CN213793159U - Negative pressure type solid-liquid dual-purpose chemical adding device - Google Patents
Negative pressure type solid-liquid dual-purpose chemical adding device Download PDFInfo
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- CN213793159U CN213793159U CN202022496087.XU CN202022496087U CN213793159U CN 213793159 U CN213793159 U CN 213793159U CN 202022496087 U CN202022496087 U CN 202022496087U CN 213793159 U CN213793159 U CN 213793159U
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Abstract
A negative pressure type solid-liquid dual-purpose chemical adding device comprises a chemical adding funnel, a grid and a spray pipe valve; a negative pressure generator; a shower pipe; an isolation butterfly valve; a liquid medicine inlet ball valve, a bracket and the like; when in use, the dosing device is connected with the bypass of the outlet pipe of the chemical cleaning system; providing a pressure head by a chemical cleaning system cleaning pump; when the medicine adding device is used, the pressurized liquid passes through the negative pressure generator to form negative pressure in the negative pressure generator; after the solid medicine adds the medicine funnel, the shower provides the dissolution medium for it, and the solid medicine dissolves fast in adding the medicine funnel, opens and keeps apart manual butterfly valve, and solution gets into negative pressure generator, by negative pressure generator export entering system, and liquid medicine gets into the generator through negative pressure generator top side ball valve, goes into the system through the negative pressure generator export. The utility model discloses charge device is reliable and easily realize, has solved chemical cleaning and has added the leakage problem that solid medicine solution rate is slow, liquid medicine takes place the pipeline area to press the hose to burst and arouse when advancing medicine in-process.
Description
Technical Field
The utility model belongs to the chemical cleaning field, concretely relates to dual-purpose charge device of negative pressure formula solid-liquid.
Background
In the chemical cleaning process, systematic dosing is an important link, in the past, systematic dosing of liquid medicines is usually realized by erecting a small water pump between a liquid medicine containing container and a temporary water tank through a plastic reinforced pipe, medicines cannot be directly added into a pipeline, and because the system runs, the pipeline of the system is under pressure, a pressure head higher than the pressure in the pipeline of the system is required to be arranged at the outlet of the water pump, otherwise, the medicines are not easily added into the system, and due to the high pressure, the dosing pipe is easy to burst, the joint of the joint is easy to leak, so that the probability of personal injury is increased; if the medicine needs to be added into the water tank, the carrying process is complicated, and the container is easy to damage in the carrying process, so that medicine leakage occurs;
the solid medicine adding is usually carried to the position near the water tank manually, when a system has medicine adding conditions, the solid medicine adding is carried to the top of the water tank manually or mechanically, then the medicine is added into the water tank manually, the temperature of the water tank is generally higher (about 80 ℃) during chemical cleaning, the water vapor on the top of the water tank is dazzled, the visual field is unclear, the distance from the ground is higher, the medicine adding environment is poor, and the manual workload is large. Danger such as personnel scald, fall in high altitude easily takes place, and artifical work load increases with the increase of dosing by times. Secondly, the water tank generally does not have a stirring device, and solid medicines are easy to deposit in the water tank because the solubility of the solid medicines is reduced along with the increase of the concentration of the solution in the water tank. The medicine adding speed is reduced, and the medicine adding time is prolonged.
Disclosure of Invention
In order to solve the problems existing in the prior art, the utility model aims to provide a dual-purpose charge device of negative pressure formula solid-liquid, this measuring device is reliable and easily realize, has solved the medicine in-process that adds, and the operation is complicated, solid medicine dissolves difficult, the medicine leaks, the manual work volume is big, easily take place personnel injury scheduling problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a negative pressure type solid-liquid dual-purpose chemical adding device comprises a negative pressure generator 1, wherein the left side of the negative pressure generator is connected with a connecting short pipe 2, the right side of the negative pressure generator is connected with a negative pressure generator outlet valve 11, and the right side of the connecting short pipe 2 is connected with a negative pressure generator inlet valve 10; the upper part of the dosing short pipe of the negative pressure generator 1 is connected with an isolation butterfly valve 5; the upper part of the isolation butterfly valve 5 is connected with the dosing funnel 4; the lower part of the isolation butterfly valve 5 is connected with a liquid medicine inlet ball valve 9; the upper part of the dosing funnel 4 is provided with a dosing grid 7; the dosing funnel 4 is communicated with the junction pipe 2, a spray pipe inlet ball valve 3 is arranged on a communicating pipe between the dosing funnel 4 and the junction pipe 2, and the upper part of the spray pipe inlet ball valve 3 is connected with a spray pipe 8 in the dosing funnel 4; the whole medicine adding device is supported by the supporting legs 6, and the upper parts of the supporting legs are welded at the lower part of the medicine adding funnel 4.
The negative pressure generator 1 consists of a contraction section and an expansion section, the caliber of the contraction section is DN50-300, the shell is made of stainless tubes or carbon steel according to different added medicines, the inner sleeve is integrally made of nylon material, the caliber of the expansion section is 60-310mm, the expansion tube section of the negative pressure generator is made of carbon steel, and an inner lining anti-corrosion layer is arranged in the tube; when HCl is added, a negative pressure generator made of stainless steel is strictly forbidden.
The caliber of the short connecting pipe 2 is DN50-300, the specific size is determined according to the negative pressure generator, stainless pipes or carbon steel are selected according to different materials of added medicines, and stainless steel is forbidden when HCl is added.
The spray pipe inlet ball valve 3 is a three-piece welded ball valve, the caliber of the spray pipe inlet ball valve is DN40-50, the material is stainless steel or carbon steel, and the stainless steel is forbidden when HCl is added.
The medicine adding funnel 4 has a round opening with the caliber of DN800-900mm and is made of a steel plate metal plate with the thickness of 1-5mm, the bottom is connected with a large joint and a small joint, the large opening is 800-
The small opening is connected with the short connecting pipe 2 and the flange, the material of the dosing funnel is carbon steel, the dosing funnel is formed by welding after the metal plate is finished, and the outer surface of the dosing funnel is coated with an anticorrosive material after the dosing funnel is integrally finished; the inner surface is not subjected to anti-corrosion treatment; the supporting legs 6 are made of channel steel, and the inside and the outside of the supporting legs are coated with anticorrosive materials the same as those of the dosing hopper.
The isolation butterfly valve 5 is a DN100-DN150 wafer type manual butterfly valve and is made of carbon steel.
The medicine adding grid 7 adopts
The steel bar is made and welded, and the material is common carbon steel; the spray pipe 8 adopts
The steel pipe is made of common carbon steel; the liquid medicine inlet ball valve 9 is a screw thread ball valve and is made of stainless steel or carbon steel.
The drug adding system and the cleaning system are isolated by using a negative pressure generator inlet valve 10 and a negative pressure generator outlet valve 11, and the negative pressure generator inlet valve 10 and the negative pressure generator outlet valve 11 are stop valves or gate valves.
The negative pressure generator 1 is connected with the short connecting pipe 2 through flanges, polytetrafluoroethylene gaskets are arranged between the flanges, and the thickness of the gaskets is 3-5 mm; the isolation butterfly valve 5 is connected with the negative pressure generator 1 and the dosing funnel 4 through flanges, the isolation butterfly valve 5 and the upper and lower flanges are sealed through polytetrafluoroethylene gaskets, and the thickness of the gaskets is 3-5 mm.
The use method of the negative pressure type solid-liquid dual-purpose dosing device comprises the steps of firstly confirming whether pipeline connection is correct, whether the inlet and outlet directions are the same as the fluid direction of a chemical cleaning system or not and whether the pipeline connection is connected in parallel with the main pipeline of the chemical cleaning system or not, when the negative pressure type solid-liquid dual-purpose dosing device is used, firstly confirming that all valves on the dosing device are closed, then opening an outlet valve 11 of a negative pressure generator, then slowly opening an inlet valve 10 of the negative pressure generator, slowly closing a liquid return valve on the pipeline of the chemical cleaning system to generate pressure difference between the front and the back of the negative pressure generator 1 to enable negative pressure to be generated inside the negative pressure generator 1, then slowly opening an isolation butterfly valve 5, opening an inlet ball valve 3 of a spray pipe, adjusting the opening degree of the inlet valve 10 of the negative pressure generator to enable spray liquid to have no accumulation in a dosing funnel 4, starting to dose into the dosing funnel 4, placing solid medicine on a dosing grid 7, opening a package to carry out dosing, mixing and dissolving the medicine with the spray liquid in the dosing funnel 4, the mixture enters the negative pressure generator 1 through the isolation butterfly valve 5 and then enters the chemical cleaning system through the pipeline at the expansion section of the negative pressure generator, when the liquid is added with the chemicals, the liquid medicine inlet ball valve 9 is connected with the liquid container through the reinforced hose, when the chemicals are added, the liquid medicine inlet ball valve 9 is opened, and the opening of the liquid medicine inlet ball valve 9 is adjusted to control the medicine inlet speed; when the dosing is stopped, the isolation butterfly valve 5 and the liquid dosing ball valve 9 are closed, the liquid return valve on the main path of the chemical cleaning system is opened, the inlet valve 10 and the outlet valve 11 of the negative pressure generator are closed, and the dosing process using the dosing device is stopped.
Because the negative pressure is used for feeding, the problems of hose cracking and joint pressure-bearing leakage in the traditional feeding process are avoided; meanwhile, the problem of liquid medicine transportation is avoided.
Because the connection mode of the system bypass is adopted, the cleaning pump in the chemical cleaning system is used as power, a micro water pump in the traditional liquid dosing process is omitted, the failure rate is reduced, and the system is simpler.
Because the overall height of the dosing device is about 1 meter, when solid is dosed, drug carrying is convenient, manpower is greatly reduced, and operation is simpler and more convenient.
In addition, the spraying device is added to accelerate the dissolution of the solid medicine, so that the medicine adding efficiency is improved, and the problem of medicine deposition when the medicine is added into the water tank is solved.
Compared with the prior art, the utility model, have following advantage:
1) the device is simple to manufacture, the connecting system is simple, the installation is convenient, and the realization is easy;
2) the chemical cleaning system is used for hydraulic drive, and no external power is needed;
3) no moving parts are needed, the reliability is high, and the daily maintenance is less;
4) the volume is small, the weight is light, the installation is flexible and convenient, and the space is saved;
5) the medicine suction amount is always kept constant under the normal system flow;
6) the negative pressure medicine adding is safer and more convenient.
Drawings
Figure 1 is the front view of the medicine adding device of the utility model.
Fig. 2 is a left view of the dosing device of the utility model.
Fig. 3 is a top view of the drug adding device of the utility model.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, fig. 2 and fig. 3, the utility model relates to a negative pressure type solid-liquid dual-purpose medicine adding device, which comprises a negative pressure generator 1, wherein the left side of the negative pressure generator is connected with a connecting short pipe 2, the right side of the negative pressure generator is connected with a negative pressure generator outlet valve 11, and the right side of the connecting short pipe 2 is connected with a negative pressure generator inlet valve 10; the upper part of the dosing short pipe of the negative pressure generator 1 is connected with an isolation butterfly valve 5; the upper part of the isolation butterfly valve 5 is connected with the dosing funnel 4; the lower part of the isolation butterfly valve 5 is connected with a liquid medicine inlet ball valve 9; the upper part of the dosing funnel 4 is provided with a dosing grid 7; the dosing funnel 4 is communicated with the junction pipe 2, a spray pipe inlet ball valve 3 is arranged on a communicating pipe between the dosing funnel 4 and the junction pipe 2, and the upper part of the spray pipe inlet ball valve 3 is connected with a spray pipe 8 in the dosing funnel 4; the whole medicine adding device is supported by the supporting legs 6, and the upper parts of the supporting legs are welded at the lower part of the medicine adding funnel 4. The negative pressure generator 1 comprises a contraction section and an expansion section, the caliber of the contraction section is DN150, the shell material can be carbon steel according to different added medicines, the inner sleeve is integrally made of nylon material, the caliber of the expansion section is 150mm, and the negative pressure generator is negativeThe expanded pipe section of the pressure generator is made of carbon steel, for example, and the inside of the pipe is lined to prevent corrosion. A short connecting pipe 2 with a caliber DN 150. The spray pipe inlet ball valve 3 is a three-piece welded ball valve with the caliber DN50, and the material is stainless steel. The medicine adding funnel 4 and the round mouth caliber DN800mm are made of a steel plate metal plate with the thickness of 3mm, the bottom is connected with a reducer, the large mouth is 800mm, and the small mouth has the diameter
The small opening is connected with a short connecting pipe and a flange, the material of the dosing funnel is carbon steel, the dosing funnel is welded after the metal plate is finished, and the outer surface of the dosing funnel is painted with an anticorrosive material after the dosing funnel is integrally finished; the inner surface is not treated with corrosion protection. The isolation butterfly valve 5 is a DN150 wafer type manual butterfly valve and is made of carbon steel. The supporting leg 6 is made of #8 channel steel, and the inside and the outside of the supporting leg are coated with the same anticorrosive material as the dosing funnel. The chemical adding grid 7 adopts
And (5) manufacturing the steel bars, and finishing welding, wherein the materials are all common carbon steel. The spray pipe 8 adopts
The steel pipe is made of common carbon steel. The liquid medicine inlet ball valve 9 is a screw thread ball valve and is made of carbon steel. The drug adding system and the cleaning system are isolated by using a negative pressure generator inlet valve 10 and a negative pressure generator outlet valve 11, and the negative pressure generator inlet valve 10 and the negative pressure generator outlet valve 11 are stop valves. The negative pressure generator 1 is connected with the short connecting pipe 2 through flanges, polytetrafluoroethylene gaskets are arranged between the flanges, and the thickness of the gaskets is 3 mm; keep apart butterfly valve 5 and negative pressure generator 1 and add between the medicine funnel 4 and adopt flange joint, keep apart the butterfly valve 5 and all adopt the polytetrafluoroethylene gasket to seal between two upper and lower flanges, gasket thickness 3 mm.
When the chemical adding device is used, firstly, whether pipeline connection is correct or not is confirmed, whether the inlet and outlet directions are the same as the fluid direction of a chemical cleaning system or not is confirmed, whether the chemical adding device is connected in parallel on a main pipeline of the chemical cleaning system or not, when the chemical adding device is used, firstly, all valves on the chemical adding device are confirmed to be closed, then, an outlet valve 11 of a negative pressure generator is opened, then, an inlet valve 10 of the negative pressure generator is opened slowly, a liquid return valve on the pipeline of the chemical cleaning system is closed slowly, pressure difference is generated in the front and at the back of the negative pressure generator 1, negative pressure is generated in the negative pressure generator 1, then, an isolation butterfly valve 5 is opened slowly, an inlet ball valve 3 of a spray pipe is opened, the opening degree of the inlet valve 10 of the negative pressure generator is adjusted, so that no spraying liquid is stored in a chemical adding funnel 4, the chemical adding funnel 4 is started, solid medicines are placed on a chemical adding grid 7, the chemical adding grid is unpacked for adding, the medicines are mixed with the spraying liquid in the chemical adding funnel 4 for dissolving, the mixture enters the negative pressure generator 1 through the isolation butterfly valve 5 and then enters the chemical cleaning system through the pipeline at the expansion section of the negative pressure generator, when the liquid is added with the chemicals, the liquid medicine inlet ball valve 9 is connected with the liquid container through the reinforced hose, when the chemicals are added, the liquid medicine inlet ball valve 9 is opened, and the opening of the liquid medicine inlet ball valve 9 is adjusted to control the medicine inlet speed; when the dosing is stopped, the isolation butterfly valve 5 and the liquid dosing ball valve 9 are closed, the liquid return valve on the main path of the chemical cleaning system is opened, the inlet valve 10 and the outlet valve 11 of the negative pressure generator are closed, and the dosing process using the dosing device is stopped.
Claims (9)
1. The utility model provides a dual-purpose charge device of negative pressure formula solid-liquid which characterized in that: the device comprises a negative pressure generator (1), wherein the left side of the negative pressure generator is connected with a short connecting pipe (2), the right side of the negative pressure generator is connected with an outlet valve (11) of the negative pressure generator, and the right side of the short connecting pipe (2) is connected with an inlet valve (10) of the negative pressure generator; the upper part of a dosing short pipe of the negative pressure generator (1) is connected with an isolation butterfly valve (5); the upper part of the isolation butterfly valve (5) is connected with the dosing funnel (4); the lower part of the isolation butterfly valve (5) is connected with a liquid medicine inlet ball valve (9); the upper part of the dosing funnel (4) is provided with a dosing grid (7); the dosing funnel (4) is communicated with the short connecting pipe (2), a spray pipe inlet ball valve (3) is arranged on a communicating pipe between the dosing funnel (4) and the short connecting pipe (2), and the upper part of the spray pipe inlet ball valve (3) is connected with a spray pipe (8) in the dosing funnel (4); the whole dosing device is supported by supporting legs (6), and the upper parts of the supporting legs are welded at the lower parts of the dosing hoppers (4).
2. The negative-pressure type solid-liquid dual-purpose medicine adding device according to claim 1, which is characterized in that: the negative pressure generator (1) consists of a contraction section and an expansion section, the caliber of the contraction section is DN50-300, the shell is made of stainless tubes or carbon steel according to different added medicines, the inner sleeve is integrally made of nylon materials, the caliber of the expansion section is 60-310mm, the expansion tube section of the negative pressure generator is made of carbon steel, and an inner lining anti-corrosion layer is arranged in the tube; when HCl is added, a negative pressure generator made of stainless steel is strictly forbidden.
3. The negative-pressure type solid-liquid dual-purpose medicine adding device according to claim 1, which is characterized in that: the caliber of the short connecting pipe (2) is DN50-300, the specific size is determined according to the negative pressure generator, a stainless steel pipe or carbon steel is selected according to different materials of added medicines, and the stainless steel is forbidden when HCl is added.
4. The negative-pressure type solid-liquid dual-purpose medicine adding device according to claim 1, which is characterized in that: the spray pipe inlet ball valve (3) is a three-piece welded ball valve, the caliber of the spray pipe inlet ball valve is DN40-50, the material is stainless steel or carbon steel, and the stainless steel is forbidden when HCl is added.
5. The negative-pressure type solid-liquid dual-purpose medicine adding device according to claim 1, which is characterized in that: the medicine feeding funnel (4) has a round opening with the caliber of DN800-900mm and is made of a steel plate metal plate with the thickness of 1-5mm, the bottom is connected with a large joint and a small joint, the large opening is 800-
The small opening is connected with a short connecting pipe (2) and a flange, the material of the dosing funnel is carbon steel, the dosing funnel is formed by welding after the metal plate is finished, and the outer surface of the dosing funnel is coated with an anticorrosive material after the dosing funnel is integrally finished; the inner surface is not subjected to anti-corrosion treatment; the supporting legs (6) are made of channel steel, and the inside and the outside of the supporting legs are coated with anticorrosive materials the same as those of the dosing hopper.
6. The negative-pressure type solid-liquid dual-purpose medicine adding device according to claim 1, which is characterized in that: the isolation butterfly valve (5) is a DN100-DN150 wafer type manual butterfly valve and is made of carbon steel.
7. The negative-pressure type solid-liquid dual-purpose medicine adding device according to claim 1, which is characterized in that: the dosing grille (7) adopts
The steel bar is made and welded, and the material is common carbon steel; the spray pipe (8) adopts
The steel pipe is made of common carbon steel;
the liquid medicine inlet ball valve (9) is a screw thread ball valve and is made of stainless steel or carbon steel.
8. The negative-pressure type solid-liquid dual-purpose medicine adding device according to claim 1, which is characterized in that: the drug adding system and the cleaning system are isolated by using a negative pressure generator inlet valve (10) and a negative pressure generator outlet valve (11), and the negative pressure generator inlet valve (10) and the negative pressure generator outlet valve (11) are stop valves or gate valves.
9. The negative-pressure type solid-liquid dual-purpose medicine adding device according to claim 1, which is characterized in that: the negative pressure generator (1) is connected with the short connecting pipe (2) through flanges, polytetrafluoroethylene gaskets are arranged between the flanges, and the thickness of each gasket is 3-5 mm; the isolation butterfly valve (5) is connected with the negative pressure generator (1) and the dosing funnel (4) through flanges, the isolation butterfly valve (5) and the upper and lower flanges are sealed through polytetrafluoroethylene gaskets, and the thickness of the gaskets is 3-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022496087.XU CN213793159U (en) | 2020-11-01 | 2020-11-01 | Negative pressure type solid-liquid dual-purpose chemical adding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022496087.XU CN213793159U (en) | 2020-11-01 | 2020-11-01 | Negative pressure type solid-liquid dual-purpose chemical adding device |
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| CN213793159U true CN213793159U (en) | 2021-07-27 |
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| CN202022496087.XU Active CN213793159U (en) | 2020-11-01 | 2020-11-01 | Negative pressure type solid-liquid dual-purpose chemical adding device |
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