Insulation box structure in phosphoric acid tail gas treatment system
By adopting an insulating box structure with insulating ceramic sleeves, double-layer steel shells, and quick-release components in the phosphoric acid tail gas treatment system, the problem of insufficient sealing is solved, achieving an oxygen-free micro-positive pressure environment and precipitation of phosphorus and sulfur hydrides, reducing the risk of explosion, and improving equipment safety and service life.
Patent Information
- Application Number
- CN202422774358.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-14
AI Technical Summary
The insulation boxes in existing phosphoric acid tail gas treatment systems are not properly sealed, leading to phosphorus-containing gas leakage, which increases the risk of explosion and the possibility of equipment damage.
It adopts an insulated box structure, including an insulating porcelain sleeve, a double-layer steel shell, a sealing cover, and quick-release components. An oxygen-free micro-positive pressure environment is created by steam heating and nitrogen introduction. Combined with the electrolytic precipitation of phosphorus and sulfur hydrides by the boom, leakage and explosion are prevented.
It effectively prevents the leakage of phosphorus-containing gas inside the insulation box, reduces the risk of explosion, improves equipment safety and stability, facilitates the cleaning of the lifting rod, and extends the equipment life.
Smart Images
Figure CN223566369U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tail gas treatment device field especially relates to the insulation box structure in phosphoric acid tail gas treatment system. BACKGROUND
[0002] The insulation box plays an important role in the phosphoric acid tail gas treatment system, mainly used to ensure the safety and environmental protection during the treatment process. Its structure is usually composed of corrosion-resistant materials, with an insulating layer and sealing device inside to prevent leakage of harmful gases and effectively isolate electrical equipment. The insulation box is widely used in chemical, metallurgical and environmental protection fields, especially in the treatment of phosphoric acid tail gas, which can effectively reduce the safety risk caused by gas leakage and improve the stability and service life of the equipment.
[0003] However, the existing insulation box in the phosphoric acid tail gas treatment system has obvious technical problems, especially its poor sealing. This problem leads to the possibility of phosphorus-containing gas leakage during the treatment process, significantly increasing the risk of explosion when contacting with electric sparks. This not only threatens the safety of operators, but also may cause equipment damage and environmental pollution.
[0004] To solve the above problems, the insulation box structure in the phosphoric acid tail gas treatment system is proposed. INVENTION CONTENTS
[0005] To overcome the above shortcomings, the utility model provides an insulation box structure in the phosphoric acid tail gas treatment system, aiming to improve the problem of phosphorus-containing gas leakage during the treatment process due to the poor sealing of the insulation box, which significantly increases the risk of explosion when contacting with electric sparks.
[0006] To achieve the above purpose, the utility model adopts the following technical scheme: the insulation box structure in the phosphoric acid tail gas treatment system, comprising: an insulation box, an insulating porcelain sleeve is arranged inside the insulation box, a lower sealing cover is installed at the bottom of the insulating porcelain sleeve, a sealing assembly is opened on the side wall of the insulation box, an upper sealing cover is installed at the top of the insulation box, an insert block is installed inside the upper sealing cover, a quick release assembly is arranged inside the upper sealing cover.
[0007] The sealing assembly includes a steam inlet and a steam outlet, a steam cavity is opened on the inside of the insulation box, 90-110℃ steam can be injected into the steam cavity, and nitrogen gas can be introduced into the upper sealing cover.
[0008] Further description of the above technical scheme:
[0009] The quick release assembly comprises a clamping box, a latch is slidably connected in the clamping box, a spring is arranged outside the latch, a limiting plate is fixedly connected to the middle portion of the latch, a clamping plate is arranged on the top of the clamping box, and the bottom of the clamping plate abuts against the top of the limiting plate.
[0010] As a further description of the above technical solution:
[0011] The inside of the insulating porcelain sleeve is provided with a power generation assembly, the power generation assembly comprises a boom, the top of the boom penetrates the bottom of the upper sealing cover and is inserted into the inside of the plug, and the boom is conductive.
[0012] As a further description of the above technical solution:
[0013] The outside of the latch penetrates the side wall of the plug and is inserted into the inside of the boom.
[0014] As a further description of the above technical solution:
[0015] Valves are mounted on the top of the steam outlet and the steam inlet, and the valves can control the in and out of steam.
[0016] As a further description of the above technical solution:
[0017] The outside of the clamping box is fixedly connected to the outside of the plug.
[0018] As a further description of the above technical solution:
[0019] A vent is mounted on the side wall of the insulating box, and the outside of the vent penetrates the side wall of the insulating box and the insulating porcelain sleeve.
[0020] As a further description of the above technical solution:
[0021] The boom can make phosphorus sulfur hydride particles in flue gas in the inside of the insulating box precipitate after being electrified.
[0022] The utility model has the advantages of the following:
[0023] 1、The utility model discloses a double-layer steel shell is used to the insulating box, and the inside of the insulating box has an insulating porcelain sleeve, and the inside ion is insulated with the shell, the upper portion and the lower portion of the insulating porcelain sleeve are sealed by the sealing cover, the boom is hung in the middle of the upper sealing cover, and the hanging point is sealed to prevent flue gas leakage, the double-layer shell is heated by steam in the middle, and nitrogen is passed in the top cover of the insulating box, reaches the oxygen -free micro -positive pressure environment, prevents the factor of explosion, prevents the leakage.
[0024] 2、The utility model discloses, long -time work after hanging on will contaminate too many phosphorus sulfur hydride precipitate, can be separated with the plug -in block through pulling the bolt, take down after hanging and clean, be favorable to guarantee the work efficiency of subsequent. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is the three -dimensional schematic view of the insulation box structure in the phosphoric acid tail gas treatment system of the utility model;
[0026] Figure 2 It is the structure schematic view of the steam cavity of the insulation box structure in the phosphoric acid tail gas treatment system of the utility model;
[0027] Figure 3 It is the structure schematic view of the suspension rod of the insulation box structure in the phosphoric acid tail gas treatment system of the utility model;
[0028] Figure 4 It is the structure schematic view of the bolt of the insulation box structure in the phosphoric acid tail gas treatment system of the utility model.
[0029] LEGEND:
[0030] 1, insulation box;2, insulation porcelain sleeve;3, upper sealing cover;4, lower sealing cover;5, steam outlet;6, steam inlet;7, emptying port;8, steam cavity;9, plug -in block;10, card box;11, suspension rod;12, bolt;13, spring;14, limit plate;15, card plate;16, valve. DETAILED DESCRIPTION
[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.
[0032] REFERENCE Figure 1 - Figure 2The utility model provides an embodiment: insulation box structure in phosphoric acid tail gas treatment system, include: insulation box 1, the inside of insulation box 1 is provided with insulating porcelain bushing 2, the bottom of insulating porcelain bushing 2 is installed with lower sealing cover 4, the lateral wall of insulation box 1 is equipped with sealing assembly, sealing assembly includes steam inlet 6 and steam outlet 5, the top of steam outlet 5 and steam inlet 6 is installed with valve 16, the valve 16 can control the in and out of steam, the inside of insulation box 1 is equipped with steam cavity 8, the steam cavity 8 can inject 90~110 DEG C steam, nitrogen can be passed into in upper sealing cover 3, the lateral wall of insulation box 1 is installed with emptying port 7, the outside of emptying port 7 penetrates the lateral wall of insulation box 1 and insulating porcelain bushing 2.
[0033] Specifically, in the embodiment, the inside of the insulation box 1 is provided with the insulating porcelain bushing 2, the top and bottom of the insulating porcelain bushing 2 are respectively provided with the upper sealing cover 3 and the lower sealing cover 4, the steam outlet 5 and the steam inlet 6 are installed on the lateral wall of the insulation box 1, after opening the valve 16, the heated steam can be injected into the steam cavity 8 through the steam outlet 5, the steam at 90~110 DEG C circulates and heats around the outside of the insulating porcelain bushing 2, a large amount of nitrogen is injected into the inside of the upper sealing cover 3 to achieve an oxygen-free micro-positive pressure state, so as to eliminate the explosion factors and ensure the normal operation of the equipment.
[0034] Referring to Figure 3 Figure 4 The top of the insulation box 1 is provided with the upper sealing cover 3, the inside of the upper sealing cover 3 is provided with the plug 9, the upper sealing cover 3 is provided with the quick release assembly, the quick release assembly includes the clamping box 10, the outside of the clamping box 10 is fixedly connected to the outside of the plug 9, the inside of the clamping box 10 is slidably connected with the bolt 12, the outside of the bolt 12 penetrates the lateral wall of the plug 9 and is inserted into the inside of the suspender 11, the outside of the bolt 12 is sleeved with the spring 13, the middle part of the bolt 12 is fixedly connected with the limiting plate 14, the top of the clamping box 10 is provided with the clamping plate 15, the bottom of the clamping plate 15 abuts against the top of the limiting plate 14, the inside of the insulating porcelain bushing 2 is provided with the power generation assembly, the power generation assembly includes the suspender 11, the top of the suspender 11 penetrates the bottom of the upper sealing cover 3 and is inserted into the inside of the plug 9, the suspender 11 can conduct electricity, after the suspender 11 is electrified, the phosphorus sulfur hydride particles in the flue gas in the inside of the insulation box 1 can be precipitated.
[0035] Specific, the boom 11 power on can be the smoke containing phosphorus sulfur hydride in the insulation box 1 electrolysis, so that the phosphorus sulfur hydride particles mixed precipitation, long time work after the outside of the boom 11 will accumulate a large number of precipitates, affect the working efficiency of the equipment, because the top of the boom 11 plug in the inside of the plug block 9, after being inserted into the plug 12 and fixed in the inside of the plug block 9, so can pull the plug 12 and drive the limit plate 14 in the card box 10 sliding, limit plate 14 will compress the spring 13 after the top of the card plate 15 into the inside of the card box 10, finally stuck in the leftmost end of the plug 12, at this time the staff can both hands on the boom 11 disassembly, cleaning after inserting into the plug block 9 inside, at this time pull the card plate 15 up and down, the plug 12 is inserted into the inside of the boom 11 under the action of the spring 13.
[0036] Working principle: in order to prevent the leakage in the insulation box 1, therefore, the exhaust gas treatment needs to run under positive pressure, avoid the emergence of "pollution flash" phenomenon, make the insulator burst or crack, lead to phosphoric acid tail gas treatment equipment failure. The insulation box 1 adopts double layer steel shell, the inside of the insulation porcelain sleeve 2 can be insulated with the shell, double layer shell middle steam heating, nitrogen gas in the top cover of the insulation box 1, reach the oxygen free micro positive pressure environment, eliminate the factors and prevent leakage, can be pulled by the plug 12 from the inside of the boom 11 disassembly plug block 9, after the boom 11 outside on the phosphorus sulfur hydride precipitate cleaning, then by pulling the card plate 15, the plug 12 is inserted into the inside of the boom 11 under the action of the spring 13.
[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application has been made, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.
Claims
1. The structure of the insulating box in the phosphoric acid tail gas treatment system, characterized in that, include: An insulating box (1) is provided inside the insulating box (1), an insulating porcelain sleeve (2) is provided inside the insulating porcelain sleeve (2), a lower sealing cover (4) is installed at the bottom of the insulating porcelain sleeve (2), a sealing assembly is provided on the side wall of the insulating box (1), an upper sealing cover (3) is installed on the top of the insulating box (1), an insert block (9) is installed inside the upper sealing cover (3), and a quick-release assembly is provided inside the upper sealing cover (3); The sealing assembly includes a steam inlet (6) and a steam outlet (5). A steam cavity (8) is provided on the inner side of the insulation box (1). Steam at 90-110°C can be injected into the steam cavity (8). Nitrogen can be introduced into the upper sealing cover (3).
2. The insulating box structure in the phosphoric acid tail gas treatment system according to claim 1, characterized in that: The quick-release assembly includes a card box (10), a pin (12) is slidably connected inside the card box (10), a spring (13) is sleeved on the outside of the pin (12), a limiting plate (14) is fixedly connected to the middle of the pin (12), a card plate (15) is provided on the top of the card box (10), and the bottom of the card plate (15) abuts against the top of the limiting plate (14).
3. The insulating box structure in the phosphoric acid tail gas treatment system according to claim 2, characterized in that: The insulating porcelain sleeve (2) is equipped with a power generation component, which includes a rod (11). The top of the rod (11) passes through the bottom of the upper sealing cover (3) and is inserted into the interior of the plug (9). The rod (11) is conductive.
4. The insulating box structure in the phosphoric acid tail gas treatment system according to claim 3, characterized in that: The outer side of the pin (12) penetrates the side wall of the insert (9) and is inserted into the interior of the rod (11).
5. The insulating box structure in the phosphoric acid tail gas treatment system according to claim 1, characterized in that: Valves (16) are installed on the top of both the steam outlet (5) and the steam inlet (6), and the valves (16) can control the entry and exit of steam.
6. The insulating box structure in the phosphoric acid tail gas treatment system according to claim 2, characterized in that: The outer side of the card box (10) is fixedly connected to the outer side of the insert (9).
7. The insulating box structure in the phosphoric acid tail gas treatment system according to claim 1, characterized in that: The side wall of the insulation box (1) is equipped with a vent (7), and the outside of the vent (7) penetrates the side wall of the insulation box (1) and the insulation porcelain sleeve (2).
8. The insulating box structure in the phosphoric acid tail gas treatment system according to claim 3, characterized in that: When the boom (11) is energized, phosphorus and sulfur hydride particles in the flue gas inside the insulation box (1) will precipitate.