Steam generating device of pressure vessel type

Abstract

The utility model discloses a steam generating device of a pressure vessel type. The steam generating device is characterized in that a circle of single-end electric heating tubes vertically inserted into a steam generating tank are arranged at the thread screwing position on a lower tank cover; a cleaning frame is slidably mounted in the steam generation tank, the whole cleaning frame is jointly composed of a prism positioning shaft, a U-shaped handle frame welded to the top end of the prism positioning shaft and a circle of brush ring welded to the periphery of the circumference of the prism positioning shaft in a surrounding mode, and a steel wire brush of an annular structure is fixedly mounted in the brush ring; one circle of brush ring is correspondingly matched with one circle of single-end electric heating tube in a sliding and sleeving manner, and the steel wire brush is in frictional contact with the single-end electric heating tube; and the prism positioning shaft is in penetrating sliding fit with the central part of the upper tank cover. The U-shaped handle frame is arranged above the upper tank cover and arranged on the outer side of the steam generation tank, so that a worker can directly drive the cleaning frame on the outer side of the steam generation tank to complete cleaning of scale on the single-end electric heating pipe, and compared with the prior art, operation and use are convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of steam generating devices of pressure vessel, belong to steam generating device technical field. BACKGROUND

[0002] The steam generating device of pressure vessel is a kind of pressure vessel specially designed to generate steam. This kind of device usually contains a closed container, which contains water or other working medium inside, and the water is changed into steam by heating.

[0003] The traditional steam generating device currently has some defects. The thick scale that condenses and adheres on the heating assembly of the device during long-term use can block and block the heat dissipation of the heating assembly, affecting the heating efficiency of the heating assembly, and then regular cleaning is required. However, the heating assembly is usually lacking a structure that can clean the scale on the heating assembly without the need to disassemble and remove the steam generating device or the heating assembly, which requires the steam generating device to be opened for the worker to enter the steam generating device or the heating assembly to be disassembled and removed. The scale on the heating assembly can be cleaned, which is more troublesome and inconvenient to operate and use.

[0004] Therefore, it is necessary to design a new type of steam generating device of pressure vessel, which can clean the scale without the need for workers to open the steam generating device or avoid disassembling and removing the heating assembly, so as to meet the needs of efficiency and convenience in cleaning. UTILITY MODEL CONTENTS

[0005] Therefore, the purpose of the utility model is to provide a steam generating device of pressure vessel that is convenient to clean.

[0006] In order to achieve the above purpose, the steam generating device of pressure vessel of the utility model comprises: a steam generating tank, the upper and lower ends of the steam generating tank are provided with upper and lower tank covers as symmetrical covers fixed by bolts;

[0007] Characterized in that the lower tank cover is provided with a threaded screw penetrating the lower tank cover, and a single-end electric heating tube inserted vertically into the steam generating tank is installed on the threaded screw; the steam generating tank is further provided with a cleaning frame, which is composed of a prismatic positioning shaft, a U-shaped handle frame welded to the top end of the prismatic positioning shaft, and a brush ring welded around the circumferential periphery of the prismatic positioning shaft, wherein the brush ring is fixedly installed with a steel wire brush of annular structure inside; the brush ring and the single-end electric heating tube are connected by sliding sleeve insertion, and the steel wire brush is in frictional contact with the single-end electric heating tube; the prismatic positioning shaft is in sliding fit with the center part of the upper tank cover.

[0008] The center part of the upper tank cover is welded with a threaded sleeve, and a threaded sealing element is screwed on the threaded sleeve; the bottom part of the U-shaped handle frame is slidably installed with two insertion rods by spring pushing, and when the threaded sealing element is separated from the threaded sleeve, the two insertion rods are inserted into the top part of the threaded sealing element.

[0009] The threaded sealing element is composed of a top hexagonal force block and a threaded sleeve ring welded at the bottom of the hexagonal force block, and the threaded sleeve ring is screwed with the threaded sleeve.

[0010] The part above the threaded sleeve of the prismatic positioning shaft is welded with a circular sealing plate, the circular sealing plate abuts against the top end of the threaded sleeve, and the hexagonal force block abuts against the top of the circular sealing plate.

[0011] The outer side of the hexagonal force block is symmetrically provided with two positioning holes, and the first end part of the two insertion rods is inserted into the two positioning holes.

[0012] The prismatic positioning shaft is inserted into the hexagonal force block and the threaded sleeve.

[0013] The top circumferential outer eaves of the upper tank cover are welded with a backwater pipe and an exhaust pipe.

[0014] The center part below the lower tank cover is welded with a water drainage pipe.

[0015] The brush ring, the single-end electric heating pipe and the threaded screw are multiple, and the number is one-to-one correspondence.

[0016] By adopting the above technical scheme, the steam generating device of the pressure container has the following beneficial effects:

[0017] I. The U-shaped handle frame is arranged above the upper tank cover and outside the steam generating tank, so that the worker can directly drive the cleaning frame outside the steam generating tank to clean the scale on the single-end electric heating pipe. Compared with the prior art, the worker does not need to open the steam generating tank, enter the inside of the steam generating tank to approach and contact the single-end electric heating pipe, or disassemble and take out the single-end electric heating pipe from the inside of the steam generating tank to clean the scale on the single-end electric heating pipe. The operation is convenient, and the cleaning efficiency of the scale on the single-end electric heating pipe is improved.

[0018] II. When the threaded sealing element is screwed on the threaded sleeve, the circular sealing plate is pressed against the top opening of the threaded sleeve through the hexagonal force block, indirectly realizing the sealing of the sliding gap between the prismatic positioning shaft and the upper tank cover, avoiding the leakage of the steam generated in the steam generating tank through the sliding gap, and ensuring the overall sealing of the steam generating tank on the basis of normal sliding of the cleaning frame.

[0019] Three, two insertion rods can be inserted into the middle part of the prismatic positioning shaft above the circular sealing plate, avoiding the loosening of the threaded seal, and the threaded seal follows the circular sealing plate and slides in the impact inertia, causing collision injury to the hands holding the V-shaped handle frame and driving the cleaning frame to slide.

[0020] Four, after the two insertion rods are inserted and positioned, the threaded sleeve is kept in a state separated from the threaded sleeve, and when the cleaning frame slides to the bottom of the initial state, the threaded sleeve is still kept in a state separated from the threaded sleeve, which can avoid the threaded seal following the circular sealing plate and sliding in the impact inertia, causing the threads on the inner wall of the threaded sleeve and the threads on the top end of the threaded sleeve to frequently collide and contact each other, causing mutual impact damage and even destruction, helping to maintain the threaded seal and the threaded sleeve, and ensuring the normal and effective use of the threaded seal and the threaded sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The overall structure schematic diagram of the utility model is shown.

[0022] Figure 2 The overall bottom side structure schematic diagram of the utility model is shown.

[0023] Figure 3 The steam generating tank half-section inside structure schematic diagram of the utility model is shown.

[0024] Figure 4 The threaded seal upper slide disassembly state schematic diagram of the utility model is shown.

[0025] Figure 5 The cleaning frame structure schematic diagram of the utility model is shown.

[0026] Figure 6 The threaded seal bottom side structure schematic diagram of the utility model is shown. DETAILED DESCRIPTION

[0027] The utility model will be further described in detail through the drawings and specific embodiments.

[0028] Embodiment one:

[0029] As shown in the drawings, Figures 1-6 The utility model discloses a steam generating device of pressure vessel type, which comprises a steam generating tank 1, and the upper and lower ends of the steam generating tank 1 are provided with upper tank covers 101 and lower tank covers 102 as symmetrical covers fixed through bolts.

[0030] The lower tank cover 102 is provided with a threaded screw 41 penetrating the lower tank cover 102, and the single-end electric heating tube 4 vertically inserted into the inside of the steam generating tank 1 is mounted on the threaded screw 41; the inside of the steam generating tank 1 is further provided with a cleaning frame 3, which is composed of a prismatic positioning shaft 301, a U-shaped handle frame 303 welded at the top end of the prismatic positioning shaft 301, and a brush ring 302 surrounding the outer periphery of the prismatic positioning shaft 301, wherein the brush ring 302 is fixedly installed with a steel wire brush of annular structure inside; the brush ring 302 is in sliding sleeve insertion fit with the single-end electric heating tube 4, and the steel wire brush is in frictional contact with the single-end electric heating tube 4; the prismatic positioning shaft 301 is in sliding fit with the central part of the upper tank cover 101;

[0031] The upper and lower sliding cleaning frame 3 can drive the steel wire brush inside the brush ring 302 to slide relative to the single-end electric heating tube 4, and the scale adhered to the surface of the single-end electric heating tube 4 is brushed and cleaned; the cleaning frame 3 can be manually driven to slide through the U-shaped handle frame 303, which is arranged above the upper tank cover 101 and outside the steam generating tank 1, so that the worker can directly drive the cleaning frame 3 outside the steam generating tank 1 to clean the scale on the single-end electric heating tube 4, which is more convenient than the prior art, and the worker does not need to open the steam generating tank 1, enter the inside of the steam generating tank 1 to approach and contact the single-end electric heating tube 4, or disassemble and take out the single-end electric heating tube 4 from the inside of the steam generating tank 1 to clean the scale on the single-end electric heating tube 4, which helps to improve the cleaning efficiency of the scale on the single-end electric heating tube 4.

[0032] The top end of the central part of the upper tank cover 101 is welded with a threaded sleeve 1013, and the threaded seal 2 is screwed and fitted on the threaded sleeve 1013; the bottom end of the U-shaped handle frame 303 is slidingly installed with two insertion rods 3031 by spring pushing, and the first end of the two insertion rods 3031 is in insertion fit with the top end of the threaded seal 2 when the threaded seal 2 is disassembled from the threaded sleeve 1013 and the cleaning frame 3 is driven to slide.

[0033] The brush ring 302, the single-end electric heating tube 4 and the threaded screw 41 are all multiple, and the number is one-to-one correspondence, that is, one single-end electric heating tube 4 is installed on each one, and one brush ring 302 is matched with each single-end electric heating tube 4.

[0034] Preferably,

[0035] The threaded seal 2 is composed of a top-end six-prong force block and a threaded sleeve ring welded at the bottom of the six-prong force block, wherein the threaded sleeve ring is in screw fit with the threaded sleeve 1013.

[0036] Preferably,

[0037] The part of the prismatic positioning shaft 301 above the threaded sleeve 1013 is welded with a circular sealing plate 3011, which is in abutting contact with the top end of the threaded sleeve 1013, and the six-pronged force block is in abutting contact with the top of the circular sealing plate 3011;

[0038] Through the six-pronged force block, when the threaded sealing piece 2 is tightened on the threaded sleeve 1013, the circular sealing plate 3011 can be pressed and abutted to block the top opening of the threaded sleeve 1013, indirectly realizing the sealing of the sliding gap between the prismatic positioning shaft 301 and the upper tank cover 101, avoiding the leakage of steam generated in the steam generator 1 through the sliding gap, and helping to ensure the overall sealing of the steam generator 1 on the basis of ensuring the normal sliding of the cleaning frame 3; when the cleaning frame 3 is driven to slide, the threaded sealing piece 2 and the threaded sleeve 1013 need to be loosened and separated, and the circular sealing plate 3011 and the prismatic positioning shaft 301 are loosened;

[0039] The six-pronged force block can be used with a wrench to tighten or loosen the threaded sealing piece 2.

[0040] Preferably,

[0041] The outer side of the six-pronged force block is symmetrically provided with two positioning holes 201, and the first ends of the two insertion rods 3031 correspondingly insert and cooperate with the two positioning holes 201.

[0042] The two insertion rods 3031 can insert and position the threaded sealing piece 2 on the middle part of the prismatic positioning shaft 301 above the circular sealing plate 3011 (see Figure 4 ), so as to avoid the threaded sealing piece 2 in the loosened state sliding up and down with the cleaning frame 3 driven by the circular sealing plate 3011, causing collision injury to the hands holding the V-shaped handle frame 303 to drive the cleaning frame 3 to slide; after the two insertion rods 3031 insert and position the threaded sealing piece 2, the threaded sleeve ring is kept in a separated state from the threaded sleeve 1013, and when the cleaning frame 3 slides to the bottommost initial state, the threaded sleeve ring is still kept in a separated state from the threaded sleeve 1013 (see Figure 4 ), which can avoid the threaded sealing piece 2 sliding up and down with the cleaning frame 3 driven by the circular sealing plate 3011, causing the threads on the inner wall of the threaded sleeve ring and the threads on the top end of the threaded sleeve 1013 to frequently collide and contact, causing mutual collision damage or even destruction, helping to keep the threaded sealing piece 2 and the threaded sleeve 1013 in good condition, and ensuring the normal and effective use of the threaded sealing piece 2 and the threaded sleeve 1013.

[0043] Based on the first embodiment, the second embodiment is:

[0044] The prismatic positioning shaft 301 is in penetrating cooperation with the six-pronged force block and the threaded sleeve 1013.

[0045] Preferably,

[0046] The top end of the upper tank cover 101 is welded with a backwater pipe 1011 and an exhaust pipe 1012.

[0047] Preferably,

[0048] The center of the lower tank cover 102 is welded with a water draining pipe 1021;

[0049] The scale accumulated on the single-ended electric heating pipe 4 is cleaned and falls on the bottom of the steam generating tank 1, and the accumulated scale and the water stored in the steam generating tank 1 can be drained through the water draining pipe 1021.

[0050] The working principle of the embodiment is as follows: in use, the exhaust pipe 1012 is connected with the air inlet pipe of the steam consuming equipment, the backwater pipe 1011 is connected with the condenser pipe of the steam consuming equipment, the single-ended electric heating pipe 4 is used to heat the water in the steam generating tank 1, high-temperature and high-pressure steam is generated in the steam generating tank 1, the high-temperature and high-pressure steam enters the steam consuming equipment through the exhaust pipe 1012 and the air inlet pipe of the steam consuming equipment and is used in the steam consuming equipment, after the high-temperature and high-pressure steam is used to do work, the heat and the pressure in the high-temperature and high-pressure steam are consumed and reduced to generate condensation, and the water formed after the condensation flows back into the steam generating tank 1 through the condenser pipe of the steam consuming equipment and the backwater pipe 1011 and is recycled; then, the worker can drive the steel wire brushes in the brush ring 302 to slide relative to the single-ended electric heating pipe 4 by sliding the cleaning frame 3 up and down, and the worker can drive the cleaning frame 3 to clean the scale on the single-ended electric heating pipe 4 by manually sliding the cleaning frame 3 through the U-shaped handle frame 303, the U-shaped handle frame 303 is arranged above the upper tank cover 101 and outside the steam generating tank 1, so that the worker can directly drive the cleaning frame 3 outside the steam generating tank 1 to clean the scale on the single-ended electric heating pipe 4.

[0051] By adopting the technical scheme, the steam generating device of the pressure container type has the following beneficial effects:

[0052] I. The U-shaped handle frame 303 is arranged above the upper tank cover 101 and outside the steam generating tank 1, so that the worker can directly drive the cleaning frame 3 outside the steam generating tank 1 to clean the scale on the single-ended electric heating pipe 4, compared with the prior art, the worker does not need to open the steam generating tank 1, enter the steam generating tank 1, approach and contact the single-ended electric heating pipe 4, or disassemble and take out the single-ended electric heating pipe 4 from the steam generating tank 1 to clean the scale on the single-ended electric heating pipe 4, which is convenient to operate and use and helps to improve the cleaning efficiency of the scale on the single-ended electric heating pipe 4.

[0053] II. By the six-sided force block, the threaded sealing piece 2 can press the circular sealing plate 3011 against the top opening of the threaded sleeve 1013 when screwed on the threaded sleeve 1013, indirectly realizing the sealing of the sliding gap between the prismatic positioning shaft 301 and the upper tank cover 101, avoiding the leakage of steam generated in the steam generator 1 through the sliding gap, and helping to ensure the overall sealing of the steam generator 1 on the basis of ensuring the normal sliding of the cleaning frame 3.

[0054] III. The two insertion rods 3031 can insert and position the threaded sealing piece 2 on the middle part of the prismatic positioning shaft 301 above the circular sealing plate 3011, avoiding the threaded sealing piece 2 in a loosened state sliding up and down with the cleaning frame 3 under the driving of the circular sealing plate 3011, causing collision damage to the hands holding the V-shaped handle frame 303 to drive the cleaning frame 3 to slide.

[0055] IV. After the two insertion rods 3031 insert and position the threaded sealing piece 2, the threaded sleeve 1013 ring is kept in a state separated from the threaded sleeve 1013, and when the cleaning frame 3 slides down to the initial state at the bottom, the threaded sleeve 1013 ring is still kept in a state separated from the threaded sleeve 1013, which can avoid the threaded sealing piece 2 sliding up and down with the cleaning frame 3 under the driving of the circular sealing plate 3011, causing the threads on the inner wall of the threaded sleeve 1013 ring to frequently collide with the threads on the top part of the threaded sleeve 1013, causing mutual collision damage or even destruction, helping to keep the threaded sealing piece 2 and the threaded sleeve 1013 in good condition, ensuring the normal and effective use of the threaded sealing piece 2 and the threaded sleeve 1013.

[0056] Obviously, the above embodiments are only examples for clear illustration, and not limitation of the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A steam generating apparatus of a pressure vessel type, comprising: Steam generation tank (1), the upper and lower ends of the steam generation tank (1) are provided with upper tank cover (101) and lower tank cover (102) as symmetrical covers fixed by bolts; It is characterized in that the lower tank cover (102) is provided with a threaded screw (41) penetrating the lower tank cover (102), a single-end electric heating tube (4) vertically inserted into the steam generation tank (1) is installed on the threaded screw (41); the steam generation tank (1) is further provided with a cleaning frame (3), the cleaning frame (3) is composed of a prismatic positioning shaft (301), a U-shaped handle frame (303) welded to the top end of the prismatic positioning shaft (301), and a brush ring (302) welded around the circumferential periphery of the prismatic positioning shaft (301), wherein the brush ring (302) is fixedly installed with a steel wire brush of annular structure inside; the brush ring (302) and the single-end electric heating tube (4) are connected by sliding sleeve insertion, and the steel wire brush is in frictional contact with the single-end electric heating tube (4); the prismatic positioning shaft (301) is in sliding fit with the center part of the upper tank cover (101); The center part of the upper tank cover (101) is welded with a threaded sleeve (1013), and the threaded seal (2) is screwed onto the threaded sleeve (1013); the bottom part of the U-shaped handle frame (303) is provided with two insertion rods (3031) by spring pushing and sliding installation, when the threaded seal (2) is separated from the threaded sleeve (1013) and the cleaning frame (3) is driven to slide, the first end of the two insertion rods (3031) is inserted into the top part of the threaded seal (2).

2. The pressure vessel type steam generating device according to claim 1, wherein The threaded seal (2) is composed of a top six-sided force block and a threaded sleeve ring welded to the bottom of the six-sided force block, wherein the threaded sleeve ring is screwed with the threaded sleeve (1013).

3. The pressure vessel type steam generating device according to claim 2, wherein The part above the threaded sleeve (1013) of the prismatic positioning shaft (301) is welded with a circular sealing plate (3011), the circular sealing plate (3011) is in abutting contact with the top end of the threaded sleeve (1013), and the six-sided force block is in abutting contact with the top pressure of the circular sealing plate (3011).

4. The pressure vessel type steam generating device according to claim 2, wherein The outer side of the six-sided force block is symmetrically provided with two positioning holes (201), and the first end part of the two insertion rods (3031) is inserted into the two positioning holes (201) correspondingly.

5. The pressure vessel type steam generating device according to claim 2, wherein The prismatic positioning shaft (301) is inserted into the six-sided force block and the threaded sleeve (1013).

6. The pressure vessel type steam generating device according to claim 1, wherein The top circumferential eaves of the upper tank cover (101) are welded with a backwater pipe (1011) and an exhaust pipe (1012).

7. The pressure vessel type steam generating device according to claim 1, wherein The center of the lower tank cover (102) is welded with a water discharge pipe (1021).

8. A pressure vessel type steam generating device according to any one of claims 1 to 7, characterized in that, The brush ring (302), the single-end electric heating tube (4) and the threaded screw (41) are all multiple, and the number is one-to-one correspondence.

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