CN212491643U

CN212491643U - Built-in heat exchange pipe fitting of melamine crystallizer

Info

Publication number: CN212491643U
Application number: CN202021089575.2U
Authority: CN
Inventors: 王要国; 陈朝阳
Original assignee: Henan Jindadi Chemical Industry Co Ltd
Current assignee: Henan Jindadi Chemical Industry Co Ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-02-09
Anticipated expiration: 2030-06-15

Abstract

The utility model relates to a built-in heat transfer pipe fitting of melamine crystallizer, which comprises a pipe body, the equal swing joint in the left and right sides of body has the tube head, two the circumference lateral wall of tube head all alternates there is fixed pipe, two fixed pipe is relative one side and is passed through cooling tube fixed connection, the ring channel has been seted up on the cooling tube side surface, the rubber sleeve has been cup jointed on the ring channel. The utility model discloses when using, because long-term heat exchange, remain the dirt on the cooling tube outer wall with in the body, when wasing inside, start the pressure boost air pump, pressure boost air pump produces gas can be through external trachea and intake pipe entering ring channel in, and gas can make the rubber sleeve increase the volume, under the effect of inflation, cubic spot on the rubber sleeve can be broken by the inflation, the disintegrating slag can fall into in the body, such after gassing, repetitive operation can increase the speed that no liability spot was clear away, and is simple and convenient.

Description

Built-in heat exchange pipe fitting of melamine crystallizer

Technical Field

The utility model relates to a heat transfer pipe fitting technical field specifically is a built-in heat transfer pipe fitting of melamine crystallizer.

Background

The melamine crystallizer adopts forced external circulation, namely, heat exchange is carried out through an external heat exchanger, the limitation of a heat exchange area is avoided, and the heat transfer capacity is large. Because the large-flow circulating pump is arranged to force the solution to circulate, the relative flow velocity between the crystal and the solution is increased, which is beneficial to the growth of crystal nucleus and can lead the crystal to collide to form spherical crystal. Because the contact area is small, the product is not easy to harden in the storage process, and the heat transfer coefficient is larger, the crystallization effect is better.

However, the heat exchanger has the disadvantages that the heat exchanger is easy to scale due to the fact that the cooling surface is cooled, so that the heat exchange resistance of equipment is increased, the heat exchange coefficient is reduced, the efficiency of the heat exchanger is reduced, meanwhile, the outlet resistance of the circulating pump is increased, the current of the motor is increased, and the normal operation of the motor is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to the not enough of prior art, the utility model provides a built-in heat transfer pipe fitting of melamine crystallizer has solved the problem that the background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: a built-in heat exchange pipe fitting of a melamine crystallizer comprises a pipe body, pipe heads are movably connected to the left side and the right side of the pipe body, fixed pipes are inserted into the circumferential side walls of the two pipe heads, the opposite sides of the two fixed pipes are fixedly connected through a cooling pipe, an annular groove is formed in the side surface of the cooling pipe, a rubber sleeve is sleeved on the annular groove, an interface groove is formed in the side surface of the annular groove, an air inlet pipe is sleeved in the cooling pipe, one end of the air inlet pipe is inserted into the interface groove and extends to the inner cavity of the rubber sleeve, an external air pipe is fixedly connected to the other end of the air inlet pipe, one end of the external air pipe penetrates through the bottom of the inner wall of the fixed pipe on the left side and extends to the upper side of the fixed pipe, a pressurization air pump is fixedly connected, the equal fixedly connected with of the left and right sides of body inner wall scrapes the strip, two the fixed tube inner wall passes through scraper blade fixed connection.

Preferably, circular grooves are formed in the side surface of the tube head, and a water inlet pipe and a water outlet pipe are fixedly connected in the circular grooves respectively.

Preferably, one side overlap joint of scraping the strip is in the one side of tube head inner wall, one side overlap joint of scraper blade is in the one side of tube head inner wall.

Preferably, the annular has all been seted up to the left and right sides of body, two the relative one end of tube head is pegged graft in the annular, the axle sleeve has been cup jointed on the tube head, the outer wall of axle sleeve with one side fixed connection of annular inner wall, annular inner wall cup jointed the sealing washer, one side fixed connection of sealing washer is in the circumference mouth side of tube head.

Preferably, the outside fixedly connected with U-shaped pole of tube head, the both ends of U-shaped pole respectively with two the surface fixed connection of tube head.

The utility model provides a built-in heat transfer pipe fitting of melamine crystallizer. The method has the following beneficial effects:

the utility model discloses when using, because long-term heat exchange, remain the dirt on the cooling tube outer wall with in the body, when wasing inside, start the pressure boost air pump, pressure boost air pump produces gas can be through external trachea and intake pipe entering ring channel in, and gas can make the rubber sleeve increase volume, under the effect of inflation, cubic spot on the rubber sleeve can be broken by the inflation, the disintegrating slag can fall into in the body, like this after the gassing, repeated operation can increase the speed that the spot was clear away, and is simple and convenient.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the point B in FIG. 1 according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the device comprises a pipe body 1, a ring groove 2, a sealing ring 3, a shaft sleeve 4, a pipe head 5, a fixing pipe 6, a cooling pipe 7, a ring groove 8, a rubber sleeve 9, a connector groove 10, an air inlet pipe 11, an external air pipe 12, a pressurization air pump 13, a water inlet pipe 14, a water outlet pipe 15, a scraping strip 16 and a scraping plate 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a built-in heat exchange pipe fitting of a melamine crystallizer comprises a pipe body 1, pipe heads 5 are movably connected to the left side and the right side of the pipe body 1, fixed pipes 6 are inserted into the circumferential side walls of the two pipe heads 5, opposite sides of the two fixed pipes 6 are fixedly connected through cooling pipes 7, an annular groove 8 is formed in the side surface of each cooling pipe 7, a rubber sleeve 9 is sleeved on each annular groove 8, an interface groove 10 is formed in the side surface of each annular groove 8, an air inlet pipe 11 is sleeved in each cooling pipe 7, one end of each air inlet pipe 11 is inserted into each interface groove 10 and extends to the inner cavity of each rubber sleeve 9, the other end of each air inlet pipe 11 is fixedly connected with an external air pipe 12, one end of each external air pipe 12 penetrates through the bottom of the inner wall of the corresponding fixed pipe 6 on the left side and extends to the upper side of the inner wall of the corresponding fixed pipe, a pressurization air, the inner walls of the two fixed tubes 6 are fixedly connected through a scraper 17. The cooling pipe 7 that the fixed pipe 6 communicates is applicable to the pipeline that the coolant liquid flows through for carry out the heat transfer operation of cooling with the mother liquor of process in the body 1.

When using, because long-term heat exchange, remain the dirt on the cooling tube 7 outer wall and in the body 1, when wasing inside, start pressure boost air pump 13, pressure boost air pump 13 produces gas and can get into in the ring channel 8 through external trachea 12 and intake pipe 11, and gas can make rubber sleeve 9 increase volume, under the effect of inflation, cubic spot on the rubber sleeve 9 can be broken by the inflation, the disintegrating slag can fall into in the body 1, after gassing like this, the operation of relapse, can increase the speed that the spot was clear away, and is simple and convenient.

Specifically, circular grooves are formed in the side surface of the tube head 5, and a water inlet pipe 14 and a water outlet pipe 15 are fixedly connected in the two circular grooves respectively.

Specifically, one side of the scraping strip 16 is lapped on one side of the inner wall of the pipe head 5, and one side of the scraping plate 17 is lapped on one side of the inner wall of the pipe body 1. When rotating body 1, scrape strip 16 and scraper blade 17 and can strike off remaining scale deposit spot on body 1 inner wall and tube head 5 inner wall respectively, can regularly wash like this, guarantee the normal of inside velocity of flow, increased the abluent convenience of body 1 and tube head 5 inner wall.

Specifically, annular 2 has all been seted up to the left and right sides of body 1, and two relative one ends of tube head 5 are pegged graft in annular 2, have cup jointed axle sleeve 4 on the tube head 5, and one side fixed connection of the outer wall of

axle sleeve

4 and 2 inner walls of annular, the sealing washer 3 that has cup jointed of 2 inner walls of annular, and one side fixed connection of sealing washer 3 is in the circumference mouth side of tube head 5. This ensures that the tube body 1 can be rotated between the two tube heads 5, which increases the effect of ensuring the removal of dirt.

In order to increase the stability of the pipe fitting, the outside of the pipe head 5 is fixedly connected with a U-shaped rod, and the two ends of the U-shaped rod are respectively fixedly connected with the outer surfaces of the two pipe heads 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The melamine crystallizer built-in heat exchange pipe fitting comprises a pipe body (1) and is characterized in that pipe heads (5) are movably connected to the left side and the right side of the pipe body (1), fixed pipes (6) are inserted into the circumferential side walls of the two pipe heads (5), one opposite sides of the two fixed pipes (6) are fixedly connected through cooling pipes (7), an annular groove (8) is formed in the side surface of each cooling pipe (7), a rubber sleeve (9) is sleeved on each annular groove (8), an interface groove (10) is formed in the side surface of each annular groove (8), an air inlet pipe (11) is sleeved in each cooling pipe (7), one end of each air inlet pipe (11) is inserted into each interface groove (10) and extends to the inner cavity of each rubber sleeve (9), an external air pipe (12) is fixedly connected to the other end of each air inlet pipe (11), one end of each external air pipe (12) penetrates through the bottom of the inner wall of the fixed pipe (6) on, the left side the top fixedly connected with pressure boost air pump (13) of fixed pipe (6), the gas outlet of pressure boost air pump (13) with the one end intercommunication of external trachea (12), the equal fixedly connected with in the left and right sides of body (1) inner wall scrapes strip (16), two fixed pipe (6) inner wall passes through scraper blade (17) fixed connection.

2. The melamine crystallizer internal heat exchange pipe fitting as claimed in claim 1, characterized in that: circular grooves are formed in the side surface of the tube head (5), and a water inlet pipe (14) and a water outlet pipe (15) are fixedly connected in the circular grooves respectively.

3. The melamine crystallizer internal heat exchange pipe fitting as claimed in claim 1, characterized in that: one side overlap joint of scraping strip (16) is in the one side of tube head (5) inner wall, one side overlap joint of scraper blade (17) is in one side of body (1) inner wall.

4. The melamine crystallizer internal heat exchange pipe fitting as claimed in claim 1, characterized in that: annular (2) have all been seted up to the left and right sides of body (1), two the relative one end of tube head (5) is pegged graft in annular (2), axle sleeve (4) have been cup jointed on tube head (5), the outer wall of axle sleeve (4) with one side fixed connection of annular (2) inner wall, sealing washer (3) have been cup jointed of annular (2) inner wall, one side fixed connection of sealing washer (3) is in the circumference mouth side of tube head (5).

5. The melamine crystallizer internal heat exchange pipe fitting as claimed in claim 1, characterized in that: the outside fixedly connected with U-shaped pole of tube head (5), the both ends of U-shaped pole respectively with two the external fixed surface of tube head (5) is connected.