CN214636280U

CN214636280U - Prevent blockking up system suitable for curing agent production usefulness

Info

Publication number: CN214636280U
Application number: CN202120724153.6U
Authority: CN
Inventors: 谢磊; 李寒; 连仲宾
Original assignee: Kaifeng Wujing Industrial Co ltd
Current assignee: Kaifeng Wujing Industrial Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-09
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses an anti-blocking system suitable for curing agent production, which comprises a plurality of reaction tanks, wherein the reaction tanks are provided with connecting ports, and the anti-blocking system is communicated with the connecting ports of the reaction tanks; the anti-blocking system comprises a vent pipeline communicated with the reaction tank, one end of the vent pipeline is communicated with a vent tank, and the vent tank is communicated with the tail gas treatment system through a tail gas confluence pipeline. The stirring device of the utility model has reasonable and novel design, the anti-blocking system can empty hot steam in the reaction tank in the production process of the epoxy resin curing agent, the hot steam can be cooled in the transmission process through the anti-blocking system, and volatile substances are liquefied and circulated in the emptying tank and enter the reaction tank, thereby effectively preventing the curing agent particles from blocking the tail gas confluence pipeline because of the reduction of the ambient temperature; the recovery of curing agent raw materials in the hot steam can be improved, and the load of a tail gas treatment system is reduced.

Description

Prevent blockking up system suitable for curing agent production usefulness

Technical Field

The utility model relates to an industrial curing agent production technical field, concretely relates to prevent blockking up system suitable for curing agent production usefulness.

Background

As one of the important branches in the chemical field, the paint industry, environmental protection, energy conservation and health, is the inevitable development direction of paint products. From the current development situation, the water-based paint with energy conservation, environmental protection and low pollution replaces solvent-based paint; in addition, high solid powder coating, solvent-free coating and radiation curing coating also belong to environment-friendly coatings.

Among them, in the production of high solid powder coating or powder coating having environmental protection properties, it is required to use, for example, an epoxy resin curing agent as an important production raw material of the powder coating. In the production process of the epoxy resin curing agent, a mixing tank is needed to be arranged in a mixing room to melt the curing agent raw materials, then the liquid raw materials are pumped into a reaction kettle or a reaction tank, auxiliary materials such as a coupling agent, an accelerant and the like are added into the reaction tank, and the epoxy resin curing agent is generated under the conditions of heating and stirring. In the reaction tank, in the production process of the epoxy resin curing agent, the liquid medium is heated to 60-80 ℃ by introducing hot air, the liquid medium can be greatly evaporated, and the pressure in the reaction kettle or the reaction tank is increased by the pressure of the hot air in the reaction kettle or the reaction tank, so that an emptying pipeline needs to be arranged in the reaction kettle or the reaction tank in a matched manner, and the hot steam in the reaction kettle behind the reaction tank is discharged. Being limited by environmental protection pressure, to retort hot steam tail gas treatment in-process, the curing agent raw materials can get into tail gas treatment system through the unloading pipeline adding with the heating process, and this not only can lead to the frequent jam of unloading pipeline, also greatly increased tail gas treatment system's load.

Therefore, it is desirable to provide an anti-clogging system suitable for use in curing agent production to overcome the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the embodiment of the utility model provides a prevent blockking up system suitable for curing agent production usefulness, the utility model discloses a realize through following technical scheme to the purpose:

an anti-blocking system suitable for production of a curing agent comprises a plurality of reaction tanks, wherein the reaction tanks are provided with connecting ports, and the anti-blocking system is communicated with the connecting ports of the reaction tanks;

the anti-blocking system comprises a vent pipeline communicated with the reaction tank, one end of the vent pipeline is communicated with a vent tank, and the vent tank is communicated with the tail gas treatment system through a tail gas confluence pipeline.

Furthermore, the emptying tank comprises a cover body matched with the tank body;

an emptying cavity is arranged in the emptying tank, and the lower end of the emptying tank is communicated with the emptying cavity and is provided with a liquid discharge end pipe;

the lid upper end is provided with the exhaust pipe intercommunication and stretch into the intake pipe in the unloading jar, with the blast pipe of tail gas conflux pipeline intercommunication.

Furthermore, a first cooling pipe is arranged on one side of the upper part of the emptying tank, and a second cooling pipe is arranged on one side of the lower part of the emptying tank;

and a cooling structure communicated with the first cooling pipe and the second cooling pipe is arranged in the wall of the emptying tank.

Further, the cooling structure is a cooling interlayer arranged in the emptying tank body.

Further, the cooling structure is a cooling spiral pipe arranged in the wall of the emptying tank body, the upper end of the cooling spiral pipe is communicated with the first cooling pipe, and the lower end of the cooling spiral pipe is communicated with the second cooling pipe.

Furthermore, a plurality of support rings arranged along the height direction on the inner wall of the emptying tank and a plurality of filter sheets correspondingly supported on the support rings are arranged, and the filter meshes of the filter sheets arranged from bottom to top are gradually increased;

the filter disc is provided with a mounting hole corresponding to the air inlet pipe, and the air inlet pipe penetrates through the filter disc from top to bottom to the bottom of the emptying tank.

Furthermore, the emptying pipeline comprises a main pipe connected in series, a plurality of connecting branch pipes corresponding to the connecting ports are arranged at the lower end of the main pipe connected in series, and switch valves are connected to the connecting branch pipes.

Furthermore, the main pipe in series connection is inclined downwards at an included angle of 2-5 degrees with the horizontal direction.

Compared with the prior art the embodiment of the utility model provides an at least include following beneficial effect:

1. the stirring device of the utility model has reasonable and novel design, the anti-blocking system can empty hot steam in the reaction tank in the production process of the epoxy resin curing agent, the hot steam can be cooled in the transmission process through the anti-blocking system, and volatile substances are liquefied and circulated in the emptying tank and enter the reaction tank, thereby effectively preventing the curing agent particles from blocking the tail gas confluence pipeline because of the reduction of the ambient temperature; in addition, the recovery of the curing agent raw material in the hot steam can be improved, and the load of a subsequent tail gas treatment system is reduced;

2. the emptying pipeline of the utility model can transfer the hot steam in the reaction tank into the emptying tank efficiently, and along with the great reduction of the environmental temperature in the hot steam transmission process, the water vapor and curing agent particles or volatile matters in the hot steam are collected in the emptying tank after being cooled and are recycled in the reaction tank through the liquid discharge end pipe; in addition, the emptying tank can slow down the flow rate of hot steam and deposit in the emptying tank, so that volatile matter condensation or solid particle deposition is realized, and the risk of blocking a tail gas confluence pipeline is further reduced;

3. the cooling structure arranged in the wall of the emptying tank body of the utility model can lead cooling water or cold air to enter from the cooling pipe II and then to be discharged from the cooling pipe II after running along the cooling structure, and can continuously lead the emptying tank to be in a low-temperature state in the process, thereby improving the cooling effect of the emptying tank on hot steam discharged by the reaction tank, improving the recovery effect of curing agent particles or volatile matters in tail gas, and also improving the working efficiency of the anti-blocking system;

4. the utility model discloses a hot steam tail gas gets into blow-down tank bottoms back from the intake pipe, along with steam temperature descends, steam rises and rises the in-process, gradually condense into the drop of water on the filter element of different meshs and drip to blow-down tank bottoms, collect the back and discharge from the drainage end pipe, a plurality of filter elements of this kind of setting form in blow-down tank and filter the filler, not only play the filter effect, form hot steam's cooling carrier moreover, further improved the separation efficiency of steam and curing agent granule or volatile substance in the hot steam.

Drawings

FIG. 1 is a schematic view of an installation structure of a reaction tank and an anti-clogging system according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a reaction tank according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a blow-down tank in embodiment 1 of the present invention;

FIG. 4 is a schematic structural view of a first state of a blow tank according to embodiments 2 and 3 of the present invention;

fig. 5 is a schematic diagram of the structure of the second state of the emptying tank of the embodiments 2 and 3 of the invention.

In the figure:

100. a reaction tank; 110. a connection port;

200. an anti-clogging system; 210. emptying the tank; 211. a tank body; 212. connecting and turning edges; 213. a cover body; 214. an air inlet pipe; 215. an exhaust pipe; 216. a first cooling pipe; 217. a second cooling pipe; 218. a liquid discharge end pipe; 219. a connecting flange; 2110. cooling the interlayer; 2111. a filter disc; 2112. mounting a position hole; 2113. a support ring; 2114. emptying the cavity; 2115. cooling the coil; 220. an emptying pipeline; 221. connecting the main pipes in series; 222. connecting branch pipes; 230. an on-off valve; 240. and (4) a tail gas confluence pipeline.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

Example 1:

referring to fig. 1 to 3, the utility model discloses an anti-clogging system suitable for curing agent production, which comprises a plurality of reaction tanks 100, wherein the reaction tanks 100 are provided with connecting ports 110, and the anti-clogging system 200 is communicated with the connecting ports of the reaction tanks; the anti-blocking system 200 comprises a vent pipe 220 communicated with the reaction tank, one end of the vent pipe 220 is communicated with a vent tank 210, and the vent tank 210 is communicated with a tail gas treatment system through a tail gas confluence pipe 240; the emptying pipeline 220 comprises a main serial pipe 221, and the main serial pipe 221 is inclined downwards at an included angle of 2-5 degrees with the horizontal direction; a plurality of connecting branch pipes 222 corresponding to the connecting ports 110 are arranged at the lower end of the main connecting pipe 221, and the connecting branch pipes are connected with switching valves 230. The anti-blocking system of the utility model can vent hot steam in the reaction tank in the production process of the epoxy resin curing agent, cool the hot steam in the transmission process through the anti-blocking system, liquefy and circulate volatile substances in the venting tank and enter the reaction tank, and effectively prevent curing agent particles from blocking a tail gas confluence pipeline because of the reduction of the environmental temperature; in addition, the recovery of curing agent raw materials in hot steam can be improved, and the load of a subsequent tail gas treatment system is reduced.

In one embodiment, referring to FIG. 3, the evacuation tank 210 includes a cover 213 with which the tank 211 is fitted; the upper edge of the tank body is turned outwards to form a connecting turned edge 212, and the tank body is fixedly connected with the cover body through bolts; an emptying cavity 2114 is arranged in the emptying tank 210, and the lower end of the emptying tank is communicated with the emptying cavity and is provided with a liquid discharge end pipe 218; lid 213 upper end is provided with the unloading pipeline intercommunication and stretch into the intake pipe 214 in the unloading jar, with the blast pipe 215 of tail gas conflux pipeline intercommunication, intake pipe and blast pipe upper end all are provided with flange 219 that is used for the pipe connection. In the embodiment, the hot steam in the reaction tank can be efficiently transferred to the emptying tank through the emptying pipeline, and along with the great reduction of the environmental temperature in the transmission process of the hot steam, the water vapor and curing agent particles or volatile matters in the hot steam are collected in the emptying tank after being cooled and are recycled to the reaction tank through the liquid discharge end pipe; in addition, the unloading jar can slow down the hot steam velocity of flow to deposit in the unloading jar, realize volatile substance condensation or solid particulate matter's deposit, further reduce tail gas confluence pipeline and block up the risk. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

Example 2:

based on the structure of the emptying tank in embodiment 1, referring to fig. 4 and 5, in this embodiment, a first cooling pipe 216 is arranged on one side of the upper part of the emptying tank 210, and a second cooling pipe 217 is arranged on one side of the lower part of the emptying tank 210; and a cooling structure communicated with the first cooling pipe and the second cooling pipe is arranged in the wall of the emptying tank 210. In this embodiment, through the cooling structure that sets up in the unloading jar tank body wall, get into from cooling pipe two and discharge from cooling pipe behind the cooling structure operation with cooling water or cold wind, this in-process sustainable messenger unloading jar is in the low temperature state to improve the cooling effect of unloading jar to retort exhaust hot steam, thereby improve the recovery effect of curing agent granule or volatile substance in the tail gas, also improve this work efficiency who prevents blockking up the system. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

In a specific embodiment, referring to fig. 4, the cooling structure is a cooling interlayer 2110 arranged in the emptying tank body, the upper end of the cooling interlayer is communicated with the first cooling pipe, and the lower end of the cooling interlayer is communicated with the second cooling pipe. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

In a specific embodiment, referring to fig. 4, the cooling structure is a cooling coil 2115 arranged in the wall of the emptying tank body, the upper end of the cooling coil is communicated with a first cooling pipe, and the lower end of the cooling coil is communicated with a second cooling pipe; the cooling solenoid becomes the spiral and distributes along blow-down tank body wall circumference, and this kind of setting can improve the cooling effect of blow-down tank equally, increases hot steam tail gas's cooling recovery effect. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

Example 3:

based on the emptying tank structure of the embodiment 1 and the embodiment 2, referring to fig. 4 and fig. 5, in the embodiment, the filter meshes of the filter sheets arranged from bottom to top are gradually increased along a plurality of support rings 2113 arranged in the height direction and a plurality of filter sheets 2111 correspondingly supported on the support rings on the inner wall of the emptying tank 210; the filter plate 2111 is provided with a mounting position hole 2112 corresponding to the air inlet pipe, and the air inlet pipe 214 penetrates through the filter plate from top to bottom to the bottom of the emptying tank. In this embodiment, hot steam tail gas gets into the unloading jar tank bottoms back from the intake pipe, along with steam temperature descends, steam rises the in-process, progressively condense into the drop of water on the filter disc of different meshs and drip to unloading jar bottoms, collect the back and discharge from the drainage end pipe, a plurality of filter discs that this kind of set up form the filter filler in unloading jar, not only play the filter effect, form hot steam's cooling carrier moreover, further improved the separation efficiency of steam and curing agent granule or volatile substance in the hot steam. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the embodiments in the present specification are all described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the device and system embodiments, since they are basically similar to the method embodiments, the description is simple, and for the relevant points, referring to the partial description of the method embodiments, it is sufficient that the components indicated as units may or may not be physical units, that is, may be located in one place, or may not be divided into a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. Can be understood and implemented by those skilled in the art without inventive effort.

The above description is only one specific implementation method of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An anti-blocking system suitable for production of a curing agent comprises a plurality of reaction tanks (100), wherein the reaction tanks (100) are provided with connecting ports (110), and is characterized by further comprising an anti-blocking system (200) communicated with the connecting ports of the reaction tanks;

the anti-blocking system (200) comprises a vent pipeline (220) communicated with the reaction tank, one end of the vent pipeline (220) is communicated with a vent tank (210), and the vent tank (210) is communicated with a tail gas treatment system through a tail gas confluence pipeline (240).

2. The anti-clogging system for use in the production of curatives of claim 1, characterized in that said blow tank (210) comprises a lid (213) with which the tank (211) fits;

a blow-down cavity (2114) is arranged in the blow-down tank (210), and the lower end of the blow-down tank is communicated with the blow-down cavity and is provided with a liquid discharge end pipe (218);

the upper end of the cover body (213) is provided with an air inlet pipe (214) communicated with the emptying pipeline and extending into the emptying tank and an exhaust pipe (215) communicated with the tail gas confluence pipeline.

3. The anti-clogging system for curing agent production according to claim 2, wherein a first cooling pipe (216) is arranged on one side of the upper part of the emptying tank (210), and a second cooling pipe (217) is arranged on one side of the lower part of the emptying tank (210);

and a cooling structure communicated with the first cooling pipe and the second cooling pipe is arranged in the wall of the emptying tank (210).

4. The anti-clogging system for use in the production of curing agents of claim 3, wherein said cooling structure is a cooling jacket (2110) disposed within the canister body of the blow-down tank.

5. The anti-clogging system for curing agent production according to claim 3, wherein the cooling structure is a cooling coil (2115) arranged in the wall of the blow-down tank body, the upper end of the cooling coil is communicated with the first cooling pipe, and the lower end of the cooling coil is communicated with the second cooling pipe.

6. The anti-clogging system for the curing agent production according to any one of claims 2 to 5, wherein the inner wall of the emptying tank (210) is provided with a plurality of support rings (2113) along the height direction and a plurality of filter sheets (2111) correspondingly supported by the support rings, and the filter meshes of the filter sheets arranged from bottom to top are gradually increased;

the filter disc (2111) is provided with a mounting position hole (2112) corresponding to the air inlet pipe, and the air inlet pipe (214) penetrates through the filter disc from top to bottom to the bottom of the emptying tank.

7. The anti-clogging system for curing agent production according to any one of claims 1 to 5, wherein the emptying pipe (220) comprises a main connecting pipe (221), a plurality of branch connecting pipes (222) corresponding to the connecting ports (110) are arranged at the lower end of the main connecting pipe (221), and the branch connecting pipes are connected with switch valves (230).

8. The anti-clogging system for curing agent production according to claim 7, wherein the main pipe (221) in series is inclined downward at an angle of 2-5 ° with the horizontal direction.