CN219195146U

CN219195146U - Pickling device

Info

Publication number: CN219195146U
Application number: CN202320298098.8U
Authority: CN
Inventors: 刘亮威
Original assignee: Jiangsu Kaiding Environmental Protection Equipment Co ltd
Current assignee: Jiangsu Kaiding Environmental Protection Equipment Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-06-16
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses a pickling device, wherein a liquid outlet is formed in the upper end of a pump body, a first infusion tube is arranged at one end of the liquid outlet, a compressed air tube is arranged at the upper end of the first infusion tube, and a pickling device is arranged at one end of the first infusion tube; the lower extreme of the pump body is provided with the inlet, and the one end of inlet is provided with the second transfer line, and the lower extreme of second transfer line is provided with draws sour pipe, and the one end of drawing sour pipe is provided with the imbibition device, and imbibition device one side interlude is provided with acidizing fluid circulating device, and acidizing fluid circulating device includes the staving, and the inner wall of staving is provided with the fixed slot, and the fixed slot upper end is provided with the fixed plate, and one side of fixed plate is provided with the scour protection separator, and one side of scour protection separator is provided with the connector, and one side of connector is provided with the filter. The utility model relates to a pickling device which is ingenious in design and convenient to use, and can be used for forming a pulsating gas-liquid mixed fluid before pickling, so that the internal flow of equipment can be improved, and simultaneously, the pulsation can enable floating scale or loose scale blocks on a pickling interface to rapidly fall off.

Description

Pickling device

Technical Field

The utility model relates to a heat exchanger dirt washs relevant technical field, specifically is a pickling device.

Background

Due to water quality problems, a large number of heat exchange coolers inevitably generate scale, and two methods, namely mechanical cleaning and chemical cleaning, are generally adopted. As various production devices are more and more exquisite, mechanical cleaning such as unpick and wash is more and more difficult to adapt, and the trend of gradually eliminating is that. Chemical cleaning is more widely used.

In the actual pickling process, because the scale layers of the flow channels are different in thickness and flow channel area, when the acid liquor of the conventional circulating pickling pump circulates, the local flow of less scale is large, the local flow of more scale is small, even the circulation quantity is small, no flow exists, the pickling effect is poor or the pickling time is greatly prolonged, and the acid liquor can corrode equipment to a certain extent. Therefore, a pickling device is needed to solve the above problems.

Disclosure of Invention

The utility model aims at solving the problems, and provides the pickling device which is ingenious in design and convenient to use, and the pulsating gas-liquid mixed fluid is formed before pickling, so that the internal flow of equipment can be improved, and meanwhile, the floating scale or loose scale block on a pickling interface can be rapidly dropped off by pulsation.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the pneumatic diaphragm pump comprises a pump body, a liquid outlet is formed in the upper end of the pump body, a first infusion tube is arranged at one end of the liquid outlet, a compressed air tube is arranged at the upper end of the first infusion tube, and an acid washing device is arranged at one end of the first infusion tube; the lower end of the pump body is provided with a liquid inlet, one end of the liquid inlet is provided with a second infusion tube, the lower end of the second infusion tube is provided with an acid extraction tube, one end of the acid extraction tube is provided with a liquid suction device, one side of the liquid suction device is inserted and provided with an acid liquid circulating device, the acid liquid circulating device comprises a barrel body, and the upper end of the barrel body is provided with a sealing door; the inner wall of the barrel body is provided with a fixed groove, the upper end of the fixed groove is provided with a fixed plate, one side of the fixed plate is provided with a shock-proof separating plate, one side of the shock-proof separating plate is provided with a connector, and one side of the connector is provided with a filter plate; one side of the barrel body is provided with an acid return device and a drain pipe.

Further, the filter plate is movably inserted into one side of the barrel body; a sealing ring is arranged on one side of the filter plate and is fixed on one side of the barrel body; the upper end of the sealing door is provided with a handle.

Further, one end of the filter plate is hemispherical; the centre of filter is provided with the recess, and the recess below is provided with the filtration pore.

Further, the barrel upper end is provided with exhaust emission device, and exhaust emission device includes the blast pipe, and the air discharge fan is connected to the one end of blast pipe, and the lower extreme of air discharge fan is provided with the support column, and the support column setting is on the barrel.

Further, the pickling device comprises a first connecting pipe, one end of the first connecting pipe is provided with a shell, an acid conveying pipe is arranged in the shell, and the acid conveying pipe is connected with the first connecting pipe; one end of the acid conveying pipe is movably connected with an acid liquid spray head; one end of the shell is provided with a connecting joint.

Further, the acid return device comprises an acid return pipe, one side of the acid return pipe is provided with an acid return joint, and the other side of the acid return pipe is inserted on the barrel body.

Further, the liquid suction device comprises a liquid suction pipe, a liquid suction joint is arranged on one side of the liquid suction pipe, and a filter screen is arranged on the outer side of the liquid suction joint.

The utility model has the beneficial effects that:

1. the utility model provides a pickling device which is ingenious in design and convenient to use, and can improve the flow rate of equipment by forming a pulsating gas-liquid mixed fluid before pickling, and simultaneously, the pulsation can enable floating scale or loose scale blocks on a pickling interface to rapidly fall off, so that pickling solution is saved.

2. The pneumatic diaphragm pump is not afraid of evacuating, and pump pressure loss caused by acid washing liquid return and gas carrying is eliminated; the acid can be directly extracted, and the unsafe phenomenon of acid addition is eliminated; the pressure of the movable diaphragm pump outlet is higher, and the addition of air into the pump outlet can not influence the normal operation of the pump, so that the well-mixed high-flow-rate gas-liquid mixed pulsating fluid can be obtained.

3. According to the utility model, the circulating tank is internally provided with the gas-liquid separation baffle plate, so that the liquid and gas entering the pump are reduced as much as possible, and the conveying efficiency of the pump is improved.

4. The filter plate and the sealing ring are convenient to detach, and waste residues in the acid liquor can be filtered.

Drawings

Fig. 1 is a front view of the structure of the present utility model.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is an enlarged schematic view of the pickling apparatus of fig. 1.

The text labels in the figures are expressed as: 1. a pneumatic diaphragm pump; 101. a pump body; 102. a liquid inlet; 103. a liquid outlet; 2. a first infusion tube; 3. a compressed air tube; 4. a second infusion tube; 5. an acid extraction pipe; 6. an acid liquor circulating device; 601. a tub body; 602. sealing the door; 603. a handle; 604. a fixing groove; 605. a fixing plate; 606. an anti-impact separating plate; 607, a step of selecting a specific cell; a connector; 608. a filter plate; 609. a seal ring; 7. an exhaust gas discharge device; 701. an exhaust pipe; 702. a support column; 703. an exhaust fan; 8. a liquid suction device; 801. a pipette; 802. a liquid suction joint; 803. a filter screen; 9. a blow-down pipe; 10. a pickling device; 1001. a first connection pipe; 1002. a housing; 1003. an acid conveying pipe; 1004. an acid liquid spray head; 1005. a connection joint; 11. acid return device; 1101. acid return pipe; 1102. acid return joint.

Detailed Description

In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.

Embodiment case 1:

as shown in fig. 1 to 3, the specific structure of the present utility model is: the pneumatic diaphragm pump 1 comprises a pump body 101, a liquid outlet 103 is formed in the upper end of the pump body 101, a first infusion tube 2 is arranged at one end of the liquid outlet 103, a compressed air tube 3 is arranged at the upper end of the first infusion tube 2, and an acid washing device 10 is arranged at one end of the first infusion tube 2; the lower end of the pump body 101 is provided with a liquid inlet 102, one end of the liquid inlet 102 is provided with a second infusion tube 4, the lower end of the second infusion tube 4 is provided with an acid extraction tube 5, one end of the acid extraction tube 5 is provided with a liquid suction device 8, one side of the liquid suction device 8 is inserted with an acid liquid circulating device 6, the acid liquid circulating device 6 comprises a barrel body 601, and the upper end of the barrel body 601 is provided with a sealing door 602; the inner wall of the barrel body 601 is provided with a fixed groove 604, the upper end of the fixed groove 604 is provided with a fixed plate 605, one side of the fixed plate 605 is provided with a shock-proof separating plate 606, one side of the shock-proof separating plate 606 is provided with a connector 607, and one side of the connector 607 is provided with a filter plate 608; one side of the barrel body 601 is provided with an acid return device 11 and a sewage drain pipe 9; the liquid suction device 8 comprises a liquid suction pipe 801, a liquid suction joint 802 is arranged on one side of the liquid suction pipe 801, and a filter screen 803 is arranged on the outer side of the liquid suction joint 802; the filter plate 608 is movably inserted into one side of the tub 601; a sealing ring 609 is arranged on one side of the filter plate 608, and the sealing ring 609 is fixed on one side of the barrel 601; the upper end of the sealing door 602 is provided with a handle 603; one end of the filter plate 608 is hemispherical; a groove is provided in the middle of the filter plate 608, and a filter hole is provided below the groove.

When the pneumatic diaphragm pump 1 is used, the second infusion tube 4 connected with the liquid inlet 102 is started to pump water in the barrel body 601, then the water is discharged into the first infusion tube 2 from the liquid outlet 103, compressed air is added into the compressed air tube 3 at the upper end of the first infusion tube 2 to form a pulse gas-liquid mixed fluid, the mixed fluid enters a runner of the heat exchanger from the pickling device 10 and finally enters the barrel body 601 through the acid return device 11, at the moment, the anti-flushing separation plate 606 enters the barrel body 601 from the opened sealing door 602, the fixing plate 605 at one end of the anti-flushing separation plate 606 is inserted into the fixing groove 604, the sealing ring 609 is opened, and the filter plate 608 is inserted into the connector 607 at one end of the anti-flushing separation plate 606; after the mixed fluid of the pulse gas and the liquid is used for removing most of the scale, the waste water is completely discharged from the sewage pipe 9, at the moment, the pneumatic diaphragm pump 1 is used for sucking acid liquor from the acid suction pipe 5, then the acid liquor is prevented from impacting by the anti-impact separation plate 606 in the circulation, the acid liquor is filtered from the filter plate 608, the sealing ring 609 is opened to take out the filter plate 608 for cleaning the impurities, and the acid liquor is recovered from the sewage pipe 9 after the acid cleaning is completed; the pulsating gas-liquid mixed fluid is formed before pickling, so that the internal flow of the equipment can be improved, and simultaneously, the pulsation can enable floating scale or loose scale blocks on a pickling interface to rapidly fall off, so that pickling solution is saved.

Embodiment case 2:

as shown in fig. 1, an exhaust gas discharge device 7 is disposed at the upper end of the tub 601, the exhaust gas discharge device 7 includes an exhaust pipe 701, one end of the exhaust pipe 701 is connected with an exhaust fan 703, a support column 702 is disposed at the lower end of the exhaust fan 703, and the support column 702 is disposed on the tub 601.

When in use, the exhaust fan 703 is opened, the exhaust gas in the barrel body 601 is extracted from the exhaust pipe 701, and the exhaust gas is introduced into the pollution treatment device for harmless treatment; realize the treatment of waste gas and improve the safety coefficient.

Embodiment 3:

as shown in fig. 1 and 3, the pickling device 10 includes a first connection pipe 1001, one end of the first connection pipe 1001 is provided with a housing 1002, an acid pipe 1003 is provided inside the housing 1002, and the acid pipe 1003 is connected with the first connection pipe 1001; one end of the acid conveying pipe 1003 is movably connected with an acid liquid spray head 1004; one end of the housing 1002 is provided with a connection joint 1005; the acid recycling device 11 comprises an acid recycling pipe 1101, one side of the acid recycling pipe 1101 is provided with an acid recycling connector 1102, and the other side of the acid recycling pipe 1101 is inserted into the barrel body 601.

When in use, the connecting joint 1005 is connected with the heat exchanger, acid liquor and mixed fluid enter the acid conveying pipe 1003 in the shell 1002 from the first connecting pipe 1001, then are sprayed out from the acid liquor spray head 1004, the acid return joint 1102 is connected with the heat exchanger, the acid liquor flows back from the acid return pipe 1101, and the connecting joint 1005 and the acid return joint 1102 are adjusted in size according to the actual condition of the heat exchanger.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this utility model, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the utility model, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.

Claims

1. The acid pickling device comprises a pneumatic diaphragm pump (1), and is characterized in that the pneumatic diaphragm pump (1) comprises a pump body (101), a liquid outlet (103) is formed in the upper end of the pump body (101), a first infusion tube (2) is arranged at one end of the liquid outlet (103), a compressed air tube (3) is arranged at the upper end of the first infusion tube (2), and an acid pickling device (10) is arranged at one end of the first infusion tube (2); the lower end of the pump body (101) is provided with a liquid inlet (102), one end of the liquid inlet (102) is provided with a second infusion tube (4), the lower end of the second infusion tube (4) is provided with an acid extraction tube (5), one end of the acid extraction tube (5) is provided with a liquid suction device (8), one side of the liquid suction device (8) is inserted and provided with an acid liquid circulating device (6), the acid liquid circulating device (6) comprises a barrel body (601), and the upper end of the barrel body (601) is provided with a sealing door (602); the inner wall of the barrel body (601) is provided with a fixed groove (604), the upper end of the fixed groove (604) is provided with a fixed plate (605), one side of the fixed plate (605) is provided with a shock-proof separating plate (606), one side of the shock-proof separating plate (606) is provided with a connector (607), and one side of the connector (607) is provided with a filter plate (608); one side of the barrel body (601) is provided with an acid return device (11) and a sewage discharge pipe (9).

2. A pickling device according to claim 1, characterized in that the filter plate (608) is movably inserted through one side of the tub (601); one side of the filter plate (608) is provided with a sealing ring (609), and the sealing ring (609) is fixed on one side of the barrel body (601); the upper end of the sealing door (602) is provided with a handle (603).

3. A pickling arrangement according to claim 2, characterized in that one end of the filter plate (608) is hemispherical; a groove is arranged in the middle of the filter plate (608), and a filter hole is arranged below the groove.

4. The pickling device according to claim 1, characterized in that an exhaust gas discharge device (7) is arranged at the upper end of the tank body (601), the exhaust gas discharge device (7) comprises an exhaust pipe (701), one end of the exhaust pipe (701) is connected with an exhaust fan (703), a support column (702) is arranged at the lower end of the exhaust fan (703), and the support column (702) is arranged on the tank body (601).

5. The pickling device according to claim 1, wherein the pickling device (10) comprises a first connecting pipe (1001), a shell (1002) is arranged at one end of the first connecting pipe (1001), an acid conveying pipe (1003) is arranged inside the shell (1002), and the acid conveying pipe (1003) is connected with the first connecting pipe (1001); one end of the acid conveying pipe (1003) is movably connected with an acid liquid spray head (1004); one end of the housing (1002) is provided with a connection joint (1005).

6. The pickling device according to claim 1, wherein the acid return device (11) comprises an acid return pipe (1101), an acid return joint (1102) is arranged on one side of the acid return pipe (1101), and the other side of the acid return pipe (1101) is inserted on the barrel body (601).

7. The pickling device according to claim 1, characterized in that the pipetting device (8) comprises a pipette (801), a pipette joint (802) is arranged on one side of the pipette (801), and a filter screen (803) is arranged on the outer side of the pipette joint (802).