vapor in the continuous elbow pipe 7 to flow out, the outer wall of one side of the continuous elbow pipe 7 is threadedly connected with a plurality of mounting pipes 8, the outer wall of one side of the mounting pipe 8 is inserted with a water delivery pipe 10, the water delivery pipe 10 facilitates the cooling water in the mounting pipe 8 to flow into the filter pipe 11, one end of the plurality of water delivery pipes 10 is provided with the filter pipe 11 through bolts, and the outer wall of one side of the bottom of the filter pipe 11 is threadedly connected with the drain pipe 13, and the valve is arranged on the drain pipe 13, so that the condensed water in the filter pipe 11 can be discharged.

[0027] The continuous elbow pipe 7 is designed to slow down the water vapor flow speed, improve the water vapor and waste water heat exchange time in the box body 1, and the honeycomb core 19 is designed to improve the heat exchange efficiency between the water vapor in the continuous elbow pipe 7 and the waste water in the box body 1, and the heat exchange speed is accelerated.

[0028] In one embodiment of the utility model, as shown in the drawing, Figures 2-3 The filter pipe 11 is threadedly connected with the threaded cover 12 at one end, the threaded cover 12 is twisted to facilitate the filter core column 14 to be detached from the filter pipe 11, the threaded cover 12 is provided with the filter core column 14 at one end through bolts, the filter core column 14 is made of multiple filter cloths and activated carbon, the filter core column 14 in the filter pipe 11 can absorb and treat the condensed water in the filter pipe 11, most of the impurities in the condensed water can be removed, and the condensed water in the filter pipe 11 can be discharged by opening the drain pipe 13.

[0029] In another embodiment of the utility model, as shown in the drawing, Figures 3-4As shown, the bottom end of the mounting pipe 8 is threadedly connected with a mounting cylinder 9, and the mounting cylinder 9 is slidably connected with a sliding plate 17, the bottom center of the sliding plate 17 is bolted with a spring 18, and the bottom end of the spring 18 is bolted on the inner wall center of the mounting cylinder 9, the top center of the sliding plate 17 is threadedly connected with a connecting rod 16, and the top end of the connecting rod 16 is threadedly connected with a piston block 15, when the weight of the condensed water accumulated at the bottom of the continuous elbow pipe 7 exceeds the elastic force of the spring 18, the structure composed of the piston block 15, the connecting rod 16 and the sliding plate 17 will slide in the mounting pipe 8 and the mounting cylinder 9, when the top end of the piston block 15 falls to the water delivery pipe 10, the condensed water in the mounting pipe 8 will flow into the filter pipe 11 through the water delivery pipe 10, and the purpose of automatic drainage of the continuous elbow pipe 7 is achieved, and the discharge of the condensed water can be realized without the assistance of workers, and the piston block 15 is slidably connected in the mounting pipe 8.

[0030] In another embodiment of the utility model, as shown in Figure 1 As shown, the one side outer wall of the box body 1 is inserted with a water inlet pipe 4, the water inlet pipe 4 is convenient for waste water to flow into the box body 1, and the one side outer wall of the box body 1 is inserted with a water outlet pipe 2, and the water outlet pipe 2 is convenient for waste water to flow out of the box body 1.

[0031] Embodiment 1

[0032] A kind of evaporator multi-section preheating heat exchanger, including box body 1, box body 1 inside is equipped with elbow pipe assembly 3, elbow pipe assembly 3 includes continuous elbow pipe 7, and the welding of honeycomb core 19 is arranged in continuous elbow pipe 7, the design of honeycomb core 19 can improve the heat exchange efficiency between water vapor in continuous elbow pipe 7 and waste water in box body 1, and heat exchange speed is accelerated, with continuous heat exchange, the condensed water cooled will be left at the bottom of continuous elbow pipe 7, one end of continuous elbow pipe 7 is threadedly connected with air inlet pipe 6, air inlet pipe 6 is convenient for water vapor discharged from evaporator to flow into the inside of continuous elbow pipe 7, the other end of continuous elbow pipe 7 is threadedly connected with air outlet pipe 5, air outlet pipe 5 is convenient for water vapor in the inside of continuous elbow pipe 7 to flow out, the one side outer wall of continuous elbow pipe 7 is threadedly connected with multiple mounting pipes 8, and the one side outer wall of mounting pipe 8 is inserted with water delivery pipe 10, water delivery pipe 10 is convenient for cooling water in the inside of mounting pipe 8 to flow into the inside of filter pipe 11, and the bottom one side outer wall of filter pipe 11 is threadedly connected with drain pipe 13, and valve is installed on drain pipe 13, to facilitate the discharge of condensed water in filter pipe 11.

[0033] Embodiment 2

[0034] The embodiment is further limited on the basis of embodiment 1, wherein the filter pipe 11 is threadedly connected with a threaded cover 12 at one end, and the threaded cover 12 is screwed to facilitate the dismounting of the filter core column 14 from the filter pipe 11, and the threaded cover 12 is bolted with the filter core column 14 at one end, the filter core column 14 is made of multiple filter cloths matched with activated carbon, the filter core column 14 inside the filter pipe 11 can absorb and treat the condensed water inside the filter pipe 11, and can remove most of the impurities in the condensed water, and the subsequent opening of the drain pipe 13 can make the condensed water inside the filter pipe 11 drain out; the mounting pipe 8 is threadedly connected with a mounting cylinder 9 at the bottom end, and the mounting cylinder 9 is slidably connected with a sliding plate 17 inside, the sliding plate 17 is bolted with a spring 18 at the bottom center, and the spring 18 is bolted at the inner wall center of the mounting cylinder 9 at the bottom end, the sliding plate 17 is threadedly connected with a connecting rod 16 at the top center, and the connecting rod 16 is threadedly connected with a piston block 15 at the top end, when the weight of the condensed water accumulated at the bottom of the continuous elbow pipe 7 exceeds the elastic force of the spring 18, the structure composed of the piston block 15, the connecting rod 16 and the sliding plate 17 will slide inside the mounting pipe 8 and the mounting cylinder 9, when the top end of the piston block 15 falls to the water delivery pipe 10, the condensed water inside the mounting pipe 8 will flow into the filter pipe 11 through the water delivery pipe 10, and the process realizes the purpose of automatic drainage of the continuous elbow pipe 7, and the discharge of the condensed water can be realized without the assistance of workers, and the piston block 15 is slidably connected inside the mounting pipe 8; the water inlet pipe 4 is inserted into the outer wall of one side of the box body 1, the water inlet pipe 4 facilitates the inflow of waste water into the box body 1, the water outlet pipe 2 is inserted into the outer wall of one side of the box body 1, and the water outlet pipe 2 facilitates the outflow of waste water from the box body 1.

[0035] Working principle: when the device is applied, water vapor discharged by the evaporator can be injected into the continuous bend pipe 7 through the air inlet pipe 6, and then the water vapor will flow into the continuous bend pipe 7, in the process, the honeycomb core 19 can disperse the water vapor, at the same time, waste water can be injected into the box 1 through the water inlet pipe 4, and then the waste water will be continuously injected, and the waste water will be discharged from the water outlet pipe 2, in the process, through the continuous bend pipe 7, the waste water can exchange heat with the water vapor in the continuous bend pipe 7, in the heat exchange process, the design of the continuous bend pipe 7 can slow down the flow speed of the water vapor, and the time for the water vapor to exchange heat with the waste water in the box 1 is improved, at the same time, the design of the honeycomb core 19 can improve the heat exchange efficiency between the water vapor in the continuous bend pipe 7 and the waste water in the box 1, and accelerate the heat exchange speed, with continuous heat exchange, the cooled condensed water will be accumulated at the bottom of the continuous bend pipe 7, when the weight of the condensed water accumulated at the bottom of the continuous bend pipe 7 exceeds the elastic force of the spring 18, the structure composed of the piston block 15, the connecting rod 16 and the sliding plate 17 will slide in the installation pipe 8 and the installation cylinder 9, when the top end of the piston block 15 falls to the water inlet pipe 10, the condensed water in the installation pipe 8 will flow into the filter pipe 11 through the water inlet pipe 10, and then the filter core column 14 in the filter pipe 11 can adsorb the condensed water in the filter pipe 11, so that most of the impurities in the condensed water can be removed, and then the drain pipe 13 can be opened to discharge the condensed water in the filter pipe 11.

[0036] The above only describes some exemplary embodiments of the present application by way of illustration, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and descriptions are illustrative in nature and should not be understood as limiting the scope of protection of the present application.

Claims

1. A multi-stage preheating heat exchanger for evaporators comprising a box (1), characterized in that, The box (1) is internally provided with a bent pipe assembly (3), the bent pipe assembly (3) comprises a continuous bent pipe (7), the continuous bent pipe (7) is welded with a honeycomb core (19) internally, one end of the continuous bent pipe (7) is threadedly connected with an air inlet pipe (6), the other end of the continuous bent pipe (7) is threadedly connected with an air outlet pipe (5), the outer wall of one side of the continuous bent pipe (7) is threadedly connected with a plurality of mounting pipes (8), the outer wall of one side of the mounting pipe (8) is inserted with a water delivery pipe (10), one end of the plurality of water delivery pipes (10) is bolted with a filter pipe (11), and the bottom of one side of the filter pipe (11) is threadedly connected with a drain pipe (13).

2. A multi-stage preheating heat exchanger for evaporators according to claim 1, characterized in that, One end of the filter pipe (11) is threadedly connected with a threaded cover (12), and the threaded cover (12) is bolted with a filter core column (14) at one end.

3. A multi-stage preheating heat exchanger for evaporators according to claim 1, characterized in that, The bottom end of the mounting pipe (8) is threadedly connected with a mounting cylinder (9), and the mounting cylinder (9) is internally slidably connected with a sliding plate (17).

4. A multi-stage preheating heat exchanger for evaporators according to claim 3, characterized in that, The bottom center of the sliding plate (17) is bolted with a spring (18), and the bottom end of the spring (18) is bolted to the inner wall center of the mounting cylinder (9).

5. A multi-stage preheating heat exchanger for evaporators according to claim 3, characterized in that, The top center of the sliding plate (17) is threadedly connected with a connecting rod (16), and the top end of the connecting rod (16) is threadedly connected with a piston block (15), and the piston block (15) is slidably connected in the mounting pipe (8).

6. A multi-stage preheating heat exchanger for evaporators according to claim 1, characterized in that, The outer wall of one side of the box (1) is inserted with a water inlet pipe (4), and the outer wall of one side of the box (1) is inserted with a water outlet pipe (2).

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