CN111408153A

CN111408153A - Blockage removing device for evaporator equipment pipeline

Info

Publication number: CN111408153A
Application number: CN202010412454.5A
Authority: CN
Inventors: 胡喜磊
Original assignee: Hubei Shengchi Evaporator Equipment Co ltd
Current assignee: Hubei Shengchi Evaporator Equipment Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-07-14

Abstract

The invention discloses a blockage removing device for an evaporator equipment pipeline, which comprises a separator and a heater, wherein the heater is arranged on one side of the separator, one end of a first return pipe, which is far away from the separator, is connected with a circulating return pump in series and is connected with the lower end of the heater, the lower end of the separator is connected with a circulating pipeline device, the circulating pipeline device comprises a third return pipe, and the third return pipe is connected with a crystallization leg at the lower end of the separator; the invention can effectively avoid the problem of blockage of a return pipeline, a circulation pipeline system is additionally arranged at the lower end of a separator crystallization leg, and a liquid flow vortex phenomenon can be generated under a continuous circulation state, so that a material medium in the separator crystallization leg continuously rotates and flows, the blockage phenomenon when crystallization salt is separated out at the bottom of the separator is effectively avoided, when a densimeter reaches a set concentration, an electric discharge valve is controlled to be opened for discharging, and when the concentration is not reached, the valve is closed, the system is in a continuous circulation state, and the circulation performance is good.

Description

Blockage removing device for evaporator equipment pipeline

Technical Field

The invention relates to the technical field of evaporators, in particular to a blockage removing device for an evaporator equipment pipeline.

Background

The evaporation system usually comprises a loop consisting of a heater and a separator, materials enter the separator for gas-liquid separation after heat exchange of the heater, the heater and the separator are connected through a pipeline, a circulating pump is used for providing power for forced circulation, and as a return pipeline from the separator to the heater usually needs to descend to the circulating pump and then ascend, an elbow form is required on the pipeline.

In the circulating pipeline structure between the existing evaporator and the current divider, a 90-degree elbow is arranged between a descending section connected with the output end of the current divider and a advection section connected with the input end of the circulating pump in a backflow mode so as to be convenient to manufacture and install, but because the resistance action on fluid in the 90-degree elbow is large, when the concentration of the concentrated solution is too high and even reaches a supersaturation state, fibers, protein, tar, organic matters or salts in the concentrated solution can generate scaling at the elbow, and finally, the pipeline is blocked, so that the equipment cannot run. The reaction is necessarily interrupted for clearing the blockage, and for a system which needs a large amount of steam for supplying heat, such as evaporative crystallization, the interruption and the restart not only mean the waste of a large amount of heat energy, but also inevitably affect the operation of the whole system when the evaporative crystallization equipment is in one treatment loop section in a continuous reaction device.

Disclosure of Invention

The present invention is directed to a block-removing device for evaporator piping, which solves the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a blockage removing device for an evaporator equipment pipeline comprises a separator and a heater, wherein the heater is arranged on one side of the separator, a first backflow pipe is connected to the lower end of one side of the separator in a communicating manner, one end, far away from the separator, of the first backflow pipe is connected with a circulating backflow pump in series and connected to the lower end of the heater, one side of the separator is located above the first backflow pipe in a communicating manner and connected with a second backflow pipe, one end, far away from the separator, of the second backflow pipe is connected to the upper end of the heater, the lower end of the separator is connected with a circulating pipeline device, the circulating pipeline device comprises a third backflow pipe, the third backflow pipe is connected to a crystallization leg at the lower end of the separator, one end, far away from the separator, of the third backflow pipe is connected to the inlet end of the circulating discharge pump, the outlet end of the circulating discharge pump is connected with a fourth backflow pipe which, the control rear end that lies in the densimeter on the fourth back flow is connected in series has first electronic bleeder valve, it violently manages to lie in the ejection of compact between densimeter and the first electronic bleeder valve on the fourth back flow, the ejection of compact is violently managed and is connected in series has the electronic bleeder valve of second, the ejection of compact is violently managed and is lain in the electronic bleeder valve of second and fourth back flow between and connect in parallel has the fifth back flow, the crystallization leg department at the separator lower extreme is connected to the electronic bleeder valve of one end series connection third of fifth back flow.

Preferably, the first reflux pipe comprises a descending section connected to the output end of the separator and an advection section connected to the input end of the circulating reflux pump, a transition section is further connected between the advection section and the descending section, and included angles between the transition section and the advection section and included angles between the transition section and the descending section are both 90 degrees.

Preferably, an upper guide pipe is connected to the inner cylinder of the separator, the upper guide pipe extends to the outside of the separator, one end, far away from the heater, of the second return pipe is connected with a fish scale knot, and the fish scale knot is connected with the upper guide pipe in a threaded fit mode.

Preferably, a lower guide pipe is connected to the outer cylinder of the separator, one end of the first return pipe, which is far away from the circulating reflux pump, is connected with the lower guide pipe through a metal screw thread, and a sealing gasket is arranged in the metal screw thread.

Preferably, the transverse discharge pipe is perpendicular to the fourth return pipe, and the fifth return pipe is perpendicular to the transverse discharge pipe.

Preferably, the second return pipe, the third return pipe, the fourth return pipe and the fifth return pipe are all arranged to be 'L' shaped pipes, the transverse pipe and the vertical pipe of the 'L' shaped pipe are all integrally welded, and the welding positions are all bent by 90 degrees.

Compared with the prior art, the invention has the beneficial effects that: in order to effectively avoid the problem of blockage of a return pipeline, a circulation pipeline device is additionally arranged at a crystallization leg at the lower end of a separator, a liquid flow vortex phenomenon can be generated under a continuous circulation state, so that a material medium in the crystallization leg of the separator continuously rotates and flows, the blockage phenomenon when crystallization salt is separated out at the bottom of the separator is effectively avoided, when a density meter reaches a set concentration, an electric discharging valve is controlled to be opened to discharge, and when the density is not reached, the valve is closed, and the system is in a continuous circulation state, so that the circulation performance is good, the practicability is high, and the popularization is facilitated.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a circulation line apparatus according to the present invention.

In the figure: the device comprises a separator 1, an upper guide pipe 101, a lower guide pipe 102, a heater 2, a first return pipe 3, a metal screw thread 301, a circulating return pump 4, a second return pipe 5, a fish scale section 501, a third return pipe 6, a circulating discharge pump 7, a fourth return pipe 8, a densimeter 9, a transverse discharge pipe 10, a fifth return pipe 11, a first electric discharge valve 12, a second electric discharge valve 13 and a third electric discharge valve 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a blockage removing device for an evaporator equipment pipeline comprises a separator 1 and a heater 2, wherein the heater 2 is arranged on one side of the separator 1, the lower end of one side of the separator 1 is connected with a first return pipe 3 in a communicating manner, one end, far away from the separator 1, of the first return pipe 3 is connected with a circulating return pump 4 in series and connected with the lower end of the heater 2, the first return pipe 3 comprises a descending section connected with the output end of the separator 1 and an advection section connected with the input end of the circulating return pump 4, a transition section is connected between the advection section and the descending section, included angles between the transition section and the advection section and between the descending section are both 90 degrees, one side of the separator 1 is positioned above the first return pipe 3 and is connected with a second return pipe 5 in a communicating manner, one end, far away from the separator 1, of the second return pipe 5 is connected with the upper end of the heater 2, an inner cylinder of the separator 1 is connected, one end of the second return pipe 5, which is far away from the heater 2, is connected with a scale knot 501, the scale knot 501 is in threaded fit connection with the upper guide pipe 101, the outer cylinder of the separator 1 is connected with the lower guide pipe 102, one end of the first return pipe 3, which is far away from the circulating return pump 4, is connected with the lower guide pipe 102 through a metal screw thread 301, and a sealing gasket is arranged in the metal screw thread 301, so that good sealing connection can be performed, and the installation and the disassembly are convenient;

the lower end of the separator 1 is connected with a circulation pipeline device, the circulation pipeline device comprises a third return pipe 6, the third return pipe 6 is connected to a crystallization leg at the lower end of the separator 1, one end, far away from the separator 1, of the third return pipe 6 is connected to an inlet end of a circulation discharge pump 7, an outlet end of the circulation discharge pump 7 is connected with a fourth return pipe 8, the fourth return pipe 8 is connected with a densimeter 9 in series and connected to the crystallization leg at the lower end of the separator 1, a first electric discharge valve 12 is connected in series to the fourth return pipe 8 at the control rear end of the densimeter, a transverse discharge pipe 10 is connected in parallel to the fourth return pipe 8 and located between the densimeter 9 and the first electric discharge valve 12 on the fourth return pipe 8, a second electric discharge valve 13 is connected in series to the transverse discharge pipe 10, a fifth return pipe 11 is connected in parallel to the transverse discharge pipe 10 on the transverse discharge pipe 10, one end of the fifth electric discharge valve 14 is connected to the crystallization leg at the lower end of the separator 1 in series, the transverse discharge pipe 10 and the transverse discharge pipe 8 are perpendicular to each other, the transverse discharge pipe 11 and the transverse discharge pipe 10 is connected to the bottom of the crystallization leg, the circulation pipeline device, when the circulation pipeline device is in a continuous open state, the circulation pipeline device is set to prevent the blockage, the blockage of the circulation pipeline blockage, and the circulation pipeline blockage of the circulation pipeline, and the circulation pipeline blockage of the circulation pipeline, and the circulation pipeline can be prevented, when the blockage can be in a circulation pipeline, and the blockage caused.

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. A arrange stifled device for evaporator equipment pipeline, includes separator (1) and heater (2), its characterized in that: the heater (2) is arranged on one side of the separator (1), the lower end of one side of the separator (1) is connected with a first return pipe (3) in a communicating manner, one end, far away from the separator (1), of the first return pipe (3) is connected with a circulating return pump (4) in series and connected with the lower end of the heater (2), one side of the separator (1) is positioned above the first return pipe (3) in a communicating manner and connected with a second return pipe (5), one end, far away from the separator (1), of the second return pipe (5) is connected with the upper end of the heater (2), the lower end of the separator (1) is connected with a circulating pipeline device, the circulating pipeline device comprises a third return pipe (6), the third return pipe (6) is connected with the crystallization leg at the lower end of the separator (1), one end, far away from the separator (1), of the third return pipe (6) is connected with the inlet end of a circulating, the exit end of circulation discharge pump (7) is connected with fourth back flow (8), fourth back flow (8) series connection densimeter (9) and connect in the crystallization leg department of separator (1) lower extreme, the control rear end that lies in the densimeter on fourth back flow (8) is connected in series has first electronic bleeder valve (12), lie in on fourth back flow (8) between densimeter (9) and first electronic bleeder valve (12) and have violently managed (10) in the ejection of compact, the ejection of compact is violently managed and is connected in series on (10) has electronic bleeder valve (13) of second, the ejection of compact is violently managed and is located in the second on (10) and electronic bleeder valve (13) and fourth back flow (8) between and have parallelly connected fifth back flow (11), the one end series connection third electronic bleeder valve (14) of fifth back flow (11) is connected in the crystallization leg department of separator (1) lower extreme.

2. A blockage relieving device for evaporator unit pipelines as claimed in claim 1, wherein: the first reflux pipe (3) comprises a descending section connected to the output end of the separator (1) and an advection section connected to the input end of the circulating reflux pump (4), a transition section is further connected between the advection section and the descending section, and included angles between the transition section and the advection section and between the transition section and the descending section are 90 degrees.

3. A blockage relieving device for evaporator unit pipelines as claimed in claim 1, wherein: an upper guide pipe (101) is connected to an inner cylinder of the separator (1), the upper guide pipe (101) extends to the outside of the separator (1), one end, far away from the heater (2), of the second return pipe (5) is connected with a fish scale knot (501), and the fish scale knot (501) is connected with the upper guide pipe (101) in a threaded fit mode.

4. A blockage relieving device for evaporator unit pipelines as claimed in claim 1, wherein: a lower guide pipe (102) is connected to the outer cylinder of the separator (1), one end, far away from the circulating reflux pump (4), of the first reflux pipe (3) is connected with the lower guide pipe (102) through a metal screw thread (301), and a sealing gasket is arranged in the metal screw thread (301).

5. A blockage relieving device for evaporator unit pipelines as claimed in claim 1, wherein: the transverse discharging pipe (10) is perpendicular to the fourth return pipe (8), and the fifth return pipe (11) is perpendicular to the transverse discharging pipe (10).

6. The blockage removing device for the evaporator equipment pipeline as claimed in claim 1, wherein the second return pipe (5), the third return pipe (6), the fourth return pipe (8) and the fifth return pipe (11) are all arranged into a L-shaped pipe, the horizontal pipe and the vertical pipe of the L-shaped pipe are integrally welded, and the welding positions are bent by 90 degrees.