CN209990623U - Reciprocating pump - Google Patents
Reciprocating pump Download PDFInfo
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- CN209990623U CN209990623U CN201920361629.7U CN201920361629U CN209990623U CN 209990623 U CN209990623 U CN 209990623U CN 201920361629 U CN201920361629 U CN 201920361629U CN 209990623 U CN209990623 U CN 209990623U
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Abstract
The utility model relates to a reciprocating pump in the technical field of fluid conveying, the technical scheme main points of the utility model are a reciprocating pump, which comprises a base, a power end arranged on the base, a sealing box arranged on one side of the power end and a hydraulic end arranged on the side of the sealing box far away from the power end, wherein the outer side of the hydraulic end is provided with a heat preservation jacket, a first opening and a second opening; when the reciprocating pump uses, let in the heat preservation intracavity with the heat medium from first trompil, when the reciprocating pump begins to carry the high melting point medium, the heat of heat medium will be absorbed in the high melting point medium admission valve case, discharged from the second trompil after the heat medium temperature of heat absorbed in the heat preservation intracavity is dropped, new heat medium enters into the heat preservation chamber from first trompil again, so, reciprocal constantly, thereby guarantee that the temperature of high melting point medium can not descend and keep the high melting point medium in the liquid state.
Description
Technical Field
The utility model belongs to the technical field of fluid conveying's technique and specifically relates to a reciprocating pump is related to.
Background
The reciprocating pump belongs to a positive displacement pump, which converts the rotation motion of a prime motor into the reciprocating motion of a plunger, and realizes the transmission of liquid by changing the volume of a working cylinder through the reciprocating motion of the plunger. The reciprocating pump is suitable for conveying high-pressure head, small-flow and high-viscosity media, and the range of the conveyed media is too small.
In order to solve the above problems, the chinese patent publication No. CN204827838U discloses a reciprocating pump, which has the technical essential points that: the hydraulic end comprises a cylinder body, a liquid inlet valve is arranged at the upper part of the cylinder body, a liquid outlet valve is arranged at the lower part of the cylinder body, a guide pipe is arranged at one side of the cylinder body, a plunger is arranged in the guide pipe, a sealing filler cavity is arranged between the plunger and the guide pipe, sealing filler is arranged in the sealing filler cavity, a filler opening communicated with the sealing filler cavity is arranged above the guide pipe, a buckle cover is arranged on the filler opening, and plugging covers are arranged at the end part of the guide pipe and the opening part of the sealing filler cavity; a sealing flange is arranged on the other side of the cylinder body opposite to the guide pipe, and a flange nut is arranged on the sealing flange; the power end comprises a shell, and the shell comprises a driving cavity and a transmission rod channel; a crankshaft connected with a motor shaft is arranged in the driving cavity, the crankshaft is connected with a transmission rod through a connecting rod, a crosshead is arranged at the end part of the transmission rod, and the connecting rod is connected to the crosshead; a sealing partition is arranged between the driving cavity and the transmission rod channel, an inlet and an outlet are formed in the middle of the sealing partition, the transmission rod is arranged in the inlet and the outlet, a sealing pressing sleeve is arranged between the transmission rod and the inlet and the outlet of the sealing partition, a water pushing plate is arranged at the front end of the transmission rod, and the front end of the transmission rod is connected with one end, not located in the cylinder body, of the plunger.
When the plunger moves from left to right, the volume inside the cylinder body is increased, the pressure is reduced, and when the pressure of the entering liquid is greater than the pressure in the cylinder body, the liquid enters the cylinder body by opening the liquid inlet valve under the action of the pressure difference. After the crankshaft has rotated 180 degrees, the piston moves to the left. Since the liquid is not very water compressible, the liquid is immediately compressed by the piston and the pressure rises rapidly, raising the pressure in the cylinder. When the liquid pressure in the cylinder body is large enough to open the liquid outlet valve, the liquid is discharged from the liquid outlet valve, the scheme solves the problem that the reciprocating pump has a small medium conveying range, and can convey slurry and concrete.
However, when the reciprocating pump is used for conveying a medium with a higher melting point, the temperature of the medium needs to be ensured to be higher than the melting point of the medium, so that the medium can be conveyed through the reciprocating pump only when the medium is kept in a liquid state, and therefore, the heat preservation needs to be carried out on a pump cavity through which the medium flows.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reciprocating pump, it has the advantage that can carry high melting point medium.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a reciprocating pump, includes the base, sets up power end and the seal box of setting in power end one side on the base, still including setting up the hydraulic end that keeps away from the power end side at the seal box, the hydraulic end outside is provided with heat preservation clamp cover, first trompil and second trompil, heat preservation clamp cover establish in the hydraulic end the outside and with the hydraulic end between be formed with the heat preservation chamber, first trompil and second trompil all set up on the heat preservation clamp cover and with heat preservation chamber intercommunication.
Through adopting above-mentioned technical scheme, let in the heat preservation intracavity with the heat medium from first trompil, the heat medium can be with heat transfer to the conch wall of valve box, when reciprocating pump begins to carry the high melting point medium, the high melting point medium gets into and will absorb the heat from the conch wall of valve box in the valve box after, in order to guarantee that the temperature of medium self is higher than self melting point all the time, thereby make this high melting point medium can normal transport, will follow the second trompil and discharge after the heat medium temperature of absorbed heat descends in the heat preservation intracavity, new heat medium enters into the heat preservation chamber from first trompil again, so, it is reciprocal incessant, guarantee that the temperature of high melting point medium can not descend to be less than self melting point, thereby keep the high melting point medium in liquid state, reach the purpose that this reciprocating pump can attribute high melting point medium.
The utility model discloses further set up to: the cooling jacket is sleeved on the outer side of the sealing box, a cooling cavity is formed between the cooling jacket and the sealing box, and the cooling water inlet and the cooling water outlet are both arranged on the cooling jacket and communicated with the cooling cavity.
Through adopting above-mentioned technical scheme, let in the cooling chamber from the cooling water inlet port with the cooling water, in order to lower the temperature to the seal box, when the reciprocating pump is carrying high melting point medium, when the temperature of high melting point medium itself and the temperature transfer of heat medium to the seal box, the heat that gives off the seal box department can be absorbed to the cooling water, discharge from the cooling water exhaustport after the cooling water temperature risees, so, it is reciprocal continuous, guarantee that the power end of the difficult transmission of heat to the reciprocating pump, make the lubricating oil in the power end be difficult for taking place the carbon deposit, be difficult for causing the damage of reciprocating pump like this.
The utility model discloses further set up to: the inner wall of the cooling jacket is provided with a baffle plate which divides the cooling cavity into two parts, and the baffle plate is provided with an opening communicated with the cooling cavity.
Through adopting above-mentioned technical scheme, after cooling water flowed through the cooling water inlet port and entered into the cooling chamber, cooling water can be preferred earlier to fill one side in cooling chamber, then along with the continuous pouring into of cooling water, after the water level exceeded the trompil, cooling water can flow into the cooling chamber opposite side to fill the opposite side of cavity, increased the contact time of cooling water and seal box like this, makeed the cooling effect better.
The utility model discloses further set up to: the cooling water discharging port is connected with a water tank, a cooling device is arranged in the water tank, the bottom of the water tank is connected with a cooling water inlet through a water inlet pipe, and a water suction pump used for pumping water in the water tank into the cooling cavity is arranged on the water inlet pipe.
Through adopting above-mentioned technical scheme, behind the cooling water that the temperature rose passed through the drain pipe discharge to the water tank from the cooling water exhalant department, cooling device cooled down the cooling water that the temperature rose, then pours into the cooling chamber into again with the cooling water that the temperature reduces through the suction pump, realized the recycling of cooling water, practiced thrift the water resource.
The utility model discloses further set up to: the cooling device includes a fan disposed in the water tank.
Through adopting above-mentioned technical scheme, the cooling water that the temperature rose discharges to the water tank after from the cooling water exhalant port for the fan blows to the cooling water, cools down with the cooling water to the temperature rise.
The utility model discloses further set up to: the water tank is provided with a heat dissipation plate along the vertical direction, and the water outlet end of the water inlet pipe is positioned right above the heat dissipation plate.
Through adopting above-mentioned technical scheme, the cooling water that the temperature risees is back in following delivery port discharge to the water tank, when trickling to the bottom of water tank along the heating panel that vertical direction set up, and the fan can continuously cool down the cooling water that the temperature risees simultaneously, and can form the wind chamber between heating panel and the box lateral wall to increase the wind speed, carried out the reposition of redundant personnel to the cooling water simultaneously, improved cooling efficiency.
The utility model discloses further set up to: the cross section of the heat dissipation plate along the horizontal direction is wavy.
By adopting the technical scheme, when the cooling water with increased temperature flows down along the heat dissipation plate, the wave-shaped heat dissipation plate increases the contact area between the cooling water with increased temperature and the heat dissipation plate and the contact area between the wind blown out by the fan and the water, thereby improving the cooling efficiency.
The utility model discloses further set up to: the heating panel is provided with a plurality ofly, a plurality ofly the heating panel is parallel to each other.
Through adopting above-mentioned technical scheme, increased the quantity of heating panel, the area of contact of the cooling water that the temperature increased and heating panel also can increase, area of contact between the wind that the fan blew off and the water also can increase simultaneously, can form littleer wind chamber between the heating panel moreover for cooling efficiency is higher.
To sum up, the utility model discloses a beneficial technological effect does:
1. the reciprocating pump can safely convey high-melting point media;
2. the cooling jacket is used for cooling the power end, so that the lubricating oil in the power end is not easy to deposit carbon, and the damage to the reciprocating pump is avoided;
3. the recycling of the cooling water is realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a sectional view a-a in fig. 1.
Fig. 3 is a sectional view B-B of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a reciprocating pump, including base 1, the power end 2 of setting on base 1, set up seal box 3 in power end 2 one side and set up the hydraulic end 4 of keeping away from power end 2 side at seal box 3, wherein, the cover is equipped with heat preservation clamp cover 41 outside hydraulic end 4, and is formed with heat preservation chamber 44 between heat preservation clamp cover 41 and the hydraulic end 4, has seted up first trompil 42 and second trompil 43 on the heat preservation clamp cover 41, and first trompil 42 and second trompil 43 all communicate with heat preservation chamber 44. In this embodiment, the thermal insulation sleeve 41 is cylindrical, the first opening 42 and the second opening 43 are both circular and have the same diameter, the first opening 42 is disposed on one side of the thermal insulation sleeve 41 away from the base 1 for introducing steam, and the second opening 43 is disposed on one side of the thermal insulation sleeve 41 close to the base 1 for discharging steam.
Referring to fig. 1 and 2, a cooling jacket 31 is sleeved on the sealed box 3, a cooling cavity 33 is formed between the cooling jacket 31 and the sealed box 3, a cooling water inlet 32 and a cooling water outlet 33 are arranged on the cooling jacket 31, wherein the cooling water inlet 32 and the cooling water outlet 33 are both communicated with the cooling cavity 34, a baffle 35 for dividing the cooling cavity 34 into two parts is fixedly arranged on the inner wall of the cooling jacket 31, in the embodiment, the cooling jacket 31 is in a horizontal cylindrical shape, the baffle 35 is in a circular ring shape and is arranged in the middle of the cooling cavity 34, the center line of the baffle 35 is overlapped with the center line of the cooling jacket 31, a through hole 351 communicated with the cooling cavity 34 is arranged on one side of the baffle 35 away from the base 1 along the direction of the center line of the sealed box 3, and the cooling water inlet 32 and the cooling water outlet 33 are; in the present embodiment, the cooling water inlet port 32 and the cooling water discharge port 33 have the same shape as the first opening 42 and the second opening 43, the cooling water inlet port 32 is provided on the side of the cooling jacket 31 close to the base 1, and the cooling water outlet port 33 is provided on the side of the cooling jacket 31 away from the base 1.
Referring to fig. 1 and 3, the cooling water discharge port 33 is connected to the water tank 5 through a water discharge pipe 52, a fan 54 is disposed on an inner wall of a top of the water tank 5, a plurality of radiating fins 56 are disposed at a bottom of the water tank 5 in parallel and vertically, a cross section of each radiating fin 56 in a horizontal direction is wavy, the bottom of the water tank 5 is connected to the cooling water inlet port 32 through a water inlet pipe 51, and a water suction pump 53 for pumping water in the water tank 5 into the cooling chamber 34 is disposed on the water inlet pipe 51. In this embodiment, the water tank 5 is rectangular, and the top wall of the water tank 5 is provided with a plurality of circular cooling ports 55 to facilitate heat dissipation.
The implementation principle of the embodiment is as follows: before the reciprocating pump is started, cooling water is firstly introduced into the cooling cavity 34 through the cooling water inlet 32, when the cooling water is filled in the cooling cavity 34 and overflows from the cooling water outlet 33, a heating medium is introduced into the heat preservation cavity 44 from the first opening 42, when the heat preservation cavity 44 is filled with the heating medium and overflows from the second opening 43, the reciprocating pump is started to convey a high-melting-point medium, at the moment, the heat preservation jacket 4 can ensure that the temperature of the high-melting-point medium cannot be reduced to be lower than the self melting point, so that the high-melting-point medium is kept in a liquid state, the cooling cavity 34 can cool the power end 2, the lubricating oil in the power end 2 is not easy to generate carbon deposition, and the damage of the reciprocating pump; when the temperature of the cooling water rises after absorbing heat, the cooling water is discharged from the water outlet end of the water inlet pipe 51 through the cooling water discharge port 33, the cooling water with the increased temperature flows into the water tank 5 along the wave-shaped heat dissipation plate 43, in the process, the cooling water is continuously cooled by the fan 54, and the cooled cooling water is sucked into the water inlet pipe 51 by the water suction pump 53 and enters the cooling cavity 34 again from the cooling water inlet port 32.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a reciprocating pump, includes base (1), sets up power end (2) on base (1) and sets up seal box (3) in power end (2) one side, its characterized in that: the heat preservation device is characterized by further comprising a hydraulic end (4) arranged on the side, far away from the power end (2), of the sealing box (3), wherein a heat preservation jacket (41), a first opening (42) and a second opening (43) are arranged on the outer side of the hydraulic end (4), the heat preservation jacket (41) is sleeved on the outer side of the hydraulic end (4) and is provided with a heat preservation cavity (44) between the hydraulic end (4), and the first opening (42) and the second opening (43) are both arranged on the heat preservation jacket (41) and are communicated with the heat preservation cavity (44).
2. The reciprocating pump of claim 1, wherein: the sealing box (3) is provided with a cooling jacket (31), a cooling water inlet (32) and a cooling water outlet (33), the cooling jacket (31) is sleeved on the outer side of the sealing box (3) and forms a cooling cavity (34) with the sealing box (3), and the cooling water inlet (32) and the cooling water outlet (33) are both arranged on the cooling jacket (31) and communicated with the cooling cavity (34).
3. The reciprocating pump of claim 2, wherein: the inner wall of the cooling jacket (31) is provided with a baffle (35) which divides the cooling cavity (34) into two parts, and the baffle (35) is provided with a through hole (351) communicated with the cooling cavity (34).
4. The reciprocating pump of claim 2, wherein the cooling water outlet (33) is communicated with a water tank (5) through a drain pipe (52), a cooling device is arranged in the water tank (5), the bottom of the water tank (5) is connected with the cooling water inlet (32) through a water inlet pipe (51), and a water suction pump (53) for pumping water in the water tank (5) into the cooling cavity (34) is arranged on the water inlet pipe (51).
5. The reciprocating pump of claim 4, wherein the cooling device comprises a fan (54), and the fan (54) is arranged in the water tank (5) and is positioned above the water outlet end of the water outlet pipe (52).
6. The reciprocating pump of claim 4, wherein a heat dissipation plate (56) is provided in the water tank (5) in a vertical direction, and the outlet end of the water discharge pipe (52) is positioned right above the heat dissipation plate (56).
7. The reciprocating pump of claim 6, wherein: the heat dissipation plate (56) has a wave-shaped cross section in the horizontal direction.
8. The reciprocating pump of claim 6, wherein: the heat dissipation plates (56) are provided in plurality, and the plurality of heat dissipation plates (56) are arranged in parallel with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920361629.7U CN209990623U (en) | 2019-03-20 | 2019-03-20 | Reciprocating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920361629.7U CN209990623U (en) | 2019-03-20 | 2019-03-20 | Reciprocating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990623U true CN209990623U (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920361629.7U Active CN209990623U (en) | 2019-03-20 | 2019-03-20 | Reciprocating pump |
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| Country | Link |
|---|---|
| CN (1) | CN209990623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982905A (en) * | 2021-10-30 | 2022-01-28 | 宁波钱湖石油设备有限公司 | Reciprocating pump |
-
2019
- 2019-03-20 CN CN201920361629.7U patent/CN209990623U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982905A (en) * | 2021-10-30 | 2022-01-28 | 宁波钱湖石油设备有限公司 | Reciprocating pump |
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