Condensing device for methylal production

Abstract

The utility model relates to the technical field of methylal condensation, in particular to a condensing device for methylal production, which comprises a condensing tank, a plurality of U-shaped pipes are arranged in the condensing tank, and a plurality of transverse pipes and a plurality of U-shaped pipes are spliced together in an end-to-end splicing manner. A threaded sleeve is in threaded connection between the outer walls of the splicing positions, the other end of the transverse pipe located at the head end communicates with a water inlet pipe through the threaded sleeve, and the other end of the transverse pipe located at the tail end communicates with a water outlet pipe through the threaded sleeve; a plurality of nozzles which are uniformly distributed and are respectively opposite to the plurality of transverse pipes and the U-shaped pipes are mounted on the outer wall of the gas guide pipe, and the other end of the gas guide pipe extends to the outside of the condensation tank, so that the cooling pipe can be locally disassembled and replaced, the replacement cost is low, gas is blown to the outer wall of the cooling water pipe through the nozzles, and the cooling efficiency is improved. And full contact of the gas and the cooling water pipe is facilitated, and the condensation effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to formaldehyde condensation technical field, specifically is a formaldehyde condensing device for production. BACKGROUND

[0002] Formaldehyde, as a kind of environmental protection type benzene-free solvent, due to its unique physical and chemical properties, namely good solubility, low boiling point, good water compatibility, can be widely used in cosmetics, household goods, industrial automobile goods, insecticide, leather polish, rubber industry paint, ink, shoe adhesive, electronic equipment cleaner, ribbon formula, air freshener formula and other products, formaldehyde is used to condensing device in the process of production and purification.

[0003] The existing condensing device usually uses cooling water pipe to cool formaldehyde hot flow gas, collects the gas after condensation, and the existing cooling water pipe is usually integrally formed, which is not convenient to disassemble and maintain, and the cooling water pipe is damaged during use, so that the whole can only be replaced, and the use cost is high;

[0004] And a large amount of gas enters the inside of the condensing tank, part of the gas cannot be fully contacted with the cooling water pipe, and the condensation effect needs to be improved, so a formaldehyde condensing device for production needs to be proposed. UTILITY MODEL CONTENTS

[0005] The utility model discloses a formaldehyde condensing device for production, which can partially disassemble and replace the cooling pipe, has low replacement cost, and blows gas to the outer wall of the cooling water pipe through the spray head, so that the gas can fully contact with the cooling water pipe, and the condensation effect is improved.

[0006] To achieve the above object, the utility model provides the following technical scheme: a formaldehyde condensing device for production, which comprises a condensing tank, the inside of the condensing tank is provided with a plurality of horizontal pipes and a plurality of U-shaped pipes, the plurality of horizontal pipes and the plurality of U-shaped pipes are spliced together through the head-to-tail splicing mode, and the outer walls of the splicing positions are screw-connected with threaded sleeves, the other end of the horizontal pipe at the head is communicated with a water inlet pipe through the threaded sleeve, and the other end of the horizontal pipe at the tail is communicated with a water outlet pipe through the threaded sleeve.

[0007] The inside of the condensing tank is provided with a gas guide pipe, the outer wall of the gas guide pipe is installed with a plurality of spray heads which are uniformly distributed and respectively opposite to the plurality of horizontal pipes and U-shaped pipes, and the other end of the gas guide pipe extends to the outside of the condensing tank.

[0008] In order to facilitate the circulation of water refrigeration, as a kind of methylal production condensing device preferred, the left end of the condensing tank is provided with a water chiller, the water inlet pipe and the water outlet pipe are communicated with the water outlet and the water inlet of the water chiller respectively.

[0009] In order to increase the sealing of the joint of the horizontal pipe and the U-shaped pipe, the water inlet pipe and the water outlet pipe, as a kind of methylal production condensing device preferred, the both ends of the horizontal pipe are provided with sealing pads.

[0010] In order to facilitate the rotation of the threaded sleeve, as a kind of methylal production condensing device preferred, the outer wall of the threaded sleeve is fixedly connected with a driving block.

[0011] In order to facilitate the gas to be pumped into the gas guide pipe, as a kind of methylal production condensing device preferred, the gas guide pipe is provided with an air pump on the outer wall of the left end of the condensing tank.

[0012] In order to facilitate the liquid after the gas is condensed and liquefied, as a kind of methylal production condensing device preferred, the lower end of the condensing tank is communicated with a drain pipe.

[0013] Compared with the prior art, the beneficial effects of the present application are as follows:

[0014] The present application, in use, the cooperation of the gas guide pipe and the nozzle can guide the gas to the outer wall of the plurality of horizontal pipes and U-shaped pipes, so that it can be fully abutted with the plurality of horizontal pipes and U-shaped pipes;

[0015] The outer wall of the horizontal pipe and the U-shaped pipe is provided with a threaded groove matched with the threaded sleeve, so that when one of the horizontal pipe or the U-shaped pipe is damaged, the threaded sleeve at the joint of the corresponding horizontal pipe and the U-shaped pipe can be loosened, the horizontal pipe and the U-shaped pipe can be separated, and a new horizontal pipe or U-shaped pipe can be replaced.

[0016] In summary, the cooling pipe can be partially disassembled and replaced, the replacement cost is low, and the gas is blown to the outer wall of the cooling water pipe by the nozzle, which is beneficial to the full contact of the gas with the cooling water pipe, and the condensation effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the overall structure of the present application;

[0018] Fig. 2 It is the internal structure of the condensing tank of the present application;

[0019] Fig. 3 It is the partial disassembly structure of the present application.

[0020] In the figure: 1, condenser tank; 2, drain pipe; 3, water inlet pipe; 4, water outlet pipe; 5, cross pipe; 6, U-shaped pipe; 7, air guide pipe; 8, spray head; 9, threaded sleeve; 10, driving block; 11, air pump; 12, water chiller. DETAILED DESCRIPTION

[0021] Please refer to Figs. 1 to 3 A condensing device for producing methylal, comprising a condenser tank 1, the inside of the condenser tank 1 is provided with a plurality of cross pipes 5 and a plurality of U-shaped pipes 6, the plurality of cross pipes 5 and the plurality of U-shaped pipes 6 are spliced together through end-to-end splicing, threaded sleeves 9 are threadedly connected between the outer walls of the splicing positions, the other end of the cross pipe 5 at the leading end is communicated with a water inlet pipe 3 through the threaded sleeve 9, and the other end of the cross pipe 5 at the trailing end is communicated with a water outlet pipe 4 through the threaded sleeve 9.

[0022] The inside of the condenser tank 1 is provided with an air guide pipe 7, a plurality of spray heads 8 that are uniformly distributed and respectively opposite to the plurality of cross pipes 5 and the U-shaped pipes 6 are mounted on the outer wall of the air guide pipe 7, and the other end of the air guide pipe 7 extends to the outside of the condenser tank 1.

[0023] In the embodiment: in use, the hot gas generated in the methylal purification process is introduced into the spray heads 8 through the air guide pipe 7, and the gas can be introduced into the outer walls of the plurality of cross pipes 5 and the U-shaped pipes 6 through the spray heads 8, so that the gas can fully contact the plurality of cross pipes 5 and the U-shaped pipes 6, and the condensing effect is improved.

[0024] The outer walls of the cross pipes 5 and the U-shaped pipes 6 are provided with threaded grooves matched with the threaded sleeves 9, so that when one of the cross pipes 5 or the U-shaped pipes 6 is damaged, the threaded sleeve 9 at the splicing position of the corresponding cross pipe 5 or U-shaped pipe 6 can be loosened, the cross pipe 5 or the U-shaped pipe 6 can be disassembled, and a new cross pipe 5 or U-shaped pipe 6 can be replaced, without the need to disassemble and replace the entire cooling water pipe, so that the maintenance cost is low.

[0025] As a technical optimization scheme of the utility model, the left end of the condenser tank 1 is provided with a water chiller 12, and the water inlet pipe 3 and the water outlet pipe 4 are respectively communicated with the water outlet and the water inlet of the water chiller 12.

[0026] In the embodiment: the water pump on the outer wall of the water inlet pipe 3 can convey the cold water in the water chiller 12 to the inside of the cross pipes 5 and the U-shaped pipes 6 connected thereto through the water pump on the outer wall of the water inlet pipe 3, so as to cool the hot gas flow, and the water in the cross pipes 5 and the U-shaped pipes 6 can be circulated into the inside of the water chiller 12 through the water outlet pipe 4, so that the water chiller 12 can be circulated and cooled.

[0027] As a technical optimization scheme of the utility model, the two ends of the cross pipe 5 are both provided with sealing pads.

[0028] In the embodiment, the sealing gasket can increase the sealing performance of the joint between the horizontal pipe 5 and the U-shaped pipe 6, the water inlet pipe 3 and the water outlet pipe 4.

[0029] As a technical optimization scheme of the utility model, the outer wall of the threaded sleeve 9 is fixedly connected with a driving block 10.

[0030] In the embodiment, the driving block 10 is conducive to driving the threaded sleeve 9 to rotate.

[0031] As a technical optimization scheme of the utility model, the air guide pipe 7 is provided with an air extraction pump 11 on the outer side wall of the outer end of the condensing tank 1.

[0032] In the embodiment, the air guide pipe 7 is communicated with the external methylal purification hot gas flow pipe, and the air extraction pump 11 can pressurize the gas and then deliver the gas into the air guide pipe 7.

[0033] As a technical optimization scheme of the utility model, the condensing tank 1 is communicated with a water drainage pipe 2 at the lower end.

[0034] In the embodiment, the water drainage pipe 2 can guide the liquid after the gas is condensed and liquefied.

[0035] Working principle: in use, first, the air guide pipe 7 is communicated with the external methylal purification hot gas flow pipe, then the air extraction pump 11 can pressurize the gas and then deliver the gas into the air guide pipe 7 and spray out through the spray head 8, the spray head 8 can guide the gas to the outer wall of the plurality of horizontal pipes 5 and U-shaped pipes 6, so that the plurality of horizontal pipes 5 and U-shaped pipes 6 can be in full contact with the plurality of horizontal pipes 5 and U-shaped pipes 6, and the condensing effect is improved.

[0036] When one of the horizontal pipes 5 or the U-shaped pipes 6 is damaged, the threaded sleeve 9 at the joint between the corresponding horizontal pipe 5 and the U-shaped pipe 6 can be loosened, the horizontal pipe 5 and the U-shaped pipe 6 are separated, and a new horizontal pipe 5 or U-shaped pipe 6 is replaced, without the need to disassemble and replace the whole cooling water pipe, so that the maintenance cost is low.

[0037] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A condensing device for the production of methylal comprising a condensing tank (1), characterized by the fact that: The inside of the condensing tank (1) is provided with a plurality of horizontal tubes (5) and a plurality of U-shaped tubes (6), the plurality of horizontal tubes (5) and the plurality of U-shaped tubes (6) are spliced together by means of head-to-tail splicing, and the outer walls of the splicing positions are threadedly connected with threaded sleeves (9), the other end of the horizontal tube (5) at the head is communicated with the water inlet pipe (3) through the threaded sleeve (9), and the other end of the horizontal tube (5) at the tail is communicated with the water outlet pipe (4) through the threaded sleeve (9). The inside of the condensing tank (1) is provided with a gas guide pipe (7), the outer wall of the gas guide pipe (7) is provided with a plurality of nozzles (8) which are uniformly distributed and respectively opposite to the plurality of horizontal tubes (5) and the plurality of U-shaped tubes (6), and the other end of the gas guide pipe (7) extends to the outside of the condensing tank (1).

2. The condensing device for producing methylal according to claim 1, characterized by: The left end of the condensing tank (1) is provided with a cold water machine (12), and the water inlet pipe (3) and the water outlet pipe (4) are respectively communicated with the water outlet and the water inlet of the cold water machine (12).

3. The condensing device for producing methylal according to claim 1, characterized in that: The two ends of the horizontal tube (5) are provided with sealing pads.

4. The condensing device for producing methylal according to claim 1, characterized in that: The outer wall of the threaded sleeve (9) is fixedly connected with a driving block (10).

5. The condensing device for producing methylal according to claim 1, characterized by: The outer wall of the gas guide pipe (7) at one end outside the condensing tank (1) is provided with an air suction pump (11).

6. The condensing device for producing methylal according to claim 1, characterized by: The lower end of the condensing tank (1) is communicated with a drain pipe (2).

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