CN213984016U

CN213984016U - Half-volume water heater capable of improving heat exchange efficiency

Info

Publication number: CN213984016U
Application number: CN202021745659.7U
Authority: CN
Inventors: 丁磊; 陈立飞; 陈永锋; 顾之绅
Original assignee: Zhejiang Hangte Container Co ltd
Current assignee: Zhejiang Hangte Container Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-08-17
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses an intelligent constant temperature sterile heat exchanger, which comprises a tank body, an outlet arranged on the tank body, a shell arranged in the tank body, a heat exchange tube bundle arranged in the shell, and a water inlet and a water outlet arranged on the shell; at least one partition is arranged in the shell and divides the shell into at least a first cavity and a second cavity which are communicated with each other; a plurality of first baffle plates are arranged in the first cavity, and a plurality of second baffle plates are arranged in the second cavity. The utility model discloses a setting of separator has divided into first cavity and second cavity in the casing, secondly through the crisscross setting of first baffling board and second baffling board again, has prolonged the route of flowing through of water for hot water flows out after the multichannel baffling, and hot water and heat exchanger tube bank contact number of times increase, and water improves to the absorption heat of heat.

Description

Half-volume water heater capable of improving heat exchange efficiency

Technical Field

The utility model belongs to the technical field of the heat exchanger, especially, relate to an improve heat exchange efficiency's half positive displacement water heater.

Background

The semi-positive displacement heat exchanger is a device which utilizes a heat exchange element to heat cold water in a shell to the service temperature of domestic water and then directly outputs the cold water for use, is used as civil or industrial equipment, is widely applied to occasions such as hotels, restaurants, schools, laundries, ships and the like, and is used as an important component of a hot water supply system.

At present, current heat exchanger gets into from the water inlet by water usually, carries out the water heating through the heating pipe, and the water after the heating flows out by the outlet pipe again, and this outlet pipe is located jar internal portion, and the mouth of pipe sets up down, and when water heated through the heat exchanger, water directly flowed from the delivery port after the heat exchanger heating, and water is shorter with heat exchanger contact time, has leaded to the water heating effect relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a half positive displacement water heater who improves heat exchange efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a semi-positive displacement water heater for improving heat exchange efficiency comprises a tank body, an outlet arranged on the tank body, a shell arranged in the tank body, a heat exchange tube bundle arranged in the shell, and a water inlet and a water outlet arranged on the shell; at least one partition is arranged in the shell and divides the shell into at least a first cavity and a second cavity which are communicated with each other; a plurality of first baffle plates are arranged in the first cavity, and a plurality of second baffle plates are arranged in the second cavity. The utility model discloses a setting of separator, divide the casing for first cavity and second cavity, at this moment water gets into from the water inlet, rivers are through first cavity through the second cavity, flow from the delivery port at last, make hot water multichannel baffling back flow, thereby it is longer to make the time that water stayed in the casing, guaranteed more abundant to the water heating, secondly through the setting of first baffling board and second baffling board again, make the more way extension of water flow in the casing, water doubles the absorption heat of heat, the heating effect is better.

Furthermore, the first baffle plate and the second baffle plate are arranged in a staggered mode at even intervals along the length direction of the separating piece. Through the even crisscross setting in interval for first baffle and second baffle are double-deck, carry out double-deck heating to water, make water when flowing, can flow through a plurality of punishment of buckling, make to hydrothermal velocity of flow slow down, can contact many times with heat exchanger tube bank, and hot water absorbs the heat more, and the hot water heating effect is higher.

Furthermore, the plurality of first baffle plates and the plurality of second baffle plates are respectively provided with a long rod in a penetrating way; the long rod is used for fixing the first baffle plates and the second baffle plates, so that the fixing of the positions of the heat exchange tube bundles is guaranteed, the movement of the heat exchange tube bundles which cannot move left and right is guaranteed, the intermittence between every two heat exchange tubes is guaranteed to be uniform due to the fixing of the positions of the heat exchange tube bundles, the water flowing through the gaps is uniform, and the water heating effect is better.

Further, the bottom of the tank body is provided with an inlet which is communicated with the water outlet through a connecting pipe. Through the import of bottom, when hot water flowed out from the delivery port, advance the connecting pipe, the import department of flowing through at last, the import sets up again and jar body bottom intercommunication, has guaranteed that jar internal portion has whole hot water of depositing, has guaranteed that jar internal portion does not have the stagnant water district of cold temperature, has reached that heat exchange efficiency is higher, lower energy-conservation more, when no cold water is detained simultaneously for jar internal utilization ratio reaches one hundred percent.

Further, the connecting pipe can be arranged outside the tank body; make when assembling equipment, more convenient installs equipment, reduced artifical input cost, break down when equipment, when needing to maintain, can directly maintain equipment outside again, more convenient during the maintenance is convenient.

Further, the connecting pipe can be arranged inside the tank body. Can make water directly flow from the delivery port, need not contact the influence of the temperature of external environment, and jar internal portion has the temperature again, when hot water flows from the outlet pipe, through the connecting pipe, has guaranteed that the temperature loss in the connecting pipe can not be great, reduces the loss of heat energy, establishes the connecting pipe inside simultaneously for whole equipment is more pleasing to the eye.

Furthermore, a flow guide and stabilizer for realizing the stable delivery of water flow into the tank body is arranged on the inlet. Through the setting of water conservancy diversion current regulator, hot water flows from the import, and water conservancy diversion current regulator sprays outward again at last, and hot water can flow in to jar body bottom with mild velocity of flow under the effect of water conservancy diversion current regulator, and can be in jar body bottom at the at utmost disperse for hot water distributes more evenly, further avoids jar the condition of the difference in temperature to appear in body bottom, improves volume utilization.

To sum up the utility model has the advantages of it is following: the utility model discloses a setting of separator has divided into first cavity and second cavity in the casing, secondly through the crisscross setting of first baffling board and second baffling board again, has prolonged the route of flowing through of water for hot water flows out after the multichannel baffling, and hot water and heat exchanger tube bank contact number of times increase, and water improves to the absorption heat of heat.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a heat exchange tube bundle in the present invention.

Fig. 4 is a schematic structural diagram of a heat exchange tube bundle in the present invention.

Fig. 5 is an enlarged schematic view of the structure at a in fig. 3.

Fig. 6 is a schematic structural view of the partition, the first baffle, and the second baffle of the present invention.

Detailed Description

As shown in fig. 1-6, a semi-positive displacement water heater for improving heat exchange efficiency comprises a tank body 1, an outlet 2, a shell 6, a heat exchange tube bundle 7, a water inlet 60 and a water outlet 61; the outlet 2 is arranged at the upper part of the tank body 1, and an outlet pipe 21 is fixedly connected to the outlet 2; the shell 6 is arranged inside the tank body 1; the heat exchange tube bundle 7 is arranged in the shell 6; the water inlet 60 is arranged at the upper end of the shell 6, and a water inlet pipe 601 is fixedly connected to the water inlet 60; the water outlet 61 is arranged at the lower end of the shell 6, and the water outlet 61 is fixedly connected with a water outlet pipe 611.

Specifically, at least one partition 62 is arranged in the housing 6, and through the arrangement of the partition, the water flow path inside the housing is prolonged, so that the heating effect of hot water is better, and the partition 62 divides the housing 6 into at least a first chamber 63 and a second chamber 64 which are communicated with each other; the water outlet 61 is communicated with the first chamber 63, and the water inlet 60 is communicated with the second chamber 64; a first baffle plate 701 is arranged in the first cavity 63, and a second baffle plate 702 is arranged in the second cavity 64; bundle 7 is distributed within first chamber 63 and second chamber 64.

Specifically, the number of the first baffle plates 701 is multiple, the number of the first baffle plates 701 can be selected according to specific conditions, the first baffle plates are metal plates, the metal plates have excellent wear resistance, high temperature resistance and corrosion resistance, are easy to clean, have prolonged service life, can not emit peculiar smell, are more environment-friendly, and improve the quality of hot water heating; the number of the second baffle plates 702 is a plurality, the number of the second baffle plates 702 can be selected according to specific conditions, the second baffle plates 702 are metal plates, a part of a semicircular plate is cut off to form the second baffle plates 702, and the second baffle plates 702 in the second chamber are fixedly connected with the lower end surface 62 of the separating part; first baffle 701 and second baffle 702 are along the even crisscross setting in separator 62 length direction interval, make water when flowing through adopting the even crisscross setting in interval, can flow through a plurality of punishment of buckling for slow down hydrothermal velocity of flow, can contact many times with heat exchange tube bank, hot water absorbs the heat more, and the hot water heating effect is higher.

Specifically, the plurality of first baffle plates 701 and the plurality of second baffle plates 702 are respectively provided with a long rod 7022 in a penetrating manner; a plurality of small grooves 7021 are formed in the first deflector 701 and the second deflector 702 respectively, the small grooves 7021 are circumferentially distributed along the first deflector 701 and the second deflector 702, and the long rods 7022 are inserted into the small grooves 7021 respectively and fixedly connected; through adopting first baffler and second baffler to make and to hydrothermal route extension, the route increases with heat exchanger tube bank contact number of times when prolonging more for the water absorbs the heat more high-efficiently, secondly through the setting of microgroove, fixes a plurality of first bafflers and second baffler again, prevents the removal of heat exchange tube, and further assurance the clearance between the heat exchange tube is even, and the hot water volume in the inflow clearance is always, and is abundant carry out high-efficient heating to water.

Specifically, 1 bottom of the jar body is equipped with import 3, and jar body bottom is located in the import, and hot water gets into jar body and upwards carries by jar body bottommost position, has guaranteed that jar internal portion is whole to have deposited hot water, has guaranteed that jar internal portion does not have the stagnant water district of cold temperature, and it is higher to have reached heat exchange efficiency, and more low power consumption is energy-conserving, when no cold water is detained simultaneously for jar internal portion utilization ratio reaches hundred percent, reduces the stagnant water simultaneously and stops in jar internal portion, avoids the problem that bacterial growing. A flow guide and stabilizer is fixedly connected to the inlet 3 and used for realizing the stable delivery of water flow into the tank body, the flow guide and stabilizer can adopt a water distributor purchased from the market, hot water can flow into the bottom of the tank body at a gentle flow speed under the action of the flow guide and stabilizer and can be dispersed at the bottom of the tank body to the maximum extent, so that the hot water is distributed more uniformly, the temperature difference at the bottom of the tank body is further avoided, and the volume utilization rate is improved; further, the inlet 3 is communicated with the water outlet 61 through a connecting pipe 8; the connecting pipe 8 is a metal pipeline, can be arranged into one section, and can also be arranged into a plurality of sections which are detachably connected, the connecting pipe is arranged into one section, so that the connecting pipe is more convenient to process and mount, the cost is reduced, the connecting pipe is connected by the plurality of sections, when the connecting pipe at a certain part is damaged, only the connecting pipe in the damaged area needs to be replaced, and meanwhile, the size is reduced and the connecting pipe is more convenient in the packaging or transportation process; with this embodiment, connecting pipe 8 is located jar body 1 outsidely, when assembling equipment, more convenient to equipment installation, has reduced artifical input cost, breaks down when equipment, when needing to maintain, can directly maintain equipment outside again, and more convenient is convenient during the maintenance, with other embodiments, connecting pipe 8 also can set up in jar body 1 insidely, can make water directly flow from the delivery port, need not contact the influence of the temperature of external environment, and jar internal portion has the temperature again, when hot water flows from the outlet pipe, through the connecting pipe, has guaranteed that the temperature loss in the connecting pipe can not be great, reduces the loss of heat energy, establishes the connecting pipe inside simultaneously for whole equipment is more pleasing to the eye.

Specifically, the heat exchange tube bundle 7 is composed of a plurality of heat exchange tubes 711, the number of the heat exchange tubes 711 can be selected according to specific conditions, a plurality of small holes 721 are respectively formed in the first baffle plate 701 and the second baffle plate 702, the heat exchange tubes 711 are arranged on the small holes 721 in a penetrating manner, and the small holes 721 can strengthen the fixation of the heat exchange tubes and prevent the dislocation or movement of the heat exchange tubes; specifically, the heat exchange tube 711 has a U-shaped structure; and preferably, as shown in fig. 3-5, the heat exchange tube 711 has a corrugated section 70, and the corrugated section 70 is disposed on the horizontal tube of the heat exchange tube 711, and in other embodiments, the horizontal tube of the heat exchange tube may be directly disposed as a straight tube without providing a corrugated end; specifically, ripple section 70 is a plurality of spherical protrusions 71, and a plurality of spherical protrusions 71 evenly set up along heat exchange tube 711 length direction, and spherical protrusion is when receiving the difference in temperature influence, can make heat exchange tube bank produce the flexible deformation of micro circumference, makes the incrustation scale of attaching to on the heat exchange tube inner wall break and drops automatically, and simultaneously when tensile, can produce certain vibrations to water, realizes the promotion of heating effect, and this spherical protrusion 71 passes through the mode shaping of physiosis, and the fashioned in-process of physiosis makes the heat exchange tube wall thickness of shaping out even.

Specifically, one end of the shell 6 is provided with an opening, and the end is connected with a housing 65 through a flange, so that the disassembly is more convenient due to the flange connection, the strength of the connection part is high, and the sealing performance is good; a pipe plate 66 is arranged at the joint of the shell 6 and the housing 65, the pipe plate 66 is in a disc shape, a plurality of through holes 661 are uniformly arranged on the pipe plate 66 at intervals, the number of the through holes 661 is equal to that of the heat exchange pipes, the through holes 661 correspond to one another, and the end parts of the heat exchange pipes are fixedly connected with the through holes 661; the head end of the spacer 62 abuts or is fixedly attached to the tube sheet 66.

Specifically, a heating medium inlet 67 and a heating medium outlet 68 are formed in the housing 65, the housing 65 is divided into an upper chamber 651 and a lower chamber 671, the heating medium can flow along a certain track through the arrangement of the upper chamber and the lower chamber, the heating medium inlet 67 can be better connected with the upper chamber 651 in heat exchange with hot water, and the heating medium outlet 68 is connected with the lower chamber 671.

The working process is as follows: cold water enters the second chamber 64 from the water inlet 60, exchanges heat with the heat exchange tube 711 in the second chamber 64, flows to the first chamber 63 through the opening on the partition 62, exchanges heat with the heat exchange tube 711 in the first chamber 63, and finally flows out from the water outlet 61, is conveyed to the inlet through the connecting tube 8, is sprayed into the tank body 1 through the flow guide and flow stabilizer 4, and is conveyed from the bottom to the upper part of the tank body 1 and finally flows out from the outlet 2.

Claims

1. A semi-volume type water heater for improving heat exchange efficiency comprises a tank body (1), an outlet (2) arranged on the tank body (1), a shell (6) arranged in the tank body (1), a heat exchange tube bundle (7) arranged in the shell (6), a water inlet (60) and a water outlet (61) arranged on the shell (6); the method is characterized in that: the shell (6) is internally provided with at least one partition (62), the partition (62) at least divides the shell (6) into a first chamber (63) and a second chamber (64) which are communicated, the water outlet (61) is communicated with the first chamber (63), and the water inlet (60) is communicated with the second chamber (64); a plurality of first baffle plates (701) are arranged in the first cavity (63), and a plurality of second baffle plates (702) are arranged in the second cavity (64).

2. The semi-positive displacement water heater for improving heat exchange efficiency of claim 1, wherein: the first baffle plates (701) and the second baffle plates (702) are arranged in a staggered mode at even intervals along the length direction of the separating piece (62).

3. The semi-positive displacement water heater for improving heat exchange efficiency of claim 1, wherein: the plurality of first baffle plates (701) and the plurality of second baffle plates (702) are respectively provided with a long rod (7022) in a penetrating way.

4. The semi-positive displacement water heater for improving heat exchange efficiency of claim 1, wherein: the bottom of the tank body (1) is provided with an inlet (3), and the inlet (3) is communicated with the water outlet (61) through a connecting pipe (8).

5. The semi-positive displacement water heater for improving heat exchange efficiency of claim 4, wherein: and a flow guide and stabilizer (4) for realizing the stable delivery of water flow into the tank body is arranged on the inlet (3).

6. The semi-positive displacement water heater for improving heat exchange efficiency of claim 1, wherein: an opening (621) for communicating the first chamber (63) with the second chamber (64) is formed in the partition (62).

7. The half-volume water heater for improving heat exchange efficiency according to claim 1, wherein the heat exchange tube bundle (7) is distributed in the first chamber (63) and the second chamber (64).

8. The semi-positive displacement water heater for improving heat exchange efficiency of claim 4, wherein: the connecting pipe (8) is arranged inside the tank body (1).

9. The semi-positive displacement water heater for improving heat exchange efficiency of claim 4, wherein: the connecting pipe (8) is arranged outside the tank body (1).