CN210802143U - Graphite heat exchanger convenient to maintain - Google Patents
Graphite heat exchanger convenient to maintain Download PDFInfo
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- CN210802143U CN210802143U CN201921157509.1U CN201921157509U CN210802143U CN 210802143 U CN210802143 U CN 210802143U CN 201921157509 U CN201921157509 U CN 201921157509U CN 210802143 U CN210802143 U CN 210802143U
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Abstract
The utility model discloses a graphite heat exchanger convenient to maintain relates to graphite heat exchanger technical field. The utility model comprises a steel shell, wherein a cooling water inlet pipe and a first cooling water outlet pipe are respectively communicated with one surface of the steel shell; the upper end and the lower end of the steel shell are respectively provided with an upper seal head and a lower seal head; one end of the upper end enclosure is communicated with a feeding pipe; one end of the lower end enclosure is communicated with a first discharge pipe; a graphite heat exchange tube is communicated between the opposite surfaces of the upper and lower end enclosures; the side surface of the graphite heat exchange tube is connected with a baffle plate; one surface of the baffle is fixedly connected with the steel shell. The utility model discloses a design of the water valve of rivers switching-over pipe, material switching-over pipe and a plurality of collocation makes this heat exchanger advance under the prerequisite of managing and external cooling water delivery pipe position not changing the external material of being connected with graphite heat exchanger, can make the cooling water change in the inside flow direction of graphite heat exchanger and the inside flow direction of material at graphite heat exchanger fast through controlling corresponding valve and opening and shutting.
Description
Technical Field
The utility model belongs to the technical field of graphite heat exchanger, especially, relate to a graphite heat exchanger convenient to maintain.
Background
The graphite heat exchanger has excellent corrosion resistance and heat transfer performance, is used in the heat transfer process of corrosive media, can better play the superiority of graphite equipment, and is widely used for treating corrosive media such as hydrochloric acid, sulfuric acid, acetic acid, phosphoric acid and the like in order to save stainless steel and noble nonferrous metal materials.
The built-in lower tube plate type graphite heat exchanger is simple in structure, the utilization rate of graphite materials is high, equipment with a large heat transfer area can be manufactured, the cost of unit heat exchange area is lower than that of other structural forms, however, for the existing graphite heat exchanger, the feeding flow direction and the cooling water flow direction are always fixed structures, the fixed flow direction type structure is easy to cause serious corrosion or blockage of one side of a feeding pipe or a feeding pipe of the graphite heat exchanger, and the corrosion degree of one side of discharging water or discharging water is lower than that of the feeding pipe or the feeding part, so that the structure causes uneven damage inside the graphite heat exchanger, the long-term use of the graphite heat exchanger is not facilitated, if the material flow direction or the cooling water flow direction is required to be changed, a main supply pipe matched outside the graphite heat exchanger also needs to be subjected to position change, and the change process is.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a graphite heat exchanger convenient to maintain through the design of rivers switching-over pipe, material switching-over pipe, has solved current graphite heat exchanger and has used inside impaired inequality for a long time to be unfavorable for the problem that graphite heat exchanger used for a long time.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a graphite heat exchanger convenient for maintenance, which comprises a steel shell, wherein one surface of the steel shell is respectively communicated with a cooling water inlet pipe and a first cooling water outlet pipe; the upper end and the lower end of the steel shell are respectively provided with an upper seal head and a lower seal head; one end of the upper end enclosure is communicated with a feeding pipe; one end of the lower end socket is communicated with a first discharge pipe; a graphite heat exchange tube is communicated between the opposite surfaces of the upper and lower end sockets; the side surfaces of the graphite heat exchange tubes are connected with baffle plates; one surface of the baffling baffle is fixedly connected with the steel shell;
a water flow reversing pipe is communicated between the opposite surfaces of the cooling water inlet pipe and the first cooling water outlet pipe; a material reversing pipe is communicated between the opposite surfaces of the feeding pipe and the first discharging pipe; two first water valves are arranged on the peripheral side surface of the water flow reversing pipe; the peripheral side surfaces of the cooling water inlet pipe and the first cooling water outlet pipe are provided with second water valves; two third water valves are arranged on the peripheral side surface of the material reversing pipe; the peripheral side surfaces of the feeding pipe and the first discharging pipe are provided with fourth water valves; the peripheral side surface of the cooling water inlet pipe is communicated with a second cooling water outlet pipe; the side surface of the periphery of the feeding pipe is communicated with a second discharging pipe; fifth water valves are arranged on the peripheral side surfaces of the second cooling water outlet pipe and the second discharge pipe;
the side surfaces of the material reversing pipe are respectively communicated with a cleaning liquid inlet pipe and a cleaning liquid outlet pipe.
Furthermore, the peripheral sides of the cleaning liquid inlet pipe and the cleaning liquid outlet pipe are provided with sixth water valves.
Further, the peripheral side surface of the first discharge pipe is communicated with a discharge pipe; one end of the second discharge pipe is communicated with the discharge pipe; the peripheral side surface of the first cooling water outlet pipe is communicated with a drain pipe; and one end of the second cooling water outlet pipe is communicated with a drain pipe.
The utility model discloses following beneficial effect has:
1. the utility model discloses a design of the water valve of rivers switching-over pipe, material switching-over pipe and a plurality of collocation makes this heat exchanger advance under the prerequisite of managing and external cooling water delivery pipe position not changing the external material of being connected with graphite heat exchanger, can make the cooling water change in the inside flow direction of graphite heat exchanger and the inside flow direction of material at graphite heat exchanger fast through controlling corresponding valve and opening and shutting.
2. The utility model discloses a material and cooling water flow to quick replacement can solve the serious problem of traditional fixed flow direction formula graphite heat exchanger feed inlet unilateral corrosion on the one hand, and on the other hand can also play certain switching-over scouring action to the material of scale deposit after the switching-over, prolongs graphite heat exchanger's life then, reduces this graphite heat exchanger's cost of maintenance, and advances the design of pipe and washing liquid exit tube through the washing liquid, is convenient for to graphite heat exchanger's quick maintenance.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a graphite heat exchanger for easy maintenance;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a steel shell, 2-a cooling water inlet pipe, 3-a first cooling water outlet pipe, 4-an upper sealing head, 5-a lower sealing head, 6-a material inlet pipe, 7-a first material outlet pipe, 8-a graphite heat exchange pipe, 9-a deflection baffle, 10-a water flow reversing pipe, 11-a material reversing pipe, 12-a first water valve, 13-a second water valve, 14-a third water valve, 15-a fourth water valve, 16-a second cooling water outlet pipe, 17-a second material outlet pipe, 18-a fifth water valve, 19-a cleaning liquid inlet pipe, 20-a cleaning liquid outlet pipe and 21-a sixth water valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the utility model relates to a graphite heat exchanger convenient for maintenance, which comprises a steel shell 1, wherein a cooling water inlet pipe 2 and a first cooling water outlet pipe 3 are respectively communicated with one surface of the steel shell 1; the upper end and the lower end of the steel shell 1 are respectively provided with an upper seal head 4 and a lower seal head 5; one end of the upper end enclosure 4 is communicated with a feeding pipe 6; one end of the lower end enclosure 5 is communicated with a first discharge pipe 7; a graphite heat exchange tube 8 is communicated between the opposite surfaces of the upper and lower seal heads 5; the side surface of the graphite heat exchange tube 8 is connected with a baffle plate 9; one surface of the baffling baffle 9 is fixedly connected with the steel shell 1;
a water flow reversing pipe 10 is communicated between the opposite surfaces of the cooling water inlet pipe 2 and the first cooling water outlet pipe 3; a material reversing pipe 11 is communicated between the opposite surfaces of the feeding pipe 6 and the first discharging pipe 7; two first water valves 12 are arranged on the peripheral side surface of the water flow reversing pipe 10; the peripheral sides of the cooling water inlet pipe 2 and the first cooling water outlet pipe 3 are provided with second water valves 13; two third water valves 14 are arranged on the peripheral side surface of the material reversing pipe 11; the peripheral side surfaces of the feeding pipe 6 and the first discharging pipe 7 are respectively provided with a fourth water valve 15; a second cooling water outlet pipe 16 is communicated with the circumferential side surface of the cooling water inlet pipe 2; the peripheral side surface of the feeding pipe 6 is communicated with a second discharging pipe 17; the peripheral sides of the second cooling water outlet pipe 16 and the second discharge pipe 17 are provided with fifth water valves 18;
the peripheral side surface of the material reversing pipe 11 is respectively communicated with a cleaning liquid inlet pipe 19 and a cleaning liquid outlet pipe 20, the cleaning liquid inlet pipe 19 and the cleaning liquid outlet pipe 20 clean the graphite heat exchange pipe 8 through cleaning liquid, and cleaning water entering from the cleaning liquid inlet pipe 19 is high-pressure water.
Wherein, the peripheral sides of the cleaning liquid inlet pipe 19 and the cleaning liquid outlet pipe 20 are both provided with a sixth water valve 21.
Wherein, the peripheral side surface of the first discharge pipe 7 is communicated with a discharge pipe; one end of the second discharge pipe 17 is communicated with the discharge pipe; the peripheral side surface of the first cooling water outlet pipe 3 is communicated with a drain pipe; one end of the second cooling water outlet pipe 16 is communicated with a drain pipe.
One specific application of this embodiment is: compared with the traditional graphite heat exchanger, the graphite heat exchanger is characterized in that on the premise that the positions of an external material inlet pipe and an external cooling water supply pipe connected with the graphite heat exchanger are not changed, the flow direction of cooling water in the graphite heat exchanger and the flow direction of materials in the graphite heat exchanger can be manually and rapidly changed by controlling corresponding valves, the water valves used by the graphite heat exchanger can be manual valves or electric valves, in a normal mode, the second water valves 13 at the positions of the cooling water inlet pipe 2 and the first cooling water outlet pipe 3 are opened, the feed pipe 6 and the fourth water valve 15 outside the first discharge pipe 7 are opened, the other water valves are in a closed state, cooling water enters from the cooling water inlet pipe 2, cooling water after heat exchange exits from the first cooling water outlet pipe 16, materials enter from the feed pipe 6, and materials after heat exchange exit from the first discharge pipe 7;
when the flow direction of cooling water and the flow direction of materials need to be changed simultaneously, a second water valve 13 at a first cooling water outlet pipe 3 is opened, two first water valves 12 at a water flow reversing pipe 10, two third water valves 14 at a material reversing pipe 11, a second cooling water outlet pipe 16 and a fifth water valve 18 at a second discharge pipe 17 are closed, the rest water valves are closed, cooling water enters through the water flow reversing pipe 10 and then flows into the steel shell 1 through the first cold area water inlet pipe 3, the cooling water after heat exchange flows out through the second cooling water outlet pipe 16, materials enter through the material reversing pipe 11 and then enter the graphite heat exchange pipe 8, finally the materials after heat exchange flow out through the second discharge pipe 17, and through quick change of the flow direction of the materials and the cooling water, on one hand, the problem of serious corrosion at the single side of the feeding part of the traditional fixed flow direction type graphite heat exchanger can be solved, on the other hand, a certain washing effect on scaling substances can be realized after reversing, and then the maintenance cost of the graphite heat exchanger is reduced, meanwhile, the graphite heat exchanger is provided with a cleaning mechanism, when cleaning is needed, the sixth water valve 21 of the cleaning liquid inlet pipe 19 and the cleaning liquid outlet pipe 20 is opened, the fourth water valve 15 of the inlet pipe 6 is opened, and the rest water valves are closed, so that the device can quickly clean the graphite heat exchange pipe 8 through high-pressure cleaning liquid.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. A graphite heat exchanger convenient for maintenance comprises a steel shell (1), wherein one surface of the steel shell (1) is respectively communicated with a cooling water inlet pipe (2) and a first cooling water outlet pipe (3); the upper end and the lower end of the steel shell (1) are respectively provided with an upper seal head (4) and a lower seal head (5); one end of the upper end enclosure (4) is communicated with a feeding pipe (6); one end of the lower end enclosure (5) is communicated with a first discharge pipe (7); a graphite heat exchange tube (8) is communicated between the opposite surfaces of the lower end enclosure (5); the peripheral side surface of the graphite heat exchange tube (8) is connected with a baffling baffle (9); baffling baffle (9) a surface and steel casing (1) fixed connection, its characterized in that:
a water flow reversing pipe (10) is communicated between the opposite surfaces of the cooling water inlet pipe (2) and the first cooling water outlet pipe (3); a material reversing pipe (11) is communicated between the opposite surfaces of the feeding pipe (6) and the first discharging pipe (7); two first water valves (12) are arranged on the peripheral side surface of the water flow reversing pipe (10); the peripheral side surfaces of the cooling water inlet pipe (2) and the first cooling water outlet pipe (3) are respectively provided with a second water valve (13); two third water valves (14) are arranged on the peripheral side surface of the material reversing pipe (11); the peripheral side surfaces of the feeding pipe (6) and the first discharging pipe (7) are respectively provided with a fourth water valve (15); the peripheral side surface of the cooling water inlet pipe (2) is communicated with a second cooling water outlet pipe (16); the peripheral side surface of the feeding pipe (6) is communicated with a second discharging pipe (17); the peripheral side surfaces of the second cooling water outlet pipe (16) and the second discharging pipe (17) are respectively provided with a fifth water valve (18);
the peripheral side surface of the material reversing pipe (11) is respectively communicated with a cleaning liquid inlet pipe (19) and a cleaning liquid outlet pipe (20).
2. The graphite heat exchanger convenient for maintenance according to claim 1, characterized in that the peripheral sides of the cleaning solution inlet pipe (19) and the cleaning solution outlet pipe (20) are provided with sixth water valves (21).
3. The graphite heat exchanger convenient for maintenance according to claim 1, characterized in that the peripheral side of the first discharge pipe (7) is communicated with a discharge pipe; one end of the second discharge pipe (17) is communicated with the discharge pipe; the peripheral side surface of the first cooling water outlet pipe (3) is communicated with a drain pipe; one end of the second cooling water outlet pipe (16) is communicated with a drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921157509.1U CN210802143U (en) | 2019-07-23 | 2019-07-23 | Graphite heat exchanger convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921157509.1U CN210802143U (en) | 2019-07-23 | 2019-07-23 | Graphite heat exchanger convenient to maintain |
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| Publication Number | Publication Date |
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| CN210802143U true CN210802143U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921157509.1U Active CN210802143U (en) | 2019-07-23 | 2019-07-23 | Graphite heat exchanger convenient to maintain |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413654A (en) * | 2022-01-11 | 2022-04-29 | 山东晟博热能科技有限公司 | Tubular heat exchanger for energy recovery and heat exchange method thereof |
-
2019
- 2019-07-23 CN CN201921157509.1U patent/CN210802143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413654A (en) * | 2022-01-11 | 2022-04-29 | 山东晟博热能科技有限公司 | Tubular heat exchanger for energy recovery and heat exchange method thereof |
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