CN208998637U - A kind of plate-type heat exchanger slab apparatus for eliminating sludge - Google Patents
A kind of plate-type heat exchanger slab apparatus for eliminating sludge Download PDFInfo
- Publication number
- CN208998637U CN208998637U CN201821757446.9U CN201821757446U CN208998637U CN 208998637 U CN208998637 U CN 208998637U CN 201821757446 U CN201821757446 U CN 201821757446U CN 208998637 U CN208998637 U CN 208998637U
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- Prior art keywords
- heat exchanger
- plate
- shell
- eliminating sludge
- type heat
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010802 sludge Substances 0.000 title claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000003507 refrigerant Substances 0.000 claims description 8
- 239000003973 paint Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 abstract description 7
- 238000005554 pickling Methods 0.000 abstract description 5
- 230000000903 blocking Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003111 delayed Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005039 chemical industry Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a kind of plate-type heat exchanger slab apparatus for eliminating sludge, including shell, the interior of shell is equipped with heat exchanger plates, fixed link is installed in the middle part of the heat exchanger plates, scale removal plate is connected with by rotating seat outside the fixed link, the heat exchanger plates side is equipped with cleaning sprayer, shell side top offers heating agent entrance, the heating agent inlet internal is equipped with cartridge filter, the utility model is scientific and reasonable for structure, it is safe and convenient to use, it is provided with fixed link, scale removal plate and rotating seat, the dirt formed convenient for exchange hotplate surface carries out mechanical removal, solves the problems, such as traditional periodically pickling pollution environment and damage equipment, the heat transfer effect between heat exchanger plates is improved simultaneously, it is provided with cleaning sprayer, avoid the residual of impurity, improve the clean level of interior of shell environment, it is provided with cartridge filter, convenient for outer to entering Thermal medium inside shell carries out primary filtration, avoids a large amount of impurity in medium and enters inside heat exchanger.
Description
Technical field
The utility model relates to heat exchanger descaling equipment technical field, specially a kind of plate-type heat exchanger slab scale removal dress
It sets.
Background technique
Plate heat exchanger is a kind of high-efficiency heat exchanger of rapid proliferation in recent years, compared to traditional shell-and-tube heat exchanger, plate
Formula heat exchanger mainly has that heat transfer coefficient is high, logarithmic mean temperature difference (LMTD) is big, occupied area is small, light-weight, price is low, it is a variety of to can be achieved
It the advantages that media for heat exchange and malleable heat exchange area or path combination, has been obtained widely in industries such as electric power, heat supply and chemical industry
Using plate heat exchanger is a series of a kind of new and effective heat exchange as made of sheet metal closed assemblies with certain corrugated shape
Device forms thin rectangular shape channel between various plates, after plate heat exchanger generates scale, so that heat transfer efficiency declines, circulating water flow
Logical area becomes smaller, and circulating resistance increase increases considerably so as to cause the operation energy consumption of whole system, and heat exchange cost increases, not only
The waste that thermal energy is caused to user, influences economic benefit, returns maintenance and maintenance brings many difficulties, but existing scale removal fills
It sets in the presence of when being dismantled to plate, pickling need to be carried out piecewise, it is troublesome in poeration, and be easy to pollute the environment and exchange hot plate
Damage, the waterway channel of plate heat exchanger is relatively narrow, is not easy to be purged dirt more substantially, be easy to happen blocking and not
Primary filtration can be carried out to the impurity contained in medium, impurity, which is easily accessible inside heat exchanger, forms dirt, influences heat exchanger and changes
The problem of thermal effect, so we are to these situations, to avoid above-mentioned technical problem, it is necessory to provide a kind of plate heat exchanger
Plate apparatus for eliminating sludge is to overcome the defect in the prior art.
Utility model content
The purpose of this utility model is to provide a kind of plate-type heat exchanger slab apparatus for eliminating sludge, to solve above-mentioned background technique
The existing apparatus for eliminating sludge of middle proposition need to carry out pickling in the presence of when dismantling to plate piecewise, troublesome in poeration, and be easy to ring
Border pollutes and exchanges hot plate and damages, and the waterway channel of plate heat exchanger is relatively narrow, is not easy to carry out dirt more substantially
It removes, be easy to happen blocking and primary filtration cannot be carried out to the impurity contained in medium, impurity is easily accessible inside heat exchanger
The problem of forming dirt, influencing heat exchanger heat transfer effect.
To achieve the above object, the utility model provides the following technical solutions: a kind of plate-type heat exchanger slab apparatus for eliminating sludge,
Including shell, shell side top offers heating agent entrance, and shell side bottom end offers refrigerant inlet, described outer
Shell bottom end two sides pass through fixture nut and are equipped with support leg, and the shell center bottom offers discharge outlet, in the shell
Portion is equipped with heat exchanger plates, and the heat exchanger plates side is equipped with high-pressure water pipe, and described high-pressure water pipe one end offers water inlet, described
Booster pump is installed, the high-pressure water pipe side is equipped with cleaning sprayer, is equipped with inside the heat exchanger plates inside high-pressure water pipe
Fixed link, the fixed link outside are connected with slide bar by rotating seat, and the slide bar bottom end slidably connects scale removal by slide
Plate, scale removal board bottom end are connected with hairbrush by fixture nut, and the input terminal and alternating current of the booster pump are electrically connected.
Preferably, cartridge filter is installed, the cartridge filter top is equipped with filter plate, the filter plate inside the refrigerant inlet
Inside offers through-hole, and the filter plate side is equipped with handle.
Preferably, the scale removal plate and slide junction are equipped with compressed spring.
Preferably, it is connected between the cartridge filter and heating agent entrance by fixture nut.
Preferably, the quantity of the scale removal plate is two.
Preferably, the outer casing inner wall is coated with antirust paint, and is covered with protecting film on the outside of antirust paint.
The prior art is compared, the beneficial effects of the utility model are: the utility model is scientific and reasonable for structure, uses secure side
Just:
1, it is provided with slide bar, rotating seat, scale removal plate and slide, is revolved in fixed link by rotating seat band moving slide-bar
Turn, and drive scale removal plate to be moved on slide bar by slide, is carried out convenient for the dirt that exchange hotplate surface is formed mechanical clear
It removes, solves the problems, such as traditional periodically pickling pollution environment and damage equipment, while by the removing between dirt plate, improving
Heat transfer effect between heat exchanger plates.
2, it is provided with cleaning sprayer, booster pump and high-pressure water pipe, water flow is entered inside high-pressure water pipe by water inlet, and
By booster pump increase cleaning sprayer water flow impact force, water route is relatively narrow between solving heat exchanger, large volume of dirt be not easy into
The problem of row is removed, and blocking is be easy to cause, while convenient for the impurity after interior of shell scale removal is carried out cleaning down, it avoids miscellaneous
The residual of matter improves the clean level of interior of shell environment.
3, it is provided with cartridge filter, filter plate and through-hole, thermal medium is entered inside cartridge filter by the through-hole of filter plate, by filtering
Cylinder carries out primary filtration to the thermal medium for entering interior of shell, avoids a large amount of impurity in medium and enters in heat exchanger
Portion, the time for having delayed dirt to be formed, while convenient for cartridge filter is dismantled and cleaned, it is easy to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the mounting structure schematic diagram of the utility model heat exchanger plates；
Fig. 3 is the structural schematic diagram of the installation of the utility model scale removal plate；
Fig. 4 is the mounting structure schematic diagram of the utility model cartridge filter；
In figure: 1, shell；2, heating agent entrance；3, refrigerant inlet；4, support leg；5, discharge outlet；6, heat exchanger plates；7, it intakes
Mouthful；8, booster pump；9, high-pressure water pipe；10, cleaning sprayer；11, fixed link；12, rotating seat；13, slide bar；14, scale removal plate；15,
Slide；16, hairbrush；17, cartridge filter；18, filter plate；19, through-hole；20, handle.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution, a kind of plate-type heat exchanger slab apparatus for eliminating sludge, packet
Shell 1 is included, in order to improve the Corrosion Protection of 1 inner wall of shell, avoids 1 inner wall of shell from being corroded when long-time uses, prolongs
The actual life of long shell 1,1 inner wall of shell is coated with antirust paint, and is covered with protecting film, shell 1 one on the outside of antirust paint
Side top offers heating agent entrance 2, and 1 side bottom end of shell offers refrigerant inlet 3, and 1 bottom end two sides of shell pass through fixed spiral shell
Mother is equipped with support leg 4, and 1 center bottom of shell offers discharge outlet 5, and heat exchanger plates 6,6 side of heat exchanger plates are equipped with inside shell 1
High-pressure water pipe 9 is installed, 9 one end of high-pressure water pipe offers water inlet 7, and booster pump 8, booster pump 8 are equipped with inside high-pressure water pipe 9
Model GPD25-8S, 9 side of high-pressure water pipe are equipped with cleaning sprayer 10, fixed link 11, fixed link are equipped with inside heat exchanger plates 6
11 outsides are connected with slide bar 13 by rotating seat 12, and 13 bottom end of slide bar slidably connects scale removal plate 14 by slide 15, in order to just
It is buffered in scale removal plate 14, avoids 14 surge of scale removal plate excessive, cause the abrasion of heat exchanger plates 14, while can be to dirt
Dirt carries out strength removing, carries out dirt removal for the ease of exchanging the upper and lower ends of hot plate 6, the quantity of scale removal plate 14 is two
A, scale removal plate 14 and 15 junction of slide are equipped with compressed spring, and 14 bottom end of scale removal plate is connected with hairbrush 16 by fixture nut,
The input terminal and alternating current of booster pump 8 are electrically connected.
Medium for the ease of entering to refrigerant inlet 3 carries out primary filtration, avoids the impurity heap at heat exchanger plates 6 for a long time
Product forms dirt, influences the heat transfer effect of heat exchanger plates 6, while convenient for carrying out disassembly, cleaning, refrigerant to the cartridge filter 17 after collection
Cartridge filter 17 is installed, 17 top of cartridge filter is equipped with filter plate 18, through-hole 19, filter plate are offered inside filter plate 18 inside entrance 3
18 sides are equipped with handle 20.
The working principle and process for using of the utility model: in the process using a kind of plate-type heat exchanger slab apparatus for eliminating sludge
In, firstly, entering shell 1 by 17 pairs of cartridge filter after thermal medium enters 17 inside of cartridge filter by the through-hole 19 of filter plate 18
Internal thermal medium carries out primary filtration, avoids a large amount of impurity in medium and enters inside heat exchanger, has delayed dirt
The time of formation, while cartridge filter 17 is dismantled and cleaned convenient for handle 20, it is easy to use, it is driven and is slided by rotating seat 12
Bar 13 is rotated in fixed link 11, and drives scale removal plate 14 to be moved on slide bar by slide 15, and by hairbrush 16
It is contacted with dirt, the dirt formed convenient for exchange 6 surface of hot plate carries out mechanical removal, solves traditional periodically pickling pollution
The problem of environment and damage equipment, while by the removing between dirt plate, the heat transfer effect between heat exchanger plates is improved, then
Water flow is entered inside high-pressure water pipe 9 by water inlet 7, and increases the impact force of 10 water flow of cleaning sprayer by booster pump 8, is solved
Heat exchanger plates 6 water routes are relatively narrow, and large volume of dirt is not easy the problem of being purged, be easy to causeing blocking, while convenient for will
Impurity after 1 inside scale removal of shell carries out cleaning down, and is discharged by discharge outlet 5, avoids the residual of impurity, improves
The clean level of 1 internal environment of shell is carried and is fixed to shell 1 finally by support leg 4.
Finally, it should be noted that being not limited to this reality the foregoing is merely the preferred embodiment of the utility model
With novel, although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of plate-type heat exchanger slab apparatus for eliminating sludge, including shell (1), it is characterised in that: open on shell (1) the side top
Equipped with heating agent entrance (2), shell (1) the side bottom end is offered refrigerant inlet (3), and shell (1) the bottom end two sides are logical
It crosses fixture nut to be equipped with support leg (4), shell (1) center bottom offers discharge outlet (5), and the shell (1) is internal
It is equipped with heat exchanger plates (6), heat exchanger plates (6) side is equipped with high-pressure water pipe (9), and described high-pressure water pipe (9) one end offers
Water inlet (7), the high-pressure water pipe (9) is internal to be equipped with booster pump (8), and high-pressure water pipe (9) side is equipped with cleaning spray
Head (10), the heat exchanger plates (6) are internal to be equipped with fixed link (11), is connected outside the fixed link (11) by rotating seat (12)
Have slide bar (13), slide bar (13) bottom end is slidably connected scale removal plate (14) by slide (15), scale removal plate (14) bottom
End is connected with hairbrush (16) by fixture nut, and the input terminal and alternating current of the booster pump (8) are electrically connected.
2. a kind of plate-type heat exchanger slab apparatus for eliminating sludge according to claim 1, it is characterised in that: the refrigerant inlet
(3) internal to be equipped with cartridge filter (17), cartridge filter (17) top is equipped with filter plate (18), is opened up inside the filter plate (18)
Have through-hole (19), filter plate (18) side is equipped with handle (20).
3. a kind of plate-type heat exchanger slab apparatus for eliminating sludge according to claim 1, it is characterised in that: the scale removal plate (14)
Compressed spring is installed with slide (15) junction.
4. a kind of plate-type heat exchanger slab apparatus for eliminating sludge according to claim 2, it is characterised in that: the cartridge filter (17)
It is connect between heating agent entrance (2) by fixture nut.
5. a kind of plate-type heat exchanger slab apparatus for eliminating sludge according to claim 1, it is characterised in that: the scale removal plate (14)
Quantity be two.
6. a kind of plate-type heat exchanger slab apparatus for eliminating sludge according to claim 1, it is characterised in that: in the shell (1)
Wall is coated with antirust paint, and is covered with protecting film on the outside of antirust paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821757446.9U CN208998637U (en) | 2018-10-29 | 2018-10-29 | A kind of plate-type heat exchanger slab apparatus for eliminating sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821757446.9U CN208998637U (en) | 2018-10-29 | 2018-10-29 | A kind of plate-type heat exchanger slab apparatus for eliminating sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208998637U true CN208998637U (en) | 2019-06-18 |
Family
ID=66804832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821757446.9U Expired - Fee Related CN208998637U (en) | 2018-10-29 | 2018-10-29 | A kind of plate-type heat exchanger slab apparatus for eliminating sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208998637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023873A (en) * | 2019-12-28 | 2020-04-17 | 合肥宽信机电有限公司 | Horizontal condensing heat exchanger |
-
2018
- 2018-10-29 CN CN201821757446.9U patent/CN208998637U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023873A (en) * | 2019-12-28 | 2020-04-17 | 合肥宽信机电有限公司 | Horizontal condensing heat exchanger |
| CN111023873B (en) * | 2019-12-28 | 2020-12-25 | 合肥宽信机电有限公司 | Horizontal condensing heat exchanger |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 Termination date: 20191029 |