Formaldehyde production device with heat cyclic utilization mechanism

Abstract

The utility model discloses a formaldehyde production device with a heat cyclic utilization mechanism, which relates to the technical field of formaldehyde production, and comprises a condensation tank body, a water inlet bin, a water outlet bin and a condensation bin are sequentially formed in the condensation tank body from top to bottom, the bottom of the water inlet bin is fixedly communicated with cooling pipes which are distributed in a circumferential array, the cooling pipes are of a cylindrical structure, and the water outlet bin is communicated with the condensation bin. The formaldehyde production device with the heat cyclic utilization mechanism comprises a cooling pipe, a U-shaped cavity is formed in the cooling pipe, a heat insulation plate is fixedly connected to the inner wall of the cooling pipe, and the interior of the cooling pipe is divided into the U-shaped cavity by the heat insulation plate. And meanwhile, by arranging a cleaning frame and a scraping ring, the surface cleaning effect and the cleaning range of the cooling pipe can be improved, so that the cleaning effect of the formaldehyde production device can be effectively improved, and the service life of the formaldehyde production device can be effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to formaldehyde production technical field, concretely is formaldehyde production device with heat recycling mechanism. BACKGROUND

[0002] Formaldehyde is an organic compound, colorless gas, low concentration is not easy to perceive, very easy to be covered by other smell, such as air freshener, concentration is higher, has strong irritability and asphyxiating smell, has the stimulation to human eye, nose and so on. Formaldehyde has extensive use in petroleum chemical industry, medicine, light textile, biological chemical industry and energy, transportation and so on. Formaldehyde production is mainly through the oxidation reaction of methanol and air (or oxygen), so that formaldehyde gas is reacted.

[0003] After a large number of searches, it is found that: China utility model patent column: the publication number CN221245211U discloses a kind of formaldehyde production device with heat recycling mechanism, including formaldehyde production tank, flue and filter sleeve;The bottom of formaldehyde production tank is provided with support leg, the inside of formaldehyde production tank is provided with heater, the rear end in formaldehyde production tank is provided with temperature monitoring module;The middle position in formaldehyde production tank is provided with stirring structure.

[0004] In the above scheme, although there are many benefits, formaldehyde liquid has corrosive, using condensate pipe and formaldehyde gas contact mode, although it can complete gas cooling, formaldehyde liquid will be attached to the surface of condensate pipe, so it will corrode condensate pipe, although using the way of scraper moving up and down is cleaned, but the surface of condensate pipe is not smooth, the cleaning range of scraper is limited, the residual formaldehyde liquid on the surface of condensate pipe will continue to corrode condensate pipe, so it will reduce the service life and cleaning effect of formaldehyde production device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing formaldehyde production device with heat recycling mechanism to solve the problem of poor cleaning effect of current formaldehyde production device in prior art.

[0006] To achieve the above object, the utility model provides following technical scheme: formaldehyde production device with heat recycling mechanism, including condensing tank body, the inside of condensing tank body is shaped with water inlet bin, water outlet bin and condensing bin from top to bottom in turn, the bottom of water inlet bin is fixedly connected with the circumferential array distribution cooling pipe, the cooling pipe is cylindrical structure, the inside of cooling pipe is shaped with U cavity, the inner wall of cooling pipe is fixedly connected with heat insulating plate, heat insulating plate divides the inside of cooling pipe into U cavity of U shape, the both ends of U cavity are penetrated and are connected with water inlet bin and water outlet bin respectively, the top of cooling pipe penetrates water outlet bin and is fixedly connected with the bottom wall of water inlet bin, the top and one side of cooling pipe are equipped with two through - going orifices respectively, two through - going orifices are penetrated and are connected with the both ends of U cavity respectively, and two through - going orifices are penetrated and are connected with water inlet bin and water outlet bin respectively, the upper portion of condensing tank body is installed with pneumatic cylinder, the telescopic end of pneumatic cylinder bottom is fixedly connected with cleaning frame, and the cleaning frame is located in the condensing bin cavity, and the outside of cleaning frame is in contact with the inner wall of condensing bin, a plurality of scraping rings are fixedly connected in the cleaning frame through connecting rod, and each scraping ring is slidably arranged on the outside of each cooling pipe.

[0007] Preferably, the condensing tank body is provided with a water pump and a condenser on one side, and a conduit is fixedly connected between the water pump and the condenser, between the water pump and the water outlet bin, and between the condenser and the water inlet bin, and the water pump is electrically connected with a power source.

[0008] Preferably, the condensing tank body is provided with a production tank body on one side, and a gas outlet pipe is fixedly connected between the condensing bin in the condensing tank body and the production tank body, and a liquid outlet is formed in the bottom of the condensing bin.

[0009] Preferably, a sandwich cavity is formed between the inner wall and the outer wall of the production tank body, a smoke exhaust pipe is fixedly connected between the inner wall of the sandwich cavity and the inner wall of the condensing bin, and a smoke outlet is formed in the inner wall of the sandwich cavity in the production tank body.

[0010] Preferably, a rotating rod is rotatably connected to the top wall inside the condensing bin, and a circumferentially arrayed scraping rod is fixedly connected to the bottom end of the rotating rod, and the upper part of the scraping rod is in contact with the bottom end of the cooling pipe.

[0011] Preferably, a servo motor is installed on the upper part of the condensing tank body, the movable end of the servo motor is fixedly connected to the top end of the rotating rod, and the servo motor is electrically connected with a power source.

[0012] Preferably, circumferentially arrayed partition plates are fixedly connected to the inner walls on both sides of the sandwich cavity, the two groups of partition plates are arranged in a staggered manner, a baffle is fixedly connected in the sandwich cavity, and the baffle is located between the smoke outlet and the smoke exhaust pipe.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The present application sets up a cooling pipe, and sets up a U-shaped cavity in the cooling pipe, so that the formaldehyde liquid attached to the surface of the cooling pipe can be cleaned, and the cleaning effect and cleaning range of the surface of the cooling pipe can be increased by setting the cleaning frame and the scraping ring, so that the cleaning effect and service life of the formaldehyde production device can be effectively improved.

[0015] 2、The present application sets up a rotating rod and a scraping rod, and the scraping rod and the scraping ring are used in cooperation, so that the outer wall of the cooling pipe can be cleaned in all directions, and the cleaning range of the surface of the cooling pipe is improved, so that the cleaning effect and service life of the formaldehyde production device are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic view of the whole formaldehyde production device with a heat recycling mechanism of the utility model;

[0017] Figure 2 It is a front view cross-sectional three-dimensional schematic view of the whole formaldehyde production device with a heat recycling mechanism of the utility model;

[0018] Figure 3 It is a top view cross-sectional structure schematic view of the whole formaldehyde production device with a heat recycling mechanism of the utility model;

[0019] Figure 4 It is a three-dimensional schematic view of the cooperation of the cleaning frame and the rotating rod of the formaldehyde production device with a heat recycling mechanism of the utility model;

[0020] Figure 5 It is a cross-sectional three-dimensional schematic view of the cooling pipe of the formaldehyde production device with a heat recycling mechanism of the utility model.

[0021] Marked number in the figure: 1, condensing tank body; 2, water inlet bin; 3, condensing bin; 4, water outlet bin; 5, cooling pipe; 6, U-shaped cavity; 7, cleaning frame; 8, scraping ring; 9, water pump; 10, condenser; 11, production tank body; 12, gas outlet pipe; 13, liquid discharge port; 14, interlayer cavity; 15, smoke exhaust pipe; 16, rotating rod; 17, scraping rod; 18, servo motor; 19, partition; 20, baffle; 21, air cylinder; 22, smoke outlet. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Embodiment: asFigure 1 - Figure 5 As shown, the present invention provides a technical solution for a formaldehyde production device with a heat recycling mechanism, including a condensing tank body 1, wherein the interior of the condensing tank body 1 is sequentially formed with a water inlet bin 2, a water outlet bin 4 and a condensing bin 3 from top to bottom, the bottom of the water inlet bin 2 is fixedly connected to a cooling pipe 5 distributed in a circumferential array, the cooling pipe 5 is a cylindrical structure, a U-shaped cavity 6 is formed inside the cooling pipe 5, the inner wall of the cooling pipe 5 is fixedly connected to a heat insulation board, the heat insulation board divides the interior of the cooling pipe 5 into a U-shaped U-shaped cavity 6, the two ends of the U-shaped cavity 6 are respectively connected to the water inlet bin 2 and the water outlet bin 4, and the top of the cooling pipe 5 is penetrated The water outlet bin 4 is fixedly connected to the bottom wall of the water inlet bin 2. Two through openings are respectively provided on the top and one side of the cooling pipe 5. The two through openings are respectively connected to the two ends of the U-shaped cavity 6, and the two through openings are respectively connected to the water inlet bin 2 and the water outlet bin 4. A cylinder 21 is installed on the upper part of the condensation tank body 1. The telescopic end of the bottom of the cylinder 21 is fixedly connected to the cleaning rack 7. The cleaning rack 7 is located in the cavity of the condensation bin 3, and the outer side of the cleaning rack 7 is in contact with the inner wall of the condensation bin 3. A plurality of scraping rings 8 are fixedly connected to the cleaning rack 7 through a connecting rod. Each scraping ring 8 is slidably sleeved on the outer side of each cooling pipe 5.

[0024] The cleaning frame 7 is pushed up and down by the cylinder 21 , and the cleaning frame 7 scrapes off the condensed water attached to the outer wall of the cooling pipe 5 by using the scraper ring 8 .

[0025] like Figure 1 As shown, a water pump 9 and a condenser 10 are installed on one side of the condensation tank 1. Pipes are fixedly connected between the water pump 9 and the condenser 10, between the water pump 9 and the water outlet tank 4, and between the condenser 10 and the water inlet tank 2. The water pump 9 is electrically connected to the power supply.

[0026] The condensed water is transported by the water pump 9, and the condensed water enters the U-shaped cavity 6 from the water inlet tank 2, and then undergoes heat exchange in the U-shaped cavity 6. The condensed water that completes the heat exchange enters the water outlet tank 4 through the other end of the U-shaped cavity 6, and then enters the condenser 10 through the conduit for cooling. The condensed water that has been cooled again enters the water inlet tank 2 again, thereby forming a water cycle.

[0027] like Figure 1 As shown, a production tank body 11 is provided on one side of the condensation tank body 1, and an air outlet pipe 12 is fixedly connected between the condensation bin 3 in the condensation tank body 1 and the production tank body 11, and a drain port 13 is formed at the bottom of the condensation bin 3;

[0028] The drain port 13 is used to discharge the condensed formaldehyde liquid. The drain port 13, the air outlet pipe 12, and the smoke outlet 22 are all provided with solenoid valves for controlling the opening and closing of each pipe port. The formaldehyde liquid produced by the production tank body 11 enters the condensation tank body 1 through the air outlet pipe 12 for cooling.

[0029] The specific structure and equipment of the production tank body 11, as well as the connection mode and use method of the related structure and equipment, are all prior art. For specific description, refer to the corresponding structure and parts in the formaldehyde production device with heat recycling mechanism disclosed in CN221245211U. This application will not be described in detail.

[0030] As shown in Figure 2 and Figure 3 , a sandwich cavity 14 is formed between the inner wall and the outer wall of the production tank body 11. The inner wall of the sandwich cavity 14 is fixedly connected with the inner wall of the condensation bin 3. The exhaust pipe 15 is fixedly connected between the inner wall of the sandwich cavity 14 and the inner wall of the condensation bin 3. The production tank body 11 is located in the inner wall of the sandwich cavity 14 and is formed with an exhaust port 22.

[0031] The condensed exhaust gas is discharged into the sandwich cavity 14 through the exhaust pipe 15, and then discharged from the exhaust port 22.

[0032] As shown in Figure 2 and Figure 4 , the top wall inside the condensation bin 3 is rotatably connected with a rotating rod 16. The bottom end of the rotating rod 16 is fixedly connected with a circumferentially arrayed scraper rod 17. The upper part of the scraper rod 17 is in contact with the bottom end of the cooling pipe 5.

[0033] By rotating the rotating rod 16, the rotating rod 16 uses the scraper rod 17 to remove the adhering material adhering to the bottom of the cooling pipe 5.

[0034] As shown in Figure 2 , a servo motor 18 is installed on the upper part of the condensation tank body 1. The movable end of the servo motor 18 is fixedly connected with the top end of the rotating rod 16. The servo motor 18 is electrically connected with the power supply.

[0035] The servo motor 18 drives the rotating rod 16 to rotate.

[0036] As shown in Figure 3 , the inner walls on both sides of the sandwich cavity 14 are fixedly connected with a circumferentially arrayed baffle 19. The two groups of baffles 19 are arranged in a staggered manner. A baffle 20 is fixedly connected in the sandwich cavity 14. The baffle 20 is located between the exhaust port 22 and the exhaust pipe 15.

[0037] By using the baffles 19 and the baffle 20, the flow distance and time of the exhaust gas in the sandwich cavity 14 can be increased.

[0038] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A formaldehyde production device with a heat recycling mechanism, comprising a condensation tank (1), characterized in that: The interior of the condensation tank (1) is sequentially formed with a water inlet bin (2), a water outlet bin (4) and a condensation bin (3) from top to bottom. The bottom of the water inlet bin (2) is fixedly connected to a cooling pipe (5) distributed in a circumferential array. A U-shaped cavity (6) is formed inside the cooling pipe (5). The two ends of the U-shaped cavity (6) are respectively connected to the water inlet bin (2) and the water outlet bin (4). A cylinder (21) is installed on the upper part of the condensation tank (1). The telescopic end of the bottom of the cylinder (21) is fixedly connected to a cleaning rack (7). The cleaning rack (7) is located in the cavity of the condensation bin (3), and the outer side of the cleaning rack (7) is in contact with the inner wall of the condensation bin (3). A plurality of scraping rings (8) are fixedly connected to the inside of the cleaning rack (7) through a connecting rod. Each of the scraping rings (8) is slidably sleeved on the outer side of each cooling pipe (5).

2. The formaldehyde production device with a heat recycling mechanism according to claim 1, characterized in that: A water pump (9) and a condenser (10) are installed on one side of the condensation tank body (1), and conduits are fixedly connected between the water pump (9) and the condenser (10), between the water pump (9) and the water outlet bin (4), and between the condenser (10) and the water inlet bin (2).

3. The formaldehyde production device with a heat recycling mechanism according to claim 1, characterized in that: A production tank body (11) is provided on one side of the condensation tank body (1), and an air outlet pipe (12) is fixedly connected between the condensation bin (3) in the condensation tank body (1) and the production tank body (11), and a liquid discharge port (13) is formed at the bottom of the condensation bin (3).

4. The formaldehyde production device with a heat recycling mechanism according to claim 3, characterized in that: An interlayer cavity (14) is formed between the inner wall and the outer wall of the production tank body (11), a smoke exhaust pipe (15) is fixedly connected between the inner wall of the interlayer cavity (14) and the inner wall of the condensation chamber (3), and a smoke exhaust port (22) is formed on the inner wall of the interlayer cavity (14) of the production tank body (11).

5. The formaldehyde production device with a heat recycling mechanism according to claim 1, characterized in that: The top wall inside the condensation chamber (3) is rotatably connected to a rotating rod (16), and the bottom end of the rotating rod (16) is fixedly connected to scraping rods (17) distributed in a circumferential array, and the upper part of the scraping rod (17) is in contact with the bottom end of the cooling pipe (5).

6. The formaldehyde production device with a heat recycling mechanism according to claim 1, characterized in that: A servo motor (18) is installed on the upper portion of the condensation tank body (1), and the movable end of the servo motor (18) is fixedly connected to the top end of the rotating rod (16).

7. The formaldehyde production device with a heat recycling mechanism according to claim 4, characterized in that: Partitions (19) distributed in a circumferential array are fixedly connected to the inner walls of both sides of the interlayer cavity (14), and the two groups of partitions (19) are staggered with each other. A baffle (20) is fixedly connected inside the interlayer cavity (14), and the baffle (20) is located between the smoke exhaust port (22) and the smoke exhaust pipe (15).

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