Full-flow tank and ammonium sulfate production waste gas recovery system

The sealing is achieved by using cover plate, collection tube, water sealing tank and manhole door in the full flow tank, combined with the design of the waste gas collection incinerator, the problem of poor sealing effect of the full flow tank is solved, and the complete collection of waste gas is achieved and environmental protection goals.

CN222304864UActive Publication Date: 2025-01-07唐山首钢京唐西山焦化有限责任公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420751660.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2025-01-07
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

The sealing effect of the full flow tank in the coking ammonium sulfide area is poor, resulting in gas leakage and unorganized emission of VOCs gas, posing safety hazards and causing pollution to the environment.

Method used

A full flow tank and ammonium sulfide production waste gas recovery system are designed, and a sealing member combined with a cover plate and a collection tube is used to seal the full flow tube and the cover plate through the water seal structure of the first water seal groove and the second water seal groove. The gap between the gaps and the water sealing groove structure of the manhole door and the level gauge sleeve further enhances the sealing effect, and connects the collection tube to the incinerator fan to achieve thorough collection and control of waste gas.

Benefits of technology

It effectively prevents harmful gas leakage, improves sealing effect, reduces environmental pollution, and ensures production safety and environmental protection level.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222304864U_ABST
    Figure CN222304864U_ABST
Patent Text Reader

Abstract

The utility model discloses a full-flow tank and an ammonium sulfate production waste gas recovery system, and solves the technical problem of harmful gas leakage caused by poor sealing effect of a full-flow tank in the prior art. Comprising a full-flow groove body and a sealing piece. The full-flow groove body comprises a groove body and a full-flow pipe partially located in the groove body, and the groove body is provided with a first containing cavity; the sealing piece is arranged at the groove opening of the groove body and comprises a cover plate and a collecting pipe, the cover plate is provided with a first hole allowing the full-flow pipe to penetrate through, and the collecting pipe is connected to the cover plate and communicates with the first containing cavity; wherein the cover plate is provided with a first water seal tank spaced from the full-flow pipe and annularly arranged outside the first hole, the full-flow pipe is provided with a second water seal tank extending into the first water seal tank, and a second containing cavity communicated with the outer side is defined by the second water seal tank and the first water seal tank. The full-flow groove is provided with the sealing piece so that the top of the full-flow groove can be sealed, meanwhile, water can be poured into the second containing cavity, a gap between the cover plate and the full-flow pipe is sealed through water, the overall sealing effect is achieved, and pollution caused by gas leakage to the environment is prevented.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present application belongs to the technical field of chemical tanks, and specifically relates to a full flow tank and an ammonium sulfate production waste gas recovery system. Background Art

[0002] During the production process of the full-flow trough of the saturator in the coking ammonium sulfate area, the full-flow pipe is a non-fixed pipe and shakes greatly up and down, so it is impossible to use a hard connection to fix the full-flow pipe. The outer wall of the full-flow pipe is only wrapped with rubber, and the top cover of the full-flow trough is sealed by overlapping the edges. The manhole on the top for collecting acid tar residue is only fastened with a cover. The overall sealing effect is poor, which will cause gas leakage and unorganized emissions of VOCs gas. Not only is there a great safety hazard, but it also causes serious pollution to the environment. Summary of the invention

[0003] In order to solve the current technical problem that the sealing effect of the full flow trough is poor, resulting in the leakage of harmful gases and causing environmental pollution, the present application provides a full flow trough and an ammonium sulfate production waste gas recovery system.

[0004] In a first aspect of the present application, a full flow trough is provided, comprising a full flow trough body and a sealing member.

[0005] The full-flow tank body comprises a tank body and a full-flow pipe partially located in the tank body, and the tank body is provided with a first accommodating cavity;

[0006] The sealing member is arranged at the notch of the tank body, and comprises a cover plate and a collecting pipe, wherein the cover plate is provided with a first hole for the full flow pipe to pass through, and the collecting pipe is connected to the cover plate and communicated with the first accommodating chamber;

[0007] Among them, the cover plate is provided with a first water seal groove separated from the full flow pipe and arranged around the first hole, and the full flow pipe is provided with a second water seal groove extending into the first water seal groove, which together with the first water seal groove forms a second accommodating cavity connected to the outside.

[0008] In some embodiments, the first water seal groove and the second water seal groove extend along the axial direction of the groove body, and the groove opening of the second water seal groove is close to the bottom of the first water seal groove.

[0009] In some embodiments, the horizontal cross-section of the first water seal groove is circular, the outer wall is arranged outside the second water seal groove, and the inner wall is arranged outside the full flow pipe.

[0010] In some embodiments, a sealing ring is further included, and the sealing ring is arranged on the cover plate and is used to seal the cover plate and the trough body.

[0011] In some embodiments, a manhole door is further included, wherein the manhole door is connected to the cover plate to connect the first accommodating chamber and the outside.

[0012] In some embodiments, the manhole door includes a door frame arranged on the cover plate and a door body hinged to the door frame, the door frame is provided with a third water seal groove, and the door body is provided with a fourth water seal groove. When the manhole door is closed, the fourth water seal groove can extend into the third water seal groove and together with the third water seal groove form a third accommodating cavity connected to the outside.

[0013] In some embodiments, the cover plate is provided with a second hole for connecting a liquid level gauge sleeve, one end of the liquid level gauge sleeve extends into the interior of the tank body, and the other end is connected to the liquid level gauge.

[0014] In some embodiments, the liquid level gauge sleeve is provided with a third hole, and the third hole is located in the first accommodating cavity.

[0015] In some embodiments, the liquid level gauge sleeve is provided with a purge hole, the purge hole is away from the tank body, and the purge hole is connected to an air source.

[0016] In a second aspect of the present application, there is provided an ammonium sulfate production waste gas recovery system, comprising the full flow tank and the incinerator;

[0017] Wherein, the collecting pipe of the full flow trough is connected to the incinerator through an induced draft fan.

[0018] The full flow trough and ammonium sulfate production waste gas recovery system provided in the embodiment of the present application include a full flow trough body and a sealing member. The full flow trough body includes a trough body and a full flow pipe partially located in the trough body, and the trough body is provided with a first accommodating cavity; the sealing member is provided at the notch of the trough body, and includes a cover plate and a collecting pipe, and the cover plate is provided with a first hole for the full flow pipe to pass through, and the collecting pipe is connected to the cover plate and connected to the first accommodating cavity; wherein the cover plate is provided with a first water seal groove spaced from the full flow pipe and arranged outside the first hole, and the full flow pipe is provided with a second water seal groove extending into the first water seal groove, and the second water seal groove is enclosed with the first water seal groove to form a second accommodating cavity connected to the outside.

[0019] Compared with the prior art, the full flow groove arranged in the present application is provided with a sealing member to seal the top of the full flow groove, and is provided with a first water seal groove and a second water seal groove. Since the first water seal groove is arranged outside the first hole, and the first hole is used for the full flow pipe to pass through, the first water seal groove is sleeved outside the gap between the first hole and the full flow pipe. Since the second water seal groove extends into the first water seal groove, it is combined with the first water seal groove to form a second accommodating cavity connected to the outside. Water can be poured into the second accommodating cavity of the first water seal groove and the second water seal groove, and the gap between the water seal cover plate and the full flow pipe is used to achieve a sealing effect to prevent gas leakage from polluting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic structural diagram of a full flow slot in an embodiment of the present application is shown.

[0021] Figure 2 A schematic diagram of the structure of a manhole door of a full flow trough in an embodiment of the present application is shown.

[0022] Figure 3 A schematic diagram of the structure of a liquid level gauge sleeve of a full flow tank in an embodiment of the present application is shown.

[0023] Description of reference numerals:

[0024] 100, tank body;

[0025] 200, full flow pipe;

[0026] 210, second water seal groove;

[0027] 300, cover plate;

[0028] 310, first water seal groove; 320, manhole door; 330, liquid level gauge sleeve; 340, liquid level gauge;

[0029] 321, third water seal groove; 322, fourth water seal groove; 331, purge hole;

[0030] 400. Collection tube. DETAILED DESCRIPTION

[0031] In order to make the technical personnel in the technical field to which the present application belongs to understand the present application more clearly, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0032] The first embodiment of the present application provides a full flow groove to seal the full flow groove to prevent leakage of harmful gases.

[0033] See also Figure 1 , the full flow trough provided in the embodiment of the present application comprises a full flow trough body and a sealing member;

[0034] The full flow tank body comprises a tank body 100 and a full flow pipe 200 partially located in the tank body 100. The tank body 100 is provided with a first accommodating cavity. In some embodiments, the full flow pipe 200 is located in the middle of the tank body 100, and the top thereof extends out of the tank body 100.

[0035] The sealing member is provided at the notch of the tank body 100, and includes a cover plate 300 and a collecting pipe 400. The cover plate 300 is provided with a first hole for the full flow pipe 200 to pass through. The collecting pipe 400 is connected to the cover plate 300 and communicated with the first accommodating chamber to seal the tank body 100. In some embodiments, the first hole is located in the middle of the cover plate 300. In some embodiments, the cover plate 300 is provided with a collecting hole to connect the collecting pipe 400 so that the collecting pipe 400 is communicated with the first accommodating chamber.

[0036] Among them, the cover plate 300 is provided with a first water seal groove 310 separated from the full flow pipe 200 and arranged outside the first hole, and the full flow pipe 200 is provided with a second water seal groove 210 extending into the first water seal groove 310, which is combined with the first water seal groove 310 to form a second accommodating cavity connected to the outside, so as to fill water into the second accommodating cavity, water seal the gap between the full flow pipe 200 and the cover plate 300, and prevent leakage of waste gas, acid tar residue and mother liquor.

[0037] In some embodiments, the first water seal groove 310 and the second water seal groove 210 extend along the axial direction of the groove body 100, and the groove mouth of the second water seal groove 210 is close to the bottom of the first water seal groove 310, so as to enclose a second accommodating cavity with the first water seal groove 310, so that water can be poured into between the first water seal groove 310 and the second water seal groove 210 to water seal the first hole. In some embodiments, the first water seal groove 310 is located below the second water seal groove 210 and partially overlaps with the second water seal groove 210.

[0038] In some embodiments, the horizontal cross-section of the first water seal groove 310 is a circular ring, the outer wall is arranged outside the second water seal groove 210, and the inner wall is arranged outside the full flow pipe 200, so as to enclose a second accommodating chamber with the second water seal groove 210, so that water can be poured into between the first water seal groove 310 and the second water seal groove 210 to seal the first hole. In some embodiments, the groove wall of the second water seal groove 210 is arranged between the outer wall and the inner wall of the first water seal groove 310, and the groove mouth is close to the bottom of the first water seal groove 310, and encloses a second accommodating chamber with the first water seal groove 310. In some embodiments, the second water seal groove 210 can also prevent the mother liquor and acid tar residue in the groove body 100 from splashing and overflowing.

[0039] In some embodiments, a sealing ring is further included. The sealing ring is disposed on the cover plate 300 and is used to seal the cover plate 300 and the trough body 100 . In some embodiments, the sealing ring is connected to the cover plate 300 .

[0040] In some embodiments, a manhole door 320 is further included. The manhole door 320 is connected to the cover plate 300 to connect the first accommodating chamber and the outside. In some embodiments, the manhole door 320 is close to the collecting pipe 400.

[0041] See also Figure 2In some embodiments, the manhole door 320 includes a door frame arranged on the cover plate 300 and a door body hinged to the door frame, the door frame is provided with a third water seal groove 321, and the door body is provided with a fourth water seal groove 322. When the manhole door 320 is closed, the fourth water seal groove 322 can extend into the third water seal groove 321, and together with the third water seal groove 321, form a third accommodating chamber connected to the outside. Water can be poured into the third accommodating chamber to seal the manhole door 320 to prevent harmful gases from leaking from the manhole. In some embodiments, the notch of the third water seal groove 321 is smaller than the notch of the fourth water seal groove 322. In some embodiments, when the manhole door 320 is closed, the fourth water seal groove 322 is sleeved outside the third water seal groove 321, and together with the third water seal groove 321, form a third accommodating chamber connected to the outside.

[0042] See also Figure 3 In some embodiments, the cover plate 300 is provided with a second hole for connecting a liquid level gauge sleeve 330. One end of the liquid level gauge sleeve 330 extends into the interior of the trough body 100, and the other end is connected to the liquid level gauge 340, so that the liquid level gauge 340 can measure the liquid level outside the first accommodating cavity. In some embodiments, one end of the liquid level gauge sleeve 330 is located in the first accommodating cavity, and the other end extends out of the first accommodating cavity.

[0043] In some embodiments, the liquid level gauge sleeve 330 is provided with a third hole, and the third hole is located in the first accommodating chamber to facilitate the light oil to flow back into the full flow groove, prevent the sleeve from being blocked, and avoid odor emission during maintenance. In some embodiments, the third hole is a Φ10mm hole. In some embodiments, a flange is provided on the top of the cover plate 300 and is bolted to the liquid level gauge sleeve 330.

[0044] In some embodiments, the liquid level gauge sleeve 330 is provided with a purge hole 331, which is far away from the tank body 100. The purge hole 331 is connected to the gas source to purge internal residue to ensure the normal operation of production. In some embodiments, the purge hole 331 of the liquid level gauge sleeve 330 is arranged on the liquid level gauge sleeve 330 outside the tank body 100.

[0045] The second embodiment of the present application provides an ammonium sulfate production waste gas recovery system to seal the full flow tank to prevent leakage of harmful gases.

[0046] The ammonium sulfate production waste gas recovery system provided in the embodiment of the present application includes a full flow trough and an incinerator, wherein the collection pipe 400 of the full flow trough is connected to the incinerator through an induced draft fan, thereby achieving thorough collection and treatment of the waste gas from the full flow trough and improving the environmental protection level.

[0047] The following is a detailed description of the use process of the full flow trough of the present application to prevent the leakage of harmful gases:

[0048] When in use, the sealing member seals the trough body 100 through the cover plate 300 and the sealing ring provided on the cover plate 300, so as to seal the trough body 100 as a whole, and then the first water seal groove 310 provided on the cover plate 300 cooperates with the second water seal groove 210 provided on the full flow pipe 200, and water is added into the first water seal groove 310, so that the water is filled between the first water seal groove 310 and the second water seal groove 210, so as to realize a water seal between the trough body 100 and the full flow pipe 200, and at the same time, water is filled between the third water seal groove 321 and the fourth water seal groove 322 on the manhole door 320, so that the door hole is water-sealed, and the full flow pipe 200 is sealed as a whole, and harmful gases can only overflow from the collecting pipe 400, and the collecting pipe 400 is connected to the induced draft fan, and the induced draft fan is connected to the incinerator. Since the collecting pipe 400 is connected to the first accommodating chamber, the harmful gases in the trough body 100 can be introduced into the incinerator by the induced draft fan for unified treatment, so as to realize the thorough collection and treatment of the exhaust gas from the full flow trough and improve the environmental protection level.

[0049] The full flow trough and ammonium sulfate production waste gas recovery system of the present application have at least the following advantages:

[0050] (1) The full flow groove arranged in the present application is provided with a sealing member to seal the top of the full flow groove, and is provided with a first water seal groove and a second water seal groove. Since the first water seal groove is arranged outside the first hole, and the first hole is used for the full flow pipe to pass through, the first water seal groove is sleeved outside the gap between the first hole and the full flow pipe. Since the second water seal groove extends into the first water seal groove, it is combined with the first water seal groove to form a second accommodating cavity connected to the outside. Water can be poured into the second accommodating cavity of the first water seal groove and the second water seal groove to achieve a sealing effect through the gap between the water seal cover plate and the full flow pipe to prevent gas leakage from polluting the environment.

[0051] (2) The manhole door of the present application includes a door frame arranged on a cover plate and a door body hinged to the door frame. The door frame is provided with a third water seal groove, and the door body is provided with a fourth water seal groove. When the manhole door is closed, the fourth water seal groove can extend into the third water seal groove and together with the third water seal groove form a third accommodating chamber connected to the outside. Water can be poured into the third accommodating chamber to seal the manhole door and prevent harmful gases from leaking from the manhole.

[0052] (3) The cover plate of the present application includes a sealing ring, which is arranged on the cover plate and can seal the cover plate and the tank body to prevent gas leakage from polluting the environment.

[0053] (4) The liquid level gauge sleeve of the present application is provided with a third hole, which is located in the first accommodating chamber to facilitate the light oil to flow back into the full flow groove, prevent the sleeve from being blocked, and avoid odor emission during maintenance.

[0054] (5) The liquid level gauge sleeve of the present application is provided with a purge hole, which is far away from the tank body and connected to an air source to purge internal residues to ensure normal production operation.

[0055] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0056] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise" and "counterclockwise" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0057] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0058] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0059] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A full flow tank, characterized in that: include: A full-flow tank body, comprising a tank body and a full-flow pipe partially located in the tank body, wherein the tank body is provided with a first accommodating cavity; A sealing member, arranged at the notch of the tank body, comprising a cover plate and a collecting pipe, wherein the cover plate is provided with a first hole for the full flow pipe to pass through, and the collecting pipe is connected to the cover plate and communicated with the first accommodating chamber; Among them, the cover plate is provided with a first water seal groove separated from the full flow pipe and arranged around the first hole, and the full flow pipe is provided with a second water seal groove extending into the first water seal groove, which together with the first water seal groove forms a second accommodating cavity connected to the outside.

2. The full flow trough according to claim 1, characterized in that: The first water seal groove and the second water seal groove extend along the axial direction of the groove body, and the groove opening of the second water seal groove is close to the bottom of the first water seal groove.

3. The full flow trough according to claim 1, characterized in that: The horizontal cross section of the first water seal groove is circular, the outer wall is arranged outside the second water seal groove, and the inner wall is arranged outside the full flow pipe.

4. The full flow trough according to any one of claims 1 to 3, characterized in that: It also includes a sealing ring, which is arranged on the cover plate and is used to seal the cover plate and the tank body.

5. The full flow trough according to any one of claims 1 to 3, characterized in that: It also includes a manhole door, which is connected to the cover plate to communicate with the first accommodating chamber and the outside.

6. The full flow trough according to claim 5, characterized in that: The manhole door includes a door frame arranged on the cover plate and a door body hinged to the door frame, the door frame is provided with a third water seal groove, and the door body is provided with a fourth water seal groove. When the manhole door is closed, the fourth water seal groove can extend into the third water seal groove and enclose together with the third water seal groove to form a third accommodating cavity connected to the outside.

7. The full flow trough according to any one of claims 1 to 3, characterized in that: The cover plate is provided with a second hole for connecting a liquid level gauge sleeve. One end of the liquid level gauge sleeve extends into the interior of the tank body, and the other end is connected to the liquid level gauge.

8. The full flow trough according to claim 7, characterized in that: The liquid level gauge sleeve is provided with a third hole, and the third hole is located in the first accommodating cavity.

9. The full flow trough according to claim 7, characterized in that: The liquid level gauge sleeve is provided with a purge hole, the purge hole is far away from the tank body, and the purge hole is connected to an air source.

10. An ammonium sulfate production waste gas recovery system, characterized in that: include: The full flow trough as claimed in claims 1 to 9; Incinerators; Wherein, the collecting pipe of the full flow trough is connected to the incinerator through an induced draft fan.