CN210584243U - Low-heat steam total heat recovery dust removal and dehumidification separator - Google Patents
Low-heat steam total heat recovery dust removal and dehumidification separator Download PDFInfo
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- CN210584243U CN210584243U CN201921014940.0U CN201921014940U CN210584243U CN 210584243 U CN210584243 U CN 210584243U CN 201921014940 U CN201921014940 U CN 201921014940U CN 210584243 U CN210584243 U CN 210584243U
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Abstract
The utility model discloses a low-heat steam total heat recovery dust removal and dehumidification separating centrifuge, including dust collector and heat transfer device, dust collector passes through exhaust pipe and heat transfer device and switches on mutually, dust collector includes whirlwind dust removal portion and filter screen dust removal portion, filter screen dust removal portion is by whirlwind dust removal portion upper end downwardly extending to whirlwind dust removal portion inner, whirlwind dust removal portion includes cyclone, air intake and cyclone baffle, filter screen dust removal portion includes dust removal filter screen, filter screen dust remover, flange, sealing washer, fixing bolt and filter screen dust remover handle, heat transfer device includes air inlet air distribution board, heat transfer tubulation, baffling board, first heat exchanger air-out baffle, second heat exchanger air-out baffle and heat exchanger, the utility model discloses realize dust removal and dehumidification function, with the heat of low-heat steam all recovery simultaneously, get back to cyclic utilization in the sludge drying system again, energy saving consumption, The thermal efficiency is improved, the risk caused by dust is avoided, the service life of the equipment is prolonged, and the low-temperature sludge drying system is safer and more stable to operate.
Description
Technical Field
The utility model relates to a mud low temperature mummification technical field, concretely relates to low heat steam total heat recovery dust removal moisture separator.
Background
In the sludge heat drying process, moisture in the sludge forms low-heat steam to be discharged, fine particles in the sludge are converted into dust to be mixed in the low-heat steam due to mechanical operation, and volatile organic matters volatilized from the sludge cause the discharged low-heat steam to have certain peculiar smell, so that difficulty is caused for subsequent waste gas treatment, and even secondary pollution to the environment can be caused. The heat of the low-heat steam is difficult to be utilized, and energy waste is caused.
In the low-temperature dehumidification and drying process of the sludge, more fine particles in the sludge are converted into dust under the action of a large amount of circulating air and mixed in low-heat steam, and the dust enters a heat pump system to cause blockage, corrosion and damage; the heat transfer agent is attached to the surface of a heat exchanger, so that the problems of low heat transfer efficiency, equipment corrosion and the like are caused; build up in the system and risk of dust explosion. The prior art method is that the filter screen is arranged at the waste heat steam outlet, so that the harm of dust can be relieved, but the filter screen is frequently blocked and replaced, the maintenance and operation are difficult, and the normal operation of the equipment is influenced, so that a novel device capable of solving the problems needs to be designed by technical personnel in the field urgently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above problem, provide a low heat steam total heat recovery removes dust and dehumidifies separating centrifuge, realized the function of dust removal dehumidification, can get back to mud mummification system recycle again with the whole recoveries of the heat of low heat steam simultaneously, both energy saving and thermal efficiency improvement have avoided risk, extension equipment life that the dust caused again, make mud low temperature mummification system operation safer, stable.
In order to solve the problems, the utility model provides a low-heat steam total heat recovery dust removal and dehumidification separator, which comprises a dust removal device and a heat exchange device, wherein the dust removal device is communicated with the heat exchange device through an exhaust duct, the dust removal device comprises a cyclone dust removal part and a filter screen dust removal part, and the filter screen dust removal part extends downwards from the upper end of the cyclone dust removal part to the inner end of the cyclone dust removal part;
the cyclone dust removal part comprises a cyclone dust collector, an air inlet and a cyclone channel baffle, the inner wall of the cyclone dust collector is provided with the cyclone channel baffle, the inner wall of the cyclone dust collector and the cyclone channel baffle form a multilayer cyclone channel, and the side end of the cyclone dust collector is provided with the air inlet;
the filter screen dust removing part comprises a dust removing filter screen, a filter screen dust remover, a flange, a sealing ring, a fixing bolt and a filter screen dust remover handle, wherein the inner end of the filter screen dust remover is provided with the dust removing filter screen, the top end of the dust removing filter screen is provided with the filter screen dust remover handle, the upper end of the filter screen dust remover is sleeved with the adaptive flange, the sealing ring is arranged between the flange and the filter screen dust remover, and the filter screen dust remover is fixedly connected with the flange through the fixing bolt;
the heat exchange device comprises an air inlet air distribution plate, heat exchange tubes, a baffle plate, a first heat exchanger air outlet baffle plate, a second heat exchanger air outlet baffle plate and a heat exchanger, wherein the air inlet air distribution plate is installed at the front end of the inner side of the heat exchanger, the heat exchange tubes are installed in the middle of the inner end of the heat exchanger, at least two baffle plates which are vertically arranged are installed in the heat exchanger, a cooling water outlet and a cooling water inlet are installed at the upper end and the lower end of the heat exchanger respectively, at least two first heat exchanger air outlet baffle plates and at least two second heat exchanger air outlet baffle plates which are vertically arranged are installed at the rear end of the inner side of the heat exchanger, and a purified air exhaust.
Preferably, the cyclone dust removal part further comprises a discharge valve, a dust discharge port, a vibrator and an ash bucket, the bottom end of the cyclone dust remover is provided with the communicated ash bucket, the outer end of the ash bucket is fixedly provided with the vibrator, the bottom end of the ash bucket is provided with the dust discharge port, and the dust discharge port is provided with the discharge valve.
Preferably, the cyclone dust removing part is fixedly installed on the support bracket.
Preferably, a fixing flange is installed at the joint of the exhaust duct and the connecting duct of the heat exchange device.
Preferably, a condensed water outlet is formed in the bottom end of the heat exchanger, a condensed water outlet valve is installed at the condensed water outlet, and the condensed water outlet is communicated with a water seal.
Preferably, a filter screen dust removal support in a concave arrangement is welded at the inner end of the cyclone dust removal part, and the filter screen dust removal part is installed in a filter screen dust removal support groove and is arranged in an adaptive manner.
Adopt above-mentioned structure, its beneficial effect lies in:
(1) the utility model has high dust removal efficiency, adopts cyclone dust removal and filter screen dust removal, can remove 99 percent of dust, removes dust by a water curtain formed by condensed water in the heat exchanger, further removes dust, and has dust removal effect as high as 99.99 percent;
(2) the utility model has high heat exchange efficiency, and can efficiently realize the complete recovery of heat in waste heat steam by adopting the convection type tubular heat exchanger;
(3) the utility model has simple operation and maintenance, adopts the movable filter screen dust remover, can quickly realize the cleaning and replacement of the filter screen, and simplifies the operation flow;
(4) the utility model has good energy saving, can be completely recycled in the low-temperature sludge drying system due to the complete recovery of heat energy, greatly reduces the energy consumed by sludge drying, realizes the cyclic utilization of resources, realizes the development of green energy of resources, and has excellent environmental protection effect;
(5) the utility model discloses operation safety, stability adopt the supporting device that removes dust, dehumidifies, total heat recovery, guarantee that the air of emission is clean, dustless, guarantee the steady operation, the extension equipment life of key equipment such as follow-up heat pump, heat exchanger.
Drawings
Fig. 1 is a schematic structural view of the low-heat steam total heat recovery dust-removing and moisture-removing separator of the present invention.
FIG. 2 is a top view of a low heat steam total heat recovery dust removal moisture removal separator.
Fig. 3 is a schematic structural diagram of an air inlet and distribution plate of the heat exchange device.
Fig. 4 is a schematic structural diagram of a first heat exchanger air outlet baffle of the heat exchange device.
Fig. 5 is a schematic structural view of an air outlet baffle of a second heat exchanger of the heat exchange device.
In the figure: 1-a supporting bracket, 2-a discharge valve, 3-a dust discharge port, 4-a vibrator, 5-an ash bucket, 6-a cyclone dust collector, 7-a multilayer cyclone channel, 8-a dust removal filter screen, 9-a filter screen dust collector, 10-an air inlet, 11-a cyclone channel baffle, 12-a flange, 13-a sealing ring, 14-a fixing bolt, 15-a filter screen dust collector handle, 16-an exhaust duct, 17-a fixing flange, 18-an air inlet air distribution plate, 19-a heat exchange tube, 20-a cooling water outlet, 21-a baffle plate, 22-a first heat exchanger air outlet baffle plate, 23-a second heat exchanger air outlet baffle plate, 24-a purified air exhaust port, 25-a condensed water outlet valve, 26-a water seal and 27-a cooling water inlet, 28-heat exchanger, 29-filter screen dust removal support.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
A low-heat steam total heat recovery dust removal and dehumidification separator comprises a dust removal device and a heat exchange device, wherein the dust removal device is communicated with the heat exchange device through an exhaust pipeline 16 and comprises a cyclone dust removal part and a filter screen dust removal part, and the filter screen dust removal part extends downwards from the upper end of the cyclone dust removal part to the inner end of the cyclone dust removal part;
the cyclone dust removal part comprises a cyclone dust collector 6, an air inlet 10 and a cyclone channel baffle 11, the cyclone channel baffle 11 is arranged on the inner wall of the cyclone dust collector 6, the multilayer cyclone channel 7 formed by the inner wall of the cyclone dust collector 6 and the cyclone channel baffle 11 is provided, and the air inlet 10 is arranged at the side end of the cyclone dust collector 6;
the filter screen dust removing part comprises a dust removing filter screen 8, a filter screen dust remover 9, a flange 12, a sealing ring 13, a fixing bolt 14 and a filter screen dust remover handle 15, wherein the inner end of the filter screen dust remover 9 is provided with the dust removing filter screen 8, the top end of the dust removing filter screen 8 is provided with the filter screen dust remover handle 15, the upper end of the filter screen dust remover 9 is sleeved with the adaptive flange 12, the sealing ring 13 is arranged between the flange 12 and the filter screen dust remover 9, and the filter screen dust remover 9 and the flange 12 are fixedly connected through the fixing bolt 14;
the heat exchange device comprises an air inlet air distribution plate 18, a heat exchange tube array 19, a baffle plate 21, a first heat exchanger air outlet baffle plate 22, a second heat exchanger air outlet baffle plate 23 and a heat exchanger 28, the air inlet air distribution plate 18 is installed at the front end of the inner side of the heat exchanger 28, the heat exchange tube array 19 is installed at the middle part of the inner end of the heat exchanger 28, at least two baffle plates 21 which are arranged up and down are installed in the heat exchanger 28, a cooling water outlet 20 and a cooling water inlet 27 are installed at the upper end and the lower end of the heat exchanger 28 respectively, at least two first heat exchanger air outlet baffle plates 22 and two second heat exchanger air outlet baffle plates 23 which are arranged up and down are installed at the rear end of the inner side of the heat exchanger 28, and a.
The cyclone dust removal part further comprises a discharge valve 2, a dust discharge port 3, a vibrator 4 and an ash bucket 5, wherein the bottom end of the cyclone dust remover 6 is provided with the communicated ash bucket 5, the outer end of the ash bucket 5 is fixedly provided with the vibrator 4, the bottom end of the ash bucket 5 is provided with the dust discharge port 3, and the dust discharge port 3 is provided with the discharge valve 2.
The cyclone dust removal part is fixedly arranged on the support bracket 1, and a fixing flange 17 is arranged at the joint of the exhaust pipeline 16 and the connecting pipeline of the heat exchange device.
The bottom end of the heat exchanger 28 is provided with a condensed water outlet, the condensed water outlet is provided with a condensed water outlet valve 25, and the condensed water outlet is communicated with a water seal 26.
The inner end of the cyclone dust removal part is welded with a filter screen dust removal support 29 which is arranged in a concave mode, and the filter screen dust removal part is installed in a groove of the filter screen dust removal support 29 and is arranged in a matched mode.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention will be described in detail through specific use modes.
The low-heat steam total heat recovery dust removal and dehumidification separator consists of two parts: the dust removal device is combined with the filter screen dust removal part by the cyclone dust removal part, so that waste heat steam can be effectively removed to 99% of dust; the heat exchange device adopts a tubular heat exchange structure, and considering that waste heat steam after dust removal still contains a small amount of dust, an air inlet air distribution plate 18 is arranged at an inlet of the heat exchanger 28, and a first heat exchanger air outlet baffle 22 and a second heat exchanger air outlet baffle 23 are arranged above and below an outlet, so that 95% of water vapor in the waste heat steam is removed, energy is completely recovered, the dust is further removed, the discharged air is ensured to be clean and low in humidity, and favorable conditions are created for subsequent air recycling.
Waste heat steam generated in the low-temperature sludge drying process is conveyed to an air inlet 10 through a fan, a cyclone channel baffle 11 is arranged on the inner wall of a cyclone dust collector 6, a multilayer cyclone channel 7 formed by the inner wall of the cyclone dust collector 6 and the cyclone channel baffle 11 rotates and moves downwards along the multilayer cyclone channel 7, most of dust is deposited on the inner wall and the bottom of an ash bucket 5 under the action of inertia and gravity, the rest waste heat steam spirally moves upwards and is secondarily intercepted by a filter screen dust collector 9 to further remove the dust, 99% of the dust in the waste heat steam is separated and treated after cyclone dust collection and filter screen dust collection, and along with continuous accumulation of the dust in the ash bucket 7, in order to prevent the dust from being deposited on the inner wall of the ash bucket 7, a vibrator 4 is arranged at the bottom of the ash bucket 7, the vibrator 4 is started at regular time to shake the dust deposited on the inner wall of the ash bucket 7, automatically discharged through the dust discharge port 3 and the dust automatic discharge valve 2,
an exhaust pipeline 16 of the dust removal device is communicated with a connecting pipeline of the heat exchange device and is fixed by a fixing flange 17 and bolts, waste heat steam after dust removal enters a heat exchanger 28 through an exhaust outlet 16 by a dust remover, an air inlet air distribution plate 18 is arranged at the inlet of the heat exchanger 28, the waste heat steam uniformly passes through a heat exchange tube 19 tube pass by the air distribution plate 18, cooling water flows through a shell pass of the heat exchange tube 19, convection heat exchange is adopted between the tube pass and the shell pass of the heat exchange tube 19 to ensure that short flow of the cooling water does not occur, a baffle plate 21 is arranged in the heat exchanger 28, the cooling water flows through the baffle plate 21 arranged up and down from a cooling water inlet 27 at the bottom of the heat exchanger 28 and is discharged from a cooling water outlet 20, the cooling water absorbs heat in the waste heat steam and then enters a low-temperature system for cyclic utilization, the temperature of the waste heat steam is reduced after heat exchange, the water is discharged into a water seal 26 through a condensed water outlet, in order to further reduce the water vapor in the waste heat steam, a first heat exchanger air-out baffle 22 and a second heat exchanger air-out baffle 23 are arranged at the tail end of a heat exchanger 28, the water vapor in the waste heat steam collides with the first heat exchanger air-out baffle 22 and the second heat exchanger air-out baffle 23 under the action of gravity and inertia to form large water drops, and the large water drops and the purified air subjected to dust removal, dehumidification and total heat recovery are discharged through a purified air exhaust outlet 24 and enter a heat pump system for cyclic utilization, so that the safe and stable operation of subsequent equipment is ensured.
The washing needs to be demolishd after using a period of time to the dust removal filter screen 8 of filter screen dust remover 9, so the utility model discloses in be provided with quick replacement and wash the structure, during the dismantlement: firstly, the fixing bolt 14 is removed, the top flange 12 and the sealing ring 13 are taken away, then the filter screen dust remover handle 15 is taken up to take the filter screen dust remover 9 out of the filter screen dust remover support 29, and after the dust removal filter screen 8 is cleaned, the filter screen dust remover handle 15 is taken up to place the filter screen dust remover 9 in the filter screen dust remover support 29, so that the filter screen dust remover 9 can be recycled.
The foregoing is illustrative and explanatory of the invention and is not intended to limit the advantages attainable thereby, and it is within the scope of the present application to practice the invention with simple modifications to the structure and/or one or more of the advantages achieved in some embodiments.
Claims (6)
1. The low-heat steam total heat recovery dust removal and dehumidification separator is characterized by comprising a dust removal device and a heat exchange device, wherein the dust removal device is communicated with the heat exchange device through an exhaust pipeline (16), the dust removal device comprises a cyclone dust removal part and a filter screen dust removal part, and the filter screen dust removal part extends downwards from the upper end of the cyclone dust removal part to the inner end of the cyclone dust removal part;
the cyclone dust removal part comprises a cyclone dust collector (6), an air inlet (10) and a cyclone channel baffle (11), the cyclone channel baffle (11) is arranged on the inner wall of the cyclone dust collector (6), the inner wall of the cyclone dust collector (6) and the cyclone channel baffle (11) form a multilayer cyclone channel (7), and the air inlet (10) is formed in the side end of the cyclone dust collector (6);
the filter screen dust removing part comprises a dust removing filter screen (8), a filter screen dust remover (9), a flange (12), a sealing ring (13), a fixing bolt (14) and a filter screen dust remover handle (15), the dust removing filter screen (8) is installed at the inner end of the filter screen dust remover (9), the filter screen dust remover handle (15) is arranged at the top end of the dust removing filter screen (8), the flange (12) which is matched with the filter screen dust remover (9) is sleeved at the upper end of the filter screen dust remover (9), the sealing ring (13) is installed between the flange (12) and the filter screen dust remover (9), and the filter screen dust remover (9) is fixedly connected with the flange (12) through the fixing;
the heat exchange device comprises an air inlet and distribution plate (18), heat exchange tubes (19), a baffle plate (21), a first heat exchanger air outlet baffle plate (22), a second heat exchanger air outlet baffle plate (23) and a heat exchanger (28), the front end of the inner side of the heat exchanger (28) is provided with an air inlet and distribution plate (18), the middle part of the inner end of the heat exchanger (28) is provided with a heat exchange tube array (19), at least two baffle plates (21) which are respectively arranged up and down are arranged in the heat exchanger (28), the upper end and the lower end of the heat exchanger (28) are respectively provided with a cooling water outlet (20) and a cooling water inlet (27), the rear end of the inner side of the heat exchanger (28) is provided with at least two first heat exchanger air outlet baffles (22) and second heat exchanger air outlet baffles (23) which are respectively arranged up and down, the front end of the second heat exchanger air outlet baffle (23) is provided with a purified air outlet (24).
2. The low-heat steam total heat recovery dedusting and dehumidifying separator according to claim 1, wherein the cyclone dust removing part further comprises a discharge valve (2), a dust discharge port (3), a vibrator (4) and an ash bucket (5), the bottom end of the cyclone dust remover (6) is provided with the communicated ash bucket (5), the vibrator (4) is fixedly arranged at the outer end of the ash bucket (5), the dust discharge port (3) is arranged at the bottom end of the ash bucket (5), and the discharge valve (2) is arranged on the dust discharge port (3).
3. The low-heat steam total heat recovery dedusting and dehumidifying separator according to claim 1, wherein the cyclone dedusting part is fixedly mounted on the support bracket (1).
4. The low-heat steam total heat recovery dedusting and dehumidifying separator according to claim 1, wherein a fixing flange (17) is mounted at the joint of the exhaust duct (16) and the connecting duct of the heat exchange device.
5. The low-heat steam total heat recovery dedusting and dehumidifying separator according to claim 1, wherein a condensed water outlet is formed in the bottom end of the heat exchanger (28), a condensed water outlet valve (25) is installed at the condensed water outlet, and the condensed water outlet is communicated with a water seal (26).
6. The low-heat steam total heat recovery dedusting and dehumidifying separator as claimed in claim 1, wherein a filter screen dedusting bracket (29) is welded to the inner end of the cyclone dedusting part, and the filter screen dedusting part is installed in a groove of the filter screen dedusting bracket (29) and is in adaptive arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921014940.0U CN210584243U (en) | 2019-07-02 | 2019-07-02 | Low-heat steam total heat recovery dust removal and dehumidification separator |
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| CN201921014940.0U CN210584243U (en) | 2019-07-02 | 2019-07-02 | Low-heat steam total heat recovery dust removal and dehumidification separator |
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| CN210584243U true CN210584243U (en) | 2020-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215790A (en) * | 2019-07-02 | 2019-09-10 | 江苏康泰环保股份有限公司 | A kind of low-heat steam total heat recovery dedusting dehumidifying seperator |
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2019
- 2019-07-02 CN CN201921014940.0U patent/CN210584243U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215790A (en) * | 2019-07-02 | 2019-09-10 | 江苏康泰环保股份有限公司 | A kind of low-heat steam total heat recovery dedusting dehumidifying seperator |
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