CN219290742U - Waste liquid collecting system - Google Patents
Waste liquid collecting system Download PDFInfo
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- CN219290742U CN219290742U CN202320833201.4U CN202320833201U CN219290742U CN 219290742 U CN219290742 U CN 219290742U CN 202320833201 U CN202320833201 U CN 202320833201U CN 219290742 U CN219290742 U CN 219290742U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a waste liquid collecting system, which at least comprises: a waste liquid collection unit; the liquid inlet unit is communicated with one end of the waste liquid collecting unit through a first pipeline; the cleaning unit is arranged at one end of the waste liquid collecting unit in parallel with the liquid inlet unit; and the recovery unit is communicated with the other end of the waste liquid collecting unit through a second pipeline, and a one-way valve is arranged between the recovery unit and the waste liquid collecting unit. The waste liquid collecting system provided by the utility model can be applied to a sulfur recovery combined device, can improve the recovery rate of sulfur, and reduces the pollution of waste liquid to the environment.
Description
Technical Field
The utility model relates to the technical field of petroleum refining, in particular to a waste liquid collecting system.
Background
The sulfur recovery combined device is an important environment-friendly facility for refining and integrating, and can ensure that sulfur dioxide in tail gas emission reaches the standard and simultaneously produce high-quality liquid sulfur. The scale of the sulfur recovery combined device is changed from a single device to a plurality of devices which are operated in parallel, and the sulfur recovery combined device is an environment-friendly device and is more and more strict in environmental emission. The acid water stripping device, the amine liquid regenerating device and the like matched with the sulfur recovery device can generate waste liquid in the processes of sampling, maintenance, overhaul and the like. If the environment is polluted after the recycling is impossible, the health of operators is hurt, and the daily operation difficulty is increased.
Disclosure of Invention
The utility model aims to provide a waste liquid collecting system which can be used for a sulfur recovery combined device, can improve the recovery rate of sulfur and reduce the pollution of waste liquid to the environment.
The utility model is realized by the following scheme.
The utility model provides a waste liquid collecting system, which at least comprises:
a waste liquid collection unit;
the liquid inlet unit is communicated with one end of the waste liquid collecting unit through a first pipeline;
the cleaning unit is arranged at one end of the waste liquid collecting unit in parallel with the liquid inlet unit; and
and the recovery unit is communicated with the other end of the waste liquid collecting unit through a second pipeline, and a one-way valve is arranged between the recovery unit and the waste liquid collecting unit.
In one embodiment of the present utility model, the waste liquid collecting unit includesA storage compartment having a volume of 0.1Nm 3 -1Nm 3 。
In one embodiment of the utility model, the inner wall of the storage compartment is sprayed with a corrosion-resistant coating.
In one embodiment of the utility model, the waste collection unit comprises a heating assembly disposed around an outer wall of the storage compartment.
In an embodiment of the utility model, the waste collection unit comprises a pressure detector in communication with the storage compartment.
In an embodiment of the utility model, the liquid inlet unit comprises a liquid inlet part, and the liquid inlet part is communicated with the waste liquid collecting unit through the first pipeline.
In an embodiment of the utility model, the first pipe is provided with a liquid inlet valve.
In an embodiment of the utility model, a filter screen is disposed at one end of the liquid inlet portion, which is close to the waste liquid collecting unit.
In an embodiment of the utility model, the liquid inlet unit comprises a sealing cover covering the liquid inlet part to seal the liquid inlet part.
In an embodiment of the utility model, a branch pipeline is arranged between the recovery unit and the waste liquid collecting unit, and an exhaust valve is arranged on the branch pipeline.
The waste liquid collecting system provided by the utility model can collect the waste liquid generated by the sulfur recovery combined device and convey the waste liquid to the sulfur recovery device again, so that the recovery rate of sulfur is improved, the utilization rate of raw materials is further improved, and the yield of sulfur is also improved. The method can remove particles and the like in the waste liquid, thereby ensuring the purity of sulfur. Can remove toxic gas in the waste liquid, reduce the pollution of the waste liquid to the environment and reduce the harm to the physical health of staff.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a waste liquid collection system according to an embodiment of the present utility model.
Description of the reference numerals:
100. a waste liquid collection unit; 101. a storage compartment; 102. a heating assembly; 103. a pressure detector; 200. a liquid inlet unit; 201. a liquid inlet part; 202. sealing cover; 203. a liquid inlet valve; 204. a filter screen; 300. a cleaning unit; 400. a delivery conduit; 401. a first pipe; 402. a second pipe; 4021. a branch pipe; 403. a third conduit; 500. a recovery unit; 600. a purge valve; 700. a one-way valve; 800. a liquid discharge valve; 900. and (5) exhausting the valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present utility model, since any structural modifications, proportional changes, or adjustments of size, which may fall within the spirit and scope of the present utility model without affecting the efficacy or the achievement of the present utility model, should not be construed as limiting the scope of the present utility model. Also, the terms "upper", "lower", "left", "right", "middle" and "a" are used herein for descriptive purposes only and are not intended to limit the scope of the present utility model, but rather are intended to cover various modifications or adaptations of the present utility model without materially altering the technical scope thereof.
Referring to fig. 1, the present utility model provides a waste liquid collecting system, which includes a waste liquid collecting unit 100, a liquid inlet unit 200, a cleaning unit 300, a conveying pipeline 400 and a recycling unit 500. Wherein, the liquid inlet unit 200 and the cleaning unit 300 are arranged in parallel on the same side of the waste liquid collecting unit 100, the recovery unit 500 is arranged on the other side of the waste liquid collecting unit 100, and the liquid inlet unit 200, the cleaning unit 300 and the recovery unit 500 are respectively connected with the waste liquid collecting unit 100 through the conveying pipeline 400. Through the waste liquid collecting system, waste liquid generated in the sampling, maintaining and overhauling processes of the sulfur recovery combined device and the like can be collected and conveyed to the recovery device again, the recovery rate of sulfur can be improved, the harm of the waste liquid to the environment is reduced, and the waste liquid collecting system can be used in combination with the sulfur recovery combined device such as an acid water stripping device, an amine liquid regenerating device and the like.
Referring to fig. 1, in an embodiment of the present utility model, a waste liquid collecting unit 100 includes a storage compartment 101, a heating assembly 102, and a pressure detector 103. Wherein the heating assembly 102 is provided on an outer wall of the storage compartment 101, and the pressure detector 103 communicates with the storage compartment 101 to detect the air pressure inside the storage compartment 101. The shape of the storage compartment 101 is not limited in the present utility model, and the storage compartment 101 may be, for example, a cylindrical shape, the storage compartment 101 may be, for example, a rectangular parallelepiped shape, and the storage compartment 101 may be, for example, a circular truncated cone shape. In the present embodiment, the storage compartment 101 is provided in a cylindrical shape, for example, and the upper and lower surfaces of the storage compartment 101 are provided in a dome shape, for example. The inner wall of the storage compartment 101 is smooth and flat, so that the accumulation and residue of impurities in the waste liquid can be reduced. In an embodiment of the utility model, the storage compartment 101 has a volume of, for example, 0.1Nm 3 ～1Nm 3 . In one embodiment of the present utility model, the storage compartment 101 is enclosed inside, and the storage compartment 101 is provided with through holes (not shown), for example, at the top and bottom, into which the transfer piping 400 extends, thereby connecting the storage compartment 101 with other units.
Referring to fig. 1, in an embodiment of the present utility model, the material of the storage compartment 101 is, for example, stainless steel 316L or stainless steel 304L. In this embodiment, the material of the storage compartment 101 is, for example, stainless steel 316L, and the storage compartment 101 has the advantages of high strength, high temperature resistance, corrosion resistance, oxidation resistance, easy processing and molding, low raw material cost, and the like. In one embodiment of the present utility model, an anti-corrosion coating is applied, for example, to the interior walls of the storage compartment 101 to enhance the anti-corrosion properties of the storage compartment 101. In an embodiment of the present utility model, the thickness of the anti-corrosion coating is, for example, greater than 5mm, and the material of the anti-corrosion coating is, for example, epoxy, chlorinated rubber, vinyl chloride or acrylic.
Referring to fig. 1, in an embodiment of the present utility model, a heating assembly 102 is disposed on an outer wall of a storage compartment 101 to heat liquid in the storage compartment 101, so as to prevent freezing and icing of the liquid in the storage compartment 101 in a low temperature state. In an embodiment of the utility model, the heating assembly 102 may be arranged around the outer wall of the storage compartment 101, for example, and the heating assembly 102 may also be arranged in a fixed point on the outer wall of the storage compartment 101, for example. In an embodiment of the present utility model, the heating element 102 may be heated by, for example, steam, and the heating element 102 may also be heated by, for example, electric heating, and specifically, the heating element 102 is, for example, a steam heating tube, an electric heating belt, or an electric heating tube. In one embodiment of the present utility model, the pressure detector 103 is in communication with the storage compartment 101 to detect the air pressure inside the storage compartment 101, and the pressure inside the storage compartment 101 is adjusted by controlling the opening and closing of the valve through the pressure data fed back by the pressure detector 103.
Referring to fig. 1, in an embodiment of the utility model, a liquid inlet unit 200 is disposed at one end of a waste liquid collecting unit 100, and the liquid inlet unit 200 is communicated with one end of the waste liquid collecting unit 100 through a conveying pipeline 400. In an embodiment of the present utility model, the liquid inlet unit 200 includes a liquid inlet portion 201, a sealing cover 202, and a liquid inlet valve 203, wherein the liquid inlet portion 201 is communicated with the storage compartment 101 through a conveying pipe 400, the sealing cover 202 covers the liquid inlet portion 201, and the liquid inlet valve 203 is disposed on the conveying pipe 400 between the liquid inlet portion 201 and the storage compartment 101. In one embodiment of the present utility model, the transfer duct 400 includes a first duct 401 and a second duct 402, and the liquid inlet portion 201 communicates with the storage compartment 101 through the first duct 401.
Referring to fig. 1, in an embodiment of the utility model, the liquid inlet 201 may be, for example, conical, or the liquid inlet 201 may be, for example, a circular truncated cone, and an end of the liquid inlet 201 with a smaller cross section is in communication with the storage compartment 101. In an embodiment of the present utility model, the material of the liquid inlet portion 201 is, for example, stainless steel 316L or stainless steel 304L. In the present embodiment, the material of the liquid inlet portion 201 is, for example, stainless steel 316L, and the liquid inlet portion 201 has the advantages of high strength, high temperature resistance, corrosion resistance, oxidation resistance, easy processing and molding, low raw material cost, and the like. In an embodiment of the present utility model, for example, an anti-corrosion coating is sprayed on the inner wall of the liquid inlet portion 201 to improve the anti-corrosion performance of the liquid inlet portion 201. In an embodiment of the present utility model, the thickness of the anti-corrosion coating is, for example, greater than 5mm, and the material of the anti-corrosion coating is, for example, epoxy, chlorinated rubber, vinyl chloride or acrylic. In an embodiment of the present utility model, the liquid inlet 201 is near an end of the storage compartment 101, for example, a filter 204 is disposed, so as to filter particles in the waste liquid. In one embodiment of the present utility model, the filtering accuracy of the filter 204 is, for example, 200 μm-500 μm. In an embodiment of the present utility model, the filter 204 is detachably connected to the liquid inlet 201, so as to facilitate cleaning of the filter 204 and prevent the liquid inlet 201 from being blocked.
Referring to fig. 1, in an embodiment of the present utility model, a sealing cover 202 covers a liquid inlet portion 201, and the sealing cover 202 is connected with the liquid inlet portion 201, for example, by means of hinge connection, snap connection or screw connection, so as to seal the liquid inlet portion 201, and can timely seal the liquid inlet portion 201 after the waste liquid is poured into the liquid inlet portion 201, thereby avoiding the toxic and harmful gas from overflowing.
Referring to fig. 1, in an embodiment of the utility model, the material of the first pipe 401 is, for example, stainless steel 316L, and the diameter of the first pipe 401 is, for example, 150mm-250mm. The liquid inlet 201 communicates with the storage compartment 101 through a first pipe 401, and the liquid inlet valve 203 is provided in the first pipe 401, and the flow rate of the liquid inlet is regulated by the liquid inlet valve 203.
Referring to fig. 1, in an embodiment of the utility model, the cleaning unit 300 and the liquid inlet unit 200 are disposed on the same side of the waste liquid collecting unit 100, and the cleaning unit 300 is in communication with the waste liquid collecting unit 100, for example, through a third pipe 403. In an embodiment of the present utility model, the material of the third pipe 403 is, for example, stainless steel 316L, and the diameter of the third pipe 403 is, for example, set to be 50mm-150mm. A cleaning valve 600 is provided on the third pipe 403 between the cleaning unit 300 and the waste liquid collecting unit 100. The flow rate of the cleaning liquid in the cleaning unit 300 is adjusted by the cleaning valve 600. In an embodiment of the utility model, the cleaning solution in the cleaning unit 300 is, for example, desalted water, and the water inlet pressure of the desalted water is, for example, 0.7Mpa-0.8Mpa. The storage cabin 101 is cleaned by desalted water, so that the corrosion of waste liquid to the inner wall of the storage cabin 101 can be reduced.
Referring to fig. 1, in an embodiment of the utility model, a recovery unit 500 is disposed at an end of the waste liquid collecting unit 100 opposite to the cleaning unit 300, and the recovery unit 500 communicates with the waste liquid collecting unit 100 through a second pipe 402. For example, the waste liquid discharged from the sulfur recovery unit is collected and conveyed to the sulfur recovery unit again, so that the recovery rate of sulfur can be improved, the utilization rate of raw materials can be improved, and the harm of the waste liquid to the environment and staff can be reduced. In an embodiment of the present utility model, a check valve 700 is provided on the second pipe 402 between the recovery unit 500 and the waste liquid collecting unit 100. And the inside of the check valve 700 can be filled with a graphite filter layer, for example, so that the liquid and the volatilized harmful gas can be prevented from flowing back. In an embodiment of the present utility model, a drain valve 800 is provided on the second pipe 402 between the check valve 700 and the recovery unit 500, for example, so that the waste liquid stored in the waste liquid collecting unit 100 is transferred to the recovery unit 500 for recycling. In an embodiment of the present utility model, for example, a branch pipe 4021 may be further provided between the check valve 700 and the recovery unit 500, and an exhaust valve 900 may be provided on the branch pipe 4021 to exhaust the volatile gas generated in the waste liquid through the exhaust valve 900. And when the pressure in the storage compartment 101 exceeds 0.1Mpa, the check valve 700 and the exhaust valve 900 are opened, so that the emptying operation of the storage compartment 101 can be performed.
Referring to fig. 1, in an embodiment of the present utility model, when the waste liquid collecting apparatus works, the air outlet valve 900 and the cleaning valve 600 are in a closed state, the sealing cover 202 is opened, the sealing cover 202 is covered after the waste liquid is poured into the liquid inlet portion 201, the liquid inlet valve 203, the one-way valve 700 and the liquid outlet valve 800 are opened, after the waste liquid enters the recovery unit 500 through the sealed storage compartment 101 and the one-way valve 700, the liquid inlet valve 203 is closed, the cleaning valve 600 is opened, the desalted water of 0.7Mpa-0.8Mpa is introduced into the sealed storage compartment 101, the storage compartment 101 is cleaned, and the cleaning valve 600 and the liquid outlet valve 800 are closed after the cleaning is completed. If the pressure of the storage compartment 101 exceeds 0.1Mpa, the check valve 700 and the exhaust valve 900 are opened to perform a vent operation.
In summary, according to the waste liquid collecting system provided by the utility model, waste liquid generated by a sulfur recovery combined device and the like is collected, so that the harm to the environment and staff caused by direct discharge of the waste liquid is avoided. The recovery rate of sulfur is improved by collecting and conveying the waste liquid to a sulfur recovery device again, so that the utilization rate of raw materials is improved, and the yield of sulfur is also improved. Through setting up sealed lid in waste liquid entrance, can in time seal after the waste liquid is poured into, avoid poisonous and harmful gas excessive. The filter screen is added to remove particles and the like in the waste liquid, so that the purity of sulfur is ensured. Through setting up check valve and discharge valve, avoid liquid and volatile harmful gas backward flow, and can get rid of the volatile toxic gas in the waste liquid, reduce the pollution of waste liquid to the environment to and reduce the harm to staff's healthy. The collecting device is cleaned by adopting desalted water, so that the corrosion of waste liquid to the collecting device is reduced, and the service life of the collecting device is prolonged. Through set up heating element at collection device outer wall to avoid working environment temperature to hang down and lead to demineralized water to freeze, thereby guarantee the cleaning performance of demineralized water.
The embodiments of the utility model disclosed above are intended only to help illustrate the utility model. The examples are not intended to be exhaustive or to limit the utility model to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Reference throughout this specification to "one embodiment," "an embodiment," or "a particular embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment, and not necessarily all embodiments, of the present utility model. Thus, the appearances of the phrases "in one embodiment," "in an embodiment," or "in a specific embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics of any specific embodiment of the present utility model may be combined in any suitable manner with one or more other embodiments. It will be appreciated that other variations and modifications of the embodiments of the utility model described and illustrated herein are possible in light of the teachings herein and are to be considered as part of the spirit and scope of the utility model.
It will also be appreciated that one or more of the elements shown in the figures may also be implemented in a more separated or integrated manner, or even removed because of inoperability in certain circumstances or provided because it may be useful depending on the particular application.
Claims (10)
1. A waste collection system comprising at least:
a waste liquid collection unit;
the liquid inlet unit is communicated with one end of the waste liquid collecting unit through a first pipeline;
the cleaning unit is arranged at one end of the waste liquid collecting unit in parallel with the liquid inlet unit; and
and the recovery unit is communicated with the other end of the waste liquid collecting unit through a second pipeline, and a one-way valve is arranged between the recovery unit and the waste liquid collecting unit.
2. The waste collection system of claim 1, wherein the waste collection unit comprises a storage compartment having a volume of 0.1Nm 3 -1Nm 3 。
3. The waste collection system of claim 2, wherein the interior wall of the storage compartment is sprayed with a corrosion resistant coating.
4. The waste collection system of claim 2, wherein the waste collection unit includes a heating assembly disposed about an outer wall of the storage compartment.
5. The waste collection system of claim 2, wherein the waste collection unit includes a pressure detector in communication with the storage compartment.
6. The waste collection system of claim 1, wherein the liquid inlet unit comprises a liquid inlet portion in communication with the waste collection unit through the first conduit.
7. The waste collection system of claim 6, wherein the first conduit is provided with a feed valve.
8. The waste collection system of claim 6, wherein a filter screen is disposed in the liquid inlet portion at an end adjacent to the waste collection unit.
9. The waste collection system of claim 6, wherein the liquid inlet unit includes a sealing cover that overlies the liquid inlet portion to seal the liquid inlet portion.
10. The waste collection system of claim 1, wherein a branch conduit is provided between the recovery unit and the waste collection unit, and wherein an exhaust valve is provided on the branch conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320833201.4U CN219290742U (en) | 2023-04-12 | 2023-04-12 | Waste liquid collecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320833201.4U CN219290742U (en) | 2023-04-12 | 2023-04-12 | Waste liquid collecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219290742U true CN219290742U (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320833201.4U Active CN219290742U (en) | 2023-04-12 | 2023-04-12 | Waste liquid collecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219290742U (en) |
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- 2023-04-12 CN CN202320833201.4U patent/CN219290742U/en active Active
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