CN220723654U - Pipeline connecting device for installing dosing pump on top of closed tank - Google Patents
Pipeline connecting device for installing dosing pump on top of closed tank Download PDFInfo
- Publication number
- CN220723654U CN220723654U CN202322442539.XU CN202322442539U CN220723654U CN 220723654 U CN220723654 U CN 220723654U CN 202322442539 U CN202322442539 U CN 202322442539U CN 220723654 U CN220723654 U CN 220723654U
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- tank
- dosing
- connecting pipe
- pump
- closed
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 17
- 230000008676 import Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 18
- 230000036541 health Effects 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model discloses a pipeline connecting device for installing a dosing pump on the top of a closed dosing tank, which comprises a closed dosing tank main body, wherein the dosing pump is installed on the top end surface of the closed dosing tank main body, the closed dosing tank main body comprises a dosing tank top plate, the dosing pump comprises a pump outlet threaded connecting pipe and a pump inlet threaded connecting pipe, the pump outlet threaded connecting pipe is connected with a peripheral dosing pipeline, a threaded hole is formed in the dosing tank top plate, a three-stage adapter is connected in the threaded hole of the closed dosing tank main body, and a tank inner connecting pipe is connected to the bottom end surface of the three-stage adapter. The closed dosing to volatile chemicals is realized to this application, very big improvement the suitability and the security of dosing system, protected surrounding equipment and operating personnel, ensured equipment life and personnel life health.
Description
Technical Field
The utility model relates to the technical field of dosing tanks, in particular to a pipeline connecting device for installing a dosing pump on the top of a closed tank.
Background
Industrial wastewater treatment industry often uses various chemical dosing tanks, and small chemical dosing tanks generally have the functions of dosing, dispensing, storing and dosing, but the chemical dosing tanks are simple in structure and often do not distinguish the types of chemicals stored in the tanks, so that in the actual use process, negative effects are caused due to the specificity of certain chemical properties.
The small-sized dosing pump is generally arranged on the tank top, the pipeline of the dosing pump extends into the tank from the hole of the tank top to extract chemicals, the method is small and economical, the disassembly and assembly are flexible, and the components in the tank can be taken out. However, when the chemicals stored in the tank have volatile properties, volatile gases escape from the opening in the top of the tank, thereby damaging surrounding equipment and operators. For example, when the chemical is hydrochloric acid, the volatilized hydrogen chloride gas can corrode surrounding metals, and the risk of sucking acid mist by operators is also caused, so that the health of the operators is endangered.
Disclosure of Invention
The utility model aims to provide a pipeline connecting device for installing a dosing pump on the top of a closed tank, which realizes closed dosing of volatile chemicals, and the device is matched with a proper dosing tank and a proper dosing pump to form a complete closed dosing system, so that the applicability and the safety of the dosing system are greatly improved, surrounding equipment and operators are protected, and the service life of the equipment and the life health of the personnel are ensured.
In order to achieve the above purpose, the utility model provides a pipeline connecting device for installing a dosing pump on the top of a closed dosing tank, which comprises a closed dosing tank main body, wherein the dosing pump is installed on the top end surface of the closed dosing tank main body, the closed dosing tank main body comprises a dosing tank top plate, the dosing pump comprises a pump outlet threaded connecting pipe and a pump inlet threaded connecting pipe, the pump outlet threaded connecting pipe is connected with a peripheral dosing pipeline, a threaded hole is formed in the dosing tank top plate, a three-stage adapter is connected in the threaded hole of the closed dosing tank main body, and a tank inner connecting pipe is connected to the bottom end surface of the three-stage adapter;
the middle part terminal surface fixed connection of tertiary adapter is in the dosing tank roof of closed dosing tank main part, the upside terminal surface of tertiary adapter is connected with under the outer connecting pipe of jar by the order, be connected with the outer connecting pipe of jar by the upside terminal surface of order under the outer connecting pipe of jar, the upside terminal surface joint of the outer connecting pipe of jar has on the outer connecting pipe of jar by the order, by the connecting pump import threaded connection pipe on the outer connecting pipe of jar, dosing pump, outer connecting pipe of jar and jar internal connection pipe are linked together.
In one or more embodiments, the tank outer connecting pipe is internally provided with a first internal thread groove, and the tank outer connecting pipe is connected with the pump inlet threaded connecting pipe through the first internal thread groove in a threaded manner.
In one or more embodiments, the pump inlet threaded connection pipe and the tank outer connection pipe are sleeved with a first sealing ring at the connection part of the pump inlet threaded connection pipe and the tank outer connection pipe.
In one or more embodiments, the lower part of the tank outer connecting pipe is provided with a second internal thread groove, the top end surface of the tertiary adapter is provided with a fourth external thread, and the tertiary adapter is in threaded connection with the second internal thread groove on the lower part of the tank outer connecting pipe through the fourth external thread.
In one or more embodiments, a second sealing ring is sleeved at the joint of the outer connecting pipe of the tank and the top end surface of the tertiary adapter.
In one or more embodiments, the end face of the tertiary adapter that contacts the threaded opening is provided with a second external thread that is threaded into the threaded opening on the top plate of the dosing tank.
In one or more embodiments, the end face of the tertiary adapter that contacts the top plate of the dosing tank is lined with a sealing gasket.
In one or more embodiments, the third internal thread groove is formed in the bottom end face of the third-stage adapter, the first external thread is formed in the end face, in contact with the third-stage adapter, of the in-can connecting tube, and the in-can connecting tube is connected with the third internal thread groove on the third-stage adapter through the first external thread.
In one or more embodiments, a bottom valve is connected to a bottom end surface of the in-tank connection tube.
In one or more embodiments, the in-can connection tube is located at an inner wall end surface of the closed type dosing tank body, and the three-stage adapter bottom portion end surface is located at an inner wall end surface of the closed type dosing tank body.
Compared with the prior art, the pipeline connecting device for the closed tank top-mounted dosing pump realizes closed dosing of volatile chemicals, and the device is matched with a proper dosing tank and a proper dosing pump to form a complete closed dosing system, so that the applicability and safety of the dosing system are greatly improved, surrounding equipment and operators are protected, and the service life of the equipment and the life health of the operators are ensured.
Drawings
Fig. 1 is a schematic structural view of a pipeline connection device of a closed tank top mounted dosing pump according to an embodiment of the present utility model.
Fig. 2 is a schematic diagram of the structure at a in fig. 1.
Fig. 3 is a schematic diagram of the structure at B of fig. 2.
The main reference numerals illustrate:
1-closed dosing tank body, 101-dosing tank top plate, 1011-threaded hole, 2-dosing pump, 201-pump outlet threaded connecting pipe, 202-pump inlet threaded connecting pipe, 203-first sealing ring, 3-tank inner connecting pipe, 301-bottom valve, 302-first external thread, 4-tank outer connecting pipe upper by order, 401-first internal thread groove, 5-tank outer connecting pipe lower by order, 501-second sealing ring, 502-second internal thread groove, 6-third level adapter, 601-second external thread, 602-third internal thread groove, 603-sealing gasket, 604-fourth external thread, 7-tank outer connecting pipe.
Detailed Description
The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
As shown in fig. 1 to 3, a pipeline connecting device for a closed tank top-mounted dosing pump according to an embodiment of the present utility model comprises a closed dosing tank body 1, and a dosing pump 2 is mounted on the top end surface of the closed dosing tank body 1. The closed type dosing tank body 1 comprises a dosing tank top plate 101, and the dosing pump 2 comprises a pump outlet threaded connecting pipe 201 and a pump inlet threaded connecting pipe 202. Pump outlet nipple 201 connects to the peripheral dosing line for chemical delivery.
A threaded hole 1011 is formed in the top plate 101 of the dosing tank, and a three-stage adapter 6 is connected in the threaded hole 1011 of the closed dosing tank body 1. The bottom end face of the three-stage adapter 6 is connected with the tank inner connecting pipe 3, and the projection of the threaded hole 1011 on the horizontal plane is larger than the projection of the tank inner connecting pipe 3 and the bottom valve 301 on the horizontal plane, so that the tank inner connecting pipe 3 and the bottom valve 301 are pulled out of the threaded hole 1011.
The end face of the third-stage adapter 6, which is in contact with the threaded hole 1011, is provided with a second external thread 601, and the second external thread 601 is in threaded connection with the threaded hole 1011 on the top plate 101 of the dosing tank, so as to fix the third-stage adapter 6 on the top plate 101 of the dosing tank. The end surface of the third-stage adapter 6, which is in contact with the top plate 101 of the dosing tank, is provided with a sealing gasket 603 in a pad manner, so that the joint of the third-stage adapter 6 and the top plate 101 of the dosing tank is sealed in a reinforcing manner.
The third internal thread groove 602 is formed in the bottom end face of the third-stage adapter 6, and the first external thread 302 is formed in the end face of the in-tank connecting pipe 3, which is in contact with the third-stage adapter 6. The tank inner connecting pipe 3 is in threaded connection with the third inner thread groove 602 on the three-stage adapter 6 through the first outer thread 302, so that the tank inner connecting pipe 3 is fixed on the three-stage adapter 6. The middle end face of the three-stage adapter 6 is fixedly connected in a dosing tank top plate 101 of the closed dosing tank body 1, and the upper end face of the three-stage adapter 6 is connected with a tank outer connecting pipe lower password 5.
The second internal thread groove 502 is formed in the lower part of the outer connecting pipe of the tank, the fourth external thread 604 is formed in the top end face of the third-stage adapter 6, the third-stage adapter 6 is in threaded connection with the second internal thread groove 502 in the lower part of the outer connecting pipe of the tank through the fourth external thread 604, and the purpose that the lower part of the outer connecting pipe of the tank is fixed on the top end face of the third-stage adapter 6 through the lower part of the outer connecting pipe of the tank is achieved.
The second sealing ring 501 is sleeved at the joint of the upper end face of the third-stage adapter 6 and the lower end face of the tank outer connecting pipe, so that the joint of the third-stage adapter 6 and the lower end face of the tank outer connecting pipe is reinforced and sealed. The upper end face of the outer connecting pipe 5 is connected with the outer connecting pipe 7, namely one side end face of the outer connecting pipe 7 is clamped with the inner end face of the outer connecting pipe 4, and the other side end face of the outer connecting pipe 7 is clamped with the inner end face of the outer connecting pipe 5. The first internal thread groove 401 is arranged in the outer connecting pipe 4, and the outer connecting pipe 4 is connected with the pump inlet thread connecting pipe 202 through the first internal thread groove 401, so that the outer connecting pipe 4 and the outer connecting pipe 7 are fixed on the dosing pump 2.
The pump inlet threaded connecting pipe 202 is connected to the tank outer connecting pipe by the 4-way joint, and the first sealing ring 203 is sleeved at the joint of the pump inlet threaded connecting pipe 202 and the tank outer connecting pipe by the 4-way joint, so that the sealing of the joint of the pump inlet threaded connecting pipe 202 and the tank outer connecting pipe by the 4-way joint is enhanced by the first sealing ring 203. The tank inner connecting pipe 3 is positioned on the inner wall end face of the closed dosing tank body 1, and the bottom part end face of the three-stage adapter 6 is positioned on the inner wall end face of the closed dosing tank body 1.
The bottom end face of the in-tank connecting pipe 3 is connected with a bottom valve 301, so that the opening and closing of the in-tank connecting pipe 3 are controlled through the bottom valve 301. Wherein the bottom valve 301 comprises a valve cover and a screen. The bottom valve 301 is welded to the bottom of the tank inner connection pipe 3 so that the optimal emptying, cleaning and sterilizing effects can be achieved. This is prior art and is not described in detail herein.
The dosing pump 2, the tank outer connecting pipe 7 and the tank inner connecting pipe 3 are communicated. The chemical is output by the chemical adding pump 2, so that the full-closed chemical adding function is achieved. It should be noted here that, in general, each component of the pipe connection device is made of polyvinyl chloride plastic, and may be made of other materials that meet the requirements, such as polypropylene plastic, stainless steel, and the like.
The closed dosing of volatile chemicals is realized to this application, and the device collocation suitable dosing tank and dosing pump form complete closed dosing system, use in industrial waste water treatment trade, very big improvement dosing system's suitability and security, protected surrounding equipment and operating personnel, ensured equipment life and personnel life health. The device has kept the flexible advantage of prior art dismouting, and the removable advantage of in-tank part has still solved the not enough of prior art harm surrounding equipment and operating personnel. The device has the advantages of simple structure, flexible disassembly, space saving, stable effect, wide applicability, easy maintenance, high safety and high cost performance, and can be standardized and has high customization. The method can be widely applied to new and improved engineering projects, helps users solve the volatile hazard in chemical dosing systems with lower cost, prolongs the overall stability and service life of the wastewater treatment system, and indirectly promotes the vigorous development of the environmental protection industry.
When in use, as shown in fig. 1, a proper closed dosing tank main body 1 and a proper dosing pump 2 are selected according to medium requirements, a threaded hole 1011 is formed on a dosing tank top plate 101, and the dosing pump 2 is arranged at a proper position on the top end surface of the closed dosing tank main body 1.
The materials and specifications of the components are selected and matched according to the characteristics of the medium, the specification of the interface of the dosing pump 2, the distance between the pump inlet threaded connecting pipe 202 and the dosing tank top plate 101, the distance between the dosing tank top plate 101 and the bottom plate of the bottom end face of the closed dosing tank main body 1, and the like.
Then the device is mounted in a redistribution way, the bottom valve 301, the in-tank connecting pipe 3 and the three-stage adapter 6 are assembled into a whole, and the assembled part extends into the inner wall end face of the closed dosing tank main body 1 from the threaded hole 1011 of the dosing tank top plate 101. Is connected with the threaded hole 1011 of the top plate 101 of the dosing tank through the three-stage adapter 6 in a threaded way, and is provided with a sealing gasket 603. Finally, the upper part of the external connecting pipe 4 and the lower part of the external connecting pipe 5 are respectively connected with the pump inlet threaded connecting pipe 202 and the three-stage adapter 6, and the first sealing ring 203 and the second sealing ring 501 are sequentially installed.
The peripheral dosing pipeline is in threaded connection with the pump outlet threaded connecting pipe 201, and the dosing pump 2 is started to output chemicals, so that a full-closed dosing function is realized.
When the device needs to be disassembled, under the condition of ensuring equipment to stop, the upper part of the connecting pipe outside the tank is separated from the threaded connecting pipe 202 of the pump inlet and the third-stage adapter 6 by the lower part of the connecting pipe outside the tank by the order 4 and the order 5 respectively. The third level adaptor 6 is then separated from the top plate 101 of the dosing tank. In the separation process, the tank inner connecting pipe 3 and the bottom valve 301 are together drawn out of the closed dosing tank main body 1 from the threaded hole 1011 of the dosing tank top plate 101, and finally the bottom valve 301, the tank inner connecting pipe 3 and the three-stage adapter 6 are separated, so that the components can be replaced after the disassembly is finished.
The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (10)
1. The pipeline connecting device of the closed type dosing pump is arranged on the top of the tank and comprises a closed type dosing tank main body, the dosing pump is arranged on the top end face of the closed type dosing tank main body, the closed type dosing tank main body comprises a dosing tank top plate, and the pipeline connecting device is characterized in that the dosing pump comprises a pump outlet threaded connecting pipe and a pump inlet threaded connecting pipe, the pump outlet threaded connecting pipe is connected with a peripheral dosing pipeline, a threaded hole is formed in the dosing tank top plate, the closed type dosing tank main body is positioned in the threaded hole and is connected with a three-stage adapter, and the bottom end face of the three-stage adapter is connected with a tank connecting pipe;
the middle part terminal surface fixed connection of tertiary adapter is in the dosing tank roof of closed dosing tank main part, the upside terminal surface of tertiary adapter is connected with under the outer connecting pipe of jar by the order, be connected with the outer connecting pipe of jar by the upside terminal surface of order under the outer connecting pipe of jar, the upside terminal surface joint of the outer connecting pipe of jar has on the outer connecting pipe of jar by the order, by the connecting pump import threaded connection pipe on the outer connecting pipe of jar, dosing pump, outer connecting pipe of jar and jar internal connection pipe are linked together.
2. A pipe connection device for a closed tank top mounted dosing pump as claimed in claim 1 wherein said tank outer connecting pipe is internally provided with a first internal thread groove, and said tank outer connecting pipe is threaded with a pump inlet threaded connecting pipe through the first internal thread groove.
3. A pipeline connecting device for a closed tank top mounted dosing pump as claimed in claim 1 or 2, wherein the connecting part of the pump inlet threaded connecting pipe and the tank outer connecting pipe is sleeved with a first sealing ring.
4. The pipeline connecting device for the closed tank top mounted dosing pump of claim 1, wherein the lower part of the tank outer connecting pipe is provided with a second internal thread groove, the top end surface of the three-stage adapter is provided with a fourth external thread, and the three-stage adapter is connected with the second internal thread groove of the lower part of the tank outer connecting pipe through the fourth external thread.
5. A pipeline connecting device for a closed tank top mounted dosing pump as claimed in claim 1 or 4, wherein a second sealing ring is sleeved at the joint of the outer connecting pipe of the tank and the top end surface of the three-stage adapter.
6. The pipeline connecting device for a closed tank top mounted dosing pump of claim 1, wherein the end surface of the three-stage adapter, which is in contact with the threaded hole, is provided with a second external thread, and the second external thread is in threaded connection with the threaded hole on the top plate of the dosing tank.
7. A pipeline connecting device for a closed tank top mounted dosing pump as claimed in claim 1 or 6, wherein the end face of the three-stage adapter, which is contacted with the top plate of the dosing tank, is provided with a sealing gasket.
8. The pipeline connecting device for a closed tank top mounted dosing pump of claim 1, wherein the bottom end face of the three-stage adapter is provided with a third internal thread groove, the end face of the tank internal connecting pipe, which is in contact with the three-stage adapter, is provided with a first external thread, and the tank internal connecting pipe is in threaded connection with the third internal thread groove on the three-stage adapter through the first external thread.
9. A pipe connection device for a closed tank top mounted dosing pump as claimed in claim 1 wherein a bottom end surface of said in-tank connection pipe is connected with a bottom valve.
10. The pipeline connecting device for the sealed tank top mounted dosing pump of claim 1, wherein the in-tank connecting pipe is positioned on the inner wall end face of the sealed dosing tank body, and the bottom part end face of the three-stage adapter is positioned on the inner wall end face of the sealed dosing tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322442539.XU CN220723654U (en) | 2023-09-08 | 2023-09-08 | Pipeline connecting device for installing dosing pump on top of closed tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322442539.XU CN220723654U (en) | 2023-09-08 | 2023-09-08 | Pipeline connecting device for installing dosing pump on top of closed tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220723654U true CN220723654U (en) | 2024-04-05 |
Family
ID=90488885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322442539.XU Active CN220723654U (en) | 2023-09-08 | 2023-09-08 | Pipeline connecting device for installing dosing pump on top of closed tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220723654U (en) |
-
2023
- 2023-09-08 CN CN202322442539.XU patent/CN220723654U/en active Active
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