Forced circulation evaporator capable of preventing internal blockage

Abstract

The utility model relates to the technical field of evaporators, in particular to a forced circulation evaporator capable of preventing internal blockage, which comprises an evaporator main body, a feed port and a filter valve, the feed port is fixedly formed in the top end of the evaporator main body, and the filter valve is fixedly mounted at the feed port; the filter valve comprises a feeding pipe, and the blow-down valve is fixedly arranged at the bottom of the feeding pipe; the flow dividing pipes are fixedly arranged on the outer walls of the two sides of the feeding pipe, and the flow dividing pipes and the feeding pipe are arranged in an inclined mode; by improving the forced circulation evaporator capable of preventing internal blockage, the forced circulation evaporator has the advantages that the structural design is reasonable, the filtering effect is good, impurities in materials are removed, the impurities are prevented from entering a heat exchange pipe to cause blockage, the heat exchange pipe is prevented from being blocked, the heat exchange pipe is prevented from being blocked, the heat exchange pipe is prevented from being blocked, and the service life of the heat exchange pipe is prolonged. And when impurities are accumulated, a good filtering effect can still be kept, and the cleaning period is prolonged, so that the problems and defects in the prior art and equipment are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to evaporator technical field more specifically, especially relates to a forced circulation evaporator of preventing internal blockage. BACKGROUND

[0002] The forced evaporator is a kind of equipment for accelerating liquid evaporation process, is widely used in chemical industry, pharmacy, food processing, wastewater treatment and multiple industries, it passes through the external energy (such as heat energy, mechanical energy) or changes environmental condition (such as reducing pressure), promotes liquid to convert into gaseous state more quickly.

[0003] The forced evaporator is full of heat exchange pipe in the inside, and the aperture of heat exchange pipe is relatively thin, and the material into the evaporator is extremely easy to block heat exchange pipe if adulterating impurity, and heat exchange pipe will greatly influence evaporation efficiency after being blocked.

[0004] Therefore, the forced circulation evaporator of preventing internal blockage is provided to solve the above problems and improve practical value. UTILITY MODEL CONTENTS

[0005] The utility model discloses a forced circulation evaporator of preventing internal blockage to solve the problems and deficiencies in the background art.

[0006] To achieve the above object, the utility model provides a forced circulation evaporator of preventing internal blockage by the following specific technical means:

[0007] A forced circulation evaporator of preventing internal blockage, including: evaporator main part, feed inlet, filter valve, feed pipe, blowdown valve, shunt pipe, side branch pipe, upper filter screen, valve cover, valve rod, valve core, hand wheel, manifold, lower filter screen, plug, discharge pipe, the feed inlet is fixedly arranged at the top of evaporator main part, and the filter valve is fixedly installed at feed inlet, the filter valve includes feed pipe, and blowdown valve is fixedly arranged at the bottom of feed pipe, the shunt pipe is fixedly arranged on the outer wall of both sides of feed pipe, and the shunt pipe is inclinedly arranged with the feed pipe, the side branch pipe is fixedly arranged at one end away from feed pipe of shunt pipe, and the inside of side branch pipe is provided with upper filter screen, the valve cover is fixedly arranged at the top of side branch pipe, and valve rod is installed on valve cover by screw thread cooperation, the valve core is fixedly installed at one end of valve rod, and the valve core is located in the inside of side branch pipe, and the valve core is used for sealing side branch pipe, the hand wheel is fixedly installed at the other end of valve rod, the manifold is fixedly installed at the bottom of side branch pipe, and the manifold is communicated with side branch pipe, the lower filter screen is fixedly installed in the inside of manifold, the plug is fixedly installed at the top of manifold, and the discharge pipe is fixedly installed at the bottom of manifold, and the discharge pipe is fixedly connected with feed inlet.

[0008] As a further optimization of the technical solution, the utility model discloses a forced circulation evaporator preventing internal blockage, the side branch pipe is symmetrically distributed at the both sides of the feed pipe, and the side branch pipe is parallel with the feed pipe.

[0009] As a further optimization of the technical solution, the utility model discloses a forced circulation evaporator preventing internal blockage, the upper filter screen is located at the connecting place of the shunt pipe and the side branch pipe, and the valve core is located above the upper filter screen.

[0010] As a further optimization of the technical solution, the utility model discloses a forced circulation evaporator preventing internal blockage, the upper filter screen is the mesh structure of the semicircular cross section.

[0011] As a further optimization of the technical solution, the utility model discloses a forced circulation evaporator preventing internal blockage, the lower filter screen is located at the connecting place of the side branch pipe and the collecting pipe, and the lower filter screen is the cylinder with the bottom being closed, and the outer wall of the lower filter screen is in close contact with the inner wall of the collecting pipe.

[0012] Due to the use of the above technical scheme, the utility model has the following advantages compared with the prior art:

[0013] 1、 the utility model discloses that the side branch pipe is set up at the both sides of the feed pipe, and the both sides are communicated through the shunt pipe, and the collecting pipe is set up to make the side branch pipe and the discharge pipe communicate, the inner part of the side branch pipe and the collecting pipe is set up with the upper filter screen and the lower filter screen respectively, the material enters the filter valve through the feed pipe, and in turn flows through the shunt pipe, the side branch pipe and the collecting pipe, and from the discharge pipe, the inlet of the evaporator main body is flowed, in this process, the flowing material will in turn pass through the filtration of the upper filter screen and the lower filter screen, and the impurity in the material is removed, prevents the impurity from entering the heat exchange pipe and causes the blockage, and two filter screens make the filtration more thorough.

[0014] 2、 the utility model discloses that the top of the side branch pipe is provided with the valve cover, and the valve rod is installed on the valve cover through the thread cooperation, the valve core is fixedly installed at one end of the valve rod, and the valve core is located in the interior of the side branch pipe, and the valve core is used for the setting of the sealing of the side branch pipe, the valve core can close the side branch pipe of corresponding one side, can select the appropriate opening mode according to the flow size, thereby being applicable to different types of material, improving the filtration effect, and facilitating the overall cleaning operation.

[0015] 3、 the utility model discloses that the upper filter screen is the mesh structure of the semicircular cross section, and the overall area is big, does not affect the flow of the whole, and still can maintain good filtration effect when the impurity is accumulated, prolongs the cleaning period.

[0016] 4, The utility model discloses an improved forced circulation evaporator that prevents internal blockage, has a reasonable structure design, good filtering effect, removes impurities in the material, prevents impurities from entering the heat exchange pipe and causing blockage, can maintain good filtering effect when impurities accumulate, prolongs the cleaning cycle, effectively solves the problems and deficiencies in the prior art and equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated herein in their entirety. The application illustratively described in the drawings is also meant to provide a non-limiting example of the application. In the drawings:

[0018] Fig. 1 is a structural schematic diagram of the utility model;

[0019] Fig. 2 is a structural schematic diagram of the filter valve of the utility model;

[0020] Fig. 3 is a sectional structure schematic diagram of the filter valve of the utility model.

[0021] In the drawing: evaporator main body 1, feed inlet 2, filter valve 3, feed pipe 3.1, blowdown valve 3.2, shunt pipe 3.3, side branch pipe 3.4, upper filter screen 3.5, valve cover 3.6, valve stem 3.7, valve core 3.8, hand wheel 3.9, manifold pipe 3.10, lower filter screen 3.11, plug 3.12, discharge pipe 3.13. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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.

[0023] Please refer to Figs. 1 to 3 The utility model provides a kind of specific technical implementation scheme of forced circulation evaporator that prevents internal blockage:

[0024] The utility model provides a kind of forced circulation evaporator to prevent internal blockage, including: evaporator body 1, feed inlet 2, filter valve 3, feed pipe 3.1, blowdown valve 3.2, shunt pipe 3.3, side branch pipe 3.4, upper filter screen 3.5, valve cover 3.6, valve stem 3.7, valve core 3.8, hand wheel 3.9, manifold 3.10, lower filter screen 3.11, plug 3.12, discharge pipe 3.13;Feed inlet 2 is fixedly arranged at the top of evaporator body 1, and filter valve 3 is fixedly installed at feed inlet 2;Filter valve 3 includes feed pipe 3.1, and blowdown valve 3.2 is fixedly arranged at the bottom of feed pipe 3.1;Shunt pipe 3.3 is fixedly arranged on the outer wall of the two sides of feed pipe 3.1, and shunt pipe 3.3 is inclinedly arranged with feed pipe 3.1;Side branch pipe 3.4 is fixedly arranged at the end of shunt pipe 3.3 away from feed pipe 3.1, and side branch pipe 3.4 is symmetrically distributed on the two sides of feed pipe 3.1, and side branch pipe 3.4 is parallelly arranged with feed pipe 3.1, and the inside of side branch pipe 3.4 is provided with upper filter screen 3.5, and upper filter screen 3.5 is located at the junction of shunt pipe 3.3 and side branch pipe 3.4, and upper filter screen 3.5 is the mesh structure with semicircular cross section, the overall area is large, does not affect the overall flow, and still can maintain good filtering effect when impurities accumulate, prolongs cleaning cycle.

[0025] Valve core 3.8 is located above upper filter screen 3.5;Valve cover 3.6 is fixedly arranged at the top of side branch pipe 3.4, and valve stem 3.7 is installed on valve cover 3.6 by thread cooperation;Valve core 3.8 is fixedly installed at one end of valve stem 3.7, and valve core 3.8 is located in the inside of side branch pipe 3.4, and the corresponding side branch pipe 3.4 can be closed by valve core 3.8, and the appropriate opening mode can be selected according to the flow size, so as to be suitable for different types of materials, improve the filtering effect, and facilitate the overall cleaning operation.

[0026] Hand wheel 3.9 is fixedly installed at the other end of valve stem 3.7;Manifold 3.10 is fixedly installed at the bottom of side branch pipe 3.4, and manifold 3.10 is communicated with side branch pipe 3.4;Lower filter screen 3.11 is fixedly installed in the inside of manifold 3.10, and lower filter screen 3.11 is located at the junction of side branch pipe 3.4 and manifold 3.10, and lower filter screen 3.11 is the cylinder with closed bottom, and the outer wall of lower filter screen 3.11 is in close contact with the inner wall of manifold 3.10, material enters filter valve 3 through feed pipe 3.1, successively flows through shunt pipe 3.3, side branch pipe 3.4 and manifold 3.10, and flows into the feed inlet 2 of evaporator body 1 from discharge pipe 3.13, in the process, the flowing material will successively pass through the filtration of upper filter screen 3.5 and lower filter screen 3.11, remove the impurities in the material, prevent the impurities from entering the heat exchange pipe and cause blockage, and the two filter screens make the filtration more thorough.

[0027] The plug 3.12 is fixedly installed at the top end of the collecting pipe 3.10, the end of the collecting pipe 3.10 is closed through the plug 3.12, the inside filter screen can be cleaned by removing the plug 3.12, and the discharge pipe 3.13 is fixedly installed at the bottom of the collecting pipe 3.10, and the discharge pipe 3.13 is fixedly connected with the feeding port 2.

[0028] In summary: the forced circulation evaporator for preventing internal blockage, the side branch pipes are arranged on both sides of the feeding pipe, the two side branch pipes are communicated through the branch pipes, the collecting pipe is arranged to communicate the side branch pipes and the discharge pipe, the inside of the side branch pipes and the collecting pipe is respectively provided with the upper filter screen and the lower filter screen, the material enters the filter valve through the feeding pipe, sequentially flows through the branch pipes, the side branch pipes and the collecting pipe, and flows into the feeding port of the evaporator body from the discharge pipe, in the process, the flowing material sequentially passes through the filtering of the upper filter screen and the lower filter screen, removes the impurities in the material, prevents the impurities from entering the heat exchange pipe to cause blockage, and the two filter screens make the filtering more complete; the valve cover is arranged at the top of the side branch pipe, the valve rod is installed on the valve cover in threaded cooperation, the valve core is fixedly installed at one end of the valve rod, the valve core is located in the inside of the side branch pipe, and the valve core is used for sealing the side branch pipe, the corresponding side branch pipe can be closed through the valve core, the appropriate opening mode can be selected according to the flow size, so as to be suitable for different types of materials, improve the filtering effect, and facilitate the overall cleaning operation; the upper filter screen is arranged in the mesh structure with a semicircular cross section, the overall area is large, does not affect the overall flow, and still maintains good filtering effect when the impurities accumulate, prolongs the cleaning period; through the improvement of the forced circulation evaporator for preventing internal blockage, the structure design is reasonable, the filtering effect is good, the impurities in the material are removed, the impurities are prevented from entering the heat exchange pipe to cause blockage, and good filtering effect is still maintained when the impurities accumulate, the cleaning period is prolonged, so that the problems and deficiencies in the prior art and equipment are effectively solved.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A forced circulation evaporator to prevent internal blockage, comprising: Evaporator body (1), inlet (2), filter valve (3), feed pipe (3.1), drain valve (3.2), branch pipe (3.3), side branch pipe (3.4), upper filter screen (3.5), valve cover (3.6), valve stem (3.7), valve core (3.8), handwheel (3.9), manifold (3.10), lower filter screen (3.11), plug (3.12), discharge pipe (3.13); characterized in that: the feed inlet (2) is fixedly installed in the evaporator body (1) The filter valve (3) is fixedly installed at the feed inlet (2); the filter valve (3) includes a feed pipe (3.1) and a drain valve (3.2) is fixedly installed at the bottom of the feed pipe (3.1); the diverter pipe (3.3) is fixedly installed on the outer walls of both sides of the feed pipe (3.1) and the diverter pipe (3.3) is inclined to the feed pipe (3.1); the side branch pipe (3.4) is fixedly installed at the end of the diverter pipe (3.3) away from the feed pipe (3.1). The side branch pipe (3.4) is equipped with an upper filter screen (3.5); the valve cover (3.6) is fixedly installed at the top of the side branch pipe (3.4), and the valve stem (3.7) is installed on the valve cover (3.6) by threaded connection; the valve core (3.8) is fixedly installed at one end of the valve stem (3.7), and the valve core (3.8) is located inside the side branch pipe (3.4), and the valve core (3.8) is used to seal the side branch pipe (3.4); the handwheel (3.9) is fixedly installed on the valve stem (3.7). 7) The other end; the manifold (3.10) is fixedly installed at the bottom of the side branch pipe (3.4), and the manifold (3.10) is connected to the side branch pipe (3.4); the lower filter screen (3.11) is fixedly installed inside the manifold (3.10); the plug (3.12) is fixedly installed at the top of the manifold (3.10), and the discharge pipe (3.13) is fixedly installed at the bottom of the manifold (3.10), and the discharge pipe (3.13) is fixedly connected to the feed inlet (2).

2. The forced circulation evaporator for preventing internal blockage according to claim 1, characterized in that: The side branch pipes (3.4) are symmetrically distributed on both sides of the feed pipe (3.1), and the side branch pipes (3.4) are arranged parallel to the feed pipe (3.1).

3. A forced circulation evaporator for preventing internal blockage according to claim 1, characterized in that: The upper filter screen (3.5) is located at the connection between the branch pipe (3.3) and the side branch pipe (3.4), and the valve core (3.8) is located above the upper filter screen (3.5).

4. A forced circulation evaporator for preventing internal blockage according to claim 1, characterized in that: The upper filter screen (3.5) has a semi-circular cross-section mesh structure.

5. A forced circulation evaporator for preventing internal blockage according to claim 1, characterized in that: The lower filter (3.11) is located at the connection between the side branch pipe (3.4) and the manifold (3.10), and the lower filter (3.11) is a cylindrical shape with a closed bottom, and the outer wall of the lower filter (3.11) abuts against the inner wall of the manifold (3.10).

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